CN106017861B - A kind of device that wave simulated waves - Google Patents
A kind of device that wave simulated waves Download PDFInfo
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- CN106017861B CN106017861B CN201610576700.4A CN201610576700A CN106017861B CN 106017861 B CN106017861 B CN 106017861B CN 201610576700 A CN201610576700 A CN 201610576700A CN 106017861 B CN106017861 B CN 106017861B
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Abstract
本发明公开了一种模拟海浪摇摆的装置，用于对待测试的海面稳定平台的稳定性进行试验，包括可变速电机、传动装置、正弦运动机构、基座和传动带；可变速电机、传动装置、正弦运动机构均设置在基座上，可变速电机与传动装置通过传动带相连，提供动力输入，正弦运动机构一端与传动装置连接，另一端固定在待测试的海面稳定平台底部。本发明能模拟海浪的摇摆运动，调节曲柄的长度可以改变摇摆运动的幅值；改变电机的转速能够调节运动的频率；操作简单，占地空间小，适用于海面稳定平台的室内稳定性试验。
The invention discloses a device for simulating sea wave swaying, which is used for testing the stability of a sea surface stabilization platform to be tested, comprising a variable speed motor, a transmission device, a sinusoidal motion mechanism, a base and a transmission belt; a variable speed motor, a transmission device, The sinusoidal motion mechanism is arranged on the base, and the variable speed motor is connected to the transmission device through a transmission belt to provide power input. One end of the sinusoidal motion mechanism is connected to the transmission device, and the other end is fixed at the bottom of the sea surface stabilization platform to be tested. The invention can simulate the rocking motion of sea waves, and the amplitude of the rocking motion can be changed by adjusting the length of the crank; the frequency of the motion can be adjusted by changing the rotating speed of the motor; the operation is simple, the floor space is small, and it is suitable for the indoor stability test of the sea surface stabilization platform.
Description
技术领域technical field
本发明涉及海洋稳定平台测试领域，具体涉及一种模拟海浪摇摆的装置。The invention relates to the field of ocean stability platform testing, in particular to a device for simulating sea wave swings.
背景技术Background technique
在海洋技术领域，人们一般通过模型试验确定舰船和各种海洋结构物在波浪中的运动特性。为此需要提供能模拟实际海浪的扰动输入。目前主要的实验方法是利用造波机制造人工波浪。这种方法虽然能模拟规则波和不规则波，精确度较高，但其所需设备较多，受场地限制较多，成本较高。对于室内等一些小型场地的模型试验并不适用。In the field of marine technology, people generally determine the motion characteristics of ships and various marine structures in waves through model tests. To this end, it is necessary to provide a disturbance input that can simulate actual ocean waves. At present, the main experimental method is to use a wave maker to create artificial waves. Although this method can simulate regular waves and irregular waves with high accuracy, it requires more equipment, is more limited by the site, and costs more. It is not suitable for model tests in some small venues such as indoors.
中国专利2013205391708设计了一种海浪模拟装置，包括可变速电机和正弦运动机构，正弦运动机构与水池一段的推板相连，水池中设置有水循环装置。通过可变速电机和正弦运动机构的配合，在带有弯道的水池中产生足够的动力推动水的运动产生波浪。其装置通过弯道的设计，模拟出较逼真的海浪；同时利用水循环装置，实现了对水的循环利用，节约资源。但其占地面积较大，且操作较为复杂。Chinese patent 2013205391708 designs a sea wave simulation device, which includes a variable speed motor and a sinusoidal motion mechanism. The sinusoidal motion mechanism is connected with a push plate in the first section of the pool, and a water circulation device is arranged in the pool. Through the cooperation of the variable speed motor and the sinusoidal motion mechanism, enough power is generated in the pool with curves to push the movement of water to generate waves. The device simulates more realistic sea waves through the design of the curve; at the same time, the water circulation device is used to realize the recycling of water and save resources. However, it occupies a larger area and is more complicated to operate.
发明内容Contents of the invention
本发明的目的在于提供一种模拟海浪摇摆的装置，为了解决海面稳定平台的室内测试问题。The object of the present invention is to provide a device for simulating wave swings, in order to solve the problem of indoor testing of sea surface stabilization platforms.
实现本发明目的的技术解决方案为：一种模拟海浪摇摆的装置，用于对待测试的海面稳定平台的稳定性进行试验，包括可变速电机、传动装置、正弦运动机构、基座和传动带；可变速电机、传动装置、正弦运动机构均设置在基座上，可变速电机与传动装置通过传动带相连，提供动力输入，正弦运动机构一端与传动装置连接，另一端固定在待测试的海面稳定平台底部。The technical solution to realize the object of the present invention is: a device for simulating sea wave swaying, used for testing the stability of the sea surface stabilization platform to be tested, including variable speed motor, transmission device, sinusoidal motion mechanism, base and transmission belt; The variable speed motor, transmission device and sinusoidal motion mechanism are all set on the base, and the variable speed motor is connected with the transmission device through a transmission belt to provide power input. One end of the sinusoidal motion mechanism is connected to the transmission device, and the other end is fixed at the bottom of the sea surface stability platform to be tested .
所述传动装置包括回转轮、传动轴和传动固定架；传动轴一端通过平键与回转轮固连，另一端穿过传动固定架与正弦运动机构相连接，且所述传动轴通过轴套与传动固定架转动连接；所述可变速电机的输出轴上设有转轮，回转轮通过传动带与可变速电机的转轮连接。The transmission device includes a rotary wheel, a transmission shaft and a transmission fixed frame; one end of the transmission shaft is fixedly connected to the rotary wheel through a flat key, and the other end is connected to the sinusoidal motion mechanism through the transmission fixed frame, and the transmission shaft passes through the shaft The sleeve is rotatably connected with the transmission fixing frame; the output shaft of the variable speed motor is provided with a running wheel, and the rotary wheel is connected with the running wheel of the variable speed motor through a transmission belt.
所述正弦运动机构包括曲柄和连杆；曲柄上开有U型孔和键孔，所述U型孔和键孔中心轴线重合，曲柄的键孔与传动轴通过平键连接，连杆一端设置在U型孔中，沿U型孔滑动，另一端与待测试的海面稳定平台底部相连。The sine motion mechanism includes a crank and a connecting rod; the crank is provided with a U-shaped hole and a keyhole, the central axes of the U-shaped hole and the keyhole coincide, the keyhole of the crank is connected with the transmission shaft through a flat key, and one end of the connecting rod is arranged in the U-shaped hole , slide along the U-shaped hole, and the other end is connected to the bottom of the sea surface stabilization platform to be tested.
所述基座包括平台固定架、托架、托板和支撑架；两个相互平行的支撑架分别固定在地面上，两个支撑架任意一侧设有托架，托板固定在托架上，且紧靠两个支撑架，平台固定架设置在两个支撑架顶部，通过转动轴承分别与两个支撑架连接，使得平台固定架与传动轴同向转动，可变速电机和传动装置均设置在托板上。The base includes a platform fixing frame, a bracket, a supporting plate and a supporting frame; two mutually parallel supporting frames are respectively fixed on the ground, and a bracket is arranged on either side of the two supporting frames, and the supporting plate is fixed on the bracket , and close to the two supporting frames, the platform fixing frame is set on the top of the two supporting frames, and is respectively connected with the two supporting frames through the rotating bearing, so that the platform fixing frame and the transmission shaft rotate in the same direction, and the variable speed motor and the transmission device are both set on the pallet.
所述平台固定架中心设有圆孔，待测试的海面稳定平台设置在所述圆孔内，与平台固定架刚性连接。A round hole is provided in the center of the platform fixing frame, and the sea surface stabilization platform to be tested is set in the round hole and is rigidly connected with the platform fixing frame.
本发明与现有技术相比，其显著优点在于：Compared with the prior art, the present invention has significant advantages in that:
（1）整体结构简单，操作容易，占地面积小，适用于室内的海面稳定平台稳定性测试试验。(1) The overall structure is simple, easy to operate, and occupies a small area. It is suitable for indoor stability testing of sea surface stabilization platforms.
（2）采用正弦运动机构，将电机的转动转化为作用于稳定平台的摇摆运动，能实现平台相对于竖直轴的对称摇摆。(2) The sinusoidal motion mechanism is used to convert the rotation of the motor into a swing motion acting on the stable platform, which can realize the symmetrical swing of the platform relative to the vertical axis.
（3）调节电机的转速可以达到改变平台摇摆频率的目的。(3) Adjusting the rotation speed of the motor can achieve the purpose of changing the swing frequency of the platform.
（4）曲柄长度可变，而连杆长度不变，调节曲柄长度能改变平台摇摆运动的幅值。(4) The length of the crank is variable, but the length of the connecting rod is constant. Adjusting the length of the crank can change the amplitude of the swing motion of the platform.
附图说明Description of drawings
图1为本发明一种模拟海浪摇摆的装置的整体结构示意图。FIG. 1 is a schematic diagram of the overall structure of a device for simulating sea wave swinging according to the present invention.
图2为本发明一种模拟海浪摇摆的装置的传动装置结构示意图。Fig. 2 is a structural schematic diagram of a transmission device of a device for simulating sea wave swing according to the present invention.
图3为本发明一种模拟海浪摇摆的装置的正弦运动机构示意图。Fig. 3 is a schematic diagram of a sinusoidal motion mechanism of a device for simulating sea wave swaying according to the present invention.
图4为本发明一种模拟海浪摇摆的装置的基座结构示意图。Fig. 4 is a schematic diagram of a base structure of a device for simulating sea wave swaying according to the present invention.
具体实施方式Detailed ways
下面结合附图对本发明作进一步详细描述。The present invention will be described in further detail below in conjunction with the accompanying drawings.
结合图1至图4，一种模拟海浪摇摆的装置，包括可变速电机1、传动装置2、正弦运动机构3、基座4和传动带10。可变速电机1、传动装置2、正弦运动机构3均设置在基座4上，可变速电机1与传动装置2通过传动带10相连，提供动力输入，正弦运动机构3一端与传动装置2连接，另一端固定在待测试的海面稳定平台底部。Referring to FIG. 1 to FIG. 4 , a device for simulating sea wave swaying includes a variable speed motor 1 , a transmission device 2 , a sinusoidal motion mechanism 3 , a base 4 and a transmission belt 10 . The variable speed motor 1, the transmission device 2, and the sinusoidal motion mechanism 3 are all arranged on the base 4, the variable speed motor 1 is connected with the transmission device 2 through a transmission belt 10 to provide power input, one end of the sinusoidal motion mechanism 3 is connected with the transmission device 2, and the other One end is fixed on the bottom of the sea surface stabilization platform to be tested.
所述传动装置2包括回转轮5、传动轴6和传动固定架7。传动轴6一端通过平键与回转轮5固连，另一端穿过传动固定架7与正弦运动机构3相连接，且所述传动轴6通过轴套与传动固定架7转动连接；所述可变速电机1的输出轴上设有转轮，作为从动轮。回转轮5作为主动轮，回转轮5通过传动带10与可变速电机1的转轮连接。The transmission device 2 includes a rotary wheel 5 , a transmission shaft 6 and a transmission fixing frame 7 . One end of the transmission shaft 6 is fixedly connected with the rotary wheel 5 through a flat key, and the other end passes through the transmission fixing frame 7 and is connected with the sinusoidal motion mechanism 3, and the transmission shaft 6 is rotationally connected with the transmission fixing frame 7 through a shaft sleeve; The output shaft of the variable speed motor 1 is provided with a running wheel as a driven wheel. The rotary wheel 5 is used as a driving wheel, and the rotary wheel 5 is connected with the runner of the variable speed motor 1 by a transmission belt 10 .
所述正弦运动机构3包括曲柄8和连杆9。曲柄8上开有U型孔和键孔，所述U型孔和键孔中心轴线重合，曲柄8的键孔与传动轴6通过平键连接，连杆9一端设置在U型孔中，可沿U型孔滑动，另一端与待测试的海面稳定平台底部通过铰链相连。The sinusoidal motion mechanism 3 includes a crank 8 and a connecting rod 9 . The crank 8 is provided with a U-shaped hole and a keyhole, and the central axis of the U-shaped hole and the keyhole coincides. The keyhole of the crank 8 is connected with the transmission shaft 6 through a flat key. One end of the connecting rod 9 is arranged in the U-shaped hole, which can slide, and the other end is connected to the bottom of the sea surface stabilization platform to be tested through a hinge.
所述基座4包括平台固定架12、托架13、托板14和支撑架11。两个相互平行的支撑架11分别通过螺栓和螺母固定在地面上，两个支撑架11任意一侧设有托架13，托板14固定在托架13上，且紧靠两个支撑架11，平台固定架12设置在两个支撑架11顶部，通过转动轴承分别与两个支撑架11连接，使得平台固定架12与传动轴6同向转动，可变速电机1和传动固定架7底部均焊接在托板14上，利用螺栓螺母固定。The base 4 includes a platform fixing frame 12 , a bracket 13 , a pallet 14 and a supporting frame 11 . Two mutually parallel supporting frames 11 are respectively fixed on the ground by bolts and nuts, a bracket 13 is provided on either side of the two supporting frames 11, and a supporting plate 14 is fixed on the bracket 13, and is close to the two supporting frames 11 , the platform fixing frame 12 is arranged on the top of the two supporting frames 11, and is respectively connected with the two supporting frames 11 through rotating bearings, so that the platform fixing frame 12 and the transmission shaft 6 rotate in the same direction, and the variable speed motor 1 and the bottom of the transmission fixing frame 7 are both It is welded on the supporting plate 14 and fixed by bolts and nuts.
所述平台固定架12包括支板15和安装架16。两个支板15对称安装，通过螺栓螺母与安装架16刚性连接。安装架16通过轴承与支撑架11相连，可与传动轴6同向转动。平台固定架12中心设有圆孔，圆孔边沿设有四个支撑板，支撑板上开有螺孔，待测试的海面稳定平台设置在所述圆孔内，与平台固定架12通过螺栓螺母连接。The platform fixing frame 12 includes a support plate 15 and a mounting frame 16 . The two support plates 15 are installed symmetrically, and are rigidly connected with the mounting frame 16 through bolts and nuts. The mounting frame 16 is connected with the support frame 11 through a bearing, and can rotate in the same direction as the transmission shaft 6 . The center of the platform fixing frame 12 is provided with a round hole, and the edge of the round hole is provided with four support plates, and the support plates are provided with screw holes. connect.
本发明所述的模拟海浪摇摆装置的工作过程如下：The working process of the device for simulating sea waves of the present invention is as follows:
启动可变速电机1，通过传动带10带动回转轮5转动，经由传动轴6，带动曲柄8也随之转动，转动的曲柄8通过连杆9带动待测试的稳定平台做正弦摇摆运动。通过调节电机转速可实现平台摇摆频率的改变，调节曲柄的长度（连杆端在U型孔中位置）可以改变平台摇摆运动的幅值。Start the variable speed motor 1, drive the rotary wheel 5 to rotate through the transmission belt 10, and drive the crank 8 to rotate thereupon through the transmission shaft 6, and the rotating crank 8 drives the stable platform to be tested through the connecting rod 9 to do sinusoidal rocking motion. The swing frequency of the platform can be changed by adjusting the motor speed, and the amplitude of the swing motion of the platform can be changed by adjusting the length of the crank (the position of the connecting rod end in the U-shaped hole).
本发明整体结构简单，操作容易，占地面积小，适用于室内的海面稳定平台稳定性测试试验；采用正弦运动机构，将电机的转动转化为作用于稳定平台的摇摆运动，能实现平台相对于竖直轴的对称摇摆；调节电机的转速可以达到改变平台摇摆频率的目的；曲柄长度可变，而连杆长度不变，调节曲柄长度能改变平台摇摆运动的幅值。The present invention has the advantages of simple overall structure, easy operation, and small floor space, and is suitable for indoor stability testing of sea surface stabilization platforms; a sinusoidal motion mechanism is used to convert the rotation of the motor into a swing motion acting on the stabilization platform, which can realize the stability of the platform relative to the Symmetrical rocking of the vertical axis; adjusting the rotational speed of the motor can achieve the purpose of changing the rocking frequency of the platform; the length of the crank is variable, while the length of the connecting rod remains unchanged, and the amplitude of the rocking motion of the platform can be changed by adjusting the length of the crank.
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| CN106644430A (en) * | 2016-11-28 | 2017-05-10 | 杭州海的动力机械股份有限公司 | Simulation water wave device used for ship power mechanism performance testing |
| CN107389302A (en) * | 2017-08-02 | 2017-11-24 | 中国核动力研究设计院 | Simulate Experiment of Thermophysics loop and latent and oscillating motion condition stress device is risen in ocean |
| CN107796615B (en) * | 2017-12-08 | 2020-01-07 | 广州中臣碧阳船舶科技有限公司 | Swing test platform |
| CN109974967B (en) * | 2019-03-18 | 2024-06-18 | 哈尔滨工程大学 | Experimental system suitable for researching swinging water level and pressure fluctuation of voltage stabilizer |
| CN113763774A (en) * | 2021-08-29 | 2021-12-07 | 哈尔滨工程大学 | Series pipeline system for simulating forced circulation flow characteristics under rolling motion |
| CN115728033B (en) * | 2022-12-02 | 2024-03-15 | 天津时空经纬信息技术有限公司 | Wave simulation test platform |
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