Net cage model test platform

Abstract

The invention provides a net cage model test platform which is characterized in that two platform main beams stretch across rails and move through towing of a trailer. A platform framework is formed by the platform main beams via longitudinal connecting rods and transverse connecting rods through connection. The middle of the platform frame is provided with connecting supports which are used for installing a volume measuring instrument. The four corners and the front part of the platform framework are provided with clamping plates which are used for installing photographing rods and towing rods. One side of the platform framework is provided with a lateral photographing operation rod. Waterproof cameras are adopted to act as cameras which are provided with LED lighting lamps and fixed at the bottom part of the photographing operation rod. The top part of each towing rod is provided with a tension sensor bracket which is used for placing a tension sensor, and the bottom part of each towing rod is provided with slide wheels which act as transmission devices of tension steel ropes of a model test. Multi-angle model images are transmitted to a display end by the photographing devices arranged at the four corners and the sides of the platform. Tension data are measured by the tension sensors and transmitted to the computer display end and the data are read in real time and saved. The whole platform structure is connected with the tail part of the trailer via a connecting device arranged at the front end.

Description

technical field [0001] The invention relates to net cage model test equipment. Background technique [0002] Cage culture, especially seawater cage culture, has become an important part of my country's aquaculture industry. As a culture carrier, the structure and performance of the cage are directly related to industrial benefits. The structure of the cage mainly includes a buoyancy frame and a net. In the shape of a garment, it is usually equipped with a sinker. The net cage will be deformed by the action of the water flow in the water. The mooring system for fixing the net cage needs to be designed through experiments and calculations. These are difficult to do in the actual environment. The main way is to study and improve the structural performance of the net cage through the tank model test one. The net cage model tank test is to make the culture net cage into a model net cage in the tank according to the similar theory and conduct the test in the tank to study the hyd...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, similar net cage model tests are generally carried out in the dynamic water tank and the static water tank. Due to the size limitation of the dynamic water tank, the large size ratio of the model cage is increased, which increases the error of the test results and the accuracy of the data. Reliability is difficult to guarantee

Although the size of the stilling tank is relatively large, the current test is still carried out on the basis of the original trawling model test platform, and only the simulation test of the double-point mooring system can be carried out. The accuracy and collection methods of the data are relatively backward. In addition, the cage model The image acquisition and volume measurement of the test cannot be completed in the current test equipment, and it is difficult to meet the test requirements of the cage model test. Therefore, designing and manufacturing a new test platform suitable for the cage model test and developing a set of data acquisition methods have become Current technical issues to be resolved

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