Ground screen type clam collecting device

Abstract

The invention discloses a ground screen type clam collecting device and relates to the technical field of aquaculture devices. The clam collecting device comprises a support frame, a ground screen retracting and releasing unit, a dragging unit and support foot units. The ground screen retracting and releasing unit is installed on the left side of the support frame, the dragging unit is installed on the support frame, and the support foot units are installed at the four corners of the support frame. The clam collecting device has the advantages that a screen can penetrate transversely through the positions under clams in the depth stratum of sediment where the clams are located, which is equivalent to arranging the ground screen similar to that used for catching fish under the calms; the screen penetrates transversely through the positions under the sediment stratum where the clams are located and is pulled out of the sediment stratum by the lifting of the support foot units; in the outward pulling process of the screen, by means of a vibration motor, upward moving resistance can be reduced, and sediment attached to the clams is reduced; the screen is pulled out in the vertical direction so that the stratum environment of the sediment stratum cannot be mixed, and the growth environment of the clams is protected.

Description

technical field [0001] The invention relates to the technical field of aquaculture equipment. Background technique [0002] my country has a long coastline, and many coasts have wide tidal flats on the outside, which are rich in seafood, and clams are one of them. Meretrix meretrix is ​​delicious, nutritious, and has high therapeutic and medicinal value. It is a shellfish seafood product that is widely welcomed by the public. Meretrix meretrix is ​​a buried shellfish. It is mostly distributed in the intertidal zone of the inner bay near the relatively flat estuary, as well as in the fine sand and muddy beach in the shallow sea area. It has the habit of submerging sand. The habitat depth varies with the water temperature and individual size. When the water temperature is low, the burrowing depth is generally 6-12cm, and when the water temperature is high in summer, it inhabits the surface layer of tidal flats with a depth of 1-5cm. [0003] According to the water depth abov...

AI Technical Summary

Problems solved by technology

[0005] It can be seen from the above that in the currently commonly used tidal flat collection method, the operator not only needs to hold the operating tool and the collected clams, but also needs to drag the tool backwards to plow the moldboard through the sediment layer, which is very laborious and labor-intensive; In addition, the moldboard essentially acts as a clam detector. When the moldboard touches the clam and the operator perceives the presence of a clam, the operator must stop backing up and use a rake along the moldboard to find the clam. Therefore, the operating efficiency is very low

Due to the above reasons, in the peak season of clam collection, a large number of people picking clams gather on some coastal beaches, which poses a great safety hazard, because once the high tide time is forgotten, or when the tidal law is changed due to storms, earthquakes, etc., it may be too late Casualties due to evacuation

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