A kind of crab cage automatic detachment device

Abstract

The invention relates to an automatic crab trap releasing device. Problems of great labor intensity, high cost and low efficiency caused by manually releasing the traditional crab trap are mainly solved. The automatic crab trap releasing device comprises a fixed seat and an unhooking device, wherein a lifting hook comprises a clamping part and a releasing part; a crab trap is connected with a supporting rope through the lifting hook; the unhooking device is hinged on the fixed seat; the unhooking device comprises a bottom plate, a stopping plate and a stopping block; a unhooking slot is formed in the bottom plate; the unhooking slot comprises a sliding-in end and a releasing end; the stopping block is fixedly connected with the bottom plate; a clamping slot is formed in the stopping block; the lifting hook is in clamping fit with the clamping slot; the supporting rope is connected with the releasing part; the releasing part of the lifting hook is pulled by the supporting rope to slide into the unhooking slot; the clamping part of the lifting hook is pushed in the clamping slot so as to drive the unhooking device to rotate for a certain angle around a hinging center; the supporting rope is separated from the lifting hook through a rope releasing opening; and the lifting hook is released from the unhooking device. As the releasing device can be used for releasing the crab trap, the automatic crab trap releasing device provided by the invention is advantaged in that the labor intensity of the releasing device is low, the cost of the device is saved, the production effect of the device is extremely high, and automatic separation is effectively realized.

Description

technical field [0001] The invention relates to a device applied in the marine field, in particular to a crab cage automatic detachment device. Background technique [0002] With the change of fishery resources, large nets were used to fish swimming crabs in the past, but now crab pots are used to trap them. The change of the operation method also changes the labor intensity of the fishermen, especially after the crab pots come out of the sea and onto the boat, unloading the crab pots from the main rope is the most labor-intensive type of work. The whole operation process needs to unload 3000-4000 crab pots at a speed of about 22 per minute. Due to the high labor intensity, recruitment has become a big problem. Therefore, the production cost of this type of work is very high. Generally, each fishing boat needs 4 personnel of this type of work, and the annual salary per person is 120,000-150,000 yuan. In addition, during operation, there are many industrial accidents cause...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings and deficiencies of the background technology, the present invention provides an automatic crab cage detachment device, which solves the problems of large labor force, high cost and low efficiency when the existing crab cages are operated by workers to achieve detachment

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