45results about How to "Easy to combine freely" patented technology

The invention discloses a crayfish breeding nest and a combined crayfish breeding device with the same. The crayfish breeding nest comprises a base, a ventilation platform located above the base, a nest frame connected between the base and the ventilation platform, and a nest unit arranged on at least one side of the nest frame, wherein the base, the nest frame and the nest unit are all arranged in an aquaculture water, the ventilation platform is exposed out of the aquaculture water, the nest unit comprises a plurality of nest bodies, the plurality of nest bodies are arranged side by side inthe horizontal direction and the vertical direction, a gap is formed between every two adjacent nest bodies, each nest body comprises a nest chamber, a hole and a channel extending outwards from the nest chamber relative to the nest frame and connected with the hole, and the length of the channels, extending outwards relative to the nest frame, of the nest bodies on the upper sides is less than the length of the channels, extending outwards relative to the nest frame, of the nest bodies on the lower sides. Through the gradient structure design of the breeding nest, crayfishes are convenientlydistributed into each layer of nest bodies, the effective breeding area is increased, and the space utilization rate of the aquaculture water is increased.