65results about How to "Swim fast" patented technology

The invention provides a variable speed ship propeller. The variable speed ship propeller comprises a first conical gear, a speed changer, a second conical gear, a third conical gear, a transmission shaft, a protective net, a conical guide pipe, a cylindrical jetting guide pipe, a propeller, a fourth conical gear, a coupling and an alternating current variable frequency asynchronous motor; the protective net is arranged on the right side of the third conical gear; the conical guide pipe is mounted at the right end of the protective net; the cylindrical jetting guide pipe is assembled at the right end of the conical guide pipe; the third conical gear is connected with the propeller through the transmission shaft; the third conical gear is engaged with the second conical gear; the alternating current variable frequency asynchronous motor is mounted at the right end of the coupling; the fourth conical gear is connected with the coupling through a connecting shaft; the fourth conical gear is engaged with the first conical gear. The variable speed ship propeller is convenient to use and convenient to operate, and can change speed at a plurality of levels; the propelling efficiency of the propeller is improved; the stability is good; the reliability is high.

The invention provides a long-distance transport wagon box for living fish. The wagon box comprises a box body and a box cover; the box body and the box cover are provided with insulation interlayers;the box body consists of a water tank and a filter tank, the water tank and the filter tank are separated by a division board, and the upper segment of the division board is provided with an overflowport; the bottom of the box body is provided with a heat exchange pipeline to connect with an externally hung compressor; the inner side wall of the water tank is provided with a wave making pump anda temperature sensor; the filter tank is provided with a first filter block and a second filter block, wherein the first filter block is arranged at the lower end of the overflow port, the first filter block is internally provided with an active carbon bag, the first filter block is communicated with the lower part of the second filter block, a water pump and a Venturi pipe are arranged in the second filter block, and the front end of the water pump is connected with the Venturi pipe; the branch pipe of the Venturi pipe is provided with an air inlet pipe. The long-distance transport wagon boxhas the beneficial effects that by utilizing the combination of the Venturi pipe and the water pump, air is blown in when circulating water is pumped simultaneously, a water body is oxygen-enriched,the living fish in the box doby can be promoted to swim, fish body vitality is enhanced, and the survival rate during transport is improved.

The invention relates to special bait for fishing carps and crucians, belonging to the special bait for fishing. The special bait for fishing carps and crucians is characterized by comprising the following materials: 500g of shrimp meal, 500g of monkshood, 500g of green bamboo leaves, 1,000g of illiciumsimonsii, 5,000g of rhododendron molle, 100g of Semen Strychni, 1,000g of mandala, 500g of tea plant leaves, 300g of fish appetitive agent, 1,000g of earthworm meal, 500g of semen cannabis, 6,000g of rice, 1,000g of millet, 1,000g of fish meal, 1,000g of puffed powder, 200g of shrimp sachet powder and 100g of fish sachet powder. The special bait for fishing carps and crucians is prepared by the following steps: putting the shrimp meal, the monkshood, the green bamboo leaves, the illiciumsimonsii, the rhododendron molle, the Semen Strychni, the mandala, the tea plant leaves, the fish appetitive agent and the semen cannabis together according to the proportion to pulverize into traditional Chinese medicinal powder; together putting the rice, the millet, the fish meal, the puffed powder, the shrimp sachet powder and the fish sachet powder into a pot to cook into dried earthworm cooked rice; taking out and putting the cooked rice into a big basin; cooling and uniformly stirring the cooked rice back and forth; forcefully folding the cooked rice back and forth for 10 minutes; making the cooked rice into balls with the weight about a quarter kilogram; putting the balls into the pot and steaming the balls on a fire for 20 minutes; extinguishing the fire and sealing the balls for 2 hours; and packing the ball-shaped fishing bait after being sealed into plastic bags for sealing. The special bait for fishing carps and crucians has heavy fishy sachet smell which is particularly heavy in water so as to trap a great amount of fishes rapidly gathering after smelling the smell.

The invention discloses a land culture method for tuna, and belongs to the field of aquaculture. Due to the fact that land culture of the tuna is different from cage culture, culture conditions and density, the bait type and the feeding mode corresponding to land culture are provided, and therefore the aim of successfully culturing the tuna on the land is achieved.

The invention relates to bait for trapping lobsters, belonging to special bait for trapping lobsters. The bait for trapping lobsters comprises the following raw materials: 3500g of fresh earthworms, 3500g of raw sheep intestine, 3500g of small rough fishes, 3500g of fresh goat blood, 3500g of fresh chicken blood, 300g of aquatic spice, 300g of fresh Neocaridina, 20000g of wheat bran, 500g of puffed powder and 1500g of edible bond. The preparation method of the bait comprises the following steps: drying the earthworms, the raw sheep intestine and the small rough fishes on mild fire, respectively airing the fresh goat blood, the fresh chicken blood and the fresh Neocaridina under the sun and proportionally taking the earthworms, the raw sheep intestine, the small rough fishes, the fresh goat blood, the fresh chicken blood and the fresh Neocaridina and combining together to grind into fine powder; then, adding the aquatic spice, the wheat bran, the puffed powder and the edible bond to mix and adding 500g of water to stir uniformly; and putting in a pot for drying for 40 minutes, pouring out, making pills by 20g per pill and airing for spare use. A bait pill in each cage or net can trap a large amount of lobsters.

The invention provides a method for cyclically utilizing water plants of a river crab pond. The method comprises the following steps: managing the river crab pond: cleaning sludge in the river crab pond, disinfecting the river crab pond by utilizing quick lime, bleaching powder and tea seed meal, and then insolating the pond; managing the water plants, applying fertilizer and throwing in bellamyaquadrata: arranging a fencing grass planting region in the river crab pond, planting the water plants, and cutting off the water plants in summer; adding the bellamya quadrata before Qingming Festival; throwing in river crabs: throwing in young river crabs at the last ten-day period of March; carrying out grass carp intercropping: placing a grass carp intercropping net box in the pond at the firstten-day period of June; throwing in grass carp fries: throwing in the grass carp fries into the grass carp intercropping net box at the first ten-day period of July; feeding feed: only feeding feed to the river crabs, but not feeding feed to the grass carps, and feeding the grass carps with the water plants cut from the river crab pond; regulating and controlling the water quality of the river crab pond. According to the technical scheme of the invention, efficient combination of a plurality of types of high-quality aquatic products is realized, the utilization rate of a water body and the planted water plants is improved, the output-input ratio is improved and the comprehensive economic benefit of the river crab pond is remarkably improved.

The invention relates to a preparation method of bait for trapping fish at the bottom layer; the bait comprises chicken intestine powder, pork liver powder, viviparus powder, blood worm powder, shell powder, freshwater shrimp powder, miscellaneous fish meal, clam worm powder, corn flour, sorghum flour, soybean cake powder, sweet potato flour, asparagus cochinchinensis powder, raw rice and immature bitter orange powder; and the bait is specially used for trapping the fish at the bottom layer is rich in fragrance and sweet in taste as well as thick in fishy smell after being put into water, so that a great deal of fish at the bottom layer can be trapped onto the preset surface of the water within the shortest time. The formulation of the bait can be used for trapping and catching a great deal of fish as well as nesting, and is good in trapping effect and high in trapping efficiency, so that the defect that a great deal of fish at the bottom layer of the large water surface, the wild water surface and the water surfaces of complex terrains can not be gathered together to be fished can be effectively overcome.

The invention relates to the technical field of aquaculture, in particular to a method for managing pelteobagrus fulvidraco during dragnet exercise. The method comprises the following steps: thoroughly changing water in a pond and injecting new water to the pond one day before first dragnet exercise, wherein galactomannan, galactose, monocalcium phosphate, white vinegar and choline are added to each liter of new water before new water injection; stopping feeding one day before the first dragnet exercise; feeding the pelteobagrus fulvidraco with a feed prepared from ciliate desert-grass, fish meal, buckwheat powder, undaria pinnatifida, soybean flour and bacillus natto after the first dragnet exercise; carrying out second dragnet exercise one day after the first dragnet exercise is ended, wherein the pelteobagrus fulvidraco is not fed with any food during a period from ending of feeding after the first dragnet exercise to the second dragnet exercise, water in the pond is changed thoroughly before the second dragnet exercise, and the pelteobagrus fulvidraco may leave from the pond after the second dragnet exercise is ended.

The invention discloses a bionic fish bait capable of emitting light for detection. The bionic fish bait comprises a fish bait main body, wherein a bionic back fin is mounted at the top part of the fish bait main body; a bionic chest fin is installed at one side of the fish bait main body; a light-emitting belt is installed on the surface of the fish bait main body; a bionic fish eye is installedat one end of the fish bait main body; a steering fish tail is installed at the other end of the fish bait main body; an electric control box is installed in the fish bait main body; and a fixed beltis installed at one side of the electric control box. The bionic fish bait provided by the invention has the following beneficial effects: the light-emitting belt arranged on the outer wall of the fish bait main body emits light; telescopic control to the light-emitting belt is conducted through a telescopic toothed plate; telescopic control to light-emitting lamps is conducted at the same time; searchlighting of the underwater environment and underwater fish shoal control are conducted; the detection function of the fish bait is improved; meanwhile, the electric control box is used for controlling light emitting; a luring signal is sent out; and the fish shoals are controlled.