31results about How to "Improve swimming ability" patented technology

The invention relates to the healthcare medicinal liquor process field and discloses a healthcare medicinal liquor capable of nourishing and tonifying the kidney and a preparation method thereof. The healthcare medicinal liquor is prepared from 0.5-2 parts by weight of medlar, 0.5-2 parts by weight of poria cocos, 0.5-2 parts by weight of chrysanthemum, 0.5-2 parts by weight of rhizoma polygonati, 0.5-2 parts by weight of cinnamon, 0.5-2 parts by weight of Chinese yam and 0.5-2 parts by weight of minoru thorns, and white spirit. The formula of the medicinal liquor capable of nourishing and tonifying the kidney is optimized, a plurality of medical and edible Chinese herbs are chosen to be prepared with the white spirit into the medicinal liquor capable of nourishing and tonifying the kidney, and the purposes of balancing and tonifying yin and yang at the same time are achieved; besides, the healthcare medicinal liquor is capable of mildly tonifying the kidney, nourishing the liver and the kidney, enriching the essence and the blood, and strengthening the bones and muscles, and has the effects of obviously tonifying yang and yin, enhancing the sexual capacity, resisting fatigue, resisting ageing and improving immune, and also has a remarkable curative effect on symptoms such as kidney-yang deficiency, kidney-yin deficiency and kidney-qi deficiency.

The invention relates to the technical field of healthcare wine and particularly relates to peony kidney-nourishing wine and a preparation method thereof. The peony kidney-nourishing wine is prepared from the following raw materials: peony, poria, Chinese yam, fructus alpiniae oxyphyllae, wolfberry, chrysanthemum, polygonatum sibiricum, cortex cinnamomi and glutinous rice. According to the peony kidney-nourishing wine, the peony is taken as the raw material, and no chemical substance or Western medicine component is added, so that the symptoms of the deficiencies of kidney yang and yin can be improved, the defect that healthcare wine in the market only can tonify yang but cannot nourish yin is made up, and the healthcare wine is no longer limited in male groups and is suitable for female groups. Furthermore, by adjusting kidneys by virtue of the peony kidney-nourishing wine, the sub-health status caused by the deficiency of the kidney is well conditioned; the peony kidney-nourishing wine has good smell, flavor and taste.

The invention relates to an intelligent biomimetic robotic dolphin comprising a dolphin head, a dolphin body, a tail fin mechanism, a first elastic connecting member and a second elastic connecting member, wherein two ends of the first elastic connecting member are respectively fixedly connected with the dolphin head and the dolphin body and two ends of the second elastic connecting member are respectively fixedly connected with the dolphin body and the tail fin mechanism. In the intelligent biomimetic robotic dolphin, the first elastic connecting member is adopted to be fixedly connected between the dolphin head and the dolphin body so as to form a first flexible joint multi-joint; the second elastic connecting member is fixedly connected between the dolphin body and the tail fin mechanism so as to form a second flexible joint. A plurality of flexible joints are adopted to ensure that the turn radius decreases when the intelligent biomimetic robotic dolphin moves, therefore, the centripetal force when the intelligent biomimetic robotic dolphin moves is increased and the swimming performance and mobility of the intelligent biomimetic robotic dolphin are enhanced.

The invention discloses a method for improving the field survival rate of released baby fish. The method comprises the following steps of 1) establishing a simulated natural riverway model, wherein a simulated natural riverway model device comprises an ingestion mode domestication area A, a swimming capacity domestication area B, a predator awareness domestication area C, a natural riverway environmental adaptation area D and a water surface ingestion danger signal domestication area E from top to bottom sequentially along the water flow direction. The invention also discloses a simulated natural riverway model device for improving the field survival rate of the released baby fish. The simulated natural riverway model device comprises a reservoir and a water return tank which are communicated through a water pump; one end of the simulated natural riverway is communicated with the reservoir, and the other end of the simulated natural riverway is communicated with the water return tank; the reservoir, the water pump, the water return tank and the simulated natural riverway form a circulating system with a certain flow rate. According to the method and the simulated natural riverway model device for improving the field survival rate of the released baby fish, the adaptability of the released baby fish under field environment is improved, so that the survival rate after release is improved.

The invention relates to the technical field of nutritionally mixed wines and in particular relates to a traditional Chinese medicine composition as well as an application, a production method and a preparation thereof. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 0.5-2 parts of peony flower, 0.5-2 parts of Indian buead, 0.5-2 parts of Chinese yam, 0.5-2 parts of liquorice root, 0.5-2 parts of Chinese wolfberry fruit, 0.5-2 parts of black sesame, 0.5-2 parts of sealwort and 0.5-2 parts of cinnamon. The traditional Chinese medicine is capable of mutually compensating yin and yang, regulating internal equilibrium between yin and yang, nourishing the blood and soothing the nerves, and reinforcing the kidney and controlling noctural emission, and has an obvious curative effect on diseases and sub-health states caused by the deficiency of the kidney; the nutritionally mixed wine makes up for the deficiencies that the health medicinal wines in the market at present only has the effect of tonifying yang without nourishing yin, and succeeds in popularizing the way of keeping good health with harmony between yin and yang; as a result, the health wine is not limited to male any more, and is also suitable for female.

The invention relates to the technical field of health care medicinal liquor and discloses kidney yang tonifying health care medicinal liquor and a preparation method thereof. The health care medicinal liquor is prepared by white spirits and the following medicine raw materials by part of weight: 0.5-2 parts of rehmannia glutinosa, 0.5-2 parts of medlar, 0.5-2 parts of tuckahoe, 0.5-2 parts of radix asparagi, 0.5-2 parts of semen cuscutae, 0.5-2 parts of herba cistanche, 0.5-2 parts of zanthoxylum bungeanum maxim and 0.5-2 parts of dogwood. The kidney yang tonifying health care medicinal liquor is prepared by a plurality of precisely-selected traditional Chinese medicines and the white spirits, achieves the aim of balancing and together nourishing yin and yang, has the effect of warming and invigorating kidney yang, benefiting liver and kidney, nourishing essence and blood, strengthening the bones and muscles, obviously tonifying yang, is capable of boosting sexual capability, fatigue resisting, aging resisting and strengthening immunity and has obvious curing effect on kidney-yang deficiency.

The invention discloses a health product having an anti-fatigue effect. According to statistics, the incidence rate of a sub-health state is 70% of the total population, and the sub-health state greatly affects the quality of human life and consumes human life costs. The health product is prepared by taking pearls, hippocampus, syngnathus, sea snakes, sea shrimps, sea cucumber, oysters and other seafood as main ingredients and combining a part of medicine and food dual-purpose traditional Chinese medicines; through providing high-quality proteins, polypeptides, amino acids, zinc, iron, selenium, magnesium, calcium, phosphorus and other minerals, the health product make a human body supplemented, can eliminate fatigue, thereby adjusting the sub-health state of the human body. After the heath product is made into a liquid agent, a mouse anti-fatigue test is performed; and results show that compared with a control group, the average time of 5 groups of mice to sink into water is 45 minutes, while the average time of the control group to sink into water is 25 minutes. Therefore, the results show that the health product can significantly improve the swimming ability of the mice, and reveal that the health product has the anti-fatigue effect.

A concrete member forming machine is composed of base, two side supporting frames, upper supporting frame, cylinder for pressing head, hydraulic control system, pressing head holder with exchangeable pressing head, concrete member bearing seat, die box, guide rods for pressing head, vibrating unit, die releasing cylinder, and automatic material supplying unit.

The invention discloses a design method of a flexible bionic robot fish adopting rope redundant actuation. The design method reproduces the uneven distribution of spine stiffness of a fish body by designing different types of flexible fish body spine models, and simulates a unique deformation process of the fish body by adding the redundant actuation. The design method of the flexible bionic robotfish adopting the rope redundant actuation reproduces the uneven distribution of the spine stiffness of the fish body by adopting a mode of superposing a continuous elastic beam and a multi-spine module, and simulates the unique deformation process of the fish body by adding the redundant actuation. The structure entirely considers the influence of the stiffness characteristics of the fish on thepropulsion performance of the fish, and has important significance for improving the swimming performance of the bionic fish.

The invention discloses a traditional Chinese medicinal composition and a capsule for invigorating qi and tonifying kidney and a preparation method of the traditional Chinese medicinal composition. The traditional Chinese medicinal composition for invigorating qi and tonifying kidney is prepared by extracting various raw medicinal materials including herba epimedii, semen trigonellae, radix morindae officinalis, fructus psoraleae, radix polygalae, spina date seeds, poria cocos, radix angelica sinensis, arillus longan, radix astragali, white atractylodes rhizome, baked ginger, fructus ziziphi jujubae, licorice root, radix aucklandiae, canine kidney, radix ginseng rubra, colla cornus cervi, tortoise-shell glue and cortex cinnamomi by adopting water and alcohol. According to the technical scheme, the prescription of the traditional Chinese medicinal composition for invigorating qi and tonifying kidney is optimized, the traditional Chinese medicinal composition is prepared by selecting various traditional Chinese medicinal materials and adopting a suitable method, and the traditional Chinese medicinal composition can be used for warming and invigorating kidney yang, nourishing the liver and the kidney, reinforcing essence and blood, and strengthening muscles and bones, has the obvious efficacies of tonifying Yang, improving sexual capacity, resisting fatigue, resisting ageing, andenhancing immunity, and has the obvious curative effects for the symptoms of kidney-yang deficiency.

The invention provides a high-capacity tyre, capable of regularly improving the motility performance and uneven abrasion resistant performance. In the high-capacity tyre in the invention, circumferentially continuous and extending circumferential grooves (10) are arranged on a tyre sidewall surface (3Sa) of a tire lateral part (3) connected with a tread edge (Te) of a tread ( 2S) by a tire shoulder circular arc part (9). The circumferential groove (10) comprises: a groove body (12) extending from the opening part (11) to the axial inner side of the tyre, and an accessory part (13) with a extend-out part (14) going over a ditch side (12a) at the radial outer side of the groove body (12) and extending out toward the radial outer side. A radial external end (P) of the extend-out part (14) is located nearest to the radial outer side than the opening edge (11a) of the opening part (11), the curvature radius (Rs) of the tire shoulder circular arc part (9) is above 8mm.

The invention relates to the field of the biomimetic field, and discloses aquarium ornamental type biomimetic squid. The biomimetic squid comprises a squid body, a head, fins and a tentacle part, wherein the squid body and the head are hollow shell structures, a first end of the squid body is connected with a first end of the head in a rotation way through first steering gears, a second end of thehead is connected with the tentacle part, and two sides of the second end of the squid body are connected with the fins through the second steering gears. The aquarium ornamental type biomimetic squid provided by the invention is divided into four parts according to the shape of the squid, so that the entirety is closer to and simulates the squid, the swimming feature of the squid can be sufficiently simulated and utilized, and the flexibility is improved. The squid body and the head are the hollow structures, so that the weight of the squid structure can be reduced; the squid body and the head are connected through the steering gears and the squid body and the fins are connected through the steering gears, thereby facilitating the free movement of the squid structure, enhancing the swimming capacity of the squid structure and improving the flexibility.

The invention relates to a wild-training method for Chinese sturgeon. The method comprises the steps of converting feeding habits, improving swimming capacity and improving predation capacity. Only when feeding habit conversion is completed, can the predation capacity be improved, and the improvement of swimming capacity and predation capacity and feeding habit conversion can be conducted synchronously. By adopting the method, the feeding habit of the released Chinese sturgeon is successively converted into freshwater and seawater creature baits from artificial compound feed, and the problem of conversion of feeding bait types of the released Chinese sturgeon is solved; by feeding the released Chinese sturgeon with live baits of the moving capacity from weak to strong, the capacity of actively catching the live baits of Chinese sturgeon is greatly improved, and the wild-adaptability capacity of the released Chinese sturgeon is greatly strengthened; the swimming capacity, especially theswimming capacity in adverse water flow of the Chinese sturgeon is greatly improved in a mode of intermittently creating stair water flow, the physique of the Chinese sturgeon is greatly improved, and wild predation and anti-predation of the Chinese sturgeon are ensured greatly.

The invention belongs to the field of algae collection, and particularly relates to a device and method for collecting euglenophyta in the field. The portable device for collecting the euglenophyta inthe field is characterized by comprising a hollow tube body, a tube cover matched with the hollow tube body, a pick-and-place rod, wherein a water absorbing collector is fixed to one end of the pick-and-place rod, and the pick-and-place rod is placed in the hollow tube body. The invention further provides a method for collecting the euglenophyta in the field. The collected euglenophyta is adsorbed on the water absorbing collector for sampling conveniently; in addition, the water absorbing collector can enable the euglenophyta to be unable to swim in the transportation process (a bad environment), and the euglenophyta is fixed in a material; when the euglenophyta is transported to a laboratory, a proper amount of culture medium is added to a centrifuge tube, light is given, a favorable environment is restored, the swimming capacity of the euglenophyta is enhanced, and the euglenophyta swims from the water absorbing collector to the culture medium and grows massively.

The invention discloses a swimming-helping nose plug, comprising two plug bodies the outer ends of which are connected by a connecting piece. Each plug body is of a tube structure which is matched with the shape of a nose cavity and is respectively provided with an inner air outlet and an outer air outlet at the two ends, the outer sides of the inner air outlet and the outer air outlet are respectively provided with an inner vertical edge and an outer vertical edge, and the outer air outlet is provided with a closed valve which is limited and sealed on the outer air outlet by virtue of an elastic arm. By adopting the structure, the swimming-helping nose plug is inserted into the nose cavity when in use and is blocked in the nose cavity by virtue of the inner vertical edge and the outer vertical edge so as to prevent the plug body from being taken out or falling into the nose cavity along with an air current. Meanwhile, the outer vertical edge also can reduce water outside which entersinto from the edge, thus a phenomenon of water inhaling can be effectively avoided. The airtight valve on the outer air outlet is sealed on the outer air outlet under the extrusion action of the elastic arm when a user inhales so as to prevent the air from entering and realize the effect of the original nose plug; and when the user breathes out, waste gas breathed out by the user is exhaust by pushing the nose plug while small amount of water carelessly entering into the nose cavity is taken out, thus water logging is prevented.

The invention relates to a medicament capable of protecting a cell membrane, comprising main components of fructose-1,6-diphosphate or salts thereof, taurine, L-asparaginic acid or salts thereof, citric acid and vitamin. The medicament can protect the cell membrane, reduce the damage of free radicals to the cell membrane, quickly provide a large amount of energy substances, quickly repair damaged muscle, promote aerobic metabolism and avoid corresponding lactic acid accumulation. The animal experiment proves that the medicament can markedly improve and train the swimming capability of wistars and can prevent skeletal muscle contraction device from being damaged by sports. The medicament provided by the invention is convenient to use, and particularly suitable to athletes practicing endurance events.

The invention discloses a Chinese herbal medicine formula for strengthening body resistance, dispersing blood stasis, expelling toxins and eliminating tumors. The Chinese herbal medicine is prepared from, by weight, 30-500 parts of wild milkvetch roots, 10-150 parts of wild sabah snake grass, 20-300 parts of wild radix codonopsis, 15-200 parts of wild cordyceps, 10-300 parts of wild radix scrophulariae, 8-400 parts of wild herba epimedii, 25-800 parts of wild lucid ganoderma, 5-200 parts of wild rhizoma polygonati, 15-500 parts of wild pseudo-ginseng, 10-200 parts of wild red sage roots, 30-1,500 parts of wild herba rabdosiae, 80-300 parts of wild angelica sinensis roots, 10-250 parts of wild selfheal, 10-350 parts of wild hedyotis diffusa, 20-600 parts of wild dandelions, 10-400 parts ofwild barbed skullcap herb, 15-500 parts of wild paris polyphylla, 6-400 parts of wild nepal dock roots and 20-400 parts of wild liquorice roots. Starting from the holism of the human body, the theoryof supporting the healthy energy and carrying out diagnosis and treatment based on overall analysis exists in the whole process of cancer prevention and treatment, and the invented Chinese herbal medicine has the effects of strengthening body resistance, dispersing blood stasis, expelling toxins and resisting tumors and has high inhibiting and killing effects on cancer cells.

The invention provides a bionic fish. The bionic fish comprises a shell, fins and a connecting part for connecting the shell and the fin, the fins comprise the pectoral fin, the dorsal fin, the anal fin and the tail fin; an acceleration sensor, a gyroscope sensor, a camera, a microprocessor, a battery, a radio transmitter and a first servo motor which are fixedly connected with the shell through screws are arranged in the shell; the acceleration sensor is electrically connected with the gyroscope sensor, the camera, the microprocessor, the battery, the radio transmitter and the first servo motor; a threading hole and a threaded hole used for installing the connecting part are reserved in the rear end face of the shell, and the fins and the shell are bonded through an adhesive; artificial muscles are arranged on the fins, and the fins are driven by the artificial muscles to deform and generate power. The bionic fish is driven by the artificial muscles, the swimming capacity of the bionic fish is improved after improvement, and the quick turning performance of a robot is improved by using the artificial muscles.

The invention relates to the technical field of health care medicinal liquor and discloses kidney yang tonifying health care medicinal liquor and a preparation method thereof. The health care medicinal liquor is prepared by white spirits and the following medicine raw materials by part of weight: 0.5-2 parts of rehmannia glutinosa, 0.5-2 parts of medlar, 0.5-2 parts of tuckahoe, 0.5-2 parts of radix asparagi, 0.5-2 parts of semen cuscutae, 0.5-2 parts of herba cistanche, 0.5-2 parts of zanthoxylum bungeanum maxim and 0.5-2 parts of dogwood. The kidney yang tonifying health care medicinal liquor is prepared by a plurality of precisely-selected traditional Chinese medicines and the white spirits, achieves the aim of balancing and together nourishing yin and yang, has the effect of warming and invigorating kidney yang, benefiting liver and kidney, nourishing essence and blood, strengthening the bones and muscles, obviously tonifying yang, is capable of boosting sexual capability, fatigue resisting, aging resisting and strengthening immunity and has obvious curing effect on kidney-yang deficiency.

The invention relates to forming equipment for producing concrete components. The forming equipment is used for producing the formed concrete components required by house buildings, roads, water conservancy projects and the like, and is especially suitable for producing the full-U-shaped, 2 / 1-of-U-shaped, rectangular and trapezoidal concrete components. The forming equipment comprises a machine seat, a gantry-type rack composed of a crossbeam and a vertical column, a hydraulic system and a pressure head system. Only one hydraulic oil cylinder is vertically mounted in the middle of the crossbeam. The lower end of a hydraulic rod of the hydraulic oil cylinder is fixedly connected with a pressure head seat. The lower end of a balancing guiding rail is fixedly connected with the pressure headseat. A working pressure head is connected to the lower part of the pressure head seat. The upper end of a telescopic rod is connected with the working pressure head. The lower end of the telescopic rod is connected with a concrete die. The forming equipment for producing the concrete components has the advantages that the forming equipment for producing the concrete components can improve motility in the process of concrete forming, drainage and exhaust are advantageously conducted, the product compactness is high, the strength is high, the frost resistance and the anti-seepage performance are good, the whole structure is compact, operation is convenient, the rigidity is good, the life is long, the efficiency is high, and energy consumption is low.

The invention discloses a swimming-helping nose plug, comprising two plug bodies the outer ends of which are connected by a connecting piece. Each plug body is of a tube structure which is matched with the shape of a nose cavity and is respectively provided with an inner air outlet and an outer air outlet at the two ends, the outer sides of the inner air outlet and the outer air outlet are respectively provided with an inner vertical edge and an outer vertical edge, and the outer air outlet is provided with a closed valve which is limited and sealed on the outer air outlet by virtue of an elastic arm. By adopting the structure, the swimming-helping nose plug is inserted into the nose cavity when in use and is blocked in the nose cavity by virtue of the inner vertical edge and the outer vertical edge so as to prevent the plug body from being taken out or falling into the nose cavity along with an air current. Meanwhile, the outer vertical edge also can reduce water outside which entersinto from the edge, thus a phenomenon of water inhaling can be effectively avoided. The airtight valve on the outer air outlet is sealed on the outer air outlet under the extrusion action of the elastic arm when a user inhales so as to prevent the air from entering and realize the effect of the original nose plug; and when the user breathes out, waste gas breathed out by the user is exhaust by pushing the nose plug while small amount of water carelessly entering into the nose cavity is taken out, thus water logging is prevented.

The invention discloses an application of daphnetin in preparation of a medicine for preventing and / or treating muscular atrophy, sarcopenia and exercise capacity decline caused by age increase. The application is discovered for the first time, and the daphnetin is proved to be capable of obviously enhancing the grabbing force of four limbs of an aged mouse, improving the swimming exercise capacity of the aged mouse and improving the muscle quality in an aged mouse model.

The invention relates to the field of aluminum profile surface treatment, provides a copper salt electrolytic coloring method for an aluminum alloy profile, and solves the problems that a coloring film layer generated by adopting a copper salt system for an existing aluminum profile is poor in corrosion resistance, non-uniform in film color and easy to fade. Comprising the treatment procedures of oil removal, water washing, alkali corrosion, water washing, neutralization, water washing, anodic oxidation, water washing, water washing, electrolytic coloring, water washing, water washing, hole sealing and water washing, and bath liquor adopted in the anodic oxidation process comprises sulfuric acid with the concentration being 160-180 g / L, acetic acid with the concentration being 12-18 g / L, aluminum sulfate with the concentration being 12-18 g / L and sodium dodecyl benzene sulfonate with the concentration being 1-3 g / L; a coloring solution adopted in the electrolytic coloring process comprises sulfuric acid with the concentration of 15-20 g / L, aluminum dihydrogen phosphate with the concentration of 6-9 g / L, succinic acid with the concentration of 8-12 g / L, copper sulfate with the concentration of 12-15 g / L and ferric sulfate with the concentration of 4-6 g / L.

The invention provides kidney-invigorating and yang-strengthening silkworm chrysalis health-care medicinal liquor and a preparation method thereof. The liquor comprises three groups of raw material medicines and white spirit: group A: 3-12 parts of silkworm chrysalis, 3-12 parts of silkworm moth, 1-15 parts of fresh cartialgenous, 10-15 parts of fresh fruit of Chinese wolfberry, 2-6 parts of stigma croci and 1.5-3 parts of prepared actinolite; group B: 3-9 parts of ginseng, 10-15 parts of prepared Polygonum multiflorum, 10-30 parts of radix rehmanniae preparata, 3-12 parts of Rhizoma Atractylodis Macrocephalae, 10-15 parts of Eucommia ulmoides, 10-15 parts of Astragalus membranaceus, 3-12 parts of prepared radix aconiti carmichaeli, 6-12 parts of pulp of dogwood fruit, 6-12 parts of herba epimedii, 9-12 parts of teasel root and 3-6 parts of polygala tenuifolia; and group C: 3-9 parts of rhizoma curculiginis, 6-12 parts of Lonicera japonica Thunb, 10-18 parts of cistanche, 6-10 parts of semen allii tuberose, 3-9 parts of fructus cnidii, 2-5 parts of shaved cinnamon bark, 6-12 parts of raspberry, 3-9 parts of Mulberry locust and 6-9 parts of prepared hedgehog hide. The liquor provided by the invention not only solves the problem of tonifying and nourishing kidney, but also solves the problem of necrospermia, asthenospermia and non semen liquefaction within a shorter time.

The invention relates to a composition for alleviating athletic fatigue and a preparation method thereof. The composition comprises the following components in parts by weight: 100-700 parts of a pine bark extract and 40-400 parts of theanine. Tests verify that the pine bark extract and theanine are used together, so that the sports level can be improved to a relatively great extent and the athletic fatigue can be alleviated or eliminated. According to the composition provided by the invention, the reasonable proportion of the pine bark extract and theanine is given, so that the composition has a synergistic effect, and the effect of alleviating or eliminating the athletic fatigue is maximized, thereby improving the sports athletic ability. Moreover, the preparation method is simple and auxiliary materials are reasonably applied, so that the effect of the extract can be utilized and given to play to the greatest extent. The composition provided by the invention is low in cost, the process satisfies the production specification of preparations, and the prepared preparation is easy to take, thereby facilitating adsorption by a human body and generally facilitating industrial popularization and application. The composition has a huge economic benefit.

The invention discloses a pneumatically-driven stingray-like fluctuation propulsion soft robot and a manufacturing method thereof. The soft robot is composed of a fin ray mounting framework, a flexible pectoral fin and a plurality of flexible air pipes. The whole robot is made of flexible materials except the fin ray mounting framework. The flexible pectoral fin is composed of driving fin rays anda flexible fin face, wherein the driving fin rays are arranged on the disc-shaped flexible fin face in a radial mode. Each driving fin ray is provided with an upper air cavity and a lower air cavity;the rigidity of the driving fin ray can be adjusted through the internal air pressure value; the top of the driving fin ray is connected to a blocking air cavity, and the outer side rigidity can be adjusted and controlled. The fishes propelled in a fluctuating manner have good maneuverability and concealment, a stable and flexible motion state can be kept in a complex working environment, the design of an underwater propeller for simulating fluctuation propulsion becomes a research hotspot, the stingray serves as a bionic object, and a new thought is provided for the design of the underwaterpropeller through deep bionics in the geometric and physical aspects.