30results about How to "Take off fast" patented technology

Packing material roll sterilizing apparatus and method is provided. The apparatus includes one bath for the rolled material to pass through and one sterilizing fluid conveying system from the source to the bath. The apparatus features that the conveying system includes one movable volume regulating element for regulating the sterilizing fluid from the source to the buffering tank and the sterilizing fluid from the buffering tank to the bath. The volume regulating element has at least one part set inside the buffering tank and acting on the sterilizing fluid inside the buffering tank, so that the volume of the sterilizing fluid inside the bath is the function of the position of the volume regulating element inside the buffering tank.

The invention provides a multistage cascaded self-balancing mooring unmanned aerial vehicle system. The whole system is composed of a plurality of mooring unmanned aerial vehicles; each unmanned aerial vehicle is provided with an upper interface module and a lower standard cable module; a serially configured mooring unmanned aerial vehicle set is formed by connecting the lower standard cable module of one of the plurality of mooring unmanned aerial vehicles with the upper interface module of another adjacent unmanned aerial vehicle; so the unmanned aerial vehicles are greatly improved in core technical indexes like load, stability, reliability and lift-off height.

The invention discloses a dragonfly-imitating ornithopter, and belongs to the technical field of ornithopters. The dragonfly-imitating ornithopter comprises a flight control system, a flapping wing device and two pairs of flexible flapping wings, wherein the flapping wing device comprises a front double-wing driving mechanism, a rear double-wing driving mechanism and a driving mechanism connecting frame; the front double-wing driving mechanism and the rear double-wing driving mechanism have the same structure and comprise double-wing active energy piezoelectric actuators and a pair of side wing driving mechanisms with the same structure; the pair of side wing driving mechanisms with the same structure comprises a side wing auxiliary kinetic energy piezoelectric actuator and a side wing flapping mechanism; the side wing flapping mechanism comprises a side wing flapping structure and a side wing rocker arm; the side wing flapping structure comprises a main kinetic energy driving connecting arm and an auxiliary kinetic energy driving connecting arm; the flexible flapping wings are connected with the side wing rocker arms through the flapping wing connecting structures; and the front double-wing driving mechanism and the rear double-wing driving mechanism are respectively arranged in front of and behind the driving mechanism connecting frame. The dragonfly-imitating ornithopter has the characteristics of light weight, compact structure, independent control of four-wing amplitude and vibration frequency and the like.

The invention discloses a combined type agricultural unmanned aerial vehicle. The combined type agricultural unmanned aerial vehicle structurally comprises spray nozzles, a spray bar, buckles, an aircraft nose, cables, arm levers, paddles, a bearing seat, connecting rods, a medicine box, a medicine box cover, a battery and a landing gear. The four spray nozzles are installed on the spray bar, andthe buckles are fixed to the spray bar in a snap-fit mode. The aircraft nose is horizontally fixed to the top portions of the connecting rods, and the arm levers are welded on both sides of the paddles. The bearing seat is mounted on the aircraft nose, and the landing gear is mechanically connected to the bottom of the aircraft nose. The battery is mounted at the top end of the landing gear. According to the combined type agricultural unmanned aerial vehicle, pin rollers are rotated on guide rails with good stability through check rings, and no offset or shaking occurs; inner rings are drivento rotate by the rolling of the pin rollers, so that the friction between a rotating shaft and the bearing seat is greatly reduced; and the rotation speed of the unmanned aerial vehicle is greatly accelerated, and when the arm levers and the paddles are operated, the friction is reduced and the rotation efficiency is improved to enable the take-off speed of the unmanned aerial vehicle to be higher.

The invention relates to an experiential wind tunnel which is in the shape of a long vertically arranged cylinder on the whole. The experiential wind tunnel is characterized in that handles are arranged at the positions capable of being touched by a person on the inner wall of the experiential wind tunnel; the handles are sleeves which are installed on the inner wall of the experiential wind tunnel and made of a soft material; the number of the handles is 2-4, the handles are arranged at the same height of the inner wall of the wind tunnel, and the arrangement positions enable the feet or hands to be placed in the handles so as to enable the body to be in the shape of the Chinese character 'da'. The experiential wind tunnel can help an experiencer to take off quickly and enjoy the pleasureof flying.

The invention discloses a tubular vertical ejection type ejection unmanned aerial vehicle, an ejection system and a realization method thereof. The present invention is mounted on a carrier platform and includes an ejection drone and an ejection system. Before ejection, the ejection drone is folded and slid into the ejection system. After ejection, the ejection drone realizes autonomous flight and completes the designated task; the present invention The excellent functions and structural layout of the catapult UAV can obviously overcome the problems that conventional UAVs have strict requirements for take-off and landing conditions, as well as poor endurance. Quick take-off, safe landing, and fast deployment in various environments; the catapult system for the catapult drone can store the drone, and by using the explosive gas of the projectile, push the push plate, and indirectly eject the drone. The man-machine is ejected in a stable ballistic manner without damaging the drone, and it can be made into the form of multiple ejection tubes, so the ejection efficiency of the drone is higher.

The invention discloses a disc-shaped aircraft driven by high-pressure gas, which comprises a cylinder block, a rotating baffle is arranged above the inside of the cylinder block, a piston and a piston cover are arranged at the bottom of the inside of the cylinder block, and a There are air bags. It is characterized in that a notch is provided on the rotating baffle and is connected with a rotating motor, a number of air injection ports are provided on the cylinder body, an L-shaped support rod is provided on the piston cover, and the air bag is sleeved on the cylinder The outer surface of the middle part of the body, the piston is connected with the linear motor. The invention realizes the flight of the aircraft in different attitudes in the air by controlling the discharge of high-pressure air from the jet port per unit time, and changes the direction of the aircraft by coordinating the rotating baffle with the jet port on the cylinder block. The invention can realize rapid take-off, improves the safety of outdoor use, has the advantages of longer battery life, and is especially suitable for flying in jungles.

The invention discloses a suspension uni-directional / bi-directional steam catapult which comprises a cylinder, a left cylinder cover, a right cylinder cover, a piston, a steam guide pipe system, a left steel cable and a right steel cable; the cylinder consists of an outer cylinder and an inner cylinder; the left cylinder cover and the right cylinder cover are fixedly connected with the left and right ends of the outer cylinder respectively; multiple rows of annularly arranged steam ports are formed on the outer wall of the outer cylinder; through micro-steam holes are formed on the wall of the inner cylinder; the steam guide pipe system is composed of four groups of pipe collection; the first and second groups of pipe collections are arranged on the outer parts of the left and right cylinder covers respectively; the third and fourth groups of pipe collections are arranged on the outer wall of the outer cylinder; the piston is arranged in the inner cylinder; multiple suspension levers are arranged in the inner cylinder; the piston and the suspension levers are in sliding fit; a left tunnel pipe and a right tunnel pipe are mounted on the axle centre of the piston; the right side of the piston is fixedly connected with a signal shaft; and a left buffer and a right buffer are arranged on the inner sides of the left and right cylinder covers respectively. In the catapult, totally-closed cylinders are adopted; and the catapult has the advantages of compact structure, high airtight performance and heat energy utilization rate, large catapult force and high speed and can enable a heavy airplane to take off immediately.

The invention relates to a method for the purification and rejuvenation of an edible fungus strain. According to the method, a first culture medium and a second culture medium are adopted, wherein the first culture medium is obtained by mixing 95 to 97 weight percent of sawdust and 3 to 5 weight percent of river silt and regulating the moisture content of the mixture with a 1 percent potassium permanganate aqueous solution, and the second culture medium is obtained by mixing 95 to 97 weight percent of sawdust and 3 to 5 weight percent of river silt and regulating the moisture content with a 0.5 percent topsin aqueous solution. The method comprises the following steps: pushing 80 grams of the first culture medium and 80 grams of the second culture medium into the centers of bottomless test tubes respectively, and plugging cotton plugs into the two ends of the bottomless test tubes for sterilization; selecting fungus blocks sized as green beans in an aseptic technique manner, inoculating the fungus blocks into the first culture medium, performing culturing for 4 to 6 days at 25 DEG C, selecting mycelium at the uninoculated end to be inoculated to one end of the second culture medium when the mycelium in the first culture medium reaches the other end, performing culturing for 4 to 6 days at 25 DEG C, selecting the mycelium at the uninoculated end to be inoculated to a PDA culture medium when the mycelium penetrates through the second culture medium, and performing culturing for 4 days at 25 DEG C to obtain sterile mother strain. The method is short in cycle and high in accuracy, the sources are simple, the virus, bacterium and fungus pollution of the strain can be rapidly removed, and meanwhile, rejuvenation and strain purification functions are realized.

The invention belongs to the technical field of amphibious flying vehicles, and in particular relates to a hollow-wheel multi-rotor flying vehicle. The present invention includes a body with a rotor as the structural main body, and is characterized in that: the flying vehicle also includes a ground walking assembly, and the ground walking assembly includes a hollow wheel driven by a power source to drive the body to travel along the ground, and the shape of the hollow wheel is circular. Ring wheel shape, the ring cavity of the hollow wheel constitutes a placement cavity for the placement of the rotor, and the rotation axis of the rotor and the rotation axis of the hollow wheel intersect each other. The present invention can not only realize the ground driving function in relatively complex terrain, but also can fly off the ground with the power provided by the rotor to climb over obstacles or fly in the air quickly; in addition, the present invention does not need to change the amphibious mechanism when walking on the ground and flying in the air , the flight and ground driving state transition is convenient and reasonable, and the environmental adaptability is extremely strong.

An apparatus (10) and method for sterilizing rolls (12) of packaging material are provided. The apparatus includes a bath (20) through which the roll passes and a transfer system for transferring a germicidal fluid from a germicidal fluid supply (30) to the bath. The device is characterized in that the transfer system comprises a buffer tank (18) to which the sterilizing fluid is transferred from the supply source and a movable volume adjustment element (34) for transferring the sterilizing fluid from the buffer tank to the bath. At least a portion (36) of the volume adjustment element is arranged to be received in the surge tank and to act on the sterilizing fluid in the surge tank, whereby the volume of the sterilizing fluid in the bath is a function of the position of the volume adjustment element in the surge tank .