12results about How to "Easy to fly" patented technology

The utility model discloses a fire extinguishing bomb throwing device of an unmanned aerial vehicle, and relates to the technical field of fire extinguishing equipment. The damping device comprises an unmanned aerial vehicle fixing frame and a mounting disc, the unmanned aerial vehicle fixing frame is located in the center of the bottom end of the unmanned aerial vehicle, a first spring is fixedly connected to the top end of the mounting disc, a damping plate is fixedly connected to the top end of the first spring, and a bolt fastener penetrates through the position between the mounting disc and the unmanned aerial vehicle fixing frame. A supercharger is fixedly mounted in the center of the bottom end of the mounting disc, and a spray pipe is fixedly mounted at the bottom end of the supercharger. The throwing device is buffered when flying or touching foreign matters, so that the fire extinguishing bomb is prevented from being damaged, the normal fire extinguishing is ensured, the fire extinguishing bomb can obtain a higher initial speed of falling down, the influence of wind power on the falling of the fire extinguishing bomb is reduced, the throwing accuracy of the fire extinguishing bomb is improved, and the fire extinguishing effect is further improved. Meanwhile, the space of the throwing device is not occupied, and flying and parking of the unmanned aerial vehicle are facilitated.

The present invention discloses an underwater robot capable of carrying a drone, which relates to the field of submersibles and comprises a main body, wherein propeller groups are arranged at both ends of the main body, each propeller group comprises two first propellers, and the two first propellers are oriented in different directions; two drone cabins are arranged on the side of the main body, and the two drone cabins are symmetrically arranged on both sides of the main body and are arranged between the two propeller groups; the drone cabin comprises a storage cabin, a downward pressure mechanism and a reinforcement mechanism; the present invention arranges a storage cabin, and arranges a downward pressure mechanism and a reinforcement mechanism on the side of the storage cabin, and can control the rotation of a pressure plate under the action of a first steering gear, thereby making the pressure plate cover the top of the storage cabin, and at the same time squeeze the sealing ring, thereby sealing the storage cabin, and providing support for the sealed storage of the drone; at the same time, under the action of a second steering gear, the edge of the pressure plate can be pressed against by a support plate, and the sealing connection between the pressure plate and the storage cabin can be reinforced.

The invention discloses a polishing device and a polishing method for the inner wall of a metal bent pipe, and belongs to the field of polishing devices. A polishing device for the inner wall of a metal bent pipe comprises a base, a grinding wheel is arranged above the base, a driving assembly for driving the grinding wheel to operate is arranged at one end of the grinding wheel, a clamping and fixing assembly is arranged on one side of the grinding wheel, and a fixing ring is fixedly installed on the surface of one side of the clamping and fixing assembly; the rotating disc can rotate; through mutual cooperation of the arranged assemblies, the grinding wheel automatically stretches into the inner wall of one end of a workpiece and conducts grinding and polishing operation around the periphery of the inner wall of the workpiece, the placing position of the clamped workpiece can be adjusted in a self-adaptive mode according to the shape characteristics of the workpiece, the machining precision of the device is improved, and the machining efficiency is improved. And meanwhile, in the machining process, metal chippings raised at the clamping and fixing assembly can be automatically collected and treated, the working environment is protected, meanwhile, the machining stability of the device is improved, and the fault phenomenon is reduced.

The invention discloses an underwater robot capable of carrying an unmanned aerial vehicle, and relates to the field of submersibles, the underwater robot comprises a main body, propeller sets are arranged at the two ends of the main body, each propeller set comprises two first propellers, the two first propellers face different directions, two unmanned aerial vehicle cabins are arranged on the side edge of the main body, and the unmanned aerial vehicle cabins face different directions. The two groups of unmanned aerial vehicle cabins are symmetrically arranged on the two sides of the main body and are both arranged between the two groups of propeller groups, and each unmanned aerial vehicle cabin comprises a containing cabin, a pressing mechanism and a reinforcing mechanism; the containing cabin is arranged, the downward pressing mechanism and the reinforcing mechanism are arranged on the side edge of the containing cabin, and a pressing plate can be controlled to rotate under the action of a first steering engine, so that the pressing plate covers the top of the containing cabin, meanwhile, a sealing ring is extruded, the containing cabin is sealed, and support is provided for sealed storage of the unmanned aerial vehicle; the abutting plate can abut against the edge of the pressing plate under the action of the second steering engine, and the reinforcing pressing plate is connected with the containing cabin in a sealed mode.

The utility model discloses a kind of surveying and mapping unmanned aerial vehicle wing folding structure, it is related to wing folding field, including fixed arm, the one end outside of fixed arm is equipped with rotary groove, the inner wall of rotary groove is rotatably installed with rotary seat, the one end of rotary seat is integrally formed with rotary arm, the butt joint mechanism is distributed in the butt joint end of rotary arm with the inside of fixed arm, the one end of fixed arm away from rotary seat is provided with tension mechanism, the tension mechanism is connected with the clamping mechanism by connecting rod, the inside of fixed arm is equipped with the guide groove for the sliding of connecting rod. The utility model is provided with tension mechanism and clamping mechanism, realizes that rotary arm is opened, surface does not have protruding structure, so it is more beneficial to unmanned aerial vehicle flight.

The invention provides a method for estimating a parachute opening point position of a meteorological and sounding rocket parachute. The method comprises the following steps: step 1, setting a detection target point of a meteorological and sounding rocket as an initial parachute opening point; step 2, presetting an initial launching point, an initial launching angle and a maximum parachute opening position of the meteorological sounding rocket based on the initial parachute opening point; step 3, inputting the initial launching point, the initial launching angle and the maximum parachute opening position into an iteration unit, continuously iterating by the iteration unit, and outputting an estimated parachute opening point; 4, determining a planned launching point and a planned launching angle for launching the meteorological and sounding rocket based on the estimated parachute opening point; and 5, determining a rocket flight path according to the planned launching point and the planned launching angle, and determining a parachute opening point position based on the rocket flight path. According to the method, the flight process of separating the load to the parachute opening section is simplified into inertial motion under the action of gravity, the inflation process of the parachute is ignored, the maximum parachute opening height is estimated by directly utilizing a dynamic pressure formula, so that the relative position of the parachute opening point is estimated, and the estimation process is simple and convenient.

The invention relates to a composite fiber rubber modified asphalt mixture and a preparation method thereof, belongs to the technical field of asphalt materials, and solves the problems in the prior art that the interface bonding strength and compressive deformation resistance are insufficient after an ultrahigh-content rubber modified asphalt mixture is aged. The preparation method comprises the following steps: step 1, adding preheated stone into a preheated mixing pot, then adding glass fibers, and stirring; step 2, adding the rubber modified asphalt into the mixing pot, and stirring; step 3, adding part of mineral powder into the mixing pot, and stirring; step 4, mixing the carbon fibers and the residual mineral powder; and step 5, adding the mixed carbon fiber and mineral powder into the mixing pot, stirring, and discharging to obtain the composite fiber rubber modified asphalt mixture. According to the invention, the interface bonding strength and compressive deformation resistance of the aged ultrahigh-content rubber modified asphalt mixture are improved at the same time.

The utility model relates to a fluff stirring device for flocking, and relates to the field of fluff stirring devices. A bidirectional stirring assembly is arranged in the stirring box, a feeding pipe is fixed to one end of the upper portion of the stirring box, a sealing cover is arranged above the feeding pipe, an air blowing assembly is fixed to the other end of the upper portion of the stirring box, supporting legs are fixed to the two ends of the lower portion of the stirring box, and a discharging pipe is fixed to the middle of the lower portion of the stirring box. A blocking plate is arranged in the discharging pipe, an electric push rod is fixed to one end of the blocking plate, a controller is fixed to one side of the stirring box, a bidirectional stirring assembly is arranged, bidirectional stirring of fluff is facilitated, the fluff stirring and scattering effect is good, a fan is arranged, fluff blowing is facilitated, fluff can fly up, and the fluff stirring and scattering effect is good. Therefore, the stirring effect of the fluff is better, and the fluff which is bonded together can be separated more easily, so that the fluff is effectively prevented from being stirred into particles.

The utility model relates to unmanned plane technical field especially unmanned plane parachute's installation mechanism, including unmanned plane main part and parachute bag, the unmanned plane main part top fixed mounting has the mounting block, the mounting block top has been seted up two insertion slot, the opposite side of two insertion slot all has seted up the limit slot, two insertion slot opposite ends all are provided with the limit component, the parachute bag bottom is provided with two plug -in board, two plug -in board are inserted into two insertion slot respectively, and the through slot is seted up on the plug -in board, and the limit component includes the limit pin, and the limit pin passes through the through slot and inserts into the limit slot, and one side of limit pin is provided with the connecting rod, and one side fixed mounting of connecting rod has H shape connecting plate, in the utility model, through the plug -in board of parachute bag is inserted into the insertion slot, then the plug -in board is limited to the limit component, is convenient for quick parachute bag installation to the unmanned plane, and the parachute bag will not displace when unmanned plane flight, is favorable to the normal flight of unmanned plane.

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a quick-release portable unmanned aerial vehicle which comprises an unmanned aerial vehicle body and two unmanned aerial vehicle wings, clamping grooves are formed in the two sides of the unmanned aerial vehicle body, clamping blocks are arranged on the outer side of the unmanned aerial vehicle body and connected with the clamping grooves in a clamped mode, and first connectors are arranged on the two sides of the unmanned aerial vehicle body. Slide ways are arranged at the edges of the unmanned aerial vehicle wings and communicate with the outer sides of the unmanned aerial vehicle wings, connecting blocks are arranged in the slide ways and provided with second connectors, sliding blocks are arranged at the tops of the second connectors, guide grooves are formed in the tops of the unmanned aerial vehicle wings and communicate with the slide ways, and the sliding blocks penetrate through the guide grooves. The first connector is connected with the second connector. According to the utility model, the operation convenience is improved, the connection process is ensured to be stable and reliable, the loosening problem caused by vibration or impact in the flight process is avoided, the flight safety and reliability are improved, and the accuracy and stability of electric connection are ensured.

The utility model provides an aircraft and automobile arm folding mechanism, and relates to the field of aircraft and automobile arms, the aircraft and automobile arm folding mechanism comprises a fixed seat, the front side and the back side of the fixed seat are fixedly connected with storage seats, the fixed seat and the storage seats are arranged at the top of an automobile body, and an arm body is arranged in an inner cavity of each storage seat; the aircraft arm can be stored and stored through the storage seat, the aircraft arm body is matched with the blades to facilitate flying operation of the hovercar, the threaded rod is driven to rotate through the output shaft of the double-shaft motor, and the threaded rod and the sleeve plate are in threaded connection, so that the threaded rod drives the sleeve plate to move towards one side; the sleeve plate can drive the connecting rod to move towards one side, the T-shaped block can be driven to move through the connecting rod, the T-shaped block pulls the arm body to gradually get close to the storage base till the arm body enters the storage base, and therefore folding storage of the arm body is achieved, full-process automatic folding is achieved, time and labor are saved, and using convenience is improved.

The invention relates to an unmanned aerial vehicle rotor wing protection device and an unmanned aerial vehicle. The unmanned aerial vehicle rotor wing protection device comprises a protection cylinder and an air inlet adjusting assembly. The two ends of the protection cylinder are provided with communicating openings, the protection cylinder is used for being installed at a rotor wing of the unmanned aerial vehicle, and the rotor wing is located in the protection cylinder. An air inlet adjusting assembly is arranged at one end of the protection barrel, an air inlet channel is formed in the protection barrel, airflow in the protection barrel can enter the air inlet channel, the air inlet adjusting assembly communicates with the air inlet channel, and the air inlet adjusting assembly can stretch out and draw back under the action of air pressure so that the size of an opening in one end of the protection barrel can be adjusted. Airflow generated by the rotor wings is used as power to push the air inlet adjusting assembly to stretch out and draw back, then the size of an opening in one end of the protection barrel is adjusted, the lift force of all the rotor wings in the unmanned aerial vehicle can be adjusted, distribution of the lift force can be adjusted, the unmanned aerial vehicle obtains better flight stability, steering control is improved, and the unmanned aerial vehicle is more stable. And the unmanned aerial vehicle can conveniently fly under the condition of complex crosswind.