56results about How to "Shorten the gliding distance" patented technology

The embodiment of the invention provides an input method of a terminal, comprising the steps that a contact clicks a push-button input character in a virtual mother keyboard of a touch screen; the screen pops up a sub-keyboard corresponding to a push-button; and the contact slides on the sub-keyboard and selects a subsequently input character, wherein if the contact departs from the touch screen, the sub-keyboard disappears and the screen outputs a character string or a word corresponding to the character string input by a user. The invention further provides a terminal keyboard and a mobile terminal including the keyboard. According to the scheme provided by the invention, through providing the push-button which is popped up to possibly input in the next step based on a context for the user to slide, select and input, during one whole input process, the contact does not need to depart from the touch screen to effectively input the desired character. By adopting the technical scheme provided by the invention, the user can reduce the clicking times and shorten the sliding distance during inputting, at the same time can effectively reduce the probability of error input according to the prompting of the popped sub-keyboard, therefore the user operation is convenient and the inputting speed and accuracy of the user can be increased obviously.

The invention discloses a dynamic display system of a pinyin gliding input keyboard and a display method thereof in the technical field of computer application. The system comprises an input module, a keyboard layout generating module, a keyboard layout display module and a popup window display module, wherein the input module consists of a small-size touch input device and an input unit. Compared with the traditional QWERT keyboard, the keyboard has simple and exquisite arrangement and complete function and greatly reduces the gliding distance during input. Moreover, the problem of shading ascreen by fingers in touch screen input is effectively solved through a small view displayed on the upper part of the keyboard.

The invention relates to a slide sway type stereoscopic garage with shear forks. The slide sway type stereoscopic garage is characterized in that a track trolley is mounted onto tracks in a slidably connected manner, a portal frame is fixedly connected onto the track trolley, the track trolley is fixedly connected with one end of a first connecting rod of each shear fork by a first hinge support, the other end of each first connecting rod is connected with a rotary disc bracket by a third hinge support, one end of a second connecting rod of each shear fork is connected with a ground pulley by a second hinge support, the other end of each second connecting rod is connected with the rotary disc bracket by a slide hinge support, and an automobile pallet with a rotary disc mechanism is mounted on the rotary disc bracket, and the rotary disc bracket is timely meshed and connected with the portal frame by electromagnetic pins; a hoisting motor is mounted on the portal frame and can synchronously drive two winding drums, a steel wire rope is wound on the winding drums, the other end of the steel wire rope is connected with the rotary disc bracket, and the shear forks can be pulled, so that the automobile pallet can ascend or descend. The slide sway type stereoscopic garage has the advantage that problems of unreasonable stress structures of suspension arms, interference due to upright columns and perpendicular rope chains and the like can be solved by the aid of the slide sway type stereoscopic garage.

The invention provides an electrically powered wheelchair brake control system which is suitable for the technical field of wheelchairs. The electrically powered wheelchair brake control system comprises a signal detection module, a forward control module, a reverse control module and a motor driving module, wherein the signal detection module is used for detecting shifting force and a loosening state of a controller and transmitting a force signal; the controller is connected with a first loop circuit, a second loop circuit and the signal detection module through a control chip, the first loop circuit is used for controlling output of a forward voltage signal, and the second loop circuit is used for controlling output of a reverse voltage signal; the forward control module is used for outputting a high level as a control signal for forward rotation according to the force signal; the reverse control module is used for outputting a low level as a control signal for reverse rotation when the controller is loosened or is shifted; the motor driving module is used for driving a motor to perform forward rotation or reverse rotation. The invention further provides an electrically powered wheelchair. Therefore, the brake is more efficient, and certain sliding distance after braking is shortened.

The invention is concerned with an auto-control method for preventing from urgent braking and pressing accelerator pedal mistakenly belonging to auto-control technology field. The testable electromagnetism valve sets on the upriver side of throttle for step and sends the pressure different of fuel to the upper and lower steam of the valve to the pressure intake port of pressure different sensor. The pressure different of flow changes into electric signal of flow pressure different by the sense organ in the sensor and sends to the intake end of signal processor. Set criterion of urgent braking and pressing accelerator pedal mistakenly as the determinant threshold value according to vehicle's type in the signal processor, and the signal processor will judge and estimate according to the instantaneous flow to fuel. When it judges the mistake of braking, it will send braking order to controller to close the testable electromagnetism valve and cut off the fuel through electronic switch, at the same time, the electric pushing pole drives the car to stop to avoid traffic accident.

The invention relates to a vertical shears-fork type yielding-free stereo garage which comprises shears-fork mechanisms on the two sides of a parking space. The rear end of the parking space is provided with a four-stand-column portal frame. A winding plant on the four-stand-column portal frame pulls and lifts a rotary disk bracket through a steel rope, and therefore an automobile tray can ascend and descend. A small rail car is arranged below the four-stand-column portal frame. A small rail car motor driving mechanism horizontally moves on a rail. The shears-fork mechanisms are provided with ground pulleys. The rotary disk bracket is arranged on the upper portion. The automobile tray is attached to the upper portion of the rotary disk bracket. The rotary disk bracket and the portal frame achieve locked protection through an electromagnetic pin. By means of the vertical shears-fork type yielding-free stereo garage, stereoscopic parking can be achieved in two layers of stereo garages in the mode that the bottom layer of stereo garage can be free of yielding, structure stress is relatively reasonable, a hoist rope chain system or a hydraulic system can be used as a driving source, various power sources can be provided, interference is not likely to be formed, and vertical shears-fork type yielding-free stereo garage is safe and reliable.

The invention discloses a side overturning crash cushioning device of a passenger car and an application method thereof. The technical scheme of the invention is as follows: a sensor, a receiver, a window buckle switch, a lock pin switch, a window net, a lock pin, an internal pad, an external pad and a clamping hole are arranged at the corresponding parts of the passenger car. When the wheels at one side of the passenger car are wholly hung in the air and about to overturn, a sensing signal is sent to the receiver by the sensor; then the related devices are started by the receiver; the window net is opened so as to protect passengers in the passenger car so that the bodies of passengers, particularly the heads, are protected to prevent direct collision with the ground; and meanwhile, the external pad at the top of the passenger car is popped up and contacted with the ground when the passenger car overturns so as to greatly reduce the impact force between the body of the passenger car and the ground and increase the friction between the body of the passenger car and the ground, so that the body of the overturned passenger car slides for a shorter distance. Through the invention, the shortcomings of the similar technology at prevent are overcome; and the technical design of the invention reaches the advanced international standards.

The invention provides a method for reducing sliding distance of an airplane during landing and taking off, which belongs to the technical field of aircraft carriers. The method comprises a conveying belt, a sub haulage cable, an anti-backing roller and wall and a haulage cable; and scheme is as follows: (1) the airplane is started and accelerated together with the conveying belt on the conveying belt, the conveying belt moves reversely, the pulling cable is separated from the airplane while the pull force of the pulling cable reaches 0.1-1000 N, and the airplane rushes out of the conveying belt to take off; and (2) after the airplane lands on or slides to the conveying belt reverse to the airplane operation direction, the airplane engine is stopped and the conveying belt is decelerated until parking, and then the airplane lands successfully. The method provided by the invention, which is a novel takeoff and landing mode, is superior to the traditional airplane takeoff and landing mode and especially suitable for carrier on the aircraft carrier to take off; the sliding distance of the airplane during taking off and landing can be reduced; the airplane can directly take off or land on the conveying belt under the circumstance that the airplane performance and pilot physical fitness permits; and the method also has the characteristics of low manufacturing cost, simplicity for manufacturing, less energy consumption and simplicity in operation.

The invention particularly relates to a full-automatic water-saving buttocks-splash-proof squatting and sitting dual-purpose toilet WC pan which comprises a water tank, a urinal, a flushing pipeline and a blowdown pipeline. The rear of the water tank is directly communicated with a running water pipe, the urinal is a squat toilet urinal, the flushing pipeline comprises a flushing water ring, a flushing water pipe and a spraying water pipe, and the blowdown pipeline comprises an S-shaped blowdown pipe. The urinal is provided with a cushion, a casing is arranged around the urinal, two side portions of the casing serve as pedals, the front end of the cushion is supported on a front baffle of the urinal, the rear end of the cushion is hinged to the casing at the rear of the urinal through a rotating shaft, a bottom wall of the urinal is inclined from front to rear downwards, a blowdown opening is arranged at the rear end of the urinal to be communicated with the S-shaped blowdown pipe, the flushing water ring surrounds the urinal, flushing water holes are evenly formed in the upper portion of the flushing water ring, and the flushing water pipe and the spraying water pipe are led out of the water tank, the other end of the flushing water pipe is communicated with the flushing water ring, the other end of the spraying water pipe is respectively communicated with a first spraying port and a second spraying port, a check valve is arranged at the position of a blowdown outlet of the S-shaped blowdown pipe, and an infrared sensor control switch is installed between the flushing water pipe and the spraying water pipe. The full-automatic water-saving buttocks-splash-proof squatting and sitting dual-purpose toilet WC pan is wide in applied range, integrates squatting and sitting, conforms to the Chinese's use characteristics, performs flushing automatically, is excellent in performance, saves water, performs flushing cleanly and cannot blocked easily.

The invention relates to a ferry spaceship, and the airship comprises a main body; the main body comprises a hull, wings, an empennage and a driving unit, the hull is installed on the lower portion of a deck, and the two side faces of the hull are symmetrically arranged on the deck; two wings are respectively mounted on two sides of the middle part of the hull, and the two wings are symmetrically arranged along the hull; the empennage comprises a horizontal empennage and a V-shaped empennage, the horizontal empennage is mounted at the tail of the deck, and the V-shaped empennage is mounted at the tail of the hull. The airship has the advantages that the design of the double-buoy spaceship body is adopted, and the transverse stability of the ferry spaceship is greatly improved. The hydrofoils provide hydrodynamic lift force for water surface sliding of the ferry spaceship, the take-off speed and the sliding distance are reduced, and the power needed by an engine is reduced. Through the design of the ferry airship, the defects that a seaplane is low in navigational speed and voyage can be overcome, and the seaplane has a wider application range.

The invention relates to the technical field of unmanned aerial vehicles, in particular to a petroleum pipeline online overhaul unmanned aerial vehicle, which comprises a case, a landing mechanism, anascending and descending mechanism, a marking mechanism, a fixing mechanism, a camera, a protection mechanism, a position limiting mechanism, an illumination mechanism, rolling balls and a compression mechanism, wherein one end of the case is provided with the illumination mechanism. During the flight inside a petroleum pipeline, the illumination mechanism illuminates the inside of the petroleumpipeline; cracks inside the petroleum pipeline can be conveniently observed; the repair can be timely performed; the protection mechanism is arranged on the top end of the camera; petroleum on the inside top end of the petroleum pipeline drips and falls onto the transparent protection mechanism; the petroleum is prevented from dripping onto the camera; the inside of the petroleum pipeline can be conveniently checked by using the camera; the landing mechanism is arranged at the bottom end of the case; in the landing process of the unmanned aerial vehicle, the landing mechanism achieves the buffer effect, the unmanned aerial vehicle is prevented from being damaged in the landing process; the landing mechanism is in contact with the ground, so that the friction between the landing mechanism and the ground is increased; the sliding distance of the unmanned aerial vehicle is reduced.

The invention relates to an emergent brake retarding assistant device comprising a round arcuate sucking disk shell. A sucking disk is arranged below the sucking disk shell and the center of the sucking disk is connected with a vertical shaft; the shaft body of the vertical shaft is sleeved with a spring, and after the shaft body above the spring passes through a centre hole of the sucking disk shell, the shaft end of the sucking disk shell is hinged with a rotary evacuated cam which is provided with a handle; and the surface wall of the sucking disk shell is moveably provided with a mandril capable of overturning relative to the handle of the evacuation cam and fixedly provided with a plurality of elastic traction tendons. As an auxiliary brake device of the traditional vehicle, when the vehicles encounter the emergency and need to be braked, drivers can manually pull a control button while jamming a main brake by foot, thus the retarding assistant device can fall on the ground in time and is actuated with the ground; in addition, the vehicles are stopped moving forwards by dint of the tension force of the traction tendons, thus the sliding distance of the vehicles can be effectively shortened.

The invention relates to the field of petroleum pipeline maintenance, in particular to a petroleum pipeline maintenance method. The method comprises the following steps that petroleum in a petroleum pipeline is emptied; a maintenance unmanned aerial vehicle is put into the petroleum pipeline; a camera and a marking mechanism used for marking leakage points are carried by the unmanned aerial vehicle; an examiner observes the interior of the petroleum pipeline according to the camera, when the examiner finds a leakage point, the examiner controls the marking mechanism to eject paint to the leakage point to mark the leakage point, and therefore the examiner can observe the leakage point from the outside; after maintenance is completed, the examiner holds an ultraviolet light emitter by hand to search for the marked leakage points along the petroleum pipeline; the examiner marks the leakage points from the outside; and then a maintainer maintains the leakage points according to marks of the examiner. According to the petroleum pipeline maintenance method, the petroleum pipeline is maintained through the interior of the petroleum pipeline, interference of the external environment to themaintenance work can be avoided, and the maintenance efficiency is greatly improved.

The invention belongs to the technical field of steel structure buildings, and particularly relates to an integrated floor slab. The integrated floor slab comprises a first floor slab body, a second floor slab body, installation plates and a damping and sound attenuation mechanism; the installation plate is fixedly connected to the lower surface of the first floor slab body; the installation plateis fixedly connected to the upper surface of the second floor slab body; the damping and sound attenuation mechanism is arranged between the installation plates; the damping and sound attenuation mechanism comprises a flexible metal plate, sound insulation cotton, sliding slots and sliding blocks; the flexible metal plate is in a wave shape and arranged between the installation plates, the interior of the flexible metal plate is uniformly filled with the sound insulation cotton, and the sliding blocks are fixedly connected to the wave-shaped convex positions of the flexible metal plate; the sliding blocks are slidably connected into the sliding slots; and the sliding slots are uniformly formed in the inner walls of the installation plates in a staggered mode. The integrated floor slab ismainly used for solving the problems that foot fatigue of dance practicing personnel is prone to being caused by floor slabs of the prior art, a base plate is greatly damaged, and meanwhile, work of other companies is affected by poor sound insulation effect.

The invention belongs to the field of automobile accessories, and particularly relates to a fender. The fender comprises an arc-shaped outer board, wherein the arc-shaped outer board is movably provided with an arc-shaped inner board; the thickness of the arc-shaped inner board is reduced in sequence from top to bottom; the inner wall of the arc-shaped inner board is provided with a plurality of rubber buffer strips; the plurality of rubber buffer strips are independently provided with an arc-shaped structure, and the widths of the plurality of rubber buffer strips are reduced in sequence fromtop to bottom; the vertical direction of the outer wall of the arc-shaped inner board is provided with a plurality of diversion trenches which are positioned in the rubber buffer strips; the bottom end walls of the plurality of rubber buffer strips are independently provided with a corrugated clamping groove; and a buffer gap between the arc-shaped outer board and the arc-shaped inner board is increased in sequence from top to bottom. Therefore, the impact force of broken stones for the arc-shaped outer board and the arc-shaped inner board is reduced, meanwhile, the sliding distances of broken stones or sharp sundries in the arc-shaped inner board can be reduced, and the reduction of the sliding distances of broken stones or sharp sundries in the arc-shaped inner board is favorable for cleaning the arc-shaped outer board and the arc-shaped inner board.

The invention discloses a high-efficiency cam brake device belonging to the technical field of vehicle brake devices. A cam is arranged on an axle, more than three protrusions are uniformly distributed on the circumferential direction of the outer surface of the cam body, a shaft sleeve is arranged outside the cam, the inner surface of the shaft sleeve is fixedly provided with a friction body with a circumferential concave-convex surface, the outer diameter of the cam is smaller than the inner diameter of the friction body, the outer surface of the shaft sleeve is fixedly provided with a guide bar in a radial direction, the outer end of the guide bar is fixedly provided with a spring guide bar sleeved with a spring, and the spring extends out of the spring guide bar and tightly supports against one end of a brake transmission mechanism in the range of the spring guide bar length. The invention has the beneficial effect that an eccentric friction brake mode is adopted: the eccentric friction body is sleeved on the cam shaft, the protrusions on the cam shaft are elastically combined with the concave-convex part on the friction body so as to realize braking, and the eccentric braking has a good braking effect like that of point braking and cannot lead to braking locking, so that better vehicle running safety is achieved; and the high-efficiency cam brake device is suitable for braking systems of various vehicles and other actuating units.

The invention discloses an unmanned aerial vehicle retractable type ski recovery device. The unmanned aerial vehicle retractable type ski recovery device comprises that a front shrinking cylinder is installed inside a belly of a machine body, the top end of a front shock absorber is fixedly installed at the bottom of the front shrinking cylinder and the bottom end of the shock absorber is installed on a front sliding block through a hanging lug and a connecting bolt, the front sliding block is installed in a guide groove of a front sliding seat, and the front sliding seat is installed on a front sliding seat base. An electromagnetic switch is installed on the bottom face of the belly of the machine body, and the electromagnetic switch is located right above a suction cup. A rear shrinkingcylinder is installed in a belly of the machine body, the top end of a rear shock absorber is fixedly installed at the bottom of the rear shirking cylinder and the bottom end of the rear shock absorber is installed on a rear sliding block through a hanging lug and a connecting bolt, and metal ploughs are installed on the outside of two sides of the rear end of a ski. The unmanned aerial vehicle retractable type ski recovery device is simple in structure and realizable in separation, and can obtain good landing buffering performance; a replaceable wear resistant layer is installed on the frontpart of the ski to effectively protect a ski body structure; and the metal ploughs are installed on the rear portion of the ski to play the role of stable guidance and deceleration.

A warship landing stopping device is mainly composed of a left sliding block 1, a right sliding block 2, a left damping pipe cylinder 5, a right damping pipe cylinder 6, a sliding air return pipe 7, a sliding air return pipe regulating valve 10 and the like. Two ends of a stopping cable 15 are respectively connected with a left rope winding device 3 inside the left sliding block 1 and a right rope winding device 4 inside the right sliding block 2. After an airplane is landed on a warship, the stopping cable 15 is hooked by a tail hook to push the left sliding block 1 and the right sliding block 2 to respectively obtain gradually-increased and changed resistance in the left damping pipe cylinder 5 and the right damping pipe cylinder 6 to slide forwards, the airplane is decelerated and stopped, therefore purposes of simplicity, convenience and practicality are achieved, factors restricting aircraft carrier and airport design manufacture are reduced, and more functions of a naval vessel and an airport are explored.

A brake inertia preventer of a motor vehicle belongs to general vehicles of communications and transportation divided according to an international patent classification table (IPC) so as to prevent slip phenomenon caused by forward sliding because of inertia or unenough climbing power of vehicles on the slippery ground with rain and snow after the vehicles are braked in emergency in critical situations. The device mainly comprises a button switch (1), a controller (2), a battery cell (3), a direct current motor (4), a travel switch (5), a speed reducer (6), a transmission shaft (7), a bearing (8), a wheel disc (9), a conveyer belt (10), a rubber body (11) and the like. The battery cell (3) supplies power to the direct current motor (4); the direct current motor (4) drives the speed reducer (6) to rotate; the speed reducer (6) drives the wheel disc (9); the wheel disc (9) rotates and lifts in positive and negative directions or drops off on the rubber body (11), and the travel switch (5) controls the wheel disc to rotate to the upper and lower limits. The brake inertia preventer of the motor vehicle is applied to driving safety of various motor vehicles. The device has wide use and high safety performance, and can effectively reduce the inertia distance after the vehicle is braked in emergency at high speed.

The invention discloses an embracing wheel mechanism of a towbarless aircraft tow tractor. The embracing wheel mechanism comprises a platform, main arms, a transverse rod, auxiliary hydraulic cylinders, auxiliary connecting rods, a lock catch, a turntable, main connecting rods, telescopic arms, rear bumpers and jacking hydraulic cylinders. The turntable is arranged on the platform; the lock catch is arranged on the turntable; the transverse rod is arranged on the upper side of the front of the platform; the front ends of the auxiliary connecting rods sleeve two sides of the transverse rod, and the rear ends of the auxiliary connecting rods are hinged to two sides of the front end of the platform; the two main arms are parallelly arranged on two sides of the platform, and the front ends of the main arms are respectively hinged to two ends of the transverse rod; the fronts of the two telescopic arms are respectively inserted in the rears of the two main arms; the front ends of cylinder bodies on the two auxiliary hydraulic cylinders are hinged to a tow tractor by connecting shafts, and the outer ends of push rods are connected to the two sides of the front end of the platform; the upper portions of the two main connecting rods are hinged onto the telescopic arms, and the lower ends of the main connecting rods are hinged to the rear end of the platform. The embracing wheel mechanism has the advantages that traction management and control can be integrated with each other in airfields, the embracing wheel mechanism is optimized, and accordingly the tow tractor and an aircraft can be integrally connected with each other; the tow tractor can be maneuvered by pilots, and the sliding distances of the aircraft on the ground can be shortened to a great extent.

The invention discloses a mechanical friction and hydraulic transmission collection type stepless speed change device. A reset spring sleeves an input rotating shaft; a sleeve pipe sleeves an input rotating shaft portion through a spline, wherein the input rotating shaft portion is located in front of the reset spring; the front end of the rest spring is fixed at the rear end of the sleeve pipe; the rear end of the reset spring is fixed on the inner side of a rear end cover; a front section of the sleeve pipe is provided with an input friction part and an input pump blade; a rear section of the sleeve pipe is provided with a pressure-bearing bearing; an annular hydraulic jack or an annular hydraulic capsule sleeves the reset spring; an output friction part and an output pump blade are fixed on an output rotating shaft; a flexible friction part is clamped between the input friction part and the output friction part; the machine oil is arranged in a housing; a front end cover and the rear end cover are provided with a plurality of small holes respectively; a front cover covers on the front end cover; a rear cover covers on the rear end cover; an oil pipe which is connected out of the front cover is connected onto a cooling oil tank through an output electric regulating oil valve; the oil pipe which is connected out of the cooling oil tank is connected onto the rear cover through an input electric regulating oil valve; the machine oil in the cooling oil tank is cooled through an air cooling or water cooling mechanism.

The invention discloses an embracing wheel mechanism of a towbarless aircraft tow tractor. The embracing wheel mechanism comprises a platform, main arms, a transverse rod, auxiliary hydraulic cylinders, auxiliary connecting rods, a lock catch, a turntable, main connecting rods, telescopic arms, rear bumpers and jacking hydraulic cylinders. The turntable is arranged on the platform; the lock catch is arranged on the turntable; the transverse rod is arranged on the upper side of the front of the platform; the front ends of the auxiliary connecting rods sleeve two sides of the transverse rod, and the rear ends of the auxiliary connecting rods are hinged to two sides of the front end of the platform; the two main arms are parallelly arranged on two sides of the platform, and the front ends of the main arms are respectively hinged to two ends of the transverse rod; the fronts of the two telescopic arms are respectively inserted in the rears of the two main arms; the front ends of cylinder bodies on the two auxiliary hydraulic cylinders are hinged to a tow tractor by connecting shafts, and the outer ends of push rods are connected to the two sides of the front end of the platform; the upper portions of the two main connecting rods are hinged onto the telescopic arms, and the lower ends of the main connecting rods are hinged to the rear end of the platform. The embracing wheel mechanism has the advantages that traction management and control can be integrated with each other in airfields, the embracing wheel mechanism is optimized, and accordingly the tow tractor and an aircraft can be integrally connected with each other; the tow tractor can be maneuvered by pilots, and the sliding distances of the aircraft on the ground can be shortened to a great extent.

The invention relates to an auxiliary safety device of an airport, in particular to a soft collision device capable of shortening plane landfall skidding distance. A safety device capable of shortening the plane landfall skidding distance is characterized in that a plurality of groups of front and rear rectangular frameworks composed of upright posts (2) on two sides and cross tube water tanks (3) on the upper side are arranged on a landing runway for a plane (1) at the airport, and a great quantity of water pores (3a) are formed in the lower walls of the cross tube water tanks (3), water is filled in the cross tube tanks (3); water collecting tanks (6) are formed in terrace at the lower parts of the frameworks; water in the water collecting tanks (6) is conveyed to the cross tube water tanks (3) on the upper side by pipelines (4) and a water pump after being filtered and cleaned; and the pressure water pump conveys pressure water to the cross tube water tanks (3). The auxiliary safety device is reasonable in structure, low in cost and convenient to use, improves the capability of the airport in coping with plane accidents, shortens the plane landfall skidding distance, has important significance as spare runway safety equipment, and is suitable for the occasions of mountainous areas limited by natural conditions.

The invention discloses a dynamic display system of a pinyin gliding input keyboard and a display method thereof in the technical field of computer application. The system comprises an input module, a keyboard layout generating module, a keyboard layout display module and a popup window display module, wherein the input module consists of a small-size touch input device and an input unit. Compared with the traditional QWERT keyboard, the keyboard has simple and exquisite arrangement and complete function and greatly reduces the gliding distance during input. Moreover, the problem of shading ascreen by fingers in touch screen input is effectively solved through a small view displayed on the upper part of the keyboard.

The invention discloses a flying and landing retardance runway, which comprises runway strips, driving devices, a runway deck and a buffer block, wherein one runway strip and two driving devices construct a single group of moving runway; a plurality of single groups of moving runways construct multiple groups of runway strip devices; and the runway strips in the multiple groups of runway strip devices are connected in sequence, so that a suitable retardance runway is constructed. During landing of a plane, the runway surface running direction of each runway strip on each group of runway strip device is opposite to the landing direction of the plane, and the sliding distance of the plane is retarded during landing, so that factors constraining the design and manufacturing of aircraft carriers and airports are reduced, more functions of naval vessels and airports are developed, and maximum results are achieved with little effort on the aspect of landing and take-off of planes.

The invention discloses a landing method for flameout of an air engine of a large freight unmanned aerial vehicle, and the method comprises the following steps: planning an air route, planning the flight path of the unmanned aerial vehicle, and selecting the shortest flight path, so that the oil consumption of the unmanned aerial vehicle can be reduced, and the unmanned aerial vehicle can fly for multiple times; carrying out flight planning, wherein the unmanned aerial vehicle flies on a preset route during use; and carrying out forced landing planning: after the engine of the unmanned aerial vehicle flames out, carrying out emergency forced landing on the unmanned aerial vehicle. A plurality of landing preparation sites are bound in advance, then after an air engine flames out, the optimal landing site is selected for landing according to the current flight height, speed and distance, in this way, it can be ensured that the unmanned aerial vehicle can select the emergency landing site closest to the unmanned aerial vehicle for emergency landing in the emergency state, and therefore safe landing of the unmanned aerial vehicle is improved; and meanwhile, the forced landing point is set in advance, the forced landing environment is high in controllability, and the problem that the unmanned aerial vehicle is difficult to land due to the complex environment during forced landing can be solved.

The invention provides an arresting gear and a vehicle comprising the arresting gear. The arresting gear comprises arresting blocks and connecting devices adjusting the positions of the arresting blocks. One arresting block is arranged in front of a tire, a person falling down in front of the tire is prevented from being rolled or bruised, and harm to the fallen person is reduced; and the other arresting block is arranged behind the tire, people are prevented from falling down behind the tire, and rolling or bruises the fallen person can be reduced. The area of the cross section of each arresting block in the vertical direction is gradually enlarged from top to bottom, and through the arrangement, when people fall down, the fallen person is prevented from getting down the tire and prevented from being rolled; and when the vehicle travels forward, the arresting blocks are moved to the positions near the tire through the connecting devices, when an accident happens, the fallen person collides with the corresponding arresting block, the corresponding arresting block prevents the person from getting down the tire, a driver can control the corresponding arresting block to descend to make contact with the ground, the sliding distance is reduced, sliding time is shortened, and it is guaranteed that the life of the fallen person is not harmed to the maximum degree.

The invention discloses a motor-controlled linear control brake device for an unmanned vehicle. The motor-controlled linear control brake device comprises a servo assembly, a linear motion assembly, apiston pump, a pressure transmitter, a pedal assembly and a push rod module, wherein the servo assembly is connected with the linear motion assembly, the linear motion assembly is connected with thepiston pump through a tension part and a force receiving part, the piston pump is in communication with the pressure transmitter, the piston pump is connected with the push rod module through the pedal assembly, and the push rod module is used for emergency braking. According to the motor-controlled linear control brake device, emergency braking can be realized, refitting is convenient, and the braking sliding distance is shortened.

Provided is a jet aircraft with a parachute for teenager defense-related science and technology research. The model comprises an aircraft body, a right empennage, a left empennage, a folding type left wing, a folding type right wing, a turbine engine, a blade fan, a right undercarriage, a left undercarriage, a right deck landing wheel, a left deck landing wheel, the parachute, an empennage, a cabin platform, a deck and a vessel body. A parachute device is arranged on the jet aircraft to ensure that the jet aircraft can make a return voyage and perform deck landing correctly, air friction and a sprinting speed during aircraft landing are effectively reduced, thus the jet aircraft is assisted to complete a voyage returning task on an aircraft carrier better and more safely, and the precision degree and safety performance of jet aircraft deck landing are greatly improved. The jet aircraft with a parachute for teenager defense-related science and technology research serves as an army model of teenager defense-related science and technology research, and not only provides a solution and design concept for the problem that aircraft carrier carrier aircraft of our country perform deck landing difficultly, but also has the effect of expanding teenager thinking and motivating innovative ideas for China aircraft carrier novel fighting aircraft design and patriotism of teenagers.