73results about How to "Achieve jetting" patented technology

The invention aims at providing a water jet propulsion device of a triangle rotor. The water jet propulsion device comprises a shell, a triangle rotor body, a driving gear and a driven gear. The triangle rotor body is arranged in the shell, the three angles of the triangle rotor body make contact with the inner wall of the shell, the driven gear is arranged in the triangle rotor body and fixed to the triangle rotor body, teeth of the driven gear are located on the inner wall of the driven gear, the driving gear is fixed to a transmission shaft, teeth of the driving gear are located on the outer wall of the driving gear, the driving gear and the driven gear are engaged, a water inlet and a water outlet are formed in one side of the lower end of the shell, a filter is connected with the water inlet, the water outlet is connected with a jet pipe, the jet pipe is fixedly connected with a steering device, and a jet opening is connected with the steering device through a bearing. Water currents can be pressurized in the electric energy-mechanical energy one-time energy conversion process, energy losses are effectively reduced, the propulsion efficiency is improved, and energy output of a main machine is saved.

The invention provides a sunproof mist spraying and cooling device. The device includes an umbrella body and a spray bottle, the umbrella body is provided with an umbrella surface, an umbrella framework and an umbrella rod, and the spray bottle is installed on the upper portion of the umbrella rod; a fixing structure is arranged on the upper portion of the umbrella rod and provided with a bearingsurface and a clamping protrusion, the bearing surface is inserted on the umbrella rod and slidingly connected with the umbrella rod, and the clamping protrusion is arranged at one end of the bearingsurface and clamps the bottom of the spray bottle along with the umbrella rod as the bearing surface slides out from the umbrella rod; a pressure pushing piece and a sliding drive device are arrangedabove the fixing structure; the pressure pushing piece is slidingly installed on the umbrella rod, and one end of the pressure pushing piece is positioned on the outer side of the umbrella rod and located above the top of the spray bottle or is in contact with the top of the spray bottle; the other end of the pressure pushing piece is located on the outer side of the umbrella rod or in the umbrella rod and connected with the sliding drive device; the sliding drive device is installed on the umbrella rod and drives the pressure pushing piece to slide towards the fixing structure to press the spray bottle. By utilizing a mist spray principle design of the spray bottle, a sunshade umbrella achieves a mist spray function.

The invention discloses an optical signal emission system for multi-person multi-formation real person group battle simulation. The optical signal emission system is matched with a waistcoat signal receiving system and connected with a battlefield supply module in a communication mode; the optical signal emission system comprises a central processor, a first optical signal emission unit and an optical signal receiving unit, wherein the central processor is connected with the first optical signal emission unit and the optical signal receiving unit in a communication mode respectively. The optical signal emission system is provided with a second emission system, so that a function of adding a grenade on the basis of a submachellone gun is realized. The optical signal emission system has a verisimilar function of changing cartridge holders, and is more real due to change of cartridge holders A and B. A function of simulating shooting sparks is realized in a gun barrel, so that sparks are emitted from a muzzle during use. The optical signal emission system has a function of supplementing cartridges by a cartridge house arranged in a place.

The invention relates to a protective clothing performance test system and a using method thereof, and belongs to the field of protective clothing performance test. The system comprises a control device and an airtightness test device, the airtightness test device comprises an air inlet pipe and an air outlet pipe, the air inlet pipe is provided with an air pump for supplying air into protective clothing, an inlet valve group is arranged in an air supply pipe, a snuffle on-off valve is arranged in the air outlet pipe, a pressure sensor for detecting the internal air pressure in the protectiveclothing is arranged on the protective clothing to be tested, and the signal end of the pressure sensor and the controlled ends of the inlet valve group and the snuffle on-off valve are all connectedto the control device. The system and method have the advantages that the airtightness test device inflates the internal of the protective clothing, the pressure sensor detects the internal pressure of the protective clothing, and the airtightness of the protective clothing is determined according to a pressure difference.

The invention discloses a neurosurgical ultrasonic focusing-assisted three-stage atomization cooling and postoperative wound film forming device, which solves the problem that the skull base tumor removal device in the prior art cannot cool the grinding area and timely coat the wound It has the beneficial effect of timely coating. The scheme is as follows: a device for neurosurgical ultrasonic focusing-assisted three-stage atomization cooling and postoperative wound film formation, a transducer shell, and a variable amplitude set inside the transducer shell At least two layers of piezoelectric ceramic sheets II are arranged on the top of the horn II, and an electrode sheet connected to the ultrasonic generator is arranged between two adjacent layers of piezoelectric ceramic sheets II. The bottom of the transducer shell has a hemispherical structure. The inner side of the spherical structure is provided with a plurality of piezoelectric elements connected to the ultrasonic generator; the nozzle is located at the bottom of the horn II, the nozzle is connected to the medical nanofluid storage cup, and compressed gas can also be passed into the nozzle, and the nozzle Electrodes are also provided inside.

External adjustment steps applied beyond a controller to increase actual power relative to design power in a gas engine is known, such as using an additional apparatus. In order to recognize the external adjustment steps, offset between an actual power parameter (32) and a nominal power parameter (34) provided by the controller is proposed to be analysed and processed.

The invention discloses a large-flow compressed air and foam mixing device and relates to the technical field of compressed air and foam mixing devices. The large-flow compressed air and foam mixing device solves the problem that because existing air-liquid mixing devices are simple in structure and air and liquid cannot be fully mixed when the flow of foam-mixed liquid is increased, the foaming quality is influenced. The large-flow compressed air and foam mixing device comprises a foam-mixed liquid nozzle. The foam-mixed liquid nozzle is connected with a mixing cavity, a conical turbulence device is arranged in the mixing cavity, the tail end of the conical turbulence device is connected with a secondary turbulence device, inner wall surface bosses are arranged on the inner side of the pipe wall of the mixing cavity, the arrangement length of the inner wall surface bosses on the inner wall surface of the mixing cavity is equal to the total length of the conical turbulence device and the secondary turbulence device, and air inlet pipes are uniformly arranged on the end surface, connected with the foam-mixed liquid nozzle, of the mixing cavity.

The invention relates to the technical field of environmental protection equipment, in particular to whitening agent injection equipment used for afforestation tree root protection. The whitening agent injection equipment comprises a base, a machine body, a push handle, a stirring mechanism and an injection mechanism. The base is arranged in a horizontal state. Multiple universal wheels are arranged at the bottom of the base. The machine body is vertically arranged at the top of the base and is fixedly connected with the base. The push handle is arranged over the base and is fixedly connectedwith the middle of the machine body through a first fixed cover. A machine arm is hinged to the top of the machine body. The stirring mechanism is horizontally arranged on the outer wall of the machine arm and is fixedly connected with the outer wall of the machine arm. The injection mechanism is arranged at the end, away from the top of the machine body, of the machine arm. The machine body and the machine arm are each of a telescopic structure. The whitening agent injection equipment used for afforestation tree root protection is simple in use, convenient to carry and good in whitening effect, whitening agent manufacturing equipment can be arranged for whitening, and the problems that existing whitening equipment is thick and heavy and hard to carry and has no whitening agent manufacturing function are solved.

The invention discloses a system and method for synchronously measuring spraying macromorphology and microscope properties. The system comprises a constant-volume combustion device, a fuel supply system, an LED (light emitting diode) lamp, a high-speed camera, a digital delay generator and a phase Doppler particle analyzer, wherein the fuel supply system is provided with a controller; the constant-volume combustion device consists of a box body and a combustion projectile body; the combustion projectile body is provided with four observation holes in the shape like a through hole; the axial lines of the observation holes are on the same horizontal plane; the angle between the axial lines of the two observation holes is 180 degrees; the included angle between the axial lines of the other two observation holes is 160 degrees; an optical observation window is arranged in each observation hole; the constant-volume combustion device is communicated with the fuel supply system; the controller is connected with the digital delay generator; the digital delay generator is connected with the phase Doppler particle analyzer and the high-speed camera. By the measuring method using the measuring system, the goal of synchronously measuring the spraying macromorphology and the microscope properties in the constant-volume combustion device is realized.

The invention relates to the technical field of automation and robots and particularly relates to a full-automatic roof leakage finding and repairing robot which comprises a chassis driving platform, a microwave directional transmission module, an infrared temperature directional detection mechanism, a control and electrical driving mechanism, a leakage repairing mechanism and a power lithium battery, wherein the microwave directional transmission module comprises a microwave directional transmission device, a microwave directional transmission turntable, a microwave directional transmission mechanical arm, a microwave directional transmission stand and a microwave directional transmission servo motor. The invention also discloses a leakage finding and repairing method using the robot. By utilizing the principle that the temperature of microwaves rises after the microwaves are absorbed by objects, directional detection of leakage points of a roof is realized; the robot is simple in principle, skillful in mechanical coordination and low in overall manufacturing cost; the robot can automatically finish the leakage repairing work, so that the finding cost and leakage repairing cost of the leakage points are lowered; and the current problems of family property loss and even life safety endangering caused by leakage repairing because of leakage of the roof can be solved.

The invention discloses a system and a method for measuring spray micro-characteristics in a constant-volume combustion device. The system comprises the constant-volume combustion device, a fuel supply system, a digital delay generator and a phase Doppler particle analyzer, wherein the fuel supply system is provided with a controller; the constant-volume combustion device comprises a box and an incendiary bomb body, the incendiary bomb body is provided with four observation holes in through hole shapes, axes of the observation holes are located in the same horizontal plane, an angle between the axes of two observation holes is 180 degrees, an angle between the axes of the other two observation holes is 160 degrees, optical observation windows are mounted at the observation holes, and a connection hole communicated with the fuel supply system is arranged right in the upper part of the middle of the constant-volume combustion device; the controller is connected with the digital delay generator; an output end of the digital delay generator is connected with the phase Doppler particle analyzer. With adoption of the measurement method using the measurement system, the spray micro-characteristics can be measured in the constant-volume combustion device.

In the weft inserting nozzle with which straightening fins are arranged between a ring-shaped chamber and a nozzle, a plurality of straightening fins are arranged on the inner peripheral surface of a nozzle main body at intervals in the circumference direction and extended on the outer peripheral surface of a needle in the nozzle axis direction, the bottom of a straightening groove defined by the inner peripheral surface of the nozzle main body and the adjacent straightening fins is extended in the same direction as that of the generatrix of the inner peripheral surface of the nozzle main body and the side faces of the straightening fins are extended so that the central lines of the straightening fins have angles to the radial directions. A jet water flow having uniformity as a while is injected by the weft inserting nozzle of a water injection type. Diffusion after the injection is reduced to improve productivity of woven fabric.

The invention discloses a bridge connection type packer for testing crack caused by a hydraulic pressure of a minor-diameter rock. The bridge connection type packer comprises a double-loop installation rod joint, an upper packer, a connector with a spiracle, a lower packer and a lower plug which are connected tightly in order. The bridge connection type packer has the advantages that an in-situ test measuring scheme for the crack caused by the hydraulic pressure in a minor-diameter boring can be realized, the bridge connection type packer has specifications of phi30mm and phi39mm, the structure is simple, assembling is convenient, and the parts including the double-loop installation rod joint, the upper packer, the connector with the spiracle, the lower packer and the lower plug can be used to seal a test segment and spray high pressure liquid during measurement for the crack caused by the hydraulic pressure in the minor-diameter boring.

The invention discloses a sprayer, and belongs to the field of environment-friendly engineering machinery. The snow water sprayer is formed by a base (1), a spraying pipeline (2), a drying pipeline (3), a washing pipeline (4), a support device (5), an ice ball groove (6) and a cabin door (7). The base (1), the spraying pipeline (2), the drying pipeline (3), the washing pipeline (4) and the supportdevice (5) are installed in a sprayer cabin. The top of the sprayer cabin is provided with the cabin door (7). The ice ball groove (6) is installed outside the sprayer cabin. The snow water sprayer is specially used for a hot wind quick-freezing-type snow cleaning deicing vehicle, so a technical scheme of the hot wind quick-freezing-type snow cleaning deicing vehicle is more perfect.

The invention relates to a water injection device of an internal combustion engine, comprising a water tank (5) for storing water, a pump (3) for pumping the water, said pump (3) being arranged higherthan the water tank (5) and being connected to the water tank via a first line (7), a water injection valve (6) for injecting water, said valve being connected to the pump (3) via a second line (8),a drive (4) for driving the pump (3), and a control unit (10) which is designed to open the water injection valve (6) in order to suction water out of the water tank (5) to the pump (3) using a vacuumpresent in front of the water injection valve (6) when the lines and the pump are empty.

The invention relates to an ozone water treatment device for an aquaculture pond. The ozone water treatment device is characterized in that a submersible pump, a water inlet pipeline and a water inlet end of a jet device are sequentially communicated with one another, an ozone generator is communicated with a gas inlet end of the jet device, a water outlet end of the jet device is communicated with a water vapor mixing pipeline, the water vapor mixing pipeline is communicated with a water vapor delivery channel inside a cycloid travel mechanism, the cycloid travel mechanism downwardly extends to the bottom of the pond, an impeller is arranged at the lower end of the colloid travel mechanism and is coaxially fixedly connected with the colloid travel mechanism by a long axis which penetrates the colloid travel mechanism, and frictional force generated by blades and the bottom of the pond when the impeller rotates is used as driving force for the colloid travel mechanism; solar photovoltaic cell panels are used as power sources for the submersible pump, the colloid travel mechanism and a linear travel mechanism, and controllers, light sensors and temperature sensors are arranged on the solar photovoltaic cell panels. The ozone water treatment device has the advantages that dissolved oxygen content conditions of water can be judged by the controllers in real time according to temperature and illumination intensity data, and the submersible pump, the colloid travel mechanism and the linear travel mechanism can be automatically started by the controllers when the corresponding dissolved oxygen content of the water reaches set values.

The invention provides a high-viscosity fluid micro-jet dispensing device, the upper end of the driving mechanism is connected with the stroke and pre-pressure adjustment mechanism, the lower end is connected with the injection mechanism, the side of the injection mechanism is connected with the feeding mechanism, and a valve rod is arranged inside the injection mechanism And the spray head located at the lower end of the valve stem, the spray head includes a valve stem, a valve seat and a nozzle. When dispensing, the valve stem is separated from the valve seat under the action of the driving mechanism, and the fluid fills the gap formed by the valve stem leaving the valve seat under the action of the supply pressure, and then the compressed air is released, under the action of the stroke and preload adjustment mechanism The fluid around the valve stem and in the valve seat flows to the nozzle at a certain speed, and finally when the valve stem and the valve seat are completely in contact with each other, the fluid stops flowing to the nozzle, and the fluid flowing out of the nozzle is separated from the fluid in the valve seat to form droplets with a certain speed . The invention realizes the distribution of high-viscosity fluid materials, and has the advantages of non-contact, high precision, high reliability, low cost and the like.

The invention discloses a special snow water nozzle for a hot-air quick-freezing type snow removing and deicing vehicle and belongs to the field of environment-friendly engineering machinery. The snowwater nozzle is composed of a base (1), a spraying pipeline (2), a drying pipeline (3), a flushing pipeline (4), a supporting device (5), an ice ball groove (6) and a bin door (7), wherein the base (1), the spraying pipeline (2), the drying pipeline (3), the flushing pipeline (4) and the supporting device (5) are arranged in a nozzle bin; the bin door (7) is arranged at the top of the sprayer bin; the ice ball groove (6) is arranged outside the nozzle bin. According to the special snow water nozzle for the hot-air quick-freezing type snow removing and deicing vehicle, the technical scheme ofthe hot-air quick-freezing type snow removing and deicing vehicle is better.

The invention discloses a hydraulic self-driven anti-drag slime diluting and releasing device which is composed of a slime nozzle, a diluting and mixing cavity, a stirring rod and a releasing nozzle.The electromagnetic flowmeter is mounted on the water inlet pipe; the dilution mixing cavity is positioned at the rear part of the water inlet pipe; the diluting and mixing cavity and the release nozzle are connected into an integrated structure; the release nozzle is of a reducing section, wherein the stirring rod is located in the diluting and mixing cavity and connected to the diluting and mixing cavity through a bearing, the slime nozzle is fixed in a through hole in the front portion of the diluting and mixing cavity and is in interference fit with the through hole, and the slime nozzle is used for spraying resistance-reducing thick slime to be mixed and diluted with inflow water. The diluting and mixing cavity is self-driven by inflow water force to realize uniform mixing, the designof the stirring rod prevents the macromolecular chain of the drag reduction slime from being broken during stirring and mixing, and the drag reduction effect is lasting and effective. The anti-drag slime diluting and releasing device can realize dilution, blending and spraying of the anti-drag slime by sharing one diluting and blending cavity, is simple in structure and has relatively high engineering application value.

The invention belongs to the technical field of spraying equipment, and particularly relates to a multipurpose spraying device. The multipurpose spraying device comprises a base, wherein a hydraulic rod is fixedly mounted at the top of the base; a mounting block is fixedly mounted at the top end of the hydraulic rod; a cross rod is fixedly mounted at one side of the mounting block; a mounting frame is fixedly mounted at one end, away from the mounting block, of the cross rod; a fixing rod is fixedly mounted at one side of the mounting frame; a spraying mechanism is fixedly mounted at one end,away from the mounting frame, of the fixing rod; the spraying mechanism comprises a first guide pipe; and a four-way connector is fixedly mounted at one end, away from the mounting frame, of the firstguide pipe. The multipurpose spraying device can efficiently paint and spray cylinders of profile steels such as I-shaped steel with different sizes, so that the painting and spraying quality is guaranteed, waste of a paint is reduced, the painting and spraying efficiency and stability for an arc-shaped surface can be improved to a certain extent, and meanwhile, all-directional dead-angle-free spraying can be achieved on the whole cylinders by controlling the height.

The invention provides a medicine spraying device which comprises a medicine spray preparation system and an injection robot, wherein the medicine spray preparation system comprises a liquid medicine tank, an air compressor and an air injection pump; a liquid inlet of the air injection pump is communicated with the liquid medicine tank through a pipeline, and an air inlet of the air injection pump is communicated with the air compressor through a pipeline; the injection robot comprises a frame as well as a running device and an injection device which are arranged on the frame; and an air outlet of the air injection pump is communicated with an air inlet of a mixed gas main pipe through a hose, and an air outlet of the mixed gas main pipe is communicated with a liquid inlet of the injection device through a pipeline. In the medicine spraying device provided by the invention, the liquid medicine and air are mixed into a spray state through the air compressor and the air injection pump; the medicine spray preparation system and the robot are arranged separately, thereby relieving the robot load and facilitating technical operation; the medicine spraying operation can be automatically finished, and the medicine spray can be applied to grain in time; and the medicine spraying is uniform, and the medicine spraying effect is good.

The invention discloses a manufacturing method of a liquid injector head. The liquid injector head comprises a device body, an injection device arranged in the device body and a switching device arranged in the device body. The switching device comprises a first working cavity formed in the device body. A slide plate is connected into the first working cavity in a sliding fit mode. First springs are fixedly arranged on the right end surface of the slide plate and symmetric up and down, and the right ends of the first springs are fixedly connected with the right side end surface of the first working cavity. The right side end wall of the first working cavity communicates with a connecting rod cavity. A first connecting rod extending rightwards is fixedly arranged on the right end surface ofthe slide plate. A slide block connected with the connecting rod cavity in a sliding fit mode is fixedly arranged at the right end of the first connecting rod. An internal connecting groove with a rightward opening is formed in the slide block. First fixing shafts are fixedly arranged on the front and rear side end walls of the internal connecting groove correspondingly. According to the device,a plurality of water tanks are integrated, an increase of the water storage amount can prolong the injection time of a water gun, liquid in different colors can be injected, and the experience feelingof a player is improved.

A connection clip (4) fixes a dome-shaped recess located at the end of a drag lever on a head (12) of a support element (3). The connection clip consists of two spring limbs (14, 15) which are connected at one end by a transverse bracket (13). One spring limb (14) rests on the lower face (7) of the drag lever (2), and a recess (16) of said spring limb engages around a retaining region (17) of the support element (3) below the support element head (13). The other spring limb (15) runs on an upper face (18) of the drag lever (2). A channel (19) which is provided by the support element (3) leads through the recess (11) for an injection oil lubrication. The other spring limb (15) of the connection clip (4) lies on the upper face (18) of the drag lever (2) over the dome-shaped recess (11) in a closed manner and has an injection oil bore (20) which is fluidically connected to the channel (19) and which faces away from the drag lever (2) via the second end (10) thereof.

The aim of the invention is to provide a method and a device which allow carrying out of at least part of the adaptation and the diagnosis of a defined driving mode. This aim is achieved by the method and the device of the invention for carrying out at least part of an adaptation and a diagnosis of emission-relevant control devices of a vehicle. The method according to the invention comprises the following steps: determining whether the vehicle has reached a defined driving mode, carrying out a diagnosis of at least one of the emission-relevant control devices once it is detected that the vehicle has reached the defined driving mode, the diagnosis determining and optimizing at least one parameter of an operating point of at least one emission-relevant control device if said parameter deviates from a set range or a set value; and carrying out at least one adaptation step of the adaptation of at least one emission-relevant control device, at least one parameter of a plurality of operating points of the emission-relevant control devices being determined and optimized during said adaptation if said parameter deviates from a set range or a set value.

The invention discloses a high-pressure water spraying cleaning system test device and a test method thereof. The device solves the problem of poor tunnel cleaning effect in the prior art, and has thebeneficial effects that the cleaning condition can be changed according to the tunnel environment. The scheme is as follows, the high-pressure water spraying cleaning system test device comprises a supporting structure, a lifting mechanism and a spraying mechanism, wherein the supporting structure is installed on a tunnel flat car; the lifting mechanism is arranged on the supporting structure; and the spraying mechanism comprises a water pipe connected to the lifting mechanism, the water pipe is connected to a plurality of nozzles through pipelines, the pipelines are supported by the supporting structure, and the angle of each pipeline relative to the supporting structure can be adjusted so as to adjust the spraying angle of the corresponding nozzle.

The invention provides an eye drop capsule. The eye drop capsule is made of flexible plastic material integrally formed, and a solution chamber is formed inside, and the eye drop is contained in the solution chamber, and the eye drop is completely isolated from the air. When in use, first use a pin to pierce one or more small holes at one end of the eye drop capsule, and then squeeze the eye drop capsule against the eyes to drip the eye drops in the solution cavity into the eyes. The eye drop capsule adopts a simple design, which can reduce the production cost, packaging cost and transportation cost to the minimum. This will be conducive to the rapid development and progress of the eye drop packaging industry.

The invention provides a long stator structure for a magnetically levitated train and a method for improving the current-carrying capacity of a long stator cable. The long stator structure comprises astator core, a grounding cable and a long stator cable, wherein the grounding cable is arranged parallel to the stator core, the long stator cable is wound to form a three-phase motor winding and provided w ith an embedded part embedded in the stator core, a grounding sleeve is connected between the embedded part and the grounding cable, the grounding cable is in the shape of a hollow tube, the tube cavity of the grounding cable serves as a cooling fluid channel, the tube wall of the grounding cable is provided with spray holes. The grounding cable adopts a hollow tube and serves as a grounding wire and a cooling liquid channel so as to realize the spray of a cooling fluid. The long stator structure is easy to implement and low in cost, and does not affect the line utilization efficiency.

The invention discloses a novel clinical jet-type medicine application device for department of gynaecology and obstetrics. The medicine application device comprises a fixed block, wherein a cavity isformed in the fixed block; a mounting block is fixedly arranged at the top side of the fixed block; a placing cavity is formed in the mounting block; a through hole is formed in the inner wall of thetop side of the placing cavity; a sliding rod is arranged in the through hole in a sliding mode; the top end of the sliding rod extends out of the through hole and a handle is fixedly arranged at thetop end of the sliding rod; the bottom end of the sliding rod extends into the placing cavity and a piston is fixedly arranged at the bottom end of the sliding rod; the piston is in sliding sealing connection to the inner wall of the placing cavity; a through hole is formed in the inner wall of the top side of the cavity; an air intake pipe is fixedly arranged in the through hole in a sealing mode; a mounting block penetrates the top end of the air intake pipe and communicates with the placing cavity; a mounting hole is formed in the inner wall of the top side of the cavity; an L-shaped conduit is fixedly arranged in the mounting hole in a sealing mode; and two ends of the L-shaped conduit extend out of the mounting hole. According to the jet-type medicine application device provided by the invention, medicines can be sprayed out; and the medicine application device is good in jetting effect, simple in structure and convenient to operate.

The invention provides agricultural harvesting equipment with air vortex kinetic energy impact picking and air impact buffer falling functions. The equipment mainly comprises a power transmission device, an air division device consisting of an upper division cover and a lower division cover, an air vortex kinetic impact device composed of a vortex making cylinder and a vortex making cover, an airimpact buffer falling device composed of an impact hole, an inner buffer ring and an outer buffer ring, a buffer collecting device composed of a collecting cylinder, a collecting bag and a buffer plate and a self-adaptive adjustment device composed of a sleeve, a spring and a buffer cylinder. The equipment is characterized by using high-pressure air for impacting and picking fruits, and performingair flow buffer falling on the fruits. According to the equipment, upper-division classification work and lower-division classification work of the high-pressure air flow are achieved through the airdivision device, the vortex kinetic energy impact picking function of the high-pressure air flow is achieved through the air vortex kinetic impact device, impact buffer falling of the fruits by the high-pressure air flow is achieved through the air impact buffer falling device, lossless buffer collecting of the fruits is achieved through the buffer collecting device, and the self-adaptive lossless protection of trunks of different diameters is achieved through the self-adaptive adjustment device.