6197 results about "Power apparatus" patented technology

An automotive emergency start power supply with an inflation function includes: an inflation pump, an internal power supply, and a first circuit board. The inflation pump is provided with a first power device, a detection assembly, and a first check valve; the first power device includes a first driving assembly and a first inflation assembly including a first transmission assembly, first cylinder assembly and connecting pipe; the first driving assembly is configured to provide power to the first inflation assembly, and the first inflation assembly is configured to provide first airflow to the first air outlet portion; the detection assembly is configured to detect air pressure information; and the first check valve is disposed in a first accommodating space formed by the first cylinder assembly and the connecting pipe, and is configured to allow the first power device to provide the first airflow to the first air outlet portion.

The invention belongs to the technical field of aviation energy design, and particularly provides an aviation energy power device fault intelligent inquiry system and method based on a knowledge graph. The method comprises the following steps: firstly, showing a complex data structure and a knowledge relationship to a user in a visual and dynamic manner through knowledge extraction, knowledge graph database construction, knowledge graph visualization and other methods, and constructing a knowledge graph basic framework; according to the method, the depth information of the target object can be extracted from the images from different angles, the fault characteristics of the equipment can be intuitively displayed, and the fault state of the equipment can be visually represented by extracting the depth information of the target object from the images from different angles. The evolution of the equipment state can be tracked through the change of the three-dimensional space; a conversion algorithm of the knowledge graph and the Bayesian network is realized through the Bayesian network, and rapid reasoning of fault causes is realized in combination with a Bayesian network reasoning algorithm; and finally, based on an intelligent inquiry system of a large model, a deep learning technology and a large-scale training model are utilized, and previous fault data and professional knowledge of the aviation energy power device are combined to provide intelligent auxiliary diagnosis support.

The invention provides an abnormal sound test bench capable of rapidly switching modes. The abnormal sound test bench comprises a base, a first test unit, a second test unit and a power device arranged between the first test unit and the second test unit. The power device comprises two vibration exciters arranged in the y direction. The first test unit can make a to-be-tested part generate single-degree-of-freedom vibration in x, y and z directions, and the second test unit can make the part generate pitching and side-tipping composite-degree-of-freedom vibration. The first test unit and the second test unit can be respectively driven by the same group of power device, only the tested part needs to be transferred in a short distance during mode conversion, the same group of power device is used in the two test modes, and the test efficiency is greatly improved during the test of the rear half part. The relevant parameters between the tested part and the power device are acquired in the first half part, so that the debugging time between the part and the power device is greatly saved, and the testing efficiency is improved.

The invention belongs to the cross technical field of the fusion graph attention network and the ship resistance field, and discloses a ship resistance intelligent forecasting method and system, and the method comprises the steps: constructing nodes and edges in a graph attention network, and carrying out the preprocessing of data; designing and improving a loss function; a dynamic weight multi-attention mechanism is established, and attention weights are automatically distributed according to different ship type features; applying a training strategy of an Adam and SGD combined optimizer to obtain a graph attention network model; and carrying out ship resistance prediction evaluation through the dynamic weight map attention network model. By introducing the ship resistance intelligent forecasting method based on the dynamic weight map attention network and the physical constraint, the ship resistance intelligent forecasting method has the advantages of simple structure and clear algorithm, is specially designed for forecasting resistance under different ship types and solving the matching problem of propellers and power devices, shows remarkable innovativeness and practical value, and is suitable for popularization and application. Powerful support is provided for optimization design, energy conservation and emission reduction and safe navigation of the ship.

The invention discloses an exoskeleton robot power auxiliary control method based on artificial intelligence, and relates to the technical field of intelligent control. The method comprises the steps that a power device of the exoskeleton robot is determined; acquiring a plurality of indexes for power output of the auxiliary power device; obtaining a first motion scene, and performing parameter learning of an index sequence on the plurality of indexes according to the correlation between the first motion scene and the plurality of indexes to obtain auxiliary learning parameters; the power device controls a power motor to adjust power parameters according to the auxiliary learning parameters. The technical problems that in the prior art, power-assisted control of an exoskeleton robot is not intelligent and accurate enough, power output is difficult to dynamically adjust according to a specific motion scene, energy efficiency is low, and user experience is poor are solved. Accurate adjustment of power parameters of the power device is achieved, and therefore the technical effects of improving energy efficiency and enhancing user experience are achieved.

The invention relates to the technical field of hydrogen energy aviation, and discloses a hydrogen energy aviation fuel storage-supply system and method based on solid hydrogen storage, and the hydrogen energy aviation fuel storage-supply system and method based on solid hydrogen storage are characterized in that the hydrogen release amount adjusting range of a hydrogen storage material is matched with the hydrogen fuel demand adjusting range of a power device by adjusting the hydrogen release catalytic reaction environment temperature of the solid hydrogen storage material; by adopting the pressure stabilizing device, the problem of flow and pressure fluctuation caused by hysteresis of hydrogen release adjustment is solved, and hydrogen release flow adjustment and engine throttling control can be carried out through the thrust rod.

The invention relates to a variable-depth, variable-position and variable-quantity intelligent fertilizer applicator based on the size of a tree crown, and belongs to the technical field of agricultural and forestry machinery. The machine comprises a power device, a fertilizing device, a spiral ditching device, an intelligent identification device and an intelligent control system which are supported on a rack, wherein the rack is arranged on a walking device. The fertilizer applicator can realize integrated operation of intelligent ditching, fertilizer application and soil and fertilizer stirring in agricultural planting environments such as orchards and the like, and meanwhile, can intelligently find an optimal root zone position and adjust the ditching depth, the fertilizer application position and the fertilizer application amount according to the size of a fruit tree crown and the distance of a tree machine, so that the ditching efficiency and the fertilizer utilization rate are improved.

The invention relates to the technical field of deep sea power equipment, and discloses a pressure energy reciprocating power device and an action control method thereof.The pressure energy reciprocating power device comprises a sealing piston cylinder, a pressure-resistant pipe and an underwater control part; the sealing piston cylinder comprises a cylinder body and a piston rod arranged in the cylinder body, the piston rod comprises a piston and a push rod, one end of the push rod is connected with the piston, the other end of the push rod penetrates through the cylinder body in a sealing and sliding mode, and the piston divides the cylinder body into a rod cavity and a rodless cavity. The pressure-resistant pipe comprises a main pipeline, a first branch pipeline and a second branch pipeline, one end of the main pipeline is communicated with the rodless cavity, the other end of the main pipeline is communicated with the first branch pipeline and the second branch pipeline, and the first branch pipeline and the second branch pipeline are communicated with the outside and the pressure-resistant storage cylinder respectively; the underwater control piece is arranged on the pressure-resistant pipe and used for controlling the two branch pipelines to be alternately connected and disconnected so as to drive the push rod to stretch out or retract back and forth. Stable power output is obtained through energy conversion, and the device is simple in structure, easy to implement, safe and reliable.

The invention relates to the technical field of electric vehicle power devices and energy management, in particular to an electric vehicle-mounted direct-current two-way charging and discharging control method which comprises the steps that 1, multi-source parameters are collected in real time, and scenes are recognized; step 2, battery stress adaptive modeling: calculating a dynamic stress factor reflecting the ion migration rate in the battery based on the electrolyte temperature gradient value and the single internal resistance change value; determining the maximum allowable current change slope according to the dynamic stress factor and the battery health state; step 3, scene differentiation charging and discharging control; 4, cooperative execution and safety protection: uploading the power plan of the vehicle to a cloud end, receiving a cooperative correction factor, and calculating final execution power in combination with a temperature attenuation coefficient; and controlling the charging and discharging process according to the final execution power and the current change slope, and starting balance control when the voltage difference of the single batteries exceeds the limit. Scene adaptability, battery protection and multi-vehicle cooperative control in the charging and discharging process of the electric vehicle are systematically optimized.

The invention provides a marine power device fault diagnosis method based on multi-modal information fusion, and relates to the technical field of intelligent fault diagnosis. Comprising the steps that operation state data of equipment to be tested are collected, and the operation state data comprise vibration signals and infrared images; preprocessing the running state data to obtain preprocessed running state data; the preprocessed operation state data are input into a fault diagnosis model, a diagnosis result is obtained, and the fault diagnosis model comprises an input module, a feature extractor, a feature enhancement module and a classifier which are connected in sequence; the problems that in the prior art, multi-modal data fusion is difficult, and the fault diagnosis accuracy of the marine power device is low are solved.

The invention provides a comprehensive test bench for an aircraft system, and relates to the technical field of equipment testing. Platform function support is provided through the simulation flight system, the comprehensive control and test auxiliary system, the data acquisition analysis system, the software test system, the airborne system integration module and the fault injection system. Through a platform I / O resource pool, a simulation power supply and distribution system, a test network, a reflection memory network and a wiring and tandem system, different aircraft system test benches are cooperated to carry out a linkage comprehensive experiment. According to the invention, the building of the aircraft system comprehensive test bench is realized among the power device system test bench, the atmospheric inertial navigation system test bench, the passenger cabin information system test bench, the copper bird test bench and the iron bird test bench, so that the linkage test operation requirement is met.

The invention relates to a variable-depth, variable-position and variable-quantity intelligent ditching fertilizer applicator based on the diameter of a fruit tree, and belongs to the technical field of agricultural and forestry machinery. The intelligent ditching and fertilizing machine comprises a rack arranged on a walking device, and a power device, a fertilizing device, a spiral ditching device and a control device which are supported on the rack, the fertilizing device is used for conveying the fertilizer from the fertilizer box to a feeding mechanism of the fertilizer discharging pipe according to the control instruction; the spiral ditching device comprises a vertical moving pair and a horizontal moving pair; the spiral ditching device comprises a vertical spiral ditching cutter which is arranged at the lower part of the movable platform and is driven by a spiral ditching driving motor; a visual camera and a laser radar are arranged in the middle of the rack, signal output ends of the visual camera and the laser radar are respectively connected with corresponding input end pins of the intelligent chip, and control output ends of the intelligent chip are respectively connected with controlled ends of the fertilizing motor, the moving motor, the spiral ditching motor and the lifting motor. The device can work at the position of an optimal root zone, the depth, the position and the variable are controlled, and after furrowing is conducted in soil, fertilizer is evenly scattered into furrows.

An inspection method is provided during which a piezoelectric device is arranged with a specimen component of a powerplant. The arranging includes abutting the piezoelectric device against a surface of the specimen component. An electrical current is provided to the piezoelectric device at a (e.g., fixed) electrical voltage. The providing of the electrical current to the piezoelectric device energizes the piezoelectric device and induces vibrations in the component across a frequency range. The electrical current provided to the piezoelectric device during the energizing of the piezoelectric device and the inducing of the vibrations in the specimen component is monitored to determine a plurality of measured resonant frequencies of the specimen component within the frequency range. A measured resonance signature for the specimen component is determined based on the measured resonant frequencies of the specimen component.

The invention relates to the technical field of casting equipment, and discloses energy-saving furnace roller automatic cooling mold opening casting equipment which comprises an upper mold, a lower mold, an upper locking assembly, a lower locking assembly and a jacking assembly. After casting is completed, cooling liquid is continuously input into the water inlet, the outlet of the lower die cooling cavity is blocked by the sealing column, the cooling liquid is gradually accumulated in the closed lower die cooling cavity, the liquid pressure is gradually increased in a stable and controllable trend, and along with continuous increase of the pressure, the sealing plate is subjected to thrust from bottom to top, so that the sealing effect is improved. When the sealing column moves to the limiting plate, the sealing column is pushed to move upwards, in the process, the liquid pressure is not instantly exploded but is gradually increased, damage of impact force to the mold is effectively avoided, after the sealing column moves to the limiting plate, the rising pressure can push the upper mold to stably rise, and automatic mold opening is achieved. According to the mode that the liquid pressure gradually rises to complete mold opening, an additional power device is not needed, the maintenance difficulty is lowered, and meanwhile a large amount of energy consumption is saved.

The invention discloses a hydrogen energy park planning method and system based on a heuristic algorithm, and relates to the technical field of smart energy management, and the method comprises the steps: constructing a mathematical model of a park comprehensive energy system which is composed of a renewable energy power generation unit, an energy conversion device, a carbon capture and gas power device and a multi-type energy storage unit; based on the mathematical model, with the minimum annual comprehensive cost of the park comprehensive energy system as a target, establishing a cost target function, setting constraint conditions, and formulating an energy management strategy; and according to an energy management strategy, solving according to an improved taboo horse racing optimization algorithm THRO, and planning the hydrogen energy park according to a solving result. According to the invention, not only is the interior of the exterior of the environment realized, but also the maximization of economic benefits is realized.

The invention discloses a power device for posture adjustment and butt joint of large-size composite components, and particularly relates to the technical field of aircraft production, the power device comprises an adjustment driving assembly and an adsorption fixing assembly, the adsorption fixing assembly is installed at the output end of the adjustment driving assembly, the adsorption fixing assembly comprises a grabbing frame and a suction cup base, and the suction cup base is installed on the grabbing frame; a flexible adsorption ring is installed at the bottom of the suction cup base, a vacuum adsorption space is formed between the flexible adsorption ring and the suction cup base, and a back supporting positioning column is further installed in the suction cup base in a sliding mode and installed at the output end of the pushing driver. According to the invention, downward reverse support is formed on the surface of the component by means of the reverse support positioning column, so that the component cannot extrude the flexible adsorption ring due to motion inertia under the support of the reverse support positioning column in the process of adjusting the posture of the component, and the component is not easy to generate micro vibration; and therefore, the stability and the safety of adjusting the part are improved.

The utility model discloses polishing equipment for producing hair clipper blades, which comprises a bottom plate, four corners of the lower end of the bottom plate are fixedly connected with supporting legs, the upper end of the bottom plate is fixedly connected with a supporting frame, the upper end of the supporting frame is provided with a power device, the supporting frame is internally provided with a smearing device, and the interior of the supporting frame is rotatably connected with a polishing roller. The polishing roller is located at the lower end of the smearing device. A lifting device is arranged at the lower end of the bottom plate, and a moving device is arranged at the upper end of the lifting device and used for driving the hair clipper blade to move. According to the hair clipper blade polishing device, the smearing device is arranged, polishing agents can be smeared on the surface of the polishing roller through the smearing device, in this way, when the polishing roller conducts polishing operation, the polishing effect can be improved, the surface of the hair clipper blade is smoother and brighter, and meanwhile protection on workers is improved.

The invention provides a propeller power output meshing device for an aircraft engine. The power output shaft is sleeved with the fixing support to achieve fixed connection, the fixing support comprises an upper installation section and a lower installation section, the upper installation section is of a tubular structure, the lower installation section is of a plane structure, and a step structure is arranged between the upper installation section and the lower installation section; the meshing outer rotor is arranged on the outer side of the fixing support, and the upper mounting section of the fixing support is matched with the meshing outer rotor through a double-row groove ball bearing; the double-row groove ball bearing is installed on the fixed support through a support nut, a friction block assembly is arranged on a lower installation section of the fixed support, and the rotary support is installed on the end portion of the meshing outer rotor through a bolt. The propeller is started after the unmanned aerial vehicle is launched and lifted off under the action of the boosting device, the integration degree of the power device is improved, and a solution is provided for overall integration, part removal and cost reduction design of the unmanned aerial vehicle power device.

The invention discloses an electric power pipe cutting device for electric power construction, and relates to the technical field of electric power construction. The device comprises a rack, the rack comprises a base, a first support and second supports located on the two sides of the first support are installed on the base, a driving mechanism, a cutting mechanism, a power device and an accelerating device are arranged on the first support, the cutting mechanism comprises a plurality of cutting knives, and fixing devices are arranged on the second supports. The cutting mechanism is driven by the driving mechanism, and the cutting knife is driven to perform revolution and centripetal feeding movement around the axis of the electric power tube; and meanwhile, the power device drives the cutting knife to rotate by means of revolution of the cutting knife, the rotation speed of the cutting knife is increased through the acceleration device, and the cutting knife cuts the electric power pipe through revolution surrounding, centripetal feeding and rotation cutting movement, so that the device can enhance the cutting effect on the premise that energy consumption is not increased.

The utility model discloses an automatic product screw and nut assembling device which comprises a working table, a vibration feeding disc, a feeding track, a feeding positioning assembly, a nut assembling assembly and an assembling positioning assembly, the vibration feeding disc is fixedly installed on the working table, a discharging port of the vibration feeding disc is connected with the feeding track, a discharging port of the feeding track is connected with the feeding positioning assembly, and a discharging port of the nut assembling assembly is connected with the assembling positioning assembly. A nut assembling assembly is erected above the feeding positioning assembly, an assembling positioning assembly is arranged in the moving stroke coverage range of the nut assembling assembly, the assembling positioning assembly comprises a rotating power device, a rotating table, a clamping air cylinder and an assembling jig, and the rotating output end of the rotating power device is fixedly connected with the rotating table; two opposite clamping air cylinders are fixedly installed at the center of the upper end face of the rotating table, cylinder heads of the clamping air cylinders are connected with an assembling jig, the assembling jig is fixedly installed on the rotating table, the nut and screw assembling machine is simple in structure, two nuts and two screws can be assembled at the same time, and working efficiency is improved.

The invention discloses a liquid hydrogen fuel energy power system and an airplane, and belongs to the technical field of liquid hydrogen airplane power device system integration. The system comprises a liquid hydrogen tank, a liquid hydrogen pipeline, a gas hydrogen pipeline, a heat conduction liquid circulation pipeline, an air pipeline, a hydrogen turbine engine power device, a fuel cell, a heating device, a primary heat exchanger, a secondary heat exchanger, a starter and an airborne power supply and distribution network. The system absorbs waste heat of a fuel cell and exhaust waste heat of an engine exhaust nozzle, liquid-gas-hydrogen conversion is achieved, and the problem of vaporization of liquid hydrogen fuel on a machine is effectively solved. Pressurized air is provided for the fuel cell through air entraining of an engine air compressor, waste heat of the fuel cell is absorbed through a first-stage heat exchanger, and the air side supply and heat dissipation functions of the fuel cell are achieved. According to the two-stage heat exchange device, fuel vaporization heating with different hydrogen fuel flow supply requirements is achieved according to the starting and stable operation processes, the system starting method solves the system starting heat source problem, and combined starting of the main power device and the auxiliary power device is achieved.

An electrical power apparatus for coupling between an electrical power supply and one or more electrical power loads includes: a plurality of dynamically dispatchable electrical energy storage components providing at least one of dynamically dispatchable energy storage thereto and energy retrieval therefrom; and a controller to dynamically control the operation of the one or more dynamically dispatchable energy storage components in order to dynamically match the electrical power supply to the one or more loads by dynamically storing energy in one or more of the dynamically dispatchable electrical energy storage components when the available electric power exceeds that required by the one or more loads, and / or dynamically supplying electrical energy from one or more of the dynamically dispatchable electrical energy storage components when the available electric power is less than that required by the one or more loads.

The invention relates to the field of machinery, in particular to a three-way composite vibrator dynamic vibration absorber and a vibration absorbing method. The three-way composite vibrator dynamic vibration absorber comprises an elastic support, the elastic support comprises an elastic support base, and the elastic support base is provided with a fixing hole. The elastic support base is further connected with four free ends, and free end foundation plates are arranged at the four free ends. Mounting holes are formed in the free end foundation plate; the nonlinear oscillator A, the nonlinear oscillator B and the linear oscillator C are combined together to form a special composite oscillator; the vibration absorber has the beneficial effects that dynamic vibration absorption and vibration and noise reduction can be realized in three mutually orthogonal directions, the vibration absorber can normally work in weightlessness, severe and complex environments, can simultaneously adapt to external excitation with different intensities and multiple angles, has a relatively wide matching frequency, can effectively absorb vibration energy of a power device or a mechanical structure, and has a good application prospect. And vibration and noise generated thereby are suppressed.

The invention discloses a tunnel digging and changing multi-head water drill and splitting rod loading and unloading device and a construction method thereof.The device comprises a splitting rod loading and unloading device body, and the splitting rod loading and unloading device body comprises a mounting frame, a splitting rod loading and unloading actuator, a splitting rod loading and unloading actuator movement driving device and a multifunctional groove; the cleavage rod loading and unloading actuator is driven by the cleavage rod loading and unloading actuator movement driving device to be movably arranged on the multifunctional groove in the first direction; the first support arm is driven by a first power device to rotate, and the second support arm is driven by a second power device mounted on the first gear cylinder to rotate; a first water milling drill actuator is installed on the side, away from the supporting rod, of the first support arm, and a second water milling drill actuator is installed on the side, away from the supporting rod, of the second support arm. According to the invention, the combined operation of drilling and splitting rod loading and unloading is realized, and the construction efficiency is improved.

The invention relates to the technical field of ramjet engines, in particular to a composite ramjet engine and a combined power device. According to the composite ramjet engine, a scramjet engine runner serves as a basic runner, and the runner can be switched into an equivalent subsonic combustion ramjet engine runner through profile adjustment. The basic flow channel comprises an air inlet channel, an isolation section, a combustion chamber front section, a combustion chamber rear section and an expanding exhaust nozzle. A flow channel molded surface adjusting mechanism is arranged on the inner wall of the expanding exhaust nozzle; the mechanism has two states: in the first state, the adjusting mechanism is attached to the inner wall of the expansion type exhaust nozzle, and the molded surface of a flow channel of the exhaust nozzle is in an expansion type and corresponds to a dual-mode scramjet mode; and in the second state, the adjusting mechanism protrudes towards the inner cavity of the exhaust nozzle, and the exhaust nozzle runner comprises a first expansion section, a first contraction section and a second expansion section in the airflow direction and corresponds to the equivalent subsonic combustion stamping mode. The working range of a conventional speed range scramjet engine can be widened to Ma2.5-7.0, and the conventional speed range scramjet engine can be directly combined with a common turbine engine.

An inspection method is provided during which a head of an inspection scope is inserted into an interior of a powerplant. The head of the inspection scope includes an actuator. The powerplant includes a component located within the interior of the powerplant. The head of the inspection scope is abutted against a surface of the component within the interior of the powerplant. The head of the inspection scope is preloaded against the surface of the component using a preload device located outside of the interior of the powerplant. Vibrations are induced in the component using the actuator. A vibratory response in the component excited by the vibrations is measured using a sensor to provide sensor data.

The invention relates to the technical field of rock drilling equipment, in particular to mine rock blasting drilling equipment and a blasting method. The equipment comprises a drill rod, a sliding mechanism and a driving mechanism, the middle of the drill rod is provided with an airflow channel, and the front end is connected with a pneumatic impactor and an impact drill bit; the sliding mechanism comprises a sliding rail, a sliding seat and a pushing mechanism; and the driving mechanism realizes rotation of the drill rod through the power device, the base and the positioning sleeve. Particularly, the pre-pressing buffering device can provide compressed air for the drill rod and provide elastic thrust, and it is guaranteed that the drill rod works stably. In addition, the transmission efficiency is improved through the meshing design of the transmission part and the abutting part of the drill rod, meanwhile, a multi-stage buffering structure is arranged, and the service life of equipment is effectively prolonged. The technical effects that the drilling efficiency is improved, the energy consumption is reduced, and the equipment reliability is enhanced are achieved.

The invention discloses a decoupling control system and method for a supercritical carbon dioxide direct circulation nuclear power plant. A compressor inlet temperature constant control strategy and a compressor inlet pressure constant control strategy are adopted. A compressor inlet temperature control system adjusts the opening degree of a cooler cold side valve, and a compressor inlet pressure control system adjusts the working medium filling and discharging of a capacity box. In order to guarantee the power supply quality, a transmission shaft rotating speed constant control strategy is adopted, and transmission shaft auxiliary torque is adjusted through a transmission shaft rotating speed control system. In order to ensure the system efficiency, a reactor core outlet temperature constant control strategy is adopted, and a reactor core outlet temperature control system is used for adjusting the opening degree of a control valve; in order to achieve the reactor following operation target, a reactor core power matching demand power control strategy is adopted, the control rod speed is adjusted through a power control system, and based on the neuron PID decoupling control technology, the control target that each output parameter in the system is only influenced by a certain specific input parameter is achieved.

The invention belongs to but not limited to the technical field of interception nets, and particularly relates to a multi-point traction type interception net launching device which comprises a base, a power device, a launcher and an interception net. The base can be adjusted and positioned at multiple angles, the borne impact force is at least not less than 15 KN, the base is designed into a folding structure, the packaging size is reduced, and transportation and storage are facilitated; the power device adopts compressed air as a power source, an air storage chamber is filled with high-pressure air, when a switch is turned on, energy of the high-pressure air is released instantly, and huge aerodynamic force acts on the pressed area of an object, so that the object moves in an accelerated mode from a static state and is thrown out. The power device body is composed of a launching tube, an air chamber, a valve element assembly, a firing device, a trigger, a carbon fiber air cylinder, a shell and the like, the launching tube, the carbon fiber air cylinder and the shell are distributed on the two sides of the air chamber, the firing device is arranged above the air chamber, and the trigger is pressed on the firing device; the launcher is in a horn shape, and four cylindrical storage bins connected with the launching tube are arranged on the edge of the launcher.