377 results about "Injection air" patented technology

The invention discloses a plastic hollow plate shaping and cooling device and method, and belongs to the technical field of plastic hollow plate processing.The plastic hollow plate shaping and cooling device comprises a processing table, and a vacuum adsorption control system and an air floatation supporting control system are arranged at the two ends in the processing table respectively; two cooling mold mechanisms used for cooling the plastic hollow plate are arranged at the two ends of the top of the machining table, and a main cooling mechanism and an auxiliary cooling mechanism which are used for cooling are arranged on each of two molds of each cooling mold mechanism. Uniform negative pressure is formed through the vacuum grooves and the vacuum holes in the upper mold, a plate is forced to be attached to the cavity so as to guarantee the section shape, the lower mold forms air film support through the air injection grooves and the air injection micropores, the downward pulling force of vacuum adsorption and the gravity of the plate are counteracted, sliding friction between the plate and the lower mold is converted into gas lubrication friction, and the service life of the plate is prolonged. The problems that in a traditional shaping process, due to the fact that single-side adsorption force is too large, the top of a plate protrudes, and a hollow cavity collapses are solved.

The utility model relates to a silver ingot transfer clamp. The silver ingot transfer clamp is characterized in that a connecting block is mounted on a manipulator forearm, and a clamp cylinder is mounted in the middle of the lower side of the connecting block; the movable plate is mounted on telescopic rods on two sides of the clamp cylinder, the clamping plate is mounted at the lower end of the movable plate, and the clamping plate is mounted at the inner bottom of the clamping plate; the air injection row groups are mounted on the outer sides of the clamping plates; air holes corresponding to the air nozzles of the air injection row groups are formed in the clamping plates; the adsorption device is installed at the front end of the connecting block and opposite to the clamp air cylinder. According to the scheme, the square clamp is arranged according to the shape of the silver ingot, the clamp air cylinder controls the clamping plate and the clamping plate to clamp and lift the silver ingot, and the stability of the silver ingot in the transferring process is effectively guaranteed in cooperation with the cushion block; and air injection row sets and air holes are formed in the two sides of the clamping plates, the cooled silver ingots are dried, and the silver ingot treatment efficiency is improved.

The invention discloses a gluing device which comprises a support, gluing equipment, a first air injection device, a second air injection device and a third air injection device, and the gluing equipment is movably connected with the support and used for extruding glue on a workpiece. And the first air injection device is movably connected with the bracket, is aligned to the rear part of the gluing equipment along the advancing path, and is used for injecting air to the upper part of the glue. And the second air injection device is movably connected with the bracket, is aligned to one side of the gluing equipment along the advancing path, and is used for injecting air to one side of the glue. And the third air injection device is movably connected with the bracket, is aligned to the other side of the gluing equipment along the advancing path, and is used for injecting air to the other side of the glue.

A multi-fuel double-feeding-channel combustion furnace relates to the new technical field of outdoor and kitchen oil gas furnaces and comprises a furnace end body and an inner barrel structure in sealed connection with the interior of the furnace end body, the inner barrel is of a barrel structure with the upper end open and the lower end closed, and the lower portion of the inner barrel is connected with an oil pipeline in a bypass mode and provided with a flow adjusting valve to achieve accurate oil supply control. The upper end of the inner cylinder is in sealed connection with an oil nozzle with a protruding structure, and the protruding part is inserted into an air spraying hole of the air nozzle above. Air is supplied to a cavity formed between the air nozzle and the oil nozzle through an independent air pipeline, so that oil and gas burning can be carried out independently and can also cooperate with each other. According to the structure, the preheating-free function of the oil furnace and the preheating-free function of the low-flash-point fuel are achieved, multiple purposes of one furnace are achieved, and optimization is achieved in the aspects of combustion efficiency improvement and use convenience.

The invention relates to the technical field of energy processing, and provides a powder alternative fuel system, which comprises a crushing bin; a supporting part is arranged at the bottom of the crushing bin, a mounting frame is arranged on one side of the crushing bin, a crushing bin is arranged on the surface of the mounting frame, two sets of symmetrically-arranged crushing parts are arranged on the inner wall of the crushing bin, and a driving part matched with the crushing parts is arranged on one face of the crushing bin. According to the device, raw materials are thoroughly and homogeneously crushed into fine powder through combination of a double-roller type coarse crusher and a high-speed crusher, a heating pipe and a temperature control system are innovatively integrated in a crushing bin, online drying can be performed according to the humidity of the raw materials, and the fuel heat value is increased. The processed powder fuel is stably and directly conveyed to a combustor in an anti-blocking and anti-backfire mode through a spiral-rotary valve-wind power jet mechanical and pneumatic two-stage closed conveying chain, and full-process automatic and closed operation from raw materials to ignition points is achieved.

The utility model is suitable for internal combustion engine gas supply mechanism technical field provides a kind of multi-point injection air intake pipe of gas machine, comprising: main pipeline, its one side is equipped with air inlet, the other side of main pipeline is equipped with several air intake manifold, each air intake manifold is equipped with air jet nozzle, the flow direction of the gas in the inside of air jet nozzle and air intake manifold has certain angle, air intake manifold and main pipeline use integrated structure, by this, the utility model is guaranteed by setting integrated air intake structure, the reliability of air intake, while setting a kind of separate air jet structure, to ensure the separate control to engine, optimization control effect.

The utility model relates to a conditioner steam jet which comprises a steam rod, a taper hole is formed in the front end of the steam rod, a step hole is formed in the steam rod, the small end of the taper hole is connected with a small hole of the step hole, an adjusting rod is arranged in the step hole, and a taper head matched with the taper hole is arranged at the front end of the adjusting rod. A compression spring for pushing the adjusting rod to reset is sleeved on the adjusting rod in a large hole of the stepped hole, and the rear end part of the large hole of the stepped hole is connected with a steam inlet pipe. According to the utility model, the movable adjusting rod is arranged in the steam rod, and the adjusting rod is pushed to move forwards by utilizing steam pressure, so that the conical head is separated from the conical hole, and steam is sprayed into the conditioner at a high speed; when steam injection is stopped, the compression spring pushes the adjusting rod to move backwards and reset, and the conical head is attached to the conical hole again, so that feed raw material particles can be effectively prevented from entering the steam rod to cause blockage, the stability of the air injection amount is ensured, and the conditioning effect is improved.

The utility model provides a bottleneck connector and sparkling water machine, wherein the bottleneck connector comprises: a joint piece, the joint piece is provided with an interface, the joint piece is provided with an air injection hole, a water injection hole and an exhaust hole, and the exhaust hole is communicated with the interior of the interface; the gas injection pipe is connected to the connector piece and penetrates out of the connector, and the interior of the gas injection pipe is communicated with the gas injection hole; the water injection pipe is connected to the connector piece, penetrates out of the connector and is arranged outside the gas injection pipe in a sleeving mode, and the interior of the water injection pipe is communicated with the water injection hole. According to the technical scheme, the problem that in the prior art, a water injection pipe and a gas injection pipe are matched with small-caliber water bottles of general specifications for water injection operation and gas injection operation correspondingly, and operation is tedious is effectively solved.

The utility model discloses a liquefied petroleum gas bottle assembly line intelligent sorting device which comprises a fixing support, a sorting machine is arranged on one side of the upper end of the fixing support, a rolling ball is arranged at the upper end of the sorting machine, a discharging plate is fixedly connected to one side of the rear end of the fixing support, and a conveying belt is in transmission connection to one side of the upper end of the fixing support. A guide mechanism is movably connected to the upper end of the conveying belt, and an air injection mechanism is fixedly connected to one side of the fixing support. The equipment can intelligently sort liquefied petroleum gas bottles according to the sizes and shapes of the liquefied petroleum gas bottles through the arranged guide mechanism, and a hydraulic cylinder can drive a movable plate to move up and down in a fixed frame, so that a guide frame is driven to adapt to the liquefied petroleum gas bottles of different sizes and heights; according to the liquefied petroleum gas cylinder surface cleaning device, efficient surface cleaning and positioning can be conducted on a liquefied petroleum gas cylinder through the arranged gas spraying mechanism, impurities in air can be filtered out through a purifier, and it is guaranteed that sprayed gas is clean and free of pollution.

An injector assembly for a gas turbine for introducing a gaseous fuel, liquid fuel and air into a combustion chamber, includes an injector shaft and an injector main body aligned along an injector longitudinal axis. The injector main body includes a first gas duct arranged centrally on the injector longitudinal axis, for introducing a gas flow into the combustion chamber; an air duct arranged radially around the outside of the first gas duct, and a liquid fuel injection arranged radially around the first gas duct for introducing the liquid fuel into the combustion chamber. The injector assembly introduces the gaseous fuel. The injector assembly is switchable between two configurations during operation: in a first configuration, air flows through the first gas duct, as an air injection; in a second configuration, the gaseous fuel flows through, as a gas fuel injection.

The utility model discloses reciprocating type steam cleaning soot blowing equipment, and relates to the technical field of soot blowers, a second gear is driven by a rotating motor, a first gear meshed with the second gear is driven to enable a rotating ring to rotate, meanwhile, a guide hole seat limits rotation of the rotating ring, and then an air injection pipeline is promoted to generate reciprocating rectilinear motion through threaded connection. Steam enters the air injection pipeline through the steam generation device, the steam hose and the rotary sealing connector and is sprayed out of the air injection holes in the circumferential side of the front end to purge accumulated dust. A mounting plate support, a supporting plate support, moving wheels and a support facilitate movement and adjustment of equipment, a steam hose containing bin arranges hoses, and stability and operation convenience are enhanced through an inclined strut and a handle. The equipment has the advantages of being high in cleaning efficiency, accurate and controllable in air injection position, suitable for complex working environments, easy to operate and use and the like, and has remarkable advantages compared with traditional soot blowing equipment.

This utility model discloses a liquid fuel oil gasification burner head, including an outer shell, an inner liner, a multi-layered sleeve-type gasification core, and a high-pressure ignition needle. The inner liner is nested inside the outer shell to form a U-shaped annular sealed space, and the inner liner wall is provided with upwardly inclined air injection holes. The core is vertically arranged at the center of the inner liner and consists of an inner thin tube, a middle coarse tube, and an outer conical sleeve, forming a two-stage oil passage: the inner thin tube and the middle coarse tube form a first oil passage, and the outer conical sleeve and the middle coarse tube form a second oil passage. An oil outlet is opened at the bottom of the outer conical sleeve, and the tube wall is provided with upwardly inclined air holes. The tip of the high-pressure ignition needle is directly opposite the oil outlet. The technical solution of this utility model can extend the heating path of fuel oil through the multi-layered sleeve, realize the complete gasification of high / low flash point fuel oil (such as ethylene glycol, light white oil, alcohol-based fuels, etc.), and solve the problems of traditional burners not being able to achieve small-flame combustion, incomplete combustion, and black smoke after ignition and shutdown.

The invention discloses an air tightness test tool and test method for a dual-fuel engine air injection assembly in the technical field of dual-fuel engine component detection, the test tool comprises a first sealing cover plate, two groups of symmetrically arranged side face test cover plates and a second sealing cover plate, the second sealing cover plate comprises an upper cover plate and a second connecting pipe, and the upper cover plate and the second connecting pipe are connected through a first connecting pipe and a second connecting pipe. The upper cover plate is fixed on an upper interface of the double-wall connecting pipe, the second connecting pipe is arranged on the upper cover plate, one end of the second connecting pipe is used for being communicated with the natural gas chamber, and the other end of the second connecting pipe is used for being connected with external equipment for supplying compressed gas through the detection connecting piece. When the ball valve in the detection connecting piece is closed, the two groups of sealing plates can be driven by the transmission part to be close to each other to seal the inner cavity of the connecting seat, so that the leakage of compressed gas in each cavity caused by internal leakage due to abrasion of a sealing surface or invasion of impurities in long-term use of the ball valve is effectively prevented; and the stability of pressure reading and the accuracy and reliability of a test result in the detection process are ensured.

1. The name of the design product: air injection pump. 2. The use of the design product: for grouting equipment with compressed air as power source. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 2.

This invention relates to the field of gasoline generator technology, specifically a water-cooled gasoline generator, comprising a generator mechanism, a cooling mechanism, a temperature-reducing mechanism, and a pitch-adjusting mechanism. In this invention, under high-temperature conditions, the threaded rod rotates inward, then two rectangular blocks approach each other. Transmission rod one and transmission rod two cooperate to control the pitch-adjusting platform and engine assembly to approach the starter assembly. Then, a micro-pump is activated, and air is injected into the air intake channel. The micro-pump pumps cold water from the water tank to the water supply pipe and sleeve. The cold water is distributed through multiple drippers, wetting a cotton swab. Then, the reciprocating extension and retraction of the hydraulic cylinder indirectly causes the cotton swab to repeatedly wipe the surface of the engine assembly. At this time, the air flowing from the hollow jacket and air duct achieves dual cooling through air and water. Then, the downward-flowing air gradually dissipates heat before contacting the starter assembly, thus providing gentle cooling to the starter assembly and reducing the thermal failure rate.

The utility model discloses a humidity regulation and control cabin for organic matter cultural relic protection, which belongs to the field of silk fabric protection, and comprises a repair table component, and a humidity regulation and control component is arranged at the upper end of the repair table component; the humidity regulation and control assembly comprises a housing, the left end of the housing is fixedly connected with a plurality of exhaust fans, the right end of the housing is fixedly connected with a humidifier, the output end of the humidifier is fixedly connected with a connecting pipe, the end, away from the humidifier, of the connecting pipe is fixedly connected with an air injection plate, and the air injection plate is located in the housing. Humidification or dehumidification is carried out through the humidity regulation and control assembly, the silk fabrics can be in a proper wet environment, when the humidity is lower than the minimum set value, the humidifier starts humidification, the exhaust fan stops, when the humidity is higher than the maximum set value, the exhaust fan starts dehumidification, and the humidifier stops, so that safety and reliability are achieved, and time and labor are saved.

A combustion chamber includes a combustion lining that defines a combustion space extending from a front end to a rear end. The combustion chamber further includes a fuel nozzle. The combustion chamber also includes a first air injection device, which is located at a first air injection stage and is fluidically coupled to an air supply. The first air injection device includes a baffle having a side wall and a downstream plate. The first air injection device is configured to introduce air into the combustion space at a downstream end in the first air injection stage. The combustion chamber further includes a second air injection device, which is located at a second air injection stage and is fluidly coupled to the air supply. The second air injection stage is positioned downstream of the fuel nozzle and the first air injection stage.

The utility model relates to a continuous high-pressure washing tool for a shock absorber guide rod, which comprises a movable base capable of changing the placing position and providing an assembling plane, and a main shell capable of defining a processing cavity is supported on the movable base through a hydraulic column. At least five triangular wheel sets capable of guiding and driving workpieces to move directionally are arranged in a shell cavity of the main shell side by side at intervals, and a pre-flushing assembly, a cleaning brush assembly, a high-pressure flushing assembly and a drying assembly which are alternately arranged with the triangular wheel sets are arranged between every two adjacent triangular wheel sets. An air injection guide groove capable of conducting air blowing cooling on the workpieces is further formed in the side, where the workpieces are output, of the main shell. According to the guide rod cleaning device, the guide rods can be horizontally conveyed in a directional limiting mode, the guide rods are continuously cleaned in batches, and meanwhile the cleaning quality and efficiency are improved through mutual cooperation of brushing and flushing in the conveying process.

This invention discloses a low-emission combustion system and method for an ammonia engine with active control of dual reactive activity, comprising: an ammonia fuel engine and an electronic control unit. A jet ignition device and a liquid ammonia injector are disposed on the cylinder head of the ammonia fuel engine. The jet ignition device provides a jet ignition source to the main combustion chamber, and the liquid ammonia injector injects liquid ammonia fuel into the main combustion chamber. The electronic control unit is connected to the liquid ammonia injector, an air injector, a fuel injector, and a spark plug in the pre-combustion chamber, and is used to adjust the injection timing, number of injections, and injection quantity of the liquid ammonia injector based on at least one parameter among engine speed, load, cylinder pressure, intake state, and combustion phase, while simultaneously adjusting the air injection quantity, hydrogen injection quantity, and pre-combustion chamber ignition timing. The system actively controls the reactive activity within the combustion chamber through multiple injections of liquid ammonia, and simultaneously, through a control strategy, actively controls the combustion rate over a wide range.

The invention relates to the technical field of license plate recognition equipment, and provides a license plate recognition all-in-one machine based on the intelligent traffic internet of things, which comprises a machine shell and a license plate recognition assembly embedded in the middle upper side of the front wall of the machine shell, a driving mechanism is arranged in the machine shell, and the driving mechanism comprises an equipment cabin arranged in the machine shell; a driving motor is fixedly connected to the inner wall of the equipment compartment, a first belt wheel is fixedly connected to the output end of the driving motor, a transmission belt is arranged on the periphery of the first belt wheel, the first belt wheel is connected with a second belt wheel through the transmission belt, a driving shaft is fixedly connected to the middle of the second belt wheel, and a driving rod is fixedly connected to the middle of the driving shaft; a connecting shaft can be pushed to move through a push strip in the sweeping mechanism, so that a cleaning brush in the sweeping mechanism and an elastic air bag in the air injection mechanism can be driven to work, and dust on the surface of the license plate recognition assembly can be intermittently cleaned without an additional driving source.

The utility model discloses a double-medium nozzle testing device, two inlets of a double-medium nozzle are respectively connected with a liquid inlet pipe and an injection pipe, the injection pipe is connected with an injection compressed air supply pipeline or an injection steam supply pipeline through an injection detection module, and the injection detection module comprises a compressed air detection pipeline and a steam detection pipeline which are connected in parallel. The inlet end of the compressed air detection pipeline and the inlet end of the steam detection pipeline are connected with the two outlet ends of a three-way valve correspondingly, and the inlet end of the three-way valve is detachably connected with any one of the injection compressed air supply pipeline and the injection steam supply pipeline through a first quick release structure. The outlet end of the compressed air detection pipeline and the outlet end of the steam detection pipeline are connected with the two inlet ends of the three-way pipe correspondingly, and the outlet end of the three-way pipe is detachably connected with the injection pipe through a second quick release structure. The device has the advantage that the atomization effect of the atomized liquid sprayed by the double-medium nozzle is detected and adjusted in an offline state.

The utility model discloses an outer wall waterproof construction gap cleaning device which comprises a first pipe body, one end and the other end of the first pipe body are respectively provided with a through opening, the first pipe body is connected with a second one-way valve, and the other end of the first pipe body is connected with a first one-way valve. The utility model discloses. When the rubber air bag is manually pressed, internal air pressure rises rapidly, the first one-way valve is opened, and air is sprayed to the outer wall crack at a high speed along the second pipe body. Strong airflow can go deep into the cracks, and dust, chippings and other sundries hidden in the cracks are all blown away. After the rubber air bag is loosened, the rubber air bag can restore to the original shape, the internal air pressure is reduced accordingly, the second one-way valve is opened immediately, external air is injected quickly, air storage is completed, and preparation is made for next-time air injection. And meanwhile, the brush body continuously cleans cracks, air injection and cleaning work cooperatively, an uninterrupted cleaning process is formed, the cleaning efficiency and quality are greatly improved, and a foundation is firmly built for follow-up outer wall waterproof construction.

The invention relates to a cooling air injection housing (1) for a turbine rotor disc extending around a longitudinal axis and comprising a radially external wall (4), a radially internal wall (5) and several channels (6a, 6b) distributed around the longitudinal axis, each channel forming an air injector extending axially from an inlet opening (7) opening through the radially external wall to an outlet opening (8) positioned at a downstream end (42) of the radially internal wall, each channel being configured to guide a first airflow from an annular bypass space of a combustion chamber to a ventilation cavity formed between the disc and a sealing flange,the housing comprising at least one diverting conduit (11) positioned circumferentially between two channels and extending radially to divert a portion of a second airflow from a high-pressure compressor towards a purge cavity. Fig. 3.

The utility model relates to the technical field of hydraulic oil cylinders, and discloses a hydraulic oil cylinder with a protection function, which comprises a hydraulic oil cylinder, a lower protection cover is arranged below the hydraulic oil cylinder, and an upper protection cover is arranged above the hydraulic oil cylinder. The lower protective cover and the upper protective cover are folded to enable the hinge block to be located between the first connecting block and the second connecting block, and the inner walls of the two ends of the inner side of the lower protective cover and the inner walls of the two ends of the inner side of the upper protective cover are attached to the edges of the two ends of the hydraulic oil cylinder. One end of an inserting rod penetrates through a first connecting block, a hinge block and a second connecting block so as to connect the lower protective cover and the upper protective cover, air is injected into a rubber pad, impact force can be buffered under the action of compressibility of the air, and if the impact force is too large, the rubber pad is broken, and the rubber pad is prevented from being damaged. The hydraulic oil cylinder is not damaged by release of air, and the problems that an existing device is inconvenient to use and poor in protection effect are solved.

The invention relates to the technical field of unmanned aerial vehicles, and discloses a telescopic air injection device, an active-disturbance-rejection control method and an unmanned aerial vehicle. A first air pipe is connected to a fuselage of the unmanned aerial vehicle through a gimbal frame mechanism; the second air pipe is coaxial with the first air pipe and is nested in the first air pipe; the third air pipe is coaxial with the second air pipe and is nested in the second air pipe; a rope, a first fixed pulley, a second fixed pulley, a third fixed pulley, a contraction driving winch and an extension driving winch; the contraction driving winch and the extension driving winch are connected to one end of the first air pipe, and the first fixed pulley is arranged at the other end of the first air pipe; the second fixed pulleys are arranged at two opposite ends of the second air pipe; the third fixed pulleys are arranged at two opposite ends of the third air pipe; the rope is sequentially wound around the first fixed pulley, the second fixed pulleys and the third fixed pulleys, the two ends of the rope are connected to the contraction driving winch and the extension driving winch correspondingly, and the controllable adjusting precision of the high-pressure airflow acting distance is improved.

The invention relates to a package handling device (1) for packages (2) comprising a movable gripping head (5) equipped with a plurality of suction nozzles (7), each terminating in a suction cup (8) designed to grasp a package from above by suction. Each suction nozzle includes an air circulation duct (11) and a vacuum pump (12) disposed within the air circulation duct, said vacuum pump being in fluidic connection with the air circulation duct and the suction cup. The handling device according to the invention also includes an air injection device (13) designed to inject air into the air circulation ducts so that the vacuum pump creates a vacuum in the suction cups. Fig. 7

A stator disc is fixed to a motor, a sealing ring gas injection hole and a gas injection hole are formed in one side of the stator disc, and a sealing ring moves towards a rotor disc and is tightly attached to the rotor disc under the pressure effect of compressed gas input by the sealing ring gas injection hole when a first electromagnetic valve set is switched on; an annular sealing gas path is formed; when the first electromagnetic valve group is disconnected, the sealing ring is separated from the rotor disc, and the annular sealing gas circuit is disconnected; the balance disc is attached to a motor rotor through a tensioning sleeve and rotates synchronously with the motor rotor, a plurality of liquid storage cavities are formed in the balance disc, every two liquid storage cavities form a group, the liquid storage cavities in the same group are connected through communicating pipes, and air injection pipes corresponding to the liquid storage cavities are further arranged on the balance disc; the rotor disc is fixed to the balance disc and provided with an internal gas path, one end of the internal gas path is communicated with the gas injection pipe, and the other end of the internal gas path is communicated with the gas injection hole. And the sealing structure can be adaptively adjusted according to the use condition, so that the actuator can stably operate for a long period.

The application relates to the technical field of vapor deposition equipment, and discloses a silicon carbide coating graphite carrier disc supporting device, which comprises a bearing table, the top of the bearing table is provided with an adjusting disc, the bottom of the adjusting disc is rotationally provided with a rotating disc, the rotating disc and the adjusting disc are graphite discs, the top of the rotating disc is provided with a plurality of first positioning grooves, and the outer side of the adjusting disc is provided with a plurality of second positioning grooves. The relative positions of the adjusting disc and the rotating disc are adjusted, so that the epitaxial wafer is in a closed cavity formed during the exhaust process of a reaction chamber; at the moment, a high-speed airflow is formed through air injection, the by-products attached to the surface of the adjusting disc are cleaned, the number of the epitaxial wafers accommodated by the graphite base is adjusted by moving the shielding disc, the shielding disc can be cleaned synchronously in cooperation with the cleaning operation, the cleaning efficiency of the supporting device is improved, the maintenance period is prolonged, and the flexibility and reliability in use are ensured.

The utility model provides an automatic deviation rectifying and unwinding device for a reticulated film base material, which belongs to the field of film base material unwinding devices and comprises a base, a support plate and an outer cover are arranged above the base, the top of the support plate is fixedly connected with a vertical frame, the side wall of the outer cover is rotatably connected with an air expansion shaft, and a coiled material is sleeved on the air expansion shaft. The side wall of the outer cover is rotationally connected with a deviation rectifying shaft, a transmission shaft and an auxiliary shaft, the outer side wall of the outer cover is fixedly connected with a sensor, the sensor is arranged between the deviation rectifying shaft and the auxiliary shaft, the inner side wall of the outer cover is fixedly connected with a motor, and the transmission shaft penetrates through the end of the outer cover and is in transmission connection with an output shaft of the motor through a first belt. The inner side wall of the outer cover is rotationally connected with a rotating shaft, the rotating shaft is in transmission connection with an output shaft of the motor through a second belt, an air injection assembly is arranged in the outer cover, air in the air storage pipe is extruded to be sprayed out and blown to a probe of the sensor, and signal distortion caused by the fact that the sensor is shielded by foreign matter is prevented.

The application discloses a kind of throttling-based auxiliary ignition device, including circular cross-section combustion chamber, kerosene injection support plate and injection hole installation point, combustion chamber includes isolation section, groove section and expansion section, kerosene injection support plate is installed in isolation section export, injection hole installation point and the installation position of kerosene injection support plate are in the same section, injection hole installation point is spaced distribution with kerosene injection support plate, and a group of air injection holes are installed in injection hole installation point.The application can promote kerosene reliable ignition to start stable combustion under the condition of not using flammable gas, high-frequency spark plug and igniter, and can be reused, simplify auxiliary ignition device, reduce system complexity, improve reliability.