61results about How to "Sufficient power" patented technology

The invention provides a gear shifting control method and device for a double-electric-drive-axle pure-electricity commercial vehicle, and belongs to the technical field of electric automobiles. The method comprises the steps that the whole vehicle power, a driving map and front vehicle data currently required by a driver are obtained; under the conditions that the power of the whole vehicle is smaller than a target power threshold value, the gradient of uphill and downhill in a driving map is smaller than a first target gradient threshold value, and it is determined that no obstacle exists in front of the vehicle on the basis of front vehicle data, one drive axle in double electric drive axles is controlled to be in a neutral gear, and a transmission chain between the double electric drive axles is controlled to be disconnected; the other drive axle is controlled for driving and energy recovery; and under the condition that it is determined that an upslope exists in front of the vehicle based on the driving map and the gradient of the upslope is larger than a second target gradient threshold value, before the vehicle upslopes, the drive axle engaged in the neutral gear is controlled to be engaged in the first target gear. According to the invention, the purpose of reducing the energy consumption of the vehicle under the condition that the power response of the vehicle is not influenced can be achieved.

The invention discloses a combined ditching cutter with a soil throwing sheet and a design method of the soil throwing sheet, and belongs to the technical field of ditching cutters. The combined ditching cutter with the soil throwing pieces comprises an arc-shaped soil cutting cutter and the soil throwing pieces arranged on the arc-shaped soil cutting cutter, the soil throwing pieces are arc-shaped bent blades and are arranged on the inner arc side of the soil cutting cutter, the working end portions of the soil throwing pieces are close to a tangent blade of the soil cutting cutter, and the distance L between the mass center of each soil throwing piece and the top end of the angle of the tangent blade of the soil cutting cutter is 50. According to the design method, the bending angle alpha of the soil throwing piece is 30 degrees, and the maximum width b of the soil throwing piece is 60 mm. When the combined ditching cutter is installed on a ditching cutter head for ditching, it can be guaranteed that the overall ditching width is smaller than or equal to 100 mm, and efficient ditching can be guaranteed while soil disturbance is reduced.

The utility model relates to the technical field of coil stock processing and production, in particular to a winding device with a deviation rectifying function, which comprises a rack, winding rollers are arranged on two oppositely arranged side walls of the rack, guide wheels are symmetrically arranged at four corners of the bottom of the rack, two bases are symmetrically arranged below the rack, and the two bases are arranged on the two sides of the rack. Two sliding rails parallel to the central axis of the winding roller are symmetrically arranged on each base, the rack is installed on the sliding rails of the bases through guide wheels and is in sliding fit with the bases, one side of the rack is fixedly connected with a connecting piece, the connecting piece is in threaded connection with a lead screw, the lead screw is fixedly connected with the driving end of a deviation rectifying motor, and the deviation rectifying motor is connected with the driving end of the winding roller. And the screw rod is parallel to the central axis of the winding roller. The problems that in the winding process of coil materials, the phenomenon that the coil materials deviate easily occurs, the quality of coil material products is reduced, material waste is increased, the production efficiency is reduced, and the risk of damage to equipment is high can be solved.

The invention provides a driving method and a vehicle. The driving method comprises the steps that the current remaining electric quantity of a battery and the current load working condition of a walking system are obtained; adjusting the power generation power of the engine according to the current residual electric quantity, enabling the engine to generate power for the battery through the generator, and maintaining the electric quantity balance of the battery; driving modes are determined according to the current load working condition, the driving modes at least comprise a pure electric mode, a hybrid mode and a fuel oil mode, in the pure electric mode, the generator stops running, the battery is controlled to supply power to the walking motor, in the hybrid mode, the engine and the battery supply power to the walking motor together, and in the fuel oil mode, the engine supplies power to the walking motor. And the electric energy output of the battery is closed. The power generation power of the engine can be adjusted according to the current residual electric quantity, different driving modes are adopted according to different working conditions, the problem that a single driving mode cannot adapt to various working condition requirements can be avoided, meanwhile, the cost of the hybrid power driving system can be reduced, and the use stability and the service life of the hybrid power driving system are ensured.

The invention relates to the technical field of aircrafts, in particular to a tilt rotor aircraft. The tilt-rotor aircraft comprises a fuselage, canards, main wings, a first tilt-rotor group, a second tilt-rotor group and a third tilt-rotor group, the canards are arranged at the nose of the fuselage, the main wings are arranged at the tail of the fuselage, the first tilt-rotor group is arranged on the canards, the second tilt-rotor group and the third tilt-rotor group are arranged on the main wings, and the second tilt-rotor group and the third tilt-rotor group are arranged at the tail of the fuselage. The first tilting wing set is located on the axis of the mass center of the aircraft, the second tilting wing set is located on the axis of the mass center of the aircraft, and projections of at least four tilting wings in the first tilting wing set, the second tilting wing set and the third tilting wing set on the horizontal plane form a parallelogram with the mass center of the aircraft as the center. According to the aircraft, the canard wings are matched with the four balance tilting wings, so that the flight performance and the flight safety of the aircraft can be improved.

The utility model discloses an LED street lamp based on multiple solar cell panels. The LED street lamp comprises a lamp pole, a lamp holder support installed on the lamp pole, an LED lamp holder installed on the lamp holder support, an installation frame installed at the top end of the lamp pole and the multiple solar cell panels installed on the installation frame. According to the street lamp, the multiple solar cell panels are installed, so that the power generation efficiency is improved, more sufficient electric energy is provided for the LED lamp holder, and it is ensured that the street lamp continuously and stably operates. And the solar cell panel, the storage battery and the control box are stably installed and are convenient to disassemble and replace, so that later maintenance is facilitated.

The utility model discloses a mixed power control device of telescopic boom crawler crane, include: engine, clutch, motor, integration unit, control unit, battery system, direct current charging mouth and mains interface, hydraulic pump, integration unit includes OBC, PDU, AC DC rectifier module and DC DC conversion module, and battery system is integratively equipped with BMS module, TMS module, and direct current charging mouth and mains interface are electrically connected with battery system and integration unit respectively through central swivel joint, and control unit can acquire charging interface state, battery capacity, clutch pressure and load power in real time, and according to the automatic switching engine mode and motor mode of working condition, through the pressure value of closed loop control hydraulic clutch dynamic adjustment between setting connection point and disconnection point, be applicable to various complex working conditions, through control unit real -time detection and transmission signal control, guarantee that vehicle has sufficient power performance. The utility model is simple to operate, and quick and stable, and the energy utilization rate is high, safe, environmental protection.

This application discloses an electric drive system and a vehicle, relating to the technical field of vehicles. The electric drive system includes: a motor, comprising a stator, an inner rotor, and an outer rotor; an outer rotor output shaft, comprising a first shaft segment and a second shaft segment, the first shaft segment being fixedly connected to the outer rotor; an inner rotor output shaft, fixedly connected to the inner rotor; a primary reduction mechanism, comprising a primary first drive gear and a primary second drive gear, the primary first drive gear being loosely fitted onto the inner rotor output shaft, and the primary second drive gear being fixedly connected to the second shaft segment; a first switching device, installed on the inner rotor output shaft and the primary first drive gear; under the action of the first switching device, the inner rotor output shaft and the primary first drive gear are dynamically coupled or decoupled; a second switching device, installed on the first shaft segment and the second shaft segment, under the action of the second switching device, the first shaft segment and the second shaft segment are dynamically coupled or decoupled.

The utility model provides a motor of portable rotating equipment, which is a high-speed three-phase motor, and comprises a cylinder body, the cylinder body comprises an outer ring part, an inner ring part and a plurality of connecting blades for connecting the outer ring part and the inner ring part, a substrate is formed in the inner ring part, a hollow shaft cylinder is formed by protruding and extending backwards from the substrate, and a first buffer part is arranged outside the outer ring part; the driving plate is mounted at the front end of the inner ring part; the driving plate is electrically connected with the stator assembly and drives the rotor assembly to rotate, and the stator assembly and the rotor assembly are fixed in a nested mode and fixed to the shaft barrel from the back. By using the high-speed three-phase motor in the portable rotating equipment, under the condition that the size of the portable rotating equipment is limited, the motor is stable in structure and reasonable in layout, and sufficient rotating speed and power are provided for the portable rotating equipment.

This invention relates to the field of motorsports technology, and more particularly to a transmission system for an off-road rally car and a race car equipped with the transmission system. The system includes a frame and a transmission system mounted on the frame. Wheels are mounted on the frame via a suspension system. The transmission system includes a gearbox mounted at the rear of the frame and a differential mounted at the front of the frame; the gearbox and the differential are connected by a first driveshaft positioned at the front and rear. The suspension system includes front steering knuckles located inside the two front wheels, both of which are fixed to the front side of the frame via upper and lower double wishbone suspensions. This off-road rally car has advantages such as lighter weight, more compact structure, better handling, superior passability, and higher safety. The lighter vehicle has sufficient power performance, and its low self-friction resistance during travel improves its ability to traverse uneven roads, reducing the risk of rollover and thus improving race performance.

This invention discloses a high-power pulsed radiation source based on low-dimensional nanomaterials, belonging to the field of pulsed radiation sources. It includes an integrated base, a lamp head, and internal core functional units. The lamp head has an emission window, a fan-shaped lamp cover, and a cleaning rod. Through an operating ring linked to a gear ring, gears, and a worm gear structure, the opening and closing of the lamp cover and the cleaning of the window can be achieved synchronously. The sealed emission window can isolate dust and moisture. The power supply unit, pulse drive unit, low-dimensional nanomaterial emission module, and radiation control unit within the integrated base work collaboratively. The power supply unit provides dual-path power, the pulse drive unit transmits excitation signals and receives feedback, the emission module generates pulsed radiation, and the control unit achieves timing matching through a synchronization signal. This invention is easy to operate and maintain, ensuring both the cleanliness of the emission window and the safety of internal components, while also improving the stability and power of the pulsed radiation output, solving the problems of cumbersome maintenance and insufficient coordination in existing technologies.

The invention discloses a starting control system, a starting control method and a power-assisted trolley, the starting control system comprises a speed regulation system connected with a driving unit, the speed regulation system is provided with a fixed value starting domain and a variable value starting domain, the speed regulation system comprises a speed regulation switch, and the speed regulation switch is suitable for indicating a first output value in the fixed value starting domain; the speed regulating switch is suitable for indicating a second output value in a variable-value starting domain, and when the speed regulating switch is regulated to be in a fixed-value starting domain, the driving unit is suitable for driving the vehicle body to run at the first output value after being started; and when the speed regulating switch is regulated to be in the variable-value starting domain, the driving unit drives the vehicle body to run at the second output value. The driving unit is suitable for driving the trolley body to run at an initial output value lower than the second output value after being started, the initial output value is gradually increased to the second output value, the starting control system can enable the starting form of the trolley to be in a slow starting state, and danger caused by the fact that the trolley reaches a high speed within a short time is avoided.

The utility model discloses a drilling fluid separating device for well drilling, which comprises a centrifugal tank, a high-speed centrifugal mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, the high-speed centrifugal mechanism comprises a centrifugal pump, an upper cover, a centrifugal shaft, a connecting plate and an annular filter screen; the rapid clamping mechanism comprises a clamping rod, a flexible spiral piece, an inner fixing pipe, a tightening rod, a tightening piece and a clamping groove, the clamping auxiliary mechanism comprises a moving pipe, a rotating pipe, a threaded inner pipe and a fixing frame, and powerful power is provided through combination of the centrifugal pump and the centrifugal shaft, so that the annular filter screen can generate enough centrifugal force in high-speed rotation; the design that the clamping rods are combined with the inner fixing pipes and the tightening pieces allows the filter screen to be rapidly and stably installed and fixed, and therefore time and labor needed for maintaining and replacing the filter screen are greatly shortened, and labor needed for maintaining and replacing the filter screen is greatly reduced.

The present invention discloses an engine thrust chamber design method and an engine thrust chamber, belonging to the field of aerospace technology, including determining the number and layout of engines according to the design requirements of the attitude control power system at the end of the repair, and determining the performance parameters of the engines; matching the control requirements of the attitude control power system at the end of the repair with the performance parameters of the engines, determining the flow range of the propellant entering the engine and the pressure range of the engine thrust chamber; determining the injection scheme and profile scheme of the engine thrust chamber; performing simulation calculation on the engine thrust chamber to verify whether the performance of the engine thrust chamber meets the requirements. The present invention can meet the overall requirements of the attitude control power system at the end of the repair, and provide sufficient power for the attitude control power system at the end of the repair.

The invention discloses a driving wheel pair sky rail bogie and a connecting structure thereof. The driving wheel pair sky rail bogie comprises a framework assembly, the suspension assembly is fixed at the lower part of the framework assembly and is used for bearing a suspension vehicle body; the driving wheel pair is arranged on the framework assembly and is used for driving the framework assembly and the suspension assembly to move along the track; the vehicle body vibration reduction connecting structure is connected to the lower portion of the framework assembly and used for being connected with a suspended vehicle body; the driving wheel pair comprises a wheel pair and a wheel pair driving device, wherein the wheel pair is connected through a gear box and can rotate synchronously, and the wheel pair driving device is fixed to the framework assembly, connected with the gear box and drives the wheel pair to rotate. By means of the design of the driving wheel pairs, each wheel can better adapt to curve changes of the track, when the sky rail passes through a curve, transverse sliding and abrasion of the wheel pairs can be effectively reduced, the stability and safety of vehicle running are improved, the derailing risk is reduced, and the driving wheel pairs are particularly suitable for complex and changeable line layout of the sky rail, and the service life of the sky rail is prolonged. And the stability of the air rail system during operation on curves with different curvatures is guaranteed.

The invention provides a self-suction high-speed revolving cup servo motor adopting an air bearing, and relates to a servo motor of a high-speed revolving cup spinning machine, the self-suction high-speed revolving cup servo motor comprises a high-speed servo motor, a sensor module, a revolving cup component and a control module, the high-speed servo motor comprises a machine base, and a front end cover and a rear end cover are installed at the front end and the rear end of the machine base respectively; the high-speed servo motor further comprises a stator and a rotor, the stator is located in the machine base, the rotor is located in the middle of the stator, the rotor and the main shaft are coaxially connected and rotate synchronously, air bearings are installed at the two ends of the rotor, the air bearings adopt the air flotation technology, and the sensor module is located in the high-speed servo motor. The control module is located at the outer end of the rear end cover. The rotor part is driven in a direct drive mode, the air bearing is adopted, the transmission efficiency is improved, the spinning speed is increased, and meanwhile the service life of equipment is prolonged.

The embodiments of the present application provide a control method of a power battery heating system, and a power battery heating system. The control method includes: sending a first heating signal to a switch module, where the first heating signal is configured to control all upper bridge arms of a first bridge arm group and all lower bridge arms of a second bridge arm group to be turned on, and control all lower bridge arms of the first bridge arm group and all upper bridge arms of the second bridge arm group to be turned off, so as to form a first loop; and sending a second heating signal to the switch module, where the second heating signal is configured to control all the lower bridge arms of the first bridge arm group and all the upper bridge arms of the second bridge arm group to be turned on, and control all the upper bridge arms of the first bridge arm group and all the lower bridge arms of the second bridge arm group to be turned off, so as to form a second loop The first loop and the second loop are configured to generate heat by a current in the power battery to heat the power battery, and both a spatial phase difference between a three first windings and a spatial phase difference between a three second windings are 120°.

The invention relates to a wax mould injection device, which belongs to the technical field of mould injection and comprises a fixed mould mechanism and movable mould mechanisms arranged on two sides of the fixed mould mechanism, and the movable mould mechanisms on two sides move towards the fixed mould mechanism and inject wax moulds on two sides of the fixed mould mechanism. The fixed mold mechanism comprises a first fixed mold plate, core pulling mechanisms installed on the two sides of the first fixed mold plate, a driving mechanism driving the core pulling mechanisms to move and a demolding mechanism arranged in the first fixed mold plate and used for demolding an injected wax mold. The core-pulling mechanism comprises a first core-pulling assembly installed in the first fixed mold plate, a second core-pulling assembly installed on the other side of the first fixed mold plate and a linkage assembly connected with the first core-pulling assembly and the second core-pulling assembly. The wax mold injection device achieves the technical effects that the wax mold injection efficiency is improved, core pulling and demolding operation is accurately achieved, and the wax mold forming quality is guaranteed.

The present invention relates to the technical field of electric energy distribution, and discloses an electric energy distribution system and method based on dual-mode communication, including: according to a set of charging and swapping stations, adopting a data inference strategy to obtain the model type and quantity of batteries configured in each charging and swapping station; setting a threshold distance for dividing the area where the charging and swapping stations are located; according to the charging and swapping station set and the threshold distance, adopting a regional division strategy to obtain a replacement area set; according to a replacement vehicle set and a replacement area set, adopting an optimal replacement strategy to obtain the optimal charging and swapping station for replacing the battery of the replacement vehicle; obtaining the charging and swapping stations included in the replacement area to form an execution station set; according to the execution station set and the execution path, adopting an electric energy scheduling strategy to coordinate the batteries of the charging and swapping stations with replacement vehicles. Through the scheduling of replacement vehicles, the battery resources of full power stations and qualified power stations are coordinated, the battery resource utilization rate is improved, and the service level and user satisfaction of the charging and swapping stations are improved.

The invention discloses a pressure pipeline detection device, and relates to the field of pipeline detection, the pressure pipeline detection device comprises a detection mechanism, the detection mechanism comprises a power shell, the power shell is internally provided with a working chamber for storing a lithium battery, one end of the power shell is provided with an inlet channel, and one end of the inlet channel penetrates through the end face of the power shell; one end, far away from the inlet channel, of the first channel inclines downwards and penetrates through the surface of the outer ring of the power shell, a second channel is arranged at the other end of the power shell, one end of the second channel penetrates through the end face of the power shell, and the other end of the second channel penetrates through the surface of the outer ring of the power shell; the detection mechanism moves in the pressure pipeline, cracks on the inner wall of the pressure pipeline and turbidity of liquid in the pressure pipeline can be detected at the same time, and the problem that a conventional pressure pipeline detection device can only detect cracks of the pipeline and is small in application range is solved.

The present invention discloses a method, device, electronic device and computer-readable storage medium for starting and stopping a transport mode. The method is applied to an electronic device and comprises: obtaining a device startup instruction; detecting a transport mode entry mark according to the device startup instruction; if there is a transport mode entry mark, controlling the electronic device to enter or exit the transport mode according to the duration of a charging voltage signal of the electronic device; the present invention controls the electronic device to enter or exit the transport mode according to the duration of a charging voltage signal of the electronic device when there is a transport mode entry mark, so that the electronic device can enter or exit the transport mode stably and reliably; at the same time, the control logic of entering or exiting the transport mode is simpler, which reduces the control cost in a complex production line environment, effectively reduces the leakage of the electronic device during transportation, and ensures that the electronic device transported to the user has sufficient power, thereby improving the user experience.

The present invention discloses an energy-saving cold dryer capable of filtering dust and removing oil and a method for using the same, and relates to the technical field of cold dryers, including a filter pipe, a filter rack installed on the inner wall of the filter pipe, and a dust and oil filter installed on the inner wall of the filter rack. The present invention filters dust and removes oil from the gas that is about to enter the air intake pipe by setting the filter pipe, the filter rack and the dust and oil filter, thereby reducing the workload of the cold dryer, obtaining the pressure at both ends of the dust and oil filter through two wireless pressure sensors, and obtaining the pressure difference data through the pressure difference calculation module, when the pressure difference data to be detected exceeds a preset threshold, the microprocessor module sends an instruction to the PLC controller, and the PLC controller regulates the actuator to control the automatic replacement component to complete the automatic replacement of the filter pipe, thereby reducing the pollution of dust and oil mist to the cold dryer itself, improving the heat exchange efficiency of the equipment, and achieving the effect of energy saving and increasing the service life.

The present invention relates to the field of welding technology, and discloses a semi-automatic quartz boat rapid welding device, comprising a welding platform, first clamps are symmetrically installed on both sides of the welding platform, a second clamp is symmetrically installed in the middle of the welding platform, welding tools are installed on the top of the welding platform in a rectangular and equidistant arrangement, and a centering limit assembly for preventing the distance between the slot rod and the nail side plate from being unequal is symmetrically arranged on the outer side of the second clamp, and the slot rod is pushed to the center position by rotating the double-threaded screw and indirectly driving the centering rod to move, thereby ensuring that the slot rod can be automatically and accurately positioned in the middle of the device before welding, eliminating the position deviation occurring during manual placement; the above-mentioned automatic positioning mechanism not only improves the consistency of welding, but also reduces the phenomenon of empty welding caused by human errors. Secondly, the limiting pulling action of the limiting shell and the telescopic rod can prevent the centering rod from excessively pushing against the slot rod, further ensuring the accuracy and stability of the slot rod positioning.

The present application relates to the technical field of automatic transmission, and in particular to a calibration control method, device, vehicle, medium and program of an automatic transmission, which includes: obtaining a basic shift point table and a slope compensation shift point table of the automatic transmission; obtaining a target shift action that needs to increase the shift point when the slope is higher than a slope threshold, calibrating and optimizing the slope compensation shift point table based on the slope threshold, wherein the compensation value that needs to increase the shift point corresponding to the target shift action in the calibrated and optimized slope compensation shift point table is higher than the compensation value before calibration optimization; determining the target shift point based on the basic shift point table and the calibrated and optimized slope compensation shift point table, thereby controlling the automatic transmission to execute the target shift action. Thus, the problem that when a vehicle equipped with an automatic transmission is driving on an uphill working condition with many curves, steep slopes and long roads, the torque converter pump wheel continues to stir the oil, causing the transmission to overheat and trigger the torque limit protection, and the vehicle cannot continue to drive.

The present invention discloses a carbon fiber knitting needle punching device, comprising a transversely movable base assembly, a longitudinally movable compression plate assembly arranged on the base assembly, and a punch assembly cooperating with the compression plate assembly to position the product and lift and lower the punching product; the punch assembly comprises a flange driven by a lifting cylinder, a punching block arranged at the bottom of the flange, a clamping block embedded in the punching block, a punch embedded in the clamping block, and a locking member penetrating the punching block and locking to the side of the clamping block, the side of the clamping block is provided with a gap groove penetrating both ends thereof, the inner end of the gap groove clamps the punch, and the locking force of the locking member acts on the gap space of the compressed gap groove. The present invention realizes that the punching device has sufficient power and corresponding position adjustment function.

The utility model discloses a marine ecological floating bed. The marine ecological floating bed comprises a floating bed body, a seawater channel through which seawater flows is formed in the floating bed body, and a generator is mounted on the floating bed body; a driving assembly is installed in the seawater channel and used for driving a power generator to rotate. The driving assembly comprises a rotating shaft rotationally mounted in the seawater channel, an impeller fixed on the rotating shaft and a conical driving gear fixed on the rotating shaft; a conical driven gear is mounted on a rotor of the generator; and the conical driven gear is meshed with the conical driving gear.

The invention relates to the field of oil well construction equipment, and discloses a hydraulic anchor for sand adding fracturing operation of an oil and gas well, the hydraulic anchor comprises a hydraulic anchor main body pipe and an anchor tile, the hydraulic anchor main body pipe is provided with a slip groove, the hydraulic anchor main body pipe is fixedly sleeved with a limiting batten located on the outer side of the slip groove, the slip groove is internally and movably sleeved with a sliding plate, and the sliding plate is connected with the anchor tile. The anchor tiles are fixedly connected to the two ends of the outer side of the sliding plate, and a rubber packing sleeve located between the two anchor tiles is arranged between the limiting batten and the sliding plate. Through the structural design of a sliding plate linked with an anchor tile in a slip groove, a rubber packing sleeve, a positioning through pipe, a matched linkage block and a middle sleeve, anchoring and canceling are conducted through water pressure, and compared with an existing hydraulic anchor, anchoring and canceling are conducted through water pressure, so that power is sufficient, the situation that when the anchoring is canceled through the elastic force of a spring is avoided, and the anchoring efficiency is improved. Due to the fact that limited elastic force of the spring is not enough for unfreezing, the sand-adding fracturing operation efficiency is affected.

The present invention provides an adaptive controllable jet ramjet combination engine and its working method and application, the combination engine includes an air inlet, a combustion chamber, a tail nozzle, a small flow rocket and a large flow rocket; the air inlet, the combustion chamber and the tail nozzle are connected end to end in sequence; the small flow rocket is matched and installed in the combination section of the combustion chamber; the large flow rocket is matched and installed on the outside of the tail nozzle, and its air outlet is connected to the inner cavity of the tail nozzle; when the large flow rocket is started, its rocket plume can promote the formation of the aerodynamic throat in the tail nozzle; the tail nozzle is matched and installed with a rotating adjustment plate at the part connected to the air outlet of the large flow rocket. The present invention installs rockets in the flow channel in the combustion chamber and on the outside of the tail nozzle, and meets the requirements of high thrust and effective specific impulse required by the aircraft during the acceleration process in the ejection mode and the sub-combustion mode by adjusting the coupling effect of the large flow rocket, the small flow rocket and the tail nozzle.

This utility model relates to the field of stainless steel pipe processing and discloses an automatic precision steel pipe processing device. It includes a conveyor, a flaring mechanism, an inner edge-rolling mechanism, a laser marking machine, and a steel pipe transfer mechanism, all integrated on the same base and arranged at intervals. The conveyor is located on one side of the base and is used to transport cut steel pipes. Support fixtures are provided at the flaring mechanism, the inner edge-rolling mechanism, and the laser marking machine for horizontally placing the steel pipes. When the steel pipes are on the support fixtures, both ends of the steel pipes are suspended. The steel pipe transfer mechanism is suitable for transferring the steel pipes located at the tail of the conveyor to the flaring mechanism, simultaneously transferring the flared steel pipes from the flaring mechanism to the inner edge-rolling mechanism, and transferring the inner edge-rolled steel pipes from the inner edge-rolling mechanism to the laser marking machine. This utility model reduces labor costs and alleviates the labor intensity of workers; the precision of the flared steel pipes is higher; and the accuracy of the steel pipe transfer mechanism in grasping and transferring the steel pipes is guaranteed.

The invention relates to the technical field of mixer truck control, in particular to a high-temperature-resistant and high-humidity-resistant electric concrete mixer truck condensate water recycling control system which comprises a condensate water collecting device, a water storage tank, an auxiliary cooling circulation device, a detection device and a controller. The controller comprises three functional modules: 1, a conveying control unit, wherein the conveying control unit is used for determining the opening degree of a drain valve in condensed water conveying according to the grade of the highest temperature in each key component and the first maximum heating rate of each key component; the cooling control unit is used for determining a cooling mode according to the second maximum heating rate of the key part cooled by the condensate water and the average temperature of the condensate water in the auxiliary cooling circulation device; and the optimization unit is used for determining whether to optimize the cooling process parameters or not according to the maximum load variation of each qualified key component after cooling. According to the invention, the accuracy of temperature analysis of the key component is improved, so that the accuracy of temperature control of the key component is improved.