13results about How to "Strong torque" patented technology

The utility model discloses a rotor assembly and a motor, and the rotor assembly comprises a shaft body with a first connecting part, a rotor iron core, and a plastic-coated body. The first connecting part is provided with a spiral groove which spirally extends along the axis direction of the shaft body, and the rotor iron core comprises a plurality of magnetic conductive blocks which are arranged at intervals along the circumferential direction of the shaft body; a radial groove is formed between every two adjacent magnetic conductive blocks, the permanent magnets are embedded in the radial grooves, the rotor iron core, the permanent magnets and the shaft body are plastically packaged into a whole by the plastic-coated body, and at least part of the plastic-coated body is filled in the spiral groove. According to the utility model, the binding force between the rotor iron core and the shaft body of the rotor assembly is strong, and the overall strength and reliability of the rotor assembly are higher.

The invention relates to the technical field of electric tools for mines, in particular to a mining explosion-proof handheld impact torque wrench which comprises an outer shell and an explosion-proof inner shell, a direct-current brushless motor is mounted on the upper portion of the explosion-proof inner shell, and the front end of a motor shaft penetrates out of the explosion-proof inner shell to be sequentially connected with a speed reducing mechanism and an impact mechanism. The impact mechanism comprises a power spindle, a striking block, a T-shaped shaft and an impact spring, the rear end of the power spindle is connected with the speed reducing mechanism, the T-shaped shaft is fixed to the front end of the power spindle, the front end of the T-shaped shaft extends out of the shell, the striking block sleeves the power spindle, grooves are formed in the connecting surfaces of the striking block and the power spindle, balls are movably embedded in the grooves, and the two ends of the impact spring abut against the striking block and the power spindle; an 8-shaped movable groove is formed in the front end face of the striking block, the T-shaped shaft comprises an output shaft and a striking anvil block, and the striking anvil block can rotate in the movable groove. The mining explosion-proof handheld impact type torque wrench can effectively solve the technical problems that an existing electric impact wrench does not have the explosion-proof performance and is small in torque.

The present application relates to a kind of based on battery state's internal welding machine control method, device, equipment and medium, the method includes: according to the battery working parameter of internal welding machine, determine the SOC battery state of the battery, according to the task target and task target information of the internal welding machine, determine the load power demand of each power unit of the internal welding machine, according to each the load power demand and the SOC battery state, determine the target torque of the motor corresponding to each the power unit that meets the first constraint condition of pre-set, to control the internal welding machine based on each the target torque corresponding task target is executed.Through the method of the present application, based on the task target and task target information of internal welding machine, the load power demand of each power unit corresponding to internal welding machine when completing task target can be accurately determined, since each target torque determined meets the first constraint condition, then battery damage can be avoided.

This invention discloses a direct injection mixing intake structure for an LNG gas engine, comprising a multi-point injection module. The multi-point injection module includes a guide vane, an intake manifold, a mixer, and nozzles. The intake manifold is connected to the guide vane, the mixer is located in the intake channel of the intake manifold, and the nozzles are mounted on the guide vane and connected to the mixer. Several sets of guide vanes from the multi-point injection modules are sequentially connected in series to form a gas passage. The nozzles of each set of multi-point injection modules inject the gas from the gas passage into the mixer of their respective multi-point injection module, where it mixes with air supplied to the intake manifold of that multi-point injection module to form a mixed gas. Each set of multi-point injection modules corresponds one-to-one with each cylinder of the gas engine, effectively ensuring that the mixed gas drawn into each cylinder maintains a uniform and stable air-fuel ratio.

The invention relates to the technical field of roller bits, in particular to an equal-wall-thickness screw motor which comprises an equal-wall-thickness stator, the inner wall of the equal-wall-thickness stator is provided with a linear structure, and equal-thickness rubber is arranged on the linear structure. The engineering plastic is used for injection molding, and after molding, the strength is high, the hardness is high, and the bearing performance is high.

The invention discloses a fixed hydraulic disc brake caliper which comprises a caliper body assembly and a friction plate assembly arranged in the caliper body assembly, the friction plate assembly comprises a pair of friction plate bodies which are oppositely arranged, the caliper body assembly comprises an inner caliper body and an outer caliper body which are matched with each other, the inner caliper body is provided with a mounting hole used for mounting and fixing the whole brake caliper, and the outer caliper body is provided with a mounting hole used for mounting and fixing the whole brake caliper. The inner caliper body and the outer caliper body are both provided with driving cylinders for driving the friction plate bodies on the corresponding sides to move, and the inner caliper body and the outer caliper body are both provided with return elastic structures for returning the friction plate bodies on the corresponding sides. The fixed hydraulic disc type brake caliper is reasonable in structural design, can realize strong torque and high braking force, improves driving safety, cancels a mounting bracket, is provided with a mounting hole and is fixed on the mounting plate, four cylinders on the two sides are hydraulically and simultaneously clamp the brake disc, stable braking is realized, and the fixed hydraulic disc type brake caliper can be suitable for heavy-load mechanical equipment.

A magnetic wind turbine blade that relieves pressure with a predetermined wind force comprises a first window sash and a second window sash that are arranged opposite to each other and rotate around an axis respectively; a magnetic member that attracts each other is provided on the side opposite to the second window sash, and when the wind pressure is greater than the magnetic force of the magnetic member, the first window sash and the second window sash automatically open after getting rid of the magnetic force. The present invention can be opened with a predetermined wind force, and there will be no situation where the window sash is opened even though you do not want it to be opened. Only when the wind pressure is greater than the magnetic force of the magnetic member, each window sash automatically opens after getting rid of the magnetic force. In this way, each window sash automatically opens after getting rid of the magnetic force when the wind pressure is greater than the magnetic force of the magnetic member, and when encountering strong winds, the window sash automatically opens after getting rid of the magnetic force to relieve pressure, thereby ensuring the safety of the generator and the tower.

The utility model provides a pressing rivet nut and a connecting system. The pressing rivet nut comprises a flange part, a nut part and a nut part, the deformation pressing part is connected to one end of the flange part in the axial direction; the inner hole penetrates through the flange part and the deformation pressing part in the axial direction; the end face of the end, connected with the deformation pressing part, of the flange part protrudes outwards to form the positioning teeth, and the positioning teeth surround the periphery of the deformation pressing part; and the multiple anti-rotation parts are formed in the mode that the end face of the end, connected with the deformation pressing part, of the flange part protrudes outwards, and the anti-rotation parts surround the peripheries of the positioning teeth. The pressing rivet nut provided by the utility model has stronger torsion, and is more suitable for the connection of connected pieces such as low-strength aluminum bars and other low-strength soft plates.

This application relates to an ammonia internal combustion engine system and its control method, belonging to the field of internal combustion engines. The ammonia internal combustion engine system includes an ammonia supply device, an ammonia decomposition device, an engine block, and an ignition device. The ammonia supply device includes an ammonia injector for supplying ammonia. The ammonia decomposition device includes a catalyst for decomposing ammonia into nitrogen and hydrogen. The engine block includes a main combustion chamber. The ignition device is partially located within the main combustion chamber. The control method for the ammonia internal combustion engine includes controlling the total ammonia flow rate to 20–23 L / min, simultaneously controlling the ammonia decomposition rate in the ammonia decomposition device to 50–60%, and controlling the equivalence ratio to 1.05–1.23. This control process prioritizes power characteristics while also considering good burnout and emission characteristics. It not only provides a reference for the design and application of ammonia internal combustion engines but also represents a practical control method for ammonia internal combustion engines.

The utility model provides a kind of multi-unit moving coil motor, including at least two parallelly arranged substrates and the rotating shaft passing through the end surface of substrate, first coil winding and second coil winding are evenly arranged in the two end surfaces of substrate, first permanent magnet group and second permanent magnet group are arranged in the two end surfaces of substrate, first permanent magnet group and second permanent magnet group are all suspended outside first coil winding and second coil winding, fixed plate is arranged in the side of first permanent magnet group and second permanent magnet group away from substrate, first permanent magnet group and second permanent magnet group are all fixed on the fixed plate.The permanent magnet group of the application can form coverage to the deflection range of first coil winding and second coil winding, secondly, the magnet is arranged on both sides of coil in the application, compared with the magnet on one side, it has better magnetic field intensity.Finally, the application is arranged by parallelly arranging multiple substrates, compared with single substrate, it can provide stronger torsion to rotating shaft.

A speed reducing motor for an automobile pedal comprises a motor body and a speed reducing box in transmission connection with the motor body, the speed reducing box comprises a box body, and an input cavity, a speed reducing cavity and an output cavity which are communicated in sequence and are perpendicular to one another in axis are formed in the box body; the box body is provided with an input port on one side of the input cavity, and a flange cover is integrally formed on the outer side of the input port; a middle worm and a middle bevel gear arranged on the middle worm in a sleeving mode are arranged in the speed reduction cavity. An output shaft and an output bevel gear which is arranged on the output shaft in a sleeving mode and meshed with the middle worm are arranged in the output cavity, output ports are formed in the positions, at the two ends of the output cavity, of the box body, and the two ends of the output shaft penetrate through the output ports and extend to the outer side. The motor body comprises a machine shell, a stator, a rotor and a motor shaft, the machine shell is installed on the flange cover, the end portion of the motor shaft penetrates through the input port, extends into the input cavity and is in transmission connection with the middle bevel gear, and a Hall controller is arranged in the flange cover; the utility model has the advantages of compact structure, large torque, reliable self-locking, integrated control and the like.

The invention discloses a new energy automobile hybrid power output transmission system which comprises a frame, a front axle, a rear axle, wheels, a transmission shaft and a connecting shaft, the frame is fixedly connected with an engine, the engine is in transmission connection with a gearbox through a clutch, the tail end of the gearbox is movably connected with a transmission main shaft used for transmitting power, and the transmission main shaft is fixedly connected with the front axle. A speed change device for changing the speed of the transmission main shaft is arranged at the bottom of the transmission main shaft; through a pneumatic motor of an acceleration mechanism, when a vehicle accelerates, especially shifts gears, an electric control system in the vehicle accurately controls the air inflow to adjust the rotating speed and the torque according to the rotating speed, the gears and other information of an engine, and when the power connection of the engine at the low gear and the rising gear is delayed, the pneumatic motor can rapidly provide the strong torque which is transmitted to a transmission main shaft through a transmission assembly; the power gap is effectively filled, the vehicle jerking is avoided, the acceleration process is stable, and the driving comfort is remarkably improved.

The invention provides a chain saw motor, and belongs to the technical field of motors, the chain saw motor comprises a shell, a rotating shaft, a rotor assembly, an electric driver, a stator assembly and a connecting piece, the shell is fixed on the rotating shaft, the rotor assembly is arranged in the shell, the electric driver is arranged in the rotor assembly, the stator assembly is arranged in the electric driver, and the connecting piece is connected with the stator assembly. On the basis of the outer rotor large-torque motor, the load coupling influence of the chain saw is considered during electromagnetic design through multi-target optimal parameters, the core outer rotor large-torque motor can provide strong torque, the maximum torque can reach 4 N.m, the cutting task of thick and large trunks, thick and heavy wood and the like can be easily coped with, and the working efficiency is greatly improved.