14results about How to "Smooth output torque" patented technology

The embodiment of the utility model provides a motorcycle engine which comprises a crankshaft, the crankshaft comprises a main journal, a primary driving gear assembly, crank throws arranged on the two sides of the axis of the main journal, and crankshaft balance blocks arranged on the two sides of the crank throws; the number of the crankshaft balance blocks is six, and the two sides of each crank throw are each provided with one crankshaft balance block. The crankshaft balance blocks on the two sides of the crank throw corresponding to each air cylinder balance the reciprocating inertia force and the rotating inertia force of the connecting rod piston assemblies of the corresponding air cylinders and the crank throw respectively, and meanwhile, the crankshaft balance blocks are matched with the rotating inertia force of the balance shaft to achieve complete balance of each connecting rod piston assembly and the crank throw. The primary driving gear assembly is provided with a primary driving gear buffer mechanism; according to the engine, the problems of vibration and unstable power transmission are solved, the problem that power is not smooth or flameout occurs during low-load output of a high-gear engine is solved, and the driving comfort and the driving smoothness are improved.

The invention discloses a drilling machine power head speed change structure which comprises a shell, a top plate is arranged at the top of the shell, a first speed change device is arranged on one side in the shell, a second speed change device is arranged on the other side in the shell, a speed change bin is arranged above the second speed change device, a stabilizing bin is arranged below the second speed change device, and a partition plate is arranged between the speed change bin and the stabilizing bin. A hydraulic motor is arranged in the center of the rotating sleeve, a sleeve gear is arranged on the outer side of the middle of the rotating sleeve in a surrounding mode, and hydraulic sleeves are arranged at the upper end and the lower end of the rotating sleeve. The two-stage speed change structure has the beneficial effects that torque can be superposed or reduced through relative rotation, the torque change range is enlarged, meanwhile, speed change is more uniform and reliable through cooperation of the stepless speed change type structure and the hydraulic motor, meanwhile, stability of the output torque of the motor is guaranteed, and the service life of the motor is prolonged. The drilling machine has the advantages of a motor drilling machine and a hydraulic drilling machine.

The invention relates to a constant-amplitude high-frequency shimmy motor and a control method thereof, the structure comprises a motor support, an electromagnetic coil, a damping block, a vibration arm assembly, a front cover and a magnet, the front cover is arranged at the front end of the motor support, the magnet is arranged at the rear end of the motor support, and an inner cavity is formed in the motor support to accommodate the vibration arm assembly. The outer edge of the rear portion of the inner cavity is coated with an electromagnetic coil, the vibrating arm assembly comprises a swing arm, a rotating shaft, a bearing and a connecting frame, the swing arm is a linear iron swing arm, the rear portion of the swing arm is located in the electromagnetic coil on the rear portion of the inner cavity, a disc part is formed in the front portion of the swing arm, and a shaft hole allowing the rotating shaft to penetrate through is formed in the disc part; the rear end of the connecting frame wraps the front portion of the swing arm and forms a cylinder structure for containing the disc portion of the swing arm, and the front end of the connecting frame is connected to the rear end of the output shaft to output power. Therefore, the defects in the prior art can be overcome, the problems of large noise and easy abrasion in actual use are solved, and the power output is more constant and reliable.

This utility model relates to the field of power machinery technology and discloses a centrifugal mechanical power enhancer, including a support frame with a symmetrical support structure. One end is fixed with a reinforcing part, and the other end is rotatably connected to a second gear disk. The middle section supports a drive device. The drive device, using a motor structure, is located at the lower part of the support frame and is connected to the drive shaft via a chain to provide initial rotational power. The reinforcing part, the core power enhancement unit, includes: a first gear disk, coaxially connected to a connecting shaft, with an inner gear ring meshing with a drive gear, and circumferentially distributed mounting positions for the iron-throwing parts on the outer side; a positioning disk, coaxially arranged with the gear disk and maintaining a distance, rotatably connected to the support frame via bearings, providing a reaction force fulcrum for the iron-throwing parts; and three symmetrically arranged iron-throwing parts, each containing a 24 kg iron-throwing body. This utility model features a compact structure, efficient transmission, and enhanced power through the cooperation of the iron-throwing parts and gear disks. The electrical control cabinet allows for precise adjustment, adapting to different loads and exhibiting strong stability.

The invention discloses a double-acting type motor disc brake device which comprises a driving module, a transmission module and an execution module. The driving module is composed of a motor, a bevel gear and a shell, the direction of torque output by the motor is changed through the bevel gear, and the torque is transmitted to the transmission module; the transmission module is composed of a gear, a transmission shaft and a bearing and used for increasing torque and transmitting the torque to the execution module. The execution module is composed of a threaded rod, brake pads and a bearing, threads on the left side and the right side of the threaded rod are opposite in rotating direction, torque drives the threaded rod to rotate and drives the two brake pads to move oppositely, and a brake disc is extruded to complete the braking action. The single motor is used for achieving simultaneous opposite movement of the brake pads on the two sides, and deformation caused by extrusion of the brake pads is avoided.

The present application relates to the technical field of vehicles, and discloses a motor torque zero-crossing control method and device, a vehicle, electronic equipment and a medium. The method controls the motor to sequentially output a first direction torque and a second direction torque when the vehicle is in a continuous high-speed sliding state, so that the gear moves on different sides of the teeth. The motor rotor angular velocity and the vehicle tire rotation angular velocity in this process are collected, the transmission system gap is determined, and the target torque gradient correction value is matched to determine the current torque zero-crossing gradient of the vehicle, thereby performing torque zero-crossing control on the motor of the vehicle. The current torque zero-crossing gradient is corrected during vehicle driving, and the determination and correction of the current torque zero-crossing gradient are personalized for each vehicle, thereby improving the adaptability of the current torque zero-crossing gradient, the smoothness of the power system output torque, and the user experience.

This invention discloses a copper-based powder metallurgy friction plate for wind turbine torque limiters and its preparation method. The friction plate blank is first subjected to pressureless sintering to obtain a pre-sintered blank, and then the pre-sintered blank is re-pressed to obtain a re-pressed friction plate blank. The re-pressed friction plate blank is then assembled with a copper-plated steel backing to obtain a composite blank, which is then subjected to pressure limiting sintering to obtain the final product. The preparation method of this invention, through the synergy of pressureless pre-sintering, re-pressing, and pressure limiting sintering, obtains a copper-based powder metallurgy friction plate for wind turbine torque limiters with small deformation, high density, and excellent mechanical and tribological properties.

The present invention discloses a model-free predictive speed control method and system based on a permanent magnet synchronous motor, which is applied to the field of permanent magnet synchronous motor speed control. The method comprises: establishing a pole polynomial of periodic disturbance of the permanent magnet synchronous motor; designing a model-free predictive speed controller according to the pole polynomial; outputting a current inner loop reference current according to the model-free predictive speed controller; and embedding the pole polynomial of periodic disturbance into the model-free predictive speed controller, based on the internal model principle, suppressing the periodic disturbance existing in the system, thereby improving the stability of the output speed and torque of the control system.

The application discloses a stable torque output device, method and mechanical clock, and the device comprises a barrel wheel provided with a spring, a friction assembly, a large wheel and a barrel shaft, the spring is detachably installed in a spiral groove of the spring barrel, the friction assembly comprises a fixed end, an elastic connecting rod and a contact end in a pressing state with the spring and arranged in the spiral groove, the spring releases elastic potential energy to drive the barrel wheel to rotate, the spring output torque becomes small, the friction torque generated by the friction assembly becomes small with the decrease of the friction arm of the contact end, and the overall output torque of the stable torque output device is the vector sum of the spring output torque and the friction torque. Through the friction consumption of the friction assembly, the overall output torque of the barrel wheel to other transmission system components of the mechanical clock reaches stability, and the problem that the driving speed of the transmission system is different due to the different elastic potential energy of the spring in the initial working stage and the later working stage of the mechanical clock, thereby causing the difference between the forward and backward running time of the clock is solved to a certain extent.

The invention relates to an electric cylinder comprehensive performance testing device, which comprises a mounting seat, an adapter block assembly, a digital display depth gauge, a reverse transmission push rod assembly, a magnetic powder brake, a torque sensor, a motor, a sealing plate, an air pressure protection grade testing assembly and a console, and is characterized in that two ends of a tested electric cylinder are respectively mounted on the mounting seat and the adapter block assembly; the two ends of the digital display depth gauge are connected with the switching block assembly and the reverse transmission push rod assembly respectively. The reverse transmission push rod assembly is connected with the torque sensor; the magnetic powder brake is connected with the torque sensor; and the sealing plate is arranged on the tested electric cylinder and the motor. Compared with the prior art, the device can test multiple performances of the electric cylinder at the same time; the torque sensor tests the torque between the reverse transmission push rod assembly and the magnetic powder brake; the air pressure protection grade test assembly is connected with different to-be-tested electric cylinders through the sealing plate, adjustment is not needed in each test, and the magnetic powder brake can provide stable output torque and provide constant load required by the electric cylinder thrust test.

The invention relates to the field of electric assembly tools, in particular to an electric constant-torque electric gun which comprises a support fixedly connected with an electric gun shell structure. The input shaft is used for being fixedly connected with a shaft of the driving motor, and the position of the input shaft relative to the electric gun shell structure is unchanged; a sliding block is sleeved with the shaft sleeve in a one-freedom-degree sliding mode along the axis of the shaft sleeve, and one end of the sliding block is in threaded connection with the input shaft. According to the electric constant-torque electric gun, the effect of keeping output torque when the electric quantity of the battery is reduced can be achieved, the transmission ratio between the input shaft and the output shaft can be automatically adjusted according to the output torque of the driving motor and the load resistance as adjusting conditions, and therefore the output torque of the driving motor can be automatically adjusted after the voltage attenuation of the battery causes the torque reduction. The output torque of the output shaft is kept stable by reducing the transmission ratio and sacrificing the rotating speed of the output shaft, and the problem that in the prior art, the output torque of an electric pistol drill is lower than a set value range due to reduction of the electric quantity of a battery is effectively solved.

The utility model relates to the technical field of permanent magnet auxiliary synchronous reluctance motors, and discloses a high-efficiency stable permanent magnet auxiliary synchronous reluctance motor, which comprises a base, a motor body is fixedly connected in the base, a heat dissipation opening is formed in the motor body, a stator iron core is fixedly connected in the motor body, and the stator iron core is fixedly connected in the base. A stator winding is fixedly connected to the interior of the stator core, a heat dissipation channel is formed in the interior of the stator core, a rotating shaft is rotatably connected to the interior of the motor body, a rotating block is fixedly connected to the outer wall of the rotating shaft, and an optimized rotor assembly is fixedly connected to the outer wall of the rotating block. According to the utility model, alternating current is introduced through the stator winding to drive the rotor body to rotate, and finally, the magnetic field distribution can be improved, the efficiency of the motor can be improved, the mechanical vibration and noise can be reduced, the stability and comfort of motor operation can be improved, the service life of the motor can be prolonged, and the efficiency of the motor can also be improved.

This invention relates to the field of edge computing torque filtering technology, specifically disclosing a real-time torque filtering and noise reduction method and system for electric actuators under an edge computing framework. The method includes the following steps: responding to a startup or configuration request from the electric actuator, receiving industry-level data benchmarks from the cloud, performing weighted calibration in conjunction with local experimental data, and generating initial filtering parameters; collecting multi-source sensor data from the electric actuator and performing time-series alignment, and using the initial filtering parameters to perform initial linear filtering on the torque signal in the multi-source sensor data to obtain a linear estimation signal. This invention introduces a dual-path heterogeneous verification mechanism based on a linear shadow predictor, enabling the system to sensitively capture minute abrupt changes in pseudo-stationary states during the operation of a simplified model, thus solving the problem that lightweight models are prone to over-smoothing and losing transient response details.

The invention provides a pump body structure, fluid machinery and heat exchange equipment, the pump body structure comprises a first air cylinder, a second air cylinder and a crankshaft, the first air cylinder is provided with a first slip sheet groove, the volume of the first air cylinder is smaller than that of the second air cylinder, the second air cylinder is provided with a second slip sheet groove, and the crankshaft is provided with a first eccentric part arranged in the first air cylinder; in the rotating process of the crankshaft, a first phase is formed when the first eccentric part and the first sliding piece groove are aligned, a second phase is formed when the second eccentric part and the second sliding piece groove are aligned, a phase angle theta is formed between the first phase and the second phase, and the phase angle theta is larger than or equal to-90 degrees and smaller than or equal to 80 degrees. According to the pump body structure, the fluid machine and the heat exchange equipment, the problem that in the prior art, due to the fact that resistance moments of a multi-cylinder compressor are stacked, unbalanced force is increased, and the reliability of a pump body becomes poor can be solved.