849 results about "High torque" patented technology

The invention discloses a magnetic adjusting assembly, a motor, an electric drive system and a vehicle, and the magnetic adjusting assembly comprises a magnetic conductive part which is suitable for being movably disposed on one side of a rotor in the radial direction, so as to adjust the magnetic flux passing through the rotor. According to the magnetic adjusting assembly, the magnetic flux passing through the rotor is adjusted to change the magnetic flux of the magnetic flux short-circuit loop formed by the magnetic conductive piece and the rotor, so that the adjustment of the magnetic flux of the main magnetic field is realized, the adjustment is convenient, and the motor applying the magnetic adjusting assembly has the advantages of a constant torque area and a constant power area; and a constant-power operation region and a high-efficiency region are effectively widened while high torque density and power density are ensured.

The invention relates to the technical field of suspension conveying systems, in particular to a servo-driven intelligent suspension conveying system, and solves the problems that when a servo motor suspension conveying system accelerates or decelerates, due to inertia of goods at the bottom, the power output power of a suspension system of a servo motor and the burden of a brake system are heavy, and the service life is short. And the service life of a servo motor and a brake system is shortened after long-time work. A servo-driven intelligent suspension conveying system comprises a conveying guide rail module, a guide rail sliding block, a sliding block driving module, a conveying suspension module and a control module, and the sliding block driving module is located on the outer side of the guide rail sliding block. When the guide rail sliding block is started, magnetic repulsion of the electromagnet to the guide rail sliding block is adjusted, the output torque of the double-shaft servo motor and the rotating load of the driving shaft are reduced, the situation that the double-shaft servo motor is damaged or breaks down due to high torque and high load when the double-shaft servo motor is started is avoided, and the service life of the double-shaft servo motor is prolonged.

The invention discloses a torque monitoring method, system and device, a controller, a storage medium and a product. The torque monitoring method comprises the steps that energy conversion data of a vehicle and motion data of the vehicle are acquired; determining a first actual output torque of the motor according to the energy conversion data of the vehicle; determining a second actual output torque of the motor according to the motion data of the vehicle; performing rationality verification on the first actual output torque and the second actual output torque to obtain a rationality verification result; comparing at least one of the first actual output torque and the second actual output torque with a target output torque expected to be output by the motor to obtain a torque comparison result under the condition that the rationality verification result is that verification is passed; and executing a corresponding control strategy according to the torque comparison result. According to the embodiment of the invention, the accuracy and safety of torque monitoring are improved under the condition that the hardware cost is saved.

The invention relates to the technical field of electric vehicle driving control, and particularly discloses a driving control system and method for intelligent transfer equipment. The driving control method is used for solving the driving control problems of large current tracking error, high torque ripple and noise vibration, unstable regeneration and poor low-speed micro-climbing and ramp restarting response caused by sampling and inverter time lag, parameter drift, bus fluctuation and degradation faults of a six-phase permanent magnet synchronous motor of intelligent transfer equipment under the complex working condition of a port. The system comprises an AT-AGV, a PMSM, a six-phase inverter, a DC bus, a controller and a planning module. Through midpoint sampling, two-beat equivalent time-delay modeling and limited deadbeat voltage optimization, and in combination with xy harmonic compensation, online parameter identification, three-section regeneration trajectory and fault-tolerant SVPWM, robust stability and high-efficiency recovery under low-overshoot rapid torque establishment, low ripple and low NVH, bus fluctuation and fault are realized; accurate current tracking and smooth traction are realized during micro-crawling and ramp restarting.

The invention provides a wheel torque distribution method, device and equipment and a vehicle, and is applied to the technical field of vehicle control, and the method comprises the steps: determining the structure perception characteristics representing the torque control priority of each wheel based on the current wheel state data, and determining the torque control priority of each wheel based on the wheel state data of a first preset time period until the current moment; and predicting the state of each wheel in a second preset time period after the current moment to obtain state prediction information of each wheel, performing torque distribution on each wheel based on the structure perception characteristics and the state prediction information, and determining the target torque of each wheel. The key driving wheel, namely the wheel with the highest torque control priority, can be effectively identified, so that the wheel torque is reasonably distributed in time, the intelligent distribution of the wheel torque is realized, the vehicle escape time and energy consumption are reduced, and the control precision is improved.

A mounting system for mounting a device to an object includes a mount having a fixed portion, and a movable portion slidingly engaged with the fixed portion. The fixed and the movable portions defining a base, and when engaged with one another defining a circular profile. A lever is pivotally mounted to the fixed portion so as to operably engage the movable portion in a locked position and disengage from the movable portion in an unlocked position. A connector is operably engaged with the fixed portion. An indexed adjusting system has a coin-shaped body having a series of circumferentially equally spaced semi-spherical projections on both sides of the body, and first and second series of circumferentially equally spaced dimples positioned on the fixed portion and on the connector, respectively. The semi-spherical projections on both sides of coin-shaped body engages the circumferentially equally spaced dimples positioned on the fixed portion and the connector, respectively. A fastener engage the fixed portion with the connector, such that a low torque on the fastener permits a smooth friction hold between the mount and the connector, a medium torque permits an indexed friction hold and a high torque is a fully locked condition of the mount and the connector.

Systems, methods, and devices for blowout preventer independent alignment and installation of a tubing hanger within a subsea well system. A tubing hanger orientation assembly may be included with a rotary actuator that provides high torque adjustment and fine alignment of the tubing hanger with respect to other subsea equipment. At least one sensor may be included to measure and confirm an orientation of the tubing hanger for proper alignment and connection to a subsea wellhead.

The invention relates to the technical field of new energy commercial vehicle transmission systems, in particular to a distributed planet row gear shifting structure and a gear shifting mode thereof.The distributed planet row gear shifting structure comprises a driving mechanism, an integrated gear shifting sliding sleeve, a gear ring, a planet carrier, a planet wheel, a sun wheel and a half shaft; the integrated gear shifting sliding sleeve is movably installed on the side portion of the planet carrier, and the planet carrier is connected with the half shaft and used for outputting power to the wheel end. By the adoption of the distributed planet row structure, switching of two gears can be achieved, gear switching can be conducted according to the comprehensive requirements for the dynamic property and economical efficiency of the whole vehicle, a transmission shaft and a differential mechanism in a traditional central driving structure are omitted, energy consumption is further reduced, the torque density of the planet row structure is higher than that of a parallel shaft structure, and the torque density of the planet row structure is higher than that of the parallel shaft structure. And multiple groups of meshing functions are integrated through the integrated gear shifting sliding sleeve, the number of parts is reduced, the overall size is reduced, the weight is reduced, and the layout requirements of light weight and small space of the new energy commercial vehicle are met.

The application provides an engine torque calibration method and device and a vehicle controller, and belongs to the field of vehicle control, wherein the method comprises the following steps: obtaining an engine target torque and a generator signal torque of a hybrid vehicle; calculating a torque deviation of the hybrid vehicle according to the engine target torque and the generator signal torque; calculating an engine demand torque of the hybrid vehicle based on self-learning of the torque deviation, and calibrating the engine signal torque based on the engine demand torque, so that the engine signal torque, the generator signal torque and the engine target torque of the hybrid vehicle are consistent. Through the embodiment of the application, the problems that the real engine torque is too large to cause poor fuel consumption performance and poor drivability in low-temperature extreme working conditions are solved, the problem that the real engine torque is too small to cause unbalanced electric quantity in the emission cycle test process is solved, the fuel consumption performance of the vehicle is improved by improving the torque accuracy, the low-temperature driving performance of the vehicle is improved, and the electric quantity is more easily balanced.

A single-motor-driven planetary gear train electric drive axle comprises a drive motor, a main speed reduction unit, a planetary speed reducer and a differential mechanism which are in transmission connection in sequence. A sun gear of the planetary reducer is connected with a sun gear shaft, an inner gear ring is fixed, and a planet carrier is in transmission connection with the differential. A gear shifting mechanism is further arranged between the main speed reduction unit and the planetary speed reducer and used for connecting power connection between the main speed reduction unit and the sun wheel shaft or power connection between the main speed reduction unit and the planet carrier. According to the electric drive axle, the gear shifting mechanism is arranged at the output end of the main speed reduction unit, the sun gear and the planet carrier are arranged, the inner gear ring is fixed, the occupied space is small, and the weight is lighter. When first-gear large-torque output is carried out, a transmission system has the requirements for high strength and high rigidity, the requirement for second-gear efficient operation is met, the part machining difficulty of a planet row gear shifting mechanism is lowered, the strength and reliability of an electric drive axle assembly for planet row gear shifting are effectively improved, and the product machining and assembling difficulty is effectively lowered.

The invention relates to the technical field of drilling engineering, and particularly discloses an intelligent torque control method suitable for a high-torque drilling screw rod, and the method comprises the steps: collecting drill string vibration frequency data and bit pressure adjustment frequency data in real time in a drilling process, extracting a zero-sequence vibration frequency characteristic value in combination with sparse Fourier transform, and evaluating the vibration stability of a drill string; meanwhile, differential adjustment frequency is analyzed through empirical mode decomposition and Hilbert transform, differential adjustment frequency characteristic values are constructed to measure bit pressure adjustment stability, the two characteristic values are fused into a comprehensive characteristic vector, the comprehensive characteristic vector is input into a risk prediction model trained based on a random forest algorithm, and the bit pressure adjustment stability is improved. Intelligent identification of whether the drill column is in a high-frequency resonance critical state or not is achieved, and when it is judged that resonance risks exist, the system automatically triggers a torque compensation mechanism, and bit pressure and torque output are dynamically adjusted.

The invention discloses a micro-robot joint driving mechanism and a multi-joint micro-robot, and relates to the technical field of micro-robots. According to the joint driving mechanism, through the axial integrated arrangement of the shell, the brushless outer rotor motor, the multi-stage meshing transmission assembly, the power output connecting piece and the circuit board and the integrated design of a stator of the brushless outer rotor motor and the circuit board, a compact micro structure is achieved; and a closed-loop position detection system formed by a magnetic encoder and a magnetic ring is matched, so that high torque output and high transmission efficiency are realized under the condition of miniaturized volume, and meanwhile, part redundancy is reduced so as to reduce the cost. The mechanism solves the problem that miniaturization, high torque and low cost are difficult to consider in the prior art, and can be widely applied to miniature multi-joint robots.

The invention belongs to the technical field of machine tool motorized spindles, and relates to a preload adjusting device applied to a rear bearing of a motorized spindle, the motorized spindle and the motorized spindle comprising the preload adjusting device. The device is integrated at the rear end of an electric spindle, a rear bearing piston is driven by hydraulic oil to move axially, pre-tightening force on a load bearing is dynamically applied and accurately adjusted, and the pre-tightening force is finally transmitted to a broach mechanism. The pretightening force of the motorized spindle can be automatically adjusted according to the rotating speed (low, medium and high), the contradiction between high rigidity and low temperature rise in the wide rotating speed range is solved, the high-performance motorized spindle is particularly suitable for high power, high torque and the wide rotating speed range, and high rigidity during low-speed heavy cutting and long service life during high-speed operation are achieved.

The invention provides an output torque control method, electronic equipment and a vehicle, and belongs to the technical field of vehicle torque control, torque feedforward is combined with acceleration closed-loop control and is combined with a series-parallel closed-loop control framework with dead-zone compensation torque closed-loop control, and the final output is torque instead of the position or speed in the related technology. This enables a series-parallel closed-loop control architecture to very conveniently construct a torque control system. The series-parallel closed-loop control architecture utilizes feedforward to realize almost delay-free response so as to reduce control delay, and utilizes acceleration closed-loop control to inhibit internal and external disturbance, enhance robustness and improve torque control precision. Interference of a non-linear dead zone is overcome through dead zone compensation, and the torque control precision of low-speed and steady-state scenes is guaranteed. Therefore, the series-parallel closed-loop control architecture can dynamically adjust the output torque in the driving process, so that accurate and rapid conversion from the acceleration to the torque of vehicle longitudinal control is realized, and the control precision and the response speed of the output torque are improved.

The utility model provides a joint motor module and a humanoid robot, and belongs to the technical field of humanoid robots, the joint motor module comprises a motor assembly, the motor assembly comprises a motor housing, a motor cover body, a motor stator and a motor rotor shaft, the motor cover body is connected with the motor housing and seals an opening at one side of an accommodating cavity; the harmonic reducer is connected with the motor shell and seals the opening in the other side of the containing cavity. The motor has the advantages that the motor stator can generate a variable magnetic field so that the motor rotor shaft can rotate, power is output by the harmonic output flange through the speed reduction assembly of the harmonic reducer, compared with the prior art, the control precision is high, torque output is large, meanwhile, the harmonic reducer is directly connected with the motor shell, the structure is compact, and cost is low. The length and the size of the joint module are effectively reduced, and the appearance size is further reduced on the premise that the control precision is guaranteed.

The embodiment of the invention discloses a hollow, double-braided and integrated robot joint module with high torque density, and relates to the technical field of frameless torque motors and robot integrated joints. The joint module comprises a planetary reducer, a hollow shaft, a composite Halbach structure frameless torque motor and the like. According to the composite Halbach structure frameless torque motor, through the distribution design of the main magnet and the auxiliary magnet in the steel ring magnetic group and the ferromagnetic design arranged on the main magnet and / or the auxiliary magnet, the effect of increasing the rotating speed and the torque of the shutdown module is achieved. The air cooling design of a variable-torsion-angle structure is adopted for the joint module, so that the temperature rise of the joint module during working can be effectively reduced; the hollow design of the joint module facilitates wiring planning and management in subsequent integration of the joint; the joint module adopts a magnetic double-braided design, has the function of synchronously detecting the rotation angles and the rotation speeds of an input end motor and an output end planetary reducer, and improves the joint transmission precision through position synchronization and speed synchronization.

Disclosed is a guidewire configured to provide high torsional stiffness without detrimentally increasing bending stiffness. Such a device provides a high ratio of torsional stiffness to bending stiffness. The guidewire device includes a core with a proximal section and a distal section. The distal section of the core is coupled to a microfabricated outer tube such that the distal section of the core passes into and is encompassed by the outer tube.

The invention relates to the technical field of grain production devices, and discloses high-frequency vibration grading screening equipment for grain production. A support is installed at the bottom of a roller, universal wheels with brake devices and a leveling device are matched, and a transmission system converts motor power into roller low-rotating-speed high-torque output by utilizing the characteristic that a driving gear and a gear ring are large in transmission ratio; in the control assembly, grains enter a processing area between a rotating disc and a fixed disc through a funnel and a feeding pipe, a second motor and a first motor rotate reversely to drive the rotating disc and the fixed disc to move relatively, and a trigger ball and a ball groove are matched with a reset spring to generate high-frequency vibration contact and separation actions; and the screening system adopts a mode of combining dynamic screening and inclined flow guide, screening holes of the roller are uniformly distributed, sufficient screening of the materials is ensured, the handling capacity is improved, and the functions of transversely moving the screening tray, extruding and grinding, high-frequency vibration and the like are integrated.

The invention discloses a vehicle torque adjusting method and device and a storage medium, and relates to the technical field of torque adjusting.The method comprises the steps that acceleration data and wheel speed data of a vehicle in the driving process are obtained; determining a vertical motion sickness coefficient according to the acceleration data; determining a pavement roughness coefficient according to the wheel speed data; and according to the pavement roughness coefficient and the vertical motion sickness coefficient, the current demand torque of the vehicle is filtered, and the target demand torque is obtained. The road condition and the carsickness condition of a user are comprehensively considered, so that the required torque of the vehicle is dynamically adjusted according to the road roughness coefficient and the vertical motion sickness coefficient, the torque adjusting effect is improved, sudden power change caused by sudden road change or driving behaviors is reduced, stable operation of a vehicle power system is kept, and the driving safety of the vehicle is improved. And the driving comfort is improved according to the carsickness degree of the passenger while the performance of each driving mode is not influenced.

The invention discloses a collimated direct-drive joint actuator, a robot joint and a robot in the technical field of robot joint actuators, and the collimated direct-drive joint actuator comprises a shell, a driving device and a planetary reducer, the planetary reducer comprises an input wheel, a planetary gear train, an output wheel and a mounting bracket, the planetary gear train comprises a sun gear, a planet gear, a planet carrier, an inner gear ring and a planet shaft; the sun gear is a continuous full-oval tooth profile gear, the planet gears are duplex planet gears and comprise the first planet gear and the second planet gear, the first planet gear is meshed with the sun gear in a conjugate mode, and the second planet gear is meshed with the inner gear ring in a conjugate mode. The collimation direct-drive joint actuator has the advantages of being high in torque density, high in bearing capacity and high in torque transparency.

The application provides a torque compensation method and system in motor jitter, and the method comprises the following steps: acquiring a current rotating speed of the motor; when the rotating speed of the motor is less than a first predetermined value, calculating a rotating speed acceleration according to a motor rotating speed signal, and performing rotating speed compensation on the motor under different rotating speed accelerations based on a calibration value corresponding to the rotating speed acceleration; when the rotating speed of the motor is greater than the first predetermined value, calculating a vehicle acceleration according to an IPB system signal, and performing rotating speed compensation on the motor under different vehicle accelerations based on a calibration value corresponding to the vehicle acceleration. Through the scheme, the rotating speed delay generated by the low-pass filter can be reduced, the torque compensation error can be reduced, and the accuracy of torque compensation can be improved.

The application discloses a high-torque electromagnetic energy engine based on a linear motor and belongs to the technical field of engines, which comprises a base for fixing the whole equipment to work, a driving mechanism installed on the top of the base and used for providing power for the whole equipment, two fixing plates connected with the surface of the base at the bottom, and an outer shell connected with the top of the fixing plate through bolts. The application has the advantages that the innovative mechanical structure design and electromagnetic energy conversion mechanism can efficiently convert the electromagnetic energy of the linear motor into high-torque rotary power, the high thrust characteristic of the linear motor can output significantly increased torque under smaller power input, the energy conversion efficiency is significantly improved, and the energy consumption is reduced. The innovative design not only makes the engine more energy-saving during operation, but also can meet the strict power requirements of various devices requiring large-torque output.

The invention relates to the technical field of motors, and discloses a flywheel energy storage motor stator-rotor structure and an optimization method thereof, and the flywheel energy storage motor stator-rotor structure comprises a stator body, a rotor body and a motor air gap. The method further comprises the following steps: step 1, designing an air-gap magnetic field: by adjusting the shape and the arrangement mode of a motor air gap or a permanent magnet, enabling a flux density waveform to be close to a sine wave when the motor air gap is in a no-load state so as to suppress harmonic waves; step 2, slot-pole matching design: a stator winding adopts a fractional slot concentrated winding form, a high fundamental wave winding factor is obtained by adjusting the matching relation between stator slots and permanent magnet pole numbers, and specific subharmonics are suppressed from a winding magnetomotive force level; 3, magnetic circuit and structure design: magnetic circuit saturation is suppressed by adjusting the geometric dimensions of stator teeth and a yoke part; according to the invention, the comprehensive performance targets of high torque density, high efficiency and low torque pulsation of the flywheel motor can be realized at the same time.

The present invention belongs to the field of foundation pit construction support, and provides an array-type concrete servo support device and a control method. The array-type concrete servo support device includes a multi-point synchronous load-bearing jack array, a high-precision servo feedback controller, a distributed cloud computing center, a short acoustic wave displacement sensor, a load balancing plate, a threaded transmission rod, a power driver, a high-torque speed reduction device, and a high-strength corrosion-resistant protective shell. The control method adopts the MPC model predictive control method to establish a foundation pit excavation model, and uses the current state and the prediction within a period of time in the future to calculate the control strategy. The array-type concrete servo support device adopts multi-point synchronous load-bearing, and multiple jacks are arranged on a single support, which can be adjusted independently, so as to make more accurate and flexible adjustments to the support axial force; at the same time, the control method can predict the future state of the enclosure structure, and continuously revise the prediction according to the current state, thereby reducing the risk of foundation pit construction.

The utility model discloses a large-torque load-bearing bearing, which relates to the technical field of bearings and comprises an outer ring, a vertical curled edge is arranged on one side of the outer ring, and limiting bent edges are arranged on the other side of the outer ring in an annular array manner; the retainer is mounted on the inner side of the outer ring, and the spring pieces and the roller pins are arranged on the inner side of the retainer in an annular array manner; the retainer comprises two side check rings which are arranged in parallel, spacing baffles are integrally arranged on the side faces of the side check rings, and the spacing baffles are distributed on the inner sides of the side check rings in an annular array mode; according to the utility model, the cross section of the outer ring is L-shaped, the position of the retainer is positioned through the curled edge on one side, and the curled edge on the other side of the outer ring is replaced by the limiting bent edges which are arranged in an annular array manner, so that the side space of the outer ring is released, and the torque directly acts on the roller pins, thereby increasing the torque when the load bearing is used.

The invention discloses a speed reduction assembly and a rotary machine tool applying the same, and relates to the technical field of machine tools, the speed reduction assembly comprises a power gear shaft and a retainer I, a plurality of planetary gear shafts are mounted on the retainer I, the power gear shaft is meshed with the planetary gear shafts, gear rings are meshed with the outer sides of the planetary gear shafts, a retainer II is mounted between the power gear shaft and the retainer I, and the retainer II is meshed with the planetary gear shafts. Meshing cavities with the number the same as that of the planetary gear shafts are formed in the second retainer, through the design of the second retainer, the relative positions between the power gear shafts and the planetary gear shafts can be further stabilized, the transmission precision of the speed reduction assembly is improved, the second retainer is installed on the first retainer through a fastener, and therefore the transmission precision of the speed reduction assembly is improved. The fastening piece is designed in a split mode according to the number of the planetary gear shafts, a plurality of second deformation grooves are formed between every two adjacent meshing cavities in the second retainer in the radial direction, so that the second retainer has certain deformation capacity, and output of torque can be effectively improved when the speed reduction assembly is used for power transmission.

The invention relates to a clutch assembly and an electric bicycle. The clutch assembly includes: a clutch; the torque sensor assembly comprises a strain sleeve arranged on the outer side of a clutch in a sleeving mode and used for being in transmission connection with the clutch, the outer wall of the strain sleeve is provided with a strain area and a torque output area in the axial direction, and the thickness of the strain area is smaller than that of the torque output area; and the strain sensing element is fixed on the outer wall of the strain area. The strain sleeve sleeves the outer side of the clutch, so that the torque sensor assembly which originally needs to occupy large axial space of the middle shaft and the clutch are integrated, the axial space of the middle shaft can be saved, efficient utilization of the axial space of the middle shaft is achieved, and the torque sensor assembly and the clutch are preassembled. The operation difficulty is reduced; and the steps of a terminal customer assembly process are simplified. The thickness of the strain area is smaller than that of the torque transmission area, deformation of the strain area is facilitated, and the signal acquisition sensitivity of the torque sensor assembly is improved.

The present invention discloses a highly conductive split ring of an omnidirectional elastic member. The highly conductive split ring of an omnidirectional elastic member according to the present invention solves the problem of corrosion of peripheral components caused by axial current in high-speed electric motors, which directly affects the operating stability of bearings mounted on the main shaft, thereby affecting the stability of the electric motor under conditions of high rotational speed, high power, and high torque. It also overcomes the state-of-the-art technical challenge of limiting the output of the electric motor, which belongs to the problem of axial current that needs to be resolved quickly, otherwise it may cause a potential safety hazard. The multiple fan-shaped lip edges used in the present invention not only ensure good electrical contact and sufficient contact area with the main shaft, but also move synchronously with the radial or axial movement of the main shaft, demonstrating excellent performance in following the main shaft operation and ensuring good instantaneous electrical contact between the conductive silicone adhesive and the main shaft. [Solution] The split ring comprises an outer frame, a support ring, and a conductive assembly, and the conductive assembly includes a conductive ring, multiple lip edges, a conductive silicone adhesive after it has solidified from a liquid state, and a conductive elastic member that is integrally attached to the conductive silicone adhesive.

The invention provides a control method and system for a high-torque-density robot joint module and relates to the technical field of robot joint module control, and the method comprises the steps that three-dimensional image information of waste to be compressed is obtained; determining a compression resistance degree three-dimensional distribution diagram of the to-be-compressed waste based on the three-dimensional image information of the to-be-compressed waste; based on the multiple sets of test fixing schemes, a high-torque-density robot joint module is controlled to fix and shake waste materials to be compressed; determining an initial fixing scheme and a preliminary compression depth based on the shaking video of the to-be-compressed waste fixed by each test fixing scheme; and based on the adjusting and fixing scheme, a high-torque-density robot joint module is controlled to fix the to-be-compressed waste, and a compressor is controlled to conduct compression. According to the method, the optimal fixing and compression cooperative control scheme of the to-be-compressed waste can be efficiently and accurately determined.