59results about How to "Increase torque" patented technology

The application relates to the technical field of robots, and discloses a kind of two-degree-of-freedom parallel ankle joint mechanism of humanoid robot and kinematics and mechanics solving method, including seven-link transmission structure, which is composed of two groups of closed-chain transmission of parallel four-bar linkages.Motor I and II are installed on the upper end of the lower leg, and the rotation drives link IV and III to move through link I, II, V and VI, and then coupled control ankle joint pitch and lateral freedom degree.The mechanism realizes load balancing of double motors through parallel transmission, improves equivalent torque, and can combine kinematics and mechanics solving method, so that precise control can be realized only by motor feedback, sensor cost is reduced, and is suitable for high stability motion demand of biped robot.

The invention discloses a hot water circulating pump with couplings, and relates to the field of centrifugal pumps, the hot water circulating pump comprises a base, the top surface of the base is fixedly connected with a base plate, a protective cover, a first support and a pump body, and the end face of the pump body is provided with a machine seal gland. Therefore, maintenance cost is reduced, potential safety hazards are reduced, the coaxiality calibration process is simplified, repeated measurement and adjustment of the position of the motor are not needed, time and labor are saved, coaxiality can be guaranteed, overload protection can be achieved, overload burning of the motor can be avoided, safety accidents are reduced, the operation safety of the whole hot water circulation system is improved, and the service life of the hot water circulation system is prolonged. And overload protection can be adaptively changed according to the size of the motor, so that coaxiality calibration and overload protection adjustment are synchronously carried out, secondary measurement and adjustment are not needed, and the automation degree of the device is improved while time and labor are saved.

The utility model provides a general type implant extractor relates to the field of extractor, the utility model discloses handle part, power assisting part and take out the part, wherein take out the part and install one end at handle part, take out the part and pass through the thread cooperation between surface screw and implant internal screw thread, use power assisting part and insert on handle part and increase take out the part rotation torque, take out the part to assist and take down the implant. The utility model discloses, take out the part and screw in the implant screw hole, then can link together between handle part and the implant, and then can extend the implant, and the convenient implant is taken out.

This utility model relates to the field of zinc-aluminum alloy die-casting mold technology, and discloses an easy-to-install, reinforced, and resistant-to-detachment insert device, including a fixed mold, a moving mold, and a mold slider. An insert assembly is provided between the mold slider and the mold slider. A transition groove is provided at the end of the mold slider near the insert assembly. The insert assembly includes a pin and a nest, which are fixedly installed. A knurled groove is provided at the end of the pin away from the nest. This easy-to-install, reinforced, and resistant-to-detachment insert device, through the double-headed knurled design of the insert, eliminates the need for workers to install the insert backwards during installation. Furthermore, the large chamfer on the mold and the appropriate length of the insert make the insert easier to install and easier to demold, reducing mold opening deformation. This structure can be easily applied to mold products, improving the service life of the mold and ensuring production demolding stability. It can further enhance the installation of the insert, improving thread torque and fatigue resistance.

The invention relates to the field of hard alloy product production, in particular to a production method of a high-toughness and wear-resistant hard alloy. A production method of a high-toughness and wear-resistant hard alloy comprises the following steps that S1, raw materials including, by mass, 40%-45% of WC powder, 25%-35% of Fe powder, 3%-5% of Si powder, 0.95%-1.16% of C powder, 2.5%-3.2% of Ni powder, 9%-12% of Co powder, 1.75%-2.05% of Mo powder and 0.15%-0.3% of VC powder are taken, and the purities of all the powder components are all larger than 99%; s2, mixing the raw material powder in the step S1 with a ball milling medium according to a ratio, and mixing by adopting a wet ball milling process; s3, drying the slurry, and sieving to prepare granules; s4, pressing the granules into a hard alloy blank; s5, the hard alloy blank is sintered in a vacuum or low-pressure sintering furnace, and the sintering temperature is controlled to be 1180-1250 DEG C; and S6, after sintering is completed, a sintered body is cooled, precision machining is conducted according to requirements, and a product is obtained. The high toughness and wear resistance of the hard alloy material are remarkably improved.

This invention provides a coreless stator for a high current density axial flux motor and an axial flux motor. The coreless stator of the high current density axial flux motor includes at least one stator winding layer, which includes several circumferentially spaced and independent conductive coil units. In each stator winding layer, several conductive coil units are processed on a conductive substrate using a subtractive process. Each conductive coil unit includes a planar working portion extending straight in a radial plane, an outer transition line portion connected to the outer end of the planar working portion, and an inner transition line portion connected to the inner end of the planar working portion. At least one of the outer transition line portion and the inner transition line portion is bent wholly or partially relative to the planar working portion, thereby forming a three-dimensional transition line portion. This directly releases the radial plane space occupied by the outer transition line portion and the inner transition line portion, thereby significantly increasing the radial width and total area of ​​the effective electromagnetic working area and achieving a significant improvement in torque and power density.

The application relates to the technical field of wheel hub motors, in particular to an electric vehicle double magnetic circuit motor which comprises a motor shaft and a wheel hub, the wheel hub is movably arranged on the motor shaft, a cover plate is arranged on the wheel hub, an adjusting structure is arranged on the wheel hub, and a transmission structure is arranged on the motor shaft. The electric vehicle double magnetic circuit motor has the beneficial effect that: through the arrangement of the transmission structure, external power supply lines are electrified, the first magnetic steel and the second magnetic steel drive the rotating frame to rotate on the motor shaft through the bearing under the action of the stator, the wheel hub rotates along with the rotating frame, the gear ring rotates under the action of the wheel hub, the planetary gear rotates along with the gear ring, and thus the torque can be improved and the performance of the motor as a whole can be increased.

The application relates to the field of friction stir solid-phase additive manufacturing, and particularly provides a friction stir solid-phase additive manufacturing device and method.The device comprises a feeding shaft, a heating part and a stirring shaft shoulder, the feeding shaft is provided with a feeding channel, a mounting part and a cooling flow channel; the feeding channel axially penetrates the feeding shaft, the feeding channel is provided with an inlet and an outlet, a target rod material is fed into the feeding channel from the inlet; the mounting part and the cooling flow channel are arranged in sequence along the moving direction of the target rod material; the cooling flow channel is provided with cooling liquid, which is used for cooling the plasticized material and the feeding shaft; the heating part is connected with the mounting part, is used for heating the passing target rod material and obtaining the plasticized material, and the plasticized material is discharged from the feeding shaft through the outlet; the stirring shaft shoulder is sleeved outside the feeding shaft and is rotationally connected with the feeding shaft, the stirring shaft shoulder is provided with a stirring friction part, and is used for stirring and friction of the target base material and the plasticized material to realize solid-phase additive manufacturing. The application effectively improves the additive efficiency, the space utilization rate and the additive quality.

The utility model discloses a low-energy-consumption door leaf framing structure, which belongs to the technical field of door leaf framing, and comprises a light opening, a transverse frame, a framing corner brace and a framing clamping plate, the framing corner brace comprises an outer frame and a reinforcing rib, the outer side of the framing corner brace is provided with two first through holes, and the outer side of the framing corner brace is provided with two second through holes. And the two first through holes are internally provided with anti-skid retaining bolts, spring washers are arranged between the anti-skid retaining bolts and the framing corner connector, two first threaded holes are formed in the outer side of the framing clamping plate, and a through glue groove is formed in the side, close to the optical opener, of the framing corner connector. The utility model solves the problem that the heat insulation performance is influenced by the quality problems that the splicing position is not flat, warped and the like when used on a large-specification unit door, cracks occur at the splicing position in the using process, water seepage occurs in a corner cavity, the integral attractiveness of a door and a window is influenced, leakage occurs and the like.

This application discloses an end cap assembly, a battery cell, an energy storage device, and an electrical device. The end cap assembly includes an end cap, an upper plastic layer, and a terminal post. The end cap has a through hole for the terminal post. The upper plastic layer has a first mounting through hole on its main body and a second mounting through hole on its protruding portion. The inner wall surface of the second mounting through hole includes a first anti-rotation surface. The outer peripheral surface of the main body includes a positioning surface, which is a plane. The upper plastic layer is disposed on the end cap, the protruding portion passes through the terminal post through hole, and the main body is disposed on the top surface of the end cap. The outer peripheral surface of the first column of the terminal post includes a second anti-rotation surface. The terminal post is mounted on the upper plastic layer, the protrusion of the terminal post passes through the first mounting through hole, and the first column passes through the second mounting through hole. The second anti-rotation surface is in contact with the first anti-rotation surface, and the second anti-rotation surface and the first anti-rotation surface are mutually anti-positioned along the circumferential direction of the terminal post. The protrusion of the terminal post passes through the first mounting through hole. The end cap assembly provided by this application can prevent the terminal post from twisting when subjected to external force, thereby improving the sealing performance of the terminal post.

The utility model relates to a split type stator structure, comprising a stator iron core which comprises two symmetrical stator iron core base bodies; a coil wound on the stator core; and each insulating frame is arranged between the corresponding coil and the corresponding stator iron core base body and covers the whole inner surface of the stator iron core base body. The stator iron core of the split type stator structure is arranged to be two symmetrical stator iron core base bodies so as to form a folding structure, the winding slot fullness rate can be improved, the output power and the torque of the motor are further improved, and independent winding can be carried out on the single stator iron core base body after the stator iron core base body is opened so as to improve the winding efficiency. And each insulating frame covers the whole inner surface of the stator iron core base body, so that electric leakage and coil abrasion can be effectively prevented.

The application belongs to the technical field of vehicle braking system, and discloses a segmented pole arc motor for an electronic mechanical braking system, a use method and a vehicle.The motor comprises a stator and an inner rotor, the stator adopts a split tooth structure, is provided with an alternating current armature winding and a direct current excitation winding, and the rotor is provided with segmented pole arc permanent magnets, so that the motor forms a hybrid excitation structure in which a permanent magnet magnetic field and an excitation magnetic field are superposed.Through segmented optimization of the pole arc of the permanent magnet, the air gap magnetic flux waveform is improved, the cogging torque and torque ripple are reduced, and the running stability is improved; equivalent flux linkage is controlled by adjusting the excitation current, the no-load speed is improved in the braking gap elimination stage, and the armature current and the locked-rotor copper loss are reduced in the clamping force following and maintaining stage.The cogging torque, torque ripple and locked-rotor copper loss are reduced in the structural level and the control level, and the application is suitable for stable and reliable work of the electronic mechanical braking system under various working conditions.

A grinding device suitable for a meat grinder comprises a material bowl, a blade assembly and a bowl cover assembly. The blade assembly is located in the material bowl, and the bowl cover assembly covers the material bowl. The bowl cover assembly is provided with an acceleration gear set, an input shaft of the acceleration gear set upwards extends out of the bowl cover assembly, an output shaft of the acceleration gear set extends out of the bowl cover assembly, and the output shaft of the acceleration gear set is assembled with the blade assembly in a transmission mode. According to the scheme, the speed increasing mechanism is additionally arranged in the grinding device, and low-rotating-speed and high-torque output of the meat grinder is converted into high-rotating-speed and low-torque output needed by grinding, so that the meat grinder can achieve the grinding function under the condition that an additional motor is not added.

This application relates to the field of vehicle technology, and discloses a clutch self-learning method, device, electronic device, and storage medium. The method includes: acquiring a curve update array, and at least determining whether the vehicle meets an execution condition set based on the array; if the execution condition set is met, triggering a curve update operation; at least determining a torque position array, and then using the torque position array as a self-learning input parameter to perform a self-learning experiment and obtain an effective fitting array; fitting a first clutch position torque characteristic sub-curve using a first fitting method, and fitting a second clutch position torque characteristic sub-curve using a second fitting method; at least based on the first and second clutch position torque characteristic sub-curves, inversely solving the clutch position update matrix from the default clutch torque matrix; at least based on the clutch position update matrix, outputting a self-learning success status, and at least determining the storage method of the clutch position update matrix.

This utility model relates to the field of battery cell technology, and discloses a battery cell cover assembly, a battery cell, and a battery pack. The battery cell cover assembly includes a cover body and a terminal post assembly. The cover body has a through-hole extending along its thickness direction, and a recessed platform is provided around the periphery of the mounting hole. The terminal post assembly includes a terminal post body and a connecting ring. The connecting ring is sleeved on the outside of the terminal post body, and the terminal post body is inserted into the mounting hole and extends at least to the outer side of the cover body. The connecting ring is welded to the recessed platform, forming a welding trajectory. The width of the cover body is W1. In the width direction of the cover body, the distances between the welding trajectory and the opposite sides of the cover body in the width direction are W2 and W3, respectively, satisfying 0.25≤(W2+W3) / W1≤0.6. This utility model provides sufficient width space between the welding trajectory and the edge of the cover body in the width direction to avoid deformation of the cover body caused by high welding temperatures, thereby facilitating the installation of the battery cell cover assembly.

The utility model relates to a mechanical hand, concretely is a kind of cutting slot roof drill machine mechanical hand, this cutting slot roof drill machine mechanical hand includes drive mechanism and the gripper mechanism driven by drive mechanism, wherein drive mechanism includes driver and the output end fixed connection of driver's lifting rod, lifting rod rotates around its own axis, and lifting rod is installed with lifting seat, gripper mechanism is set up at the side of lifting seat, and gripper mechanism includes the support arm that moves with lifting seat and moves and sets up on the oil cylinder of support arm, the telescopic end of oil cylinder is connected with movable part, movable part includes two oppositely arranged turnover seat, and two turnover seats are moved at the both ends of support arm.The drive mechanism and gripper mechanism on this cutting slot roof drill machine mechanical hand are all set up at the front end of cutting slot roof drill machine, and the design of lifting seat and lifting rod makes mechanical hand have better precision and torsion force, also can prevent to be stuck with residue.

The utility model discloses a copper sleeve type brush motor, which relates to the field of motor design, and comprises a motor shell and a motor cover plate, a rotor is arranged in the motor shell in a running fit manner, the motor cover plate covers the rotor in the motor shell, two carbon brush structures are arranged in the motor cover plate, and the inner ends of the carbon brush structures abut against the rotor; the carbon brush structure comprises a carbon brush copper sleeve, a carbon brush main body and a torsion spring; the carbon brush copper sleeve is fixedly installed on the inner side of the motor cover plate, the carbon brush body is installed in the carbon brush copper sleeve in a sliding fit mode, one end of the torsion spring abuts against the inner side of the motor cover plate, and the other end of the torsion spring abuts against the outer end of the carbon brush body. A commutator is fixedly installed on the rotor, and the torsion spring drives the inner end of the carbon brush body to abut against the commutator of the rotor for electrical connection. Compared with the prior art, the utility model has the advantages that compared with the traditional mode that the carbon brush is driven to abut against the commutator by using an elastic sheet, the stability is higher, the brush motor can bear higher torsion, and the service life of the brush motor is ensured.

This utility model discloses a hydraulically controlled indexing tool, comprising: a spring spindle and an anti-torsion spindle connected to each other; a piston joint is mounted on the spring spindle, and a pushing mechanism is mounted at the end of the spring spindle; an anti-torsion outer cylinder is mounted on the anti-torsion spindle, and a rotating mechanism is mounted at the end of the anti-torsion spindle; a lower joint is mounted on the rotating mechanism, and a throttling nozzle is installed inside the lower joint. By increasing the flow rate, the tool is pressurized. When the required pressure is reached, the piston moves downward, driving the lower spindle to rotate, converting linear motion into torque. The rotation of the hydraulically controlled indexing tool depends on the distance the piston moves, ensuring stepless rotation and thus enabling the indexing tool to have higher torque.

A first opening pulley and a first closing pulley are each supported by a rotating shaft while separated in the axial direction of the rotating shaft, and a second opening pulley and a second closing pulley are each supported by a rotating shaft while separated in the axial direction of the rotating shaft. A first blade part and a second blade part are operated in opening directions separating from each other by pulling a first opening wire and a second opening wire, respectively, and are operated in closing directions approaching each other by pulling a first closing wire and a second closing wire, respectively. The first opening pulley is positioned closer to the first blade part side than the second blade part with respect to the first closing pulley in a direction orthogonal to the opening and closing direction, and the second opening pulley is positioned closer to the second blade part side than the first blade part with respect to the second closing pulley in the direction orthogonal to the opening and closing direction.

The application provides a full-automatic medical spring winding device, which comprises a base, two fixing members for fixing a reference steel wire, a sliding seat slidingly arranged on the base, and a winding assembly arranged on the sliding seat and used for mounting a plurality of metal wire cores and winding the metal wire cores on the reference steel wire in sequence. The winding assembly comprises a plurality of winding rollers, a through hole is formed in the winding assembly, the reference steel wire passes through the through hole, the winding rollers are circumferentially distributed around the axis of the through hole, and the winding rollers are used for mounting the metal wire cores. A plurality of torsion adjusting mechanisms are arranged between the through hole and the winding rollers, the torsion adjusting mechanisms correspond to the winding rollers one by one, and the torsion adjusting mechanisms are used for adjusting the tension of the metal wire cores. Through the above structure, medical guide wires can be quickly produced, and the production efficiency is improved.

The present disclosure provides a rotor lock prevention system for an electric vehicle and related methods. Rotor lock prevention systems and related methods are disclosed. An example apparatus includes an electric motor having an output shaft; a drive axle for driving one or more wheels of the vehicle; a torque converter for operatively coupling the output shaft of the electric motor and the drive shaft; and a clutch movable between an open position and a closed position. The clutch fluidly couples the output shaft and the drive shaft of the electric motor when the clutch is in the open position. When the clutch is in the closed position, the clutch enables the electric motor to bypass the torque converter to mechanically couple the output shaft and the drive shaft of the electric motor.

The present application relates to a kind of functionization outer diameter unequal thickness magnetic ring and its magnetizing method, belong to permanent magnet motor technical field, the inner diameter of unequal thickness magnetic ring is circular, and the outer diameter is change curve, wherein, the change curve of outer diameter is constant in main magnetic pole portion thickness, and the thickness is reduced in the transition position between adjacent main magnetic pole portion;The unequal thickness magnetic ring adopts bonded neodymium iron boron material.The present application is composed of a functionization outer diameter bonded neodymium iron boron magnetic ring and its matching multipole magnetizing fixture, wherein the outer diameter of magnetic ring adopts two kinds of functionization size, by reducing the thickness of magnetic pole transition area, the harmonic component of surface magnetism of magnetic ring is controlled, and the amplitude of cogging torque is reduced.The multipole magnetizing core of matching magnetizing fixture can magnetize magnetic ring into surface alternately distributed multiple magnetic poles.

The utility model relates to the technical field of hydrogen recovery, in particular to a rapid recovery extractor for hydrogen-rich gas, which is characterized in that an extraction tank is fixedly mounted on a support frame, an arch-shaped frame for sharing pressure is fixedly mounted in the extraction tank, high-permeability membranes for separating hydrogen are uniformly and fixedly mounted on the arch-shaped frame, and the high-permeability membranes are fixedly mounted on the support frame. An electromagnetic valve is fixedly mounted on the supporting frame, a pressurizing pipe for pressurizing is fixedly mounted at the top end of the supporting frame, a pressure gauge is fixedly mounted on the extraction tank, a valve shell is mounted on the pressurizing pipe, a valve element is slidably mounted in the valve shell, a first sealing sleeve is fixedly mounted on the valve element, and a spring is mounted on the valve element; a piston is slidably mounted in the pressurizing pipe, and a second sealing sleeve is fixedly mounted on the piston; hydrogen in the mixed gas enters the lower chamber of the extraction tank through the high-permeability membrane, so that the hydrogen is filtered and extracted, and the effects of improving the resource utilization rate and reducing the environmental pollution are achieved.

The invention relates to a determination method for determining a final setting value (Cf) of an opening characteristic quantity of a turbine of a turbocharger equipped with an internal combustion engine during a torque rise transient phase of said engine, in which a first setting value (C1) of this characteristic quantity is determined as a function of at least one operating parameter of said engine, characterized in that this first setting value (C1) is compared (54) with a predetermined maximum allowable limit value (Pos_max) of this characteristic quantity, for which value of the operating parameter of said engine, the torque rise of said engine is considered to be optimal, and in that, when said first setting value (C1) is less than said maximum value (Pos_max), said first setting value (C1) is applied as said final setting value (Cf), otherwise said predetermined maximum limit value (Pos_max) is applied as said final setting value (Cf).

The utility model relates to the technical field of LED projection lamps, and discloses an LED projection lamp control device which comprises an LED module, a fixing frame, a connecting plate, a heat dissipation table, a supporting frame, a rotating roller and a control assembly, the control assembly takes a servo motor as a power source, and the motor drives a driving gear to rotate. The driving gear is meshed with a plurality of connecting gears, then the connecting gears are matched with tooth grooves in the inner wall of the rotary drum, power is transmitted to the rotary drum, the diameter ratio of the driving gear to the rotary drum is 1: 3, the planetary gear structure is excellent in motor torque lifting performance, stable rotation can be ensured when a heavy LED module, a heat dissipation table and other structures are driven, and the service life of the motor is prolonged. And the rotating drum rotates to drive the rotating roller through the connecting disc and the connecting rod, so that the connecting plate and the LED module rotate, and the angle of the projection lamp is controlled. By means of the structural design, accurate transmission ratio control can be achieved, the rotation angle of the LED module can be accurately adjusted, and the requirement for accurate angle control in the modern illumination field is met.

This invention provides a coreless stator with a high magnetic flux density and a thin working area, and an axial flux motor. The coreless stator includes a first winding unit and a second winding unit stacked axially. Several winding coils of the first and second winding units are fabricated on a conductive substrate using a subtractive process. Each winding coil includes a working area, a hollow slot, and bent outer and inner coil bridging areas. The first and second winding units are circumferentially misaligned during axial stacking, so that the working areas of the first and second winding units are circumferentially spaced and distributed in the same radial plane, forming the stator working section. The thickness of the stator working section does not exceed half the total thickness of the coreless stator. This application further thins the stator working section of the coreless stator, significantly reducing the effective working air gap length of the axial flux motor, significantly enhancing the air gap magnetic flux density, improving the motor's torque density and power density, and achieving synergistic optimization of performance and reliability.

This invention discloses a method for preparing a high-torque friction plate for elevator traction machines and its drilling equipment. The material formula of the friction plate, calculated by weight percentage, is: 5-20% inorganic fiber, 10-50% binder, 1-10% coke, 5-20% rubber, 1-5% accelerator, 10-30% other friction performance modifiers, and 1-5% carbon black. The beneficial effects of this invention are: the friction plate prepared using the described formula exhibits significantly increased torque, enhancing product reliability and service life; the invention includes a drilling equipment, which, through a clamping mechanism and a floating support mechanism, allows the drilling equipment to accommodate friction plates of varying lengths and curvatures, thereby improving the practicality of the device.

The utility model relates to the technical field of motor, in particular, it is a kind of integrated reduction stepper motor, and the output efficiency of its product is higher, reliability is high, precision is high, cost-effective is high, service life is long;Including shell, apron, stepper motor assembly, support component and deceleration component, apron is installed in shell right end, stepper motor assembly is installed in shell interior by support component, deceleration component is installed in shell interior right side, and the output end of stepper motor assembly is connected with deceleration component.