18results 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 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 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.

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 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).

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.

This utility model discloses an anti-clogging dust sampler sampling rod device, belonging to the technical field of sampling equipment. It includes a dust sampler, a connecting pipe, a first mounting plate, a second mounting plate, and a chamber. One end of the dust sampler is fixedly connected to the first side of the first mounting plate. A threaded sleeve is fixedly installed on the second side of the first mounting plate, with the first and second sides of the first mounting plate facing each other. Both ends of the connecting pipe are fixedly connected to the third side of the second mounting plate and one end of the chamber, respectively. A threaded rod is movably installed on the fourth side of the second mounting plate, with the third and fourth sides of the second mounting plate facing each other. The threaded rod and the threaded sleeve are threadedly engaged. A rotatable toothed ring is installed on the surface of the connecting pipe, and a rotatable gear is installed on the third side of the second mounting plate. The gear meshes with the toothed ring, and the gear is fixedly connected to the threaded rod via a connecting rod, so that the rotation of the toothed ring drives the threaded rod to rotate synchronously through the gear. This structure balances assembly / disassembly speed with secure connection, meeting the requirements for continuous environmental monitoring.

The utility model discloses a kind of wind turbine generator unit variable pitch bearing and wheel hub connecting bolt broken wire extraction tool, it is related to wind power generator operation and maintenance technical field, including positioning sleeve and fixed rod;Positioning sleeve: the top of outer side is fixed with cylinder ring, the inside of positioning sleeve is opened with eccentric hole, the inside of eccentric hole is inserted with lengthening rod, the bottom of lengthening rod is connected with the middle part of fixed seat top surface, the top of fixed rod is fixedly connected with the middle part of gripper bottom surface, the bottom of fixed rod is connected with the middle part of connecting seat top surface;The wind turbine generator unit variable pitch bearing and wheel hub connecting bolt broken wire extraction tool, by positioning sleeve, eccentric hole and modular lengthening rod design, accurate adaptation narrow deep hole environment, solve the problem that traditional method is difficult to operate in small aperture and bottom fracture position;While using bidirectional cylindrical boss occlusion and anti-slip guiding structure, significantly improve broken wire extraction success rate, avoid secondary damage.

The utility model discloses an intelligent wireless goods channel motor, its technical scheme main points include the shell, is installed with the motor on the shell, is rotatably connected with the spring chuck on the shell, and the motor drives the spring chuck to rotate through the gear assembly, is provided with the control panel on the shell, and the control panel includes the microswitch, still include the antenna for receiving external signal, is provided with the microswitch on the control panel, and the trigger piece is arranged on the spring chuck coaxially, and the microswitch is triggered through the trigger piece when the spring chuck rotates, and the motor is electrically connected with the control panel, and the control panel is connected external power supply, the utility model discloses through with the control module such as control panel integration on the shell, spares the multichannel wire harness required to traditional goods channel motor, reduces the equipment wiring complexity greatly, has reduced the problem because of the wire harness failure, is more suitable for the multi -motor intensive deployment scene, has reduced the assembly error rate and the later maintenance cost significantly.

The application relates to an electric device, comprising a valve assembly and a stator assembly, the valve assembly comprising a magnetic rotor, the magnetic rotor comprising first magnetic poles and second magnetic poles, the first magnetic poles and the second magnetic poles being alternately arranged along a circumferential direction of the magnetic rotor, the stator assembly comprising a winding and a claw pole shell, the winding being located in the claw pole shell, the claw pole shell comprising first tooth poles and second tooth poles, the first tooth poles and the second tooth poles being alternately arranged between an outer periphery of the magnetic rotor and an inner periphery of the winding, the maximum value of an arc of the first tooth pole being defined as alpha, the number of the first magnetic poles being defined as P, and 0.43 <= alpha*P / PI <= 0.57, so that the average torque of the electric device is relatively larger under the same condition, the magnetic leakage problem and the magnetic saturation problem of the tooth pole are reduced, and the driving performance of the electric device is improved.

The application discloses a variable magnetic guide stator structure and an axial flux permanent magnet motor, and the variable magnetic guide stator structure comprises a stator yoke part, a stator tooth part, a stator tooth shoe and a stator winding, the stator yoke part is provided with wedge-shaped grooves distributed in a ring shape, the stator tooth part is radially assembled to the stator yoke part through matched wedge-shaped bosses, the stator tooth part is provided with triangular grooves on both sides, the stator tooth shoe is embedded between adjacent stator tooth parts through parallelogram bosses, and the three are radially embedded to form a modular stator structure, the stator iron loss is reduced through modular assembly and differential material matching, the air gap magnetic field is actively regulated and controlled by relying on the variable magnetic guide tooth shoe, torque pulsation is effectively inhibited, axial magnetic pulling forces can be offset by the symmetrical layout of the double stator, the double stator has the characteristics of high torque density and wide power domain efficient operation, and is suitable for new energy automobile, wind power and other scenes.

The application provides a cover plate structure, a lithium battery and an electric device. The cover plate structure comprises: a pole assembly, the pole assembly is provided with one or more bosses, the line between any point of each boss and the axis of the pole assembly is a first line segment, the included angle between the first line segment and a first straight line in the horizontal plane is 0-45 degrees, and the first straight line intersects with the axis. The light aluminum sheet comprises a mounting hole, and the mounting hole is provided with one or more grooves, and the one or more grooves are suitable for being connected with the one or more bosses. The cover plate structure, the lithium battery and the electric device provided by the application can strengthen the torsion between the pole assembly and the cover plate, and further improve the safety performance of the battery cell.

The application discloses a small-step-ratio deceleration composite planetary gear train, which comprises a shell, an input component, an output component, a first planetary gear train, a second planetary gear train, a first brake, a second brake, a first clutch and a second clutch. The first planetary gear train and the second planetary gear train are coaxially arranged. The input component is coaxially connected with a first ring gear. The output component is coaxially connected with a first carrier. A first sun gear is coaxially connected with a second carrier. One end of the first brake is fixedly connected with the shell, and the other end is connected with a second sun gear. One end of the first clutch is connected with the second sun gear, and the other end is connected with the first ring gear. One end of the second brake is fixedly connected with the shell, and the other end is connected with a second ring gear. One end of the second clutch is connected with the second ring gear, and the other end is connected with the output component. The application can transmit a smaller deceleration ratio.

The utility model discloses a kind of double-motor drive's self-balancing straddle electric vehicles, including self-balancing straddle electric vehicle device, including electric vehicle body and the power supply and self-balancing module on electric vehicle body, power supply is the power supply for self-balancing module;Self-balancing module includes two symmetrically arranged reaction wheel groups, multiple connecting wheels and an error adjustment wheel, two reaction wheel groups are oppositely arranged along the electric vehicle axle direction and connecting wheel and error adjustment wheel are located between two reaction wheel groups, error adjustment wheel both ends are connected with reaction wheel group through connecting wheel and error adjustment wheel is located in middle;Reaction wheel group includes hub, multiple reaction wheels, reaction wheel motor and driver, hub is fixed on the rotating shell of reaction wheel motor, multiple reaction wheels are axially stacked and connected to the axial inside of hub.