4296 results about "Pinion" patented technology

The invention belongs to the field of vehicle control algorithms, and particularly relates to a torque control method and system based on steer-by-wire. The method comprises the steps that first pinion rotation angle data calculated based on road feeling motor working parameters and second pinion rotation angle data calculated based on steering execution motor working parameters are obtained; pID control processing is conducted on the first small gear rotating angle data and the second small gear rotating angle data, and PID torque is output; feedforward compensation torque is obtained through calculation according to the first pinion rotation angle data and the second pinion rotation angle data; and performing feed-forward compensation on the PID torque by using the feed-forward compensation torque to obtain a target torque of the steering execution motor. Calculating the required compensation torque in advance, and adding the compensation torque into PID (Proportion Integration Differentiation) control; and the system can respond to the input change more quickly. And meanwhile, PID control is used for accurately adjusting the deviation between the first pinion rotation angle data and the second pinion rotation angle data, and it is ensured that the system can operate in a stable state.

Disclosed is a power distribution device, including: a case rotatably provided; a first side gear connected to a first wheel; a second side gear connected to a second wheel; a pinion gear meshed with the first side gear and the second side gear; a cage provided to support the pinion gear and to be capable of relative rotation with respect to the case; a first lock plate contacting and spaced apart from the first side gear such that the first side gear is synchronized and unsynchronized with the case; and a second lock plate contacting and spaced apart from the cage such that the cage is synchronized and unsynchronized with the case. Accordingly, it is possible to improve a size, mountability, weight and cost, and to suppress unintentional release of the lock differential, as the disconnecting function and lock differential function are implemented.

An axle assembly comprising a differential carrier, a differential assembly, a drive pinion, and a drive pinion brake. The drive pinion brake is mounted to the differential carrier. The differential carrier supports the differential assembly. The drive pinion brake is operable to apply a brake torque to inhibit rotation of the drive pinion.

A powertrain of a vehicle comprising an electric motor (16) having a drive shaft (11) wherein the drive shaft is oriented preferably perpendicular to the common axis (Aw) of the wheels (18) which the powertrain is intended to drive (i.e. rotate). The drive shaft of the electric motor is mechanically connected to the axles (20, 22) of the wheels, which are aligned with the common axis, via a transmission (10) having at least one pair of mating gears (12, 14), preferably with one of the pair of mating gears being an offset pinion (14), and with the reduction ratio of the transmission being in the range of about 6 to about 15 with the pinion having 2 to 6 teeth.

The disclosed strap adjustment device may include a pinion gear secured to an adjustment knob, a first rack secured to a first strap and engaged with the pinion gear, a second rack secured to a second strap and engaged with the pinion gear, a braking element disposed adjacent to an inner surface of a drum, a brake engagement element configured to press the at least one braking element toward the inner surface of the drum to maintain a length of the first strap and the second strap by engagement of the braking element against the inner surface of the drum, and a spiral spring configured to allow for an increase in a length of the first strap and the second strap when a tension force is applied to at least one of the first strap or the second strap.

An active air flap of a vehicle according to one embodiment of the present invention includes a frame part which communicates with an outside air inlet of a grill, a flap part including a plurality of flap units which are rotatably connected to the frame part and sequentially open or close the outside air inlet of the grill, a rotary shaft which connects the plurality of flap units to the frame part, and a driven pinion gear connected to the rotary shaft, a driving part which transmits a driving force to the flap part, and a control unit which controls the driving part to be driven.

A steering system for use in turning steerable vehicle wheels includes a steering wheel and a housing. A pinion is in the housing and connected to the steering wheel via a shaft such that rotation of the steering wheel urges the pinion to rotate about an axis relative to the housing. The pinion has a recess. An elastic element is compressed in the recess between the pinion and the shaft. The elastic element applies an axial force to the pinion that dampens axial movements of the pinion relative to the housing.

An apparatus of tilting a seat cushion of a vehicle, includes a tilting motor, a pinion gear, a sector gear, and a tilting link which perform the tilting operation of the seat cushion and exert a binding force in a tilted state of the seat cushion and are provided to be connected to both of one side and the other side of a seat cushion frame, and has two sector gears positioned on left and right sides and connected to each other by a connection bar so that, by strengthening a binding force of the front portion of the seat cushion, it is possible to secure the safety of passengers in the event of a collision.

A steering system for use in turning steerable vehicle wheels includes a steering wheel and a housing. A pinion is in the housing and connected to the steering wheel such that rotation of the steering wheel results in rotation of the pinion about a rotational axis relative to the housing. A first bearing rotatably supports a first end of the pinon in the housing. A second bearing rotatably supports a second end of the pinon in the housing. A worm wheel is meshed with the pinion in the housing and connected to steerable vehicle wheels. The worm wheel transfers torque from the steering wheel to the steerable vehicle wheels to effect turning of the steerable vehicle wheels. A pressing device applies a pressing force to the second end of the pinion via the second bearing to urge the pinion toward the worm wheel.

A cable connecting device includes a casing, a pinion gear, first and second sliders, a first output cable connected to the first slider, and second output cable connected to the second slider. The first slider includes a first rack portion and a first end connection portion, and the second slider includes a second rack portion and a second end connection portion. The first output cable is led out from the casing to one side in the movement direction, and the second output cable is led out from the casing to the other side in the movement direction.

Examples of stands and display devices are described. In an example, a stand may be coupled to a pair of racks, a driving gear, and a pair of pinion gears. The pair of pinion gears may be operably coupled to the driving gear. Further, the pair of pinion gears may be meshed with the pair of racks. Upon actuation of the driving gear, the pair of pinion gears may be rotated relative to the pair of racks to cause movement of the gears along the pair of racks.

The invention relates to the technical field of circuit breakers, in particular to a circuit breaker with a reclosing mechanism, which comprises a shell, a circuit breaker handle is rotationally arranged in the shell, an operating rod and at least three gears meshed in sequence are further rotationally arranged in the shell, and the tooth number of each gear is gradually increased in sequence. The two gears located on the two sides are a small gear and a large gear respectively, the number of teeth of the small gear is smaller than the number of teeth of the large gear, the operating rod is fixedly connected with the small gear, and the large gear is in transmission connection with a circuit breaker handle. Speed reduction and torque increase are realized through the gear train, so that the force required to be applied when a user manually operates the handle of the circuit breaker is remarkably reduced, the operation intensity is reduced, the convenience of manual reclosing is improved, and the manual reclosing device is particularly suitable for a large-current circuit breaker or an occasion requiring a relatively large operation torque.

A radio-controlled model vehicle is provided including a model vehicle chassis, a vertically mounted motor, and a rear axle, configured to pivot in a vertical direction relative to the model vehicle chassis via one or more rear axle linkages. The rear axle also includes a vertical rear axle differential. The model vehicle further includes a gear reduction transmission including a spur gear comprising spur gear teeth offset from a spur gear center portion, and a pinion gear engaged with the spur gear teeth. In addition, the model vehicle includes a vertical, extendable driveshaft that has one end attached to the spur gear center portion and another end attached to the rear axle differential. Wherein the driveshaft extends through the spur gear and the motor powers propulsion wheels coupled to the rear axle via the gear reduction transmission, driveshaft and rear axle differential.

An anti-theft device for securing merchandise against theft. The anti-theft device has a stand that mounts onto a display surface. A pair of arms is disposed in a linear sliding relationship relative to the stand. The arms terminate with inwardly facing grips that receive the opposing edges or corners of the merchandise. The arms have gear racks operatively engaged by a pinion gear. The pinion gear is joined to a concentrically aligned worm wheel, which is operatively engaged by a worm. A motor is configured to selectively spin the worm in the first or the second direction, thereby selectively retracting or extending the arms relative to the stand to secure or release the merchandise, respectively. The worm drive immobilizes the arms against being extended from the stand using manual force, thereby locking the merchandise to the stand. A fob may be used to transmit a signal that actuates the motor.

A positive drive differential assembly including a differential with an input pinion configured to operably engage with a drive shaft so as to permit the drive shaft to rotate the pinion. A bi-directional overrunning clutch assembly is configured to transmit torque between the pinion and two drive axle segments. A pinion disconnect assembly is provided for controlling transmission of rotation to the pinion and including a rotary coupler. A linear actuator is connected to the rotary coupler and configured to translate the rotary coupler between connected and disconnected positions.

A hybrid system for drones and other modes of transport. A combustion engine provides range and / or lifting capacity for drones while electric motors / generators provide both control and maneuverability. One or more combustion engines, in conjunction with one or more electric motors / generators form a propulsion system whereby each is connected to and drives its own driving pinion in one or more planetary gear sets, and provide continuously variable transmission for driving propellers or driveshafts. The combustion engine may be connected directly to one of the planetary gear's driving pinions, or can drive one of the planetary gear's driving pinions. If the propellers are only driven by either a combustion engine, or an electric motor / generator, the other engine / motor will be kept at rest by a braking device for a combustion engine or a braking device for an electric motor / generator.

The invention relates to the technical field of direction control transmission of speed reducers for new energy vehicles, in particular to a reversing control internal meshing RV speed reducer which comprises a transmission assembly, the transmission assembly comprises a first transmission gear and a second transmission gear, and an electromagnetic clutch is fixedly installed on the inner wall of the first transmission gear. When the rotating main shaft is driven to rotate forwards and backwards, the arranged first transmission gear and the arranged second transmission gear are meshed with the first driven gear and the second driven gear correspondingly for rotation, and in the forward rotation process, the first transmission gear and the first driven gear are in meshed transmission; in the reverse rotation process, the second transmission gear, the small gear and the second driven gear are kept in a meshed and non-transmission state, in the reverse rotation process, the second transmission gear, the small gear and the second driven gear are in meshed transmission, and the first transmission gear and the first driven gear are kept in a meshed and non-transmission state. In this way, abrasion caused by the fact that tooth grooves are not aligned when the gears are meshed can be effectively avoided.

The invention discloses a marine winch brake device, which relates to the technical field of winches, and comprises an outer shell, a movable shell, a brake mechanism, a pinion, a bull gear, a multi-stage buffer mechanism, a locking mechanism, a clamping mechanism and a connecting shaft, the piston is pushed through the oil cylinder, power is transmitted through hydraulic oil, the brake block is driven to brake the brake disc, primary braking of the winch main shaft is achieved, and the braking mode is efficient and reliable; the wear-resistant anti-skid layers are arranged on the opposite faces of the brake blocks, friction force is effectively increased, the braking effect is improved, and the stability of the braking process is guaranteed; the tooth grooves in the outer circle face of the movable shell are matched with the movable clamping teeth, when the braking resistance is increased, the movable clamping teeth and the tooth grooves are indirectly separated for braking, and the braking performance is further optimized; the large gear is used for driving the multi-stage buffering mechanism to work, oil in the oil storage cavity is pumped into the buffering oil cavity through the hydraulic pump for buffering and energy absorption, winch damage caused by braking is avoided, and the service life of the winch is prolonged.

The invention discloses an angle locking mechanism of a steering system. The angle locking mechanism comprises a shell, a driving wheel, a driven wheel, a sliding block and a limiting feature. The driven wheel is provided with a pinion and a cam, the driving wheel is provided with an inner gear, and the inner gear and the pinion form a gear pair; the driving wheel is driven by an external driving shaft to rotate around the first rotating shaft; the driven wheel is driven by the driving wheel to rotate around the second rotating shaft; the cam is driven by the pinion to rotate around the second rotating shaft, and the cam and the driven wheel have the same angular velocity when rotating; the limiting feature is driven by the driving wheel to rotate around the first rotating shaft, and the limiting feature and the driving wheel have the same angular velocity during rotation; the sliding block is provided with a locking end and an arc-shaped end, and the arc-shaped end is in contact with the cam; when the arc-shaped end makes contact with the far rest position or the near rest position of the cam, the limiting feature is attached to the locking end, and a locking position is formed.

The utility model discloses a novel springboard angle detection device, which comprises a springboard connecting plate, a large gear ring and a fixedly arranged encoder body, the rotation axis of the large gear ring and the rotation axis of the springboard connecting plate are coaxially arranged, and the inner side of the large gear ring is in meshed connection with a pinion. The small gear is connected with a detection shaft of the encoder body and drives the detection shaft to rotate, and the encoder obtains the rotation angle of the small gear and converts the rotation angle to obtain the overturning angle of the springboard. The novel springboard angle detection device is installed between the springboard connecting plate and the speed reducer, is small in size, improves the space utilization rate of the springboard, and does not interfere with a channel above the springboard. A mechanical transmission mode is adopted, the structure is simple and stable, machining is easy and convenient, bolt connection is adopted, replacement is convenient, and data are accurate. By means of the swing arm structure, angle rotation measurement can be kept all the time when relative axial or radial displacement occurs between the large gear ring and the encoder body, and the phenomenon that the large gear ring is separated from the small gear during relative movement is avoided.

A steering system for use in turning steerable vehicle wheels includes a steering wheel and a housing. A pinion gear is located in the housing and is connected to the steering wheel via a shaft, so that the rotation of the steering wheel forces the pinion gear to rotate around an axis relative to the housing. The pinion gear has a recess. An elastic element is compressed in the recess between the pinion gear and the shaft. The elastic element exerts an axial force on the pinion gear, which dampens axial movements of the pinion gear relative to the housing.

The utility model discloses a multi-layer precision gear which comprises a multi-layer precision gear, the multi-layer precision gear is formed by sequentially arranging a small gear, a middle gear and a large gear, limiting pins are welded to the two ends of the side, close to the large gear, of the small gear and the two ends of the side, close to the large gear, of the middle gear, and pin grooves are formed in the two ends of the interior of the middle gear and the two ends of the interior of the large gear in a penetrating mode. A fixing assembly is arranged on the outer side of the multi-layer precision gear and comprises a long screw rod, and the outer side of the long screw rod is sleeved with a nut. The small gear, the middle gear and the large gear are sequentially arranged and fixed to form the complete multi-layer precision gear, the inner diameters of the shaft holes in the small gear, the middle gear and the large gear are the same, the positions of the threaded grooves are the same, and the small gear, the middle gear and the large gear can be used independently after being combined and disassembled at will.

An outboard motor includes a steering mechanism switchable between a state in which a pinion is rotated by a first drive source such that an outboard motor body is steerable within a first steering angle range, and a state in which the pinion is rotated by a second drive source such that the outboard motor body is steerable within a second steering angle range different from the first steering angle range.

The utility model relates to the technical field of metal door and window installation correction assemblies, and solves the problems that the device cannot be used in a scene that the device cannot be connected with a power supply, electrical equipment has a certain possibility of failure and damage and cannot be used when being damaged, and the use limitation of the scheme on the correction device is large. The metal door and window installation correcting assembly comprises a bottom plate, a supporting column is arranged on the top face of the bottom plate, a top plate is fixedly connected to the top face of the supporting column, a rotating assembly is installed on the top face of the top plate through an formed rotating hole, a screw is arranged on the bottom face of the rotating assembly, and a sleeve is in threaded connection with the surface of the screw. A movable plate is installed at the lower end of the sleeve, a pressing plate is installed on the bottom face of the movable plate through a buffering structure, the rotating assembly comprises a shell installed on the top face of the top plate, a rotatable handle is arranged on the top face of the shell, a large gear is installed on the bottom face of the handle, and the side face of the large gear is meshed with a small gear.

The invention discloses a convenient-to-adjust welding workstation for hardware machining, and relates to the technical field of adjusting welding, the convenient-to-adjust welding workstation for hardware machining comprises an equipment frame, a welding mechanism is fixedly mounted on the outer wall of the equipment frame, a first motor is fixedly mounted on the surface of the equipment frame, and the convenient-to-adjust welding workstation for hardware machining further comprises a clamping device; wherein the clamping device comprises a rotating rod, a fixing plate, a rotating pipe, an electric push rod, a clamping plate, a large gear, a second motor, a connecting rod, a circular plate and a small gear, and the rotating rod is fixedly installed at the output end of the first motor. The hardware is fixed in the welding process, the situation that the hardware is damaged due to the fact that the hardware shakes in the welding process and falls off can be prevented, meanwhile, the non-welded side is rotated, the hardware can be adjusted to the optimal position more easily, and unnecessary torsion and stretching are reduced.

The double tension protection winch for the underwater blowout preventer comprises a rack, a roller is installed on the rack, a plurality of sets of tension devices are evenly distributed and fixed to one end of the roller, and a large gear ring is clamped by the other ends of the multiple sets of tension devices; a motor is fixed to the position, close to the large gear ring, of the rack, and a small gear is arranged on an output shaft of the motor and meshed with the large gear ring. Arc-shaped frames are welded to the positions, at the two ends of the roller, of the rack respectively, cable arrangement supports are fixed to the arc-shaped frames through bolts a, a lead screw is installed between the two cable arrangement supports in the axial direction of the roller, and a lead screw chain wheel is arranged on the lead screw; the rack is provided with a brake disc brake device close to the large gear ring; and the hydraulic control system is respectively connected with the motor, the tension device and the brake disc brake device. According to the double tension protection winch for the underwater blowout preventer, the tension device and the hydraulic control system are arranged for double tension protection, an umbilical cable is prevented from being snapped, the cable arrangement device is designed to be in a rotatable mode, and the universality of the winch is improved.

A carrier rotatably supports a first pinion gear and a second pinion gear that rotate integrally with each other. One of the carrier and a ring gear is connected to a first gear so as to rotate integrally with the first gear. A second gear meshes with the first gear. The first gear and the second gear are each a double helical gear having a pair of tooth portions with mutually opposite helix directions. The first pinion gear and the second pinion gear are each a helical gear. The helix directions of the tooth portions of the first pinion gear and the second pinion gear are set such that the thrust load that the first pinion gear receives from a sun gear and the thrust load that the second pinion gear receives from the ring gear are opposite to each other.

The utility model discloses an electric barring gear of a vertical mill composite driving system, which comprises a barring motor, a barring speed reducer connected to the driving end of the barring motor, a barring pinion fixedly connected to the output end of the barring speed reducer, and a barring gearwheel used for being connected with an external driving device, the barring motor drives the output end of the barring speed reducer to rotate, the barring speed reducer drives the barring small gear to rotate, the barring small gear is parallel to the rotating plane of the barring large gear, and the barring small gear is meshed with the barring large gear. Low-rotating-speed and high-torque power transmission is carried out on the turning pinion through the turning motor and the turning speed reducer, so that the purpose of driving a vertical mill composite driving system and a millstone to carry out turning is achieved, the turning speed is stable and controllable, man-machine contact is reduced, and working efficiency and operation safety are improved.

The utility model belongs to the technical field of functional plastic master batches, and particularly relates to a functional plastic master batch blanking device which comprises a blanking box, the inner wall of the discharging box is fixedly connected with an elastic screening plate. Rotating shafts are rotationally connected to the two sides of the bottom of the elastic screening plate and located on the inner wall of the discharging box. The surface of the rotating shaft is fixedly connected with a three-blade cam; one end of the rotating shaft is fixedly connected with a pinion; the elastic material screening plate is arranged for screening materials and has certain elasticity, so that the rotating shaft can be matched with the three-blade cam to flap the elastic material screening plate when rotating, functional plastic master batches attached to the surface of the rotating shaft can be popped out and fall off from the elastic material screening plate, and when the particles are large and cannot pass through, the functional plastic master batches can be popped up and fall off from the elastic material screening plate, so that the functional plastic master batches cannot pass through the elastic material screening plate. And meanwhile, the spiral material guide plate is arranged for guiding materials to the elastic material screening plates, blockage caused by serious accumulation is avoided, and therefore normal discharging work can be guaranteed.

The present invention provides a headrest module including a mounting base; a rack bracket having a rack gear part and mounted on the mounting base to enable translational motion along an extended direction of the rack gear part; a moving gear having a pinion gear part engaged with the rack gear part and being installed to enable rotational motion and translational motion with respect to the mounting base; and a stopping unit formed to stop the rotational motion of the moving gear as the pinion gear part, which makes the rotational motion due to the translational motion of the rack gear part, makes the translational motion in one direction.