1980 results about "Pinion" patented technology

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 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 discloses an intelligent detection device and method for the straightness of a linear guide rail, and relates to the technical field of straightness detection. According to the linear guide rail straightness intelligent detection device and method, through cooperation of the position adjusting disc mechanism, the driving pinion, the laser measurement mechanism and the reflector mechanism, straightness detection can be carried out on the top surface and the two side surfaces of the linear guide rail at the same time, and the detection efficiency is improved; the distance between the laser measuring mechanism and the to-be-detected surface of the linear guide rail can be changed, and due to the fact that the propagation paths of laser beams emitted by the laser measuring mechanism in the air are different and the influence of air disturbance is also different under different distances between the laser measuring mechanism and the to-be-detected surface of the linear guide rail, multiple times of detection can be carried out; multiple groups of data are measured, straightness detection results under different air disturbance conditions can be quickly obtained, and the influence degree of air disturbance on straightness measurement of the linear guide rail can be evaluated by comparing and analyzing the data.

The invention provides a cam limiting external fixing spiral clutch device for lifting opening and closing of a grab ship unloader, and relates to the technical field of bulk cargo wharf grab ship unloaders, which comprises a pinion in clearance fit with a planetary reducer shaft, a bull gear connected with a cam limiting switch through a bolt, and an adjusting bolt in threaded fit with a shaft hole at the end part of the pinion. A shaft shoulder unthreaded hole is formed in the center of the planetary reducer shaft to limit axial movement of the adjusting bolt. The small gear is driven to slide in the axial direction by twisting the adjusting bolt so as to be meshed with or separated from the large gear, the adjusting bolt is reversely rotated before rope replacement to enable the gear to be separated, the large gear is prevented from being driven by rotation of the small gear, and therefore the cam limiting switch shaft is fixed; after the rope is replaced, the gears are meshed through reverse rotation again, and connection is recovered. The device is simple in structure, realizes fixation and reconnection of the limit switch shaft through mechanical transmission, does not need manual disassembly, assembly and debugging, saves manpower and time cost, is low in failure rate, and is suitable for the scene of replacing the steel wire rope of the four-drum grab ship unloader.

The present invention relates to a transmission arrangement (2) for a machine tool comprising a bevel gear stage (11), a spur gear stage (8), and a transmission housing (29). The spur gear stage (8) has a drive pinion (9) and a spur gear (10). The bevel gear stage (11) has a bevel gear shaft (12) and a ring gear (13). The transmission housing (29) has a housing element (14). The drive pinion (9) forms a drive. The spur gear (10) and the bevel gear shaft (12) are permanently and rotationally fixed to one another. The ring gear (13) forms an output. The spur gear (10) and the bevel gear shaft are mounted in the housing element (14). The housing element (14) has a journal (17) on which the ring gear (13) is mounted. The pin (17) has a recess (23) through which the bevel gear shaft (12) can be guided into its mounting position.Furthermore, the invention relates to a gearbox housing (29) for a gearbox arrangement (2) and a working machine.

A pitch assembly for a vehicle seat includes a drive pinion having a slot, a pinion actuator having a key positioned within the slot, a cam fixedly coupled to the pinion actuator by a drive shaft, a drive motor operatively coupled to the drive shaft and configured to rotate the drive shaft, and an actuator lever operatively coupled to the cam and operatively coupled to a disc mechanism. The drive motor rotates the drive shaft causing the cam to move the actuator lever to an actuated position causing the disc mechanism to be unlocked prior to the key engaging with the slot. Additional rotation of the drive shaft after the key is engaged with the slot rotates the drive pinion causing the vehicle seat to be pivoted between a first and second position.

A gripper for handling SMD component reel cassettes using a robotic arm automatically controlled by a robot controller wherein the robotic arm carries and manipulates the gripper on a tool flange of the robotic arm. The gripper includes a drive pinion, which is rotatably mounted on the gripper main body and is designed to mesh with an output wheel of the SMD component reel cassette when the SMD component reel cassette is coupled to the gripper. The gripper includes a drive motor, which is disposed on the gripper main body and is designed to automatically drive the drive pinion.

The controllable floating electromagnetic capturing mechanism comprises an electromagnet, a separating device, a connecting rod floating device, a non-contact switch device, a lead screw, a lead screw nut, a guide rod, a linear bearing, a guide rod fixing block, a large gear, a small gear, a motor, an upper shell, a middle shell, a lower shell and a visual camera. The connecting rod floating device comprises a base, an outer connecting rod, an inner connecting rod, a ball rod, an adaptive block, an adaptive rod, a pre-tightening sliding block, a pre-tightening spring, a floating spring and a control sliding block; the separating device comprises a retaining spring, a separating sleeve, a separating shell, a separating plug, a separating rod and a separating spring; the separating device comprises a retaining spring, a separating sleeve, a separating shell, a separating plug, a separating rod and a separating spring; the motor drives the lead screw to rotate through the small gear and the large gear, the control sliding block of the connecting rod floating device is controlled to ascend and descend, and the floating and locking states of the electromagnet are changed.

The invention relates to the technical field of wind generating set yaw system lubrication, in particular to a wind generating set yaw gear partition lubrication method which comprises the steps that area division is conducted, specifically, the working face of a yaw gear is evenly divided into an upper independent lubrication area, a middle independent lubrication area and a lower independent lubrication area in the axial direction; performing exposure detection; grading judgment: judging whether an oil outlet hole of the grease injection pinion needs to be blocked or not for the exposed area based on the exposed area proportion and a preset judgment threshold value, and determining the area needing to be blocked; for the non-exposed area, the lubricating grease covering thickness is detected through thickness detection equipment, the film thickness proportion is calculated, and the area needing to be plugged and the number needing to be plugged are determined according to the film thickness difference proportion; and executing the operation. According to the invention, through dynamic plugging of the oil outlet holes, precise regulation and control of the lubrication amount in the tooth width direction are realized, so that the lubrication uniformity is improved, and waste and pollution caused by accumulation of grease on the lower side are reduced.

The invention provides a cam limiting internal fixing spiral clutch device for lifting opening and closing of a grab ship unloader, which relates to the technical field of bulk cargo wharf grab ship unloaders and comprises a pinion in clearance fit with a planetary reducer shaft, a cam limiting switch in bolted connection with a bull gear and an adjusting bolt. An end shaft hole of the pinion is provided with internal threads, a threaded hole is formed in the center of a planetary reducer shaft, and the adjusting bolt is matched with the threaded hole; the small gear is driven to slide in the axial direction to be engaged with or disengaged from the large gear by rotating the bolt cap. When the steel wire rope is replaced, the disengagement gear can avoid contact deviation caused by rotation of the cam limit switch shaft; the gear is directly meshed after the rope is replaced, and secondary contact adjustment is not needed. The structure of the device adopts a pure mechanical mode, operation is simplified, stability is high, and debugging time of about one day is saved for single maintenance.

The invention relates to the technical field of aluminum alloy die-casting, and discloses a high-silicon aluminum alloy die-casting device which comprises a workbench and further comprises a mounting frame connected to the top of the workbench, a die-casting mechanism arranged on the mounting frame, a placing frame arranged on the top of the workbench, a die mounted in the placing frame through bolts, an ejection mechanism arranged on the workbench, and a die-casting mechanism arranged on the workbench. And the temperature control mechanism is arranged at the top of the workbench and used for preheating and cooling the die. In the ejection mechanism, when a ball screw ascends to eject a workpiece, a large gear and a small gear are driven to rotate through ball transmission of a ball sleeve and the ball screw, so that a first rotating rod drives a knocking block to knock the two sides of a mold, and meanwhile, a surrounding sleeve and a lifting rod drive a knocking plate to swing to knock the bottom of the mold; the adsorption force between the workpiece and the mold is destroyed through mechanical knocking, the workpiece is prevented from deforming or remaining during ejection, and manual intervention is reduced.

Provided is a welding device for machining, comprising a frame (1), clamping mechanisms (2), a support ring (3), an angle adjustment mechanism (4), an electric telescopic rod (5), a connecting frame (6) and a welding machine (7). One clamping mechanism (2) is mounted on each of the left and right sides of the frame (1); the support ring (3) is arranged in the frame (1); the angle adjustment mechanism (4) is mounted on the support ring (3); the angle adjustment mechanism (4) comprises: a driving motor (401), a pinion (402), a large gear (403) and an extension plate (404), wherein the driving motor (401) is fixed to a connecting plate (301), the pinion (402) is mounted on an output shaft of the driving motor (401), the large gear (403) meshing with the pinion (402) is mounted on the lower side of the pinion (402), the extension plate (404) is fixed to the front side of the large gear (403), and the electric telescopic rod (5) is mounted on the extension plate (404); an output end of the electric telescopic rod (5) is fixed to the connecting frame (6); the welding machine (7) is mounted in the frame (1); and a welding head (701) is connected to the welding machine (7). The welding device is convenient to use, and facilitates annular welding of a circular pipeline.

The utility model discloses a closing and separating device for a slow turning speed reducer and a pinion of a ball mill, and relates to the technical field of slow turning operation of ball mills, the closing and separating device comprises a chassis, a transmission rod and a driving piece, the chassis is used for being detachably and fixedly connected with the top of the slow turning speed reducer; one end of the transmission rod is hinged to the top of the slow turning pull rod, and the transmission rod is slidably connected with the chassis. The driving piece is used for driving the transmission rod to slide and can keep the position after sliding so that the transmission rod can drive the slow turning pull rod to control the slow turning matched teeth to be meshed with or separated from the pinion shaft. The structure is simple, and use is convenient.

A differential module having a first axis of rotation and including a planet carrier, a planet pinion pivotably mounted on the planet carrier, and a first and a second sun gear pivoting about the first axis of rotation. Also included is a first and a second wheel-driving half-shaft, the first wheel-driving half-shaft being rotationally connected to the first sun gear. A sliding sleeve is configured to occupy, selectively, four axial positions for the coupling of the differential module.

A brake device for a vehicle seat, which includes a tooth plate installed on an unlock member and coupled to a pinion shaft in a serration manner to constrain rotation of the pinion shaft. Therefore, even when the rotational constraint force by brake rollers is reduced due to the repeated loading, the rotation of the pinion shaft is reliably suppressed by the tooth plate, thereby preventing seat sagging.

The utility model discloses a lubricating pinion production device. The lubricating pinion production device comprises a rack, a rotating shaft is rotationally mounted on the rack, a driving mechanism for driving the rotating shaft is arranged on the rack, a stud is rotationally mounted at the upper end of the rotating shaft, a balancing weight is arranged on the upper side of the stud, a fixing disc for supporting and fixing a lubricating pinion blank is rotationally mounted on the upper side of the balancing weight, and a moving ring is arranged on the stud. A plurality of first connecting rods are hinged to the outer wall of the movable ring, a plurality of second connecting rods which are in one-to-one correspondence with the first connecting rods in the vertical direction are hinged to the outer wall of the fixed disc, arc-shaped plates matched with lubricating pinion blanks are arranged at the ends of the second connecting rods, and the ends of the first connecting rods are hinged to the second connecting rods; the rotating shaft is sleeved with a connecting plate, and the connecting plate is connected with the moving ring through a plurality of telescopic rods. Compared with the prior art, drilling can be known after drilling is completed, damage to the drill floor caused by the drilling mechanism is avoided, and the lubricating pinion production efficiency can be improved.

An apparatus for a brake drum of a vehicle having a drum brake assembly with first and second brake shoes includes a motor with a pinion gear. A ball screw assembly has a nut for receiving torque from the pinion gear and a spindle threaded with the nut. The nut is aligned with the first brake shoe and the spindle is aligned with the second brake shoe. The motor is actuatable for rotating the nut to move the nut and the spindle away from one another for moving the brake shoes to apply braking force to the brake drum during a braking event. A bi-stable locking mechanism selectively locks the motor to prevent torque transfer from a back-driving ball screw assembly to the motor.

The check valve structure with the self-cleaning runner relates to the field of check valves and comprises a valve body, one end of the valve body is communicated with a communicating pipe through a flange, one end of the communicating pipe is connected with a communicating mechanism, a transmission mechanism is installed on the inner side of the communicating pipe, and one end of the transmission mechanism is in transmission connection with a cleaning mechanism. The turbine is guided and impacted through the water inlet, the turbine is driven to rotate, then power is transmitted to the center gear through the coupling rod, the center gear makes contact with the small gear, the power is further transmitted to the gear ring, follow-up mechanical actions are started, the gear ring and the first rotating rod work cooperatively, and the rotating rods can rotate smoothly; power is transmitted to the stress block through the surface driving groove, the movable pipe is pushed to slide in the sleeve, then translation of the cleaning mechanism is achieved, the movable pipe can slide along the inner wall of the communicating pipe to clean deposited dirt on the connecting portion of the valve, the situation that the normal function of the valve is affected by impurity accumulation is effectively avoided, and the self-cleaning purpose is achieved.

A bicycle includes a suspension system of the rear wheel, a crankset integral with the frame, and a hub and pinions assembly integral with the rear wheel, which are subjected to reciprocal displacement by the action of the suspension system. The crankset and the hub and pinions assembly each include at least one gear wheel engaged by the chain and a rotation shaft. Between the gear wheel and the shaft, there is operatively interposed a compensation device placed to allow a compensation angular stroke between them from a rest position corresponding to an absence of chain pull, to a compensation position, corresponding to an action of chain pull generated by the reciprocal displacement, and vice versa. The compensation device includes an adjustment system of the compensation angular stroke.

In one embodiment, an oral irrigator including a reservoir, a tip fluidly connected to the reservoir, a motor having a drive shaft, and a pump. The pump includes a pump body including a pump inlet fluidly connected to the reservoir and a pump outlet fluidly connected to the tip, a spiral pinion gear including a plurality of pinion gear teeth that curve along their length, and a spiral driven gear including a plurality of driven gear teeth that mesh with the pinion gear teeth. The pump also may include a connecting rod eccentrically connected to the driven gear and a piston and received within the pump body. Movement of the drive shaft causes the pinion gear to rotate, causing the driven gear to rotate, translating the connecting rod and moving the piston laterally within the pump body to pull fluid from the reservoir and push the fluid to the tip.

The application discloses a multi-axis linkage automatic fiber placement system and relates to the technical field of carbon fiber automatic fiber placement machines. The second driving part and the third driving part drive the second body rotation and the fiber placement head body rotation through two groups of anti-backlash structures, the anti-backlash structures comprise servo motors, first gears, second gears and third gears, the first gears and the second gears are respectively installed on the output shafts of a pair of servo motors, one side of the first gear teeth is engaged with the third gear, and the other side of the second gear teeth is engaged with the third gear. The application is characterized in that two driving pinions and one driven gear are engaged, one pinion is engaged with the front side of a gear of the driven gear, the other pinion is engaged with the back side of the gear of the driven gear, the servo motors are provided with a start time difference, the gap generated in the process of gear engagement is eliminated, the rotation is stable, and the rotation torque is increased.

The invention discloses an assembling structure and method for a pure electric steering gear with double speed reducing mechanisms, and relates to the technical field of pure electric steering gear. According to the structure, a speed reducing shell and a motor controller are arranged on a steering gear shell, and a first-stage speed reducing mechanism composed of a small gear and a large gear is sequentially arranged in the speed reducing shell; one end of the worm is connected with the large gear through a transmission balance shaft, and a spring and a bearing are arranged in the transmission balance shaft to achieve radial elastic supporting and mechanical balance. The assembling method is carried out according to the sequence of the self-adaptive adjusting assembly, the worm, the transmission balance shaft, the speed reduction shell, the steering gear shell and the motor controller, and through a rotation test, the meshing clearance of the gear pair and the worm and gear pair is subjected to self-adaptive compensation by utilizing elastic deformation of a spring and a rubber element. Under the condition of a single motor, a large total transmission ratio and a large steering output torque are obtained, and meanwhile transmission stability, noise vibration performance and long-term use reliability are considered.

The invention relates to a hypocycloid mechanism comprising: a shaft (4); a gearwheel (7) rotatable about its center and coupled to the shaft (4); a pinion (8) parallel to the gearwheel (7), the pinion being rotatably mounted on an axle eccentrically passing through the gearwheel (7); a cylinder (1) having a piston (2); a connecting rod (3), one side of which is connected to the piston (2) and the other side of which is rotatably connected to the pinion (8), such that the rotation of the gearwheel (7) and the pinion (8) is associated with the reciprocating movement of the piston (2); at least one bearing-supported stationary part (6) in which the gearwheel (7) is rotatably mounted. The present invention is characterized in that: a fixed member (6) is an annular member provided with teeth on the inner side, and a pinion gear (8) provided with teeth on the outer side and meshing with internal teeth (6 ') of the fixed member (6); the gearwheel (7) is provided with teeth on the outside and is rotatably mounted in the stationary part (6) by means of a bearing (6 '') such that the teeth (6 ') of the stationary part (6) extend over a portion of the thickness of the stationary part, and the stationary part further comprises a toothless surface extending over a portion of the thickness of the stationary part and having a bearing support (6''), a gearwheel (7) having a toothless surface complementary to the bearing (6 '') of the stationary part, the gearwheel (7) being coupled by its teeth (7'') to the shaft (4); the connecting rod (3) has two arms (3a, 3b) extending on both sides of the gear assembly (7, 8) wherein a first arm (3a) is connected to the pinion (8) at a first pivot point (O) on one side of the gear assembly (7, 8) and a second arm (3b) is connected to the pinion (8) at a second pivot point (O) on one side of the gear assembly (7, 8). And the second arm (3b) is connected to the pinion (8) at a second pivot point (O ') on the other side of the gear assembly (7, 8) wherein the orthographic projection of the first point (O) on the plane of the gearwheel (7) and the orthographic projection of the second point (O') on the same plane of the gearwheel (7) are always equal. The invention also relates to an engine and a compressor comprising such a mechanism.

A seat member movable device that moves a seat member with respect to a placement base, the seat member movable device including a support disc that supports the seat member, a base that supports the support disc so as to be movable with respect to the placement base, and a drive device that moves the support disc. In a restrained state in which movement of the support disc is restrained by a restraining unit, as a lifting / lowering shaft is rotated by driving of a motor, a pinion moves in a first direction, and moves one of a first plate-shaped member and a second plate-shaped member in a direction away from the other thereof, to release the restrained state by the restraining unit.

To increase the maximum rotating speed of an internal gear pump.SOLUTION: An internal gear pump 1 includes: a gear set 7 including a pinion gear 3 and a ring gear 4; a housing 10; a fixed-type crescent 54; and an introduction path 8 having an inflow port 8a communicated with a suction part 11 of the housing 10 and an outflow port 8b that comes in contact with a traffic line FL1 of the addendum of the pinion gear 3 or a traffic line of the addendum of the ring gear 4 between the suction part and a discharge part 12, which causes working fluid flowing in from the inflow port to flow out to a tooth groove of the pinion gear or a tooth groove of the ring gear from the outflow port.SELECTED DRAWING: Figure 3