1636 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.

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.

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 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.

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.

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.

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.

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 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.

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.

The invention relates to the technical field of laser measurement, and provides a laser detection mechanism for a steel pipe fitting, which comprises a workbench and a mounting frame, a mounting frame is mounted on one side of the top end of the workbench, a three-jaw chuck is mounted on one side of the mounting frame, a steel pipe is mounted on one side of the three-jaw chuck, a mounting box is arranged at the top end of the workbench, and a dust removal structure is arranged on one side of the steel pipe. According to the cleaning device, a brush roller is driven to rotate through a pinion in the rotating process of a large gear, so that dust on the surface of a steel pipe is cleaned, a suction fan is started to generate suction force in the cleaning process of the brush roller, and the swept dust is sucked through a dust suction seat; and the dust collection head is arranged at the bottom end of the steel pipe fitting and moves along with the movement of the connecting block, so that secondary cleaning of dust on the surface of the steel pipe fitting is realized, the cleaning work of the dust on the surface of the steel pipe fitting is completed, and the detection effect is not influenced by the dust on the surface of the steel pipe fitting during detection.

A tensioning system for a conveyor belt having a center drive. The tensioning system allows a user to increase or decrease the tension in a conveyor belt that passes around a drive pulley and a pair of tension rollers. The tensioning system allows a user to simultaneously rotate each of the tension rollers into a different position relative to the drive pulley by means of adjustment arms controlled by a pinion to increase or decrease the tension on the conveyor belt.

The invention relates to the technical field of aerospace equipment, in particular to a fairing closing method and device and a fairing. The method comprises the steps that when the target distance of a steering wheel does not reach a preset distance, the target distance of the steering wheel is adjusted to be the preset distance so that the circle center of a first rectification half cover and / or a second rectification half cover can coincide with the circle center of the bottom of a satellite; when the gear shaper on the rectification half cover is not aligned with the gear shaper hole in the satellite, the rectification half cover is controlled to rotate in situ, so that the gear shaper on the rectification half cover is aligned with the gear shaper hole in the satellite; when the first rectification half cover and the second rectification half cover are not aligned, the height of a steering wheel in the first rectification half cover and / or the second rectification half cover is adjusted, so that the first rectification half cover and the second rectification half cover are aligned; and when the first rectification half cover and the second rectification half cover meet preset conditions, the first rectification half cover and the second rectification half cover are closed. According to the method, the operation complexity is reduced, and the fairing closing convenience is improved.

The invention discloses a plate anchor based on telescopic fins. The plate anchor comprises a plate anchor shell, a plurality of fins, a driven gear, a meshing pinion, a transmission rod piece and a power module. The plate anchor shell comprises two circular sheets of which the centers are fixedly connected; the fins are the same in shape and composed of fan-shaped faces and arc faces, and cavities are formed in the fins. One end of the fixing rod is fixedly connected with the cambered surface, and the other end of the fixing rod is provided with a limiting block; arc-shaped guide grooves with the same number as the fins are formed in the driven gear; the transmission rod piece is provided with a plurality of branches, and a cavity is formed in each branch to insert the fixing rod. One of the branches is a fan-shaped branch, and a meshing pinion and a power module are mounted at the top end of the fan-shaped branch; the power module provides power for the meshing pinion; the meshing pinion is meshed with the driven gear, and the limiting stopper slides along the guide groove along with rotation of the driven gear, so that the fixing rod on the wing panel moves in the direction away from the circle center, and extension of the wing panel is achieved. The anchoring performance of the plate anchor is improved, and the structural reliability is high.

A torque sensor 10 comprises: a stub shaft 86; a first pinion gear 91 through which torque is transmitted to and from the stub shaft 86 via a torsion bar 95; a sensor body 58 fixed to the first pinion gear 91 or the stub shaft 86; a sensor housing 21 that houses the stub shaft 86 and the sensor body 58; and a bearing 70 that rotatably supports the stub shaft 86 with respect to the sensor housing 21. The stub shaft 86 has a guide part 87 having a diameter that is slightly smaller than the diameter of a portion of the stub shaft 86 where the bearing 70 is disposed. The length L1 in the axial direction from a guide end 87a to an end section 58a of the sensor body 58 on a side where the guide part 87 is located is longer than the length L2 in the axial direction from the bearing 70 to an end section 23 of the sensor housing 21.

The utility model relates to the technical field of bending devices, in particular to a bending device for furniture processing. Comprising a large gear and a small gear which rotate on the top of the base, the large gear and the small gear are connected in a meshed mode, a circular plate is arranged on the top of the large gear, a cylinder is arranged on the top of the circular plate, a bearing plate is fixed to one side of the circular plate, a bearing block is arranged on the portion, located on one side of the small gear, of the top of the base, and a frame plate is arranged on one side of the bearing block. A first motor for driving the small gear to rotate is arranged at the top of the frame plate, clamping assemblies are arranged at the top of the bearing plate and the top of the bearing block, a steel bar is placed at the top of the bearing block and the top of the bearing plate and clamped by the two clamping assemblies and the cylinder, and the steel bar is bent when the large gear rotates. The top of the base is covered with a protection assembly, and a limiting edge for limiting the protection assembly is arranged on the side edge of the top of the base. According to the bending device for furniture processing, steel bars with various diameters can be bent, chippings splash out in the bending process, and operators can be well protected.

The invention discloses a heatable automatic powder stirring encrusting device and system. The equipment comprises a flour bin, a heat preservation shell, a steam heating opening, a stuffing hopper, an auger A, an auger B, an auger shaft fixing plate, a synchronous wheel A, a synchronous wheel B, a synchronous belt, a gear motor, a supporting plate, a driving motor, a pinion, an outer bin transmission gear, a bearing base, a base bearing pressing plate, a supporting column, a side position fixing plate, a telescopic push rod, a motor, a cutter fixing base, a cutter power disc and a cutter disc gear. The device comprises a cutter blade, a cutter movement guide opening, a sensor, a sensor supporting plate, a straight gear, a cutter driving shaft, a switch valve, a sealing gasket, a sealing cover, a bearing, a fixing plate, a positioning short shaft and a cutter lower rotating disc. The device is used for mounting the automatic powder stirring control equipment to realize powder stirring through rotation of the motor and the rotary straight gear.

The utility model relates to a kind of multi-plate friction clutch impact test device, the utility model aims at providing a kind of multi-plate friction clutch impact test device, for solving the problem of above-mentioned friction clutch impact test, multi-plate friction clutch is installed in clutch box, four laser emission assemblies are respectively arranged in front, rear, left side and right side of clutch box, laser emission assembly is set towards clutch box, first pinion is fixedly installed on the input shaft of multi-plate friction clutch, two impact components are fixedly connected with the input shaft of multi-plate friction clutch, first driver is fixedly connected with first gear wheel, the output shaft of multi-plate friction clutch is fixedly connected with another two impact components, second pinion is fixedly installed on the output shaft of multi-plate friction clutch, second driver is fixedly connected with second gear wheel.The utility model belongs to the field of friction clutch impact test.

Electromotive assembly comprising a casing (CM), a differential mechanism (DF) and an electric machine (MEL) having a rotor (9) with a rotor shaft (1), the differential mechanism (DF) comprising a planet carrier element (2) rotated by the rotor shaft, pinion gears (23, 24) rotatably mounted on the planet carrier, a first sun gear (21) and a second sun gear (22), a short drive shaft (A1), bearing splines and mounted on the one hand in the first sun gear, and on the other hand in a first primary pinion, a long drive shaft (A2), bearing splines and mounted on the one hand in the second sun gear, and on the other hand in the second primary pinion, wherein the mounting of the rotating parts calls for two bearings (B1, B2) for rotatably mounting the rotor shaft, a bearing (B3) for rotatably mounting the first primary pinion, and a bearing (B4) for rotatably mounting the second primary pinion.

The application discloses an energy-saving air source heat pump dryer and relates to the technical field of air source heat pump dryers.The energy-saving air source heat pump dryer comprises a drying compartment, an air heat source pump body is arranged at the top end of the drying compartment, a plurality of fins are arranged at the bottom end in the drying compartment, air pipes are coiled between the fins, the air inlet of the air pipe is connected with the output end of the air heat source pump body and penetrates through the drying compartment, and the device is used for rotating a plurality of drying trays through a rotating structure, rotating a small gear connected with the motor through the motor, realizing the synchronous rotation of three large gears and a first rotating shaft through the meshing of the plurality of small gears and the large gears, rotating the inserted block through the first rotating shaft, rotating the drying tray, continuously rotating the materials in the drying tray in the horizontal direction, avoiding the local overheating or uneven drying, and compared with the traditional static drying, the dynamic rotating mode can effectively avoid the overheating and scorched problem caused by the long-time heating of the materials.

This application relates to the field of spiral classifier technology. Specifically, an embodiment discloses a transmission device for a spiral classifier, including: a frame, a reduction motor, a pinion, a large gear, and a bearing mechanism. The reduction motor is located at the upper end of the frame and includes a reducer and a motor. The output shaft of the motor is drively connected to the reducer, and the pinion is located at the end of the reducer's output shaft. The base of the bearing mechanism is connected to the upper end of the frame, and a bearing is installed within the bearing mechanism. A rotating shaft on one side of the large gear is connected to the bearing. The pinion meshes with the large gear. This addresses the problems of difficult gear replacement and stress on the transmission device in existing spiral classifier transmission devices.

The present invention provides a rotating machine in which the gear housing is less susceptible to the heat effects from the housing cover. The rotating machine (30) includes: a gear housing (36) housing a large gear (34) and a small gear (35); a housing cover (42) configured to form a gap between it and the back of an impeller (41); a drive shaft (43) inserted into a hole (42a) in the housing cover (42) and connecting the impeller (41) and the small gear (35); a mounting part (51) provided on a portion of the opposing surface (37a) of the outer side of the gear housing (36) opposite to the housing cover (42), which is annular or arc-shaped with the rotation center axis of the impeller (41) as the center; and a heat insulation member (53) clamped between the mounting part (51) and the housing cover (42).

The utility model discloses a tea dryer with a speed regulating mechanism. The tea dryer comprises a drying box; the placing mechanism comprises a rotating shaft and a mounting groove; the rotating shaft is rotationally inserted into the drying box; the mounting groove is formed in the top of the rotating shaft; the speed regulating mechanism comprises a driving shaft, a small gear I and a large gear I, the driving shaft is rotationally inserted into the top of the drying box, and the small gear I and the large gear I are sequentially and fixedly connected to the surface of the driving shaft in a sleeving mode from top to bottom. The first large gear and the second small gear are connected in a meshed mode or the first small gear and the second large gear are connected in a meshed mode, the rotating speed of the rotating shaft can be adjusted, and the differential requirements for the rotating speed in different stages of tea drying are met.

A reduction gear, into which power is supplied by a second electric motor, a reduction gear with a smaller diameter than the reduction gear that drives a differential gear assembly, and a countershaft form a speed reduction mechanism. This eliminates the need for a ring gear on the outside of a stepped pinion and thus prevents an increase in the outside diameter of a first housing cover on the motor side, projecting from the main body of a transaxle housing to accommodate the speed reduction mechanism. At least part of the differential gear assembly or part of the countershaft is arranged to project toward the side of the machine over an interface between the machine and the transaxle housing, which may shorten one dimension of the transaxle housing along a second axis.

A vertical wind turbine generator including a base including a generator housed therein, a magnetic pinion gear connected to the generator via a shaft, a magnetic bull gear in magnetic communication with the pinion gear, a rotating shaft rigidly connected to the magnetic bull gear, a wind turbine blade connected to the rotating shaft and including a photovoltaic (PV) panel, and an energy storage device electrically coupled to the generator and the PV panel, wherein rotation of the wind turbine blade and rotating shaft is transferred to the generator via the magnetic bull gear and magnetic pinion gear to produce electrical energy.