38results about How to "Large transmission" patented technology

The invention relates to an internal-combustion engine with two-phase inner cam shock wave shifting for transmission, relates to the field of gas power, and belongs to a multi-cylinder internal-combustion engine. The invention provides a novel internal-combustion engine, wherein eight air cylinders are symmetrically uniformly distributed on the periphery of a two-phase inner cam in an annular manner, the stressed resultant force of a convex inner two-phase inner cam is zero, an air cylinder piston is directly acted on the convex inner two-phase inner cam through a push rod, and power is passed on an output shaft connected with a center wheel key through two-phase inner cam shock wave moving teeth of the convex inner two-phase inner cam. In the internal-combustion engine, a connecting rod and a crank shaft of the traditional internal-combustion engine are omitted, and a convex inner two-phase inner cam shock wave shifting transmission mechanism has no eccentric quality, has inertia force and service load self balancing; and the rotation speed of the output shaft depends on the transmission ratio of the living teeth transmission, if a living teeth frame is fixed, a center wheel outputs at a low speed in a large torque, and the internal-combustion engine is broadly used to project machines, armored cars and the like which need high power. The internal-combustion engine provided by the invention has the advantages that the structure is simple and compact, the axial size is small, the stressing is self-balanced, and the operation is stable.

The invention discloses an annular speed reducer which comprises a speed reducer box and an input shaft, wherein, the input shaft is equipped with driving gears; the speed reducer box is internally equipped with three eccentric shafts with parallel axes, and the three eccentric shafts are arranged in an equilateral triangle shape; driven gears are arranged on one or two or three eccentric shafts and meshed with the driving gears for synchronous rotation; a first annular plate and a second annular plate are equipped with three bearing holes which are distributed in an equilateral triangle shape and equipped with bearings, the three eccentric shafts pass through the bearing holes respectively, and the first annular plate and the second annular plate are supported on the three eccentric shafts via the bearings; and internal teeth are arranged at central positions of the first annular plate and the second annular plate and meshed with external teeth on an output shaft so as to drive the output shaft to rotate. The two annular plates have the same shape and the same mass and the phase difference of the annular plates in dynamic engagement is 180omicron, thereby counteracting the centrifugal force of the annular plates and basically counteracting the additional moment generated by the centrifugal force so as to realize balance of force and moment. The speed reducer has the advantages of greater transmission and wide use.

The invention discloses a dual-motor stepless variable speed vehicle power system with high working efficiency. The dual-motor stepless variable speed vehicle power system with the high working efficiency comprises a high-speed driving motor which comprises a high-speed motor shaft, low-speed driving motors which comprise low-speed motor rotors and an output shaft, and the right end of the high-speed motor shaft of the high-speed driving motor is fixedly connected to a first sun wheel of a first planetary row. The dual-motor stepless variable speed vehicle power system with the high working efficiency is characterized by further comprising an outer ring and a second planetary row, wherein a second sun wheel of the second planetary row is located in a second planetary carrier, a second planetary wheel of the second planetary row is rotatably installed on the second planetary carrier, a second gear ring of the second planetary row is located outside the second planetary carrier, a first planetary carrier of the first planetary row is fixedly connected to the second sun wheel of the second planetary row, the left end of the outer ring is fixedly connected to a first gear ring of the first planetary row, the right end of the outer ring is fixedly connected to the second gear ring of the second planetary row, the outer side of the outer ring is fixedly connected to the low-speed motor rotors of the low-speed driving motors, and the right end of the second planetary carrier of the second planetary row is fixedly connected to the output shaft.

The invention relates to mining machinery, in particular to a traveling reducer and mining machinery with the traveling reducer. The traveling reducer comprises a box body, a first reduction gear and a second reduction gear, wherein the first reduction gear and the second reduction gear are arranged in the box body. The first reduction gear comprises a reduction wheel group connected with a driving motor and a planet reduction assembly connected with the reduction wheel group in driving mode. The second reduction gear comprises a planet reduction output shaft gear, a first idler pulley assembly and an input big gear shaft assembly. By arranging the planet reduction assembly outside a chain wheel assembly, driving on the chain wheel assembly is achieved through the planet reduction output shaft gear, the first idler pulley assembly and an input big gear assembly which are connected in parallel and driving mode. The traveling reducer of the structure is large in transmission and output torque, final power output of the traveling reducer transmits through a lateral big gear, the chain wheel can be small, and driving force is large.

The invention discloses an outside-protruding-inside random tooth difference cam moving type transmission combustion engine, relates to the field of gas power and belongs to multi-cylinder engines. Eight cylinders of the novel combustion engine are symmetrically and evenly distributed on the circumference of an outside-protruding-inside multiphase inner cam, so that the resultant force exerted on the outside-protruding-inside multiphase inner cam is zero, pistons of the cylinders directly act on the outside-protruding-inside multiphase inner cam through push rods, and motive power is transmitted to an output shaft connected with a central gear by the outside-protruding-inside multiphase inner cam through movable oscillating tooth transmission of a random tooth different inner cam. The combustion engine omits a connection rod and a crank shaft in a traditional combustion engine, and an outside-protruding-inside multiphase inner cam shock wave mobile transmission mechanism has the advantages of having no eccentric mass, and having inertia force and self-balance of working load. The rotating speed of the output shaft depends on the transmission ratio of the oscillating tooth transmission, if an oscillating tooth carrier is fixed, the central gear performs outputting in a low-speed large-torque mode, and the outside-protruding-inside random tooth difference cam moving type transmission combustion engine can be widely applied to engineering machinery, armored cars and the like which need large power and is simple and compact in structure, small in axial dimension, self-balanced in stress and stable in operation.

A novel automobile electric side door opening driver comprises a shell, a motor assembly, a lead screw assembly and a push rod, and the shell can be installed on an automobile side door; the motor assembly comprises an output shaft extending into the shell; the screw rod assembly is arranged in the shell and comprises a screw rod and a sliding block which is in threaded connection with the screw rod, and the screw rod is in transmission connection with the output shaft; the push rod is movably arranged on the shell in a penetrating manner; central shafts of the output shaft and the screw rod are perpendicular to each other; the screw comprises an input end and an output end, the input end is sleeved with a worm gear, and the output shaft is connected with a worm; the input end of the screw extends towards the side away from the output end to form a damping part, and a damper assembly is arranged on the damping part in a matched mode. The output shaft of the motor is perpendicular to the center shaft of the screw, transmission is achieved between the output shaft of the motor and the center shaft of the screw through cooperation of the worm gear and the worm, hovering can be achieved even if the motor loses power when the vehicle door is opened and closed, and the stability of the hovering function of the vehicle door is further improved due to the arrangement of the damper assembly.

The invention discloses a kirschner wire puncture auxiliary positioning device for the orthopedics department, relates to the technical field of puncture positioning devices, and solves the problems that most of existing auxiliary positioning devices are not integrated with wiping and cleaning mechanisms for blood, blood on the skin around puncture positions needs to be frequently wiped manually,and the existing auxiliary positioning devices are tedious, strenuous and inconvenient to operate. The kirschner wire puncture auxiliary positioning device for the orthopedics department comprises a transmission case, the transmission case comprises a handle rod and a crank, the whole transmission case is of a rectangular structure, the L-shaped handle rod is supported and welded to the top end ofthe transmission case, and the crank is rotationally installed on the front side wall of the transmission case; and a T-shaped frame is integrally formed by jointly welding a transverse support mainbody plate and a vertical support shaft rod, wherein two sliding grooves are symmetrically formed in the transverse support main body plate in a penetrating mode. Sponge can rotate along with the T-shaped frame and a gear ring to sweep, wipe and clean blood flowing out of puncture positions, the trouble of frequently wiping the blood manually is omitted, the use and operation steps of the device are simplified, and time and labor are saved.

The invention provides a two-phase inner cam roller transmission type internal combustion engine relating to the field of gas power and belonging to a multi-cylinder internal combustion engine. The invention provides a novel internal combustion engine; eight air cylinders are symmetrically and uniformly distributed on the circumference of outward-convex inner two-phase cams, so that the resultant force born by the outward-convex inner two-phase cams is zero; an air cylinder piston directly acts on the outward-convex inner two-phase cams through push rods; and the power is transmitted to an output shaft in key joint with a center wheel by the outward-convex inner two-phase cams through two-phase inner cam type roller oscillating teeth. With the adoption of the internal combustion engine, a connecting rod and a crank in the conventional internal combustion engine can be eliminated; and a transmission mechanism of the outward-convex inner two-phase cams has the advantages of no eccentric mass, inertia force and self-balance working load. The rotation speed of the output shaft is determined by a transmission ratio of oscillating tooth transmission; if an oscillating tooth rack is fixedly arranged, the center wheel is output at a low speed and a large torque; the internal combustion engine can be widely used for the fields of engineering and military in need of high power, such as an engineering machine, an armored car and the like. The internal combustion engine has the advantages of simple and compact structure, small axial size, self-balance stress and stable operation.

The invention discloses an outer convex cam roller transmission internal combustion engine with any inner tooth difference, relates to the field of gas power and belongs to a multi-cylinder engine. The invention provides a novel internal combustion engine; eight cylinders are annularly and symmetrically distributed at the periphery of an outer convex multiphase inner cam evenly, so that the force of the outer convex multiphase inner cam is zero; pistons of the cylinders directly act on the outer convex multiphase inner cam by push rods; and power is transmitted to an output shaft which is connected with a center wheel in a key way by the outer convex multiphase inner cam through cam roller oscillating teeth with any inner tooth-difference. The internal combustion engine omits connecting rods and crankshafts of the traditional internal combustion engine; and an outer convex multiphase inner cam roller transmission mechanism does not have eccentric mass and has the advantages of inertia force and working load self-balancing. The rotating speed of the output shaft depends on the transmission ratio of oscillating tooth transmission; if an oscillating tooth carrier is fixed, the center wheel is output in large torque and at the lower speed; and the outer convex cam roller transmission internal combustion engine with any inner tooth difference can be widely used for the fields of engineering and military in need of the high power, such as engineering machinery, armored cars and the like. The internal combustion engine has the advantages of simplicity and compactness in structure, small axial dimension, self-balancing in stress and stability in operation.

The invention discloses a power-driven rake gearbox, which comprises a housing, and the inside of the housing is equipped with input shafts and transmission shafts arranged in parallel and horizontally, and the left ends of the input shafts and transmission shafts are respectively connected with active driving shafts engaged with each other. Gear and driven gear, the right end of the input shaft is connected with a driving bevel gear, the top of the housing is installed with a vertical bevel gear shaft, and the bevel gear at the bottom end of the bevel gear shaft is engaged with the driving bevel gear , the right end of the transmission shaft is connected with a driven bevel gear, and an output shaft arranged horizontally and perpendicular to the input shaft is installed in the side wall of the housing, and one end of the output shaft inside the housing is connected with an arc gear, and the arc gear is engaged with the driven bevel gear on the transmission shaft. The invention has stable and reliable transmission, low vibration and noise, compact internal structure, small overall size, spline connection, prolongs the service life of the equipment, and reduces maintenance costs.

The invention belongs to the technical field of speed reducers, and particularly relates to a speed reducer and a vertical circulation garage provided with the speed reducer. The speed reducer comprises an input shaft and a planetary speed reduction assembly. The planetary speed reduction assembly comprises multiple stages of planetary assemblies. A bevel gear speed reduction assembly is arrangedbetween the first-stage planetary assembly and the last-stage planetary assembly, so that an included angle of 90 degrees is formed between input power and output power. The power transmission direction is changed through a bevel gear speed reduction wheel train, the included angle of 90 degrees is formed between the power input shaft and an output shaft, an electromotor becomes to be vertically mounted, and the transverse mounting space of a whole mechanism is reduced.

The invention relates to the technical field of electric hoist hoisting systems, and discloses a pressurizing anti-skid system for an electric hoist to hoist a long steel rail, the pressurizing anti-skid system comprises a double-hook control system, an anomaly detection system and a horizontal monitoring system, the electric hoist adopts a speed reducer double-output scheme, and a right end output shaft of a speed reducer is connected with a main winding drum; the purpose of double-lifting-point lifting is achieved by lengthening the low-speed shaft, so that the high-speed shaft only bears the length requirement of the winding drum required by the lifting height and does not bear the responsibility of the double-lifting-point distance, and the lifting efficiency is improved. The abnormity detection system comprises a motor fault detection system, a speed reducer fault detection system, a brake fault detection system, a winding drum device fault detection system and a steel wire rope fault detection system, the single-chip microcomputer compares processed data with preset numerical values in the system, and therefore real-time monitoring is achieved; the effect of ensuring safe operation of the electric hoist is achieved.

The invention discloses sampling equipment and a sampling method for wine brewing wastewater treatment, and relates to the technical field of wastewater sampling. The sampling equipment comprises a wastewater circulating pipe and a box body, and further comprises an impeller, a rotating shaft II and a moving pipe. The lower surface of the impeller is fixedly connected with a rotating shaft I, and the lower end of the rotating shaft I is fixedly connected with a conical friction wheel. The upper surface of the wastewater circulating pipe is fixedly communicated with an L-shaped pipe. The surface of the rotating shaft II is fixedly connected with a spiral plate. A wastewater collecting device is arranged on the wastewater circulating pipe. A transmission mechanism I for driving a moving pipe to move is arranged on the box body, and a transmission mechanism II is arranged in the box body. The problems that most of existing sampling equipment is driven by electric power, energy is wasted, the production cost of enterprises is increased, the sampling purity is not high enough, most of the sampling equipment can only sample water at fixed depth, data is not accurate, follow-up treatment is troublesome, secondary treatment is easily caused, and the working efficiency is reduced are solved.

The invention provides a two-phase inner cam-type sleeve transmission combustion engine, and relates to the field of gas power, belonging to multi-cylinder combustion engines. The invention provides a novel combustion engine. Eight cylinders are annularly and symmetrically arranged around an externally-protruded internal two-phase inner cam so that resultant force exerted on the externally-protruded internal two-phase inner cam is zero; and a cylinder piston acts on the externally-protruded internal two-phase inner cam directly by a push rod, power is transmitted to an output shaft by transmission of a two-phase inner cam-type sleeve oscillating tooth via the externally-protruded internal two-phase inner cam, and the output shaft is connected with a central wheel key. In the combustion engine provided by the invention, a connecting rod and a crankshaft in a traditional combustion engine are omitted, and a sleeve transmission mechanism of the externally-protruded internal two-phase inner cam has the characteristics of no eccentric mass, inertia force and self-balance of working loads. Rotating speed of the output shaft depends on a transmission ratio of the oscillating tooth; and if a pin rack is fixed, a central wheel outputs low-speed-high torque, so that, the combustion engine provided by the invention can be widely applied to high-power engineering machinery, armored cars and the like. Besides, the combustion engine provided by the invention has the advantages of compact structure, small axial size, self-balance of stress and stability in rotation.

The invention relates to a rotating spindle box for conical part machining in the technical field of lathe machining. The rotating spindle box comprises a base and a rotating box body, an input shaft is arranged on the left vertical face of the base and drives a transverse shaft through a gear, a bevel gear is arranged at the right end of the transverse shaft, an output shaft is arranged on the right vertical face of the rotating box body, and a bevel gear is arranged at the left end of the output shaft. A vertical shaft is mounted in the middle of the base, the upper portion of the vertical shaft enters the rotating box body, a bevel gear at the upper end of the vertical shaft is matched with the bevel gear at the left end of the output shaft, and a bevel gear at the lower end of the vertical shaft is matched with the bevel gear at the right end of the transverse shaft; a worm and a worm gear are arranged below the base, the worm drives the worm gear to drive a worm gear shaft to rotate, the upper end of the worm gear shaft drives a turntable through gear transmission, and the turntable drives the rotating box body and the output shaft to rotate around the vertical shaft; as long as the worm is rotated, the included angle between the output shaft and the center line of a lathe spindle can be easily adjusted, conical parts are smoothly machined, and the worm and the worm gear are used, transmission is stable, and fine machining is achieved; and transmission and angle adjustment are integrated, and practicability is high.

The invention provides a wheel hub driving system which comprises a shell (10), a motor (E) and two planetary gear sets, the first planetary gear set comprises a first-stage sun gear (GS1), a first-stage planet carrier (GC1) and a first-stage gear ring (GR1), and the second planetary gear set comprises a second-stage sun gear (GS2), a second-stage planet carrier (GC2) and a second-stage gear ring(GR2). The first-stage sun gear (GS1) is connected to a rotor (ER) of the electric motor (E) in a non-rotational manner, the second-stage sun gear (GS2) is connected to the shell (10) in a non-rotational manner, the first-stage planet carrier (GC1) is connected to the second-stage ring gear (GR2) in a non-rotational manner, the first-stage ring gear (GR1) is connected to the second-stage planet carrier (GC2) in a non-rotational manner, and therefore, the power of the motor (E) can be transmitted to a rim. The wheel hub driving system is simple in structure, short in transmission chain, large in transmission ratio and high in transmission efficiency.