30results about How to "Optimized gear ratio" patented technology

The invention relates to a rapid clamping system (50), comprising a clamping housing (12), with a piston (18) acted on from one side by springs (15) and which may be pressurised from the other side, with an actuator (60) arranged on the piston (18) to follow the piston movement, with at least one clamping bolt (32) arranged to be displaced perpendicular to the piston axis (28), in a working coupling acting in both directions of displacement with the actuator (60) by means of an inclined guide (52), whereby, with the springs (16) extended, the clamping bolt (32) takes up a locking position for locking a clamping pin (14) which may be introduced in the clamping housing (12) and which adopts an unlocking position for removal of the clamping pin (14) on corresponding pressurization of the piston (18). The invention is characterized in that the inclined guide (52) has an irregular guide contour (54) with varying angles of inclination (α, β, γ, δ) relative to the piston axis (28) to achieve varying translation ratios.

The invention discloses a cycloid planetary transmission gear based on line-surface conjugation, and relates to a cycloid planetary transmission gear which comprises a cycloid pin wheel planetary transmission meshed pair. A smooth curve line inverted L (2) is selected on a gear surface of a gear in the meshed pair, the main normal vector direction is consistent with the normal direction of the gear surface, and the curve line inverted L (2) and the gear surface of another gear in the meshed pair form line-surface conjugation mesh; the gear surface of the gear is a tubular meshed surface which is a sphere family enveloping surface sigma (3) of which the sphere center moves along an equidistant line inverted L (3); the equidistant line inverted L (3) is a smooth curve line which has a distance of r from the main normal vector direction; the spherical radius of spheres in the sphere family is the distance r between the equidistant line inverted L (3) and the smooth curve inverted L (2), and the r is less than the minimum curvature radius of the meshed section of the original gear surface. According to the invention, through changing the cycloid planetary transmission into the line-surface conjugation meshed pair, the meshed process is in the mode of point contact, the transmission ratio is great, the rigidity is good, the structure is compact, the transmission accuracy is high, the mesh can be approximately to pure rolling, the sliding ratio can be reduced greatly, thus the efficiency is improved greatly, the service life is improved, the manufacturing is simple, and the accuracy is high.

The invention relates to a windscreen installation driving device, for making an output shaft (10) move, comprising a drive shaft (14) driven by a motor (12) and a linear motion element (16) integrated with the drive shaft (14) in a torque-proof manner, wherein the linear motion element (16) is connected with the output shaft (10) by a connecting piece (18) and an oscillating arm (22) integrated with the output shaft (10) in a torque-proof manner and a cross guide device (20) is arranged to mutually connect the connecting piece (18) with the oscillating arm (22) in an articulated manner.

The invention discloses a variable-input and constant-output device adopting hydraulic and servo motor double regulation. The variable-input and constant-output device comprises a primary differential gear train, a secondary differential gear train, a hydraulic system, a servo motor, a rotating speed sensor, an ordinary gear train step transmission box and a reversing system. Hydraulic and mechanical double power flow transmission is adopted, and output power is large. In a double constant speed regulating scheme, the hydraulic system is used as a main executing system of constant-speed regulation to finish the regulation of large-range rotating speed variation caused by sudden load change, and the small-power servo motor is used as an auxiliary regulation executing system of constant-speed output to rapidly regulate small-range rotating speed fluctuation. In a single constant-speed regulating scheme, the small-power servo motor is used as an executing system of constant-speed regulation to rapidly regulate small-range fluctuating rotating speed. The three functions of constant speed output, stepless transmission and step transmission are creatively combined by the device to meet the requirements of different organizations and different work condition environments on a transmission device.

The invention discloses a parallel double-input-shaft transmission system and a gear-shifting control method thereof. The system comprises a transmission input shaft I, a transmission input shaft II, a transmission output shaft, a first-gear gear set, a second-gear gear set, a third-gear gear set, a fourth-gear gear set, a joint sleeve I and a joint sleeve II. By means of the parallel double-input-shaft transmission system, three-gear switching can be achieved. According to the system, transmission space can be effectively saved, the layout is reasonable, gear shifting can be achieved under the condition that power is not stopped, gear shifting is stable and smooth, the structure is compact, and manufacturing, machining and assembling are facilitated; one-to-one meshing is adopted in all gear-shifting gear sets, shared gears are avoided, the transmission ratio is optimized, and the bearing capacity of the gears is reasonably used; by means of the gear-shifting control method, generated of power needed for maintaining travelling in the gear-shifting process can be achieved; electric energy losses are reduced, and the runtime of a vehicle is prolonged.

The invention discloses a variable valve timing device. A driven gear is fixed at one end of a camshaft; an upper chain wheel is arranged on one side of the camshaft; the upper chain wheel and a driving gear are fixed to a connecting shaft; the connecting shaft is located on a fixing bracket depending on a bearing, and rotates around the axis of the camshaft; a through hole is drilled in the axisof the connecting shaft; an arm consists of a big end, a small end and screws; the big end of the arm consists of a cylinder and a long block extending in the radial direction of the cylinder; two gears different in reference diameters are fixed to a middle shaft; a section of narrow neck is formed in the middle shaft; two semicircular concave surfaces of the big end and the small end of the arm are clamped in the narrow neck; the big end can be connected with the small end through the screws; and two middle shaft gears are correctly engaged with the driving gear and the driven gear correspondingly. A cylinder of a driving arm controlled by servo motors rotates around the axis of the camshaft, and the position of the middle shaft is changed, so that the phase relation between an input gearand an output gear is changed, and valve timing is changed. By additionally adopting a servo motor, an arm, a middle shaft, middle shaft gears, a driven gear and a transmission gear, the phase of a second shaft rotating around the axis of the camshaft can be controlled.

The invention discloses a cleaning device of a controller for intelligent equipment and a cleaning method thereof. The cleaning device comprises a rack, two side plates are symmetrically and fixedly connected to the top end of the rack, a first transverse mounting hole is formed in one side of the rack, a driving shaft is connected into one of the first mounting holes in a penetrating mode, the outer side of the driving shaft is fixedly sleeved with a rotating cylinder, the outer side of the driving shaft is fixedly sleeved with a driving gear, one side of the rack is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with one end of the driving shaft, a transmission mechanism is arranged on one side of the driving gear, the transmission mechanism comprises a driving gear, a driven gear and an auxiliary gear, and a cleaning mechanism is arranged at the top end of the rack. The cleaning device has the beneficial effects that through the design of the cleaning mechanism and the mode of cleaning the controller through high-pressure gas, dust on the surface of the controller can be well cleaned, and the controller is not prone to being damaged.

The invention discloses a planet gear stepless speed regulation coupler. The planet gear stepless speed regulation coupler comprises a main motor, a load and a stepless speed regulation device connected between the main motor and the load, wherein the stepless speed regulation device comprises an input shaft, a planet gear box and an output shaft, the input shaft, the planet gear box and the output shaft are sequentially arranged from the main motor to the load, the planet gear box comprises a gear set and a planet carrier, the gear set is connected to the input shaft and the output shaft, theouter side of the gear set is provided with the planet carrier, the planet carrier wraps the gear set, an auxiliary motor is fixedly arranged on the outer side of the planet carrier, and a frequencyconverter is connected to the auxiliary motor. The invention further discloses a working method for the planet gear stepless speed regulation coupler. The working method utilizes the planet gear mechanism to split the input and output ends, the speed regulation of the load is realized through different states and different rotating speed of the auxiliary motor, on one hand, the power requirement and the occupied space are reduced, the rotating speed of the load is high, the damage is not easy, on the other hand, addition and subtraction operation can be used, the speed regulation range is enlarged, and the flexibility and the practicability of the device are improved.