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61results about How to "Realize infinitely variable speed" patented technology

Six-freedom-degree spray coating robot

The invention provides a six-freedom-degree spray coating robot which comprises a base, a waist joint, a big arm joint, a small arm joint, a three-freedom-degree obliquely crossed wrist, a spray gun support, flanges, bearings, a plurality of first drive mechanisms and second drive mechanisms, wherein the waist joint is movably fixed to the base, the big arm joint is movably fixed to the waist joint, the small arm joint is movably fixed to the big arm joint, the three-freedom-degree obliquely crossed base is movably fixed to the small arm joint, the spray gun support is connected to the tail end of the three-freedom-degree obliquely crossed wrist, and the flanges and the bearings are movably connected among all the joints or between the joints and the wrist. The first drive mechanisms are used for driving the waist joint, the big arm joint and the small arm joint to work, and the second drive mechanisms are used for driving the three-freedom-degree obliquely crossed wrist to work. Each first drive mechanism comprises a first servo motor and an RV speed reducer. Each second drive mechanism comprises a second servo motor, a planetary reducer, a hollow transmission shaft and a gear pair, wherein the planetary reducer is connected with the second servo motor, the hollow transmission shaft is connected with the planetary reducer in a matched mode, and the gear pair is arranged in the three-freedom-degree obliquely crossed wrist and connected with the hollow transmission shaft.
Owner:HUAHENG WELDING

Drive control system for pure electric loader

The invention discloses a drive control system for a pure electric loader and belongs to the technical field of shoveling-transferring engineering mechanical vehicles. A traveling system is connectedto the lower side of a machine body. The machine body is provided with a hydraulic system and further provided with a hydraulic motor and a traveling motor. The hydraulic motor is connected with a hydraulic pump. The hydraulic pump supplies power to the hydraulic system. The traveling motor is connected with a traveling system through a transmission system. The transmission system comprises a fully-automatic speed changing box connected with the hydraulic motor. The output end of the fully-automatic speed changing box is connected with a transfer case. The transfer case is connected with the traveling system and supplies power to the traveling system. According to the drive control system, the traveling system is driven by the traveling motor, and the hydraulic system is driven by the hydraulic motor; compared with mechanical transmission adopted in the prior art, the traveling system is high in transmission efficiency, electrodeless speed changing can be achieved, and gear shifting isachieved easily; the power is great; the hydraulic system can provide stable and efficient powerful driving force; the drive control system is great in universality and convenient to maintain; and defects of an existing loader are overcome.
Owner:XCMG CONSTR MACHINERY

Novel energy-saving electric loader drive control system and control method

The invention discloses a novel energy-saving electric loader drive control system and control method, and belongs to the technical field of shoveling engineering machinery vehicles. A control handleis connected with a vehicle control unit (VCU); the VCU is electrically connected with a motor controller I, a motor controller II and a power battery controller BMS; the motor controller I is in control connection with a double-output-shaft walking motor, and the double-output-shaft walking motor drives front wheels and rear wheels through a front transmission shaft and a rear transmission shaft;the motor controller II is in control connection with a hydraulic pump control motor, and the hydraulic pump control motor drives a hydraulic pump to provide power for a hydraulic system of a loader;and the power battery controller BMS is in control connection with a power battery pack, and the power battery pack supplies power to the double-output-shaft walking motor and the hydraulic pump control motor. The motor is in a mode of a double-output-shaft structure, the whole machine is easy to arrange, the structure is simple and convenient, the reliability is high, the problems that an existing loader is complex in structure and control are solved, the working efficiency is high, and the good energy-saving effect is achieved.
Owner:XCMG CONSTR MACHINERY

Continuously-variable transmission for mechanical direct-drive hydraulic double-control tracked vehicle

The invention discloses a continuously-variable transmission for a mechanical direct-drive hydraulic double-control tracked vehicle. According to the continuously variable transmission, a power input portion inputs power to an advance and retreat gear deceleration portion, the advance and retreat gear deceleration portion transmits power to a differential planetary transmission stepless speed change portion through an intermediate power transmission portion, then, the differential planetary transmission stepless speed change portion outputs the power to a drive transition deceleration transmission portion, and finally the power is transmitted to a left side caterpillar band drive portion and a right side caterpillar band drive portion, wherein an advance and retreat gear control portion is used for gear switching of the advance and retreat gear deceleration portion. Double self-locking type hydraulic motors are arranged in the differential planetary transmission stepless speed change portion, so that mechanical direct drive, hydraulic stepless speed regulation and steering control are achieved. When the double self-locking type hydraulic motors are in the same working state, the tracked vehicle achieves mechanical direct drive and hydraulic stepless speed regulation drive; when the double self-locking type hydraulic motors are not in the same working state, rotating speed difference happens between left side caterpillar band output wheels and right side caterpillar band output wheels, hydraulic control steering is achieved, transmission and steering of the tracked vehicle are integrated, operation is easy and convenient to perform, and the tracked vehicle is easy to drive.
Owner:HUNAN AGRICULTURAL UNIV

Numerical control lathe for precision machining

The invention discloses a numerical control lathe for precision machining, and belongs to the field of numerical control lathes. A main motor drives a main shaft body to rotate after speed reduction through a motor belt wheel, a synchronous belt and a main shaft belt wheel, stepless speed change is achieved, heat generated by movement of the main shaft body promotes ammonium chloride powder to be heated and decomposed into hydrogen chloride gas and ammonia gas, an elastic balloon is driven to expand to extrude a flexible heat absorption pad to be bent and expands to drive a magnetic rod to be close to a magnetic plate, an elastic telescopic pipe and the magnetic plate are driven to extend out through repulsive force, and a deformation memory spring is heated to extend to drive the magnetic plate to be unfolded, so that sufficient adsorption of scrap iron is achieved, and the scrap iron is prevented from interfering with rotation of the main shaft body; and along with cooling of cooling liquid in a bent hose and decomposition and heat absorption of the ammonium chloride powder, the temperature in a main shaft box is reduced, so that the influence of too high temperature on lubrication in the main shaft box body is avoided, interference on rotation of the main shaft body is reduced, and the precision is improved.
Owner:浙江重力智能装备有限公司

Plastic bucket and plastic bucket feeding, discharging and conveying system

The invention provides a plastic bucket and a plastic bucket feeding, discharging and conveying system. The plastic bucket is characterized in that a bucket body of the plastic bucket is provided with a feed inlet, a discharge outlet and discharge doors; and the bucket body is arranged in the middle of a frame-shaped base, the upper portion of the frame-shaped base is provided with a sling matched with an aerial conveying line, the bottom of the frame-shaped base is provided with a supporting portion matched with a ground conveying line, and the first discharge door and the second discharge door which are hinged to the discharge outlet are closed through the self weight. The bottom of each of two frames of a discharge mechanism is provided with a motor, wherein the motor drives a guide rail in a lifting frame assembly to do up-down reciprocating motion through a chain wheel and a chain, and the lifting frame assembly comprises a lifting arm extending towards the middle to be out of the frame. The two lifting arms are matched with rollers on inclined opening arms of the first discharge door and the second discharge door correspondingly when ascending, so that the first discharge door and the second discharge door are lifted up. The plastic bucket not only can achieve aerial conveying, but also can operate on the ground conveying line, and the plastic bucket feeding, discharging and conveying system is flexible to use and high in conveying efficiency.
Owner:QINGDAO MESNAC ELECTROMECHANICAL ENG

Healthy sleep assisting machine

The invention relates to the technical field of healthy products, in particular to a healthy sleep assisting machine. The healthy sleep assisting machine comprises a base, a cover, and a direct current motor, fan blades and a controller which are arranged in a cavity surrounded by the base and the cover, wherein the cover is formed by stacking an upper cover and a lower cover; the upper cover and the lower cover can rotate relatively; the lower cover is fixedly connected with the base; the upper cover is provided with first adjustment air holes; the lower cover is provided with second adjustment air holes; the first adjustment air holes and the second adjustment air holes are crosswise arranged, so that the sizes of overlapping regions among the first adjustment air holes and the second adjustment air holes can be adjusted when the upper cover and the lower cover rotate relatively; the controller controls the direct current motor according to a pulse width modulation signal; the direct current motor drives the fan blades to rotate; air generated by the fan blades is blown out from ventilating openings formed in the cover. The healthy sleep assisting machine make a purely natural wind sound based on a physical principle, and the air volume can be adjusted randomly; furthermore, the direct current motor is controlled through the pulse width modulation signal, so as to realize stepless speed change and obtain various working modes; the healthy sleep assisting machine is good in sleep assisting effect and extremely high in adaptability to a human body.
Owner:深圳市太业时代实业有限公司

Gearbox of electric tricycle

The invention relates to a gearbox of an electric tricycle. Automatic infinitely variable speed of the gearbox is realized by conducting gear transmission between a motor and an output shaft and introducing an automatic transmission and the like, the electric tricycle is enabled to run safely under the conditions of load bearing, climbing and the like, and simplicity in operation and stability and reliability in performance are achieved. The gearbox is driven by the motor and comprises the output shaft and a box body, the box body comprises an upper cover and a lower cover, and the automatic transmission, a drive gear, a first intermediate gear set, a second intermediate gear set and a driven gear are arranged in the box body. The automatic transmission and the motor are coaxially connected through a spline, and a transmission gear is fixed onto the automatic transmission. The drive gear and the motor are coaxially connected through a spline and positioned above the automatic transmission. The first intermediate gear set comprises a limiting spline, an upper gear, a middle gear and a lower gear, and the upper gear, the middle gear and the lower gear are concentric and coaxial and fixedly sleeve the limiting spline. The second intermediate gear set comprises a rotating shaft, a first intermediate gear and a second intermediate gear, and the first intermediate gear and the second intermediate gear are concentric and coaxial and fixedly sleeve the rotating shaft.
Owner:厦门跃众机电科技有限公司

Stepless speed change automatic feeding device for centerless grinder

InactiveCN106272043ASolve human efficiency problemsAvoid demagnetizationGrinding feedersEngineeringControl theory
The invention discloses a stepless speed change automatic feeding device for a centerless grinder, which comprises a servo motor, an eccentric rotating wheel, a connecting rod, a linear guide rail, a material returning head and a base, wherein the servo motor is arranged on the base; the eccentric rotating wheel is connected with an output shaft of the servo motor; and one end of the connecting rod is connected with an eccentric hole of the eccentric rotating wheel through a bolt for the eccentric hole, and the other end of the connecting rod is arranged on the linear guide rail and is connected with the material returning head. The eccentric rotating wheel and the output shaft of the servo motor are in fastening connection through a bolt and a key, and the eccentric distance of the eccentric hole of the eccentric rotating wheel is determined according to the required material returning stroke. The stepless speed change automatic feeding device for the centerless grinder has the advantages that the servo motor is used for driving the rotating wheel and the connecting rod to operate at constant speed without other auxiliary force, so the human efficiency problem, the demagnetization problem and the material breaking and blocking problem are solved, linear operation and feeding are reliable and balanced, and the device is stepless adjustable and does not need demagnetization.
Owner:黄石哈特贝尔精密锻造有限公司

Energy-saving kitchen waste processor and energy-saving green building

ActiveCN112343135AImprove grinding effectSpeed ​​ratio changes continuouslyDomestic plumbingDrive wheelAgricultural engineering
The invention relates to the technical field of buildings, in particular to an energy-saving kitchen waste processor and an energy-saving green building. The energy-saving kitchen waste processor comprises a shell, a grinding assembly, a speed changing assembly and a transmission assembly. A feeding port is formed in the upper end of the shell, and the grinding assembly is located in the shell andis configured to receive kitchen waste from the feeding port and performs grinding. The speed changing assembly is located below the grinding assembly and comprises a driving wheel, a driven wheel and a steel belt, wherein the driving wheel and the driven wheel are arranged in a split mode, the steel belt is wound around the driving wheel and the driven wheel, and an adjusting device is arrangedbelow the driven wheel. The speed changing assembly can automatically adjust the output rotating speed and torque according to the magnitude of grinding resistance, and the jamming phenomenon caused by insufficient output torque when the grinding resistance is increased is prevented; and meanwhile, through combination of the transmission assembly and the speed changing assembly, a grinding cylinder and a grinding disc of the grinding assembly can rotate in opposite directions and can further change the speed at the same time, stability is improved, and grinding is more sufficient.
Owner:于梦广

Electromechanical hybrid transmission stepless speed change structure and vehicle

The invention belongs to the technical field of electric vehicle transmission, and particularly relates to an electromechanical hybrid transmission stepless speed change structure and a vehicle. The invention provides an electromechanical hybrid transmission stepless speed change structure and a vehicle to solve the problems that in the prior art, stepless speed change cannot be achieved through a driving structure of a hybrid electric vehicle, and the driving experience is reduced due to the jerking feeling in the gear shifting process. The structure comprises a second driving motor and a second power input shaft. An engine power input assembly is connected with the first power input shaft through a clutch, the first power input shaft and the second power input shaft are in driving connection with an output shaft through a transmission mechanism, the transmission mechanism comprises a power collecting assembly and a gear shifting assembly, and the power collecting assembly comprises at least one stepless speed change planet row. The hybrid power driving is achieved through the engine power input assembly and the second driving motor, and meanwhile the stepless speed change is achieved through the power collection assembly comprising the continuously variable transmission planet row.
Owner:ZHEJIANG PANGOOD POWER TECH CO LTD

Stepless speed change carrier vehicle

InactiveCN105172916ARealize infinitely variable speedReasonable functional structure designVehiclesControl devicesEngineeringHinge point
The invention relates to a stepless speed change carrier vehicle. The stepless speed change carrier vehicle comprises a baseplate, a hopper, a driving system and a panel, wherein the baseplate is horizontally arranged; a through hole is formed in the middle of the back end of the baseplate; the panel and the hopper are arranged at the upper end of the baseplate in the advancing direction of the carrier vehicle in sequence; the two sides of the front end of the hopper are respectively hinged to the two sides of the front end of the baseplate; the hopper can rotate by surrounding a hinge point for unloading; the panel is of a hollow structure; the two sides of the upper part of the panel are backwards extended to be provided with two operation rods; a handle is arranged at the tail end of each operation rod; an accelerator switch is arranged in middle of the upper end of the panel; the driving system comprises an engine, a drive axle, a transmission mechanism and a driving wheel; and the transmission mechanism comprises an engine belt wheel, a transmission belt and a drive axle belt wheel. The stepless speed change carrier vehicle has the following advantages: the control over the movement direction of the carrier vehicle is realized through arranging an advancement and retreat control system; and the adjustment of the operation speed of the carrier vehicle is realized through arranging the drive axle.
Owner:NANTONG ANT MACHINERY
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