4results about How to "Increase movement rate" patented technology

A kinematics solving method of a cantilever type crushing device, comprising: establishing a link coordinate system of a three-link robot and a homogeneous transformation matrix of an end effector according to obtained DH parameters, and obtaining robot conversion equation sets according to link lengths of a boom, a stick and the end effector and motion pairs of each part; reading current driving space coordinates from displacement sensors of hydraulic cylinders; calculating current pose space coordinates by using the robot conversion equation sets, the link constraint equation sets and the current driving space coordinates; obtaining target pose space coordinates generated after the crushing device is moved to a target working position on the basis of the current pose space coordinates; and solving target driving space coordinates by using the robot conversion equation sets, the link constraint equation sets, the current and target pose space coordinates. The scheme can improve the control precision and motion rate of the cantilever type crushing device, and make the cantilever type crushing device motion more flexible.

The utility model provides a hydraulic oil cylinder device and a hydraulic driving system. The hydraulic oil cylinder device comprises a device body, a first piston assembly and a second piston assembly. The device main body comprises a first end cover piece, a first cylinder barrel, a middle end cover piece, a second cylinder barrel and a second end cover piece, the first end cover piece is provided with a first oil port and a first oil cavity which are communicated with each other, and the first end cover piece is provided with a convex ring part; the first cylinder barrel is provided with a first piston cavity communicated with the first oil cavity, and the convex ring part is located in the first piston cavity and connected with the first cylinder barrel; the first piston assembly is arranged in the first piston cavity and the first sliding through groove in a penetrating mode and connected with the first cylinder barrel and the middle end cover piece in a sliding mode. The first piston assembly is used for abutting against the convex ring part when sliding to one end of the first piston cavity; the second piston assembly is in sliding connection with the second cylinder barrel and the second end cover piece, and the second piston assembly further abuts against the first piston assembly. The hydraulic oil cylinder device is high in working efficiency.

The rice polishing machine comprises a bottom plate, a processing box is arranged at the top of the bottom plate, a stirring and polishing mechanism is arranged in the processing box, and a circulating mechanism is arranged on the outer side of the processing box. The rice polishing device has the beneficial effects that by arranging the stirring and polishing mechanism, when the rice polishing device is used, a switch of a motor II is turned on, so that a stirring rod drives a rotating seat to rotate, and a polishing roller rotates under the action of friction force of rice and is matched with an arc-shaped block, so that the rice can be polished; meanwhile, the vertical plate and the rotating plate rotate with the vertical center line of the stirring rod as the circle center, the stirring blades rotate under the resistance effect of rice, and then the rice can be stirred, so that the polished position is not prone to blockage, the situation of broken rice is reduced, and the rice polishing quality is improved; and therefore, the rice is polished more uniformly.

The utility model discloses a traditional Chinese medicinal material active ingredient extraction device relates to traditional Chinese medicinal material extraction technical field, including broken grinder frame, broken grinding motor box, vibration frame, component extraction frame and stirring motor box, start stirring motor, heating element, temperature sensor and solenoid valve drive part, the output shaft of stirring motor drives stirring driving axle high -speed rotation through the shaft coupling, the component of first chain sprocket drive part is same with second chain sprocket drive part, the power of stirring driving axle is synchronous with stirring driven axle, and the ball bearing of driven axle is the friction resistance when reducing stirring driven axle rotation, ensures rotation steady, and the outer wall surface upside and downside of stirring driving axle and stirring driven axle are installed stirring piece, and stirring piece rotates with driven axle, simultaneously, the operator injects solvent mixture through the liquid injection pipe welding of component extraction frame left end upper side through -penetrating place, makes to medicine and solvent mixture and turns over, breaks partial concentration difference.