30results about How to "Realize three degrees of freedom movement" patented technology

The invention discloses a TDOF (Three Degrees of Freedom) passive ball joint with attitude detection and applicable to a ball motor. The ball motor consists of a stator assembly, a rotor assembly, a passive ball joint and a base. The passive ball joint assembly consists of an upper turntable, a lower turntable, a spider, a hanger plate A, a hanger plate B, a support plate, a double-shaft tilt sensor, an encoder and a Z-direction shaft, wherein the support plate is connected with the upper turntable through the hanger plates A and B, the spider is respectively connected with the upper turntable and the lower turntable through four ball bearings, the double-shaft tilt sensor is installed on the support plate, and the encoder is installed at the other end of the Z-direction shaft. When the passive ball joint with attitude detection is applied to the ball motor and the ball motor with the passive ball joint is applied to shoulder joints and wrist joints of robot arms, the quantity of joints on the robot arms can be reduced, the elastic deformation of a transmission mechanism and the defect of low movement precision caused by movement dead zones can be avoided under the condition of reduced joint quantity, the structure of the robot arms can be simplified, and the effects of small size, light weight, fast response speed and the like can be achieved.

Disclosed in the invention is a radiotherapeutic device comprising a fixed bracket, a rotating bracket, a moving mechanism, an oscillating mechanism and a radioactive source. The rotating bracket in a hollow cylindrical shape is arranged at the fixed bracket in a rotatable manner. The moving mechanism is arranged at the inner wall of the rotating bracket; and the radioactive source is arranged at the moving mechanism by the oscillating mechanism. The rotating bracket is used for driving the moving mechanism to rotate relative to the fixed bracket; the moving mechanism is used for driving the oscillating mechanism and the radioactive source to make linear movement; and the oscillating mechanism is used for driving the radioactive source to make rotation. The device disclosed by the invention is capable of localizing rays emitted by the radioactive source rapidly, flexibly, and accurately, so that the radiotherapy efficiency can be improved; the radioactive source can move in a three-freedom-degree manner to realize conical-radiation-field radiotherapy, so that healthy cells around cancer cells can share the radiotherapeutic injuries and thus the body injury of the patient can be reduced.

Ths invention discloses one super thin three freedom plane motor to provide one micro work bench execution parts with high accuracy, which comprises coil parts ad permanent magnetic parts composed of three sets of drive units to realize the three freedom in plane, wherein, the two sets of drive units axis lines are parallel without overlapped; the third set of drive unit axis line is cross with front two sets with each composed of one or more coil with same drive direction unit.

A real-sensing virtual reality gliding motion simulator, which uses the roll and pitch adjustment of the rider's body, is characterized in that it includes: a support frame, an arc-shaped roll appliance, at least two support rollers, and an anti-roll torsion A device, a horizontal boarding frame, a first pitch angle sensing sensor, a second roll angle sensing sensor, a central processing device and an image display unit. It is a real-sensing virtual reality gliding simulator that uses the roll and pitch adjustment methods of the passenger's body. Shaking can also realize vertical lifting and three-degree-of-freedom movement. Since the passenger uses the whole body to manipulate, the movement effect is greater than that of hand manipulation. In addition, because it is carried out in the state of stretching the whole body, it is like flying in the sky. , strong personal experience.

The invention discloses a three-degree of freedom joint driven by electromagnetic force applied to a snake-shaped robot. The three degree of freedom joint driven by the electromagnetic force applied to the snake-shaped robot comprises electromagnet sets, permanent magnet sets, a touch sense detection ring, a pushing force spring, a spring supporting seat, a touch switch installing plate and a support. The pushing force spring is arranged inside the spring supporting seat. The electromagnet sets and the spring supporting seat are installed on the touch switch installing plate. The touch sense detection ring is arranged outside the touch switch installing plate. The permanent magnet sets are arranged on the support. The three degree of freedom joint driven by the electromagnetic force applied to the snake-shaped robot applies to single joints of the snake-shaped robot, the electromagnet sets can attract or repel the oppositely arranged permanent magnet sets when respectively loading pulse large current, and deflection motion of the joints can be achieved. When the electromagnet sets simultaneously load homodromous pulse current, extension or contraction of the joints can be achieved. The three-degree of freedom joint driven by the electromagnetic force applied to the snake-shaped robot can connect the joints in series to form the snake-shaped robot capable of imitating snakes to move in a winding, telescopic and side-directional mode, and has the advantages that structure is compact, movement is flexible, mechanical wear is small, and electric spark is not generated.

The invention relates to an automatic bagging system, in particular to an automatic bagging device for elastic bodies. Including the installation frame and the coding unit installed on the installation frame, the packaging bag opening support mechanism, the product support unit, the pushing unit and the packaging bag placement box, wherein the coding unit, the packaging bag opening support mechanism and the packaging bag placement box It is set at one end of the product support unit, and the pusher unit is set at the other end of the product support unit. The coding unit is used to spray code on the packaging bag in the packaging bag storage box; the packaging bag opening support mechanism is used to place the packaging bag in the box The inner packaging bag is opened; the pushing unit is used to push the elastic body on the product support unit into the opened packaging bag. The invention can ensure the high efficiency of bagging the projectile body, and will not cause damage to the paint layer of the projectile body during the bagging process.

The purpose of the present invention is to provide a large-stroke, rotatable three-degree-of-freedom parallel flexible micro-motion platform, which has a large stroke, a large area of ​​the loading platform, and a compact structure. The large-stroke, rotatable three-degree-of-freedom parallel flexible micro-motion platform includes a frame, a loading platform, an X-direction drive-amplification mechanism, an X-direction auxiliary mechanism, a Y-direction drive-amplification mechanism, and a Y-direction auxiliary mechanism. The first link mechanism in the Y direction and the first link mechanism in the Y direction are symmetrical about the angle bisector of the X axis and the Y axis, and the second link mechanism in the X direction and the second link mechanism in the Y direction are about the X axis and the Y axis The angle bisector is symmetrical, the first linkage mechanism in the X direction and the second linkage mechanism in the Y direction drive the loading platform to rotate around the Z axis; the second linkage mechanism in the X direction and the first linkage mechanism in the Y direction drive The loading platform rotates around the Z axis.

The invention discloses a ball type motor with a three-dimensional topology magnetic pole distribution structure The ball type motor comprises an outer rotor (1), an outer stator (2), a ball bearing (3), a base (4), an inner rotor (5) and an inner stator (6), wherein the rotor and the stator are sleeved with each other; the ball bearing (3) is installed in the inner stator (6); the inner rotor (5) is sleeved on the external part of the inner stator (6); the outer stator (2) is sleeved on the external part of the inner rotor (5); and the outer rotor (1) is sleeved on the external part of the outer stator (2). The electromagnetic force driving is adopted for the ball type motor disclosed by the invention, besides magnetic poles and coil magnetic poles are distributed along a spherical surface, and also can be distributed along the radial direction, thus the magnetic field intensity of a coil magnetic pole region is increased greatly, simultaneously the interaction force between the magnetic poles is improved, not only can the continuous rotation space with spatial three degrees of freedom of the ball motor rotor can be realized, but also the output torque, especially the tilting moment, of the ball motor is improved effectively.

The invention relates to a hydraulic system for a three-degree-of-freedom vehicle wheel clearance detecting table. The system comprises a power source hydraulic system (A), a transverse hydraulic system (B) and a longitudinal hydraulic system (C). In the transverse hydraulic system (B), a transverse rear hydraulic cylinder (10) is connected with a transverse front hydraulic cylinder (12) through a two-position four-way valve V3 (13), so that the front hydraulic cylinder and the rear hydraulic cylinder can synchronously act. The longitudinal hydraulic system (C) comprises a longitudinal hydraulic cylinder (8) and a three-position four-way valve V1 (9); an A port and a B port of the three-position four-way valve V1 (9) are respectively connected with a left chamber oil port and a right chamber oil port of the longitudinal hydraulic cylinder (8); P ports of the three-position four-way valve V1 (9) and a three-position four-way valve V2 (11) are connected with an oil outlet of a hydraulicpump (5) of the power source hydraulic system (A); and T ports of the three-position four-way valve V1 (9) and the three-position four-way valve V2 (11) are connected with an oil return pipeline of the hydraulic pump (5) of the power source hydraulic system (A). The hydraulic system provided by the invention aims at realizing three-degree-of-freedom motion of a detecting table plate through the three hydraulic cylinders and a connecting relation of the three hydraulic cylinders.