45results about How to "Change the degree of bending" patented technology

The invention belongs to the technical field of mechanical finger driving, and particularly relates to a simulated mechanical finger pulled on the basis of a steel wire. The simulated mechanical finger comprises four mechanical finger supports, the steel wire, reset springs, tension springs and the like. The mechanical finger supports are connected together through cylindrical pins to form the mechanical finger. The original vertical state of the mechanical finger is guaranteed in the manner that the reset springs are arranged on the back faces of the bent sides of the supports. The parts, on the bent sides of the supports, of the steel wire and the supports are connected through the tension springs. Due to the fact that the elastic coefficients of the designed three reset springs are different, the bending resistances of knuckles of the mechanical finger are different, and the mechanical finger can show the bending degree the same as the bending degree of the finger of a person. In addition, each support is driven in a manner that the steel wire is pulled by the corresponding tension spring, and by means of the tension springs, it can be guaranteed that when the mechanical finger grabs an object, the bending degree of the knuckles of the mechanical finger can be changed according to the shape of the object. Each mechanical finger is driven through single power, and the beneficial effects that the object grabbing adaptability is high, and the structure is simple are achieved.

An optical device may include a flat optical member; a reinforcement member which is bonded to a back side of the optical member and demonstrates stronger rigidity in a center area thereof than two side portions thereof when curved in a thickness direction in a first direction within an in-plane direction; and a driving device which switches a shape of the optical member together with the reinforcement member between a flat state and a curved state in which the optical member is curved in the first direction.

The invention belongs to the technical field of mechanical arms and particularly relates to a multi-degree-of-freedom mechanical arm based on sequential control. The mechanical arm comprises three auxiliary mechanical fingers, a main mechanical finger, a palm plate, a motor driving mechanism, an arm sleeve and the like. The first auxiliary mechanical finger, the second auxiliary mechanical finger, the third auxiliary mechanical finger and the main mechanical finger are installed on the palm plate. The three auxiliary mechanical fingers have three bending degrees of freedom, the first auxiliary mechanical finger has one swing degree of freedom, the main mechanical finger has one bending degree of freedom and one swing degree of freedom, and six degrees of freedom are achieved in total. The motor driving mechanism with single-power sequential control is used for driving, so that the structure of the mechanical arm is greatly simplified, and high practicability is achieved.

The invention belongs to the technical field of mechanical finger driving, and particularly relates to a simulated mechanical finger pulled on the basis of a steel wire. The simulated mechanical finger comprises four mechanical finger supports, the steel wire, reset springs, tension springs and the like. The mechanical finger supports are connected together through cylindrical pins to form the mechanical finger. The original vertical state of the mechanical finger is guaranteed in the manner that the reset springs are arranged on the back faces of the bent sides of the supports. The parts, on the bent sides of the supports, of the steel wire and the supports are connected through the tension springs. Due to the fact that the elastic coefficients of the designed three reset springs are different, the bending resistances of knuckles of the mechanical finger are different, and the mechanical finger can show the bending degree the same as the bending degree of the finger of a person. In addition, each support is driven in a manner that the steel wire is pulled by the corresponding tension spring, and by means of the tension springs, it can be guaranteed that when the mechanical finger grabs an object, the bending degree of the knuckles of the mechanical finger can be changed according to the shape of the object. Each mechanical finger is driven through single power, and the beneficial effects that the object grabbing adaptability is high, and the structure is simple are achieved.

The invention relates to a machine for producing knitted fabric, comprising a plurality of stitch-forming elements and at least one stitch-forming location (15, 15.1, 15.2, 15.3), with which is associated a spinning device (12, 12.1, 12.2, 12.3) which produces a fiber composite (FB) or a yarn from a roving (VG) and supplies the same to the stitch-forming elements (14), wherein each spinning device (12, 12.1, 12.2, 12.3) is provided with separate drive devices (30, 31, 30.1, 31.1, 30.2, 31.2, 30.3, 31.3) which can be controlled in such a manner that a fiber composite (FB) or a yarn of variable thickness can be produced by each spinning device (12, 12.1, 12.2, 12.3) from the roving (VG) and be fed to the stitch-forming elements (14).