4results about How to "Flexible drive mode" patented technology

The invention discloses a gecko-like magnetic control reversible attachment / desorption device, which comprises a substrate layer made of a magnetic composite material, bionic cilia and adsorption discs, a plurality of bionic cilia are arranged on the surface of the substrate layer, one end of each bionic cilia is connected with the surface of the substrate layer to form an inclined included angle, and the other end of each bionic cilia is connected with one adsorption disc. The device not only has the bionic characteristic of a gecko, but also has the capability of being controlled by using an external magnetic field, is flexible and diverse in driving mode, has good deformation performance, can bear larger deformation and tension without being damaged, and has the characteristics of small size, easiness in control and production, quick response and the like. The invention further discloses a preparation method of the adsorption disc, the adsorption disc can be automatically formed based on a magnetic surrounding aggregation mechanism, the adsorption disc has the advantages of being low in cost and easy to obtain, the preparation process is simple and efficient, and batch production can be achieved.

The present invention provides a liquid crystal elastomer flexible device and its preparation method and application, the preparation method comprises the following steps: step S1, preparing a self-repairing liquid crystal elastomer by introducing one or more of dynamic covalent bonds, supramolecular effects or pre-embedded reactive groups into liquid crystal molecules; step S2, overlapping at least two self-repairing liquid crystal elastomer parts, and ultrasonic welding the overlapping parts by applying pressure at room temperature; the self-repairing liquid crystal elastomer is one or more of liquid crystal systems that respond to different stimuli such as heat, light, electricity, magnetism and humidity. The technical solution of the present invention is to design and prepare a self-repairing, weldable liquid crystal elastomer, and to achieve low-temperature, rapid and efficient construction of a complex three-dimensional structure actuator by room temperature and rapid ultrasonic welding, and ultrasonic welding can improve the efficiency of solid phase bonding, effectively maintain the orientation of liquid crystal molecules, and improve the driving stability of the liquid crystal elastomer.

The present invention is applicable to the technical field of camouflage nets, and provides a wireless driving system and method for an electrically responsive camouflage net. The wireless driving method of the present invention realizes the individual control of each camouflage base component of the electrically responsive camouflage net, and the arrangement of the camouflage base components can be adjusted according to the changes in the camouflage scene. When a camouflage base component at a certain position fails, the device at that position can be replaced quickly and independently without the need to re-prepare the entire camouflage net; it helps the electrically responsive camouflage net to get rid of its dependence on power cords and wires, and improves the portability of the equipment; by adjusting the presence and size of the current in the transmitting coil to provide the required voltage for the camouflage base components, a more flexible driving voltage and richer control modes are provided for different camouflage base components. The present invention greatly simplifies the complexity of the electrical system on the camouflage net side, and effectively reduces the signal interference problem that may occur between the camouflage base components.

The application discloses a magnetorheological and latch integrated locking device, which comprises at least one clamping arm installed on a pipe pulling machine and used for locking a joint pipe, the clamping arm comprises oppositely installed first and second arc-shaped arms which are hinged, and a second telescopic rod used for driving; and further comprises a latch mechanism and a magnetorheological mechanism, wherein the magnetorheological mechanism comprises a magnetorheological liquid bag installed close to an inner side wall and an excitation coil used for providing a strong magnetic field. The magnetorheological flexible and close locking and the latch mechanical clamping locking structure are integrated, and the two structures are in cooperation, so that the joint pipe is effectively prevented from slipping, moving and accidentally falling during the pulling process, the locking reliability is greatly improved, and the operation requirement of the pipe pulling machine for large load pulling is met.