9results about How to "Deformation fast" patented technology

The utility model discloses a cable waterproof joint that sealing ring connection is reliable, its technical scheme main points are including wiring main body, sealing cover, cap, sealing ring and nut, the wiring main body includes the convex ring, and the outer connection end and the accommodation end located respectively at the both sides of convex ring, the sealing ring cover is located the outer connection end, still include the tightening ring and multiple connecting strips that will the sealing ring be connected to the tightening ring of accommodation end outside and with the close -fitting of convex ring, multiple connecting strips all distribute around the axis of sealing ring and with the close -fitting of convex ring outer wall, solved the problem that sealing ring connection stability is poor and is easy to move or fall off of prior art.

The application relates to the technical field of wind turbine units, and particularly provides a blade deformation rapid evaluation method and system, an electronic device and a storage medium, and aims to solve the technical problems of a complex calculation process and a long time consumption of an existing method. To this end, the blade deformation rapid evaluation method comprises the following steps: acquiring a previously constructed aeroelastic model and a tip loss coefficient database; constructing a first mapping relationship based on the aeroelastic model and the tip loss coefficient database, wherein the first mapping relationship represents a linear response relationship between a blade deformation amount and aerodynamic force; constructing a second mapping relationship based on the aeroelastic model and the tip loss coefficient database, wherein the second mapping relationship represents a linear response relationship between the aerodynamic force and the blade deformation amount; and determining a blade deformation evaluation result based on the first mapping relationship and the second mapping relationship. The application can rapidly evaluate the deformation of a blade under different wind speed conditions, and effectively reduces the calculation amount.

This application relates to a folding and sewing method, a folding device, and a bag-attaching machine. The folding and sewing method uses a folding device to sew a fabric bag and includes the following steps: a tongue-pressing plate is placed on the worktable; a tongue-pressing plate driver drives the tongue-pressing plate to extend outward and places the bag on the tongue-pressing plate; a bracket driver drives a mounting bracket to move towards the tongue-pressing plate; when the tongue-pressing plate contacts an elastic body, the mounting bracket stops moving; a magnet driver drives a magnetic suction component to move towards the tongue-pressing plate; when the magnetic suction component passes through a perforated hole and is magnetically attracted to the bag and the tongue-pressing plate, the magnet driver drives the tongue-pressing plate to press against the elastic body, causing the tongue-pressing plate to be recessed into the elastic body. The folding and sewing method, folding device, and bag-attaching machine provided by this application solve the problem of high manufacturing costs caused by the need to frequently change the concave mold when changing bag styles.

The application discloses a flexible actuator based on gas-liquid phase change and a haptic feedback interactive device, comprising: a phase change material layer for feeding back normal pressure in a haptic interactive process according to liquid-gas phase change and feeding back temperature in the haptic interactive process through Joule heat; a thermoelectric material silica gel layer for actively managing heat according to Peltier effect, cooling the phase change material layer and realizing dynamic and bidirectional adjustment of normal pressure and output temperature; a composite high-efficiency heat sink layer for bottom heat dissipation to guarantee thermal stability of the actuator in high-frequency cyclic operation; the phase change material layer, the thermoelectric material silica gel layer and the composite high-efficiency heat sink layer are alternately arranged from top to bottom to form an array type pump-free thermoelectric-phase change integrated actuator; through the electric-heat-phase change integrated coupling mechanism and the ingenious multifunctional array structure design, the application solves the contradiction between load and speed, realizes decoupling output and high-fidelity playback of the normal pressure and temperature multi-modal haptic signals.

The application discloses a high-stress surrounding rock tunnel construction method based on a pre-prevention and post-resistance supporting principle, and steps are as follows: determining a small-hole-diameter excavation radius r 0, excavating a tunnel, calculating a surrounding rock loose circle radius R s and determining a length of a prestressed anchor rod or anchor cable L , drilling an anchor hole on a small-hole-diameter excavation profile, placing the prestressed anchor rod or anchor cable in the anchor hole and installing the prestressed anchor rod or anchor cable into a surrounding rock loose circle and original rock behind a design excavation profile, continuing to excavate the tunnel to the design excavation profile line, fixing the prestressed anchor rod or anchor cable on the design excavation profile by using an anchor device, and reinforcing the surrounding rock again by using a supporting measure. The prestressed anchor rod or anchor cable is advanced and anchored in the surrounding rock loose circle and original rock behind the design excavation profile, a radial prestress is provided, and a pressure arch is formed, so that the surrounding rock in a range from the design profile to the surrounding rock loose circle is in a three-dimensional stress state, the prevention capacity of the advanced support is fully exerted, and the strength of the surrounding rock caused by excavation unloading is prevented from being instantaneously weakened.

The utility model relates to the technical field of earphones, in particular to a self-adaptive springback earphone and an earphone module. The self-adaptive springback earphone comprises an earphone body, an air bag and an adjusting assembly, the air bag is connected with the earphone body, the side, away from the earphone body, of the air bag is used for being attached to the ear contour, an air bag cavity is formed in the side, close to the earphone body, of the air bag, and the adjusting assembly comprises a main exhaust groove which is formed in the side, close to the earphone body, of the air bag. The first end of the main exhaust groove is located in the air bag cavity, and the second end of the main exhaust groove communicates with the outside so that the air bag cavity can communicate with the outside. By applying the technical scheme of the invention, the air bag can realize rapid self-adaptive rebound, so that the air bag can be stably attached to the ear contour in various use scenes, and the wearing comfort and stability of the earphone are further improved.

The invention discloses a connector technology, and aims to provide a four-core beam-expanding oil-filled optical fiber connector and an assembling method thereof. According to the technical scheme, the oil-filled plug is characterized by comprising a threaded sleeve, a plug shell, a four-optical-fiber beam expanding insulator, a pressure compensator, an oil-filled plug tail clamp, a sealing assembly and a calibration gasket which is clamped between the butt joint end faces of the oil-filled plug tail clamp and the plug shell and used for adjusting the pre-compression stroke of the pressure compensator. The screw sleeve, the plug shell, the four-optical-fiber beam expanding insulator, the pressure compensator, the oil-filled plug tail clamp, the sealing assembly and the calibration gasket jointly define a completely-closed oil-filled cavity, fluorinated oil or synthetic hydrocarbon oil subjected to degassing treatment is injected into the oil-filled cavity through a valve, and the oil-filled cavity is matched with the pressure compensator to construct an active pressure compensation sealing system. The invention is suitable for the technical field of connectors.

The application discloses a resistance detection device, a resistance detection system, an electric table and an electric hanging cabinet, belongs to the field of resistance detection, has high resistance detection sensitivity, and discloses the resistance detection device, which comprises a first shell and a second shell, the second shell is floatingly installed on the first shell through a first elastic element, a circuit board is arranged on the first shell, a resistance detection switch connected with the circuit board and a rotating knob are arranged on the first shell, one end of the rotating knob is a free end abutting against the first shell, the other end of the rotating knob is a pressing end for pressing the resistance detection switch, and the free end is driven to drive the pressing end to move away from the resistance detection switch to generate a resistance signal.

The application relates to the field of forming piece correction technology, in particular to a correction jig for injection molded pieces, which comprises a first mold base provided with a first correction groove; a second mold base oppositely arranged with the first mold base, the second mold base being provided with a second correction groove, the first correction groove and the second correction groove being matched to form a closed correction space, the correction space being matched with the drawing size of the injection molded piece; and a connecting structure for fixedly connecting the first mold base and an external driving device respectively, and driving the first mold base to move towards or away from the second mold base under the driving of the driving device. The inner wall of the correction groove is designed as a continuous curved surface which is opposite to the curvature trend of the deformation part of the injection molded piece, and the bending deformation caused by cooling shrinkage is offset through mechanical compensation; the organic combination of the correction mold and the cooling mold group realizes efficient correction, rapid cooling and low-cost production of the deformation of the injection molded piece, and comprehensively improves the product yield and assembly precision.