5results about How to "Achieve shift" patented technology

The invention belongs to the technical field of offshore wind power foundation engineering tests, and discloses a multifunctional indoor piling test device for offshore wind power steel pipe piles, which realizes indoor simulation and contrast tests of various steel pipe pile sinking modes by arranging a static pressure pile sinking device, an excitation pile sinking device and a power piling device on the same test platform. The systematicness and comparability of the test are improved; through structural cooperation of the support sliding rail and the equipment sliding rail, overall displacement of a test area is achieved, and resetting of soil body conditions and repeated testing are facilitated; a displacement sensor, a pressure sensor and an acceleration sensor are integrated in a pile cap, the displacement change, the stress state and the dynamic response in the pile sinking process of the steel pipe pile are synchronously monitored, and a reliable data basis is provided for pile sinking mechanism analysis and key parameter research; through the synergistic effect of the servo control system and the information acquisition system, controllable loading and state dynamic correction in the pile sinking process are achieved, and the stability and controllability of the test process and the reliability of the result are enhanced.

The invention discloses injectable photocuring hydrogel for bone tissue repair and a preparation method and application thereof.The method comprises the steps that at the room temperature, SA, HA, AAm, MBA, Hmpp and Acc-NHS are added into deionized water to be dissolved, and a precursor solution is obtained; under the condition of high-speed mechanical stirring, dropwise adding a CaCl2 aqueous solution into the precursor solution, and continuously stirring, so that a sodium alginate chain segment and calcium ions are subjected to ionic cross-linking, and injectable ionic cross-linking hydrogel with the shear thinning characteristic is obtained; and adding HAp into the injectable ionic crosslinking hydrogel under the condition of keeping high-speed mechanical stirring, and continuously stirring to obtain the injectable photocuring hydrogel with the bone repair function. The hydrogel disclosed by the invention has excellent injectable performance, controllable light curing conversion capability, relatively high mechanical strength, wet interface adhesion performance and bone repair potential, and is expected to be used as a minimally invasive implantable medical device for repairing bone tissue injury.

The utility model discloses an auxiliary jig for EVA rock climbing shoe heel processing, and relates to the field of EVA rock climbing shoe heel processing. The device comprises the machining device and the auxiliary jig, the machining device comprises the base, the first grinding wheel groove and the grinding wheel, the wedge-shaped guide plate and the second grinding wheel groove are designed to be matched with each other, it is ensured that the heelpiece can be stably placed on the jig, accurate slope grinding can be conveniently carried out, and the machining efficiency is improved. Meanwhile, normal operation and stability of the grinding wheel in the grinding process are guaranteed, an operator can adjust the position and angle of the heelpiece conveniently, the stability and bearing capacity of the jig base are improved through the sliding rod, it is guaranteed that the heelpiece cannot shake or shift in the grinding process, and the jig base and the mounting plate are combined, so that the grinding efficiency is improved. The heelpiece can be firmly fixed on the jig, fine grinding is facilitated, clamping and fixing of the heelpiece are achieved, and it is guaranteed that the heelpiece cannot move or shake in the grinding process.

The utility model relates to a mechanical hand for injection moulding. Including frame, the rotary drive device that drives frame to make rotary motion is installed to the top of frame, and the swing clamping device is installed to the front of frame and its piston rod lower extreme, swing clamping device includes adapter block, the base plate is installed to the bottom of adapter block, the lug plate is equipped with in the bottom of base plate and is hinged and installed with the hoist plate through the pivot in the lug plate, the support plate is installed to the bottom front portion of hoist plate, the clamping cylinder of double -end cylinder form is installed to the front portion of support plate, the end of two groups piston rods of clamping cylinder is installed with the clamping jaw, still includes swing arm cylinder, and the hinge connection between its cylinder and base plate, the lower end of piston rod is hinged and connected with the lower part of hoist plate through connecting shaft, still includes the limiting sensing assembly that the swing angle of hoist plate is defined, the utility model provides a mechanical hand for injection moulding, reduces the requirement to action space, and injection moulding machine equipment can be placed more densely like this.

The application discloses a nerve block analgesia system and a control method, wherein the system comprises: a current excitation and monitoring device, which comprises a positive electrode interface and at least four negative electrode interfaces; a catheter tip connected with the positive electrode interface of the current excitation and monitoring device; at least four body surface electrodes connected with the at least four negative electrode interfaces of the current excitation and monitoring device; and the current excitation and monitoring device outputs a current signal with a set size through the positive electrode interface in a monitoring mode, monitors the resistance values of each loop between the positive electrode interface and the at least four negative electrode interfaces, and determines whether the catheter tip is displaced and the displacement direction according to the comparison result of the real-time resistance value of each loop and the corresponding initial resistance value. The application can be used in the whole process of analgesia, including initial positioning, catheter tip displacement monitoring in the indwelling stage and drug position offset correction during displacement.