7results about How to "Smooth expansion" patented technology

The invention discloses a full-automatic wave-proof sleeve threading device for shielding type cable processing, belongs to the technical field of shielding type cable production, and is used for threading a wire into a wave-proof sleeve. Comprising a base, a driving motor, a driving support, a transmission shaft, a driving wheel, a driven wheel, a rolling bearing, an air compressor, an air pipe, a wire feeding pipe, a wire feeding support, a taper pipe, a guide end and a wave-proof sleeve hanging frame, a transmission shaft connected with the driving wheel is connected with a rotating shaft of the driving motor, the air compressor is communicated with the wire feeding pipe through an air pipe, the large-diameter end of the taper pipe is connected with the wire feeding pipe, the small-diameter end of the taper pipe extends outwards to form a straight pipe, and one end of a wire penetrates through a gap between the driving wheel and the driven wheel, then sequentially penetrates through the wire feeding pipe, the taper pipe and the straight pipe and then is connected with the guiding end. According to the invention, the threading function of threading the wire into the wave-proof sleeve in a full-automatic manner is realized, and the threading efficiency is remarkably improved.

The invention provides a preparation method and application of a high-cost-performance alloy, and belongs to the technical field of alloy manufacturing. The alloy raw materials comprise iron powder, cobalt powder, nickel powder, titanium carbide powder and tungsten carbide powder, the component proportion of the alloy raw materials is optimized, a refined preparation process is adopted, and the treatment steps of multi-stage ball milling, spray drying, vacuum sintering and annealing and optimized parameters are set in the preparation process; and the uniformity and compactness of the alloy are ensured. In the field of manufacturing of iron-containing low-grade mowing blades and woodworking blades, the alloy performance requirement is met, meanwhile, the cost is effectively reduced, the cost performance of products is improved through the cost advantage, and enterprises can more smoothly expand the market.

The application relates to the technical field of pipeline repair, in particular to a trenchless pipeline lining repair system which comprises a pipeline to be repaired; a lining hose assembly which comprises a protective film and a lining hose, the protective film is arranged between the lining hose and the pipeline to be repaired, and the lining hose is made of a glass fiber hose impregnated with a light-cured resin adhesive; an air pressure supply unit which is used for inflating the lining hose to make the lining hose expand; and a UV curing lamp group which is arranged in the lining hose, can move along the axial direction of the lining hose and is used for curing the lining hose assembly. The application has the effect of improving the convenience of pipeline repair.

This invention discloses an optimized cell layout structure for a trench MOSFET and its fabrication method. The optimized cell layout structure of the trench MOSFET includes an epitaxial layer, within which multiple trench structures extending in the thickness direction and of different depths are formed. The trench walls are provided with a gate oxide layer and filled with a polysilicon gate. A first well region and a second well region with different extension depths are formed between the trenches, and a corresponding conductivity-type doped region is formed on the surface of each well region. By constructing trench and well region structures of different depths, this invention enables the formation of channel units with different conduction characteristics inside the device, achieving current distribution and flow when the device is turned on, improving current density concentration, enhancing current distribution uniformity, and improving device reliability.

The invention discloses a unit layout optimization structure of a trench MOSFET and a preparation method thereof, the unit layout optimization structure of the trench MOSFET comprises an epitaxial layer, a plurality of trench structures which extend in the thickness direction and are different in depth are formed in the epitaxial layer, the trench wall of each trench structure is provided with a gate oxide layer and is filled with a polycrystalline silicon gate, and the gate oxide layer and the polycrystalline silicon gate are formed in the epitaxial layer. A first well region and a second well region which are different in extending depth are formed between the grooves, and corresponding conductive doped regions are formed on the surface layers of the well regions respectively. According to the invention, channel units with different conduction characteristics are formed in the device by constructing grooves and well region structures with different depths, so that current distribution flow is realized when the device is conducted, the current density concentration phenomenon is improved, and the current distribution uniformity and the device reliability are improved.

The invention relates to the technical field of medical instruments, in particular to a variable blood flow type aorta balloon catheter which comprises a catheter base. Removing the stress pipe; the outer catheter is provided with a guide wire cavity and a filling cavity; comprising an inner tube, a balloon, a metal wire restraining unit and a plurality of developing marking rings. The catheter end is arranged at the top end, away from the outer catheter, of the balloon part; the injection pump is communicated with the second input channel; comprising an ultrasonic imaging unit for acquiring a blood vessel image and a blood flow rate and a blood oxygen acquisition unit for acquiring a human body blood oxygen parameter; the control module is used for reducing the pressure of the balloon when the blocking of the blood vessel is judged not to meet the preset standard according to the blood vessel wall expansion characteristic coefficient, or checking whether the blocking of the blood vessel meets the preset standard or not according to the blood oxygen change rate, and increasing the pressure of the balloon under the condition that the blocking of the blood vessel is checked not to meet the preset standard; and accurate adjustment of aorta blood flow is realized.

The present application relates to the field of tower type photothermal power station mirror field control system, specifically relates to a kind of tower type photothermal distributed mirror field hybrid control system based on block chain consensus mechanism, comprising: physical layer, data layer, network layer, consensus layer, contract layer, application management layer.Through the depth coupling control theory and block chain technology, the contradiction between the limited mirror power and the function demand of block chain full node is solved, the EFB is established as the sub-field agent full node, and the main and standby redundancy mechanism is designed, which guarantees the reliability of control link, realizes efficient distributed consensus and smart contract execution, the DW-PBFT consensus mechanism proposed reduces the consensus delay while improving fault tolerance through dynamic weight model, and the NTRU-SPHINCS+ hybrid quantum-resistant password architecture provides future-oriented security protection for the system.