6results about How to "No mechanical damage" patented technology

The invention discloses a detachable traceless silicone rubber creepage-increasing umbrella skirt and processing equipment and a processing technology thereof, and belongs to the technical field of electric insulation accessory processing, the detachable traceless silicone rubber creepage-increasing umbrella skirt specifically comprises an umbrella skirt body, a mounting hole matched with an insulation plate is formed in the middle of the umbrella skirt body, and an interlocking opening communicated with the mounting hole is formed in the umbrella skirt body in the radial direction of the umbrella skirt body; the interlocking opening can realize autonomous closing and locking, and the closed umbrella skirt body forms a complete closed-loop structure; according to the invention, through the arrangement of the interlocking opening, the umbrella skirt body is directly sleeved into the insulating plate and then the interlocking part is buckled during installation, the umbrella skirt body is separated by hands during disassembly, tools are not needed, adhesive residues are avoided, mechanical damage is avoided, detachable traceless installation is truly realized, the insulating plate body is not damaged, and the later maintenance and replacement efficiency is greatly improved.

The utility model provides an auxiliary oiling device of a drawing machine, which belongs to the field of textile production and comprises a support, a limiting mechanism used for adjusting the oiling angle and position is arranged on the side wall of the support, and an oiling assembly used for oiling drawn fibers is arranged on the limiting mechanism. The oiling assembly is provided with an oil conveying assembly used for conveying lubricating oil to the oiling assembly. According to the oil feeding assembly, when the oil feeding assembly is used, a V-shaped plate is fixedly connected with the telescopic inner pipe through welding, the bottom of the V-shaped plate is in bolted connection with a fixing plate through three fixing bolts, a stable structure is formed, the installation angle of oil absorption felt is guaranteed, disassembly and maintenance are convenient, and the oil absorption felt is of a porous fiber structure and can absorb a large amount of lubricating oil and slowly release the lubricating oil; meanwhile, the oil absorption felt is soft in texture, and mechanical damage cannot be generated when the oil absorption felt makes contact with silk threads.

The application discloses a kind of storage devices for producing burst beads, and relates to the technical field of burst bead production equipment;The device includes a processing box with a box door, a detachable storage box is provided in the processing box;A feed pipe is fixed to the top of the processing box, a first distribution pipe and a second distribution pipe are connected to the sidewall of the feed pipe;A camera is provided on the inner bottom wall of the feed pipe, a first air pump is provided in the processing box, and the air outlet of the first air pump is connected to two groups of air blowing pipes facing the two distribution pipes, respectively, for blowing burst beads into the corresponding distribution pipe according to the particle size identified by the camera;A shaping wheel with a shaping groove is rotatably arranged in the distribution pipe, the shaping wheel is provided with an air storage cavity and is connected to a first air blowing pipe inclined to the inner wall of the pipe;The application integrates grading and sorting, roller pressing, multi-stage drying and storage into one, effectively solves the problems of incomplete dehumidification and insufficient roundness of burst bead accumulation, and realizes step-by-step reuse of air source, complete airtightness and low breakage, effectively improves the quality and production efficiency of burst bead storage.

The invention belongs to the technical field of medical stents, and particularly relates to an anti-tumor degradable ureteral stent with a bionic structure and a preparation method of the anti-tumor degradable ureteral stent. The anti-tumor degradable ureteral stent with the bionic structure comprises a single-layer tubular stent body or a multi-layer tubular stent body, the single-layer tubular stent body is made of aliphatic polyester polymers and drugs, the multi-layer tubular stent body comprises an inner tube and an outer tube which are coaxial, the inner tube is made of polyvinyl alcohol and drugs, and the outer tube is made of polyethylene glycol. And the outer pipe is made of an aliphatic polyester polymer. The anti-tumor degradable ureteral stent with the bionic structure provided by the invention has flexibility required for adapting to dynamic peristalsis of the ureter, is not easy to cause mechanical damage to urinary tract tissues, has dual functions of anti-tumor activity and surface wettability, can realize synchronous matching of a drug release rate and a material degradation rate, and has a good application prospect. Meanwhile, the mechanical anti-fatigue performance of the stent is not sacrificed.

The invention relates to the technical field of power system operation control, and discloses an AC / DC hybrid micro-grid power router power regulation and control system, which comprises a main circuit module, an acquisition module and a calculation control module. The calculation control module integrates a digital signal processing unit and a field programmable gate array unit. The digital signal processing unit calculates a DC bus transient energy elasticity index, a mechanical torque margin and an electromechanical resonance risk index, and synthesizes a positive sequence virtual impedance instruction and a negative sequence virtual impedance instruction. And the field programmable gate array unit executes high-frequency sampling and extracts frequency characteristics of the high-voltage alternating-current power transmission network, and generates a driving pulse signal according to the positive-sequence virtual impedance instruction and the negative-sequence virtual impedance instruction. And the driving pulse signal regulates and controls the port impedance characteristic of the main circuit module to the high-voltage alternating-current power transmission network. According to the invention, cooperation of power grid frequency support and equipment mechanical safety is realized.

The application relates to a negative electrode sheet and application thereof, and the negative electrode sheet comprises a negative electrode current collector, a composite active layer located on at least one side of the negative electrode current collector, a protective film located on the side of the composite active layer away from the negative electrode current collector, and a passivation layer located between the negative electrode current collector and the composite active layer; the composite active layer comprises a three-dimensional skeleton with holes and a liquid alloy filled in part of the holes of the three-dimensional skeleton; the three-dimensional skeleton has a resilience rate of greater than or equal to 80%, and an average pore size of 100-200 nm; the liquid alloy has a melting point of less than or equal to 25 DEG C; the protective film comprises zero-dimensional nanocarbon materials and lithium diffusion materials; and the initial density of the protective film is greater than or equal to 85%. The negative electrode sheet has low volume expansion, the corrosion degree of the negative electrode current collector is low, and the creep of the material can be controlled to be Coble creep controlled by grain boundary diffusion, so that the cycle performance and safety of a corresponding solid-state battery are comprehensively improved.