34results about How to "Response ability is strong" patented technology

A method for increasing the stability of a high-temperature superconductor magnetic suspension system comprises the following: (A) a step of field cooling, during which, a suspension body of the high-temperature superconductor magnetic suspension system is supported at a preset position through a support system, and then refrigeration equipment is started to ensure that a superconducting block enters superconducting state; (B) a step of support release, during which, the support system releases the support on the suspension body so as to ensure that the suspension body is in an idling stable state; (C) a step of loading, during which, external force is applied on the suspension body so as to ensure that the suspension body is in a stable suspension state under external force loading; and (D) a step of loading and the external force release, during which, the suspension body is in the stable suspension state again, and the state is taken as an initial state for the operation of the high-temperature superconductor magnetic suspension system. The method does not need to change the construction of the high-temperature superconductor magnetic suspension system, and ensures simple structure and operation and cost reduction; moreover, the method can obviously improve the stability of the high-temperature superconductor magnetic suspension system, and is suitable for any high-temperature superconductor magnetic suspension systems based on the high-temperature superconducting block type magnetic suspension principle.

The invention provides a four-spring structure of a surgical instrument. The four-spring structure comprises a first handle (5) and a second handle (6), and a four-spring mechanism is arranged between the two handles and comprises a guiding spring (1), a tensioning spring (2), a sliding spring (3) and a sliding block connected between the tensioning spring (2) and the sliding spring (3). The four-spring structure has the advantages that the recovery property is high, deformation is not prone to occur, stress is uniform in the stretching process, the service life is long, and the safety is high.

The invention provides an OLED folding or wrapping screen and a manufacturing process thereof. When the screen is folded, it includes an OLED display screen layer, a soft glue layer, a printing layer, a base material and a hardened layer; There is a hardened layer, a printing layer is arranged above the substrate, a soft adhesive layer is arranged above the printing layer, and an OLED display layer is arranged above the soft adhesive layer; the light transmittance of the substrate should be >88%; the surface of the substrate is hardened The purpose is to increase the scratch resistance and anti-fingerprint performance of the substrate; the purpose of the surface printing treatment of the substrate is to increase the flexibility and adhesion between the substrate and the soft glue; the beneficial effect of the present invention is: through the design of the soft glue, the The substrate does not stretch and shrink when it is bent, ensuring that there will be no delamination and crease between the protective film, TP and OLED; by reducing the size of the soft glue, the edges of the soft glue layer are prevented from sticking to dust during the deformation process.

The invention relates to a coupling device for a thermoacoustic engine and a refrigerator driven by it, comprising: a cavity; an elastic diaphragm installed in the cavity, and the elastic diaphragm divides the cavity into first chambers and the second chamber; a long tube communicated on one side wall of the cavity and communicated with the first chamber; a short tube communicated on the other side wall of the cavity and communicated with the second chamber; The other end is connected to the feedback tube of the thermoacoustic engine; the other end of the short tube is connected to the water cooler of the refrigerator; the coupling device can amplify the pressure amplitude of the pressure wave generated by the thermoacoustic engine after passing through the long tube and the cavity, Thereby, the utilization rate of the sound power of the system by the refrigerator is improved; the elastic diaphragm sandwiched in the middle of the cavity isolates the working gas in the engine and the refrigerator, so that the engine can use nitrogen and other gases as the working fluid to reduce the system frequency, and the refrigerator can use helium. Gas and other gases are used as working fluids to maintain their good refrigeration performance.

The invention discloses a flexible connecting piece, and relates to the technical field of buildings. The flexible connecting piece comprises a plurality of flexible belts and two fixing blocks, the plurality of flexible belts are arranged in two rows, the two fixing blocks are arranged side by side at intervals along the length direction of the flexible belts, the two ends of each flexible belt in one row are fixedly connected with different fixing blocks correspondingly; the ends, located on the same side, of the flexible belts located on the other row are fixedly connected with one fixing block, the two fixing blocks are used for being detachably connected with frame columns located on the two sides of an infilled wall correspondingly, and the infilled wall is contained between the tworows of flexible belts. The invention further discloses a flexible connecting structure for preventing the infilled wall from collapsing, the flexible connecting structure for preventing the infilledwall from collapsing comprises a frame, the infilled wall and the flexible connecting piece, the frame comprises the two frame columns, the two opposite surfaces of the two frame columns are detachably connected with the two fixing blocks respectively. And out-of-plane collapse of the filler wall can be prevented.

The invention relates to the technical field of brakes, in particular to a built-in multi-plate wet brake, which includes a housing and a sealing plate, the housing and the sealing plate are fixedly connected by bolts, and the housing is provided with a plurality of dynamic friction plates and a plurality of A static friction plate, and a plurality of dynamic friction plates and a plurality of static friction plates are stacked at intervals inside the housing, a brake push rod is provided on the top of the sealing plate, the brake push rod runs through the top of the sealing plate, and the bottom end of the brake push rod Fixed welding with sealing plate. The internal structure of the brake can be simplified by setting the elastic diaphragm, and the setting of the elastic diaphragm makes the return time of the friction plate shorter and the separation is more thorough. In addition, the design of the buffer structure makes the contact pressure of the friction plate gradually increase, changing the direct increase in the past. The unique braking method prevents the occurrence of tire locking, not only improves the safety of the brake, but also greatly reduces the damage of the friction plate. The structure is simple, the braking effect is better, and it is suitable for promotion.

The invention discloses a rotary pendulum protective device of an automatic air cylinder, and relates to an air cylinder. The rotary pendulum protective device of the automatic air cylinder comprises a corrugated pipe, a corrugated pipe bottom fixing mechanism, an upper portion rotary protective mechanism, a corrugated pipe lower puling plate and a corrugated pipe upper pulling plate. The lower end face of the corrugated pipe and the corrugated pipe bottom fixing mechanism are fixed at the cylinder body installation position of the automatic air cylinder, and the other end of the corrugated pipe is fixed on the upper portion rotary protective mechanism through the corrugated pipe lower pulling plate, the corrugated pipe upper pulling plate and bolts. A rolling bearing is placed between the lower portion of the upper portion rotary protective mechanism and the corrugated pipe upper pulling plate, cover nuts are placed on the top of the upper portion rotary protective mechanism, and stress pads are placed on the inner sides of the nuts. By means of the rotary pendulum protective device of the automatic air cylinder, a motion executing part of a clamp, the air cylinder body, a piston rod, a sensing detection component, devices and an electrical circuit can be effectively protected, wherein the devices and the electrical circuit are placed inside the clamp. Safe, stable, high-efficiency and smooth work of the whole system is guaranteed, the whole device is enabled to be attractive and decent, and the device can be matched with other devices in a field.

The invention discloses a preparation method of high-density fine-denier double-surface double-layer PFY (Polyester Filament Yarn) fabric. The preparation method comprises the following steps of (1) raw material selecting; (2) space-variant compositing and sizing; (3) weaving; (4) dyeing and after-finishing. The high-density fine-denier double-surface double-layer PFY fabric which is generated by the preparation method has the characteristics that the fabric density is up to 120 / cm, the fineness is only 50 denier, the finest fiber is only 0.02 DPF, the fabric is woven by adopting a double-layer exterior and interior interconnection organization, the thinnest thickness can be lower than 100 g / m<2>, the fabric is fine and smooth in weaving, abundant pattern textures, color matching and check and pattern combination can be formed, the feeling is soft and comfortable, the recoverability is strong, the air permeability, the water vapor permeability and the anti-static performance of the fabric are good, and the fabric is ideal fabric for manufacturing sports wear, jackets and suits. The comprehensive running rate of a weaving machine is up to 95%, the cloth surface is smooth, and the product yield is ensured.

The invention discloses a special overhaul special belt for buried steel pipeline polyethylene anti-corrosion layer elbow, which comprises a first baffle plate, one end of the first baffle plate is provided with a second baffle plate, and a gap between the first baffle plate and the second baffle plate is provided. A winding wheel is provided, and a repair belt mechanism is arranged on the surface of the winding wheel. The special belt for overhauling the polyethylene anti-corrosion layer of the buried steel pipeline of the present invention is provided with a repair belt mechanism, and the non-woven layer and the reinforcing silk layer are contained in the inside. The tensile strength ensures that the repair tape wound on the surface will not be deformed or broken, and the reinforcing silk layer is made of polyester silk material, which has high rigidity and can cooperate with the non-woven layer to further improve the tensile resistance of the repair tape. In addition, the material itself is elastic and rebounds quickly, which can make the repair belt have strong recovery ability. At the same time, with the roller coating structure, it can still be easily operated when facing the uneven surface of the elbow, so that the pipeline can be repaired in place.

The invention relates to double-surface knitted lightweight elastic wool fabric with dragon and phoenix patterns and a tatting visual effect. A wool surface is finished after double-surface knitted grey cloth is processed by means of a needle punching technology and yarn containing wool at the back surface is reversely embroidered to the front surface of the grey cloth, and the grey cloth is formed by weaving three kinds of yarn on a large 11-needle 34-inch double-surface circular knitting machine, wherein the first kind of yarn is acrylic yarn containing wool and is shown on the back surfaceof the grey cloth, the second kind of yarn is polyester silk, serves as connection yarn of the first kind of yarn and the second kind of yarn and is positioned at the middle of the grey cloth, the third kind of yarn is polyester silk and is shown on the front surface of the grey cloth, and the wool content of the fabric is 3-6wt%. The fabric is novel and changeable in color, a monotonous dyed fabric color is abandoned, the fabric has a superior visual effect, the effect of fabric with high wool content is achieved through the fabric with low wool content, and a fully fluffy feeling can be achieved without a fulling process.

The production process of elastic belt of thermoplastic polyurethane includes the following steps: 1. extruding out thermoplastic polyurethane from extruder; 2. cooling the extruded thermoplastic polyurethane belt in water tank; 3. drawing the cooled thermoplastic polyurethane belt with one roller traction machine in at least three stages, including the first drawing stage of forming initial widthand thickness, the second drawing stage of determining width and thickness and producing high elasticity for the first time, and the third drawing stage of setting and producing high elasticity for the second time; and 4. driving pneumatically the elastic belt of thermoplastic polyurethane into tubular tank to release stress. The traction machine for the production process includes at least threepairs of transmission rollers and drawing rollers. The produced elastic belt of thermoplastic polyurethane has high elasticity and strong resilience.