50results about How to "Easy to adjust shape" patented technology

The invention discloses an autoclave-based creep age forming flexible frock, which comprises a vacuum bag, a bottom plate, a high frame, a low frame, nail battens, four gaskets, an adjusting stud, a fixed plate and an air exhaust hose, wherein the bottom plate is provided with a pin hole and a threaded hole; the high frame has a frame body consisting of two short high frames and two long high frames, and the vacuum bag is covered on the high frame and a piece to be formed; the low frame has a frame body consisting of two short low frames and two long low frames, the high frame is fixed at theperiphery of the low frame, and both the high frame and the low frame are fixed on the bottom plate; the nail battens are arranged on the bottom plate in parallel and fixed in the frame body of the low frame through side bolts; the four gaskets are arranged between the inner wall of the low frame and the nail battens; the lower part of the adjusting stud taps the screw thread which is used for forming the fixed plate with a screw thread pair; the central position of the fixed plate taps the screw thread hole which is used for forming the screw thread pair with the adjusting stud, the adjusting stud is fixed on the fixed plate, and then the fixed plate and the adjusting stud are fixed on the nail battens; and the air exhaust hose is connected to an air exhaust tube nozzle which penetrates and is fixed on the corresponding hole of the bottom plate and is hermetically connected through a silicon rubber gasket.

The invention discloses a method for enhancing the wearability in the cylinder of engine and the inner surface of the cylinder cover. The steps are: 1) carries on consolidating treagment to the surface of cylinder and the inner surface of the cover within section between the two stop points of valve; 2) uses laser etching method to etch tiny slots on the cylinder and the inner surface of the cover regularly; 3) grinds the cylinder and the surface of the cover subtly in order to eliminate the remnants around the slots. In the invention, the cylinder and the surface of the cover has high rigidity and oil storing slots, the friction factor is decreased greatly.

The invention relates to the technical field of biological composite materials, and discloses a preparation method of a novel neural restoration tissue engineering scaffold. The preparation method comprises the following steps: modifying bacterial cellulose; preparing a living cell derived material; uniformly mixing the modified bacterial cellulose with the living cell derived material to obtain a mixture, injecting the mixture into a mold, and preparing the neural restoration tissue engineering scaffold by an ice crystals directional solidification method and a freeze vacuum drying method. The preparation method has the benefits that due to dual bionic design of a structure and a component, the living cell derived material, modified nano fibers and a conductive nano material are combined, so that the obtained scaffold is high in moisture content, good in comprehensive mechanical property and high in stability, and has bioactivity and electroactivity; meanwhile, growth and increment of blood cells can be promoted favorably, and a function of axonal regeneration can be guided; the preparation method is simple, and the shape and the size of a prepared product are easy to control; various requirements of the neural restoration tissue engineering scaffold can be met, and the application prospect is wide.

The invention relates to the technical field of high-temperature alloys, in particular to a single-crystal high-temperature alloy thin-wall casting based on secondary orientation control and a preparation method thereof. By adopting the method, single-crystal high-temperature alloy thin-wall castings with different primary orientations and secondary orientations can be prepared, and meanwhile, mixed crystals can be prevented from being generated. The single-crystal high-temperature alloy thin-wall casting based on secondary orientation control is prepared, a three-dimensional crystal orientation material with the optimal performance is selected to prepare a single-crystal high-temperature alloy blade by researching the thin-wall effect of the alloy under secondary orientation, and great significance is achieved for prolonging the service life of the single-crystal high-temperature alloy blade.

Disclosed in the invention is a cascaded optical fiber respiratory sensing system comprising a voltage-stabilized power source, a broadband light source and a driving circuit thereof, an optical fibercoupler, a cascaded optical fiber sensor, a spectrum demodulator, a data acquisition card, a microprocessor and a display output unit. The cascaded optical fiber sensor being a single mode-less mode-multi-core-less mode-single mode cascaded fiber sensor comprises a multi-core fiber clamped and fused between a first less-mode fiber and a second less-mode fiber; the other end of the first less-modefiber is fused with an input single-mode fiber; and the other end of the second less-mode fiber is fused with an output single-mode fiber. Light from the broadband light source is coupled by the optical fiber coupler; the coupled light passes through the cascaded optical fiber sensor; a wavelength drift signal is received by the spectrum demodulator; the data acquisition card transmits the signalto the microprocessor; and the microprocessor carries out amplification, filtering, and separation on a series of wavelength drift signals to obtain respiratory signals. The system has advantages ofsmall size, light weight, simple structure, great easiness in preparation, high sensitivity and good performance of electromagnetic interference prevention and the like.

The invention provides a one-step in-situ preparation method of a graphene/polyaniline composite electrode. The in-situ synthesis of graphene and polyaniline in the composite electrode is simultaneously performed. The method comprises the following steps that the composite electrode is processed and prepared under the effect of direct current voltage by using a traditional graphite paper electrode as a carrier electrode and protonic acid/aniline electrolyte as a working medium and using a work electrode-counter electrode double electrode system; and the composite electrode is cleaned in deionized water and is naturally dried in the air. Compared with exogenous graphene modification means such as deposition, doping and smearing, and in-situ graphene stripping and synchronous polyaniline synthesis methods, the one-step in-situ preparation method has the advantages that the operation is simple; the processing is fast; and the bioelectrochemistry compatibility is high, and the like. Compared with a traditional electrode, the composite electrode is more suitable for a bioelectrochemistry system.

The invention provides a multifunctional external wall PVC drainage pipe antitheft device, and belongs to the field of drainage pipe related components. The problem that an existing drainage pipe antitheft device is single in form is solved. The multifunctional external wall PVC drainage pipe antitheft device comprises a drainage pipe, the drainage pipe is sleeved with a sheath, and a mounting hole is formed in the sheath. An antitheft plate with antitheft thorns arranged on the outer side face is further included, a connecting sleeve and a connecting ring connected with the connecting sleeve are further included, the sheath is sleeved with the connecting sleeve, and a first connecting hole and a second connecting hole are formed in the connecting sleeve and the connecting ring. A first fixed hole and a second fixed hole are formed in the positions, close to the top end and the bottom end, of the antitheft plate, the bottom end of the antitheft plate is hinged to the bottom end of the mounting hole through a hinge, and the rotary axis of the hinge is tangent to the outer wall of the sheath. The structure of the antitheft device can be conveniently adjusted to adapt to different occasions.

The present invention discloses a solar energy disc-type collection lens system. The system comprises a solar energy disc-type collection lens and a heat absorber located near the focal plane of the solar energy disc-type collection lens, the solar energy disc-type collection lens is formed by splicing M spherical mirrors, the reflection surfaces of the spherical mirrors are quadrangle curved surfaces, the four vertexes of the quadrangle curved surfaces are located at the same paraboloid of revolution, and the orthographic projections of the M spherical mirrors on tangent planes passing through the vertexes of the paraboloid of revolution are square and have the same area. The present invention discloses the method of the solar energy disc-type collection lens system. The spherical mirrors with easy processing are processed to reduce the number of the reflection mirror units and the number of manufacturing dies, reduce the processing and manufacturing cost and improve the optical precision; the deformation errors are little and optics stability is high caused by the environment and other factors; and moreover, the light spot uniformity is high, and the shape is easy to regulate.

The invention discloses an electronic beam collecting device for an electronic gun and relates to the field of electromagnetic fields. The electronic beam collecting device for the electronic gun is used for solving the problem that as electronic beams of an existing electronic gun are low in controllability and accuracy, the electronic beams cannot be collected and are scattered. By means of the electronic beam collecting device for the electronic gun, the emitting point of electronic beams emitted out by the electronic gun can be freely adjusted, and the magnetic field strength can be changed by adjusting exciting current; meanwhile, as the shape and length of a coil can also be easily adjusted, a radial magnetic field is generated according to a magnet exciting coil method, motion of electric charges is controlled by Lorentz force of the magnetic field, then the purpose of controlling the emitting point of the electronic beams is achieved, and the accuracy is improved by 20% on year-on-year basis. The electronic beam collecting device for the electronic gun is applicable to the field of electromagnetic fields.

The invention discloses a three-dimensional cell assembly device based on a movable electrode. The device comprises a conductive bottom plate, a conductive needle tube coating the conductive bottom plate with a mixed solution, a liquid injection device and a needle tube moving mechanism or a bottom plate moving mechanism, wherein the conductive needle tube comprises an inner sleeve tube and a conductive metal deposition layer covering an outer side wall of the inner sleeve tube; the conductive bottom plate and the conductive metal deposition layer are connected with two power supply output ends of a current controller respectively. The device is simple in structure, reasonable in design, easy and convenient to use and operate and good in use effect, and can simply and conveniently adjust the shape of hydrogel containing cells. Meanwhile, the invention further discloses a three-dimensional cell assembly method based on the movable electrode. The method comprises the following steps: 1, conveying the mixed solution; 2, performing water electrolysis and generating the hydrogel; 3, adjusting the position of the conductive needle tube and adjusting water electrolysis current. The method is simple in step, convenient to realize and good in use effect, and the hydrogel shape is adjusted by controlling the position of the movable electrode and the current.

The invention discloses a production process of a welded steel plate pile. The production process of the welded steel plate pile comprises the following steps of a cross section parameter of a sectionof the welded steel plate pile are designed through theoretical calculation, and the designed section parameter is consistent with the requirements of customers; a cold bending steel plate pile is produced through a cold bending forming device; and a steel plate is selected, and the steel plate is cut into a plurality of steel plate strips. According to the production process of the welded steelplate pile, the cold bending steel plate pile and the steel plate strips are welded together to form a new welded steel plate pile, the advantages of the hot-rolled steel plate pile and the cold bending steel plate pile can be combined, the high-section parameters of the hot-rolled steel plate pile can be realized, and the convenient and economic performance of the cold bending steel plate pile profile can be realized, the steel consumption of the hot-rolled steel plate piles with the same cross-section parameters is reduced, and the production cost of products is reduced; the hot-rolled steelplate pile can be adapted to the market with a constantly changing environment, and the reaction speed of enterprises on the market is greatly improved; and the purpose that the steel amount per square meter of wall is reduced by 28.3% can be achieved, the production investment cost of users is greatly reduced, and great market popularization and application prospects are achieved.

The invention relates to the technical field of medical instruments and specifically discloses an adjustable stomach tube. The adjustable stomach tube comprises a stomach tube main body; a food flowing hole and a nutrient liquid channel are formed on the stomach tube main body; the food flowing hole is connected with the nutrient liquid channel on the stomach tube main body; a side wall of the stomach tube main body is hollow; a plurality of separation films are arranged in the hollow side wall of the stomach tube main body; the side wall of the stomach tube main body is divided into a plurality of chambers by the separation films; a guide wire is arranged in one of the chambers; the guide wire is capable of sliding in the chamber along the length direction of the stomach tube main body. According to the scheme, due to the guide wire and the chambers, the hardness of the stomach tube main body is increased, and meanwhile, the stomach tube is deformable, so that the problems of high difficulty in inserting stomach tube and blocking of stomach tube caused by softness of the stomach tube in the prior art can be solved.

The invention provides a device for light spot capture, which includes a light-shading body, wherein a light transmitting window is arranged in the light-shading body; transition zones are arranged at the edges of the light transmitting window; and the light transmission of the transition zones is gradually changed from full transmission to light-proof condition. The invention further provides a corresponding method for light spot capture. Compared with the prior art, the interior modulation of light spots can be avoided.

The invention relates to the manufacturing field of a label data set required for training a neural network, and discloses a solid rocket engine lining defect image data set self-making method. The method comprises the following steps: gradually extracting subset images from an original lining image from a left upper corner to a right lower corner at a specific step length; randomly combining a subset image and a defect graph generated by a defect generator at equal probability, saving a combination result and a corresponding label after completing the combination, taking out another original lining image for combining and saving after completing one original lining image then, and repeating the steps until all the lining images are combined and saved; and finally, performing data enhancement on all the combined results once, wherein the data enhancement can double the number of the images. Through the method, a large number of labeled lining defect images can be obtained and can be used for training a neural network.

The present invention relates to a method for preparing cerium carbonate which can improve the yield and productivity of cerium carbonate, to cerium carbonate powder, and to a method for preparing cerium oxide powder using the same. The method for preparing cerium carbonate comprises the steps of: mixing cerium precursors and urea; and reacting the cerium precursors and urea by raising the temperature of the mixture to 50-250 DEG C in a solvent-free state.

The invention relates to a multi-angle wireless visual laryngoscope, which comprises a grab handle and a laryngoscope tube, the laryngoscope tube comprises a laryngoscope base, a laryngoscope head and a laryngoscope soft shell fixedly arranged outside the laryngoscope base and the laryngoscope head in a sleeving mode, a plurality of connecting sections are arranged between the laryngoscope base and the laryngoscope head, and every two adjacent connecting sections are connected through an adjusting limiting assembly; a camera shooting assembly is fixedly arranged on the laryngoscope head, the laryngoscope base is connected with a grab handle through a fixing assembly, a display screen is arranged on the side, away from the laryngoscope tube, of the grab handle, and a strip-shaped rotating block is arranged on one side of the upper end of the display screen and rotationally connected with the display screen through a rotating shaft. The end, away from the display screen, of the strip-shaped rotating block is connected with the grab handle through a connecting assembly. A wireless communication assembly and a power supply assembly are arranged at the handle end; the power supply assembly provides electric energy; the camera shooting assembly is connected with the wireless communication assembly to output images acquired by the camera shooting assembly to a far-end image acquisition end in a wireless communication mode. The equipment can be flexibly adjusted and is high in applicability.

The invention discloses a train sensor network wireless energy transmitting method and device, and the method comprises the steps: enabling electromagnetic wave energy to be irradiated on a phase modulation material antenna through a feed source system, modulating the electromagnetic wave radiation direction into a direction pointing to a receiving antenna through the phase modulation material antenna, and transmitting electromagnetic waves to the receiving antenna. The device comprises an energy source, a power amplification module, a feed source system and a phase modulation material antenna, the energy source is used for generating electromagnetic wave signals; the power amplification module is used for amplifying the power of the electromagnetic wave signal; the feed source system is used for irradiating electromagnetic wave energy to the phase modulation material antenna; the phase modulation material antenna is used for modulating the electromagnetic wave radiation direction intothe direction pointing to the receiving antenna and directionally transmitting electromagnetic waves to the receiving antenna. The device is high in electromagnetic wave energy transmission directivity, is high in gain radiation, can achieve the energy transmission of a plurality of targets at the same time, can effectively improve the energy transmission efficiency, and is high in anti-interference capability.

The invention relates to an absorbable film, an absorbable insert and a preparation method thereof, relates to the technical field of absorbable inserts, and mainly solves the technical problem that the fiber strength of the absorbable insert prepared by an electrostatic spinning method is not high. The preparation method of the absorbable film comprises the following steps: selecting polyglycollide fiber with the preset range length of 1; mixing m1 parts of polyglycollide fiber, m2 parts of adhesive macromolecule resin and m3 parts of an organic solvent to form a sizing agent, wherein the adhesive macromolecule resin can be dissolved into the organic solvent to form an adhesive; and forming the sizing agent on a gauze net to prepare and form the absorbable film. Compared with the prior art, the strength of the absorbable film is relatively high, the manufacturing technology is simple, the thickness and shape are convenient to adjust, the absorbable film is softer by compared with a fabric patch, the absorbable film is light and thin and small in insert amount, few foreign matters are inserted into the body of a patient as an absorbable patch, and the pain and discomfortableness ofthe patient can be alleviated.

The invention relates to a cryolipolysis treatment head and a cryolipolysis treatment device. The shape of a treatment unit of the cryolipolysis treatment head can be adjusted according to the shape of continuous fat of any designated part of a user, so that the shape of the treatment unit is matched with the shape of the continuous fat of the designated part, meanwhile, in the cryolipolysis process, the shape of the treatment unit is kept fixed and does not deform, so that stable freezing energy is provided for fat, and the treatment effect is improved.

The invention relates to an earphone device. The main structure comprises a left hanging belt, a right hanging belt, a truncated cone convex pin, a soft concave hole, an earphone shell, an earphone positioning slot, an earphone positioning clamp, an inner core, and an earphone cord. The left hanging belt and the right hanging belt are of an integrated strip structure. The earphone positioning slot and the earphone positioning clamp are arranged at a left middle position of the integrated strip structure. The root end of the earphone shell is embedded into the earphone positioning slot and fixed by the locking type earphone positioning clamp, so that the left hanging belt and the right hanging belt can be detachably fixed at the root end of the earphone shell. The truncated cone convex pin is arranged in a fixed connection manner at the end of the left hanging belt. The soft concave hole is arranged in a fixed connection manner in the end of the right hanging belt. The truncated cone convex pin and the soft concave hole are connected in a matching manner to connect the left hanging belt and the right hanging belt into a closed hanging ring. The inner core is a strip helical spring body or an aluminum strip material, with the surface layer coated with a soft rubber and plastic sheath. The earphone device is simple and novel in structure, convenient to use, comfortable, low in cost, and easy to popularize.

The invention discloses a smart medical illness state follow-up monitoring system based on big data, belongs to the technical field of smart medical treatment, and aims to solve the problems that sickbeds are different in structure, simple clamping mechanisms are not easy to match the sizes of the sickbeds, devices are not easy to stably mount, and patients are inconvenient to check medical advices through the devices. Daily illness states and medical advices are recorded through the daily illness state recording unit, diagnosis data are integrated and classified through the data processing module, and then bedridden patients can check own illness states and daily medical advices through the display mechanism on the bedside; when a clamping part is loosened through a follow-up device, the center segment and the distribution segment are rapidly restored to the parallel and opposite positions through the elasticity of the torsion springs on the positioning ends at the two ends, follow-up clamping operation is facilitated, the auxiliary rollers can roll along the side surfaces of the column blocks, and the clamping effect is improved. Furthermore, the gentle degree between the central segment and the distribution segment during bending is further enhanced.