144results about How to "Easy to make" patented technology

The invention discloses a centrosymmetric n-shaped unilateral multi-frequency left-handed material, and relates to a left-handed material. The material is provided with a dielectric substrate of whichone side is coated with a metal good conductor layer, and the metal good conductor layer is etched with four n-like structure patch units which are symmetrically arranged up and down and left and right with respect to the center of the substrate. The upper left n-shaped structure paster subunit takes n as the center, the left part of the n shape is a C1 ring with an open wide edge, and the rightpart of the n shape is formed by connecting C2 rings with open long edges in a back-to-back staggered mode. A gap E3 is formed between the C1 ring on the left side and the C2 ring on the right side, and a tiny gap is formed between every two adjacent n-shaped structure paster subunits; and the tiny gaps are used for forming a magnetic resonance circuit and an electric resonance circuit so as to generate equivalent negative permeability and equivalent negative dielectric constant. The large rectangular ring and the small rectangular ring of each n-like structure can form a resonant ring, the outer longitudinal branch currents of the resonant rings are the same in direction and overlapped with each other, the high-frequency left-handed frequency band can be excited, and the multi-frequency left-handed characteristic is achieved.

The invention relates to the field of corrugated paper processing, in particular to a waterproof antistatic corrugated board, which is manufactured by the steps of burdening, paper pulp manufacturing,body paper manufacturing, paperboard manufacturing, paperboard forming and waterproof layer coating and brushing. The paper pulp comprises the following components: premixed water, basic cellulose powder, added water, functional cellulose powder, silver powder, sodium hydroxide, a bridging agent and a stabilizer. A waterproof layer coating is prepared from the following components: waterborne polyurethane emulsion, functional cellulose powder, water for adjusting viscosity and a coalescing agent. The functional cellulose powder is glycine grafted cellulose, and the grafting rate is 1.5-3%. The corrugated board prepared from the paper pulp has a good antistatic effect; the waterproof coating coated on the corrugated board can effectively realize a waterproof function; the paper pulp manufacturing method is simple and convenient, the obtained paper pulp is uniform and stable, and subsequent paper forming is facilitated.

The invention discloses a forced lubrication device and method for a sliding block for pushing. The device comprises the sliding block, and grease injection holes and main grease channels are formed in the sliding block. Grease pipes are connected with grease distributors and the grease injection holes. Grease grooves are formed in sliding plates, and the sliding plates are connected with the sliding block through sunk screws. The sliding block is provided with a separation baffle. Lubricating grease is injected into the grease distributors, passes through the grease pipes and the grease injection holes and enters the main grease channels of the sliding block until the lubricating grease is distributed in the crisscrossed grease grooves of the sliding plates, and the purpose of forced lubrication is achieved. The device is convenient to disassemble and assemble, and on-site construction efficiency is high; forced lubrication of the sliding block can be achieved, and the problem that lubrication is insufficient through an existing method is solved; the uniformity and high efficiency of lubrication of the sliding block are guaranteed, and waste of the lubrication grease and consumption of the sliding block are reduced.

The invention relates to an embroidering fabric and a manufacturing method thereof, and belongs to the field of embroidery. The manufacturing method comprises the following steps that a fabric is dyedand subjected to first-time drying to obtain an initial fabric, the surfaces of embroidery threads are smeared with wax liquid, then the initial fabric is embroidered and smeared with a smoothing agent, and secondary drying is conducted on the initial fabric. The smoothing agent is prepared from, by weight, 8-10 parts of starch grafting sodium acrylate, 4-5 parts of organic silicon rubber, 2-3 parts of amino silicone microemulsion, 4-5 parts of lauric acid containing ester quaternary ammonium salt, 1.5-2 parts of imidazoline type surfactant, 1.5-2 parts of triethylene diamine and 50-60 partsof water through mixing. The preparation method is simple and convenient to conduct, the soft and smooth characteristics of the embroidering fabric can be maintained for a long time, the pilling or fluffing phenomenon can be avoided, and the embroidering fabric is especially suitable for the manufacturing of embroidery clothing of the Miao nationality and the Dong nationality. The embroidering fabric manufactured by the manufacturing method is soft and smooth, and after the embroidering fabric is in contact with the skin, no uncomfortable touch feeling is generated.

The invention discloses a flexible smoke deflector module and a mounting method. The flexible smoke deflector module comprises a flexible smoke deflector and a plurality of fixed parts; the flexible smoke deflector comprises a metal net and a filling material; the filling material is wrapped in the metal net, one side of the flexible smoke deflector is fixed on an outer wall of a cabin unit by thefixed parts, and the oppositely arranged side of the flexible smoke deflector is fixed on a connecting part of the cabin located by the cabin unit by the fixed parts. The flexible smoke deflector wraps the material filling way by adopting the metal net, the weight is light, and the large-amplitude bending or deformation can be performed; the smoke deflector module can be fixed in the cabin through the fixed parts, the obstacle on the cabin-in mounting of the cabin unit is avoided, and the flexible smoke deflector module has the features of being simple in manufacturing and convenient to mount, the welding work is greatly reduced, the construction cost and cycle are shortened.

The invention relates to a triaxial apparatus for synchronously loading a high-frequency cyclic load under a static load. A main body structure of the triaxial apparatus comprises a triaxial apparatusbase, a pressure chamber base and a reaction frame vertical rod arranged on the triaxial apparatus base, a pressure chamber fixed to the pressure chamber base in a sealed mode, a sample placed on thepressure chamber base, a reaction frame adjustably fixed to the upper portion of the pressure chamber through the reaction frame vertical rod, and a loading rod whose upper end and the lower end arefixed to the bottom face of the reaction frame and the top face of the sample respectively. The triaxial apparatus further comprises a static force loading system, a high-frequency cyclic load loadingsystem, a confining pressure loading system, a back pressure loading system, a computer for realizing control loading and an acquisition system for realizing acceleration measurement, deformation measurement and load measurement. Compared with the prior art, the triaxial apparatus has the advantages of realizing synchronous loading of static load and high-frequency cyclic load, being wide in loadfrequency adjustment range, being capable of realizing stepless speed regulation, being stable and reliable in loading mode, being simple to operate and the like.

The invention discloses a self-adaptive liquid lens and a manufacturing method thereof. The lens is composed of a gel chamber (4), optical liquid (5), an indium tin oxide electrode (6) and a glass substrate (7), wherein the gel chamber (4) formed by the deformed gel and the glass substrate (7) is ellipsoidal, and the optical liquid (5) is arranged in the gel chamber (4); the indium tin oxide electrode (6) is arranged on the glass substrate, and the optical liquid (5) is deformed under the effect of the external voltage loaded on the indium tin oxide electrode (6), thereby forming a liquid interface, and the continuous zooming of the lens is realized. Compared with the prior art, the self-adaptive liquid lens disclosed by the invention has the advantages that the problem of small focal length change range of the lens can be solved, and the manufacturing method is simple and convenient.

The invention provides a carbon fiber infrared ray anion heat storage type electric heater relating to the technical field of central heating. 'Insulating powder filled in a heating tube and spraying coating arranged on a radiating fin' are taken as key technologies. A peripheral edge of a flat back plate is fixedly connected with the pot edge of a pot back plate; inner sides of the flat back plate and the pot back plate are fixedly connected with heat insulating layers; the inner side of the pot back plate is fixedly connected with a blocking component; the outer side of the pot back plate is fixedly connected with the radiating fin; a heating tube and a heat storage brick are connected in the manner of buckling and extruding through the blocking component; carbon fiber beam heaters are arranged in the heating tube in the manner of spiral uniform distribution along a central axial direction; the heating tube is filled with the insulating powder; the carbon fiber beam heaters are electrically connected with a power supply; the surface of the radiating fin is connected with the spraying coating in the manner of bonding. The carbon fiber infrared ray anion heat storage type electric heater is used for heating and has the advantages of simple process, good effect, low cost and benefit for popularization.

The invention discloses an oil containment boom capable of being quickly towed on water. The oil containment boom consists of a plurality of oil containment boom units which are connected with one another, and each oil containment boom unit comprises a floating body, a skirt body, a body, a flow guide body and a stable counterweight body, wherein each flow guide body is used for enabling the stratified flowing of mixed fluid around the oil containment boom to form a first water body and a second water body when the oil containment boom quickly moves, and the first water body tends to upwards flow to prevent floating oil on the water from being wrapped and carried by the second water body in a bottom layer for escape from the bottom of the oil containment boom; each stable counterweight body is used for keeping the corresponding skirt body in the water at an upright posture all the time when the oil containment boom is towed to ensure that the floating oil on the water is effectively blocked by the oil containment boom. According to the oil containment boom, the floating oil on the water can be quickly accumulated, and can be effectively prevented from escaping from the bottom of the oil containment boom; in addition, the oil containment boom is simple in structure, can be safely and reliably used, and can be folded for storage, and a small space is occupied. The invention also provides a method for quickly containing oil by utilizing the oil containment boom.

The invention discloses a concreting device for a high-rise framed tubular column, which consists of a storage silo, a hanger rod, a limiting baffle plate, a cylindrical support, a discharge opening plugging device, a ground cylindrical rack, a lifting lug and a discharge opening, wherein the storage silo adopts a structure provided with a cylindrical upper part and a conical lower part; the lifting lug passes through the central round hole of the support piece at the upper opening of the storage silo, and the lower end thereof is connected with the discharge opening plugging device; the cylindrical support is welded onto the storage silo cylinder body; the discharge opening plugging device is fixed at the lower end of the hanger rod (2) and is used for closing/opening the discharge opening along with the vertical displacement of the hanger rod. The concreting device has a simple and reasonable structure, is convenient to manufacture, and can effectively reduce the labor intensity, improve the construction efficiency and reduce the material waste and pollution during the construction.

The invention discloses a retractable grounding wire with an insulation handle, and relates to the field of connecting components hanging on overhead lines or the other suspension lines used for making conductive parts connected with one another. By means of the retractable grounding wire with the insulation handle, the problems that according to a throwing grounding wire, time and energy are wasted in the throwing process, or the personal safety is endangered due to violation of regulation, for example, the grounding wire is directly taken by a hand for installation are solved. The retractable grounding wire comprises an annealed copper wire and a grounding wire clamp fixed to one end of the annealed copper wire, and further comprises the telescopic insulation handle and a reel fixed to one end of the insulation handle; the annealed copper wire is wound in the reel, one end of the annealed copper wire is grounded through the grounding wire clamp, and the other end of the annealed copper wire is connected with a wire end clamp after passing through the insulation handle. The retractable grounding wire with the insulation handle is used for installing the throwing grounding wire.

The invention discloses a surface enhanced Raman scattering substrate, a detection chip and a preparation method. A layer of gold film is prepared on the surface of a substrate, and then biotin is dropwise added to the gold film; meanwhile, streptavidin and gold nanoparticles are subjected to a hatching reaction, supernate is removed after centrifugation, then the mixture is dropwise added to a gold film, a single-layer gold film-gold ball structure is formed through self-assembly, Fano resonance optical response is generated, and the highly-enhanced SERS substrate is prepared. According to the present invention, the SERS substrate is combined with the PDMS microfluidic chip, such that the application range and the detection level of the microfluidic chip are improved, the production method is simple, the operation is simple, the carrying is convenient, and the simultaneous detection of serum and blood can be achieved.

The invention discloses a terahertz wave radiation source based on a graphene material, relates to a terahertz emission source, and belongs to the technical field of terahertz waves. The basic main body material is graphene and a modified graphene material thereof. The main structure mainly comprises three parts, namely, a semiconductor base layer constructed by graphene and the modified graphenematerial thereof, a transition transmission interaction layer formed by a transition metal compound, and a graphene magnetic field emission layer formed by graphene and a composite material thereof. The invention provides a real terahertz wave source, the output frequency completely covers the terahertz wave range of 0.1-10THz, and terahertz waves with the average power of milliwatts can be emitted even under the 24V direct-current voltage. The radiation source is simple in structure, light, high in thin film degree, wide in working range, high in conversion efficiency far superior to that ofthe existing terahertz wave radiation source and completely suitable for large-scale production and application, and has far-reaching influence on expanding the cognitive dimension and depth in the fields of spectroscopy, material science, biology, medical imaging, environmental science, information science, astrophysics, plasma physics and the like.

The invention discloses a nodular cast iron pipe ring cutting device and relates to the technical field of cast pipe production auxiliary equipment. The nodular cast iron pipe ring cutting device comprises a control panel, a base, two or more pairs of riding wheels and a ring cutting machine. The riding wheels arranged in pairs are arranged on the base side by side and comprises driving wheels and driven wheels. The ring cutting machine is arranged at the end of the base and on the outer side of the driving wheels and fixed to a motor seat. One end of the motor seat is hinged to a support and the other end of the motor seat is connected with the support through a lifting device. A nodular cast iron pipe is supported through the symmetric riding wheels on the base, the driving wheels are driven by a power drive device to rotate, the lifting device is controlled through the control panel to lift the ring cutting machine, and ring cutting operation is achieved. The nodular cast iron pipe ring cutting device has the advantages of being simple and practical in structure, flexible, convenient to use, reliable in control, easy to manufacture, low in investment cost and fault rate, easy and convenient to install and repair and capable of improving ring cutting efficiency.

The invention discloses a one-time brazing forming welding process for parts with different heat capacities. The one-time brazing forming welding process comprises the following steps that S1, surface treatment is conducted, specifically, all the parts are cleaned, and welding flux is polished; a welding ring is manufactured according to the size and the shape of the part, spot welding is conducted on the built-in welding ring through a laser spot welding machine, and spot welding of the built-in welding ring is not needed; s3, vacuum brazing is conducted, specifically, the assembled workpiece is placed in a vacuum brazing furnace, the temperature rise gradient is controlled, gradient temperature rise is conducted according to the temperature rise speed of about 5 DEG C/min, 4 DEG C/min, 2-3 DEG C/min and 1 DEG C/min, and the uniform temperature of the part and the welding flux is kept; s4, precision machining; and S5, heat treatment, wherein the workpiece is placed in a vacuum furnace to be subjected to low-temperature heat treatment. The welding process meets the brazing standard, meets the quality design requirement of a welding joint, is feasible, is high in yield, and can meet the welding of special parts.

The invention discloses a hot-air drying machine capable of utilizing waste heat and achieving penetrating countercurrent fluidization. The upper portion of a drying tower is connected with an induced draft fan, and the induced draft fan is connected with a cyclone dust removing waste heat efficient recoverer formed by a tube-type heat exchanger and a cyclone dust collector in an overlapped manner in the tangent direction and then is emptied; the air inlet end of the shell side of the tube-type heat exchanger is communicated with the atmosphere, and the air outlet end of the shell side of the tube-type heat exchanger is connected with the lower portion of the drying tower through an air blower and a steam finned heater; and an impeller of the induced draft fan is of a structure that blades are in a hollow and wedged shape, and the contour line of the appearance of the induced draft fan is an involute. According to the hot-air drying machine capable of utilizing the waste heat and achieving the penetrating countercurrent fluidization, creative integration is conducted on waste heat utilization and dust removal, the cyclone dust removing waste heat efficient recoverer is designed out, the equipment input is reduced, and the work efficiency is improved; and due to the fact that sieve mesh cone covers, sieve mesh cone discs, discharging tubes, a stretching vibration transmission shaft and conical plugs are arranged, penetrating, countercurrent, boiling and fluidization drying of materials are exquisitely and perfectly achieved, more energy is saved, the drying quality is higher, the power consumption of the induced draft fan is lower, and the application prospect is wider.

The invention discloses radix codonopsis and honey composition. The composition comprises raw materials in proportion as follows: 40-70 parts of raw honey, 7-12 parts of radix codonopsis, 8-12 parts of astragalus, 7-10 parts of loquat leaves, 8-12 parts of flos farfarae and 7-11 parts of radix asteris. According to the radix codonopsis and honey composition, the defects that the integration is poor, the traditional Chinese medicine content cannot be controlled, the preparation process is complex and the medicine function is single due to the fact that conventional honey composition is obtained through grinding or feeding are overcome, and the radix codonopsis and honey composition is high in integration and simple to prepare and has fixed traditional Chinese medicine content and functions of replenishing blood, tonifying Qi, moistening lungs, relieving cough and boosting immunity.

A method for manufacturing a conducting film applied to an automobile electrochromic inside rear-view mirror comprises the following steps: plating the surface of a glass substrate with Ni and Cr or amixture of Ni and Cr, so as to form a layer of metal reflecting layer on the surface of the glass substrate in a covering mode, wherein the reflectivity of the metal reflecting layer is between 40% and 55%; plating the surface of the metal reflecting layer with a layer of reflection reinforcing layer, the reflection reinforcing layer consists of a high refractive index layer and a low refractiveindex layer which are arranged front and back, the surface of the metal reflecting layer is covered with the surface of the high refractive index layer, and the reflectivity of the metal reflecting layer plated with the reflection reinforcing layer is between 85% and 95%; and plating the surface of the low refractive index layer in the reflection reinforcing layer with a layer of ITO film layer. The method of the invention has the advantages that: the metal reflecting layer is low in cost and high in anti-oxidation performance; the metal reflecting layer is covered with the reflection reinforcing layer, so that the reflectivity of the conducting film is improved from 40%-55% to 85%-95%, thereby achieving a light total reflection effect of the conducting film.