47results about How to "Has no rust" patented technology

The invention relates to a sandwich metal plate. The sandwich metal plate comprises an upper panel, a lower panel and a plurality of core tubes, wherein the multiple core tubes are arranged between the upper panel and the lower panel, penetrating air passages are arranged among the multiple core tubes, and the core tubes as well as the upper panel and the lower panel are brazed through fore-and-aft and / or left-and-right circulating heating by utilizing high-temperature gas through the air passages. On one hand, the sandwich metal plate has the advantages of light weight, high strength, heat insulation and the like, and on the other hand, the sandwich metal plate cannot be deformed by heat difference, so that the permanent service life of the sandwich metal plate is guaranteed.

The invention belongs to the technical field of bridges, and discloses a circular ring suspender and welded hollow spherical joint stiffening glass suspension bridge. The circular ring suspender and welded hollow spherical joint stiffening glass suspension bridge adopts a pattern of audio frequency as a design characteristic; the concept of a spatio-temporal tunnel is introduced to architecture and landscape, a circular ring with variable diameter is adopted to set off a pedestrian passageway, and visitors just like walk in the suspended spatio-temporal tunnel; or the call and the sound wave in an open country reverberate among distant mountains. According to the circular ring suspender and welded hollow spherical joint stiffening glass suspension bridge, due to the diversity of the changeof the adopted plane and space, the visitors feel different space changes in the traveling process, the visual fatigue for spanning an ultra-long bridge body is reduced, and therefore the interestingness of the glass gallery bridge is increased, and in addition, the visitors are personally on the scene in the high altitude where transparent glass is erected, so that the visitors can better fell the charm of the nature and the excitement brought by being high up in the air.

The invention discloses a portable fuel oil storing and transporting bag. The bag is made by, by weight, 65-78 parts of synthesis fiber, 12-17 parts of polymer composite material, 3-7 parts of antistatic agent and 7-15 parts of nano coating material. The portable fuel oil storing and transporting bag is convenient to use, high in thermostability, resistant to wear, high temperature and high pressure, supportive of recycling, convenient for carrying, small in size, free of rusting corrosion and low in cost, and the antiexplosion problem caused in industrial production is solved. Consequently, the portable fuel oil storing and transporting bag has the advantages of convenience for carrying, low cost, light weight, flame retardance, foldability, wear resistance, falling resistance, high sealability, freeness of toxicity and smell and convenience for filling.

The invention relates to a single railing body. The single railing body comprises an integrated stand column, wherein upper cross rods are integrally connected to the top end of the integrated stand column; a U-shaped connector is pre-buried in the bottom end of the integrated stand column; one end of each upper cross rod is a first connecting end, the other end of each upper cross rod is a secondconnecting end; and the first connecting end of one upper cross rod can be matched with the second connecting end of the other upper cross rod. The invention further provides a construction method ofa novel railing assembly type stair railing. The single railing body is simple in structure and convenient to use, factory prefabrication and on-site assembly are adopted, a welding machine gas cylinder and a grinding tool do not need to be used, and connection and mounting can be achieved only through assembly, and assembly is completed. The surface of the stair railing can be subjected to various treatment modes such as spraying and coating and oxidation, the surface color is diversified, the texture is high, and the defects of the market are overcome. The joints are connected through connecting pieces, the defect that a vertical pipe and a main pipe in a stainless steel handrail need to be connected through a manual grinding process can be overcome, and connection and mounting can be completed through assembly and bolts.

The invention belongs to the technical field of ceramics and crushing, and in particular relates to a ceramic crushing mechanism, which is characterized in that it includes a connecting part and a crushing part, the connecting part is located above the crushing part and both are integrally formed; the connecting part is in the shape of a circular column And the hollow part through the upper and lower parts of the connecting part is the connecting cavity; the inside of the crushing part has a hollow container chamber, and the edge of the crushing part is circular cylindrical and the edge of the crushing part has a plurality of teeth distributed along the circular column. The diameter of the cavity is larger than the diameter of the connection cavity, the connection cavity communicates with the container cavity, and the container cavity does not completely penetrate the upper surface of the crushing part; on the orthographic projection of the upper surface of the crushing part, the connection part is located in the center and the connection cavity The center of circle of the chamber coincides with the center of circle of the holding chamber and the center of circle where the outer edge of the pulverized parts is located. The invention has the following main beneficial effects: wear resistance, wide temperature adaptation range, acid and alkali resistance, high mechanical strength, easy cleaning, no rust, and easy replacement.

The invention relates to an internal combustion burner for a domestic gas stove. The internal combustion burner for the domestic gas stove comprises a furnace head main body and an outer ring fire distributor, wherein fire outlet holes are formed in the outer ring fire distributor. The internal combustion burner for the domestic gas stove is mainly characterized by also comprising a connecting seat, wherein the connecting seat is made of a high-temperature-resistant material capable of resisting the temperature above 700 DEG C; the connecting seat is mounted on the furnace heat main body; the outer ring fire distributor is mounted on the connecting seat; the fire outlet holes are rotary fire outlet holes; the central axis of each rotary fire outlet hole is staggered with the central axis of the outer ring fire distributor. The internal combustion burner for the domestic gas stove has the characteristics of avoiding big heat loss caused by far distance between the fire outlet holes of the internal combustion burner and the pot bottom, improving the high-temperature resistance and the corrosion resistance of the internal combustion burner, and improving the reliability of the internal combustion burner.

The invention discloses a resin glass fiber formula and a resin glass fiber tile made from the formula. The formula includes the following components in parts by weight: resin glass fiber powder: 50-70 parts; PP prepreg scrap: 10-70 parts 30 parts; epoxy resin: 10-30 parts; the particle size of the glass fiber powder of the resin is 60-100 mesh, the copper content is less than 3%, and the water content is less than 15%. The resin glass fiber type tile is made of the following components by weight: resin glass fiber powder: 50-70 parts; PP prepreg scrap: 10-30 parts; epoxy resin: 10-30 parts; the resin glass fiber The particle size of the powder is 60-100 mesh, the copper content is less than 3%, and the moisture content is less than 15%.

The invention discloses an integrally formed composite door leaf and a manufacturing method of the composite door leaf. The composite door leaf comprises a composite door plate, a front press strip, a back press strip, a front sealing rubber strip, a back sealing rubber strip, a door carrying frame, a lower slide block assembly and tempered glass, wherein the tempered glass is arranged on the upper half part of the composite door plate and forms an observation region; the door carrying frame is fixed above the composite door plate through screw bolts; the lower slide block assembly is fixed under the composite door plate through screw bolts; the front press strip and the back press strip are arranged at the two side edges of the composite door plate; the front sealing rubber strip and the back sealing rubber strip are arranged on the press strips of the symmetrical sides; and the sealing of the composite door leaf is realized. The composite door plate comprises an upper fiber reinforced composite panel, a filling core material layer, a reinforcing sectional material, an embedding element and a lower fiber reinforced composite panel which are in sequential distribution from top to bottom. Compared with a conventional aluminum alloy door leaf, the composite door leaf achieves the goals of simplifying production flow processes, saving the energy and reducing the cost, improves the taking comfort of a rail vehicle, and has good application prospects.

The invention relates to a multifunctional searchlight, which comprises a luminous body casing (2), a battery casing (19), and a tail hood (22). A lithium battery (18) is arranged in the inner cavity of the battery casing, a luminous body base (15) is fixed on a lamp base (15), a plurality of light emitting diodes (7) are embedded in the inner wall of a refractive body (4), the light emitting diodes and a strong bulb (12) fixed on the lamp base are respectively connected with a control circuit board (16) driven by a single-chip microcomputer through conducting wires, a power output interface (24) and a charging interface (25) are arranged on the tail hood (22), the large capacity lithium battery (18) provides booster power for a voltage boosting integrated circuit board (20) through a control circuit board driven by the single-chip microcomputer, the power output interface is connected with the voltage boosting integrated circuit board (20) through conducting wires, and the charging interface is connected with the control circuit board through conducting wires. The searchlight has large capacity, the power consumption is low, the lighting intensity is adjustable, and the searchlight can also output power through the power output interface.

The invention discloses a fixture used for multistage overall blade disk electron beam welding. The fixture is composed of a base, a fixed stand column, a lower fixed partition block, an upper fixed partition block, a cover plate, a pressing nut and a hoisting lug ring; the fixed stand column, the lower fixed partition block, the upper fixed partition block, the cover plate and the pressing nut, and a to-be-welded first overall blade disk, a to-be-welded second overall blade disk and a to-be-welded third overall blade disk are sequentially assembled on the base from bottom to top in a staggered manner; and the hoisting lug ring is fixedly connected to the upper end face of the fixed stand column. The fixture is simple in structure, convenient to operate and use and high in reliability, welding of the multistage overall blade disks can be achieved at a time, the production efficiency of welding is improved, the problems that welding of a large-diameter wheel disk in the multistage overall blade disks cannot be easily controlled, and ununiform deformation can be very easily caused can also be solved, the rejection rate is reduced, and the production cost is reduced.

The present invention belongs to a vehicle-mounted type capacitive transducer for sampling vehicle load. Its key lies in that it mainly composed of capacitance upper electrode plate and capacitance lower electrode plate, the upper electrode plate is mounted in the bottom portion of platform, the lower electrode plate is mounted over the middle portion of wheel axle, two electrode plates are face-to-face oppositely and up-down mounted, over the every wheel axle of the vehicle a set of capacitive transducer is mounted respectively. Besides, said invention also provides the working principle of said vehicle-mounted type capacitive transducer and its operation method and steps for detecting vehicle load mass.

A rust resistance semi-metallic brake pad comprises the following components according to parts by weight: 3 to 5 parts of tire powder, 3 to 5 parts of expansion graphite, 6 to 10 parts of superfine iron oxide powder, 9 to 13 parts of phenolic resin, 15 to 20 parts of stainless steel short fibre, 2 to 3 parts of cashew nut shell oil friction-type mix, 3 to 5 parts of foam ferrous powder, 3 to 5 parts of graphite particle, 10 to 15 parts of barites (600 meshes), 3 to 5 parts of chromite, 2 to 4 parts of magnetite, 3 to 5 parts of precipitated calcium carbonate, 2 to 3 parts of heavy magnesia, 9to 12 parts of acicular aedelforsite fibre, 1 to 2 parts of antimony sulphide, 0.5 to 1 part of copper sulphide. The invention is stainless, and has the characteristics of high friction coefficient,good and high capacity of temperature and decline resisting, long service life, and the like. The high temperature resistance thereof can reach 450 DEG C, friction coefficient is stable between 0.3 and 0.4, and the cost performance of the brake pad thereof is extremely high, and the brake pad can be especially applied to the front brake of light cars for long time and frequent use without damagingeither the brake drum or the brake disc.

The invention discloses a sponge city water treatment method. The method comprises the following steps that rainwater and sewage are introduced into a sediment separator of a sponge city integration system; sediment and water are separated by the sediment separator, clean water after separation is introduced into a first water treatment chamber and precipitated, the clean water acquired after being precipitated is introduced into a second water treatment chamber and a third water treatment chamber in sequence, and water purification treatment is conducted on the clean water in the third water treatment chamber through a water treatment machine; the clean water after water purification treatment is introduced into a water storage tank for storage and use in future; the sewage after separation by the sediment separator flows into a flood discharge drain pipe via a sewage pipe and is discharged through the flood discharge drain pipe; the water in the third water treatment chamber overflows to a shallow channel through an overflowing device, then flows into a deep channel through an infiltration well, and finally flows into the flood discharge drain pipe for flood discharging through the deep channel. According to the sponge city water treatment method, rainwater and sewage can be transformed into domestic water efficiently and in a environmentally friendly way, flood discharge can be conducted fast, and the method has a good flood discharge effect and universal applicability.

The invention belongs to the technical field of PE composite pipe production and relates to a production process of prestressed plastic steel PE composite pipe. The steps are: immerse and pass the fiber into the thermosetting resin mixture, pultrude and heat, solidify into plastic steel wire under tension, and roll it into a coil for later use; weave the plastic steel wire into a net with a braiding machine on the surface of the base pipe; Glue is dispensed at the nodes of the mesh; a PE layer is extruded outside the plastic steel wire mesh that has been dispensed to make a composite pipe. The invention prepares the PE composite pipe by replacing the traditional steel wire with the extruded glass steel wire or carbon fiber steel wire, which has the advantage of not rusting. The coefficient is close. After the production of the pipe, it will not be delaminated due to the tension of thermal expansion and cold contraction, and will not form stress on the structure of the pipe. It can be fixed at the intersection of weaving with a glue dispenser to ensure uniform distribution and ensure the quality and stability of the pipe. sex.

The invention relates to an anti-rusting method of a galvanized iron tower member. The anti-rusting method is mainly used for solving the problems that, the galvanized iron tower member is not corrosion-resistant, easy to get rusty and short in service life, the structural strength is reduced, the potential safety hazard is generated, and collapse and power outage accidents of an iron tower are further caused in the prior art. The process of the method according to the invention is as follows: brush-coating a conductive glue solution with the repair function on the surface of the assembled galvanized iron tower member, further pressing the glue solution into gas holes, hair eyes, gaps and exposed scars in a galvanized layer through the high pressure method for tamping, blocking and sealing, spray-coating anti-aging, water-repellent and dirt-resistant clear lacquer on the surface of a glue film after the glue film is hardened, brush-coating a silicon rubber layer at the part which is 1m away from the member at the root part of the iron tower after the lacquer forms a film, and further preparing the product prepared by the method according to the invention. The anti-rusting method of the galvanized iron tower member is scientific, simple in process and convenient to use, and can save the material cost, the implementation can be followed after the galvanization process of a galvanization workshop, and the product has the advantages of corrosion resistance, rustless property, friction resistance, water resistance, pollution prevention, long service life of 30 years, maintenance-free updating, safety, reliability and significant economic benefits and can be widely used on land and in water.