104results about How to "Guaranteed sturdiness" patented technology

The invention relates to an anti-corrosion anti-cracking reinforcing agent composition for concrete, mortar, and net slurry used in injection (first-aid repair) engineering, and a preparation method thereof. The composition comprises the following components on a percentage basis: 2-50% of micro-expansive powder, 5-30% of reinforcing powder, 5-20% of anti-corrosion compacting agents, 10-20% of plasticizers, 1-6% of catalysts, and 10-60% of carriers. The composition of the invention prepares solid and liquid products by processes of melting refinement, polymerization, ball milling, jet milling, complex formulation, and the like, and thus meets construction process requirements of different first-aid repair endurance engineering.

The invention discloses an electronic apparatus. The electronic apparatus comprises a first body, a connecting part and a second body which is rotatably connected with the first body through the connecting part. The electronic apparatus further comprises an antenna; a cavity is arranged in the connecting part; and the antenna is accommodated in the cavity. With the electronic apparatus provided by the invention adopted, the technical problem of serious interference of an inner metal component on an antenna which is caused by a situation that a distance between the inner metal component and the antenna in an electronic apparatus in the prior art is small can be solved, and the signal intensity of the antenna of the electronic apparatus of the invention can be enhanced.

A RF power amplifier circuit has at least one power transistor and a protection circuit protecting the power transistor against high voltages that lead to a destructive breakdown of the transistor. The circuit comprises a power transistor (2), a biasing circuit (6) biasing the power transistor; a peak detector (8) measuring the output voltage of the power transistor; and a comparator circuit (12) connected to the peak detector (8) and designed to reduce the base current of the power transistor (2) when controlled by the peak detector (8).

The invention discloses a method for manufacturing laminated vacuum glass. The method comprises the following steps of: placing a lamination intermediate layer material on the surface of one or two sides of a piece of vacuum glass, and placing a piece of flat glass on the outer side plane of the lamination intermediate layer material to form a laminated vacuum glass structure; completely removing gas in the lamination intermediate layer material of the formed laminated vacuum glass structure and gas between the glass and a lamination intermediate layer; filling the laminated vacuum glass structure into a high-pressure kettle, and gradually heating and pressurizing by stages, wherein the maximum temperature in the high-pressure kettle is 100 DEG C to 170 DEG C, and the maximum pressure in the high-pressure kettle is 0.1Mpa to 0.4Mpa; maintaining the temperature and the pressure for 30 to 120 minutes; gradually reducing the temperature and the pressure in the high-pressure kettle to the normal temperature and the normal pressure to obtain the laminated vacuum glass.

The invention relates to the technical field of steel structures, in particular to an adjustable building stand column connecting mechanism and a using method. The adjustable building stand column connecting mechanism comprises a first column body and a second column body, and further comprises a controller, a first adjusting device, a second adjusting device and a top connecting device; and the first adjusting device is arranged at the bottom of the first column body and used for accurately adjusting the installation position of the first column body, the first adjusting device comprises a bottom shell, the second adjusting device comprises a top cover, a bottom cover, four flexible connecting assemblies and four rigid connecting assemblies, the top connecting device comprises a lining and a connecting assembly, the lining is arranged on the outer wall of the top of the second column body, the connecting assemblies are arranged on the top of the lining, and the rigid connecting assemblies are electrically connected with the controller. According to the adjustable building stand column connecting mechanism and the using method, the mounting position of stand columns can be accurately adjusted, and time and labor are relatively saved during adjustment; and meanwhile, according to the stress condition of the stand columns, an internal connecting mechanism can be automatically adjusted to prevent collapse.

The invention relates to the field of construction engineering structural technologies and construction, in particular to a removal-free reinforced concrete column construction device. The formwork removal-free reinforced concrete column construction device comprises a column steel reinforcement cage. The formwork removal-free reinforced concrete column construction device is characterized in that the outer side of the steel reinforcement cage is provided with cement fiber plates which are connected with the sealing steel reinforcement cage surface, the inner surface of each cement fiber plate is provided with rectangular bulge blocks which are distributed in a quincuncial mode, outer side connecting angels of every two connected cement fiber plates are provided with angle part angle iron in the vertical direction at intervals, and connecting parts are arranged between the every two adjacent angle part angle iron in the same horizontal plane. The formwork removal-free reinforced concrete column construction device is simple in structure and flexible in application, the using amount of steel formworks or wooden formworks is reduced, steel materials and wooden materials are reduced, and the environment is protected.

The invention provides an antenna and electronic equipment. The antenna is applied to the electronic equipment. The electronic equipment comprises a metal frame, a carrier and a circuit board, wherein the metal frame is arranged on the edge of the carrier, and the circuit board is arranged on the carrier. The antenna comprises a first gap, a second gap and a feeding point, wherein the first gap is formed between a first part of the circuit board and a second part of the circuit board, the second gap is formed between the second part and the metal frame, the second gap and the first gap are communicated to form a U-shaped groove, the feeding point is arranged between the first gap and the second gap, a first communication path is formed by the feeding point and the first gap, and a second communication path is formed by the feeding point and the second gap. As a result, the phenomenon that the performance of the antenna becomes poor sharply when the metal frame is held with a hand or other conductors can not occur on the premise that the continuity of the metal frame is not broken, and the poor signal receiving and sending performance of the antenna is avoided.

The invention relates to a method for modifying and reinforcing a rock and soil layer by injecting materials. The method includes the following steps that (1) the rock and soil layer is drilled from the ground surface, and a hole is formed; (2) a high-pressure gas spray explosion jetting gun is inserted into the hole, and the gap between the high-pressure gas spray explosion jetting gun and the wall of the hole is stuffed; (3) spray explosion fracturing is carried out on the rock and soil layer through the high-pressure gas spray explosion jetting gun, and radial cracks are formed in the part, around a head of the high-pressure gas spray explosion jetting gun, of the rock and soil layer; (4) the materials are jet into the radial cracks through the high-pressure gas spray explosion jetting gun; (5) then the high-pressure gas spray explosion jetting gun is pulled back upwards, and the step (3) and the step (4) are repeated until all the radial cracks are filled with the powder materials; and (6) coagulating agents are injected into the area where high-pressure gas spray explosion jetting is completed, and the powder materials jet into the radial cracks and the rock and soil layer are fully fused, modified and cured. The method has the beneficial effects that the rock and soil layer can be modified according to needs, and the structure of the rock and soil layer is more stable.

Provided are: a conductive film having low resistance and high reflectivity characteristics, and low surface roughness, and which combines high sulfidation resistance and heat resistance; a method for producing the conductive film; and a sputtering target used for the conductive film. The conductive film consists of a silver alloy having a component composition containing In and / or Sn at 0.1 to 1.5 at%, and further containing Sb at 0.1 to 3.5 at%, with the remainder comprising Ag and unavoidable impurities. The conductive film is suitable as a reflective electrode film for organic EL elements in which a transparent conductive film of an organic EL element is laminated on the surface, and an electroluminescent layer containing an organic EL layer is laminated thereabove.

The invention relates to an ever-ready indoor anti-seismic escape capsule which comprises a ball-shaped swivel caster, an angle iron framework, a diagonal steel pipe, an inclined strut steel pipe, a vertical strut steel pipe, a ridge steel pipe, a triangular strut steel pipe, a cross beam steel pipe, a driving water storage tank, a self-rescue tool box, a food storage tank, screws for fixing a steel sheet of a top cover of the capsule and the steel sheet of the top cover of the capsule. When earthquake occurs, people can rapidly hide in the anti-seismic escape capsule within two or third seconds. In addition, a radio speaker-phone, an alarm, a radio, an illumination light, helmets and simple clothes are prepared in the capsule which can hold below-two persons to sit on an flexible pad on a basic board of the capsule to take sanctuary.

The invention discloses a sampling device for quarantine of imported and exported animals, and belongs to the technical field of quarantine sampling devices. The sampling device for quarantine of imported and exported animals comprises a mounting box body and antiskid supporting legs, wherein a storage mechanism is mounted at the lower end of the mounting box body, the antiskid supporting legs are fixedly connected to the four corners of the bottom face of the mounting box body, a connecting hinge is fixedly mounted on the horizontal edges of the top end of the back face of the mounting box body, a box cover is fixedly connected to the connecting hinge, the box cover is movably connected with the mounting box body through the connecting hinge, locking devices are fixedly mounted on the horizontal edges of the front surfaces of the mounting box body and the box cover, a connecting block is rotationally connected to the side wall of the mounting box body, and a strap is fixedly connected to the connecting block. In the prior art, the existing design structure is simple, shaking and collision may occur during storage, and in severe cases, the test tube may even be broken and the sample may be easily contaminated during storage and transfer to the preservation mechanism, which affects the accuracy of sample detection. According to the invention, the problems in the prior art are effectively solved.

The invention discloses an anti-scald domestic ceramic product and a preparation method thereof. The anti-scald domestic ceramic product is prepared from the following raw materials in parts by weight: 30-37 parts of albite, 22-26 parts of calcite, 40-50 parts of aluminum bentonite, 5-7 parts of aluminum oxide, 12-15 parts of quartz, 8-11 parts of wollastonite whiskers, 14-17 parts of aluminum silicate, 5-7 parts of sodium silicate, 1.2-1.6 parts of a water reducing agent, 2.4-3.4 parts of a foaming agent, 1.4-1.7 parts of a foam stabilizer and 3-4 parts of a dispersing agent. The anti-scald domestic ceramic product is low in heat conductivity coefficient and good in anti-scald effect; the product is small in thermal expansion coefficient, good in heat resistance, high in breaking strength, good in mechanical property and long in service life; the water absorption is low; in addition, the anti-scald domestic ceramic product provided by the invention has a compact pore structure inside,and is light in weight, good in heat insulation performance, good in anti-scald effect and good in comprehensive performance.

The invention discloses a sapling lifting device for garden construction and belongs to the technical field of seedling lifting devices. The sapling lifting device comprises a device body and advancing tracks fixedly mounted on two sides of the device body, and a power device is mounted inside the device body and matched with the advancing tracks; the rear end of the device body is fixedly connected with a balancing weight, the upper surface of the balancing weight is fixedly connected with a carrying box, a driving seat is fixedly mounted on the upper surface of the device body, a control mechanism is arranged around the driving seat, the front end of the device body is fixedly connected with a fixing frame, a reinforcing frame is fixedly connected between the fixing frame and the devicebody, and a connection fixing mechanism is connected on the fixing frame. The problem that existing design is low in working efficiency and the problem of inconvenience for subsequent hole backfillingwork due to sudden spreading in all directions in the process of seedling lifting are solved effectively.

The invention discloses a mounting base for an industrial robot. The mounting base comprises a robot mounting seat and a shock absorption base. A limiting groove and fixed bolt holes are formed in thetop of the robot mounting seat. A rotating handle is arranged on the outer wall of the robot mounting seat. Shock absorption devices are arranged on the two sides of the rotating handle. Rails are arranged at the bottoms of the shock absorption devices. Two fixed plates are arranged at the bottom of the robot mounting seat. A rotating shaft is arranged between each fixed plate and the robot mounting seat. A shock absorption pad is arranged between the two fixed plates. Telescopic rods are arranged at the bottoms of the fixed plates. A reinforcement plate is arranged at the bottoms of the telescopic rods. Telescopic supporting rods are arranged at the four corners of the bottoms of the fixed plates. Shock absorption bases are arranged at the bottoms of the telescopic supporting rods. The mounting base is reasonable in structural design; through the arrangement of the shock absorption bases and the shock absorption pad, the shock absorption effect is enhanced; and through the arrangement of a limiting ring and springs, the application range is widened.

The invention discloses a special-shaped parallel groove clamp. The special-shaped parallel groove clamp includes an upper pressing component and a lower pressing component; wire clamping grooves are arranged between the upper pressing component and the lower pressing component; the outer surface and the inner surface of the upper pressing component intersect with each other at tail ends, so that tilted ends can be formed; the tilted ends are bent inwards, so that inwards-bent hooks can be formed; the tilted ends are fittingly attached to the inner surface of the lower pressing component; and the inward-bending radian of the tilted ends is larger than 90 degrees. With the above technical scheme of the invention adopted, rain will not penetrate the wire clamping grooves. The special-shaped parallel groove clamp is of an integrally-molded structure, and therefore, mechanical strength can be ensured, and at the same time, sealing requirements can be satisfied.

The invention discloses a novel intelligent pest trapping and killing device suitable for agricultural economic management, and belongs to pest trapping and killing devices. The novel intelligent pesttrapping and killing device suitable for agricultural economic management comprises a mounting rod, a fixed cross rod and a connecting rope, wherein the fixed cross rod is fixedly connected to the top end of the mounting rod; an electric winch is fixedly arranged on the fixed cross rod; the connecting rope is wound and connected to the electric winch; the tail end of the connecting rope is connected to a connecting mechanism; a driving device is connected to the connecting mechanism; a net cover is arranged around the driving device; a threaded ring is fixedly connected to the net cover; thenet cover is connected to the connecting mechanism through the threaded ring; a rotary pest killing mechanism is connected to the driving device; the rotary pest killing mechanism is matched with thedriving device; and a pest trapping mechanism is arranged in the rotary pest killing mechanism. The novel intelligent pest trapping and killing device effectively solves the problems that the design structure is simple, the function is single, and a good pest trapping and killing effect cannot be achieved.

Disclosed is a cathode roller for electrolytic deposition, in which a circumferential peripheral surface and side panels of the cathode roller are formed of a zirconium material having strong hardness, strength, and corrosion resistance to an electrolytic cell electrolyte, thereby preventing the circumferential peripheral surface from being formed into a composite oxide film by the electrolyte to adversely affect the quality of an electrolytic foil deposited from the cathode roller. According to the product, an outer side cylinder formed on the circumferential surface of the cathode roller protrudes towards the two sides of a side panel of the cathode roller; the present invention increases the width of a metal foil by increasing the contact area with an electrolyte in such a manner that both ends of the metal foil are fixed and supported, and accelerates the solidification speed from the outside to the inside with respect to external air to precipitate in a short time. In addition, the present invention is a cathode roller for electrolytic deposition in which holding rings having a plurality of holding pieces are formed on both sides of the inside of the cathode roller to maintain the firmness of the cathode roller.

The invention discloses a method for preparing amino acid toothpaste, which belongs to the technical field of toothpaste. The method comprises the following steps: A. chopping mint and squeezing the juice; B. when the vacuum degree of the vacuum paste making machine is -0.076MPa~-0.079MPa , Add sodium lauroyl glutamate, calcium carbonate, pearl powder, tooth powder, sodium laurate and xylitol into the vacuum paste making machine, start the scraper of the machine and stir while feeding, for 5 minutes to 8 minutes, the temperature 20℃~25℃; C. Add mint juice into the vacuum paste making machine in step B, stir for 6 minutes to 7 minutes, and then let it stand until the paste defoams; D. Keep the vacuum degree of the vacuum paste making machine at ‑0.095 MPa, start the vacuum paste making machine to grind the paste in step C for 50 minutes to 60 minutes, let it stand still, and then pack it. The invention provides a toothpaste with fresh taste, mild and efficient cleaning, teeth whitening, halitosis removal, gum plaque removal and other effects.

The invention refers to a mirror head (2), especially a mirror head used for an outer rear mirror of a vehicle. The mirror head comprises an integrated component (8) including a mirror cover (4), a terminal assembly (6), and at least one lens (22). The mirror cover (4) and terminal assembly (6) form a single integrated component (8), and only one mould used for injection is required. Meanwhile the mirror cover (4) does not need to be installed on the terminal assembly (6). The mirror head can reduce cost and is especially used for the n outer rear mirror of a vehicle, especially in the field of a multifunction vehicle.

The invention belongs to the technical field of packaging, and particularly relates to a combined transportation box. The combined transportation box comprises a box body, a box cover, a mounting plate, a damping air bag and first fixing mechanisms. The box cover is slidably mounted at the upper end of the box body, and a pull rod is fixedly mounted on the upper surface of the box cover. The pullrod is used for installation and removal of the box cover. The mounting plate is slidably mounted at the lower end in the box body, and the first fixing mechanisms are arranged in the mounting plate.The number of the first fixing mechanisms is four. Each first fixing mechanism comprises a pressure bearing plate, an elastic telescopic rod, a bottom plate, a rubber air bag, an arc-shaped pipe and an arc-shaped telescopic plate. The combined transportation box can safely protect canned products, prevent property losses caused by can breakage and prolong the storage time of the transportation box, the situation that mice bite the transportation box and accordingly the transportation box is damaged is avoided, and the service life of the transportation box is prolonged.

The invention provides a preparation method of composite white carbon black, the preparation method comprises the following steps: preparing a sodium silicate solution with a certain concentration, adding a certain amount of surfactant, and stirring; performing water bath constant temperature of 40-100 DEG C on the sodium silicate solution, performing continuous mechanical high-speed stirring, adding a TiCl4 solution with a certain concentration, and controlling the adding speed; and preparing silicon dioxide with high specific surface area by using a precipitation process to coat the coprecipitation core, thereby obtaining the composite white carbon black. According to the invention, silicon dioxide with high specific surface area is prepared by utilizing a carbonization process to coat the coprecipitation core, so that the inner-layer coprecipitation core is protected, and the material is prevented from shelling. The firmness of the material is guaranteed, and compared with sulfuric acid used by a traditional precipitation method for preparing white carbon black, carbon dioxide is less in harmfulness and low in cost. Carbon dioxide is absorbed, and environmental protection is achieved.

The invention discloses a cold stamping one-time forming bearing chamber bearing seat and a production method thereof, which comprises a bearing seat upper seat 1, a base 2, a bearing chamber 4, a sealing cover 3, fixing bolts, etc., and the edge 13 of the sealing cover is high on both sides and low in the middle. structure, so that the sealing cover 3 is tightly buckled and pressed in the original bearing chamber 4, and it is not easy to fall off. The bearing chamber 4 is tightly installed in the bearing seat cavity 11 surrounded by the bearing seat upper seat 1 and the base 2, and the bearing is installed in the center of the bearing chamber 4 and the sealing cover 3; the bearing seat upper seat 1 and the base 2 are provided with bolt holes; It can be fixed with the corresponding mechanical bolt holes. Because the bearing seat is produced by cold stamping technology, the bearing seat has a large pressure bearing capacity. It not only has the precision and firmness of the cast bearing seat, but also has a simple process and high toughness, which is not easy to break. It also plays a dust-proof role and prolongs the service life of the bearing. .

The invention discloses a prestressed concrete pipe pile. The prestressed concrete pipe pile comprises two fixed pedestals. According to the prestressed concrete pipe pile, the two fixed pedestals are arranged, and a shaping frame with binding and reinforcing effects is arranged on reinforcing ribs, so that the structural tightness among the four reinforcing ribs is enhanced; a locking lantern ring which is elastically supported by a strong spring and a movable support seat are arranged on the shaping frame through the reinforcing ribs, a driving piston and a driven piston which interact with each other are movably arranged in the movable support seat of a hollow structure in a sleeved mode, and reinforcing sheet metal is connected between the outer edge of a base and the inner edge of an upper outlet, so that the bearing performance and the firmness of the upper and lower ends of the concrete pipe pile are guaranteed; a shaping steel bar is connected between a sleeving plate block and the inner edge of the upper outlet, so that a telescopic connecting rod with an elastic effect is connected between the reinforcing ribs and the shaping steel bar; and the space between the two fixed pedestals is sealed through a shaping cambered plate, so that concrete is poured so as to form a concrete layer, and the fixed pipe pile with prestress is formed.

The invention relates to a preparation method of an electromagnetic shielding layer of a packaged product and the packaged product. According to the method, a compartment is firstly formed on a molding compound of a package substrate; an electromagnetic shielding layer is arranged on the inner side wall of the compartment; a package device is assembled in the compartment; the compartment is filledwith the molding compound; the molding compound is thinned; and another electromagnetic shielding layer is coated on the surface of the molding compound above the compartment to form a complete electromagnetic shielding structure around and above the compartment. The electromagnetic shielding layer prepared by the method has uniform thickness and good controllability; and the compartment is formed by a molding and sealing mold, and the compartment inside the packaged product does not need to be cut, thereby ensuring the firmness of the packaged product. The method can be used for the production of single-compartment and multi-compartment electromagnetic shielding layers, and is particularly suitable for the condition that the interior of the packaged product requires independent compartment shielding, and is good in shielding effect, simple in process and suitable for the packaged products with complicated interior structures and different compartment sizes.

The invention belongs to the technical field of plant cultivation, and particularly relates to a method for cultivating polyploid succulent plants. The method comprises the following specific steps: selecting a plurality of succulent leaves with adventitious roots, placing the succulent leaves into a liquid MS culture medium, then placing the succulent leaves into a refrigerating chamber at the temperature of 4 DEG C, and carrying out induction culture for 36 hours; taking tetraploid cells of the obtained leaf root cells, detecting the resonant frequency of cell membranes of the tetraploid cells, electrifying, and meanwhile, screening and culturing by using ultrasonic resonance irradiation; then culturing the obtained leaves until seedlings grow out, taking the leaves of the seedlings of the plants to detect the resonant frequency of the cell membranes, and culturing with a lignin culture medium by using ultrasonic resonance irradiation; culturing the obtained mature first-generation plant population as F1, screening F1 plants, culturing in batches to obtain a second-generation plant population F2, and selecting pure tetraploid F2 as a target seedling. Through the treatment method,the selection rate of chimeras can be improved, the rooting rate and development rate of polyploids can be improved, meanwhile, the nutrient content of plants is high, the root system is developed, and an effect of stable heredity is achieved.

The invention discloses automatic punching rivet. The automatic punching rivet comprises a riveting mechanism, a punching and riveting mechanism and a fixing mechanism, wherein the riveting mechanismcomprises a mounting cylinder and a hammering piece, the hammering piece is installed at the upper end of the mounting cylinder, threads are arranged on the outer side of the mounting cylinder, the punching and riveting mechanism is installed on the inner side of the riveting mechanism, the punching and riveting mechanism comprises a punching hammer, a riveting piece and a first spring, the punching hammer is movably installed at the upper end of the inner side of the mounting cylinder through threads, the riveting piece is movably installed at the lower end of the inner side of the mounting cylinder, a rotating handle is fixedly arranged at the upper end of the punching hammer, and the first spring is installed between the rotating handle and the hammering piece. According to the automatic punching rivet, two materials needing to be riveted are fixed, the fixing mechanism is used to fix rivets to the position where the two materials are riveted, the punching and riveting mechanism isfixed through the riveting mechanism, meanwhile, the riveting piece is driven by the punching and riveting mechanism to fix the two materials, so that stability and firmness of riveting of the two materials are ensured.

The invention discloses a manufacturing method of a large-diameter cylinder prefabricated body. The manufacturing method comprises the following steps: 1, preparing a special mold for the prefabricated body; 2, preparing a cylinder inner wall woven carbon cloth / net tire composite material needling unit layer; 3, preparing a first carbon fiber prepreg cloth isolation layer; 4, preparing a net tire / carbon fiber circulating unit layer; 5, preparing a second carbon fiber prepreg cloth isolation layer; 6, preparing a cylinder outer wall woven carbon cloth / net tire composite material needling unit layer; and 7, preparing a flange woven carbon cloth / net tire composite material needled layer to obtain a large-diameter cylinder prefabricated body with the diameter larger than 3 m. The annular sandwich design is adopted, a core heat insulation layer is wrapped, mechanical supporting of the prefabricated body in a furnace is achieved, the stability and firmness of the overall structure are guaranteed, the annular sandwich area is a low-density area and has excellent low-heat-conductivity performance and heat insulation effect, compared with a pure C / C prefabricated body structure, heat loss is greatly reduced, and the method is energy-saving, environment-friendly and extremely economical.

The invention discloses a method for quickly installing a cabinet body. The method comprises the steps of: processing two side plates and a door plate; processing a back plate, a top plate and a bottom plate, drilling installing holes for connecting hidden hinges in the back plate, the top plate and the bottom plate, respectively drilling pin holes for connecting wood pins in the top plate, the bottom plate and the back plate, carrying out grooving on the back plate, the top plate and the bottom plate, and then assembling the cabinet body. According to the method for quickly installing the cabinet body, disclosed by the invention, a previous three-in-one connecting method is changed, the working efficiency is greatly increased, the labor is reduced, and the construction and installation efficiency is quickened; meanwhile, the weight capacity of the cabinet body is also greatly increased, the firmness of a cabinet body structure is enhanced, and the stability that the strength of the cabinet body is constant after the cabinet body is repeatedly disassembled, assembled and recovered is enhanced; the installing efficiency of the cabinet body can be obviously increased, the labor cost and the installing cost are effectively reduced, and the stability that the strength is constant after the cabinet body is repeatedly disassembled, assembled and recovered can be fully ensured.