222results about How to "Rapid transit" patented technology

The invention relates to a method for quickly repairing and reinforcing a post-earthquake damaged pier. A member of the post-earthquake damaged pier is not required to be straightened. The method comprises the following steps of (1), cleaning, (2), gouging, (3) injecting glue, (4), embedding steel bars, (5), pouring, and (6), winding cloth, wherein in Step (1), loose concrete in a plastic hinge area is cleaned, and a bulged steel bar is straightened rather than replaced; in Step (2), steel bar embedding grooves are formed in a near surface, namely a protective layer of the pier, and fragments in the grooves and the surface of the concrete at the peripheries of the grooves are cleaned; in Step (3), the steel bar embedding glue is injected into the steel bar embedding grooves; in Step (4), fiber steel bars are washed cleanly by industrial alcohol, and mounted in the steel bar embedding grooves after dried, and the external surfaces of the fiber steel bars are covered with the steel bar embedding glue and floated; in Step (5), a formwork is erected after the steel bar embedding glue is solidified, and repair concrete of the plastic hinge area is poured; and in Step (6), after the repair concrete is solidified, the formwork is dismounted, and wound with three layers of fiber cloth, and the winding height is kept consistent with the steel bar embedding height. The method can quickly repair the damaged pier, and allow the repaired and reinforced pier to have sufficient bearing capacity.

The invention relates to a water-borne epoxy composite-containing emulsified asphalt cold-recycling agent and a preparation method thereof. The cold-recycling agent is prepared from the following components in parts by mass: 100 parts of emulsified asphalt and 10-20 parts of water-borne epoxy composite, wherein the water-borne epoxy composite comprises a component A and a component B, the component A is prepared from the following ingredients in parts by mass: 100 parts of water-borne epoxy emulsion, 10-25 parts of waterborne blocked polyurethane, 0.5-2 parts of associated thickener and 0.5-2 parts of coupler, and the component B is prepared from the following ingredients in parts by mass: 100 parts of an amine water-borne epoxy curing agent and 10-20 parts of accelerant. Compared with the prior art, the water-borne epoxy composite-containing emulsified asphalt cold-recycling agent belongs to a homogeneous system, has an excellent low-temperature flexibility, high-temperature stability, excellent water stability, good abrasion resistance and high early strength while the strength is improved, and the mixed material has excellent pavement performances and can be directly applied to the surface layer of pavement.

The invention discloses a fertilizing method of enhancing wheat nitrogen use efficiency and lodging resistance. The fertilizing method of enhancing the wheat nitrogen use efficiency and the lodging resistance comprises the following steps: 1, fertilizing with nitrogen, phosphorus and potassium compound fertilizer before seeding; 2, determining normalized difference vegetation index (NDVI) value in an arising period and a jointing stage, conducting variable rate fertilization according to magnitude of the NDVI value, and improving potassium element application rate; 3, in the middle and later periods of wheat grouting, spraying KH2PO4 on leaves. By improving base fertilizer and fertilizing strategy (reducing base fertilizer application rate, especially reducing nitrogen element application; converting traditional phosphorus and potassium basal application to basal and fertilizing application ), the fertilizing method of enhancing the wheat nitrogen use efficiency and the lodging resistance utilizes K+ free of volatility and relative low in drip washing performance to promote absorption of the wheat on soil NO3- strong in leachability, and improves utilization efficiency of the wheat nitrogen element. Meanwhile, by improving the potassium element application rate, the fertilizing method of enhancing the wheat nitrogen use efficiency and the lodging resistance promotes mechanical strength of a stalk, and strengthens the wheat lodging resistant performance.

The invention discloses intelligent sorting equipment for small-batch sheet type scattered devices. The equipment aims to solve the problem that small-batch bulk components after secondary screening of electronic components in the military industry cannot be produced by using automatic equipment. The accurate-positioning and non-destructive-picking intelligent sorting equipment for the small-batchsheet type scattered devices are designed through integrated research and development on a feeding vibration module, a mechanical sorting system, an image recognition system, a material placing module, software development and the like. According to the equipment, as a new breakthrough of intelligent manufacturing in the field of electronic assembly, under dragging by software, the feeding vibration module is driven to carry out turning-over treatment on the sheet type scattered devices, the software is switched to drive the image recognition system to realize automatic recognition and framejudgment of the sheet type components, the software commands and drives the mechanical sorting module to intelligently grab the sheet type scattered devices, accurate grabbing of 0402 packaging can beachieved, the software sets material placement to realize the high-precision array sorting and arranging of the sheet type scattered devices, and the sorting quantity and the operation period can further be clearly recorded.

The invention discloses a compound fertilizer for wheat production increase. The compound fertilizer is characterized by comprising the following raw material components in parts by weight: 50-60 parts of bran dregs containing 8-12% of bamboo shoot skin, 7-9 parts of pig manure, 2-3 parts of molasses, 1.2-1.5 parts of a fermenting agent, 8-12 parts of urea, 3-5 parts of calcium superphosphate, 3-5 parts of monopotassium phosphate, 3-5 parts of a micronutrient fertilizer, 4-6 parts of citrate soluble magnesite, 8-10 parts of fulvic acid containing 12-15% of turfy soil and 0.8-1.2 parts of a plant growth regulator. According to the compound fertilizer provided by the invention, the fermentation time is shortened, the prepared fermented fertilizer is high in loose degree, the organic content can reach 30% or above, the content of nitrogen phosphorus and potassium nutrients is 26-28 g/kg, the nutrients are abundant and can be quickly absorbed by crops, the soil moisture preserving and fertilizer retaining capacity is improved; the multi-element fertilizer is a nutrient substance necessary for crops, can be quickly absorbed, transferred and utilized by crops; with the advantage that acid radicals are neutralized and nutrients are provided by citrate soluble magnesite, as well as the promoting effect of the growth regulator on crop growth, the efficacies of enhancing drought resistance and stress resistance as well as promoting growth of crops are achieved.

The invention provides a compound fish peptide protein for feed and a preparation process thereof. The compound fish peptide protein for the feed comprises 6-8 parts by weight of fermented soybean meal and 2-4 parts by weight of fish soluble, wherein crude protein content of the fermented soybean meal is more than or equal to 50%, and DM of the fish soluble is more than or equal to 90%. High-quality peptide and protein raw materials are adopted, small peptide content is more than or equal to 12%, nutritional value is high, cost is low, and part of fish meal and blood plasma can be replaced.

The invention discloses an RFID-based injury testing classifying and wounded personnel transportation system which comprises the components of a WiFi-based wireless local area network which is established in a temporary rescue center, a frontend command control center, a portable acquisition terminal and an RFID injury testing classifying label. The invention further discloses an injury testing classifying information processing method for the system. A data processing process is divided into a data acquisition period and a data processing period. In each period, data operation is performed ina streamline manner. Multiple threads are established. A buffering container is established between the data acquisition period and the data processing period. First-id information is accurately acquired in time through a buffering queue, a thread pool and a database connecting pool. The system has advantages of efficiently and scientifically scheduling first-aid resources, improving first-aid success rate of emergent severe injured personnel, and reducing damage caused by misdiagnosis and improper first-aid measures.

The invention relates to a caterpillar type straw pick-up vehicle, and belongs to the technical field of agricultural machines. The caterpillar type straw pick-up vehicle comprises a caterpillar type chassis, a pick-up table and a grass collecting box, and a conveying gap bridge is communicated between the pick-up table and the grass collecting box; the pick-up table comprises a grass poking roll shaft, a pick-up roll shaft and an auger, the auger is arranged adjacent to an inlet of the gap bridge, the two ends of the grass poking roll shaft are hinged to the pick-up table through connecting rods, the grass poking roll shaft and the pick-up roll shaft are arranged vertically oppositely and are capable of rotating in opposite directions, multiple poking teeth are fixed to the grass poking roll shaft along the axis, multiple elastic teeth are fixed to the pick-up roll shaft along the axis, the poking teeth on the grass poking roll shaft and the elastic teeth on the pick-up roll shaft are arranged alternately, and the projection, in the axial direction, of the track formed by rotational scanning of the poking teeth on the grass poking roll shaft coincides with that, in the axial direction, of the track formed by rotational scanning of the elastic teeth on the pick-up roll shaft. The caterpillar type straw pick-up vehicle is capable of picking up and harvesting straw in a common smashed state and capable of collecting and transferring straw bundles.

The invention relates to a graded broken stone filling type semi-flexible composite pavement mixture, which comprises the following components in parts by mass: 100 parts of graded broken stone; 4-6 parts of water and 6-10 parts of a grouting material. The grouting material comprises cement, water-based acrylic resin, a volcanic ash material and water. The grouting material is poured into the graded broken stone. The semi-flexible composite pavement mixture can be constructed at normal temperature, thus effectively solving the rutting problem of asphalt pavements and improving the durability of the pavements. The environmental pollution caused by hot mix construction of a filled semi-flexible pavement can be reduced. The construction efficiency of a filled composite pavement is improved, and the production cost is reduced.

The invention relates to the technical field of transportation facilities, in particular to a highway and railway combined transporting intelligent transport vehicle. The highway and railway combinedtransporting intelligent transport vehicle comprises a vehicle body, a track wheel driving system, a highway wheel driving system and a power supply, wherein the track wheel driving system, the highway wheel driving system and the power supply are connected with the vehicle body; a lifting rotation mechanism is arranged at the bottom of the vehicle body; the highway wheel driving system can lift relative to the track wheel driving system so that the bottom of the highway wheel driving system is higher than or lower than the bottom of the track wheel driving system so as to realize switching between the highway wheel driving system and the track wheel driving system; the track wheel driving system and the highway wheel driving system are driven by the power supply; and an extended-range power generator connected with the power supply is also arranged on the vehicle body. According to the highway and railway combined transporting intelligent transport vehicle, automatic switching betweenthe track wheel driving system and the highway wheel driving system can be independently realized, flexible transportation between highways and railways can be realized, and rapid transferring of goods between the highways and railways can be realized.

The invention discloses an unmanned aerial vehicle automatic hangar, and relates to the field of unmanned aerial vehicles. A transferring jacking mechanism is used for taking out an unmanned aerial vehicle storage unit from a corresponding unmanned aerial vehicle storage area, storing the unmanned aerial vehicle storage unit into the corresponding unmanned aerial vehicle storage area, and carryingthe unmanned aerial vehicle storage unit to move; a movable carrier is used for carrying the unmanned aerial vehicle automatic hangar to move; a wireless charging system is used for wirelessly charging an unmanned aerial vehicle in the unmanned aerial vehicle storage unit; a power supply system is used for supplying power to the unmanned aerial vehicle automatic hangar; and a control system is used for controlling a garage door, a locking device, the transferring jacking mechanism, the wireless charging system and the power supply system, and automatic take-off, landing, storage and chargingof the unmanned aerial vehicle are achieved. The hangar is improved and designed, a large number of traditional workers are prevented from participating in the operation process, automatic take-off, landing, storage and charging of the unmanned aerial vehicle are achieved, the operation efficiency of the unmanned aerial vehicle is improved, and the probability of operation faults is reduced.

The invention discloses high-precision attitude adjustment equipment for a thin-wall cabin of a large spacecraft. The high-precision attitude adjustment equipment comprises a first cabin body platform, a second cabin body platform, a first fixed bracket assembly, a second movable bracket assembly, a guide rail sliding block assembly, a third movable bracket assembly, a fourth fixed bracket assembly, universal trundles, adjusting supporting legs, an active executing mechanism, a follow-up executing mechanism, an axial limiting mechanism, an auxiliary supporting device, a position feedback assembly, a first control system, a second control system, a transfer structure and a hoisting structure. According to the high-precision attitude adjustment equipment, three-point synchronous active cooperative driving and online two-stage compensation technologies are adopted, so that the risk of cabin deformation caused by differential rotation is avoided, a self-adaptive follow-up axial displacement device is designed to carry out axial pre-compression in real time, good adaptation in a narrow space and a limited area is achieved, the rigidity of the overall structure of equipment is guaranteed, and the influence of deformation on cabin precision measurement is reduced.

The preparation technique of protein medicine microsphere carrier with small grain size includes the following processes: under the condition of a certain pressure applying electric field and pulse frequency between pinhole and gel bath, making the mixed soliquoid of sodium alginate and hemoglobin pass through pinhole and drop into the gel bath containing divalent cation, and solidifying so as toobtain the alginate microphere for carrying protein. The main component of raw material liquor includes sodium alginate, Hb, non-ionic surfactant, and the main component of gel bath includes CaCl2 orBaCl2, polyvinyl alcohol, propanol and non-ionic surfactant.

The invention discloses an oxygenator fixing device and a modular ECMO (Extracorporeal Membrane Oxygenation) frame vehicle using the same. The modular ECMO frame vehicle comprises a base part, a column part arranged on the base part and a lamination board part detachably arranged on the column part, wherein one side of the column part is provided with a first oxygenator fixing device body, the other side of the column part is provided with a second oxygenator fixing device body, the first oxygenator fixing device body comprises a first support and a positioning base, the first support comprises a positioning part and a movable arm assembly which are connected with each other, and the movable arm assembly can stretch out and draw back. The positioning base comprises a base body and a positioning disc arranged on the base body, the base body is detachably connected to the movable arm assembly, and a plurality of positioning bodies are arranged in the circumferential direction of the positioning disc. According to the oxygenator fixing device and the modular ECMO frame vehicle using the same, all components and accessories of ECMO are integrated, an ECMO transferring system is formed,transferring can be rapidly conducted, and the transferring device is simple in structural design, low in production cost and suitable for mass production, and can effectively improve the working efficiency of doctors.

The invention discloses an adjustable four-way vehicle paving track for stable running of a forklift. The track comprises a plurality of track structures arranged on the ground of a warehouse, and each track structure comprises a leveling unit, a plurality of lifting units, a track unit and two turnover units, wherein each leveling unit is arranged in a leveling groove in the length direction of the leveling groove; the lifting units are fixedly arranged on the upper end face of each leveling unit at intervals; the lower end of each track unit is arranged in the corresponding leveling groove and fixedly connected with output shafts at the top ends of the multiple lifting units, and the upper end of each track unit is arranged in a track mounting groove; and the two turnover units of each track structure are rotationally arranged on the two side walls of the corresponding track mounting groove. According to the adjustable four-way vehicle paving track, under the condition that a four-way vehicle crashes, the forklift can stably pass through the track mounting groove, so that the safety of the forklift for transporting precise instruments is improved, the transportation efficiency of goods is improved, and rapid transfer of the goods in the warehouse is achieved.

The invention relates to a mechanical seed dropping and harvestingdevice for marine buoyancy raft oyster culture. The bottom of a culturing raft frame is provided with buoyancy tanks which are provided with a steel frame, and the end portions of the steel frame are provided with connecting piles; the culturing raft frame is provided with a first pulley which is provided with a drawing cable, the lower portion of the drawing cable is provided with quick fasteners at intervals for hooking a main cable, branch cables are suspended on the main cable, and oysters or oyster carriers are attached to the branch cables; a truss is arranged on a loading ship, the sides of the loading ship are provided with connecting pipes matched with the culturing raft frame for fixing the culturing raft frame onto the sides of the loading ship; the direction of the main cable on the truss is perpendicular to that of a beam; the loading ship is provided with a lifting power block which is provided with a second pulley corresponding to the first pulley. The mechanical seed dropping and harvestingdevice for marine buoyancy raft oyster culture achieves rapid transportation of oyster culturing raw materials, solves the problems of labor required during dropping and harvesting of marine oyster culturing processes and can complete dropping, harvesting and transportation with assistance of only a few workers, thereby improving the efficiency.

The invention provides epoxy type elastic concrete and a preparation method thereof. The epoxy type elastic concrete is formed by mixing a component A with a component B and a component C in the mass ratio of the component A to the component B to the component C being 2 to 1 to (2.5-3.5), wherein the component A consists of bisphenol A type epoxy resin, a diluent, a flexibilizer and a coupling agent; the component B consists of a modified polyamine curing agent, and a phenolic aldehyde acidamide curing agent; and the component C consists of rubber granules and rubber powder. The epoxy type elastic concrete can be rapidly mounted, after normal construction, early strengthening can be achieved after two hours, and normal traffic can be restored rapidly; the elastic concrete is made from an epoxy resin type gel coagulation material and good in bonding strength; the elastic concrete contains rubber components, is good in elasticity, and is excellent in properties of abrasion resistance, vibration absorption, noise reduction, sound attenuation and the like; the elastic concrete is watertight, is resistant to frost thawing circulation, and does not form holes. The epoxy type elastic concrete can be widely applied in the fields of perfusion of bridge expansion seams, peripheries of tramcar tracks, railway switches and the like.

The invention provides a material transferring mechanism. The material transferring mechanism comprises a driving assembly, a connecting assembly and a grabbing part, wherein the driving assembly is in driving connection with the connecting assembly, the grabbing part is connected with the connecting assembly, the grabbing part is used for grabbing an object, and the grabbing part can be adjustably arranged relative to the connecting assembly in position. According to the material transferring mechanism, the problem that the automation degree of a material transferring mechanism in the prior art is low is solved.

The invention discloses an automatic sucking device for disc-like parts. The automatic sucking device comprises a middle fixed disc, a hanging rod, four fixed jaws, four movable jaws and a main sucking disc, wherein the hanging rod is fixedly arranged on the upper plane of the middle fixed disc; the main sucking disc is connected to the bottom of the middle fixed disc through a stainless steel air pipe; the four fixed jaws are respectively arranged along the four diagonal lines of the middle fixed disc; and the four movable jaws are respectively arranged at the upper parts of the four fixed jaws and are telescopically adjusted along the fixed jaws. In such a way, the automatic sucking device for the disc-like parts sucks and transfers various disc-like parts and is capable of sucking a plurality of disc-like products once, convenient and reliable in suction, high in transfer speed and free of any human-assisted carrying.

The invention relates to bulk material conveying equipment, in particular to a discharging belt system with rotating and pitching movements. The discharging belt system comprises a rotary base, a rotary supporting device, a pitching dual hydraulic cylinder and a rotary driving mechanism. The body of the discharging belt system is a steel structural rack. One end of the steel structural rack is hinged to the rotary base, and the other end is hinged to the pitching dual hydraulic cylinder. A belt steel structure rack of a supporting belt is placed above the rotary base, and the belt is arranged on the belt steel structure rack. One end of the belt is a feeding end, and the other end is a discharging end. The system has independent pitching and active rotating functions, has the advantages of simplicity of operation, compact structural arrangement and high reliability, and is capable of adapting to complicated on-site conditions. When the discharging belt system is fitted on the bulk material conveying equipment, in the process of conveying the bulk material or mining minerals, materials can be conveyed to a designated discharging position or equipment continuously, accurately and rapidly.