30results about How to "Easy and reasonable operation" patented technology

The present invention belongs to the technical field of concrete construction and particularly relates to a design method for a mixing proportion of a self-compacting concrete mixture. The method comprises the steps of: determining a performance design target; determining mixing strength and a water-binder ratio; determining densest gradation (or a sand rate) of aggregates and void ratios of different packing states; determining the usage amount of binding materials and mixing water; determining the usage amount of the aggregates; determining the usage amount of additives; determining the actual adding amount of the mixing water; and the like. According to the method provided by the present invention, aimed at blindness of material selection during self-compacting concrete mixing proportion design in the prior art, based on a fundamental theory of particulate dense packing and a composition rule of reaching a densest packing state of solid particulate materials with different particulate diameters, a mixing proportion of different materials is determined by an actually measured densest packing state, and relationships are established between the material mixing proportions corresponding to different densest packing states and expected self-compacting performance grades of the mixture, so that the design method used for the mixing proportion of the self-compacting high-performance concrete mixture and based on a use performance as a target is constructed.

The tripod type rotary intact soil sampler includes detachable handle, external thread drilling rod, tripod, drilling rod fixer with inner thread, diameter regulating and fixing plate, soil sample sleeve pressing plate, soil sample sleeve fixing ring, cutter, roller fixer, tripod fixing rods, bubble level, soil sample container, etc. The present invention has small size, low cost and easy carrying about, and may be used in sampling soil near the original state for geotechnical engineering and scientific research.

The invention discloses a die-cutting integrated machine with a base material adhesive tape and a protection film. The die-cutting integrated machine with the base material adhesive tape and the protection film comprises a machine station, an adhesive tape feeding system, a protective film feeding and processing system, a die-cutting system, an operation box, a control system and a power source; the adhesive tape feeding system is responsible for automatic feeding of adhesive tapes, the protective film feeding and processing system is responsible for automatic feeding of coil stock films, the die-cutting system is responsible for automatic die-cutting of the adhesive tapes and the films, the operation box and the control system are connected with the power source and various parts to control the start-up and shut-down of the various parts. A cutting method by using the die-cutting integrated machine comprises the first step of feeding adhesive tapes, the second step of feeding the protective films, the third step of setting process parameters, the fourth step of cutting which is composed of moving to locate and die-cutting, and the fifth step of checking products and packaging the products. The separation processes of the adhesive tapes and manual pasting are changed into integration production of machinery, so that protective film strips can be pasted onto the base bands of the adhesive tapes and once forming is achieved, the product quality is good, and the production efficiency is high; the operating steps are simple, convenient and reasonable by adopting the method of the integrated machine to cut, and the industrial popularization and application of the die-cutting integrated machine are facilitated.

The invention relates to a lifting-up weighing sorting system used for a logistics automatic production line and a sorting method thereof. a small and medium-sized enterprise generally uses manual work for collection, arrangement, classification and backing to a warehouse, certain large-scale manufacture enterprises increase different extra transport lines for different types of cargos and palletsfor backing to the warehouse, the efficiency is low, and the logistics cost is high. A pressure sensor is arranged at each support rod, a photoelectric sensor and a scanner are respectively arrangedat two sides of a roller conveyer, an induction end and a scanning end of the photoelectric sensor orient a gap of two support rods, the photoelectric sensor is electrically connected with a PLC controller, the scanner is electrically connected with a host computer, and a motor is electrically connected with the PLC controller. The method comprises a lifting-up heavy step, a static state weighingstep under a stable stopping state, a scanning analysis step, a decrease step, a classification step, and a dynamic weighing step. The system and the method are used for sorting the cargo.

The invention provides an air cooler filter screen device convenient to disassemble. The air cooler filter screen device convenient to disassemble comprises a fan shell and a filter screen, wherein the filter screen comprises an upper mounting plate and a lower mounting plate; a baffle plate is arranged at each of the two ends of the upper mounting plate; springs are arranged on the inner sides of the baffle plates; the tail ends of the springs are mounted on the inner wall of the upper mounting plate; a limiting plate is arranged in the upper central position of the upper mounting plate; the baffle plates fit upper convex plates; a latch is arranged at each of the two ends of the lower mounting plate; connecting rods are arranged at the lower ends of the latches; gears are arranged at the tail ends of the connecting rods; operating rods are further arranged on the gears; combination plates are arranged under the gears; and the latches fit lower convex plates. According to the air cooler filter screen device, the filter screen is mounted inside an inner cavity of the fan shell, during the disassembly and mounting process, the fan shell does not need to be disassembled, the power supply does not need to be cut off, the operation is easier, more convenient and reasonable, and time is saved.

The invention discloses a method for rapidly breeding Cynoglossus Semilaevis Gunther in a soil pond, comprising the following steps of soil pond selecting, advanced fry stocking, breeding management, harvesting and the like. The invention has convenient and reasonable operation, and the survival rate reaches more than 90 percent. The invention can also be used for breeding aquatic products of Exopalaemon carinicauda and the like.

The invention provides an intelligent binding system for cargo transportation, and belongs to the technical field of cargo transportation. The intelligent binding system solves the problem that in theprior art, the binding safety in the cargo transportation process is difficult to guarantee. The intelligent binding system for cargo transportation comprises at least two binding devices, each binding device comprises a retracting and releasing device, and each retracting and releasing device comprises a power mechanism connected with a controller and a tension sensor used for collecting a binding belt tension signal. The intelligent binding system further comprises a control center, a camera and a display input unit, the control center is arranged on a vehicle, the camera is used for collecting the cargo binding state in the transportation process, the display input unit is used for displaying the cargo binding state and the tensioning force of each binding belt and inputting the tensioning force adjusting value of each binding belt, and the control center comprises a receiving module, a main control module and a conveying module; and each controller can control the corresponding power mechanism to act when receiving the tension adjusting value control signal of each binding belt. According to the intelligent binding system, the binding safety in the cargo transportation processcan be improved.

The invention discloses a phosphate cement mortar matching method. The phosphate cement mortar matching method comprises the following steps of (1) determining target performance, including a target strength average value fMKPCM, m and consistency C0 of phosphate cement mortar, of the phosphate cement mortar; (2) according to the target intensity average value fMKPCM, m, which is set in advance, of the phosphate cement mortar, determining production strength fMKPCM, 0 of the phosphate cement mortar; (3) according to the consistency C0, which is set in advance, of the phosphate cement mortar, determining unit water use Mw0 of the phosphate cement mortar; (4) determining a water-binder ratio w/b, and according to the water-binder ratio w/b, calculating the dosage of phosphate cement; and (5)determining the dosage Ms0 of sand. By means of the method, a matching ratio of the phosphate cement mortar can be obtained accurately and fast on the basis of the target use performance, operation of the method is simple, convenient and reasonable, manpower and material resource waste brought by repeated tentative production and adjustment is avoided, and the method has good operability and practicability.

The invention discloses a slitting device of an electrolytic copper foil crude foil engine. The device comprises a base, a first slitting roller, a second slitting roller and a cutting knife, a first damping seat is fixedly installed on the left side of the base, a material conveying motor is fixedly installed on the first damping seat, a material conveying roller is fixedly installed at an output end of the material conveying motor, a supporting frame is fixedly installed on the base, a first feeding roller and a second feeding roller are respectively and rotationally installed on the two side of the supporting frame, a cutting table is fixedly installed between the supporting frame, the material conveying roller is in transmission connection with the first feeding roller through a first conveying belt, and a first pressing roller matched with the first feeding roller is rotationally installed on the supporting frame. The device is reasonable in structure and convenient to operate, the purpose of integrating slitting and cutting is effectively achieved, and meanwhile, the effect of conveniently collecting materials is achieved.

The invention relates to an application method of special resin for extracting amino acid, and relates to the technical field of resin. The application method is characterized by comprising the following steps in sequence: (1) enabling 3% to 4% dilute hydrochloric acid (HCL) to dynamically flow by resin at a flow rate of 5m/h, wherein the consumption of the hydrochloric acid solution is at least 1.5 times of the volume of the resin; (2) replacing the hydrochloric acid, then washing the resin by utilizing soft water until the pH value of the resin is neutral; (3) then washing a regenerative agent by utilizing soft water until the pH value of water discharged from the resin is 4 to 7, and then utilizing the resin; (4) running normally, controlling the flow rate of an amino acid fermenting solution, and controlling the retention time of the amino acid fermenting solution in a resin column at 30 to 40 minutes; (5) washing away free impurities by utilizing pure water or salty water resin; (6) washing amino acid in the resin by utilizing 5 to 8 ammonia water. The method is convenient and reasonable to operate, the adsorption capacity of the resin for extracting the amino acid can be sufficiently realized, and the service life can be prolonged.

The invention relates to the technical field of cups, and discloses a sterilization drinking cup, which comprises a cup body, a cover body, a flip cover, a touch display screen, a temperature sensor,a sterilization device, a connecting device and a rechargeable battery. The connecting device comprises a first connector and a second connector, the first connector is arranged at the bottom end of the flip cover, and the second connector is arranged at the top end of the cover body; the first connector comprises a power supply positive terminal, a power supply negative terminal, a first chargingpositive terminal and a first charging negative terminal; the second connector comprises a first electric connection terminal and a second electric connection terminal, when the flip cover covers thecover body, the first electric connection terminal is connected with the power supply positive terminal, and the second electric connection terminal is connected with the power supply negative terminal. The sterilization drinking cup has the advantages that temperature detection and sterilization can be automatically started after the flip cover is closed; the sterilization drinking cup is convenient and reasonable to operate, intelligent, automatic, user-friendly and high in safety.

The invention discloses a novel unmanned plant protection aerial vehicle liquid level detection device and belongs to the technical field of agricultural plant protection. The detection device comprises an installation base, a gas inlet valve, a circuit case, a measuring tube and a mobile magnet ring, and the device is installed on a liquid storage tank of the unmanned plant protection aerial vehicle; the measuring tube and the mobile magnet ring are combined to achieve the function of slide rheostat; the gas inlet valve is installed on the installation base; the circuit case comprises a round shell body and a circuit board; powered by an external power supply, when the device works, the mobile magnet ring floats on the liquid level of the liquid storage tank and slides vertically along the measuring tube as the liquid level changes, and the circuit board conducts measurement on a resistance of the measuring tube which is converted into a voltage and a current signal through a circuit. The novel unmanned plant protection aerial vehicle liquid level detection device can provide accurate, intuitive and reliable data of the liquid level of the liquid storage tank for unmanned plant protection aerial vehicle work, improves efficiency of plant protection work, and facilitates monitoring of unmanned plant protection work.