37results about How to "Solve bad problems" patented technology

The invention relates to a geological disaster prevention and control system and method for preventing flood and debris flow, and belongs to the technical field of geological disaster prevention and control. The geological disaster prevention and control system comprises a separation system, an energy dissipation system, a silt parking and desilting system and a diversion canal; the separation system comprises more than one stone retaining ditch and a water retaining gate; the energy dissipation system comprises a speed reduction slot, an anti-climbing baffle, an anti-impact baffle and a siltseparation passage; and the silt parking and desilting system comprises a silt parking place, a silt inlet, a flume, a silt discharge gate and a silt discharge passage. According to the invention, thebreakout characteristics and provenance properties of debris flow and flood are sufficiently considered; by arranging the separation system, the energy dissipation system, the silt parking and desilting system and the diversion canal, the debris flow is subjected to energy dissipation; if flow and an impact force of the debris flow or the flood are excessive, multiple stages of geological disaster prevention and control systems for preventing the flood and the debris flow can be arranged along the outside of a riverway or a cheuch so as to implement staged energy dissipation and decrement ofthe debris flow, carry out staged component control on the debris flow disaster and implement geological disaster prevention and control on the flood and the debris flow.

The invention relates to the field of tunnel construction, in particular to an assembling jacking method in relation to the serious collapse of a small-section tunnel. The assembling jacking method in relation to the serious collapse of the small-section tunnel is characterized by comprising the following steps: processing primary steel lining modules outside a tunnel; assembling the steel liningmodules (2) into a ring by bolts in the tunnel (1); then, jacking in by a jack (3); dividing each ring of primary steel lining into six primary steel lining modules of the same size; arranging a steel template panel on a soil facing surface; longitudinally and transversely arranging edges behind the panel; connecting the primary steel lining modules by bolts; installing the jack behind a collapsesection (4), and arranging the back rest (5) of concrete; jacking with a pipe jacking construction method; and carrying out secondary lining to reinforced concrete in the inner part by the collapse section. The assembling jacking method in relation to the serious collapse of the small-section tunnel has the advantages that the technical characteristics of the pipe jacking construction method and a shield construction method are combined, the effect is very obvious, the problem that the common collapse method cannot favorably handle can be solved, and the assembling method has practicality anda market application value.

The invention relates to a tool for fast mounting and demounting an LD die bar and an elastic piece and a use method of the tool and belongs to the technical field of electronic packaging production. The tool comprises a base, a left rocker arm fixing base located on the base and a moving seat located on the base. The left rocker arm fixing base is provided with a left rocker arm and a die bar mounting and demounting clamping buckle. The left rocker arm controls the die bar mounting and demounting clamping buckle to conduct clamping and stretching. Guide rails are arranged on one side of the left rocker arm fixing base. The moving seat is provided with rails cooperatively connected with the guide rails. The die bar is arranged on the moving seat and is driven by the moving seat to move to the position of the die bar mounting and demounting clamping buckle, and the die bar mounting and demounting clamping buckle conducts clamping and stretching so as to complete mounting and demounting of the die bar and the elastic piece. By means of the tool for fast mounting and demounting the LD die bar and the elastic piece, the mounting and demounting yield of a semiconductor laser is increased, the production efficiency is improved on the premise that the quality of the product is ensured, operation defects in existing production are overcome, the phenomena that a pipe leg is bumped to be bent through the product, a light-emitting face is contaminated and a pipe seat is abnormally mounted and demounted due to manual operation are reduced, and the tool has the beneficial effects of being small in size, simple in structure, practical and convenient to use.

The invention discloses a distributed type landslide monitoring and early warning system and method based on the narrow-band internet of things, and belongs to the technical field of monitoring and early warning. A plurality of deformation sensing nodes are distributed on a landslide body and the peripheral area, the deformation sensing nodes are wirelessly connected with a Telecom base station, and the Telecom base station is wirelessly connected with a central server, a sound-light alarm and a cell phone. An alarm is not given until landslide deformation happens, a grading alarm is given according to information of a sensor, the alarm information is accurate, construction is simple, damage cannot easily happen, earth surface land utilization is not affected, cost is low, the nodes can bedeployed on the landslide body and the peripheral area, the system can be used as a disposable product and can be abandoned when problems or feeding happens, all-weather real-time monitoring is realized, and artificial monitoring work can be partly replaced.

The invention provides a secure network access processing method and device. The secure network access processing method comprises the following steps: a new node of a to-be-accessed secure network to be accessed is adopted to trigger the function of automatic configuration of security parameters; and the secure network is accessed by the new node according to the security parameters configured automatically. According to the secure network access processing method and device, the problem, that safety is low when a user does not configure the security parameter manually and user experience is bad when the user configures the security parameter manually, existing in the relevant technique is solved, so that the effect that the security parameter of secure network access can be configured without manual configuring of the security parameter and the effect that user experience can be improved effectively are achieved.

The invention relates to a ventilating device for a vehicle cab. The device comprises an air guide pipe, an air quantity regulating device positioned in the air guide pipe, an air outlet device and an air conditioning evaporator, wherein the inlet end of the air guide pipe is provided with an interface which protrudes out of a vehicle body coaming of the cab; the interface is connected with the air outlet of the air conditioning evaporator by pressing or sleeving; the tail end of the air guide pipe is connected with the air outlet device by pressing or sleeving; the air guide pipe is arranged on a vehicle body framework of the cab; and the air outlet direction of the air outlet of the air outlet device can be adjusted. The device can improve the ventilating stability and smoothness of the vehicle cab, ensures that a temperature and humidity in the vehicle cab are uniform, enhances an air conditioning effect, and reduces energy consumption, noise in the cab, production cost and using cost.

The application relates to a constant temperature nucleic acid amplification reaction reagent. The constant temperature nucleic acid amplification reaction reagent is prepared from helicase, formamide, spermidine, magnesium chloride, glacial acetic acid, UvsX protein, UvsY protein, single strand binding protein, bovine serum albumin, dNTPs, Tris alkali and constant temperature DNA polymerase.

The embodiment of the invention provides a redirecting method and device, and relates to the technical field of communications. The method comprises the following steps: receiving a redirecting message, wherein the redirecting message carries N target frequency points; detecting whether the N target frequency points are prohibited frequency points or not; and if the N target frequency points are all the prohibited frequency points, prohibiting redirection to a target network corresponding to the N target frequency points, and keeping residing in an original network. Through adoption of the redirecting method and device, the problem of increase of the power consumption of UE (User Equipment) since the UE still needs to synchronize the target frequency points and fails in synchronization once again when the UE fails in synchronizing the target frequency points and the redirecting message received once again afterwards still includes the target frequency points is solved, and the effect of lowering the power consumption of the UE is achieved.

The invention relates to a preparation method of N-(4-(2-ethylhexyloxy) phenyl)-1, 1-dioxothiomorpholino. The method is characterized by comprising the following steps of: adding 10 parts by weight of thiodiglycol and 10 parts by weight of water to a reaction kettle, then adding 1-2 parts by weight of quaternary ammonium salt as a catalyst, adding 65-75 parts by weight of hydrogen peroxide dropwisely into the reaction kettle, after dropping, preserving the heat of the mixture and allowing it to stand for one hour so as to generate bishydroxyethylsulfone, adding p-aminophenol to conduct a condensation reaction for 3 hours, then adding bromoisooctane for a further condensation reaction for 3 hours, pouring n-heptane into a product stock solution, stirring the solution and allowing it to stand, taking out the extraction phase and evaporating the solvent to dryness, thus obtaining a finished product. Application of the method provided in the invention can prepare products with an overall yield of over 86% and effective content of more than 98%, so the method is completely applicable to large scale industrial production. With substantial economic benefit, social benefit and ecological benefit, the method provided in the invention fully meets the requirements of safety, environmental protection and high efficiency that are advocated by the nation in developing low carbon economy.

The invention discloses an air circulation control method, system and device. The method comprises the steps that an image of a pet in an indoor environment is collected and transmitted to an application program, and the type and the unhairing period of the pet fed back by the application program are received; whether the pet is in the unhairing period or not currently is judged based on the typeand the unhairing period of the pet, and if yes, the indoor environment humidity is detected; whether the indoor environment humidity is larger than a preset value or not is judged, and if yes, a dehumidification mode is started to conduct dehumidification and air sweeping on the indoor environment till the indoor environment humidity is smaller than or equal to the preset value; a signal for starting a purifier is sent to the application program, and therefore the application program sends the signal for starting the purifier to control the purifier to work; position information, fed back bythe application program, of the purifier is received; and an air supply mode is started based on the position information of the purifier, and air sweeping is conducted on the position of the purifier. According to the air circulation control method, system and device, the problem that the indoor environment is poor due to unhairing of the pet can be effectively solved.

The invention relates to a firewood stove cabinet. The firewood stove cabinet is characterized in that a cooking range (4) and a smoke outlet (5) are arranged on a cabinet body (1), an oil fume extraction device is further arranged on the upper portion of the cabinet body (1), a core and an ignition device are arranged in the cabinet body (1), a fuel inlet (3) leading to the outside is arranged on the core, a flame bridge (28) and an ash damper (27) are arranged at the bottom of the core, and an ash hopper (2) is arranged under an end notch of the ash damper (27). Due to success in research and development of the firewood stove cabinet, the problems that the traditional firewood stove is low in heat efficiency and generated oily fume is difficult to treat are solved. The firewood stove cabinet is novel in design and reasonable in structure, sufficient burning of fuel can be fully guaranteed, stove ash produced by burning can be treated properly to make the kitchen clean and sanitary, and life quality is improved.

The invention relates to a double-side molding process and a die of a wheel hub bearing outer ring, which comprises the following process steps: 1) charging; 2) upsetting; 3) performing; and 4) forming. The forging die comprises a die case, a mobile female die, a die core, a lifting sleeve, a top pin and a female die pad, wherein the mobile female die and the die case are in clearance fit; the die core is fixed in the die case to cooperate with the mobile female die and a punching head to perform forming; the lifting sleeve is arranged between the mobile female die and the die core; the top pin is arranged in the female die pad; the top pin and the female die pad are in clearance fit; and the female die pad is fixed in a machine tool. Compared with the prior art, the process has the advantages of making a forged metal flow line and the working method of a track of finished bearings consistent to a maximum degree, making great contribution to the prolonging of the service life of bearings, solving a common local underfill problem of hot direct extrusion and representing a design mode breaking common rules.

The invention discloses a plastic uptake mold structure for quick demolding and a demolding method. The structure comprises a mold main body, wherein the mold main body is provided with an upper moldand a lower mold correspondingly arranged up and down; a molding cavity is downwards recessed in the top end of the lower mold; the lower mold is provided with multiple movable buckles; the movable buckles are arranged on the outer peripheral edge of the molding cavity at intervals; the movable buckles are mounted on the lower mold through a pivot shaft; the movable buckles can be arranged aroundthe pivot shaft in an up-down rotating mode; the movable buckles are provided with inner side sections positioned on the inner side of the pivot shaft, and outer side sections positioned on the outerside of the pivot shaft; a driving mechanism is arranged under the inner side sections, and is acted on the inner side sections; and when the driving mechanism pulls down the inner side sections, theouter side sections are automatically turned up at the same time to realize automatic demolding, so that the quick demolding of plastic uptake products is realized, the operation is stable and reliable, and the production efficiency and quality of the plastic uptake products are improved.

The invention discloses an integrated tail gas and waste powder treating apparatus of a complete set of equipment for regeneration and stirring of asphalt. The integrated tail gas and waste powder treating apparatus comprises a water foam sprinkling chamber, a recovered powder-tail gas mixing chamber, a waste powder humidification device, a deduster and a recovered powder conveying device. During operation, tail gas undergoes the preliminary treatment of sprinkling of primary water foam, so humidity of the tail gas is improved; then the tail gas fully contacts with adheres onto waste power (i.e., recovered powder) from the deduster, so harmful gas in tail gas of regenerated asphalt is removed, and the recovered powder falls into the waste powder humidification device; the waste powder and waste water obtained after primary treatment are mixed under stirring via the waste powder humidification device so as to form mud convenient for transporting and burying; thus, the waste gas and waste powder are treated. The integrated tail gas and waste powder treating apparatus has the advantages that the recovered powder and the tail gas of regenerated asphalt are treated in one shot; harmful components entering the deduster are substantially reduced; the problem that the recovered powder is hard to treat is overcome; and the apparatus is simple in structure and low in investment.

The invention relates to the field of organic fertilizers, in particular to an organic fertilizer harvesting device. The technical problem to be solved by the invention is to provide the organic fertilizer harvesting device. According to the technical scheme, the organic fertilizer harvesting device comprises a shoveling mechanism, a cutting mechanism, a rotary screening and filtering mechanism, apushing and splashing mechanism, a workbench, working handrails, a control display screen, wheels, electric fixing rods, mature compost to be harvested and a composted raw material pile prepared forcompost treatment, wherein the workbench is connected with the shoveling mechanism; and the workbench is connected with the cutting mechanism. The organic fertilizer harvesting device realizes compostharvesting and scattering organic compost which is not thoroughly mature yet to continuously produce compost, solves the problem that long-strip-shaped straw at the compost is not thoroughly separated, and improves separation of mature compost in mature to-be-harvested compost.

The invention relates to the technical field of chairs, and discloses a sitting posture correcting chair which comprises a table and chair plate, table legs and a backrest plate, the backrest plate is arranged at the top of the table and chair plate, a pressing mechanism is arranged in the backrest plate, the pressing mechanism comprises a pressing plate, and the pressing plate is arranged in the backrest plate. A first pressing block and a second pressing block can be extruded through two different sitting postures when a user sits on the chair, the first pressing block and the second pressing block move backwards at the same time in the normal sitting posture so that inward ventilation can be achieved, the user can use the chair more comfortably, the first pressing block or the second pressing block is extruded to sink inwards when the head of the user stretches and the user bends down in the poor sitting posture, therefore, the force bearing of an insertion rod is too large, the air is extruded out of an air pipe II, and convex teeth can extend out of the push plate, so that a user can see the situation, the problem of poor sitting posture can be effectively solved, the sitting posture can be effectively improved, and myopia is avoided.

The invention provides a windscreen wiper for an automobile rearview mirror. The windscreen wiper comprises a motor, a rocker arm and a soft cloth brush, wherein the rocker arm is connected with the motor and the soft cloth brush; and the motor is used for driving the rocker arm. Through the windscreen wiper, water on the rearview mirror can be completely scraped, a problem is solved that the rearview mirror is poor in line of sight in rainy days, the safety when a driver changes a lane and turns in the rainy days is improved greatly, and the occurrence rate of traffic accidents is reduced.

The invention discloses an unmanned aerial vehicle multi-dimensional recognition system and method, belongs to the technical field of anti-unmanned aerial vehicle recognition, and aims to solve the problems that the unmanned aerial vehicle cannot be quickly and accurately detected in a long-distance and variable-distance range and an accurate judgment result cannot be given in the prior art. The unmanned aerial vehicle multi-dimensional recognition system comprises an information acquisition unit, a spatial position positioning unit, a control unit and an early warning unit. The information acquisition unit comprises an image acquisition unit, a sound acquisition unit and a radio signal acquisition unit. Unmanned aerial vehicle image information, unmanned aerial vehicle sound information and radio signals in the target area are acquired through the information acquisition unit and transmitted to the control unit. The spatial position positioning unit acquires spatial position information of the unmanned aerial vehicle and transmits the spatial position information to the control unit; and the control unit judges whether the unmanned aerial vehicle is an unmanned aerial vehicle or not according to the information acquired by the information acquisition unit and the spatial position positioning unit and transmits a judgment result to the early warning unit.

The invention relates to a laser lamp signal processing system. The laser lamp signal processing system comprises a filtration module, an operation amplification module and a power module, wherein a signal input end of the filtration module is connected with a signal input end of an external ILDA (International Laser Display Association); a signal output end of the filtration module is connected with a signal input end of the operation amplification module; the filtration module is used for filtering an ILDA signal; a signal output end of the operation amplification module is connected with a signal output end of the external ILDA; a cathode wiring end of the operation amplification module is connected with the power module; the operation amplification module is used for amplifying the ILDA signal; the power module is used for supplying power to the operation amplification module. Compared with the prior art, the laser lamp signal processing system has the advantages that the signal intensity is enhanced, and the system is stable in operation.

The invention discloses a turntable air cushion vehicle for a stage, and relates to the technical field of stage equipment to solve the technical problems that an existing air cushion vehicle cannot move at will and the orientation of a loaded object cannot be rapidly adjusted. The turntable air cushion vehicle comprises a rectangular rack, wherein mounting cavities are formed in the bottom of therectangular rack at positions close to four corners; air cushions are arranged in the mounting cavities; all the air cushions are connected with an air compressor fixed in the rectangular rack; a driving mechanism is arranged at the bottom of the rectangular rack; the driving mechanism comprises a placement column groove formed in the center of the bottom of the rectangular rack; a rotatable rotating column is clamped in the placement column groove; a movable cavity is formed in the bottom center of the rotating column; a retaining column capable of only moving up and down is arranged in themovable cavity; a compression spring is arranged between the top surface of the retaining column and the bottom surface of the movable cavity; rollers are arranged at the bottom of the retaining column and connected with a first driving motor; a second driving motor is arranged at the bottom of the rectangular rack and connected with a rotating shaft; and a bevel gear is fixed to the end of the rotating shaft.