592results about How to "Low site requirements" patented technology

A simulated collision test device in the technical field of testing and a test method thereof include a drop weight type impact test module, a sensor module, a charge amplifier module, an A / D acquisition computer module, a high-speed camera module, a lighting module and a test piece to be measured. The invention is applied to detecting impact performance of high-strength steel and superhigh strength steel; and a trigger at the top of the test piece automatically triggers and samples without merely using acceleration signals to start sampling, thereby reducing the difficulty of on-treatment analysis of subsequent data.

The invention relates to the field of detection of heavy metal pollution in soil , in particular to an unmanned-aerial-vehicle hyperspectral inversion based monitoring method of heavy metal pollution in soil. The method is characterized by including: field sampling; sample pretreatment; using an x-ray fluorescence analyzer to collect content of main research elements of heavy metal pollution sources of samples; using a field spectrometer to collect laboratory hyperspectral reflectance of the samples; performing data processing on original spectral reflectance data; performing correlation analysis on measured content of the main research elements respectively with laboratory hyperspectral original reflectance data, reciprocal, logarithms, first derivative data and second derivative data with a partial least squares regression algorithm and verification and modification on models to acquire an optimal transformation method, using an unmanned aerial vehicle equipped with a hyperspectral imaging spectrometer to collect research-area hyperspectral reflectance data as to-be-measured data, and performing extensive inversion of the heavy metal content. The unmanned-aerial-vehicle hyperspectral inversion based monitoring method has the advantages of large range detachable, non-invasive and non-contact quick sample detection and the like.

The invention provides a BIM based virtual reality displaying method and system. The BIM based virtual reality displaying method comprises the steps of 1 generating a BIM building model; 2 transmitting the BIM building model to a display helmet worn by an observer; 3 utilizing a sensor installed on the display helmet to obtain observation information of a user and transmitting the observation information of the user to the BIM building model and enabling the BIM building model to receive the observation information of the user; 4 updating BIM building model data according to the observation information of the observer and repeating the step 2 to continue to execute the steps. By means of the BIM based virtual reality displaying method, required building information can be only locally displayed at the viewing angle of the observer, the burden of an image processing device is reduced, the field requirement is low, and the method is not limited by environment and enables the observer to have strong immersion and to be personally on the scene.

Disclosed is an intelligent early-stage training system for cognitive and communicating behaviors of autism children. A computer terminal is in data transmission with a hand-held terminal, and is further connected with an output terminal, a Kinect sensor is connected with the computer terminal, related information of behavior training games and treatment software is carried out on the computer terminal, the computer terminal 1 projects game pictures on a large screen, the trained autism children utilize a hand-held terminal device and software running on the device to send a command to the computer terminal, intersection between the hand-held terminal device and the computer terminal is achieved, the interactive process of the children and three-dimensional figures is completed, the Kinect sensor can detect position information of the trained children, and send the information to computer software of the computer terminal, the computer software can judge the next game process through the position information, and the whole game treatment process is completed. The system is beneficial to rehabilitation training and treatment of cognitive and communicating capability of the autism children.

The invention provides a method and a device for online detection of foreign fiber in cotton. The device comprises a cotton opener, channels, windows, a CCD (Charge Coupled Device) camera, an illumination light source, a background plate, a nozzle array, a foreign fiber channel, a foreign fiber collecting unit, a computer, an electrical equipment cabinet, operating buttons, a frequency conversionfan and a cotton conveyance pipe. The method comprises the following steps: opening lint cotton; feeding the lint cotton into the detection area of the CCD camera through the channels; performing theillumination and CCD camera sampling in three steps, and further collecting the detection results of the three steps for identifying the foreign fiber; calculating the time for nozzles in the corresponding positions to the foreign fiber to open and close by combining the action delay time of each nozzle; controlling the corresponding nozzles to operate, so as to remove the foreign fiber; and meanwhile, outputting clean cotton with the foreign fiber being removed from the clean cotton output channel, wherein, by combining the performance parameters of the CCD camera, the cotton flow rate in the corresponding area of each nozzle can be calculated from the data obtained through infrared LED illumination and sampling, and the average cotton flow rate can be further calculated; and then, the cotton flow rate in the channels can be stabilized within a per-determined range by controlling the frequency conversion fan.

The invention discloses a towing vehicle capable of being used for both roads and rails. The towing vehicle capable of being used for both roads and rails can make full use of the weight of the entire vehicle, is good in driving stability, is high in speed, and has low requirements for sites. The towing vehicle capable of being used for both roads and rails comprises a vehicle frame, a front axle, a rear axle, a front towing mechanism, a rear towing mechanism, a front guide mechanism and a rear guide mechanism, wherein a front wheel is arranged on the front axle, a rear wheel is arranged on the rear axle, the vehicle frame is a hinged type vehicle frame, the hinged type vehicle frame comprises a front vehicle frame and a rear vehicle frame, the front vehicle frame is connected with the rear vehicle frame through a pin shaft, vehicle frame driving hydraulic cylinders are respectively arranged at two sides of the vehicle frames, two ends of each vehicle frame driving hydraulic cylinder are hinged to the front vehicle frame and the rear vehicle frame respectively, a revolution rail-getting-on device is arranged at the front end of the rear vehicle frame, the front wheel and the rear wheel are both of a double-tire structure, and the center distance of each inside tire is the same as the rail gauge. The towing vehicle capable of being used for both roads and rails adopts the hinged type vehicle frame, permits both the front axle and the rear axle to be provided with double tires, guarantees that the inside tire of the front axle and the inside tire of the rear axle are contacted with a rail when the towing vehicle drives on the rail, and achieves full-wheel driving.

The invention discloses a technique for controlling pollutant discharge of coal-fired boilers, and aims to provide a method for realizing SNCR and SCR combined denitration by using a coal-fired boiler. The method comprises the following steps of: arranging a reducing agent spray gun on a flue gas channel of the coal-fired boiler at the flue gas temperature of between 600 and 950 DEG C, and arranging an SCR reactor loaded with an SCR catalyst in a tail gas flue of the boiler; and atomizing a reducing agent by the reducing agent spray gun, then spraying the reducing agent into a gas flue of a furnace chamber, and performing a selective catalytic reduction reaction on the surface of a catalyst when an exhaust gas mixed with NH3 and HNCO flows through the SCR reactor, wherein NO in the flue gas is reduced into N2. The method saves an SCR reducing agent spraying system, improves the utilization ratio of the catalyst in the process of an SNCR reaction, is convenient and easy to implement on a denitration improvement project by the existing furnace, has the denitration efficiency of over 90 percent, is suitable for furnaces burning soft coals and brown coals, is suitable for both medium-sized and large-sized boilers and has extensive application prospects.

The invention discloses a steel rail induction butt welding and heat treatment method which includes the following steps: locating two steel rails through locating pieces which are installed on the lower portions of center shafts of an induction welding device in a connected mode, enabling jaws of two sets of clamp forceps to clamp the two steel rails respectively and carry out centring, enabling an opening-closing type induction heating coil to be moved to the joint of the two steel rails with the help of auxiliary oil cylinders and wrap the steel rails, enabling two sub-coils to be in contact with electrode structures, enabling a PLC to control the induction heating coil to heat the joint of the steel rails, when the temperature reaches the preset welding temperature of 1200 DEG C to 1430 DEG C, enabling upsetting oil cylinders to exert preset upsetting force to enable the end faces of the two steel rails to be tightly welded together, enabling a protrusion eliminating device to cut welding beading at the joint of the steel rails, enabling the induction heating coil to heat the weld joint of the steel rails again, after the temperature reaches the preset normalizing temperature of 830 DEG C to 950 DEG C, starting an air blasting system to cool the weld joint of the steel rails, and enabling the two sub-coils to be separated through the locating oil cylinders to enable the jaws of the two sets of clamp forceps to be opened to loosen the steel rails. The steel rail induction butt welding and heat treatment method is automatic in operation and high in efficiency.

The invention provides a bottle stacking machine capable of feeding and discharging bottles from a low position, which comprises a low-position bottle conveying line, a low-position pallet conveying line, a low-position bottle stack conveying line and a low-position spacer plate conveying line. The bottle stacking machine can feed and discharge bottles from a low position so as to reduce the floor space and the requirements on workshop space, and simultaneously realizes high-speed bottle stacking on the bottle stacking machine. The automatic feeding of a pallet and spacer plates, the automatic discharging of pallet trays and automatic laying of a top plate can be realized on the basis of the bottle stacking machine, and the full mechanical automation during the bottle stacking process is realized. Furthermore, as the bottle stacking machine realizes the mechanical automation during spacer plate taking and laying and is provided with a clamping and positioning mechanism, the bottle stacking machine can adopt spacer plates with bottle positioning baffles, and the quality and the appearance of stacked bottles are greatly improved.

The invention discloses a Chinese medicinal health-care spirit prepared by soaking Chinese medicinal herbs into white spirit. The Chinese medicinal herbs comprise astragalus root, ginseng, American ginseng, prepared rehmannia root, angelica, Sichuan lovage rhizome, wild jujube seeds, fructus cnidii, epimedium, morinda officinalis, cistanche salsa, salvia miltiorrhiza, uncaria, tall gastrodia tuber, apocynum venetum, cassia seeds, kudzuvine root, Chinese wolfberry, haw, licorice, yam, mulberry, chrysanthemum, polygonatum kingianum, longan pulp, angelica dahurica, polygonatum odoratum and the like. The Chinese medicinal health-care spirit is safe and green health-care spirit, has an obvious effect of reducing blood sugar, blood pressure and blood fat, avoids relapse after healing, has an obvious prevention and treatment effect on three-high symptoms such as headache, fullness in head, dizziness, palpitation and diabetes as well as hand and foot pains, weakness, numbness and the like, and can be used for effectively reinforcing the sexuality; and by feeling the mouthfeel of the Chinese medicinal health-care spirit, a patient can monitor self and control own disease, and the best health state of the patient can be kept, so that the disease is extremely convenient to master.

The invention relates to a plastic sleeve concrete pile and a construction method thereof. the plastic sleeve concrete pile comprises a cover board, plastic sleeves, pile tips, concrete and sleeve joints, wherein the top of each plastic sleeve is connected with the cover board and the lower part is connected with each pile tip, every two plastic sleeves are connected by the sleeve joint, and the concrete is poured in the plastic sleeves. The construction method comprises the following steps: connecting the prefabricated pile tips with the plastic sleeves, pulling the plastic sleeves together with the pile tips into an immersed tube after lifting the immersed tube at a certain height, starting a plastic sleeve concrete pile driver to drive the plastic sleeves with the pile tips together into the pile length designed depth, lifting the immersed tube after filling water into the plastic sleeves until 1 / 2-2 / 3 of pile length but remaining the plastic sleeves and the pile tips into the foundation, pumping filled water in the plastic sleeves, and pouring a concrete pile body and the cover board into the plastic sleeves to be made into the plastic sleeve concrete pile. The plastic sleeve concrete pile has small soil extrusion action, uneasy broken pile, flexible and rapid construction, easy control of pile body quality, higher bearing capacity of single pile and good cost performance; and the pouring is not influenced by outside.

The present invention relates to a preparation method for microbial polypeptide preparation with the use of lactic acid bacteria and bacillus subtilis, and which is characterized in that the high yield enzyme and high quantity production strains is selected and trough the integration of original microwave-induction and rays-induction, wherein the production process applies the liquid-alone culture and solid-composite culture, adds special product promoter into the medium, the content of soybean peptide is high, at the same time which is rich in metabolic products such as peptidoglycan, microbial antioxidants and enzymes. The present invention has the advantage of low production cost, faster cycle, and faster absorption for animal after breeding, high daily increasing in weight, immunity enhancing, and stress rising, which has obvious effect in breeding and is a safe and high efficient new feed additive.

The invention relates to a control system used for self-propelled module transporters, and discloses a multi-vehicle multi-task cooperative control system, which comprises a power control unit, module transport vehicles and a module vehicle control unit, wherein the module transport vehicles are in mechanical hard-wired connection with each other front and back; the power control unit is connected with the first module transport vehicle and is also connected with an electronic control unit ECU of an engine; the module vehicle control unit is connected with a terminal executing mechanism of each module transport vehicle; the power control unit is connected with the module vehicle control unit; and the power control unit acquires an operational command and output data of the electronic control unit ECU of the engine and transmits the operational command and the output data to the module vehicle control unit so as to control the terminal executing mechanism of each module transport vehicle to execute corresponding operation. The multi-vehicle multi-task cooperative control system has the characteristics of adopting the module vehicle control unit to receive the operational command and to control the terminal executing mechanism of each module vehicle to execute the corresponding operation so as to realize the functions of cooperatively controlling steering, running and lifting and the like of each module transporter after splicing.

The invention relates to a method for separating and recovering product oil from waste lubricating oil and a device thereof, which relates to chemical production methods and devices. The method adopts the process that after preliminary treatment of dewatering, degassing and mechanical purity removal, multi-time intermittent rectification or multistage continuous rectification is carried out on the waste lubricating oil by thin-film evaporation and hypergravity revolving field. The device is a 1-4 time intermittent rectifying device or a 1-4 stage multistage continuous rectifying device comprising a raw material tank, a material pump and one to four thin-film evaporators, hypergravity revolving beds, condensers, coolers, finished product tanks, discharging pumps, heavy constituent receiving tanks, material pumps and reflux regulating valves. The method has high rectification speed, good product quality and high recovery rate, and meets the requirements of environmental protection; compared with short path distillation technology, the invention has smaller device volume and higher rectification efficiency and can further refine materials; the device for treating the materials with the same scale has lower requirements for field, less investment and relatively lower vacuum degree requirement.

The invention discloses a construction support and method for an overhead large-span heavy-duty cross beam. The construction support comprises a lower bracket supporting structure, an upper bracket supporting structure located above the lower bracket supporting structure, and a middle supporting structure with the bottom supported on the lower bracket supporting structure. The top face of the upper bracket supporting structure is flush with the top face of the middle supporting structure, and the upper bracket supporting structure and the middle supporting structure form a temporary supporting platform for supporting the cross beam to be constructed. A load bearing structure is erected on the temporary supporting platform. The construction method comprises the steps that firstly, the lower bracket supporting structure is installed; secondly, the upper bracket supporting structure and the middle supporting structure are installed; thirdly, the load bearing structure is erected; fourthly, the support is prepressed; fifthly, the upper cross beam is constructed; and sixthly, the support is removed. According to the construction support and method, design is reasonable, construction is easy and convenient, the using effect is good, and the problems that as for an existing floor steel pipe supporting system, cost is high, the erection process is complex, the construction period is long, the construction risk is high, the requirement for supporting stability is high, and the construction progress of the upper cross beam is affected can be effectively solved.

The invention belongs to a laser tracking technology-based target plate device and a target plate positioning method. The laser tracking technology-based target plate device includes a target plate, laser tracker targets, a base, and an adjustment device; the target plate is provided with datum identifiers through which target correction lines can be drawn; the laser tracker targets can receive and reflect laser tracker signals and are mounted on the target plate; the spatial position measurement of the target plate in an aircraft body coordinate system can be completed through the laser tracker targets; the bracket of the base can be adjusted through the adjustment device, so that the three-axial-direction translation and rotation adjustment of the target plate can be completed; and the target plate can be arranged on an aircraft target correction platform through the base, so that a target correction device can be kept stable. According to the target positioning method, the referencepoints of the target plate are spatially located in the aircraft body coordinate system; and spatial positional relations between target lines and the axes of an aircraft are calculated, so that theangle of the target plate in different axial directions can be adjusted, and therefore, the target plate maintains the same posture as the aircraft.

The invention discloses an efficient non-isothermal compression molding device and method of an ultra-precision glass lens, for solving such problems caused by the existing isothermal hot compression molding device of a precision aspherical glass lens at home and abroad as the molding period is long, the molding efficiency and production efficiency are low, the service life of a mold is short, the utilization rate of the mold is low and the manufacturing cost of a workpiece is high. The non-isothermal compression molding device comprises a workbench, a lower mold holder, an upper mold holder, a pressurizing cloud deck, a vacuum hood, vacuum connecting tubes and the like. The non-isothermal compression molding device disclosed by the invention has the characteristic of parallel operation of heating, molding, annealing and cooling processes, the production efficiency is 2-3 times as high as before, the temperature difference fluctuation of the mold in each cycle can be decreased from more than 500 DEG C to 80 DEG C, the cold-hot fatigue of the mold is effectively reduced, the service life of the mold is significantly prolonged, the utilization ratio of the mold is improved, the manufacturing cost of the workpiece is greatly reduced, the large-scale production of the aspherical glass lens is significantly pushed forward and thus the non-isothermal compression molding device has significant economic value and social benefits and also has wide market prospects.

The invention relates to an ecological organic fertilizer for preparing golden camellia tea residues. The ecological organic fertilizer is prepared by fermenting mixed raw materials and strains. The mixed raw materials comprise the following materials in part by weight: 500-700 parts of golden camellia tea residues, 150-250 parts of animal excrement and 150-250 parts of oil tea meal; the strain accounts for 0.4-2.4 percent of the total weight of the mixed raw materials; the golden camellia tea residues are waste residues extracted from golden camellia tea leaves or flowers; the strain is one or a combination of actinomycetes, mould, germs and yeast. The ecological organic fertilizer can improve the soil, improve the soil permeability and prevent and treat soil pests and can well adjust and promote crops such as golden camellia trees and solve the problems of environment pollution and waste of resources which are caused by waste.

The invention relates to a method for treating life waste. Wherein, it uses high-pressure steam catalyst hydrolysis processor; and the treatment comprises that: first using high-pressure steam treated chip condensed liquid to disinfect the waste; then classifying and selecting to picking the un-treated waste as glass, metal and rubber, and the ones which can be recycled; breaking left organic waste and feeding into high-pressure steam catalyst hydrolysis processor; chemically reacting at certain pressure, temperature and saturated steam, the energy generated in water molecule structure change will break off the molecule chain of macromolecule polymer, to reduce it into micromolecule polymer which can be absorbed by plant.

The invention belongs to the technical field of cables and particularly relates to a microgroove cable, which comprises a framework body, a plurality of framework blades, a plurality of framework slots, a reinforcing piece, a plurality of cable cores, a protective layer and a protective sleeve layer, wherein the framework body, the framework blades, and the framework slots are integrally formed; the framework blades are positioned on the edge of the framework body; the reinforcing piece is positioned in the center of the framework body; one framework slot is formed between each two adjacent framework blades; the cable cores are positioned in the framework slots; the framework blades are coated with the protective layer; the protective layer is coated with the protective sleeve layer in an extrusion manner; the microgroove cable is characterized in that the outer edges of the framework blades, and the outer edges of the framework slots are positioned on the side surface of the same cylinder, and at any cross section, the midpoint of the connecting line of the two ends of the opening of each framework slot and the connecting line of the top point of the bottom of each framework slot do not pass through the center of the reinforcing piece; all the framework slots are in the same direction. The microgroove cable has the main benefits as follows: the microgroove cable is easy to produce, higher in qualification rate of finished products, low in production equipment input, less in resource consumption, higher in product density, and more stable in product quality.

The invention discloses a captive balloon system which is mainly formed by four parts of a captive balloon ball body, a captive mooring rope, balloon-borne equipment, a safeguard shelter and the like.The captive balloon ball body is of a single capsule structure; furthermore, an inflation valve, a deflation valve, a caution light, a pressure measuring port, a lateral inhaul cable and the like arearranged on a capsule; the inside of the safeguard shelter is divided into an equipment cabin and a monitoring cabin, and a first winch, a power supply and distribution device, a gas supply device, asystem control platform, an air conditioner, a chair and the like are highly integrated; thus, a space is provided for installation and storage of system equipment and comfortable control of the system. The captive balloon system disclosed by the invention has the advantages of convenience in operation, quickness in deployment, good wind resistance, good guarantee, low site requirement and adaptability for long-time deployment in remote area or under severe environment conditions.

The invention relates to a microorganism preparation used for eliminating the effect of anti-nutritional factors and is characterized by consisting of the following materials by weight percentage: 28 to 35 percent of bacillus subtilis, 45 to 53 percent of lactobacillus plantarum and 12 to 27 percent of yeast of brewer; a preparation method of the microorganism preparation comprises the following steps: the production of the strain is produced by combining the ray induction and production performance test, the production strain with high yield and large enzyme production are screened, the production technique adopts the technology of liquid single culture and solid composite culture, product accelerators are added into the culture medium so as to lead the product to be rich in active metabolites such as beneficial living bacterium, enzyme, peptide, polysaccharide and amino acids, and the like; after the feed material and complete feed are added with the microorganism preparation, the effect of anti-nutritional factors to the nutrient components in the feed can be eliminated greatly, the palatability of the feed is improved, feed intake is improved, stress resistance and immunity of the cultured animals is enhanced, group uniformity is improved, the growing speed and feed utilization can be improved and the culture cost can be reduced.

The invention discloses an application of a Chinese medicinal herb layer feed additive. The Chinese medicinal herb layer feed additive and a layer basal diet are mixed together according to a weight ratio of (1-10):(90-99) to form a layer feed for feeding layers, wherein the additive comprises the following Chinese medicinal herb components: hawthorn, astragalus root, sealwort, Chinese angelica root, herba epimedii, codonopsis pilosula, curcuma aromatic, medicated leaven, folium artemisiae argyi, bark of eucommia, spina date seeds, serissa serissoides, purslane, glossy privet fruits, nettle, mulberry, polygonatum odoratum, phyllanthus emblica, cyrtomium fortune, carthamus tinctorius, cassia seeds, eclipta alba, herba cistanches, broom cypress fruits, geum urbanum, herba aristolochiae, mint, herba dendrobii, pine needle meal and licorice. The additive applied to the layer feed can directly kill and inhibit bacteria and adjust the immune function of an organism, has a non-specific antibacterial effect, does not generate dependence, and can improve the production performance of layers, improve the laying rate and egg quality, and reduce the cholesterol level of eggs.

The invention discloses a teak low-chipper sprout-promotion rapid-propagation seed-growing method. Seeds are soaked by lime water and gibberellin and then sowed, then seedlings are transplanted into a first nutrition substance container to cultivate mother seedlings to a stage when leaves are mutually overlapped, then the seedlings are graded and arranged according to certain planting space, when ground diameter of the mother seedlings is 0.4-0.8cm, the mother seedlings are planted into a plastic pot with a bottom support to be bred, wherein the mother seedlings are not separated from container cups, and second nutrition substance is arranged in the plastic pot. After 10-15 days, the mother seedlings are cut at a position where base parts of the mother seedling are close to the ground to promote sprouting, collecting cuttings and arranging the cuttings in a container cup provided with third nutrition substances in cottage mode, growing seedlings on an elevated seedling bed in a plastic greenhouse, controlling air temperature and relative humidity of a cottage bed by utilizing a greenhouse temperature and moisture adjuster, and thus obtaining teak container cottage seedlings. By means of the teak low-chipper sprout-promotion rapid-propagation seed-growing method, cottage branches are short, interval time of cutting collection is shortened, breeding efficiency is improved, field condition requirements of nursery gardens are not strict, management is convenient, cutting quality is easy to control, cottage survive rate is high, and economic benefit is good.

The invention discloses an installing method for a bridge crane in an enclosed environment workshop, and belongs to the technical field of hoisting device installing. The installing method includes the steps that a crane beam rail in the original workshop is retested, and a main beam supporting frame used for containing and assembling a main beam is manufactured; devices on the main beam are assembled through an auxiliary crane, the main beam is hoisted through a large crane, after the main beam is installed, end beams of the main beam are not connected, two large cranes are located on the two sides of the end beams, and hoisting lugs of two truck-mounted cranes are arranged at the ends of a main trolley; after the main trolley is evenly hoisted to be in place, assembling is carried out; and installing of the main beam bridge crane is completed. According to the installing method, the requirement for a site in the workshop is not high, the roof of the workshop does not need to be dismantled, the large crane is not used, ground assembling is rapid, hoisting is once achieved, the working efficiency is high, and the upper-air operational quantity is small; and the installing method has the beneficial effects that the practical hoisting time is short, the practicability is high, and the like.

The invention discloses a simply supported structure bridge horizontal swivel construction system and a simply supported structure bridge horizontal swivel construction method. The system comprises a beam body, two bridge piers, at least one temporary pier, a slide way beam and a pushing device, wherein the beam body is provided with a fixed end and a movable end; the two bridge piers comprise a first bridge pier and a second bridge pier; the fixed end is supported on the first bridge pier; a rotary supporting seat is arranged below the fixed end; one end of the slide way beam is supported onthe temporary pier, and the other end of the slide way beam is supported on the second bridge pier; the movable end is supported on the slide way beam; and the pushing device is arranged on the slideway beam. During horizontal swivel construction, the pushing device pushes the movable end to slide on the slide way beam so as to push a beam body to a design position; because the beam body has thesame stress condition as that of a design operation stage, the method is suitable for construction of various bridges and has high universality; meanwhile, the system and the method have the advantages of low requirement on sites, short sliding distance of the movable end of the beam body and less construction of a temporary structure.

The invention belongs to the filed of marine technologies, and relates to an experimental facility for a falling body slamming experiment. The experimental facility comprises a falling body model (9), a gate-type model lifting framework, a pulley set, a hand grab (8) and an ejection rod (15). The pulley set is fixed on the gate-type model lifting framework, the hand grab (8) is fixed at the front end of a steel wire rope connected with the pulley set, and a grabbing shaft (16) is fixed on the upper portion of the falling body model (9). The hand grab (8) comprises two sets of upper grabbing arms (12) and two sets of lower grabbing arms (13), and one upper grabbing arm (12) and one lower grabbing arm (13) on the same side are connected through a hinge pin (14) with a hole in the middle respectively. For the two hinge pins (14), the hole in the middle of one hinge pin (14) is a threaded hole (20), and the hole in the middle of the other hinge pin (14) is a locating hole (21). The experimental facility can lift and release the falling body model easily, safely and reliably, and the experimental facility is low in cost.

The invention discloses a novel tilt-rotor unmanned aerial vehicle attitude control system. The system comprises two parts of a hardware circuit and control software, wherein the hardware circuit comprises a main control chip, a gyroscope, a sensor, a remote controller, a heading attitude control mechanism and a tilt-rotor execution mechanism, the main control chip captures an instruction of the remote controller through wireless transmission, an expected attitude of the remote controlled instruction is compared with a real-time attitude monitored by the gyroscope, a compared result serves as controlled input quantity, and a corresponding control command is output after the input quantity is operated and processed by the main control chip. By means of close integration of software and hardware, an unmanned aerial vehicle can detects real-time attitudes of the vehicle and controls movement of the heading attitude control mechanism and the tilt-rotor execution mechanism according to the remote controller instruction, and the aircraft mode can be freely switched between a fixed wing aircraft and a rotorcraft. According to the novel tilt-rotor unmanned aerial vehicle attitude control system, great practical significance is achieved for development of tilt-rotor unmanned aerial vehicles, and high reference value is achieved for development of manned tilt rotorcrafts.

The invention discloses a biological dehydration method for garbage, which comprises piling garbage on a site, covering a molecular screening film on the garbage pile, and carrying out forced ventilation on the garbage pile until the dehydration is finished. The molecular screening film at least comprises an expanded teflon film layer, wherein the thickness of the expanded teflon film is 0.22-0.26 mu m, the micropore size is 0.5-1 mu m, and the number of pores is 10-20 billion / cm<2>. The molecular screening film is covered to biologically dehydrate the biochemical garbage, thereby effectively preventing malodorous gas in the pile from escape, ensuring that water can smoothly pass through the molecular screening film, quickly dehydrating the garbage pile and implementing a pollution-free processing environment.