224 results about "Cliff" patented technology

The invention provides an improved soil matrix and a remediation method for a green mine. According to the improved soil matrix and the remediation method for the green mine, a certain gradient of a mountain is formed by trimming a cliff of the mine, a hard material is laid in a certain mode, then a plastic-coated metal net covers the hard material, and finally, the novel improved soil matrix covers the plastic-coated metal net with a certain thickness so as to realize the effective remediation of the mine. The improved soil matrix and the remediation method for the green mine have the beneficial effects that the improved soil matrix can stably float on the surface of the mine with the gradient of less than 80 degrees, the adhesive force is greater than 20 Kpa, the inner friction angle isgreater than 18 degrees, the anti-corrosion index is greater than 99.1%, the anti-scouring index is greater than 2.0 L.min / g, the structure is high, and scouring of heavy rainfall or heavier can be effectively resisted after three days of spraying; the improved soil matrix is rich in nutrition, loose and breathable, and is suitable for growth of plants; and lots of organic matter such as agricultural and forestry leftovers are adopted, so that the water storage performance is high, and the construction cost and the maintenance cost are greatly saved.

An edible bird's nests production facility comprising of: a wholly man made artificial caves system and / or converted natural relief such as caves, valleys, cliffs forming the nesting habitat and associated supporting facilities configured to breed swiftlets for their nests by means of a captive breeding program for swiftlets; commercialized-scientific farming methods; specialized apparatus, mechanisms and techniques; managed sustainable harvesting of nests; provision of a safe and secure nesting habitat and a conducive environment to maximize avian population by minimizing mortality rates; safe collection of nests by means of mechanized lifting systems and specialist mountaineering equipment.

Present invention discloses a portable cliff soil heat physical property tester and method. It solves mismeasurement problem of underground cliff heat physical property in current ground source heat pump system design. It contains portable cliff soil heat physical property tester based on ground source heat pump, at least one flow sensor, at least one exhaust I, at least one water circulating pump, at least one exhaust II, at least one electric heater, at least one temperature sensor II set in pipe exit end, wherein flow sensor and temperature sensor I connected with monitored control system, voltage sensor and temperature sensor II connected with monitored control system, electric heater connected with EPS through monitored control system.

An antiscour ecological trench for the interception of phosphorus loss is characterized in that a natural trench is excavated or improved to form a main canal according to the natural landforms, and gully cliffs of the main canal is formed by the arrangement of hollow de-alkali cement prefabricated sections with holes at the bottom; the bottom of the trench is layered with broken stones and cultivation soil covers the surface layer of the broken stones; a phosphorus fixation matrix and the cultivated soil are uniformly mixed to coat into the prefabricated sections of the gully cliffs, and seeds of attached plants are sowed at the bottom of the trench and in the gully cliffs; and cement interception dams are arranged at intervals on the main canal. According to the ecological trench provided by the invention, by designing the form and structure of the trench, the capability of the trench to resisting waterpower scour can be effectively improved, and multiple constitutional units all have functions of absorbing and intercepting phosphorus; phosphorus in a pollutant-holding water body is rapidly and effectively intercepted by multiple technical means of plant absorption, sediment interception and phosphorus fixation matrix, which are effective methods for solving high concentration of phosphorus in superfluous phosphorus background areas, controlling the output of phosphorus under strong water-power condition and treating non-point source pollution.

The invention discloses a write-in speed control method. The writing speed of the host writing operation is prevented from occupying the writing speed of the garbage collection operation. Whether thewrite-in speed of the host should be reduced or not is judged based on the real-time residual storage space of the solid state disk. Enough residual write-in speed is ensured to be distributed to thegarbage collection operation in a manner of actively limiting write-in operation of the host. Therefore, the garbage collection operation maintains the residual storage space of the solid state disk at the normal write-in speed so as to prevent cliff type reduction of the write-in speed of the host caused by insufficient residual storage space, thereby better ensuring the consistency of the read-write performance of the solid state disk. The invention further discloses a writing speed control system and device and a computer readable storage medium which have the above beneficial effects.

The present invention provides a cliff detection method and a robot. The cliff detection method comprises the steps of: monitoring state change information of a ground where the robot is located in arobot movement process; setting a limitation condition of cliff detection according to the state change information; and determining and detecting whether the ground is a cliff or not according to thelimitation condition and a preset rule corresponding to the limitation condition. The cliff detection method monitors the state change information of the ground in the movement process by the robot to dynamically set the limitation condition of cliff detection according to the state change information of the ground, takes the consideration of the interference factors of cliff detection to dynamically regulate and control the cliff determination standard suitable for the current ground state and refine the limitation conditions of cliff detection in different ground states so as to improve theaccuracy of cliff determination of the robot and reduce the misjudgement.

A nesting structure for cliff swallows is disclosed which provides spaces for multiple pairs of these colonial nesting birds to build their nearly enclosed mud nests. The self-contained structure independently provides the shape, size, rough surface texture and multiple nesting opportunities preferred by this species, and is conveniently attached to, or removed from, buildings, bridges or freestanding posts. The structure provides a wide roof overhang along its length to protect all underlying nests from sun and rain. A back wall establishes a uniform ideal height for all nests to be built by the birds. A narrow floor provides a solid footing for cliff swallows to anchor their adhesive mud nests without providing a sufficient base for undesirable species to build their loose, unattached grass nests. The compartmentalization of nests permits the inclusion of roof or back wall access doors away from the front which the swallows will nearly enclose with mud. The access doors allow for human inspection of the otherwise inaccessible nest interiors.

The invention discloses a method for constructing a cliff scaffold platform, and belongs to the field of building plank construction. The method comprises the following steps of: overhanging a section of frame beam at the initial section of the constructed scaffold platform and in the to-be-extended direction of the scaffold platform; drilling a group of anchor rod down holes required for the mounting extended section of the scaffold platform by using a rock down-hole drill; arranging heavy-load detachable composite functional anchor rods (26) in the anchor rod down holes, and fixing frame rods (31) and upright rods (27) to construct the extended section of the scaffold platform; and butting a section of guide rail (28) with corresponding length on the extended section of the scaffold platform, opening bolts connected on the guide rail (28) on the lower part of a connecting plate (30), and pushing the frame beam along the guide rail so that the frame beam extends the next section in the to-be-extended direction of the scaffold platform. The scaffold platform can bear heavy load without a ground support or a peak suspension rod; and due to overhanging type construction, the extended direction can turn left and right and pitch with variable angle along with the shape of a mountain.

The invention relates to a parachute, specifically to a parachute for low altitude lifesaving, belonging to the technical field of parachute structure, wherein the low altitude lifesaving parachute comprises a parachute canopy and parachute ropes connected with the parachute canopy and is characterize in that: the parachute canopy is uniformly distributed with multiple column-shaped gas bundles for supplying a gas source by a high-pressure gas inflating cylinder which is communicated with the multiple column-shaped gas bundles; and the column-shaped gas bundles are communicated with the high-pressure gas inflating cylinder by high-pressure inflating pipes with one-way inflating valves. The low altitude lifesaving parachute of the invention is featured with reasonable structure and reliable and safe operation; the invention solves the problems of fast opening parachutes and stable landing under a low altitude condition and supplies a new method for escaping and lifesaving of people on high buildings when the disasters such as earthquake, fire and the like happens; and the escaping method further suits for the low latitude landing from cliff in the open air.

The invention discloses an ambiguity of whole cycle rapid obtaining method based on a real-coding adaptive genetic algorithm. The method includes the following steps: S1, observing data through a carrier wave phase, and establishing a carrier wave phase double difference observation equation; S2, after linearization of the observation equation, utilizing Kalman filtering to obtain a floating pointsolution of ambiguity of a whole cycle and a corresponding covariance matrix; S3, taking a known baseline length as a constraint condition and determining the search range of the ambiguity of the whole cycle; S4, performing decorrelation on the floating point solution and the covariance matrix through an improved Cholesky decomposition method; and S5, determining a fitness function on the basis of a target function, determining all running parameters in an IAGA, conducting real coding on a problem, and finally searching an optimal solution of the ambiguity of the whole cycle through the IAGA.Corresponding crossover and mutation probabilities can be adjusted in a non-linear manner on the basis of individual fitness, a Hamming cliff problem can be solved by means of real coding, and the solving efficiency of the ambiguity of the whole cycle can be increased.

The invention discloses a cantilever beam structure of an antique plank road along a cliff and a construction technology thereof. The cantilever beam structure is formed by an H-type steel assembly, and a rock bolt assembly fixedly anchored on the rock wall of a mountain in a combining way, wherein the H-type steel assembly is formed by the combination of a steel backing plate (2) and H-type steel (3); the H-type steel (3) is welded on the steel backing plate (2) vertically and serves as the supporting beam of a road panel (7) of the antique plank road along the cliff; the rock bolt assembly is formed by the connection of rock bolts (1), bolts and nuts; and the rock bolts (1) are welded with the bolts in a surfacing manner. The construction technology of the cantilever beam structure is as follows: ensuring the position of the cantilever beam according to the design graph paper; eliminating the weathering surface and fractured rock mass of the locating-point rock surface, and scabbling and leveling; ensuring the length of the rock bolts (1) and drilling holes in the rock bolts; filling cement mortar into the rock bolt holes and inserting the rock bolts (1) welded with anchor heads; mounting the H-type steel assembly on the rock bolts after the cement mortar is solidified to a degree of the designed strength; and fastening with bolts. The cantilever beam structure is safe and reliable in structure, simple and convenient in construction technology, quick in speed, low in engineering cost, and good in simulating of the style of the antique, and is suitable for application along the cliff.

The invention relates to a cliff detection circuit and a sweeping robot. The cliff detection circuit comprises a capacitive sensor, an oscillation circuit and a state monitoring circuit. The capacitive sensor is arranged on the bottom portion of the sweeping robot and used for detecting the floor surface and outputting floor surface feedback information; the oscillation circuit is used for outputting an indication signal for feeding back floor surface state according to the floor surface feedback information, wherein the floor surface state is used for indicating whether the capacitive sensor is in a suspended state, the suspended state being a state when the distance between the floor surface and the capacitive sensor exceeds sensing distance of the capacitive sensor; and the state monitoring circuit is used for determining the floor surface state according to the indication signal, and sending a control signal for controlling the sweeping robot to carry out corresponding action. Through the capacitive detection mode, the detection effect is not affected by the ground color, so that judgment accuracy can be improved, and the sweeping robot is better in adaptability to environment.

The invention relates to an ecological remediation method for a slope of a broken mountain. Ecological remediation can be conducted on a steep cliff wall slope of which the slope surface is smooth andlevel by constructing a slope remediation structure composed of a large-pore vegetation concrete layer, a substrate material layer and a small-pore vegetation concrete layer. The surface roughness ofthe slope sprayed with the large-pore vegetation concrete layer is significantly increased, a substrate material which is subsequently sprayed can not be prone to sliding down, small-pore vegetationconcrete is sprayed to the outer layer of the substrate material, therefore, through the double-layer vegetation concrete structure, it can be better guaranteed that the substrate material is attachedto the slope, and sliding and rain water scouring are avoided. In addition, the large-pore structure of the large-pore vegetation concrete layer is more beneficial for growth of a plant root system,the small-pore vegetation concrete layer can purify non-point source pollution, rotten ecological desilting sludge is added into the substrate material, and the vegetation degradation problem caused by insufficient fertility is solved.

A cliff detection method comprises the following steps: acquiring an image of a ground area in front of a robot body; determining a cliff area in a front ground area based on the depth image information and the brightness information; according to the depth image information, determining that the vertical distance between a detection area in the front ground area and the image acquisition unit isgreater than a preset vertical distance; determining that the brightness of the image corresponding to the detection area is greater than or equal to a preset brightness value according to the brightness information of the collected image, and determining that the detection area is a cliff area when the size of the detection area meets a preset size condition. According to the method, the cliff inthe front ground area can be effectively detected. The invention further provides a control method of the mobile robot and the mobile robot capable of realizing the method. The cliff area in the front ground area can be effectively detected, and the accuracy of cliff area detection is improved.

The invention relates to a comprehensive supporting structure of a deep side slope of a complex steep cliff. The comprehensive supporting structure mainly comprises mini piles, prestressed anchoring rods, prestressed anchoring ropes, a concrete protecting slope and an operating platform, wherein the mini piles are arranged at the inner side of the cliff; scaffolds of the operating platform are erected by layers along the cliff; vertical rods of some scaffolds are anchored to section steels which are anchored into the rock wall; grouting bodies are arranged in section steel grooves; inclined supports are arranged at the lower parts of the section steels and are welded to wall connectors which are arranged below the inclined supports and anchored into the rock; transverse rods of some scaffolds are fixed to the wall connectors which are anchored into the rock through connecting fasteners; equipment slide rails are arranged on the operating platform; the prestressed anchoring rods, the prestressed anchoring ropes and the concrete protecting slope are arranged on the slope surface; a breaking zone grouting body is arranged into a breaking zone on the slope surface. With the adoption of the comprehensive supporting structure, the difficulty in erecting of the operating platform on the deep side slope of the complex steep cliff can be effectively solved; meanwhile, a plurality of structures are utilized to enable comprehensive supporting, so that stone can be effectively prevented from falling from the side slope, and the technical and economic benefits are outstanding. The invention also provides a construction method of the comprehensive supporting structure of the deep side slope of the complex steep cliff.

The invention discloses a sea cliff erosion scale measuring device and method. The device comprises a distance measurer, a tripod, a drop hanger and a wood pile, wherein the tripod is erected on a beach face in front of a measured sea cliff; the drop hammer is composed of a rope and a base cone; the base cone is suspended on the top of the tripod by the rope; the wood pile is punched in the beach face in the front of the sea cliff and oppositely contacts with the base cone in an up-down manner; the distance measurer can be a laser distance measurer for measuring a tilt angle; the laser distance measurer can arranged on the tripod in a movable rotating and positioning manner along the horizontal direction and the vertical direction. During measuring, the wood pile is used for positioning and the distance measurer is used for measuring distances at different tilt angles, so that a two-dimensional section shape of the face of the cliff can be drawn out, and therefore, the shape of the face of the cliff is respectively measured at different moments, and the sea cliff erosion scale can be obtained by comparing the shapes at the different moments. Obtained two-dimensional section data of the sea cliff erosion provides base data for predicating and preventing of geological disasters in a coastal zone as well as urban and rural land planning in the costal zone.

The invention relates to a movable machinery, in particular to a mechanical device which can move freely on a large-angle inclined plane. The movable machinery can be used for operations of transportation, rescue, cleaning and the like of specific positions, such as high buildings or cliffs and the like. A main vehicle body of the vehicle comprises three functional parts, i.e. (1) a thrust generating device, (2) a function bearing area and (3) a moving running gear. The working principle of the vehicle is that when operating, the thrust generating device can generate a thrust which is enough to counteract the self-gravitation so that after a running part of the vehicle body is clung on a running surface, an operator can control running of the vehicle to start to work. When the movable machinery is used as a miniaturization product, such as a glass and wall cleaning machine, an external control device 7 can play a role of a wired remote control circuit, a cleansing fluid conveying pipeline, accidental falling protection and the like. A signal arrow drawn in the figure indicates an air flow route.

The invention provides a concrete cushion resuing stoping method for narrow veins. The method comprises the following steps: drilling resuing blast holes in a hanging wall or heading wall surroundingrock of a virtual cliff; continuously drilling ore breakdown blasting holes on a vein twice; respectively blasting the ore breakdown blasting holes; concentrating machines for ore mining; filling a stope; laying a concrete cushion on a flattened waste heap; circulating the processes until stoping of the whole ore block is finished. The concrete cushion resuing stoping method provided by the invention reduces the quantity of orepasses, reduces engineering quantity, reduces labor intensity of workers, increases the amount of caved ores, reduces the amount of mixed waste rocks, realizes mechanized transportation and mining, improves production capacity of the stope, reduces loss of ore fines, reduces depletion of ores, and contributes to control of a ground pressure of the stope to a certainextent by introducing twice continuous ore breakdown and concrete cushion laying process; the concrete cushion resuing stoping method maximizes use of resources while ensuring production safety, and has relatively high economic benefits and social benefits.

An edible bird's nests production facility comprising of: a wholly man made artificial caves system and / or converted natural relief such as caves, valleys, cliffs forming the nesting habitat and associated supporting facilities configured to breed swiftlets for their nests by means of a captive breeding program for swiftlets; commercialized-scientific farming methods; specialized apparatus, mechanisms and techniques; managed sustainable harvesting of nests; provision of a safe and secure nesting habitat and a conducive environment to maximize avian population by minimizing mortality rates; safe collection of nests by means of mechanized lifting systems and specialist mountaineering equipment.

The invention discloses a method for manufacturing and applying an edge slope afforesting throw-planting bag for a naked cliff. A mesh bag is prepared by directionally cultivating perennial vines and herbaceous plant pot seedlings which are high in stress resistance and wide in applicability, and weaving a polyethylene material with high tensile strength; the pot seedlings are buried into the mesh bag filled with nutritional soil in a one-piece manner and are fixed by ropes to form the throw-planting bag; the bag is fixed on the irregular trace surface of the edge slope of the naked cliff by a suspending hook type or artificial cliff embedding type method; under the moisture content of the own nutritional soil and the nitrogen fixation action of leguminous plants, the bags are arranged according to the cliff planting time and the bag planting density; vine crops can naturally grow and continuously spread, so that a longitudinally and transversely staggered green plant protection vine mesh is gradually formed on the edge slope, and the edge slope of the naked cliff is re-afforested. The manufacturing, transportation and technical requirements of the throw-planting bag are simple; construction equipment and technologies are simple; measures are adjusted to local conditions; the throw-planting bag is suitable for any place and any afforesting; throw planting is facilitated, and the survival rate of plants is high; the cost is low; the throw-planting bag can be widely applied to the naked cliff, gravel and surface-soil-free edge slope afforesting.

The invention discloses a method for cutting and raising seedlings of cliff tea. The method includes the steps of selecting superior individual plants, picking up middle-upper parts of annual twigs, trimming the middle-upper parts of the annual twigs into special branches, soaking the branches in liquid medicine to promote roots prior to soaking the same in nutrient solution, setting up seedling beds, preparing special cover soil, cutting and covering the branches and the like. By the method, the technical problems of extremely low survival rate of cutting and raising the seedlings of the cliff tea or failure in cutting and raising the seedlings of the same are solved; branch selecting, branch trimming, branch treating, seedling bed matrix preparing and management after planting are included, so that the survival rate of the cliff tea is high, and the cliff tea is soon transplanted from the seedling beds in high rate.

The invention belongs to the technical field of bridge and tunnel engineering and relates to a falling stone prevention buffering structure for a bridge and tunnel connection part. Open cut tunnels on a tunnel entrance and a bridge are divided into three levels, wherein the first-level open cut tunnel is located under a channel roof mountain cliff, an original open cut tunnel is recovered according to the original shape and does not serve as a load bearing member, and a foam material buffering layer is arranged between a newly added cover arch and the original open cut tunnel; the second-level open cut tunnel is located on the bridge, and a tunnel roof is designed to be a caved material diffusion and accumulation area; the third-level open cut tunnel is located behind the second-level open cut tunnel, a direct wall of the third-level open cut tunnel is provided with ventilation windows so as to weaken lateral influences of light and shade changes of light at the tunnel entrance and crosswind in valleys on traffic, and enough longitudinal spacing is kept. The falling stone prevention buffering structure for the bridge and tunnel connection part has the advantages that at the tunnel entrance with weak geological conditions, safety of the open cut tunnels can be protected effectively, and damage of weathered dimension stone falling to the open cut channels is reduced.

The invention discloses a cliff refuse cleaning aircraft which comprises an aircraft body, a grabbing device, a control system, a navigation module, a visual sensing module, a laser sensor and a wireless remote control module. The aircraft body is a four-axis aircraft and comprises an aircraft main body, blades and rotary supports. The grabbing device, the visual sensing module and the laser sensor are arranged at the bottom of the aircraft body. The control system, the navigation module and the wireless remote control module are arranged at the top of the aircraft body. The cliff refuse cleaning aircraft is characterized in that the control system and the aircraft body are connected to achieve flight tasks of the aircraft body; the grabbing device is used for grabbing refuse on a cliff; the navigation module is used for autonomous flights of the aircraft body; the visual sensing module is used for acquiring position information of the refuse; the laser sensor is used for judging whether the aircraft body can grab the refuse; and the wireless remote control module is used for achieving remote control. The cliff refuse cleaning aircraft is high in intelligence level, high in flexibility, good in adaptability and capable of completing refuse cleaning work in special environments such as the cliff.

An obstacle and cliff avoiding system is disclosed, which is substantially a movable chassis having at least a displacement sensor arranged thereon. In a preferred embodiment, each displacement sensor is tilted by a specific angle with respect to a surface detected thereby while being driven to move in circle by a rotating apparatus for enabling the same to scan a defined fan-like area or the circular area around the chassis in a circulating manner. As each displacement sensor is tilted by the specific angle and is initiated to issue a working signal, the paths of signal emission and reception of each sensor are defined by the specific angle, whereas the reflected working signal received by the sensor is sent to a control unit to be compared with the working signal so that the control unit is able to evaluate whether there is an obstacle or a drop in front of the moving direction of the movable chassis and thus control the chassis to maneuver around the obstacle or the drop.

The invention relates to the field of waste picking, and particularly relates to an unmanned aerial vehicle for waste picking in dangerous situation. The unmanned aerial vehicle comprises an unmannedaerial vehicle body, and further comprises a grabbing assembly, a movable assembly and an image recognition assembly; the movable assembly comprises two symmetrically-arranged mechanical arm structures, each mechanical arm structure consists of an upper arm, a lower arm and an extension rod, the upper ends of the upper arms are hinged to the unmanned aerial vehicle body, the upper ends of the lower arms are hinged to the lower ends of the upper arms correspondingly, and the extension rods are arranged on the inner sides of the lower half parts of the lower arms; and the grabbing assembly comprises two symmetrically-arranged mechanical claw structures, each mechanical claw structure is connected with the corresponding mechanical arm structure, each mechanical claw structure comprises a clamping claw and a driving mechanism used for driving the clamping claw to open and close, the upper ends of the driving mechanisms are connected with the lower ends of the extending rods, and the lowerends of the driving mechanisms are connected with the clamping claws. The unmanned aerial vehicle has the advantages that the problem that cleaning is difficult to be performed in dangerous places such as cliffs is solved, the time and the labor are saved, the risk of cleaning personnel is prevented, and the working intensity of the cleaning personnel is reduced.

A nut is employed to fix a faucet on a wash basin or a kitchen basin and contains an external driving member and an internal screwing member. The external driving member includes a cylindrical fence, an accommodating cavity, a first edge, and a second edge; the cylindrical fence has at least one limiting block and a griping face. The internal screwing member is fitted into and retained with the accommodating cavity and includes an annular cliff, a through orifice, a third edge, and a fourth edge; the annular cliff has plural slots longitudinally extending and isometrically arranged to the fourth edge from the third edge so as to define a plurality of flexible retaining portions, each having an inner threaded section; the annular cliff also has at least one longitudinal recess for retaining with the at least one limiting block of the external driving member and has a contacting fringe.

The invention discloses an automotive safety protection device capable of preventing colliding, falling, pedestrian accidents, rushing to a cliff and falling into water. A pair of hydraulic buffer anti-collision devices which is formed by connecting a collision contact panel, a throttle adjustment pull wire, a clutch separation pull wire, a brake pull wire and a hydraulic buffer is arranged on the front of an automotive beam of a head. Transparent rubber airbags which can be separated and combined and have the thickness of 20cm are arranged outside the automobile body. Four extension tubes are arranged on two sides of the underbody and the roof; eight obtuse-angle extension steel pipes are arranged on the bottom edge of the periphery of the automobile body to be connected with the lower edges of the automobile body airbags by using wire cables; and the tail airbags are connected with the tail through wire cables. A front extension type anti-accident protection net is arranged on the underbody; a millimeter wave radar detector is used on the automobile and is in interaction and manual connection with the alarm, throttle adjustment, clutch separation, point brake, the protection net and a control switch of the automobile body airbags for the automobile. When collision, turnover, pedestrian accidents, cliff rush or water crash occurs, the aim of preventing colliding, falling, pedestrian accidents, rushing to the cliff and falling into water is fulfilled. The automotive safety protection device also has the functions of protecting a body LED display screen, saving energy and resisting ageing, and the like.