810 results about "Gravitational potential" patented technology

A system includes at least one body, a link for suspending the body for movement with gravity from a first elevation position to a second elevation position, and an electrical energy generator coupled with the body through the link to drive the generator to generate electricity upon movement of the body with gravity from the first to the second elevation position. The at least one body has a mass of at least approximately 100 tonnes; the first and the second elevation positions define a distance therebetween of at least approximately 200 meters; and/or the system further includes an operator configured to operate the link to controllably move the at least one body against gravity from the second to the first elevation position to increase a gravitational potential energy of the at least one body, and to maintain the gravitational potential energy of the at least one body.

The invention discloses a robot path planning method and system based on an improved artificial potential field method, and the method comprises the steps: firstly finding local target points in a visual scope of a laser radar; secondly planning a reachable path from the current position of a robot to the local target points; and finally controlling and driving the robot to move to circularly detect the local target points till the robot reaches a final target point. The method employs the artificial potential field method to plan the path of the robot, solves a problem of a local minimal point appearing in path planning through a conventional artificial potential field method, and improves the conventional artificial potential field method, i.e., improving a gravitational potential function. Meanwhile, the method enables the whole task to be divided into a plurality of local target points, thereby achieving the optimal path. The method improves the instantaneity of path planning, environmental suitability and efficiency.

The invention relates to a technology for breaking, sorting and recycling household garbage incineration slag. The technology comprises the following steps: by utilizing gravitational potential energy and using water as a medium and circulating flow, vertically arranging an iron removal device, a hopper, a breaker, a magnetic separator, a jigger, screening equipment, a slag finished product collection tank, a sedimentation tank and the like which are equipment for treating the household garbage incineration slag in every link from high to low; injecting water and the garbage incineration slag into the breaker so as to form a material flow, obtaining slag materials with fine particles, light mass and optimized components through the breaker, the jigger and the screening equipment under the action of material gravity flow, filtering through the collection tank and the sedimentation tank and directly transporting the dried fine-grained slag finished product to a finished product warehouse finally; and reblending clear water obtained after sedimentation and filtration and the garbage incineration slag raw material so as to be recycled. The technology has the advantages that the exertion of gravitational potential energy is facilitated in a material treatment process, and the friction heat energy of the materials and the equipment is reduced; and the dust fog pollution in the treatment process is reduced, and environments are protected.

Novel retainers for a body threaded into a reciprocating pump used for pumping fluid into a well are provided for. They comprise one or more elastic members adapted to flex and allow the retainer to be interlocked with the pump and a member adapted to engage the threaded body and to limit loosening thereof. Preferably, the engagement member is biased into engagement with the threaded body, for example, by elastic, magnetic, or gravitational potential energy. The novel retainers include stops which limit loosening or tightening of the threaded body and pawls that limit loosening of the threaded body.

The gravitationally balancing vertical ship elevator for launching and upsloping ship in ship yard includes tower columns on two sides, driving pulley devices on the tower columns, steel cables configured in the driving pulley devices and with one end connected to the under carriage inside the tower column and the other end connected to balance weight, and locking device inside the tower column and fitting the under carriage, as well as floating pontoon, which is connected via movable connecting device to the under carriages and has ballast tanks connected with water feeding and draining device. The present invention completes the ascent and descent of ship in gravity balancing mode and converts the gravitational potential energy to reduce the needed driving power for the ship ascending process. The present invention has the advantages of reduced and simplified driving configuration, low power consumption, and low cost, etc. and is especially suitable for launching and upsloping ship in steep berth.

The invention discloses an automatically optimized piping arrangement method based on an improved genetic algorithm. The automatically optimized piping arrangement method comprises the following steps of: 1, collecting the field data of piping arrangement; 2, performing space subdivision on a simulated piping arrangement space to divide the space into different lines, columns and layers; 3, constructing an optimized piping arrangement target function by taking pipe length, elbow number, energy and gravitational potential energy as optimization targets; 4, formulating an optimized target piping arrangement scheme to determine algorithm parameters; 5, performing genetical operation on a path population by calling the improved genetic algorithm; and 6, outputting a distribution graph of an optimized target piping arrangement result in a piping arrangement space. According to the automatically optimized piping arrangement method provided by the invention, the convergence rate and the stability of the genetic algorithm in the optimized piping arrangement application are increased, and the work load for optimized piping arrangement work and the errors generated due to experience-based manual operation are greatly reduced.

The invention discloses an intelligent vehicle route planning method based on threat assessment and relates to the technical field of intelligent vehicle decision making and control. The method comprises steps as follows: multiple factors such as external target features, environment parameters and the like influencing threat assessment of an intelligent vehicle are determined firstly, and a Bayesian network based intelligent vehicle threat assessment model is established; real-time data of the threat factors are collected in a running process of the intelligent vehicle, and intelligent vehicle threat indexes of targets in an outer environment are calculated according to the model; a repulsion potential field model of the targets on the intelligent vehicle is constructed according to the intelligent vehicle threat indexes of the targets and is fused with a gravitational potential field model of an intelligent vehicle traveling destination on the intelligent vehicle, a comprehensive potential field module of the intelligent vehicle is obtained, and route planning of the intelligent vehicle is obtained after solving. The multiple factors influencing threat assessment of the intelligent vehicle are taken into consideration, so that the driving environment of the intelligent vehicle is more sufficiently cognized, and a more reasonable and more effective traveling route is planned out.

The invention relates to the field of water conservancy and hydropower, in particular an energy dissipation flood discharging device. The energy dissipation flood discharging device is gentler in the energy dissipation process. The energy dissipation flood discharging device comprises a flood discharging hole and further comprises a central shaft and a spiral flow channel. The central shaft is arranged at the axis position of the flood discharging hole, the spiral flow channel is arranged with the central shaft as the axis, an inlet of the spiral flow channel is communicated with an inlet of the flood discharging hole, and an outlet of the spiral flow channel is communicated with an outlet of the flood discharging hole. When water flow enters the structure, the water flow moves spirally along the spiral flow channel and finally arrives at the bottom of the structure. The spiral flow channel is long and many curves exist, so that the water flow is acted by friction force for a long time, and since the water flow collides with the spiral flow channel, a large amount of gravitational potential energy is transferred into heat energy. Thus, the purpose of energy dissipation is achieved.

The invention discloses a single-leg robot in-place jumping mechanism with a power energy storage function and belongs to the technical field of robots. A robot is composed of five portions including a body, a hip joint, a knee joint, a pelma and a thigh and a shank, the body and the thigh are connected through the hip joint, the thigh and the shank are connected through the knee joint, the hip joint is composed of elements like a motor, a harmonic speed reducer, a coder and a hip spring, has a function of actively outputting joint moment and provides active moment output for the knee joint through a synchronous belt, a knee spring is mounted on a knee rotary shaft of the knee joint, the knee joint stores and complements energy for jumping of the robot by converting gravitational potential energy of the robot into elastic potential energy of the knee spring, and a force sensor is mounted on the pelma and used for detecting ground-touching information of the robot. By reasonably arranging the joints and combining an active and passive joint control technology to store and complement the energy for jumping of the robot, improving of quickness and efficiency in moving of the robot is facilitated.

The invention discloses a hydraulic driving system for an offshore drilling compensation winch.A hydraulic secondary regulation element and a driven hydraulic cylinder jointly drive the winch to fulfill a heave compensation function, and a bit feeding hydraulic motor drives the winch to fulfill an automatic bit feeding function.During compensation, the driven hydraulic cylinder and a liquid-gas energy storage device thereof are used or bearing all static loads of a drilling rig and periodically recovering and releasing gravitational potential energy of loads; the hydraulic secondary regulation element operates in a constant-pressure network to overcome other loads in the compensation process, and the liquid-gas energy storage device periodically recovers and releases inertia kinetic energy of the a winch rotary system.During bit feeding, the driven hydraulic cylinder and the liquid-gas energy storage device thereof recover the gravitational potential energy of the loads of the drilling rig and release in lifting of a drilling rig traveling system.The hydraulic driving system is integrally compact in structure, a hydraulic energy recovery system is high in operation efficiency and long in service life, and an engine is low in power and power consumption.

The invention relates to a power generation device and a power generation system, in particular to an auxiliary power generation device and an auxiliary power generation system utilizing wastewater of high-rise buildings and clean energy, which can effectively utilize domestic wastewater, solar energy and wind energy to generate the electricity so as to effectively utilize the gravitational potential energy of wastewater discharge of the high-rise buildings as well as favorable solar energy and wind energy sources on the tops of the high-rise buildings to provide electric energy for energy equipment in corridors of the high-rise buildings to achieve the aims of energy conservation and environmental protection. Due to the adoption of a flow concentration plate and a drainage plate, the power generation device and the power generation system can ensure that the flowed wastewater intensively impacts a water wheel so as to strengthen the energy, can also prevent sewer pipelines from being blocked at the same time, can better convert the gravitational potential energy of wastewater in drainage pipelines of high-rise apartment buildings into electric energy, and improve the recovery utilization rate of wastewater energy sources.

The invention discloses a carbon-free self-propelled trolley with a reversing function. A four-connecting-rod mechanism and a joint bearing part are used to accurately control swing of a guide wheel fork so as to realize turning of a guide wheel, small torque and abrasion and accurate swing are achieved. Four rail rods are used to limit swing of a counter weight, so that tilting of the trolley during turning and coming up and down a slope can be avoided effectively. The carbon-free self-propelled trolley is driven to move by converting gravitational potential energy into kinetic energy, no fuel or electric energy is needed, no greenhouse effect gases such as carbon dioxide are emitted, and the carbon-free self-propelled trolley is low-carbon, environmental friendly, and simple to use. An operator can reverse a trolley drive wheel to hang a heavy object, namely converting mechanical energy into gravitational potential energy. The carbon-free self-propelled trolley can be used as physics demonstration experiment equipment for primary schools and middle schools, and students are allowed to better understand experiment energy conversion and application through specific instances.

The invention discloses a potential energy recycling device with a compressed spring energy accumulator for a movable arm of a loader. The potential energy recycling device comprises the compressed spring energy accumulator, an electronic control unit, an ascending gear switch of a control lever of the movable arm, a descending gear switch of the control lever of the movable arm and a hydraulic electronic reversing valve. The potential energy recycling device has the advantages that the potential energy recycling device for the movable arm of the loader is high in energy conversion rate and energy density and simple in structure, and is light, gravitational potential energy of the working device of the loader can be recycled when the movable arm descends, and is converted into elastic potential energy, the elastic potential energy is stored in the compressed spring energy accumulator and is converted into gravitational potential energy of the movable arm when the movable arm of the loader ascends, accordingly, the potential energy of the movable arm of the loader is recycled, and purposes of energy conservation and emission reduction are achieved.

The invention discloses a wearable quasi-passive ankle joint exoskeleton recovery device. An excising recovery walking assisting ankle joint exoskeleton system is normally an active driving system, the forced effect on the human body exists, the safety performance is poor, energy dissipation is large, and the gravitational potential energy of the human body is not sufficiently used. The wearable quasi-passive ankle joint exoskeleton recovery device comprises an extension spring connecting mechanism, a reversing spring, a torque compensation mechanism, a guide rail sliding block transmission mechanism and an electric control brake system; the extension spring connecting mechanism is combined with the reversing spring to achieve torque changes of the ankle joint during walking; and the electric control brake system, the torque compensation mechanism and the guide rail sliding block transmission mechanism achieve torque nolinear compensation, so that the torque of the ankle joint of a health person during walking is simulated. By means of the wearable quasi-passive ankle joint exoskeleton recovery device, on the premise that the safety of a patient is guaranteed, the patient suffering from low limb dysfunction such as strephenopodia and foot drop can conduct recovery walking with the wearable quasi-passive ankle joint exoskeleton recovery device.

The invention discloses an elastic rubber band energy accumulator type loader movable arm potential energy recovery and regeneration device, and aims at providing a loader movable arm potential energy recovery and regeneration device which is high in energy conversion ratio, large in energy density, light in weight and simple in structure. The elastic rubber band energy accumulator type loader movable arm potential energy recovery and regeneration device comprises a front axle frame, a movable arm, a steel wire rope, a fixed pulley, an elastic rubber band energy accumulator and a hydraulic electromagnetic reversing valve. The elastic rubber band energy accumulator type loader movable arm potential energy recovery and regeneration device can realize recovery of gravitational potential energy of a working device and convert the gravitational potential energy into elastic potential energy to be stored in the elastic rubber band energy accumulator when the movable arm of a loader descends, and can convert the elastic potential energy stored by the elastic rubber band energy accumulator into gravitational potential energy of the movable arm when the movable arm of the loader lifts, so that recovery, regeneration and utilization of the potential energy of the movable arm of the loader and energy conservation and emission reduction are realized.

Electro-gravity plates are applied to road surfaces for generating electricity from the passage of vehicles over the plates. Each plate contains a packed lattice of electro-gravity cells that individually produces electricity from the passing vehicles. The cells use a variety of technologies to convert the kinetic energy and the gravitational potential energy of moving vehicles into electricity. A first type of cell includes a spring-loaded permanent magnet inside a solenoid. The passing vehicles cause the magnet to translate up and down inside the solenoid for generating electricity. A second type of cell includes a spring-loaded hammer and a piezoelectric material. The passing vehicles cause the hammer to compress the piezoelectric material for generating electricity. A third type of cell includes a counterweighted crank rotatably coupled to a dynamo. The passing vehicles cause the crank to rotate the dynamo for generating electricity.

The invention discloses a coal mine rescue robot path programming and navigation system based on an improved artificial potential field and a method thereof. An obstacle filling method and a disturbance potential field method are combined. In the obstacle filling method, virtual filling is performed on a concave obstacle, a potential field function is constructed and filled and a corresponding repulsive potential field function is generated. In the disturbance potential field method, through adding a disturbance potential field in a gravitational potential field, a gravitational potential field function is changed and a rescue robot can autonomously walk out of a local minimum point when falling into the local minimum point. The two methods are combined, which can well help the underground rescue robot escape from the local minimum point; and the path is reprogrammed, and the robot can be avoided from falling into other local minimum points again and can successfully complete a disaster rescue task; an algorithm is concise and high reliability is possessed.

The invention relates to a comprehensive power generation method and a device thereof, which uses high-pressure high thermal energy fluid separated by an oil-gas-water separator, and adopts the method that the water processed by the oil-gas-water separator is discharged from a water outlet pipeline, and then enters a hydroelectric generator unit and/or a geothermal water power generation unit, wherein, the hydroelectric generator unit uses pressure energy and mechanical energy for producing water to drive a generator to generate power and uses geothermal energy of the produced water from separation to drive a steam turbine to generate power, and uses terrestrial heat for heating, thereby realizing the comprehensive, high-efficient and cascade utilization of the energy of the strata output; the gas processed by the oil-gas-water separator enters a turbine power generation unit via a natural gas outlet pipeline and is used for driving the steam turbine to generate power. The method has the beneficial effects that the pressure energy, thermal energy and gravitational potential energy of the water and the gas processed by the oil-gas-water separator are comprehensively used for pushing an impeller of a prime motor to rotate and driving the generator to generate power, thus realizing the purpose of using the residual energy and pressure producing the discharged water and gas for pushing the water turbine or a gas turbine to generate power, realizing the utilization of the residual energy and pressure, providing clean and unpolluted power source for oil fields, reducing the consumption of fossil energy, and realizing energy conservation and emission reduction.

The invention discloses an agricultural soybean screening device. According to the agricultural soybean screening device, a driven shaft is transmitted by belts at the upper end of a driving shaft, abearing at the upper end of the driven shaft is rotationally connected with the device body, the lower end of the driven shaft is fixedly connected with a turntable, and a first leaking hole is formedin the surface of the turntable; and a fixed plate is arranged at the lower end of the turntable, a second leaking hole is formed in the surface of the fixed plate and in a fan-arc shape, a fan-shaped barrel is arranged at the lower end of the fixed plate, an inferior arc rack is fixedly connected with the end portion of the surface on the right side of the fan-shaped barrel, and the left end ofthe fan-shaped barrel is hinged with the device body. According to the agricultural soybean screening device, batch feed is achieved through the function of the turntable and the fixed plate and enabled the fan-shaped barrel to swing up and down in a reciprocating mode, accordingly a hollow barrel is driven to rotate in positive and negative directions in a reciprocating mode to drive a sieve plate to move left and right in a reciprocating mode to screen, and the gravitational potential energy of soybeans is transformed into mechanical kinetic energy. The agricultural soybean screening deviceis reasonable and practical in structural design, soybean screening is achieved through a transmission mechanism, the gravitational potential energy of the soybeans is transformed into kinetic energyskillfully, energy is saved, and the working efficiency of soybean screening is greatly improved.

A method of deploying a constellation of satellites, the method comprising the following steps:

• • using a single launcher to deploy (10) a plurality of satellites at an initial altitude on an initial orbit;
  • controlling said satellites (20) in such a manner that each satellite reaches a drift altitude selected from a drift set, with the orbits of the various satellites shifting (30) relative to one another at the respective drift altitudes under the effect of the gravitational potential of the Earth; and
  • controlling (40) the satellites in such a manner as to be moved sequentially in order to reach the same final altitude, said sequential movement being performed in such a manner that the satellites describe final orbits that are angularly offset relative to one another.

The invention relates to an energy machine of an electric energy circulating machine, which mainly comprises a flywheel, a generator, a gear, a motor, a pushing gear, a pushed gear, a semicircular gear, a crankshaft, a main connecting rod, a lever, a spring, a single-fluke coupling clutch, a castellated clutch, an inner pawl pushed gear, a ratchet, a pawl, a rack, an air-pressure spring, a cylindrical cam, a belt pulley, a belt, a chain wheel, a chain, a conical gear, a cam, a gravitational potential energy body and an elastic potential energy body which can be mutually assembled to form an acceleration and deceleration mechanism. The energy machine can store the energy for above 10 hours. The energy machine has the advantages of smart and simple structure, convenient and easy manufacturing, long running time, and low cost. The energy machine can be applied to power generation and all the places needing power such as automobile power, ship power, plane power, industrial power and the like. Furthermore, the energy machine can work under the high-temperature and low-temperature environment.

The invention discloses a gear shifting and sliding mechanism for a carbon-free cart for traveling up and down a hill. The gear shifting and sliding mechanism comprises a power transmission module and an electronic control module. The power transmission module comprises a rear driving wheel half axle, a rear driven wheel half axle and a winding shaft provided with a cone axle sleeve. The rear driving wheel half axle is connected with an inside and outside spline sleeve capable of axially moving through a spline, and the sleeve is connected with the winding shaft through two pairs of constant mesh gears. The electronic control module comprises a single chip microcomputer, an infrared tube, a wheel speed sensor and two direct current type electromagnets capable of making the constant mesh gears shift gears. When the carbon-free cart travels up and down the hill, the single chip microcomputer sends different instructions according to electrical signals sent by the infrared tube and the grating wheel speed sensor to control the different direct current type electromagnets to be powered on or powered off, so that a power transmission line is converted between the two pairs of constant mesh gears to finish gear conversion between a level road and a ramp. The gear shifting and sliding mechanism has the advantages of being capable of performing intelligent detection, accurately changing driving force, saving gravitational potential energy and making the cart have a uniform traveling speed and the like.