47results about How to "Increase gravitational potential energy" patented technology

The invention discloses screening equipment for corn kernels, and relates to the field of corn screening. The screening equipment comprises a machine shell, an arc-shaped track is arranged on the front side of an inner cavity of the machine shell, a sliding block is slidably connected to the inner wall of the arc-shaped track, and one side of the sliding block extends to the rear side of the arc-shaped track and provided with a connecting rod. A screen cloth is arranged at one end of the connecting rod, a permanent magnet is fixedly installed on one side of the screen cloth, and an electromagnet is fixedly installed on one side of the inner side of the machine shell. A servo motor is fixedly installed at the top of the machine shell, a main shaft is connected to one end of a rotating shaftof the servo motor in a transmission mode, one end of the main shaft extends into the machine shell and fixedly provided with a rotating mechanism, and an elastic recovery mechanism is fixedly installed on the other side of the inner wall of the machine shell. The screening equipment for the corn kernels can apply gravitational acceleration to the screen cloth to increase the gravitational potential energy of the screen cloth when shaking, thereby increasing the vibration amplitude of the screen cloth, the corn kernels are screened more cleanly, and uniformity of the corn kernels is ensured.

The invention discloses a corn grain screening device and method and relates to the field of corn screening. The corn grain screening device comprises a machine shell. An arc rail is arranged on the front side of the inner cavity of the machine shell. The inner wall of the arc rail is connected with a slider in a sliding manner. One side of the slider extends to the back side of the arc rail and is provided with a connection rod. One end of the connection rod is provided with a screen net. One side of the screen net is fixedly provided with a permanent magnet. An electromagnet is fixedly installed on one side of the inner wall of the machine shell. A servo motor is fixedly installed on the top of the machine shell. One end of a rotating shaft of the servo motor is in transmission connection with a main shaft. One end of the main shaft extends into the machine shell and is fixedly provided with a rotating mechanism. A springback mechanism is fixedly installed on the other side of the inner wall of the machine shell. The corn grain screening device can exert one gravitational acceleration on the screen net so as to increase the gravitational potential energy during screen net shaking, so that the vibration amplitude of the screen net can be improved, then the corn grain is screened more thoroughly, and the uniformity of corn grain screening is guaranteed.

The invention relates to a rotating wheel device and power generation equipment. A fixed weight and a movable weight are arranged on a rotating wheel so as to enable the rotating wheel to generate imbalance continuously and rotate by moving the movable weight back and forth, or a weight and at least one cantilever are arranged on the rotating wheel, and an external force is applied to the cantilever so as to enable the rotating wheel to generate imbalance continuously and rotate. The rotating wheel device fully utilizes the lever principle, only needs a small amount of electrical energy to enable the rotating wheel to generate larger mechanical energy, and converted electric energy is more than consumed electric energy. Small parts designed by the rotating wheel device can be used as toysand handicraft articles, and large parts designed by the rotating wheel device can be used as landscape. The power generation equipment formed by combining the rotating device for power generation andan associated device is free from the limitation of natural conditions on installation and the power generation, can carry out the all-weather power generation throughout the year, and has no pollution on environment during the power generation, less investment, short construction periods and low cost of the power generation.

The invention discloses a spherical stirring device. The spherical stirring device comprises a spherical tank and a plurality of stirring plates, wherein a stirring cavity is formed in the spherical tank, the stirring plates are evenly installed in the stirring cavity, rotary shaft holes allowing a rotary shaft to pass through are formed in the two ends of the spherical tank, a material access port and a water drainage port are formed between the rotary shafts holes in the two ends, a plurality of ventilation holes are formed in the periphery of one rotary shaft hole, and a plurality of mist spray holes are formed in the periphery of the other rotary shaft hole. The spherical stirring device is simple in structure, convenient to operate and good in stirring effect.

The invention discloses a device for co-producing a phenol-enriching liquid and iron-doped carbon electrode material. The device comprises a wood tar catalytic thermal decomposition rotary reactor and an iron-doped carbon activation furnace, wherein the wood tar catalytic thermal decomposition rotary reactor comprises a feeding packing auger, a wood tar spraying nozzle, crushing iron balls, a screen mesh, a rough and fine grain separator and a gas-solid separator; an iron ore catalyst is sufficiently crushed and sieved and is in sufficient contact with wood tar, so that the wood tar is subjected to sufficient catalytic thermal decomposition reaction to generate high-quality phenol-enriching liquid and iron-doped carbon product; the iron-doped carbon activation furnace comprises an activated gas spraying nozzle, rotary fan blades and a high-temperature flue gas flue; high-temperature activated gas forms intensive disturbance under the action of the rotary fan blades and the high-temperature activated gas and iron-doped carbon, which moves downward layer by layer, are subjected to deep activation reaction to prepare a super-capacitor iron-doped carbon electrode material. According to the device disclosed by the invention, two grades of wood tar catalytic thermal decomposition and iron-doped carbon activation reaction are utilized and high-quality phenol-enriching liquid products and super-capacitor iron-doped carbon electrode materials can be prepared; efficient and high-value utilization of the wood tar can be realized.

The invention relates to an automatic nail insertion device of a prefabricated laminated plate with positioning nails. The automatic nail insertion device of the prefabricated laminated plate with thepositioning nails comprises a horizontal sliding mechanism, a longitudinal sliding mechanism, a nail entering mechanism and a flattening mechanism, wherein the nail entering mechanism comprises an insertion assembly arranged on the longitudinal sliding mechanism, a cement collecting assembly used for chiseling a pit in a cement board in a closed state and used for collecting scattered cement intothe chiseled pit in an opened state, a pressure limiting assembly arranged on the insertion assembly in a sleeving mode and used for limiting the scattered cement and a control assembly which is linked with the cement collecting assembly and used for controlling the nails in the insertion assembly to perform intermittent discharging; and the flattening mechanism comprises a tensioning assembly which is arranged at the rear of the moving track of the insertion assembly and is used for flattening the cement board with nail-driving completing and a guiding assembly which is used for guiding thesliding track of the tensioning assembly. The technical problems that large-sized stones are encountered and the pit is difficult to chisel when a hole is drilled on a prefabricated board after solidification, and after the nails are installed vertically, the installation of a heating pipe is affected due to falling off of the nails are solved

The invention relates to environmental protection ball grinding equipment with high work efficiency for mineral separation. The environmental protection ball grinding equipment comprises a base plate,a rotary tube, a feeding pipe, a transmission shaft and two bearing seats, the feeding pipe and the transmission shaft are both coaxially arranged relative to the rotary tube, the external diameter of the feeding pipe is equal to the diameter of the transmission shaft, the feeding pipe communicates with one end of the rotary tube, the transmission shaft is fixed to the other end of the rotary tube, the two bearing seats are respectively mounted on the feeding pipe and the transmission shaft, the bearing seats are fixed to the base plate, the base plate is provided with a driving device, the driving device is connected with the transmission shaft in a transmission mode, and the rotary tube is provided with a ball grinding mechanism and a discharging mechanism. According to the environmental protection ball grinding equipment with the high work efficiency for the mineral separation, the gravitational potential energy of grinding balls is added through the ball grinding mechanism, the work efficiency is improved, furthermore, surrounding atmosphere polluted by dust is avoided through the discharging mechanism, and the environmental effect is achieved.

The invention discloses a building capable of generating electricity through combination of potential energy and solar energy. An aboveground part comprises a building body and a solar battery pack; an underground part comprises a bearing base plate, a pump, one or more hydraulic mechanical lifting devices, a motor and a generator; the building body is borne by the bearing base plate; the hydraulic mechanical lifting devices are mounted below the bearing base plate; the motor is powered by the solar battery pack; the motor drives the pump; the pump controls the hydraulic mechanical lifting devices; the hydraulic mechanical lifting devices are connected with the generator. The building has the advantages that a solar power generation system is improved, and a storage battery is replaced by using the gravitational potential energy of the building, so that the service life of the system is prolonged, the production process of the storage battery is eliminated, and pollution of a material of the storage battery to the environment is reduced. Therefore, the building meets requirements on sustainable development, and represents a progressive direction of science and technology development.

The invention discloses an environment-friendly street lamp which comprises a base, a vertical rod, a water accumulation mechanism and an energy-saving lamp, the top of the base is fixedly connected with the bottom of the vertical rod, the top of the vertical rod communicates with the bottom of the water accumulation mechanism through a water passing pipe, and the top of the vertical rod is fixedly connected with the outer side of the energy-saving lamp through a supporting rod; and the vertical rod comprises a vertical frame, the inner wall of the vertical frame is fixedly connected with a water control mechanism and a drainage mechanism, and the drainage mechanism is located under the water control mechanism. The invention relates to the technical field of environment protection. The environment-friendly street lamp solves the problems that in existing life, energy consumption is serious, the environment is polluted, most common street lamps are replaced by solar street lamps, but in some southern areas with much rainwater, the solar street lamps are prone to damage after being corroded by acid rain for a long time, a solar cell panel is corroded by rainwater, the risk of electric leakage exists, and unsafe factors exist.

The invention relates to a combined process for enabling effluent COD, BOD5, NH3-N and TP indexes to reach ground surface IV-type water standard. The combined process comprises the following steps: acoarse screen and a primary lifting pump room module are used for carrying out primary filtration and sewage lifting; a fine grid and a gas stripping grit chamber module are used for filtering and removing sand again; a primary enhanced efficient clarification tank module is used for carrying out PAC and PAM sewage treatment reaction; a fine grid and a secondary lifting pump room module are used for filtering again and lifting the sewage to increase a water head; a primary biological aerated filter module decomposes COD, BOD and NH3-N in the sewage; a secondary biological aerated filter moduleperforms nitration reaction by utilizing NH3N in the sewage; and magnetic powder is added into a magnetic coagulation clarification tank module, sludge flows back, and tiny flocs wrap the magnetic powder, so that subsequent flocculation and sedimentation are facilitated. The process is suitable for low-concentration town sewage treatment, and reaches the ground surface IV-class water standard; and the two stages of lifting pump stations reduce the filling and excavation work amount during construction, and are particularly suitable for places with poor geological conditions.

The invention discloses a ball-milling wet-process mixing device for producing a lithium battery negative electrode material precursor. The device comprises a supporting bottom plate, a roller mechanism is arranged on the supporting bottom plate, the roller mechanism is a double-layer cylinder structure, two ends of the roller mechanism are rotatably connected with a connecting frame, the end part of the connecting frame is fixedly provided with an electromagnet, the electromagnet is located over the roller mechanism, a controller is fixedly installed on the side face of the supporting plate, and the controller controls the electromagnet to intermittently supply power. According to the ball-milling wet-process material mixing device for producing the lithium battery negative electrode material precursor, the electromagnet is intermittently electrified and is magnetically connected with the fixed magnet, so that an inner sliding block is driven to slide in the inner cavity, meanwhile, the inner barrel body in the outer barrel body is subjected to high-frequency vibration under the action of a vibration spring, thus the steel balls efficiently collide with the graphite material in the outer barrel, the shape of the material is quickly trimmed, and the material is uniformly mixed.

Disclosed is an apparatus that floats at the surface of a body of water over which waves pass. Passing waves cause a nominally vertical axis of the apparatus to tilt away from an axis normal to the resting surface of the body of water. Tilting of sufficient magnitude and duration allows a fluid to flow through a channel that in an un-tilted apparatus would require the gravitational potential energy of the fluid to increase (i.e., to flow uphill), but, because of the tilt allows the fluid to flow through the channel in a downhill direction. Flowing water is trapped at a plurality of levels which in an un-tilted apparatus are higher than the respective levels from which the fluid has flowed. A subsequent tilt of the apparatus in a sufficiently different direction, and of a sufficient magnitude and duration, causes the trapped water to flow to new, yet higher levels. Successive wave-driven tilts of the apparatus incrementally raise water to a height and / or head from which a portion of its gravitational potential energy can be released, and / or converted to electrical power, by causing the water to return to a lower level by flowing through a water turbine thereby energizing an operationally connected generator, or through some other apparatus that performs a useful function when supplied with a flow of high-pressure water.

The invention belongs to the technical field of livestock feeding devices and particularly discloses a cattle raising system having a self-cleaning function. The cattle raising system comprises a breeding house, wherein the breeding house is provided with a fodder trough, a water storage trough, a first support, a second support, a dirt discharge groove, a supporting plate and a rack, wherein a rotary shaft is arranged on the water storage trough and is fixedly connected with a water wheel, a sliding groove is formed in the first support, a first rotating roller is arranged in the sliding groove, a chain is connected between the first rotating roller and the rotary shaft, gears are arranged on two sides of the first rotating roller, a second rotating roller is arranged on the second support, a conveying belt is connected between the first rotating roller and the second rotating roller, a manure pit is arranged below the breeding house, a U-shaped pipe is arranged between the dirt discharge groove and the manure pit, a tooth-free portion is arranged on the rack, and the rack is meshed with the gears. The cattle raising system is mainly used for cattle raising, and the problem is solved that manure produces smell in scorching summer and is awful and vomitive in the manual manure clearing process.

Disclosed is an apparatus that floats at the surface of a body of water over which waves pass. Passing waves cause a nominally vertical axis of the apparatus to tilt away from an axis normal to the resting surface of the body of water. Tilting of sufficient magnitude and duration allows a fluid to flow through a channel that in an un-tilted apparatus would require the gravitational potential energy of the fluid to increase (i.e., to flow uphill), but, because of the tilt allows the fluid to flow through the channel in a downhill direction. Flowing water is trapped at a plurality of levels which in an un-tilted apparatus are higher than the respective levels from which the fluid has flowed. A subsequent tilt of the apparatus in a sufficiently different direction, and of a sufficient magnitude and duration, causes the trapped water to flow to new, yet higher levels. Successive wave-driven tilts of the apparatus incrementally raise water to a height and / or head from which a portion of its gravitational potential energy can be released, and / or converted to electrical power, by causing the water to return to a lower level by flowing through a water turbine thereby energizing an operationally connected generator, or through some other apparatus that performs a useful function when supplied with a flow of high-pressure water.

The invention discloses a mattress production process. The mattress production process comprises the following steps that a, feeding and feeding detection are carried out, specifically, whether raw materials are suitable and qualified or not is directly related to the production and quality of mattress finished products; b, cotton pleating and spring connecting are carried out, specifically, cotton pleating is to turn cotton used in mattress fabrics onto a cloth material, a final expression form is the bottom fabric on the topside of a mattress, and spring connecting is to connect coil springsinto a whole; c, bed cutting and bed net manufacturing are carried out, specifically, the bed cutting is to cut the cloth material which is subjected to cotton pleating to the size of a mattress, anda bed net is formed by fixing a spring net formed by spring connecting, an interlocking spring net or an independent bag spring net with frame iron according to the bed net manufacturing; d, bottoming is carried out, specifically, cotton felt or other cushion layers are spread on the bed net, and then fabrics which are subjected to cotton pleating is placed; e, edge surrounding is carried out, specifically, the finished mattress is placed on a machining table, and the upper fabric and the lower fabric are sewed together through a edge surrounding machine; and f, finished product inspection iscarried out, specifically, all indexes of the manufactured mattress products are inspected, and the manufactured mattress products are packaged before leaving the factory.

The invention relates to the technical field of deep sea sampling, in particular to a deep sea long-column-shaped sampler with an adjusting mechanism. The deep sea long-column-shaped sampler comprises a device body, the device body comprises a long-column-shaped sampler body, water accumulation tanks are fixedly mounted on two sides of the long-column-shaped sampler body, and fixing plates are fixedly mounted in the water accumulation tanks. During use, a screw rotates to control whether the sealing block and the inner wall of the feeding pipe are attached and sealed or not, so that the water amount in the water accumulation tank is controlled, the density of the water accumulation tank is adjusted, when the water amount in the water accumulation tank is large, the overall density of the water accumulation tank is increased, the gravity of the device is increased, buoyancy borne by the device is reduced, and the water accumulation tank is prevented from being blocked. The gravitational potential energy during lowering of the device is increased, at the moment, the whole device is inserted into the seabed sediments deeper, otherwise, the whole device is inserted into the seabed sediments shallower. The lowering speed of the device in the deep sea can be conveniently adjusted in the mode, and therefore the seabed sediments of different depths can be conveniently sampled.

The invention belongs to the field of real stone paint, particularly relates to automatic real stone paint production equipment, and aims to solve the problem that the cost is high as finished natural granite, natural gravel, stone powder and other kinds of gravel are generally purchased as raw materials during existing real stone paint production. According to the scheme, the automatic real stone paint production equipment comprises a base, wherein two stand columns are symmetrically and fixedly mounted at the top of the base, the same transverse plate is fixedly mounted at the top ends of the two stand columns, and a connecting rod is slidably connected to the transverse plate. According to the automatic real stone paint production equipment, a hammer head can be driven to fall multiple times by starting a driving motor, so that excess materials can be impacted, and the excess materials can be effectively crushed; the crushed particles can be filtered by using a screen, so that real stone paint particles with uniform sizes can be obtained; and meanwhile, raw materials can be purchased in the mode of purchasing excess materials and waste materials, so that the production cost can be greatly reduced.

Disclosed is an apparatus that floats at the surface of a body of water over which waves pass. Passing waves cause a nominally vertical axis of the apparatus to tilt away from an axis normal to the resting surface of the body of water. Tilting of sufficient magnitude and duration allows a fluid to flow through a channel that in an un-tilted apparatus would require the gravitational potential energy of the fluid to increase (i.e., to flow uphill), but, because of the tilt allows the fluid to flow through the channel in a downhill direction. Flowing water is trapped at a plurality of levels which in an un-tilted apparatus are higher than the respective levels from which the fluid has flowed. A subsequent tilt of the apparatus in a sufficiently different direction, and of a sufficient magnitude and duration, causes the trapped water to flow to new, yet higher levels. Successive wave-driven tilts of the apparatus incrementally raise water to a height and / or head from which a portion of its gravitational potential energy can be released, and / or converted to electrical power, by causing the water to return to a lower level by flowing through a water turbine thereby energizing an operationally connected generator, or through some other apparatus that performs a useful function when supplied with a flow of high-pressure water.

The invention discloses an environment-friendly anti-blocking structure for a sewer pipe of a vegetable washing basin, and belongs to the technical field of sewer pipes. The environment-friendly anti-blocking structure comprises an anti-blocking pipeline, a drainage main pipe and a vegetable washing basin, wherein the bottom end of the drainage main pipe is connected with the anti-blocking pipeline; the anti-blocking pipeline comprises a front-section pipe, a middle pipe and a rear-section pipe which are integrally formed; a connecting box which communicates with a connecting port is obliquely arranged at the bottom of the anti-blocking pipeline at the joint position; a rotating cylinder is obliquely arranged in an upper cavity of the connecting box through a bearing; a spiral sliding groove is formed in the inner side wall of the rotating cylinder; and a piston cylinder is connected to the interior of the rotating cylinder in a sliding mode. According to the environment-friendly anti-blocking structure, a drainage fan is driven to rotate through water flow, and the rotating cylinder is driven to rotate; and balls in semicircular clamping grooves in the two sides of the bottom of the piston cylinder are matched with the spiral sliding groove formed in the inner side wall of the rotating cylinder, so that the piston cylinder moves along the interior of a third anti-blocking circular straight pipe, blocking objects are conveyed, the interior of the anti-blocking pipeline is prevented from being blocked, and the use is convenient.

The invention discloses a pneumatic flat-plate vibrator, which comprises a bottom plate and a vibration tube, wherein the vibration tube is internally provided with a ball body. The pneumatic flat-plate vibrator is characterized in that the vibration tube is connected with the bottom plate via an elastic part; the vibration tube is provided with an air inlet and an air outlet opposite to the air inlet horizontally; and the diameter of the air inlet is larger than that of the air outlet. According to the technical scheme of the invention, energy of high-pressure gas is more effectively converted into concrete pressure, thereby improving the working efficiency; and the pneumatic flat-plate vibrator can be applied to different construction scenes.

The invention belongs to the technical field of livestock feeding devices and particularly discloses a cattle raising system having a self-cleaning function. The cattle raising system comprises a breeding house, wherein the breeding house is provided with a fodder trough, a water storage trough, a first support, a second support, a dirt discharge groove, a supporting plate and a rack, wherein a rotary shaft is arranged on the water storage trough and is fixedly connected with a water wheel, a sliding groove is formed in the first support, a first rotating roller is arranged in the sliding groove, a chain is connected between the first rotating roller and the rotary shaft, gears are arranged on two sides of the first rotating roller, a second rotating roller is arranged on the second support, a conveying belt is connected between the first rotating roller and the second rotating roller, a manure pit is arranged below the breeding house, a U-shaped pipe is arranged between the dirt discharge groove and the manure pit, a tooth-free portion is arranged on the rack, and the rack is meshed with the gears. The cattle raising system is mainly used for cattle raising, and the problem is solved that manure produces smell in scorching summer and is awful and vomitive in the manual manure clearing process.

The invention discloses an ore crushing and screening integrated device, in particular to a device for crushing and screening ores by driving a sorting mechanism and a crushing mechanism at the same time through a power part, wherein the crushing mechanism uses gravitational potential energy to crush, compared with Compared with traditional mechanical forced crushing, the wear is smaller and the failure rate is lower. It includes a barrel body, a power part installed on the barrel body to provide power for crushing and screening, a sorting mechanism connected to the power part, and a crushing mechanism connected to the sorting mechanism, and the sorting mechanism includes an output part connected to the power part , an eccentric piece installed on the output piece, and a screening piece arranged above the eccentric piece for screening ore, wherein the screening piece is also provided with a limit assembly for restricting the movement direction of the screening piece.

The invention discloses an environment-friendly anti-blocking structure for the sewer pipe of the vegetable washing basin, which belongs to the technical field of sewer pipes, and includes an anti-blocking pipe, a drainage main pipe and a vegetable washing pool. The bottom end of the drainage main pipe is connected with an anti-blocking pipe. The anti-blocking pipeline includes an integrated front section pipe, middle pipe and rear section pipe. The bottom of the anti-blocking pipeline at the interface position is obliquely provided with a connection box connected to the connection port. The inside of the upper chamber of the connection box is installed obliquely through a bearing The rotating cylinder is provided with a spiral chute on the inner wall of the rotating cylinder, and a piston cylinder is slidably connected to the inside of the rotating cylinder. The invention drives the drainage fan to rotate through the water flow and drives the rotating cylinder to rotate, and the balls inside the semicircular grooves on both sides of the bottom of the piston cylinder and the spiral chute on the inner wall of the rotating cylinder cooperate with each other to make the piston cylinder move along the anti-circular straight line. The inside of the pipe three is moved to transport the blockage to prevent the internal blockage of the anti-blocking pipe, which is convenient to use.

The invention relates to an automatic nail insertion device for prefabricated laminated panels with positioning nails, comprising: a horizontal sliding mechanism; a longitudinal sliding mechanism; A mud collection assembly for sinking the cement that has been excavated on the cement board and dissipated in the open state into the excavation pit, a pressure limiting assembly and a mud collection assembly that is sleeved on the insertion assembly and used to limit the disintegration of cement A control component that is set in linkage and is used to control the intermittent discharge of nails in the insertion component; The tensioning assembly for paving work and the guiding assembly for guiding the sliding track of the tensioning assembly; the invention solves the problem of large-grained stones encountered when drilling holes on the prefabricated slab after solidification, making it difficult to dig a hole, and the nails are vertical After installation, it may cause falling off, which will affect the technical problems of heating pipe installation.

An apparatus that floats at the surface of a body of water over which waves pass, causing a nominally vertical axis of the apparatus to tilt away from an axis normal to the resting surface of the body of water. Tilting allows a fluid to flow through a channel that in an un-tilted apparatus would require the gravitational potential energy of the fluid to increase (i.e., to flow uphill), but, because of the tilt allows the fluid to flow through the channel in a downhill direction. Successive wave-driven tilts of the apparatus incrementally raise water to a head from which a portion of its gravitational potential energy can be converted to electrical power by causing the water to return to a lower level by flowing through a water turbine, or through some other apparatus that performs a useful function when supplied with a flow of high-pressure water.

The invention discloses screening equipment for corn kernels, and relates to the field of corn screening. The screening equipment comprises a machine shell, an arc-shaped track is arranged on the front side of an inner cavity of the machine shell, a sliding block is slidably connected to the inner wall of the arc-shaped track, and one side of the sliding block extends to the rear side of the arc-shaped track and provided with a connecting rod. A screen cloth is arranged at one end of the connecting rod, a permanent magnet is fixedly installed on one side of the screen cloth, and an electromagnet is fixedly installed on one side of the inner side of the machine shell. A servo motor is fixedly installed at the top of the machine shell, a main shaft is connected to one end of a rotating shaftof the servo motor in a transmission mode, one end of the main shaft extends into the machine shell and fixedly provided with a rotating mechanism, and an elastic recovery mechanism is fixedly installed on the other side of the inner wall of the machine shell. The screening equipment for the corn kernels can apply gravitational acceleration to the screen cloth to increase the gravitational potential energy of the screen cloth when shaking, thereby increasing the vibration amplitude of the screen cloth, the corn kernels are screened more cleanly, and uniformity of the corn kernels is ensured.

The invention discloses an electric power cabinet which comprises an electric power cabinet body composed of a cabinet body, a water collection box, an exhaust fan, an impurity prevention mechanism and a sewage tank, the top of the cabinet body is fixedly connected with the bottom of the water collection box, the left side of the cabinet body is fixedly connected with the outer side of the exhaust fan, and the impurity prevention mechanism comprises a sealing plate. The invention relates to the technical field of electric power. The electric power cabinet solves the problems that when electric power equipment runs, a large amount of current flows through the electric power equipment through a wire, so that a magnetic field exists in the equipment cabinet, dust in air is attracted by the magnetic force of the magnetic field and enters the cabinet body through the heat dissipation holes, and the dust is attracted to the inner walls of the heat dissipation holes by the magnetic force, so that the internal temperature of the equipment cabinet rises; and the problems of unstable operation of power equipment, potential safety hazards, equipment damage caused by the fact that rainwater easily enters the cabinet body through heat dissipation holes, long-term exposure of the equipment in the air, easy coverage of the heat dissipation holes by spider webs and the like, and further influence on heat dissipation in the power cabinet in the prior art are solved.

The invention discloses a lifting and separating device which comprises a first-stage lifting mechanism, a first-stage separating mechanism and a second-stage lifting mechanism, the first-stage lifting mechanism can convey mixed materials located at a first station to a second station, the first-stage separating mechanism can receive the mixed materials conveyed by the first-stage lifting mechanism and input the mixed materials into a third station, and the second-stage separating mechanism can receive the mixed materials conveyed by the second-stage lifting mechanism and input the mixed materials into a fourth station. The second-stage lifting mechanism can convey the mixed material at the third station to the fourth station; the first-stage separation mechanism comprises a first-stage separation bin and a first-stage screen, the first-stage separation bin is communicated with the second station and the third station, and when the mixed materials penetrate through the first-stage screen, the materials with large particles can be intercepted. The first-stage separation mechanism is arranged between the high position (the second station) and the low position (the third station), and the mounting position of the first-stage screen can be close to the ground, so that on one hand, the separation condition of mixed materials can be conveniently observed manually, and on the other hand, the first-stage screen can be conveniently cleaned or overhauled by an operator.

The invention discloses a rail-mounted transportation device applied to a wind power station. The rail-mounted transportation device applied to the wind power station comprises a tower drum and a tower frame arranged at the top of the tower drum, wherein a wind generating set is arranged on the tower frame; a rail mechanism is arranged in the center of the tower drum; a wind power guide mechanismis arranged on the tower drum and connected with an energy storage mechanism; the rail mechanism comprises a rail and a crawling ladder; a transportation base is connected with a steel cable; the steel cable is connected with the energy storage mechanism; the wind power guide mechanism is connected with a speed reducer through a wind turbine; the energy storage mechanism raises a counter weight toimprove the gravitational potential energy of the counter weight, and the counter weight descends to convey maintenance personnel as required; a first electromagnetic clutch is connected between a speed reduction output shaft and a first roller; and a second electromagnetic clutch is connected between the output shaft and a second roller. By means of the arrangement, energy can be stored throughwind power, vertical transportation of the maintenance personnel and maintenance tools is completed from top to bottom, the advantage of high work efficiency is realized, and meanwhile, the safety ofthe maintenance personnel can be guaranteed in the transportation process.

The invention discloses a distiller's yeast fermentation device, which comprises a yeast case and a machine frame, wherein the yeast case is provided with a rotating shaft; the rotating shaft is arranged on the yeast case; a rack is arranged on the machine frame; the bottom of the rack is meshed with a third gear; the third gear is arranged on the rotating shaft; the upper part of the rack is meshed with a first gear and a second gear; a water tank is arranged above the first gear and is communicated with a first turbine case; a first main shaft of a first turbine is fixedly connected with the central position of the first gear; the first turbine case is communicated with a first water storage tank; the first water storage tank is communicated with a first water pump; the first water pump is communicated with the first water tank; one side of the second gear and one side of the first gear are arranged similarly; a first switch for opening the first water pump and closing a second water pump is arranged on the machine frame at one end, far away from the second gear, of the first gear of the rack; and a second switch for opening the second water pump and closing the first water pump is arranged on the machine frame at one end, far away from the first gear, of the second gear of the rack. The scheme of the invention has low cost and guarantees distiller's yeast fermentation quality.