49results about How to "Reduce travel speed" patented technology

An industrial truck includes at least one electronic control unit for traction functions and/or lifting functions of the industrial truck and at least one communications device for data transfer with object identification means, such as with RFID transponders. Connections can be provided for the transmission of data between the communications device and the electronic control system for traction functions and/or lifting functions of the industrial truck.

The invention relates to a method and an arrangement for operating a magnetically levitated vehicle by means of an arrangement having at least one long-stator linear motor. The linear motors are sub-divided longitudinally of a track into individual motor regions (A3, A4) in which only one vehicle (7e, 7f) at a time can normally travel. To increase the vehicle concentration along the track, provision is made in accordance with the invention for selected motor regions (A4) to be divided into at least two mutually independent motor region sections (A4a, A4b) and for one vehicle (7f, 7g) to be operated in each motor region section (A4a, A4b) at a part of that power which is preset for each motor region (A4).

The invention discloses a self-propelled peeping probe adapted to different diameters of drill holes and a peeping method thereof. The probe comprises a peeping probe body, a camera, walking wheels, rocker arms connected to the walking wheels, and an operating host. The rock arms can achieve a certain angle of damping opening and closing under the effects of internal torsion springs and gas springs and have alarm functions, and the rocker arms can be fixed in grooves of a peeping probe side through locking holes and locking blocks. The self-propelled function of the peeping probe in a drill hole can be achieved through an internal power supply, a driving motor, a video processing module, a control module, a WIFI module and the external operating host. The peeping probe has the advantages of centered drill hole, self-propelling and less workers in operation in a drilling peeping operation process, the complexity in a conventional drilling peeping operation is reduced, a push rod and a video transmission line are removed, auxiliary accessories are greatly reduced, and a new solution is provided for determining the fracture of a rock mass through drilling peeping in underground engineering.

A transfer belt unit and an image forming apparatus having the same are provided. The transfer belt unit includes a transfer belt circulating and traveling and transferring a toner image formed on a photosensitive body onto a printable medium. A plurality of support rollers support an inner circumference of the transfer belt. A pair of belt guides respectively attached to both edges of the inner circumference of the transfer belt are engaged with a regulating portion disposed in the support rollers to allow the transfer belt to travel in a substantially straight line and each having a joint portion. The joint portion comprises first and second ends separated from each other to be substantially parallel to each other when inclined with respect to a traveling direction of the transfer belt. The second end is located in a posterior position of the first end with respect to the traveling direction of the transfer belt and an external edge of the second end is chamfered.

The invention discloses a self-adaptation control device of a grain harvesting machine header. A header body is connected with a vehicle body axle of a harvesting machine; one end of a reel bracket isconnected with the header body, and a reel is installed at the other end of the reel bracket; spring tooth shafts are installed on the reel, and spring teeth are installed on the spring tooth shafts;a cutter pendulum ring box is installed below the reel; shaft heads at the two ends of an auger are fixed to the two side walls of the header body through bearings; a cutter is installed on a pendulum rod of the cutter pendulum ring box; by utilizing an information collection device, the work state of the harvesting machine is acquired, and adjustment is conducted. The invention discloses the self-adaptation control device and method of the grain harvesting machine header. For matching of the operation state of the harvesting machine header and the operation speed and feeding quantity of theharvesting machine header, the problems are solved that in order to adapt to different operation conditions, an operator needs to adjust the operation state of the harvesting machine header frequently, and otherwise the harvesting machine cannot work stably; the work efficiency is greatly improved, and the failure rate of the harvesting machine is reduced.

The invention discloses a technology of direct reduction of nickel-iron particles from laterite-nickel ores in a rotary kiln, comprising the steps of mixing the laterite-nickel ores, carbon reductant and limestone, then briquetting the mixtures into mixed pellets on a briquetting machine; sintering the mixed pellets through a preheating section and removing crystal water in the rotary kiln, reducing nickel elements at a transition section, and then entering into a sintering section to reduce iron elements and the nickel elements and metal particles grow up. Wherein, the temperature of the sintering section near the transition section is controlled within such scope that the materials are kept in solid state, and the kiln ringing can be prevented while keeping the metal reduction temperature; the temperature of the sintering section located at a kilneye is controlled within such scope that the materials are kept in half-molten state. Since the kilneye of the rotary kiln is in a throat structure, heat is uneasy to dissipate, in favor of reduction and enrichment of metal; even sometimes minor ringing occurs, the previous ringing can also be easily removed under the rolling effect of subsequent materials, so that the technology disclosed by the invention plays a foundation for continuous production of direct reduction, and the reduction efficiency of the rotary kiln is improved.

A bicycle having a pedal crank drive (12) and having an electrical auxiliary drive, which is connected to the pedal crank drive (12), is described, which has a wheel hub motor (7) having a freewheel hub for the rear wheel (6). To provide advantageous drive conditions, it is proposed that the wheel hub motor (7) for the rear wheel (6) have a drive connection via a transmission gearing (8) to an electrical auxiliary motor (9) of identical size.

A false-twist stretching method for animal fibres includes wetting and rolling several times, wet and hot storage, false-twist stretching, shape fixating in cold water, and baking. Its apparatus consists of wetting and rolling unit, false-twist stretching unit, two guide rollers, and two squeeze rollers.

The invention relates to a large vacuum hot-pressing furnace which comprises a furnace body framework, a vacuum chamber, an upper molybdenum press head sample table, a lower molybdenum press head sample table, a hydraulic system, a vacuum obtaining system and a heating chamber. The upper molybdenum press head sample table and the lower molybdenum press head sample table are respectively arranged on the upper portion and the lower portion in the vacuum chamber. The lower molybdenum press head sample table is supported by four molybdenum columns. Six-zone temperature control heating is adopted for the heating chamber. A heating chamber metal heat-insulating reflection screen is composed of molybdenum screens and stainless steel screens. The hydraulic system is arranged at the upper end of the furnace body framework. According to the large vacuum hot-pressing furnace, the molybdenum screens and the stainless steel screens are used for shielding in the periphery of the heating chamber, and the six-zone temperature control heating is adopted, so that the heating evenness of the heating chamber is improved, the temperature control precision is +-1DEG C, and the mean temperature of the heating chamber is +-2 DEG C; the displacement precision of the hydraulic system reaches 0.015mm, and the largest tonnage of a hydraulic punch is 200 tons. The large vacuum hot-pressing furnace is favorable for machining precise instruments and large components and has the advantages of being good in heating evenness, high in temperature control precision, quick in temperature rise, high in hydraulic precision, and the like.

The invention provides a biomass drying system, and belongs to the field of biomass fuel drying. The biomass drying system solves the technical problem that power generation efficiency of existing biomass power plants is low. The exhaust gas of a boiler tail of a biomass power plant and the waste heat of the low pressure steam after the steam turbine works are fully utilized. Solar preliminary drying, first-stage rotary drum drying, and second-stage rotary drum drying are adopted. Clean energy is adopted to the whole drying process, and no pollution is produced to the environment. A solar drying room is internally provided with a spiral material conveying channel. Lugs are arranged at a heat dissipating channel in the spiral material conveying channel at intervals. The travel speed of biomass fuel in the material conveying channel is lowered, the standing time is prolonged, heat exchange between the biomass fuel and hot water in the heat dissipating pipe is enhanced, and drying efficiency is improved.

The invention relates to a road de-icing device and de-icing method suitable for a loader, which belongs to the technical field of road de-icing and particularly relates to a detachable de-icing device which is conveniently mounted on the loader. The detachable de-icing device comprises a de-icing mechanism and an ice layer thickness detecting mechanism, the advance speed of the loader and the rotation speed of a milling drum can be automatically adjusted according to the thickness of an ice layer, the de-icing thickness range is large, and the mechanical motion of the ice layer thickness detecting mechanism and the mechanical motion of a limiting device can be automatically controlled by a hydraulic device, thereby realizing intelligent measurement for the road icing thickness. The loader used by the invention is a common operation machine of the road maintenance department, thereby having wide scope of popularization; the loader is used as a power source, thereby avoiding the problem of relatively high cost of a vehicle body of a dedicated de-icing vehicle. Meanwhile, an icebreaking device can be separated from the loader, so that other applications of the loader are not influenced outside the operational period.

A work vehicle includes a target speed setting unit configured to set a desired target speed, a travel speed detecting unit configured to detect a travel speed of a vehicle body, an engine, a work implement attached to the vehicle body and driven by an output of the engine, a travel device, a brake disposed between the travel device and the engine and configured to brake the travel device, a clutch disposed between the engine and the brake and configured to transmit or interrupt power from the engine to the travel device, and a controller configured to reduce a difference between the travel speed and the target speed by controlling an engagement pressure of the clutch and an engagement pressure of the brake.

The invention relates to an air cooling hydraulic station with a secondary heat dissipating pipeline. A switch valve group is arranged at the front end of the upper end face of an oil tank; an oil supply power source is arranged on the upper end face of the oil tank at the rear part of the switch valve group; a fan casing is arranged at the rear end of the upper end face of the oil tank; a heat dissipater is arranged at the outer side, facing the oil tank, of the fan casing; at least one fan is arranged at the inner side, facing the oil tank, of the fan casing; and the secondary heat dissipating pipeline with multiple bends in the vertical direction is arranged on the upper end face of the oil tank between the oil supply power source and the fan casing. According to the air cooling hydraulic station disclosed by the invention, the fans suck cold air from the upper end face direction of the oil tank, and then the cold air is blown out by the outward heat dissipater, so that the heat of other hydraulic components on the upper end face of the oil tank can be taken way when air flows; the secondary heat dissipating pipeline can be produced into a thicker pipeline or can be arranged into multiple layers, so that the advancing speed of oil is reduced, and a secondary heat dissipating effect is better.

The invention provides a biomass drying method, and belongs to the field of biomass fuel drying. The technical problem of low power generation efficiency of an existing biomass power plant is solved.According to the biomass drying method, flue gas on the tail part of a boiler of the biomass power plant and low-pressure steam waste heat after a steam turbine does work are fully utilized, and solarenergy primary drying, primary drum drying and secondary drum drying are adopted, and clean energy is used in the whole drying process, and the environment is not polluted. A spiral material conveying channel is arranged in a solar energy pre-drying chamber, and convex pieces are arranged at intervals on a heat dissipation pipeline in the spiral material conveying channel, so that the traveling speed of biomass fuel in the material conveying channel is slowed down, the residence time is improved, the heat exchange between the biomass fuel and hot water in the heat dissipation pipeline is enhanced, and the drying efficiency is improved.

The invention relates to the mechanical field and relates to wire-dragging device. The wire-dragging device of a rail shuttle vehicle matched with a shuttle storage rack in use comprises a wire-dragging device which comprises a wiring assembly, a winding assembly and a coil fixing wheel shaft; the wiring assembly comprises a slide contact disc and a wiring disc; the winding assembly comprises a driving motor, a winding disc, a winding guide tube and two guide wheels; the driving motor is linked to a coil screw of the winding disc through a synchronous belt, a power supply line winds the winding disc, and the power supply line extending out of the winding disc, penetrating through the winding guide tube, penetrates through a gap between the two guide wheels; the circular slide contact railis arranged on the slide contact disc, and a wiring head in contact with the slide contact rail is arranged on the wiring disc. Furthermore, the wire-dragging device is mounted on the rail shuttle vehicle, so that the rail shuttle vehicle shuttles bidirectionally in the shuttle storage rack in a certain distance range without a battery or a capacitor, so that the manufacturing, using and maintenance costs are lowered, the energy consumption is reduced, and the efficiency, stability and durability are improved, the load of the storage rack is reduced, and therefore, the goods bearing capacity of the storage rack is prevented from being reduced.

The invention provides a traffic signal lamp control method and equipment. The method comprises the steps of acquiring image information of a tracked target, determining a road intersection which thetracked target is about to pass according to the image information, controlling the operation of a traffic lamp at the road intersection which the tracked target is about to pass to slow down the running speed of the tracked target. Through obtaining the image information of a tracked target, combined with the position positioning technology, the road intersection which the tracked target is aboutto pass is determined, then the running speed of the tracked target is reduced through controlling the traffic lamp at the road intersection so as to facilitate relevant departments to quickly intercept the tracked target, and a problem of low efficiency of tracking and intercepting an illegal vehicle in illegal vehicle inspection in the prior art is solved.

The invention relates to the field of wheelchair equipment, in particular to a wheelchair with novel brake devices. The wheelchair comprises a frame, front wheels and rear wheels, the front wheels and the rear wheels are mounted on the lower portion of the frame, the brake devices are mounted on the upper portions of the rear wheels and comprise brake shells, the brake shells are mounted on the frame, parking brake strips are arranged in the brake shells and rotatably mounted on the inner walls of the brake shells, and friction wheels are arranged in the brake shells and can vertically move. The wheelchair with the novel brake devices can solve the problem that the moving speed of an existing wheelchair cannot be reduced.

The invention belongs to the technical field of ballot counters, and discloses a ballot sorting module adopting a side open paper feeding channel. The ballot sorting module comprises a first channel,wherein a positioning connection structure is arranged between the first channel and a reader, so that an inlet of the first channel is in direct communication with an outlet of the reader; a second channel and a third channel are respectively arranged at one end, far away from the reader, of the first channel; a rotary sorting element is arranged between inlets of the second channel and the thirdchannel, and is connected with a first driving device for driving the sorting element to rotate; when the sorting element is positioned at a starting position, the second channel is communicated withthe first channel to form a first sorting channel, and when the sorting element is positioned at a final position, the third channel is communicated with the first channel to form a second sorting channel. The ballot sorting module can complete the automatic sorting of ballots, avoid human errors, and improve the sorting efficiency.

The invention discloses a mine control device for automatic mine laying cars and a use method thereof. The device used in the method includes a mine laying car body, a power device disposed in the mine laying car body, a projectile mine laying device disposed in the mine laying car body, and a falling mine laying device disposed in the mine laying car body. The device is characterized in that thepower device comprises a first switching cavity disposed in the mine laying car body, and the first switching cavity is disposed with a first switching power block that is slidable left and right; a first gear cavity is disposed in the first switching power block. The invention aims to design fully automatic mine-laying, which can be ensured by the detecting device before the mine-laying to ensurethat the minefield is not repeated, and the minefield is scientifically evenly distributed. At the same time, the mine can also be placed into an unreachable area by ejecting, and the mine control device of an automatic mine laying car and its use method can be achieved at the maximum to reduce the speed of the enemy.

The invention relates to an air-cooled oil cooling system capable of automatically detecting the temperature. The system is characterized in that a cooler is mounted on the outer side, facing an oil tank, of a fan casing; at least on fan is mounted on the inner side, facing the oil tank, of the fan casing; a secondary cooling pipeline provided with multiple bends in the vertical direction is arranged on the oil tank upper end surface between an oil supply power source and the fan casing; output ends of three temperature sensors are connected with an input/output interface of a central control module; the input/output interface of the central control module is connected with a control terminal of a circulating power source. According to the air-cooled oil cooling system capable of automatically detecting the temperature, the cooler and the secondary cooling pipeline realize cooling on two sides, so that the temperature of oil is sufficiently decreased; the temperature of three positions can be transmitted to an automatic control device at any time by the three temperature sensors, the automatic control device controls the circulating power source to increase or decrease flow velocity of oil, accordingly, the circulating power source works according to the actual temperature, energy is saved, scene alarm and monitoring center alarm can be performed when the temperature is overhigh, and work safety is guaranteed.

The invention relates to the field of sulfur wet forming, in particular to a sulfur wet forming system which comprises a water tank used for containing process water, a liquid storage tank used for storing alkali liquor, a pH detector used for detecting the pH value of process water in the water tank, a liquid injection pipeline connected to the liquid storage tank and a controller. The liquid injection pipeline is used for injecting the alkali liquor in the liquid storage tank into the water tank, and is provided with a metering pump. The controller is used for controlling the metering pump to be opened or closed according to a detection value of the pH detector. According to the sulfur wet forming system, the pH value of process water is always kept in a proper range in the production process, equipment and pipelines are prevented from being corroded, the service life of the sulfur wet forming system is prolonged, and the forming quality of sulfur particles is improved.

A method for a plausibility check of the output of an artificial neural network (ANN) utilized as a classifier. The method includes: a plurality of images for which the ANN has ascertained an association with one or multiple classes of a predefined classification, and the association that is ascertained in each case by the ANN, are provided; for each image at least one feature parameter is determined which characterizes the type, the degree of specificity, and/or the position of at least one feature contained in the image; for each combination of an image and an association, a spatially resolved relevance assessment of the image is ascertained by applying a relevance assessment function; a setpoint relevance assessment is ascertained for each combination, using the feature parameter; a quality criterion for the relevance assessment function is ascertained based on the agreement between the relevance assessments and the setpoint relevance assessments.

The invention discloses a freight train scheduling method and system based on rolling time domain event influence analysis. According to the method, firstly, an initial train working diagram is compiled, and then when an emergency occurs, according to feature data corresponding to the emergency, train working diagrams corresponding to rolling time domains are sequentially calculated in a rolling mode through a train operation plan adjusting model. According to the method, adjustment on the train operation plan can be simulated in a rolling calculation mode until an output result capable of overcoming the influence of emergencies is obtained. Therefore, the most direct scheduling adjustment scheme can be automatically screened out according to the characteristic values of the emergencies. According to the train operation plan adjustment model, an ideal scheduling result can be quickly obtained by using simple calculation steps in an iteration mode.

The embodiment of the invention provides an automatic control system and an automatic control method for a trowelling machine. The automatic control system comprises a production line main controllerwhich is in communication connection to a PLC through an industrial Ethernet; the PLC is in communication connection to a first frequency converter and a second frequency converter through the industrial Ethernet, the first frequency converter is in control connection to a left-right driving motor, and the second frequency converter is in control connection to a front-back driving motor; the PLC is in control connection to a troweling piece motor through a first contactor, is in forward and reverse rotation control connection to a lifting motor through a second contactor and a third contactor,and is in forward and reverse rotation control connection to an inclination angle motor through a fourth contactor and a fifth contactor; and a left-right encoder, a front-back encoder and an up-downencoder are in communication connection to the PLC. By applying the scheme, automatic troweling of a wallboard can be realized, the troweling efficiency is improved, and the labor cost is saved.