204results about How to "Reduce rolling" patented technology

The invention discloses a pipeline steel plate with low yield ratio, fine grains and high strength and a manufacturing method thereof, and steel in the pipeline steel plate comprises the following chemical components by weight percent: 0.03-0.10% of C, 0.10-0.30% of Si, 1.20-1.80% of Mn, not more than 0.015% of P, not more than 0.005% of S, 0.040-0.060% of Nb, 0.006-0.020% of Ti, 0.10-0.40% of Cr, 0.10-0.30% of Ni, 0.010-0.050% of Al and the balance of Fe and inevitable impurities. The manufacturing method adopts a converter for smelting, adopts the TMCP (thermo mechanical control process) and the two-phase region subthermal quenching treatment at 720-750 DEG C, thereby obtaining the pipeline steel plate with low yield ratio, fine grains and high strength; and the manufacturing method has stable production process, strong operability, low cost and high performances.

A vehicle stabilizer system including: (a) a stabilizer bar (28) including (a-1) a torsion bar portion (90), and (a-2) an arm portion (92) that extends from the torsion bar portion in a direction not parallel to the torsion bar portion; (b) an actuator (32) configured to rotate the stabilizer bar about an axis of the torsion bar portion; and (c) a link rod (34) interconnecting the suspension arm (78) and one of opposite ends of the arm portion that is remote from the torsion bar portion. The stabilizer bar generates a stabilizing force which is dependent on a reaction that is generated as a result of torsion of the torsion bar portion, and which forces the wheel (12) and the body in a selected one of a direction toward each other and a direction away from each other. The actuator allows the stabilizer bar to generate the stabilizing force whose magnitude is changeable by operation of the actuator. The link rod is inclined with respect to the suspension arm to which the link rod is connected, such that an angle defined by the link rod and the suspension arm is not 90°.

A combination patient-transfer and intraoperative heater has top and bottom chambers separated by a barrier. The patient rests on the top chamber, which has plural apertures for discharge of temperature-controlled heated or cooled air at regulated pressure. Heated or cooled air is delivered to the area surrounding the patient, maintaining body temperature during anesthesia. The bottom chamber has plural apertures. When air pressure is low or off, the bottom chamber is flat and un-inflated. When air pressure is increased, air enters the bottom chamber and the apertures emit air, creating an air cushion facilitating lateral movement of the lifter device. The device is light, flexible, easily stored, and preferably disposable, thereby reducing risk of infection and avoiding cleaning costs. The device performs two functions that now require separate devices and air blowers, it saves space and reduces both costs and complexity in the operating room.

The invention provides a suspension for a chassis of a four-wheel moving robot. The suspension comprises at least one pair of elastic supporting devices and a connecting assembly used for connecting the elastic supporting devices. Each elastic supporting device comprises an upper connecting rod, a lower connecting rod, a first stroke limiting structure and a compressing spring. The connecting assembly comprises a second stroke limiting structure and at least one extension spring. The suspension is installed between a frame and an axle of the four-wheel moving robot and used for transmitting force and torque acted between wheels and the frame. According to the suspension, a three-freedom-degree elastic parallel mechanism can reduce side-sway of a robot body running on the uneven road surface, centralization of impact force on the frame from the wheels in the jolting or shaking state is dispersed, reversing loads of the robot body are reduced, load distribution of the four wheels is improved, and the adhesion between the wheels and the ground and the riding comfort are improved.

The invention discloses a filler, synthetic rubber and wet rubber compound integrated production method. A filler is selected from carbon black, white carbon black or a combination of the carbon black and the white carbon black. Compared with traditional and respective independent technologies, the method disclosed in the invention has the advantages of omitting of the post-treatment technologies of the filler and a synthetic rubber, realization of the cycle of sodium carbonate, and full utilization of carbon dioxide and heat generated in a traditional carbon black production technology. So the method can reduce production equipment and simultaneously realize the low carbon and low pollution discharge through the integrated optimization of the process flow in order to reach the recycle purpose.

A slider includes a longitudinal axis, a recessed region, a bearing surface, first and second elongated rails, and first and second elongated depressions. The first and second elongated rails extend generally parallel to the longitudinal axis and are disposed about the recessed region. Each of the first and second rails include a disc-facing surface that is recessed bearing surface. The first and second elongated depressions extend along the first and second rails, respectively. Each depression includes a depression floor that is recessed relative to the respective disc-facing surface.

The invention provides a high-quality rice fine processing process, which comprises the processing flow processes of primary magnetic separation, primary cleaning, metering, sieving, stone removing, secondary magnetic separation, husking, husked rice separation, tertiary magnetic separation, ultrasonic atomization tempering, rice milling, primary polishing, polished rice primary grading, spotted rice color separation, secondary color separation, fourth magnetic separation, secondary polishing, polished rice secondary grading and metering and packaging. According to the ultrasonic atomization tempering, an ultrasonic atomization humidification mode is used for humidifying the rice, the tempering time is 10 to 20 minutes, the tempering temperature is controlled to be between 30 DEG C and 40 DEG C, the unit humidification quantity is 0.5 to 5 percent, the actual seeping quantity is 2 to 3 percent, and the moisture content of the polished rice finally obtained through processing is not greater than 14 percent; tempering agents adopt ultrasonic atomization water; during the spotted rice color section, a photoelectric color separation device is used for automatically picking out different-color rice, the full-process temperature reduction is carried out in the whole processing flow process, and the temperature rice in the processing process is controlled not to exceed 5 DEG C. The high-quality rice fine processing process has the advantages that the high-quality rice can be subjected to integrated utilization and deep processing, and the final product quality is improved.

A collision and rolling resistant monohull ship comprises a ship body, and rotatable stabilizing boards are arranged on the outer sides of the two side walls of the ship body. Accordingly, during voyage of the collision and rolling resistant monohull ship, the side walls of the stabilizing boards distant from the ship body are close to the water surface, moment generated by the gravity of the collision and rolling resistant monohull ship is reduced by resistance moment of water to the stabilizing boards, so that the collision and rolling resistant monohull ship can be kept balance, transverse rolling during voyage is reduced and transverse rolling amplitude is decreased, and collision resistance of the ship body is improved due to the fact that the stabilizing boards can prevent collision.

The invention supplies a comprehensive coordination control device that includes intelligent process unit U1, servo mechanism U2 connecting to main fin U3, servo mechanism U4 connecting side fin U5, servo mechanism U6 connecting to main rudder U7, servo mechanism U8 connecting to side rudder U9, rolling information testing sensor U11 setting on vessel and connecting on intelligent information process unit, course heading information testing sensor U10, information gathering unit U12 and information display unit U13. The intelligent process unit connects to servo mechanism U2, U4, U6 and U8.

The invention relates to a remote control hydraulic cleaning device of a photovoltaic power station assembly. The remote control hydraulic cleaning device is suitable for various large desert photovoltaic power stations, various terrain matrixes and various specifications of photovoltaic assemblies and comprises a remote control cleaning vehicle and a remote control cleaning mechanism, wherein the remote control cleaning vehicle comprises a frame mechanism, a walking unit, a hydraulic power system and a remote control system, the remote control cleaning mechanism comprises a supporting arm unit and a cleaning unit and can have an efficient cleaning function on the surfaces of the photovoltaic assemblies. The remote control system can achieve real-time high-accuracy control on walking of the cleaning vehicle and actions of the cleaning mechanism. The remote control hydraulic cleaning device is automatic, efficient and safe and can perform one-time efficient dust removal on various long and short matrixes under the conditions of various road surfaces. The remote control hydraulic cleaning device is simple in structure, convenient to operate and control, practical, safe, stable and low in cost, and the technical problem that existing large desert power stations relying on manpower or simple cleaning vehicles in the severe environment are poor in cleaning effect, low in efficiency and high in cost is effectively solved.

A diaphragm of a speaker device, formed into an elongated configuration, has a recessed shape and includes a voice coil arrangement part extending in its longitude direction. The voice coil arrangement part has a gap with a constant width in its lateral direction and includes a voice coil supporting part for supporting a voice coil and an expanded part provided at a position along it.

Disclosed is an anti-rolling ship. The anti-rolling ship comprises a hull having an engine room; and a tank which is mounted on the upper surface of the engine room, and which has an interior for partially containing a fluid therein. The fluid contained in the tank reciprocates when the vessel rolls, generating anti-rolling moment, and thus effectively reduces rolling of the ship. In addition, the space formed on the upper surface of the engine room of the ship is utilized as a tank accommodating portion to achieve improved space utilization.

The invention relates to vehicle suspensions, in particular to an energy storage suspension. A left suspension and a right suspension of the energy storage suspension are connected through a cross bar, and an inerter is used in the energy storage suspension. According to the energy storage suspension with the left suspension and the right suspension being communicated, the upper end of a left wheel vibration isolator and the lower end of a left vehicle body vibration isolator are coaxially hinged to the left end of the cross bar, the upper end of the right wheel vibration isolator and the lower end of the right vehicle body vibration isolator are coaxially hinged to the right end of the cross bar, and the cross bar is hinged to the middle portion of a suspension beam and is capable of rotating around a middle hinge shaft. By means of the beam which is connected with the left suspension and the right suspension, all the static loads of the vehicle body act on the left wheel vibration isolator and the right wheel vibration isolator, and thus the technical defect that the inerter is easy to puncture under the action of the vehicle body loads is overcome. By means of the vehicle body vibration isolators, the lower frequency peak of the vehicle body vertical acceleration is restrained. By means of the wheel vibration isolators, the high frequency peak of tyre dynamic loads is restrained. By means of the cross bar which are connected with the left suspension and the right suspension, the stress interaction of the left suspension and the right suspension is reduced, lateral incline of the vehicle body is reduced, therefore, the steering stability ofe the vehicle is improved, and the purposes that people sit in the vehicle comfortably and a driver drives safely are achieved.

The invention provides a novel comprehensive ship path tracking and anti-rolling optimization control method. The method comprises the steps of building a ship motion control model with a rudder angleas an input according to ship motion characteristics; selecting a prediction time domain and a control time domain, and predicting a future state of a system; converting the ship path tracking and anti-rolling problem into the optimization problem considering the combination of energy consumption and control performance, solving the optimization problem under the constraint of an actuator, and applying a first element of a solution to the system; and building a fin stabilizer control model based on a sliding mode method, and performing online estimation on an unknown part of the system through an RBF neural network method. According to the method, a ship can be enabled to track a set route, so that the steering burden of sailors can be reduced, meanwhile the rolling motion of the ship canbe reduced, the hazard of wind waves on ship safety, ship equipment, cargo safety and personnel health can be reduced, and the normal operation of ship precision instruments is ensured. In addition,the energy consumption of the ship can be reduced, so that the ship is more economical and environment-friendly.

The invention discloses a wave-absorbing M ship type line type used in warships. The wave-absorbing M ship type line type has the advantages of being high in speed, low in power and good in seaworthiness, and absorbing waves. The middle of the M ship type line type is provided with a main ship body. The two sides of the M ship type line type are provided with wave-absorbing ship bodies symmetrical about the longitudinal middle cross section of the main ship body. The bottom of each wave-absorbing ship body is provided with an air channel penetrating in the longitudinal direction. The bow and the stern of the main ship body are in transition to the air channels by adopting skimming boat bevel line types. Double-break grades are arranged from the middle to the bow and the stern. The length-width ratio of the M ship type is smaller than 3.33, the opening width of the air channels gradually decreases in a transition mode from the ship bow to the middle of the ship, the ratio of the opening width of the portions, located on the middle of the ship, of the air channels to the half-width of the main ship body is 1:1, the angle form is adopted in the bottom of the cross section of the main ship body, and the value of the oblique ascension angle of the bottom of the stern is from 10 degrees to 15 degrees.

The invention discloses an electrified cleaning insulating maintenance robot device for high-voltage power equipment. The electrified cleaning insulating maintenance robot device comprises a traveling mechanism, a lifting mechanism and a cleaning insulating maintenance mechanical arm. The lifting mechanism comprises a motor linkage driving circuit, a motor, a balance monitoring device and two or more pneumatic insulating lifting rods. The motor linkage driving circuit is in signal connection with the motor. The balance monitoring device is in signal connection with the motor linkage driving circuit. The pneumatic insulating lifting rods are made of epoxy resin or glass fiber steel and installed on the traveling mechanism. The cleaning insulating maintenance mechanical arm is arranged on the lifting mechanism. According to the electrified cleaning insulating maintenance robot device for the high-voltage power equipment, the supporting stability is improved, the driving force of the lifting mechanism is reduced, and the phenomenon of creepage short circuits is effectively avoided; the degree of balance of the lifting mechanism can be adjusted automatically, the probability of tilting and turning is lowered, and the safety performance is improved.

The invention discloses a multifunctional working rigmachine used on a dry field. The multifunctional working rigmachine comprises a frame which is provided with a drive deviceset, a generator and a battery, wherein the drive deviceset is composed by a fuel tank, a water tank, an engine, a gear box, an operation table, a steering device, wheels and a brake device; the lower part of the frame is provided with a front wheel and a rear wheel which are positioned on the same straight line; the gear box is provided with an oil hydraulic press, a gear box power input shaft, a gear box power output shaft, a power output control lever, a drive control lever and a drive shaft; and a transmission belt is arranged respectively between the gear box and the engine, between the gear box and the oil hydraulic press, and between the gear box and the generator. The frame is also provided with an auxiliary device for balancing the frame, an image device, a sprayer device and a centre shaft, wherein the auxiliary device comprises side wheels. The invention has the advantages of simple manufacture, short machine length, and no limit from high crops and ridgeow spacing; a driver can find the conditions of crops in time by sitting on a seat and can watch the whole operating process by sitting on the machine; and multiple operations can be completed in one steponce.

The invention relates to a separated type open controllable anti-rolling tank structure which comprises a boat and tanks, wherein the tanks are independently arranged on the left side or the right side or a bow or a stern of the boat; the number of the tanks is not less than 1; a water inlet or a water draining outlet of each tank are formed in the tank; the water inlet or the water draining outlet of the tank is located under water; an air valve is arranged on the tank; an air suction opening or an air exhaust opening of the tank are formed in the air valve; the air suction opening or the air exhaust opening of the tank are above water; and the air suction opening or the air exhaust opening of the tank can be opened or closed by the air valve. Through the adoption of the tank, an anti-rolling tank can be more conveniently placed on the boat and is suitable for reducing rolling or pitching of the boat; and the anti-rolling tank is controllable and can be active or passive, so that a better anti-rolling effect is obtained; and when a gravitational moment generated by the tank is opposite to moment applied to the boat by waves in phase, the tank has an anti-rolling effect.

The invention discloses a cultivation method for reducing mechanical rolling and improving the yield of direct seeding rice. The methods comprises the steps of (1) variety selection; (2) field preparation, wherein rotary tillage and stubble ploughing are conducted before seeding, weeds are turned and buried, and water is poured to soak a field before sowing; (3) disinfection and germination of rice seeds, wherein the seeds are sterilized with a quicklime clarification solution, the seeds are soaked in to break chests, and sprouted seeds in the seeds soaked are coated with dry raising nursing coatings in a granule form; (4) sowing; (5) fertilizer application, wherein a first season and a regenerative season are applied with a base fertilizer and topdressing, and the base fertilizer in the first season is a nitrogen, phosphorus and potassium compound fertilizer; (6) water management, wherein after sowing, from the emergence of seedlings in the first season to a three leaves and one heartperiod, from full heading to mature of natural dry, a drainage ditch is smooth, and drainage is conducted; (7) harvest in the first season; (8) weed prevention and removal, wherein a covering-filling-killing method is used, and from sowing to reviving, a tillering stage dressing is combined and mixed to be applied; (9) disease and pest prevention and control. The operation is simple, the rollingof rice piles by a machine is effectively reduced, the light transmittance and permeability of groups are improved, and the yield of the direct seeding retooning rice is improved.

A media control valve includes a body, a plunger assembly of multiple components housed in the body with a plunger control valve cap assembly secured to the body for housing a control knob. The body and the plunger assembly include resilient seals between adjacent multiple components of the body and the plunger assembly, respectively, to permit relative movement therebetween. A diaphragm physically isolates and seals the chambers above and below. All of the plunger seals and bushings held within the sleeve. Replacement seals and bushings can be replaced and inspected with relative ease due to the accessibility at both ends of the sleeve. Component parts are assembled using resilient seals to facilitate assembly and repair.

The sapling planting and grass seed sowing device comprises a walking mechanism, a controller, a soil drilling assembly, a seedling falling assembly, a soil covering assembly, a supporting rod and a seed sowing assembly, and seedling falling holes are formed in a bottom plate of the walking mechanism; the soil drilling assembly is arranged on the side, close to the head, of the walking mechanism, the soil covering assembly is arranged on the side, close to the tail, of the walking mechanism, the seedling falling assembly is arranged on the walking mechanism and located between the soil drilling assembly and the soil covering assembly, and the seed sowing assembly is connected to the tail of the walking mechanism through a supporting rod. After the walking mechanism moves to a corresponding position, the soil drilling assembly is driven to drill soil; after soil drilling is finished, one sapling in the sapling falling assembly falls into the pit under the action of gravity; the soil covering assembly pushes soil on the two sides of the saplings into the pits, and the roots of the saplings are covered with soil; the sowing assembly is used for sowing seeds in the area where the walking mechanism moves.

The invention discloses an anti-splash single-hull planing boat which comprises a boat body, a propelling device and a composite stabilizing wing, wherein the composite stabilizing wing is arranged at the bottom of a stem; the composite stabilizing wing comprises a vertical stabilizing wing and a horizontal stabilizing wing; downwardly inclined longitudinal anti-splash bodies are symmetrically arranged on two sides of the boat body from the front bilge part of a boat middle part to a stem bilge part; the widths of the longitudinal anti-splash bodies are gradually narrowed from the front part of the boat middle part to the stem; the head part of the boat body is gradually transitional from a shallow V-shaped cross section with an acute angle between the two side surfaces to the shallow V-shaped cross section with an obtuse angle between two side surfaces of the front part of the boat middle part; and the front part of the boat middle part is gradually transitional from a shallow V-shaped cross section with an obtuse angle between two side surfaces to a horizontal cross section, on which V-shaped edge strips extend downwards from two sides of the bottom of the stem, or an inverted shallow V-shaped cross section with an obtuse angle between two side surfaces. According to the invention, the splashing of lateral water flow of the sliding surface of the boat body can be effectively prevented, so that the rapidness, transverse stability, longitudinal stability, directional stability, seakeeping quality and so on are greatly improved, convenience for mounting propellers with larger diameters is achieved, and the propelling efficiency is increased.

The invention provides a high speed shallow draft triple-hulled vessel with a bulbous bow which is low in powder, small in wave making resistance, good in navigability, high in stability and not has the bow diving phenomenon when breaking wave, and an unmanned vehicle system containing the triple-hulled vessel. The triple-hulled vessel comprises a vessel body, the vessel body comprises a main vessel and two symmetrical auxiliary vessels which are arranged on the two sides of the main vessel, a vertically perforated wave damping gas passage is arranged between the two auxiliary vessels and the main vessel, the bulbous bow is arranged on the bow part of the main vessel; and an instrument chamber is arranged on a water glider main body and provided with a communication system, a control system and a sampling system. The system also comprises a ground base station, the control system communicates with the ground base station by the communication system, and the control system controls the sampling system to sample and upload the sample data to the ground base station and performs the communication control on the communication system. The invention can be applied to the technical field of vessels.

A deep diving fishing lure having a forwardly-extending diving lip is provided with a fore-and-aft pivotable lure positioning arm pivotably mounted about a pivot axis within the diving lip near the lower portion of the forward face. The lure positioning arm, when fixed in an aft position relative to the pivot axis rests within a longitudinally extending groove located in the diving lip. The lure positioning arm, when in the fixed aft position maintains the lure in a diving position when pulled through a body of water but negates the lure's tendency to dive when released from the aft position.

The invention provides a suspension structure and connecting mode of a bridgeless automobile and relates to the technical field of automobile running system structures. The invention discloses the suspension structure and connecting mode of the bridgeless automobile. The suspension structure and connecting mode of the bridgeless automobile comprises the steps of hinging and connecting the upper ends of left and right side suspensions of a frame to form a rotation point; hinging and connecting the lower ends of the left and right side suspensions with left and right side wheel supporting assemblies and one end of a transverse hydraulic supporting stabilizing bar to form rotation points; hinging and connecting the other end of the transverse hydraulic supporting stabilizing bar with a steering knuckle supporting seat assembly on a sub frame to form a rotation point; when the upper part of a vehicle body is inclined to one side under the influence of steering centrifugal force, the bottomof the sub frame can swing to one side reverse to the direction of the centrifugal force; during swinging, the tail end of a steering knuckle extrudes the transverse hydraulic supporting stabilizingbar to retract so that the transverse supporting distance of this side is shortened and the supporting position of this side is lowered; a hinging part on an associated side is enabled to rotate so that the gravity force of the vehicle body is naturally lowered to automatically offset the steering centrifugal force; and therefore, the supporting balance of the gravity centers, on the left and right sides, of the vehicle body is automatically adjusted.

The invention discloses a self-propelled remote control wheat film mulching, fertilizing and seeding machine. The self-propelled remote control wheat film mulching, fertilizing and seeding machine comprises a machine frame, a servo motor, a control box, a remote controller, a manual steering wheel, a storage battery, a gearbox, an engine, a combined fertilizer box, a seed box, a shovel handle, a steering control rod, a ground wheel, a pressing wheel, a seeding furrow opener, a fertilizer furrow opener, a soil covering device, a shaping wheel, a film frame, a ridging plate and a steering driving wheel, wherein the servo motor, the control box, the manual steering wheel, the storage battery, the gearbox, the engine, the combined fertilizer box and the seed box are mounted on the upper surface of the machine frame; the shovel handle and the steering control rod are fixed onto the machine frame; the ground wheel, the seeding furrow opener, the fertilizer furrow opener, the shaping wheel, the film frame, the ridging plate and the steering driving wheel are mounted on the lower surface of the machine frame. The self-propelled remote control wheat film mulching, fertilizing and seeding machine disclosed by the invention is self-powered and is not required to be dragged by a tractor; the turning radius is small; remote control operation can be realized; the structure is compact; energy resources are saved; the work efficiency is high; the working quality is stable.

The invention relates to a four-wheel independent driving control system of an electric wheelchair. The four-wheel independent driving control system comprises a universal operation handle, a function button, a DSP (digital signal processor) controller and four electric driving controllers respectively controlling left rear, right rear, left front and right front wheel motors; the electric driving controllers are connected with the DSP controller by CAN (controller area network) buses, and the DSP controller is connected with the universal operation handle electrically; the function button comprises a power source switch, a wheelchair movement mode selecting button for realizing control on traveling or autorotation of the wheelchair, an autorotation mode selecting button for realizing control on anticlockwise or clockwise autorotation of the wheelchair, and a traveling mode selecting switch for realizing control on advancing or backing of the wheelchair. Judgment and calculation of speed and direction are completed through the DSP controller according to setting of the operation handle and the function button, output information is sent to the driving controllers through the CAN buses, and the driving controllers control four hub motors through torque and speed dual-loop PID (proportion integration differentiation) to enable wheels to collaboratively output different directions and speeds.

The invention discloses a tractor identical-track steering mechanism, which comprises a steering driving device, a front steering trapezoid shape, a middle reversing linkage rod system and a back steering trapezoid shape. The invention also discloses a steering method of the tractor identical-track steering mechanism. The tractor identical-track steering mechanism and the steering method have the advantages that the structure is simple, the work is reliable, the manufacture cost is lower, and the tractor identical-track steering mechanism and the steering method are used for low-speed running tractors.