102results about How to "Improve steering efficiency" patented technology

The invention provides a virtual object state control method, a virtual object state control device, electronic equipment and a storage medium. The virtual object state control method comprises the steps of detecting whether a first touch control starting operation is received or not, and when the first touch control starting operation is detected to be received, judging whether the first touch control starting operation occurs in a virtual joystick area or not; when the first touch control starting operation is judged to occur in the virtual joystick area, controlling a virtual object to move according to a sliding operation which is continuous with the first touch control starting operation; detecting whether a first touch control ending operation which is continuous with the sliding operation is received or not, and when the first touch control ending operation is detected to be received, controlling a virtual joystick to enter a steering control state; when a touch control operation acting on a preset position of the virtual joystick area is detected under the steering control state, determining a target rotation direction of the virtual object according to the touch control operation. The virtual object state control method and the virtual object state control device improve the steering efficiency of the virtual object.

The invention discloses a steer-by-wire double-motor system based on driver behavior identification and a yaw stability compensation strategy thereof. The system comprises an acquisition unit, a central controller, a steering wheel assembly and a front wheel steering assembly; the compensation strategy of the steer-by-wire double-motor system is that: a predicted steering-wheel steering angle is obtained by driver behavior identification and a steering-wheel steering angle measured by a steering-wheel steering angle sensor, and is transferred to the central controller, a yaw angular speed gainand a lateral acceleration factor are integrated to obtain an ideal transmission ratio, and a relationship between the steering-wheel steering angle and an ideal input steering angle of a steering-angle motor is obtained and transferred to a steering angle motor controller so as to carry out open-loop control on the steering angle motor; then an ideal front wheel steering angle is obtained according to the steering-wheel steering angle and the ideal transmission ratio, an ideal yaw angular speed is obtained, a compensation torque of the system is obtained by a robust controller, and the compensation torque is transferred to a torque motor controller by a compensation control strategy so as to ensure rapid response performance of the system and driving stability in the driving process.

The invention discloses an automatic packaging box stacking machine capable of achieving selective stacking, and belongs to the technical field of stacking. The machine comprises an arranging and steering mechanism, a grouping pushing mechanism, a door type stacking mechanism and a matched tray storage supply mechanism which are sequentially arranged on a rack in the packaging box conveying direction. The arranging and steering mechanism comprises a feeding conveying device and a steering device arranged on one side of the feeding conveying device; the machine is characterized in that the steering device comprises a pre-steering baffle and a strengthening check block which are arranged at an interval in the feeding conveying direction, the pre-steering baffle is hinged to a pre-steering air cylinder on the rack through a bending rod and is hinged to the rack to form a swing stretching-out blocking and reset releasing structure, the strengthening check block is connected with a strengthening air cylinder on the rack, and forms a strengthening and resetting releasing structure by means of guidance of a sliding rail and sliding block pair perpendicular to the feeding conveying direction, a packaging box, required to be subject to steering, in the conveying process is subject to rotating and pre-steering operation around the blocked angle by means of blocking of the pre-steering baffle, and pressing strengthening of the blockage angle can be achieved by means of the strengthening check block.

A light electrically-driven unmanned ground platform adopts a hybrid electrically-driven structure and an articulated-type independent hinged suspension system, wherein the articulated-type independent hinged suspension system comprises a swing arm mechanism and drive wheels; each drive wheel adopts a hub traction motor for driving and a hub traction motor controller for controlling; each swing arm adopts an independent swing arm DC motor and a swing arm motor controller for controlling. The light electrically-driven unmanned ground platform can adopt multiple drive modes and can move in 6*6, 6*4 or 6*2 drive mode according to different road conditions. The light electrically-driven unmanned ground platform is provided with the special swing arm mechanism, the ground clearance of the chassis of the light electrically-driven unmanned ground platform is increased, and the off-road capability is enhanced. Through control over the swing arm DC motors and a stepper motor, the pose of the light electrically-driven unmanned ground platform can be adjusted within a certain range and the swing arms can be rotated by 0-360 degrees.

The invention relates to the field of conveying devices, in particular to an auxiliary device and method for steering an object. The auxiliary device comprises a chassis and further comprises a controller, a lifting mechanism, a rotating mechanism and a material receiving mechanism, the lifting mechanism comprises a lifting plate, a manual assembly and two transmission assemblies, the rotating mechanism comprises a rotating disc, a first rotating shaft and an angle adjusting assembly, the material receiving mechanism comprises a rotary table and a guiding-out assembly, the rotary table is fixedly arranged at the top of the first rotary shaft through a flange, a mounting groove is formed in the top of the rotary table, the guiding-out assembly is arranged inside the mounting groove, and the angle adjusting assembly and the guiding-out assembly are electrically connected with the controller. According to the auxiliary device and method for steering the object, the object can be conveniently steered towards a conveying belt with different placing angles, the steering angle is accurate, errors can be effectively avoided, meanwhile, the auxiliary device does not need to be installed inside the conveying belt, maintenance and replacement are convenient, and the maintenance cost is low.

The invention relates to a method for improving the oil field recovery rate. The method for improving the oil field recovery rate is characterized by using profile control and deep flow diversion dual functional blasting type pre-cross-linked gel particles for improving the oil field recovery rate, wherein the profile control and deep flow diversion dual functional blasting type pre-cross-linked gel particles are gel particles formed by initiating polymerization cross-linking of a monomer, a stable cross-linking agent and an unstable cross-linking agent by an initiator, and drying and grinding the obtained main gel. In reservoir production operation, when the method for improving the oil field recovery rate by pre-cross-linked gel particles for profile control and deep flow diversion, provided by the invention, is used, dual effects of profile control and deep flow diversion can be realized, and simultaneously, the blasting time of the pre-cross-linked gel particles can be controlled by adjusting the concentrations of the stable cross-linking agent and the unstable cross-linking agent, thereby achieving the purpose of controlling the operation period.

A self-steering system for a radial bogie of a railroad vehicle is provided. The self-steering system includes a plurality of links which connect the leading and trailing wheelsets to the bogie frame. Each of the links is adapted to provide a smaller degree of movement between the link and the wheelset at one end and a larger degree of movement between the link and the bogie frame at the other end.

The invention provides an energy optimization method of a drive-by-wire dual-motor coupling steering system. The drive-by-wire dual-motor system is an active steering system set up based on actuator fault tolerance, and steering safety can be greatly improved through redundancy of an execution motor. The dual-motor coupling steering (DMCS) strategy is adopted for optimizing energy in the steeringprocess of the drive-by-wire system. The DMCS strategy can run in three steering modes to meet different steering conditions, and therefore steering efficiency is improved. On the premise of meeting vehicle stability, a controller can select the optimal steering mode online according to the vehicle state, and optimization distribution of energy between motors is achieved.

The invention discloses an automobile steering transmission mechanism, and particularly relates to the technical field of automobile steering, the automobile steering transmission mechanism comprisesfront wheels and rear wheels, a transverse shaft is fixedly connected between one sides of the front wheels, anti-abrasion structures are arranged on the two sides of the transverse shaft, and a damping structure is arranged on one side of each front wheel. The turntable, the steering column, the steering rods, the rotating shaft, the gear and the rack are arranged, the gear is movably connected to the bottom end of the rotating shaft, the gear at the bottom end of the rotating shaft is engaged with the rack in the steering column, the turntable and the rotating shaft are rotated to drive thegear, and the gear can drive the rack to drive the steering rods on the two sides of the rack to move left and right; the steering rod drives the front wheel to achieve left-right steering movement, the steering rod is movably connected to one side of the front wheel, normal running of the front wheel cannot be affected, the steering stability of the automobile is enhanced through the structure, steering rotation is achieved through meshing of the gear and the rack, and a power source is saved.

The invention is applicable to the technical field of vehicle power transmission and provides a transmission speed difference steering device for a vehicle. The device comprises a control device, a steering device and a walking device, wherein the control device is connected with the walking device through the steering device, the steering device includes gear boxes, at least two pump bodies, at least two speed changing boxes and at least two motors, the gear boxes are connected with the pump bodies through connecting pieces, and the motors are opposite in rotating direction and connected withthe walking device through transmission shafts. Therefore, crawler belts on two sides can be controlled at the same time, the two crawler belts achieve reverse synchronous operation, and a tracked vehicle rotates in situ.

The invention discloses a ship propulsion appliance which comprises a propulsion mechanism, a telescoping mechanism, a rotation mechanism and an underwater gear box. A propeller can rotate to propel aship by the aid of the propulsion mechanism, can be driven by the telescoping mechanism to telescope in the up-down directions and can be driven by the rotation mechanism to rotate by full circles, cylinders are connected with a telescoping barrel shaft, a rotation barrel shaft is nested in the telescoping barrel shaft and is connected with the upper end of the underwater gear box, one end of a worm gear and worm pair is connected with a rotation motor, the other end of the worm gear and worm pair is connected with the rotation barrel shaft, the rotation barrel shaft is connected with the upper end of the underwater gear box, a propulsion motor is connected with a spline shaft by a linkage appliance, the other end of the spline shaft is connected with a hollow rotary shaft, the hollow rotary shaft is connected with the upper end of the underwater gear box, and the propeller is mounted on a side of the underwater gear box. The ship propulsion appliance has the advantages that the propeller can have transmission and up-down telescoping functions, so that the ship propulsion appliance can adapt to navigation zones with great change in draft; the propeller of the ship propulsion appliance can be driven by the cylinders to rotate by the full circles at 360-degree angles, and accordingly the ship propulsion appliance is high in steering efficiency, simple in structure and easy and convenient to operate.

The invention discloses a variable speed device for a crawler harvester. The variable speed device comprises a clutch assembly, a variable speed assembly, a steering power transmission assembly, a crawler wheel drive assembly and a box body assembly, wherein the variable speed assembly, the steering power transmission assembly, and the crawler wheel drive assembly are respectively mounted on the inner side of the box body assembly, and the clutch assembly and the variable speed assembly are connected, the variable speed assembly and the steering power transmission assembly are connected, and the steering power transmission assembly and the crawler wheel drive assembly are connected. A hydrostatic infinitely variable speed device is adopted to drive the variable speed assembly and is combined with a planetary gear transmission mechanism after the speed retardation, the crawler drive force is not stopped at the time of steering, so that the speed of the steering angle and the rotary speed of the hydrostatic infinitely variable speed device have a certain proportional relation, the control of the steering direction and the angle speed is determined by the steering direction and the rotary speed of the hydrostatic infinitely variable speed device, the accuracy of the steering direction is good, and the efficiency of the steering direction is high, the sludge and piles formed in the steering of the crawler harvester are reduced, and the flatness of a rice field is increased.

The invention relates to a crystal single-line direction-adjusting cutting method, and belongs to the technical field of crystal material cutting, and aims to solve the problems that existing crystaldirection adjusting operation is complex, and is low in efficiency. The crystal single-line direction-adjusting cutting method comprises the following specific steps: measuring a reference surface ofa crystal; finding out a direction with a deflection angle being zero degree; testing a vertical angle of the direction; determining a crystal deflection angle alpha; vertically fixing the crystal inthe direction with the crystal deflection angle being zero degere on a cutting base; fastening the cutting base on a single-wire cutting device; enabling a cutting wire of the single-wire cutting device to cling to the crystal reference surface; rotating the crystal to a corresponding deflection angle alpha; cutting off a stub bar, then carrying out translation and tool setting, and cutting off the tail of the stub bar to obtain a diretion-adjusted crystal. Single-line orientation is carried out by determining the crystal deflection angle alpha and fixing the reference surface, the cutting angle is rapidly determined, the crystal direction adjusting efficiency can be effectively improved, meanwhile, the redundant part of the crystal is effectively recycled, and the enterprise cost is saved.

The invention discloses an active classification and recovery device. The active classification and recovery device comprises a first detecting device, a second detecting device, a first guide device,a first container, a second container and a third container; the first detecting device is used for distinguishing metal from nonmetal in recovered targets; when the first detecting device judges therecovered targets as the nonmetal, the first guide device directly guides the recovered targets in the first container; and otherwise, when the first detecting device judges the recovered targets asthe metal, the first guide device is started to guide the recovered targets in the second detecting device. The active classification and recovery device can adjust the number and the type of complicated sensors based on the accuracy and the recovery types to reduce the classification complexity and the expense when guaranteeing the garbage classification accuracy, can repeat automatic navigationalong given routes or learning routes to achieve the voice and gesture calling functions, realizes efficient automatic obstacle avoidance through complicated buffer control and arbitration, reduces the steering times through steering arbitration, and improves the steering efficiency.

The invention provides a jet type propeller for a ship. The jet type propeller is composed of a water tank, a piston, a piston rod, a handle or a pedal, a water inlet, a water inflow pipe, a water outflow pipe, a water inflow one-way valve, a water outflow one-way valve, a water outflow jet pipe and an installing support. The handle or the pedal drives the piston to move in the water tank in a reciprocating mode through the piston rod, the front end of the water tank is fixedly connected with the water inflow pipe and the water outflow pipe, the water inflow pipe and the water outflow pipe are connected with the water inflow one-way valve and the water outflow one-way valve, the start end of the water inflow pipe is fixedly connected with the water inlet, the tail end of the water outflow pipe is fixedly connected with the water outflow jet pipe, the propeller is integrated by a left part and a right part, the left part and the right part are identical and symmetrical, the propeller is installed on the ship, and compared with a paddle, the jet type propeller has the advantages that the structure is simple, cost is low, installation and use are convenient, the propeller can be driven by the hand or the foot, labor is permanently saved in the using process, the propeller is high in interestingness when used on the sightseeing ship, the propeller drives the ship to move forwards and steer at high efficiency, and the ship speed and the speed voyage are obviously increased.

The invention discloses a high-property synthetic power-assisted steering oil composition and a preparation method thereof. The high-property synthetic power-assisted steering oil composition is prepared from the following components in percentage by weight: 10 to 15% viscosity-index improver, 0.5 to 1.5% ashless hydraulic-oil compounding agent, 0.05 to 1.0% antiwear agent, 0.05- to 0.5% metal deactivating agent, 0.3 to 0.5% antioxidant, 0.01 to 0.06% anti-foaming agent, 0.006 to 0.012% oil-soluble green and the balance of base oil, wherein the content of hydrogenated polydecene in the base oil is more than or equal to 65%. The high-property synthetic power-assisted steering oil composition provided by the invention has the advantages of ultrahigh viscosity index, excellent low-temperaturefluidity, and good oxidation stability and antiwear property; and the preparation process is simple and convenience is brought for industrial production.

The invention relates to a front-wheel direct-drive rear-wheel steering bicycle which comprises a bicycle frame, a seat, a front fork, a rear fork, a front wheel, a rear wheel, pedals and a steering mechanism. The front wheel is arranged in the front fork. The rear fork and the bicycle frame are in relative rotation connection. The rear wheel is arranged in the rear fork. The pedals drive the front wheel. The steering mechanism comprises a steering control handle piece, a rear fork connecting piece and a steering pull rod used for connecting the steering control handle piece with the rear forkconnecting piece. The steering control handle piece is installed on the bicycle frame and can rotate relative to the bicycle frame. The rear fork connecting piece and the rear fork are integrally formed or fixedly connected. One end of the steering pull rod and the steering control handle piece are in relative rotation connection, and the other end of the steering pull rod and the rear fork connecting piece are in relative rotation connection. The connecting line of the center of the front fork and the center of the rear fork intersects with the steering pull rod. Therefore, riding efficiencyand steering efficiency are greatly improved.

The invention discloses an efficient steering method for a ship. A frequency changer is arranged between a starter and a power supply, according to the requirements of the predetermined steering speedof a steering mechanism, the output frequency flowing to the starter from the power supply is adjusted by the frequency changer to adjust the rotating speed of a motor, and then the rotating speed ofa hydraulic pump is adjusted by the motor; the steering speed of the steering mechanism is adjusted by the hydraulic pump to reach the predetermined steering speed of the steering mechanism, and thenthe direction of rudder blades is adjusted by the steering mechanism to adjust the sailing direction of the ship; the output frequency adjusted by the frequency changer corresponds to the steering speed of the steering mechanism, the steering speed of the steering mechanism takes the sailing speed as a reference object, the sailing speed is divided into three gears of a high gear, an intermediategear and a low gear and successively decreased, and the steering speed corresponding to the high gear, the intermediate gear and the low gear is successively increased. The steering efficiency is high at the low sailing speed, and the method is wider in application range and suitable for narrow water areas and speed-limiting channels.

The invention discloses a wheel suitable for the terrain environment of the Mars. The wheel comprises a wheel body, a wheel driving joint, spokes, a driving mechanism, a hub, and pawls, wherein the wheel driving joint enables the wheel body and the driving mechanism to be connected, and connection joints connecting the spokes and connecting the driving mechanism are respectively designed; the wheel driving joint is connected with the spokes through screws and nuts; the spokes are rigid spokes and are mounted on one side of the wheel; the driving mechanism is arranged at the inner part of the hub; the spokes are connected with the hub through screws and nuts; the pawls are connected with the hub through screws and nuts. The wheel is beautiful in structural appearance, easy in machining, compact in structure, high in passability on the surface of the Mars and high in strength, can bear the weight of a Mars patrolling device, and can bear certain torque.

The invention provides a hybrid power high-speed rice transplanter and a steering method thereof. The hybrid power high-speed rice transplanter comprises a rice transplanter main machine, a power system and a walking system, wherein the power system is arranged on the rice transplanter main machine and drives the rice transplanter main machine to conduct rice transplanting operation; the power system comprises at least one engine and at least one electric energy generating device, wherein the engine drives the electric energy generating device to generate electric energy; the walking system isarranged on the rice transplanter main machine and comprises at least four vehicle wheels and at least four electric motors, wherein the electric motors drive the vehicle wheels to walk; and the electric motors drive the vehicle wheels on the left side and the right side to rotate at different kinematic velocity, and thus the steering of the walking system is realized.

The invention provides a telescoping semitrailer with an independent steering function. A trailer swab is connected with the tail portion of a head traction device, a connecting pin hole is formed inthe front end of the trailer swab, and the connecting pin hole is matched with a connecting hole in the tail portion of the head traction device. A lifting supporting leg is fixedly installed on the lower end surface at the front end of the trailer swab which is connected with a swab extending section, a trailer front extending section is connected with the front end of the swab extending section,and a trailer rear extending section body is connected with the tail portion of the swab extending section. Wheels are installed on the bottoms of the trailer front extending section, the swab extending section and the trailer rear extending section, two steering oil cylinders are installed at the two ends of a main shaft on the inner sides of the wheels respectively, and the two steering oil cylinders control the steering directions of the two wheels. The telescoping semitrailer has the independent steering function by adding the steering hydraulic oil cylinders and a telescoping hydraulic cylinder, so that convenience is brought to the driving and steering of the semitrailer, and the working efficiency of the semitrailer is improved.

A clutch-operation-free gearshift transmission for caterpillar equipment comprises a main transmission assembly, an auxiliary transmission assembly, a proportional steering mechanism, a main reduction assembly, a power output transmission assembly and a clutch-operation-free gearshift assembly used for realizing direct gearshift only by operating a gear lever, which are all mounted in a box body assembly, as well as a hydrostatic stepless speed variator mounted outside the box body assembly, wherein the hydrostatic stepless speed variator enables the steering angle of the caterpillar equipment and the rotation amplitude of a steering wheel to be in proportional relation through adjusting the rotational speed of an outer gear ring of the proportional steering mechanism, so that the steering accuracy and stability of the caterpillar equipment can be improved. However, by virtue of a chute-type gearshift mechanism and a hydraulic control clutch, the gearshift process is effectively simplified, and a clutch operation function is integrated, so that clutch-operation-free gearshift is realized, and the clutch-operation-free gearshift transmission is suitable for the field of agricultural caterpillar equipment with stable working conditions.

The invention provides a self-propelled semitrailer and a vehicle. The semitrailer comprises a frame, a driving wheel mechanism used for driving the semitrailer to steer, ascend, descend and walk anda driven wheel mechanism used for supporting the semitrailer, and the driving wheel mechanism and the driven wheel mechanism are correspondingly installed on the front side and the rear side of the frame respectively. By designing the semitrailer with the driving wheel mechanism, the semitrailer can steer and walk without a tractor, the length of a semitrailer body is shortened, the turning radiusis reduced, the trafficability of the semitrailer is improved, and the weight of the semitrailer is reduced.

The invention discloses an integrated all-carbon fiber hub. The integrated all-carbon fiber hub comprises a carbon fiber material rim (5), a spoke upper shell (2) and a spoke lower shell (3) are integrated in the rim, the spoke upper shell (2) and the spoke lower shell (3) are assembled with each other and made of carbon fibers, wherein the spoke upper shell is composed of at least two arrayed upper shell hub strips and a structure with an upper shell groove, and the upper shell hub strips are erected by spoke upper shell assemblies (21) of Z-shaped structures on the left and right in an embedded mode; and the spoke lower shell is composed of at least two arrayed lower shell hub strips and a structure with an lower shell groove, and the lower shell hub strips are erected by spoke lower shell assemblies (31) of Z-shaped structures on the left and right in an embedded mode. The hub adopts carbon fiber materials in overall, and a spoke is of a hollow structure, so that the entire hub has high strength and reduces the weight to a minimum at the same time. The production time of the hub is effectively reduced, and the driving safety is greatly improved.

A caterpillar band equipment transmission suitable for remote control of gear shifting comprises a main transmission assembly, an auxiliary transmission assembly, a proportional steering mechanism, a main speed reducing assembly, a power output transmission assembly, a remote gear shifting assembly and a static hydraulic stepless speed change device. The main transmission assembly, the auxiliary transmission assembly, the proportional steering mechanism, the main speed reducing assembly, the power output transmission assembly and the remote gear shifting assembly are mounted in a box assembly, and the static hydraulic stepless speed change device is mounted outside the box assembly. Power is input through the main transmission assembly, one part of the power is transmitted to the power output transmission assembly and used for driving an external power device, and the other part of the power is transmitted to the proportional steering mechanism through the auxiliary transmission assembly, then transmitted to the main speed reducing assembly after a proportional relation is formed through the combination of the static hydraulic stepless speed change device and the proportional steering mechanism and output to a driving axle to drive caterpillar band equipment to run. Meanwhile, the rotating speed of an outer gear ring of the proportional steering mechanism is adjusted through the static hydraulic stepless speed change device, the steering angle of the caterpillar band equipment and the rotating amplitude of a steering disc form a certain proportional relation, and therefore the steering accuracy and operation stability of the caterpillar band equipment are improved. The remote gear shifting assembly is used for achieving electronic control and remote gear shifting.

The invention discloses a proportional steering type speed changer for a crawler-type harvester. Power is transmitted to a speed change assembly through a clutch; the speed change assembly outputs the power to left and right side crawler wheel power output shafts through a planetary gear transmission mechanism; a gear ring of the planetary gear transmission mechanism is controlled by a hydrostatic stepless speed change device; when the hydrostatic stepless speed change device outputs no power, the planetary gear transmission mechanism is driven by the speed change assembly alone, and the harvester runs straightly; when the hydrostatic stepless speed change device outputs the power, the planetary gear transmission mechanism is driven by two sets of power in a compound mode, so that the rotating speeds of crawler belts on the two sides are different, differential speed type steering is achieved, and the proportional relation is formed between the steering angular speed and the rotating speed of the hydrostatic stepless speed change device; the hydrostatic stepless speed change device is installed on a second shaft, the input steering direction of the hydrostatic stepless speed change device is the same as the heading direction and the reversing direction of the crawler-type harvester, accordingly, the crawler-type harvester has the same steering characteristic during heading and reversing, reducing of stacked sludge during steering is facilitated, and the rice field flatness and the steering controllability are improved.

The invention discloses a mud suction device capable of freely walking underwater, and belongs to the technical field of dredging. The mud suction device capable of freely walking underwater comprisesa loading housing, and further comprises a remote controller and a sealing housing arranged at the top of the loading housing, wherein the loading housing is a columnar cylinder horizontally arranged, and a hard pipe coaxially penetrates through the loading housing; the hard pipe is movably connected with the loading housing through a first bearing; the top end of the hard pipe is connected and communicated with a hose; a sludge pump is arranged at the suspension end of the hose; a lifting mechanism and a steering mechanism are arranged in the sealing housing; the lifting mechanism is used for lifting the mud suction device; the steering mechanism is used for pushing the loading housing to steer; a pushing mechanism is arranged on the peripheral surface of the loading housing; and a stirring mechanism is arranged at the bottom end of the hard pipe. The mud suction device can steer in situ, improves the steering efficiency, facilitates steering in such similar narrow spaces as a precipitation pool, can knock away hard objects in sludge, and prevents influence on operation of the sludge pump by the hard objects.