13results about How to "Improve steering efficiency" patented technology

The invention discloses a drive-by-wire steering system of a mining dump truck. The drive-by-wire steering system comprises a touch feedback device, a steering control valve, a steering mechanism, a steering angle sensor, a vehicle speed sensor and a controller. The touch feedback device is arranged on the lower portion of the steering wheel, connected with the controller through a CAN bus and used for detecting the rotation angle of the steering wheel and sending a generated rotation angle signal to the controller; the steering control valve is connected with the signal input end of the steering mechanism through a signal line and connected with the controller through a CAN bus, and an output port of the steering control valve is connected with the steering mechanism through a pipeline, receives control signals of the controller and outputs hydraulic flow to the steering mechanism. And the controller forms a control signal according to the deflection angle signal and the driving speed signal. The invention further discloses a mining dump truck and a steer-by-wire method. A hydraulic physical pipeline between the steering wheel and the steering valve is omitted, and steering is achieved in a drive-by-wire mode.

The invention provides a steering blanking device for slender rod pieces. The steering blanking device comprises a conveying piece and a steering assembly. The conveying piece is suitable for conveying the long and thin rod pieces so that the long and thin rod pieces can be conveyed in the length direction. The steering assembly is arranged in front of the lower portion of the conveying piece and provided with a support, a sliding way, a guiding piece and a discharging part, and the sliding way, the guiding piece and the discharging part are arranged on the support and obliquely and downwards face the discharging part. When the slender rod piece is partially separated from the conveying piece, the front end portion of the slender rod piece abuts against the sliding way to slide so as to guide the front end portion of the slender rod piece to slide to the limiting structure of the discharging part, when the slender rod piece is completely separated from the conveying piece, the slender rod piece abuts against the guiding piece, and the guiding piece and the limiting structure can enable the slender rod piece to rotate by taking the front end portion of the slender rod piece as a fulcrum. And the material swings along the guiding path of the guiding piece and is discharged from the discharging part. The steering blanking device for the slender rod piece is simple in structure, low in manufacturing cost and high in steering efficiency.

The utility model belongs to the technical field of steering structures, and particularly relates to a square bottle steering mechanism which comprises an air cylinder assembly, a motor assembly, a rotating assembly and a guide assembly. The motor assembly is used for driving the rotating assembly to rotate; the air cylinder assembly is used for pushing the motor assembly and driving the rotating assembly to move, so that the rotating assembly is in contact with or separated from the square bottle; the guide assembly is provided with an arc transition part, when the square bottles are conveyed to the arc transition part, the air cylinder assembly pushes the motor assembly to drive the rotating assembly to move, the rotating assembly is connected with the square bottles in a clamped mode, the motor assembly drives the rotating assembly to rotate to drive the square bottles to rotate, and the square bottles rotate by a certain angle to change the placing state. According to the square bottle steering mechanism, the square bottles can steer more gently and smoothly, so that it is better guaranteed that the square bottles are not damaged, the bottle clamping phenomenon can be prevented, and the steering and conveying efficiency of the square bottles is improved.

The utility model discloses a reducer with the function of swing of output shaft, including output shaft, swing guide piece, swing block, first drive motor, box, vertical shaft, second drive motor, planetary gear, planetary gear axle, upper internal gear disc, lower internal gear disc, worm and gear drive group, bevel gear set and gear drive group, the output of first drive motor is connected with vertical shaft lower part through worm and gear drive group and bevel gear set, and the upper portion of vertical shaft is connected with one end of output shaft through bevel gear set, and output shaft rotatory installation is in swing block, and swing block sliding installation is on swing guide piece, the both sides of swing block rotatory installation has planetary gear axle, and the upper end of planetary gear axle is connected with planetary gear respectively, and the planetary gear of two planetary gear axle upper ends is engaged with upper internal gear disc and is connected with the output of second drive motor through gear drive group, and the planetary gear of two planetary gear axle lower ends is engaged with lower internal gear disc. Output shaft has the dual function of rotation and swing, and improves the steering flexibility.

The utility model relates to the field of loader turning control, and discloses a loader turning anti-impact control circuit, which comprises a starting power supply, a first inductive switch and a second inductive switch, the first inductive switch and the second inductive switch are connected in parallel on the starting power supply, and a functional switch is arranged on a power-on loop at the front ends of the first inductive switch and the second inductive switch. The first inductive switch and the second inductive switch are electrically connected with a normally-open relay, the normally-open relay is electrically connected with a hydraulic steering oil cylinder electromagnetic valve, and the normally-open relay is electrically connected with a starting power source. The control circuit is simple in operation and capable of effectively preventing mutual interference of frames, a driver can know the steering state of the loader in real time by serially connecting the display instrument to the output end circuit of the first inductive switch and the output end circuit of the second inductive switch, so that the loader can be better controlled, and the function switch is arranged on the control circuit, so that the control circuit is more convenient to operate. And a driver can select different steering modes as required, so that the flexibility and the adaptability of the loading machine are improved.

The utility model discloses a differential transmission mechanism of a crawler, which is characterized by comprising two groups of symmetrical differential transmission components, and each group consists of a shell and a built-in gear mechanism and is used for directly driving crawler wheels. In addition, the device further comprises a straight movement transmission assembly and a steering transmission assembly, linkage with the differential transmission assembly is achieved through a driving shaft A, a driving shaft B and related bevel gears, and accurate advancing, retreating and steering control is guaranteed. And the steering transmission assembly adopts two groups of transmission half shafts which are linked with a shell mechanism of the differential assembly to realize symmetrical meshing. In order to enhance the adaptability in different vehicle types, the scheme provides an I-type power source connection scheme and an II-type power source connection scheme. By means of the design, the operation performance and safety of the crawler are optimized, the assembling applicability is improved, and the crawler design solution is more efficient, flexible and reliable.

The present invention relates to the technical field of conveying equipment, and in particular to a chip conveying equipment with a steering conveying function; the equipment comprises a first conveying mechanism, a second conveying mechanism and a third conveying mechanism arranged transversely, wherein a steering mechanism is arranged between the first conveying mechanism, the second conveying mechanism and the third conveying mechanism; packaging boxes loaded with chips are put into the first conveying mechanism one by one and conveyed to the steering mechanism, and the packaging boxes are rotated by a bogie so that the packaging boxes enter the second conveying mechanism or the third conveying mechanism; the packaging boxes can move forward without power under the influence of gravity, which can reduce the arrangement of motors and reduce costs; the 90° rotation of the bogie is omitted, the steering efficiency is greatly improved, and the packaging boxes will not be overloaded; after the bogie swings toward the second conveying mechanism or the third conveying mechanism, the bogie is tilted so that the packaging boxes can enter the second conveying mechanism or the third conveying mechanism along the tilted direction, thereby realizing rapid steering and conveying.

This invention relates to a control device for a wing sail of an unmanned surface vessel (USV), comprising a structural component, an adjustment component, and a rotational speed monitoring mechanism. The structural component includes a frame assembly and a wing sail. The wing sail is disposed on one side of the frame assembly, and the adjustment component is disposed inside the frame. The adjustment component is connected to the rotational speed monitoring mechanism and can adjust the orientation of the wing sail. The adjustment component includes a position control element, a clutch mechanism, and a locking mechanism. The position control element controls the states of the clutch mechanism and the locking mechanism. By utilizing external airflow as the driving force for wing sail steering, no additional power input is required. The adjustment and locking / unlocking control of the wing sail orientation are achieved only through low-power control components, thereby reducing the energy consumption of the USV and improving the convenience of steering control.

The invention belongs to the technical field of automobile steering control, and provides a vehicle pivot steering control method and system and application, and the method comprises the following steps: in response to a pivot steering instruction, judging whether a vehicle meets a pivot steering condition or not; if yes, an electric differential steering strategy is executed, and the electric differential steering strategy comprises the steps that reference torque needed for driving is calculated based on the dynamically-determined target wheel speed, and when the reference torque is within the allowable torque range, the rotating speed of rear wheels of the vehicle is controlled to be larger than the rotating speed of front wheels, and the rotating directions of the rear wheels are opposite to those of the front wheels; and if the pivot steering condition is not met or the reference torque exceeds the allowable torque range, a mechanical auxiliary strategy is executed, and vehicle body steering is achieved by driving an auxiliary steering mechanism of the vehicle. In-situ steering of the vehicle can be quickly completed, so that the problem of difficulty in passing due to incapability of turning around in situ is effectively solved.

The utility model provides a crawler steering system which comprises a steering gear arranged on a frame, a first reversing valve, a second reversing valve, a first hydraulic motor connected with the first reversing valve and a second hydraulic motor connected with the second reversing valve, the first reversing valve and the second reversing valve are connected with the two ends of the steering gear respectively, and a third reversing valve is arranged on the frame. The third reversing valve is respectively connected with the first reversing valve and the second reversing valve, the third reversing valve is connected with an oil pump, the steering gear is connected with a steering wheel through a steering shaft, and output ends of the first hydraulic motor and the second hydraulic motor are respectively connected with driving wheels. According to the crawler steering system, the crawler is driven to advance, stop or retreat through operation of the third reversing valve, the effect of controlling the rotating direction of the driving shafts in the first hydraulic motor and the second hydraulic motor is achieved through rotation of the steering gear, reverse rotation of the two driving wheels is achieved, and therefore advancing and steering of the crawler are achieved. The crawler is simple and convenient to steer, smaller in steering radius and higher in steering efficiency.

The invention discloses a motion control method and system for variable wheelbase speed difference steering of a wheel-legged vehicle, and relates to the technical field of robots. The method comprises the following steps: acquiring an expected longitudinal velocity and an expected yaw velocity; according to the path planning of the target wheel-legged vehicle, determining an expected movement track of a wheel center; calculating an expected joint rotation angle of a joint of the target wheel-legged vehicle; constructing a kinetic model of the target wheel-legged vehicle; according to the kinetic model and the expected yaw velocity, obtaining an expected additional yaw moment; the total driving force is obtained according to the expected longitudinal speed and the actual longitudinal speed; according to the expected joint rotation angle and the actual joint angle, the expected driving torque of the joint is calculated; according to the total driving force and the expected additional yawing moment, the expected driving moment of the wheels is calculated; and determining an optimal solution from the expected driving torques of the wheels to obtain the expected motor torques of the wheels. The steering efficiency of the wheel-legged vehicle can be improved.

The application relates to a self-moving assembly and a fully-mechanized support, and belongs to the field of mining equipment. The self-moving assembly is arranged to make the walking wheel contact the ground, lift the supporting frame, drive the walking wheel to rotate and drive the support to move, realize the movement of the roller, when turning, the supporting frame supports, the moving assembly is lifted, the driving assembly drives the moving assembly to rotate to change the direction of the walking wheel, then the moving assembly supports, the supporting frame does not contact the ground, the driving assembly is reversely rotated to drive the base to rotate, turning is realized, when moving in the step-by-step mode, the rolling direction of the walking wheel is perpendicular to the moving direction, the base is lifted, the moving assembly contacts the ground, the driving hydraulic rod drives the supporting frame to move forward, then the supporting frame is lowered to contact the ground, the moving assembly is lifted, the driving hydraulic rod drives the overrunning disc to move forward, step-by-step forward movement is realized, and the problems that the fully-mechanized support in the prior art has low moving efficiency and large energy waste are solved.

The invention provides a method and device for controlling vehicle steering, electronic equipment, a readable storage medium and a vehicle, and relates to the technical field of artificial intelligence such as automatic driving and intelligent transportation. The method for controlling steering of the vehicle comprises the steps that the running speed of the vehicle and a target wheel turning angle corresponding to a steering request are obtained; determining a target steering state according to the driving speed; when it is determined that the target steering state is the static steering state, a first steering strategy is executed to control the vehicle to complete the steering request; and under the condition that the target steering state is determined to be the dynamic steering state, executing a second steering strategy to control the vehicle to complete the steering request. The steering flexibility and the steering efficiency of the vehicle can be improved, and then the driving safety of the vehicle is enhanced.