681 results about "Turning angle" patented technology

A method includes receiving a turning angle indication indicating a turn of front wheels of the vehicle in one of a left direction or a right direction by a turning angle relative to a first direction of travel of the vehicle, and determining that a magnitude of the turning angle satisfies a threshold turn angle. Based on determining that the magnitude of the turning angle satisfies the threshold turn angle, the method also includes operating the vehicle in a drift mode by determining that an inner rear wheel includes one of a left rear wheel or a right rear wheel of the vehicle, determining that an outer rear wheel includes the other one of the left rear wheel or the right rear wheel, and commanding at least one torque machine to provide forward torque to the inner rear wheel without providing any forward torque to the outer rear wheel of the vehicle.

The invention discloses a tire longitudinal force and lateral force prediction method based on vehicle state parameter estimation, which adopts a seven-order spherical radius criterion to replace the original three-order spherical radial volume criterion on the basis of the traditional volume Kalman filter (CKF), and improves the estimation precision by optimizing sampling point distribution and weight configuration. And the stability of numerical calculation is ensured in combination with QR decomposition. A vehicle-mounted sensor is used for collecting real-time data such as a front wheel turning angle and longitudinal / lateral acceleration under a complex working condition, a time sequence feature set is built by combining longitudinal speed, lateral speed, a side slip angle and yaw velocity estimated by an algorithm, and meanwhile tire force calculated by a Dugoff tire model serves as target output. The TCN-GRU-based tire force prediction method is designed, the calculation complexity can be reduced while key time sequence information is kept, and the real-time prediction performance of the tire force is improved.

The invention relates to a navigation control method and device of agricultural machinery, electronic equipment, a medium and the agricultural machinery, and the method comprises the following steps: acquiring a positioning point coordinate, course information, real-time vehicle speed and yaw rate information of the agricultural machinery at the current moment, and calculating the navigation of the agricultural machinery according to the positioning point coordinate, course information, real-time vehicle speed and yaw rate information at the current moment; calculating transverse deviation, course deviation and estimated values of the front wheel turning angle between the agricultural machine and a preset target path point according to the geometrical relationship, calculating an expected value of the front wheel turning angle at the next moment of the current moment according to the transverse deviation, the course deviation and the estimated values of the front wheel turning angle, and calculating the expected value of the front wheel turning angle at the next moment according to the expected value of the front wheel turning angle at the next moment. The agricultural machine is controlled to advance. By means of the method, the expected value of the front wheel rotation angle at the next moment is optimized, so that accurate control over advancing of the agricultural machine is achieved, the path tracking accuracy of the agricultural machine is remarkably improved, deviation errors in the operation process can be effectively reduced, and it is ensured that the agricultural machine accurately travels according to the preset path.

The invention is suitable for the technical field of automobile chassis, and provides an angle module system and a modular extensible chassis, and the angle module system adopts an unequal-length double-wishbone suspension and has good geometric kinematics characteristics. And the offset distance of the main pin is reasonably controlled through the design of steering knuckle parts. By adopting the angle module bracket, the efficient integration of the driving unit and the frame structure is realized, the number of connecting points of the angle module system and the chassis is reduced, and the serialization, integration and modularization of the chassis system are facilitated. A distributed main pin steering gear is adopted, and the geometrical shape design of upper and lower control arms of the suspension is matched, so that wheels have a larger turning angle range, and the maneuverability is improved. In addition, the modular extensible chassis adopts modular design, and the number of shafts can be flexibly configured according to carrying requirements.

The invention provides a parking method and device and a vehicle, and can be applied to the field of intelligent driving. The method comprises the following steps: acquiring the position of a vehicle and the information of a target parking space; according to the position and the information of the target parking space, a parking path is planned, the parking path comprises a path for driving in a different-direction steering mode and a path for driving in a same-direction steering mode, and the direction of a front wheel turning angle of the vehicle is opposite to the direction of a rear wheel turning angle of the vehicle in the different-direction steering mode; the direction of a front wheel turning angle of the vehicle is the same as that of a rear wheel turning angle of the vehicle in the same-direction steering mode; and according to the first parking path, controlling the vehicle to park in the target parking space from the first position. The method can be applied to an electric automobile or an intelligent automobile, the parking efficiency of the automobile can be improved, and therefore the parking experience of a user can be improved.

The invention relates to the technical field of steam turbines, in particular to a turbine moving blade capable of strongly turning along the flow direction, a blade body part of the turbine moving blade is formed by twisting and overlapping a plurality of two-dimensional blade profiles according to a certain rule, and the blade body part has a characteristic parameter blade body height H; the contour molded line of the two-dimensional blade profile is defined by an inner arc curve and a back arc curve and has a characteristic parameter flow direction turning angle theta and the height h in the height H direction of the blade body; according to the overlapping rule of the two-dimensional blade profile, continuous and smooth transition is conducted from the root end to the top end along the blade body height H, the relative value of the blade body height H is monotonically increased to 1.0 from 0.0, and correspondingly, the absolute value of the flow direction turning angle theta is monotonically decreased to 75 degrees from 135 degrees; and in the whole blade body height H range of the blade body part, the average flow direction turning angle is 100-105 degrees. Flow direction turning angle changes of two-dimensional blade profiles with different heights are controlled, so that flow field distribution is optimized, the efficiency of a turbine stage is improved, and loss and strength are distributed along the height of a blade body in a self-adaptive mode.

The invention discloses an excavation roadway turning construction method and a roadway construction method. According to the method, the turning track is accurately controlled through geological parameter pre-research and surveying and setting-out, and the problems of relaxation and damage caused by track deviation and long surrounding rock exposure time of a traditional turning section are effectively solved in combination with pilot tunnel advanced excavation and dynamic collaborative supporting. Pilot tunnel advanced excavation reserves a space for subsequent expanded excavation, a cutting head of the integrated equipment can horizontally rotate to adapt to curve excavation, and supporting force is dynamically adjusted in cooperation with real-time scanning of surrounding rock deformation data, so that the surrounding rock exposure time in turning section construction is shortened to 5-8 minutes from 40-60 minutes of a traditional process, and the construction efficiency is improved. The wall caving and roof caving risks caused by long-time support-free exposure of the surrounding rock in the turning area are remarkably reduced, meanwhile, it is ensured that the turning radius and the turning angle are matched with the design height through a parameter correction program, and the accuracy and safety of turning section construction are improved.

The invention discloses a vehicle blind area monitoring control system and method based on the Internet of Vehicles and a vehicle, and the system comprises an image collection module, a laser radar module, an edge calculation unit, a communication module, a cloud platform and a vehicle-mounted controller, the included angle between the vehicle head and the connected trailer can be determined according to the included angle information calculated by the edge calculation unit and the steering wheel turning angle information acquired by the turning angle acquisition module, so that the vehicle-mounted controller can control the operation state of the blind area monitoring assembly of the vehicle according to the included angle. By combining the image acquisition module, the laser radar module and the Internet of Vehicles technology, the included angle between the vehicle head and the trailer can be accurately judged, so that the operation states of different blind area monitoring assemblies are accurately controlled according to the included angle, blind areas around the vehicle are effectively monitored, the limitation of single radar detection is overcome, and the detection accuracy is improved. Meanwhile, continuous operation of unnecessary blind area monitoring assemblies can be avoided, power consumption is reduced, the service life of a battery is prolonged, and the overall energy efficiency ratio of the vehicle is increased.

The invention provides a transverse stability control method and system during braking of a vehicle on a split road surface, and belongs to the technical field of vehicle transverse stability control. According to the method, the expected braking strength zd is compared with the maximum braking strength zth which can be generated by the whole vehicle on the low-adhesion road surface, and when zd is smaller than or equal to zth, the braking force at the high-adhesion position is restrained, and the difference value between the braking force at the high-adhesion position and the braking force at the low-adhesion position is reduced or even eliminated through the design of the controller; when z dgt; when zth is greater than zth, through the design of a controller, the braking force at the low attachment part is kept at a peak value, the braking force at the high attachment part is regulated and controlled, and meanwhile, the rear wheel turning angle is controlled, so that an additional yawing moment is generated, and the expected yawing moment of the whole vehicle is compensated. The invention further provides a split road surface stability comprehensive risk index, and the stability of the vehicle during braking on the split road surface is comprehensively evaluated. When the vehicle exceeds a steady state boundary, active four-wheel steering intervenes. According to the invention, the transverse stability of the vehicle during braking on the split road surface is effectively improved.

The invention relates to a zero offset calibration method and device for a vehicle steering wheel, a vehicle, equipment and a medium, in particular to the technical field of power systems. The method includes: controlling a vehicle to run in a preset vehicle speed range along a calibration map according to an expected turning angle; lateral deviation and actual turning angles of the vehicle at different vehicle speeds in a preset vehicle speed range are collected; according to the actual rotation angle and the expected rotation angle, zero deflection angle measurement values at different vehicle speeds are calculated; based on a preset vehicle speed range, the lateral deviation and a zero-deflection angle estimated value, establishing a correlation among the vehicle speed, the lateral deviation and the zero-deflection angle, the zero-deflection angle estimated value being calculated based on the lateral deviation and the route length of the calibration map; determining a target zero deflection angle estimated value corresponding to the actual vehicle speed and the actual transverse deviation of the vehicle according to the correlation; and filtering and fusing the target zero-deflection angle estimated value and the zero-deflection angle measured value to obtain a zero-deflection angle calibration value, so that the zero-deflection angle calibration value is automatically compensated to the issuing turning angle to control the steering of wheels.

The invention provides an automatic driving method and system and a readable storage medium, and the method comprises the steps: S1, obtaining point cloud data through a laser radar, and outputting the boundary information of an obstacle; s2, acquiring vehicle position information based on a Beidou positioning module; s3, the obstacle boundary information and the vehicle position information are input into a decision-making module, driving behaviors are determined through a preset state machine, and the driving behaviors comprise driving in a lane, lane-borrowing overtaking and decelerating for giving way; s4, track planning is carried out according to the driving behavior; s5, obtaining a track for control based on the smooth path and the planned speed; s6, generating a steering wheel turning angle by adopting an LQR algorithm based on a kinematic model on the basis of a track for control, and generating an acceleration compensation instruction by adopting a double-PID controller in which a position PID and a speed PID are connected in series; and S7, the vehicle executing mechanism controls the vehicle to run through the steering wheel rotation angle and the acceleration compensation instruction.

A trampoline includes an elastic plate and a supporting unit, wherein the elastic plate includes a first end and a second end, and a portion, located between the first end and the second end, of the elastic plate is an elastic energy accumulator; the supporting unit includes supporting bodies arranged at the first end and the second end of the elastic plate, and the supporting bodies are capable of supporting the elastic plate and tensioning the first end and the second end of the elastic plate; during bending deformation of the elastic plate, the first end generates a symmetrical turning angle change with respect to the second end; during deformation recovering of the elastic plate, the supporting bodies apply reset force to the first end and the second end by utilizing the potential energy.

The invention discloses a steering mode switching method based on an intelligent electric vehicle. An information acquisition module based on a wireless vehicle sensing system, a driving state comprehensive evaluation module, a steering mode selection module and a steering driving unit execution module are included. The information acquisition module based on the wireless vehicle sensing system is used for acquiring multi-dimensional information such as vehicle and driver states; the driving state comprehensive evaluation module combines a vehicle driving state factor, a road condition and environment factor, a driver behavior and reaction factor, a tire dynamic characteristic factor and a vehicle dynamic stability factor to construct a full-connection neural network model, and outputs a driving state comprehensive evaluation factor; the steering mode selection module selects a front-wheel steering mode, a four-wheel steering mode or an oblique steering mode according to the size relationship between the driving state comprehensive evaluation factor and each steering mode threshold value; and the steering driving unit execution module calculates the turning angle of each wheel and controls the action of each wheel according to the selected mode.

A vehicle control method for improving a driving stability of a vehicle includes: obtaining road information and determining a friction coefficient of road surface according to the road information; obtaining first vehicle parameters and a first yaw rate of the vehicle, the first vehicle parameters including a turning angle of steering wheel, and a longitudinal speed, and a lateral speed; determining a second yaw rate of the vehicle according to the first vehicle parameters, the first yaw rate, and the friction coefficient of road surface; determining a yaw moment of the vehicle according to a difference value between the first yaw rate and the second yaw rate; and distributing the yaw moment to a four-wheel driver, the four-wheel driver including four independent drivers for driving wheels. A computing device and a non-transitory storage medium are also provided.

The invention relates to an electric spoiler of an automobile, which comprises a lower base assembly fixed on a tail door metal plate; the upper base assembly is connected with the lower base assembly through a section of lifting mechanism assembly; the main spoiler assembly is fixed on the upper base assembly; and the outward opening spoiler assembly is connected with the upper base assembly through a two-section lifting mechanism assembly. Through the cooperation of the first-section lifting mechanism assembly and the second-section lifting mechanism assembly, the purpose of multi-section opening of the automobile spoiler is achieved, the high lifting height and the large overturning angle of the automobile spoiler are achieved, the function of a high-performance vehicle on the spoiler is achieved, meanwhile, when the automobile spoiler is closed, the whole mechanism can be compactly folded, occupied space is reduced, and the cost is reduced. The aesthetics and the space utilization efficiency of the vehicle are improved, and the manufacturing cost and the maintenance difficulty are reduced.

The invention provides an automatic driving vehicle steering control method and system, a storage medium and a vehicle. The method comprises the steps that a three-degree-of-freedom vehicle dynamics model with an active transverse stabilizer bar is established; converting the three-degree-of-freedom vehicle dynamics model into a state space equation form; performing discretization processing on the state-space equation by adopting a model predictive control algorithm, constructing an objective function and constraint conditions by taking tracking of an expected trajectory and minimum change of a controlled quantity as a control objective, and obtaining an optimal controlled quantity through rolling optimization solution; the optimal control quantity comprises a steering wheel turning angle, a vehicle rear wheel camber angle and a transverse stabilizer bar torque; and performing steering control on the vehicle according to the optimal control quantity. By implementing the method, the steering capability of the automatic driving vehicle can be improved, and meanwhile, the roll stability and the riding comfort of the vehicle during steering are improved.

The embodiment of the invention provides an anti-crosswind electric vehicle control method, a controller and an electric vehicle, and the electric vehicle control method is used for controlling a plurality of motors of the electric vehicle to adjust torque output when the electric vehicle is in a crosswind working condition so as to control the electric vehicle to resist crosswind yaw. The electric vehicle control method comprises the step of actively controlling the driving torques of two left wheels of the electric vehicle to be smaller than the driving torques of two right wheels at a first moment after a steering wheel of the electric vehicle rotates leftwards by more than a first preset angle. And at a second moment after the first moment, the leftward turning angle of the steering wheel is reduced, and the difference value between the driving torque of the two left wheels and the driving torque of the two right wheels is actively controlled to be reduced.

The utility model discloses an automobile suspension system. Comprising an angle module mounting plate, an upper control arm, a lower control arm, an air spring and electronic damper CDC assembly, a steering module and a steering knuckle. The top of the steering knuckle is directly connected with a steering module, the upper portion and the lower portion of the steering knuckle are connected with an angle module mounting plate through an upper control arm and a lower control arm respectively, an air spring and an electronic damper CDC assembly are further connected between the lower control arm and the angle module mounting plate, and the steering knuckle is fixedly mounted on a hub structure. And a tire rim and a brake are mounted on the hub structure. The suspension system supports four-wheel independent driving and four-wheel independent steering, is used for achieving the functions of in-situ steering, horizontal transverse moving and the like of the whole vehicle, and achieves ultra-small turning radius, large turning angle, reliable structure and performance and high expansibility during turning.

The invention discloses a vehicle steering control method and device, computer equipment and a vehicle, and belongs to the field of vehicle control. The method comprises the steps that under the condition that front wheels of a vehicle steer, steering parameters of the vehicle are collected; determining a dynamic control parameter of the vehicle based on the steering parameter; solving a dynamic model of the vehicle based on the dynamic control parameters to obtain target rear wheel turning angles suitable for a high-speed working condition and a low-speed working condition respectively; setting a vehicle speed interval according to the target rear wheel rotation angle, and controlling rear wheel steering according to the interval of the current vehicle speed in the vehicle driving process. According to the method, dynamic response characteristics of the vehicle at different speeds are fused, physical quantities such as the dynamic yaw velocity and the change rate of the dynamic yaw velocity are adopted as control targets, and compared with a traditional static model, the method has higher responsiveness and adaptability, the vehicle state can be reflected more truly, fine control over the rear wheel steering angle is achieved, and the method is suitable for large-scale popularization and application. Therefore, the requirements of low-speed maneuverability and high-speed stability are met simultaneously.

The invention belongs to the technical field of hydraulic control, and particularly relates to a steering mechanism, a control method of the steering mechanism and an operation machine.The steering mechanism comprises an axle, a steering wheel and a hydraulic control system, and the hydraulic control system comprises a power-assisted steering oil cylinder used for driving the axle to execute steering operation; the oil supply path is used for supplying oil to the power-assisted steering oil cylinder; the electric control reversing valve is arranged on the oil supply way, and two working oil ports of the electric control reversing valve are communicated with a rod cavity and a rodless cavity of the power-assisted steering oil cylinder respectively; the control unit is in communication connection with the electric control reversing valve and is configured to determine the turning angle of an axle under the condition that it is determined that the driver does not place the two hands on a steering wheel; and the working position of the electric control reversing valve is switched according to the turning angle, so that the power-assisted steering oil cylinder drives the axle to return, and the steering wheel is driven to return. By the adoption of the steering mechanism, when the two hands of a driver leave the steering wheel, the power-assisted steering oil cylinder can be automatically controlled to drive the axle and the steering wheel to return.

The invention relates to the technical field of vehicle control, and discloses a method and device for vehicle linear tracking control and a vehicle. The vehicle linear tracking control method comprises the steps of obtaining first position information of a navigation receiver, a vehicle wheelbase and a first distance between the position of the navigation receiver and the center of a vehicle rear axle; determining a preview point on the target driving straight line according to the first position information of the navigation receiver and the current vehicle speed; based on a trigonometric function relationship, determining a target corner according to the first position information of the navigation receiver, the second position information of the preview point, the vehicle wheelbase and the first distance; and controlling the vehicle to run according to the target corner. According to the vehicle linear tracking control method provided by the invention, errors in linear tracking control can be reduced, and the control precision is improved.

The invention provides an electric vehicle turning control method, a vehicle controller and an electric vehicle, and is applied to the technical field of electric vehicles. The control method is used for controlling a braking system and a driving system of the electric vehicle to reduce the turning radius of the electric vehicle in the turning process of the electric vehicle. The control method comprises the steps that at the first moment, the right turning angle of a steering wheel of the electric vehicle is increased from zero, and two front wheels of the electric vehicle are controlled to turn right; at a second moment after the first moment, the rightward turning angle of the steering wheel of the electric vehicle is increased to be larger than a first preset angle, and in the process that the driving system is controlled to output driving torque to the electric vehicle so as to drive the electric vehicle to run, a braking system of the electric vehicle is controlled to output braking force to two right wheels of the electric vehicle. On the basis, coordinated control over the driving system and the braking system is achieved, the turning radius of the electric vehicle can be reduced, and the driving direction can be rapidly changed in the turning process.

The embodiment of the invention provides a vehicle steering control method and device, electronic equipment and a vehicle. The method comprises the steps that under the condition that the yaw velocity deviation of a vehicle is larger than a set threshold value, vehicle driving state parameters, the road curvature of a current lane where the vehicle is located, the distance between the vehicle and a boundary line of the current lane, the steering angle of a steering wheel and vehicle steering parameters are obtained; and determining whether to trigger a lane keeping assist system of the vehicle at a predicted time based on the vehicle driving state parameter, the road curvature, the spacing, the steering wheel angle, and the vehicle steering parameter. According to the method, the specific time when the lane keeping auxiliary system should be triggered can be more accurately judged, the problem that the normal driving operation of a driver is affected due to frequent false triggering of the lane keeping auxiliary system in the returning process after the driver actively steers is avoided, and the vehicle safety is improved.

The invention relates to a vehicle steering control method and device, vehicle-mounted equipment, a vehicle, a medium and a product. The method comprises the following steps: acquiring an ideal Ackerman corner of each wheel in a vehicle in a current driving state; according to the ideal Ackerman rotation angle of each wheel and the current driving state, estimating the side slip angle of each wheel to obtain an estimated side slip angle of each wheel; determining whether the vehicle is in a high-speed steering state according to the current driving state; determining a target steering angle according to whether the vehicle is in a high-speed steering state, the estimated slip angle of each wheel and the ideal Ackerman steering angle of each wheel; and controlling each wheel of the vehicle according to the target steering angle. By adopting the method, the deviation of the ideal Ackerman angle in the steering process can be compensated by estimating the slip angle, so that the handling stability and the steering precision of the vehicle can be improved, and the stability and the safety of the vehicle in the running process are further improved.

The invention discloses a distributed steering control method, and belongs to the technical field of vehicle steering. The control method comprises the following steps: acquiring real-time driving data of a vehicle, wherein the real-time driving data comprises a steering wheel angle, a vehicle speed, a road adhesion coefficient and a side slip angle; determining a target Ackerman rate according to the real-time driving data; and controlling the wheels of the vehicle according to the target Ackerman rate and the real-time driving data. According to the real-time driving data of the vehicle, the Ackerman rate is determined, the vehicle turning angle control value is determined according to the Ackerman rate determined in real time and the real-time driving data, and then vehicle wheels are controlled according to the vehicle turning angle control value. Namely, the Ackerman rate of the vehicle in the driving process can adapt to different real-time driving data of the vehicle, the real-time driving data of the vehicle is fully considered, the control stability of the vehicle in key scenes such as high speed, low attachment and low speed is effectively improved, the driving burden of a driver is relieved, and the risk that the vehicle is unstable or even out of control is reduced.

The invention belongs to the field of wind power equipment transportation, and provides a wind power large piece transportation path intelligent planning system and method based on deep learning, and the method comprises the steps: obtaining terrain DEM data in a wind power plant range, and converting the terrain DEM data into three-dimensional vector data and three-dimensional vertex coordinates; receiving the three-dimensional vertex coordinates, constructing a road network topological structure representation based on a homotopy theory, extracting microscopic local features and a macroscopic global structure of a road network through a multi-level graph neural network, and realizing dynamic representation and updating of the road network based on manifold learning; receiving the road network topological structure representation and the road network features, and generating a vehicle dynamics constraint condition and a road section geometric difficulty coefficient by comprehensively considering the maximum climbing angle, the maximum turning angle, the maximum speed and the braking distance of the vehicle; and receiving the road network dynamic representation, the vehicle dynamics constraint condition and the road section geometric difficulty coefficient, and generating an optimal transportation path with balanced safety, time efficiency and transportation cost by adopting a multi-target reinforcement learning algorithm.

Method for adapting the lateral acceleration of a remotely operated land vehicle to a curved trajectory. One aspect of the invention relates to a computer-implemented method (2) for adapting the lateral acceleration of a land vehicle (V) to a curved trajectory (C) on a surface, the vehicle being remotely controlled. Method (2) comprises a set of iterations for which, in each iteration, optimal longitudinal speed and optimal steering angle setpoints are obtained by solving a constrained finite-horizon optimal control problem. Figure to be published with the abstract: Figure 4.

An excavator includes a lower traveling body; an upper turning body turnably mounted to the lower traveling body; an acquisition device mounted to the upper turning body and configured to acquire information including a status around the excavator; and a control device configured to recognize a reference object that is in a stopped state or at a fixed position around the excavator based on the information acquired by the acquisition device, and to estimate a turning angle of the upper turning body based on a change in a position of the reference object as viewed from the upper turning body.

The invention discloses a steering fault-tolerant control strategy suitable for a three-axis modular distributed electric drive heavy-duty vehicle. Determining a six-wheel rotation angle of the health system according to the steering multi-model set, and establishing a model; the input quantity is the front wheel turning angle of the three shafts, and the vehicle yaw velocity is solved by combining the longitudinal velocity of the vehicle; parsing driver pedal input as a target longitudinal speed; setting total driving force and total yawing moment control quantity, and obtaining total driving force and total yawing moment by using a model predictive control algorithm; according to the relation between the longitudinal force and the slip rate and between the lateral force and the slip rate of the tire, the lateral force borne by the fault wheel is minimized, the rotating speed and the driving torque of the fault wheel are calculated, and a cost function is set with the tracking error of the total driving force and the total yawing torque and the attachment rate of the healthy wheel as soft constraints; the maximum torque and the minimum torque which can be output by the hub motor serve as hard constraints, and a multi-objective optimization problem is established and solved; and finally issuing the control quantity. According to the method, steering fault-tolerant control of the three-axle six-wheel vehicle is realized.

The invention provides a hydraulic drive type multi-angle overturning discharging device. The hydraulic drive type multi-angle overturning discharging device comprises a frame assembly. The conveying and overturning mechanism comprises an overturning frame body which is arranged at the top of the frame assembly, and a conveying assembly used for conveying a container containing materials is arranged on the overturning frame body; the two driving mechanisms are arranged on the two sides of the frame assembly correspondingly, each driving mechanism comprises a hydraulic cylinder, a driving toothed plate and a driving gear, the driving gears are rotationally arranged on the frame assembly and connected with the rotating shaft, and the hydraulic cylinders drive the driving gears to rotate through the driving toothed plates so as to drive the overturning frame bodies to overturn; and after it is detected that the materials reach the designated position, a control signal is sent to the driving mechanism so that the driving mechanism can reach the target overturning angle according to the target overturning speed. Through cooperative action of the hydraulic cylinder set, stepless overturning of 0-150 degrees is supported, and the hydraulic cylinder set can be suspended at any middle angle. The double hydraulic cylinders are synchronously controlled in a closed loop mode, inclination caused by uneven material distribution is avoided, and the overturning stability and reliability are effectively guaranteed.