14results about How to "Smooth steering" patented technology

A tool integrated cabinet for rail transit vehicles includes a shell, a pullable support frame, a damping universal roller and a folding seat storage cabin. The support frame is linearly guided through the sliding cooperation of a T-shaped guide rail and a clamping block. The stability of the support frame in a vehicle vibration environment is improved by the antiskid rubber material and damping design of the roller. The inside of the support frame adopts a modular partition structure. A fire extinguisher is fixed through the placement grooves of first and second support plates. The bottom plate cooperates with a guide groove to realize the quick taking and placing of an escape ladder. A groove is internally provided with a slide rail type folding seat storage cabin. The folding seat storage cabin is linked with a storage guide plate through a handle passage to realize the vertical partition management of emergency equipment and auxiliary tools. In addition, the conical self-locking structure and spring elastic pre-tightening mechanism of the plug rod and plug plate can effectively prevent the accidental sliding of the support frame. The combination innovation of the T-shaped guide rail, damping roller and folding cabin integration significantly enhances the safety and convenience of rail transit emergency equipment management.

This utility model belongs to the field of photovoltaic cleaning robot technology, and discloses a fixed-point steering device, a photovoltaic cleaning robot, and a photovoltaic cleaning robot system. The suction cup assembly of the fixed-point steering device includes a suction cup, a connecting tube, and a gas adapter. The suction cup has suction holes, one end of the connecting tube is connected to the suction cup, and the gas adapter is rotatably connected to the other end of the connecting tube. The gas adapter is used to connect a vacuum pump. The lifting drive assembly is located on the chassis frame and includes a drive component and a floating lifting component. The drive component is located on the chassis frame, and the floating lifting component is connected to the output end of the drive component. The floating lifting component is movably connected to the connecting tube and is used to drive the connecting tube to rise and fall along its own axis. The connecting tube is configured to move relative to the floating lifting component along its own axis. The above-mentioned connecting tube will not drag the drive component when adapting to the concave area of ​​the walking surface, reducing the risk of damage to the drive component, reducing air leakage from the suction cup, and improving steering stability and accuracy.

The utility model relates to the technical field of lifting equipment, in particular to a trolley chassis with a boom type steering structure. A trolley chassis with a boom type steering structure comprises steering wheels used for controlling and driving a trolley to move and steer, power wheels used for controlling and driving the trolley to move and brake, a frame used for installing the steering wheels, the power wheels and a control system assembly of the power wheels, and the steering wheels are controlled to swing through a swing oil cylinder and achieve steering control. The two ends of the swing oil cylinder are connected with the steering wheels on the two sides of the vehicle frame in a control mode and are synchronously controlled in a telescopic mode. The two ends of the two-way oil cylinder are connected with the steering wheels on the two sides of the frame respectively, synchronous stretching and retracting and same-angle steering of the steering wheels on the two sides are achieved through driving of the hydraulic system, the problem that steering is not synchronous due to mechanical gaps, response lag and the like in a traditional multi-motor or multi-steering-engine system is effectively solved, the advancing track of the trolley is more accurate, and the stability is higher. And the stability and the safety during steering are obviously improved.

The invention discloses a control system for a disabled person to control a walking vehicle, and belongs to the technical field of disabled person auxiliary vehicle control. The system comprises a left foot control module, a right foot control module, an electric control system and two driving motors for driving a left wheel and a right wheel respectively. The left foot control module is used for receiving deflection operation applied by the left foot of the user and generating a steering control signal; the right foot control module is used for receiving a pressing operation applied by the right foot of the user and generating a speed control signal or a retreating control signal; the electric control system controls the two driving motors to realize steering at differential speed according to the steering control signal, and controls the rotating speed and steering of the motors according to the speed control signal or the retreating control signal so as to realize advancing, retreating and speed regulation of the vehicle. By means of independent separate control of the two feet, the person with the disabled upper limbs can safely and independently control the vehicle, the problem that the person with the disabled upper limbs cannot use a traditional control device due to the defects of the upper limbs is solved, and the device has the advantages of being easy and convenient to control, safe, reliable and high in adaptability.

The utility model belongs to wall -climbing robot technical field especially relates to a kind of negative pressure adsorption wall -climbing robot, including robot body;Culvert component, it is set in robot body, the air inlet of culvert component is opened at the bottom end of robot body, the air outlet of culvert component is opened at the top end of robot body and towards the tail end of robot body;Turbulence component, it is fixedly set at the bottom end of robot body around;Filtering component, it is fixedly set at the bottom end of robot body, and filtering component cover is set in the air inlet of culvert component.The utility model can improve the stability in the process that robot climbs wall.

The application relates to the technical field of vehicle control, and discloses a rear-drive vehicle steering control method, a rear-drive vehicle steering control system, a rear-drive vehicle steering controller and a rear-drive vehicle, the method comprising the following steps: when it is determined that the rear-drive vehicle is steering, determining a steering stability state of the rear-drive vehicle according to preset steering stability parameters; when the steering stability state is unstable, determining a steering deviation degree of the rear-drive vehicle according to the preset steering stability parameters; and executing a torque control strategy matched with the steering deviation degree according to the steering deviation degree, so as to reduce the steering deviation of the rear-drive vehicle. The application can determine the steering deviation degree corresponding to different excessive steering degrees according to the preset steering stability parameters, so that different torque control strategies are executed corresponding to different excessive steering degrees, and then the steering deviation of the rear-drive vehicle is reduced through the execution of the progressive torque control strategy corresponding to different excessive steering degrees, the steering process of the driver is more stable, and the stability of vehicle driving is improved.

The invention relates to a three-slit flap type ducted fan power lift augmentation unit and an aircraft. The power lift augmentation unit comprises a ducted fan and an airflow steering assembly. The ducted fan is provided with an air inlet and an air outlet, a main wing and a lower winglet which are in contact with air are formed on the upper portion and the lower portion of an inner duct of the ducted fan respectively, and a containing cavity is formed in the rear end of the main wing. The airflow steering assembly comprises a deflectable front flap, a deflectable middle flap and a deflectable rear flap which are all located at an air outlet of the ducted fan and have a retracted state in the containing cavity and an unfolded state in which the flaps are sequentially deflected out of the containing cavity and are sequentially arranged from top to bottom in the vertical direction; the deflection angles of the front flap, the middle flap and the rear flap are sequentially increased from the retracted state to the unfolded state. According to the aircraft, the lift force conversion efficiency in the vertical lifting stage is improved, the horizontal thrust is greatly reduced, and the vertical lifting stability and speed of the aircraft are remarkably improved.

The application discloses a vehicle and a method and device for controlling the vehicle to turn in place. The method comprises the following steps: in response to a turning-in-place function starting signal of the vehicle, obtaining a driving mode, a vehicle speed, a steering angle and a steering direction of the vehicle; when it is determined that the vehicle meets the turning-in-place function starting condition according to the driving mode, the vehicle speed and the steering angle, determining a target wheel according to the steering direction; and applying a braking force to the target wheel or locking the target wheel to make the vehicle turn in place. Thus, the minimum turning purpose of the vehicle can be achieved, the vehicle can more smoothly complete the turning-in-place, the turning performance of the vehicle is improved, and the problem of personal safety or property safety caused by poor turning performance of the vehicle during vehicle driving is reduced.

The utility model belongs to industrial dust removal equipment technical field, concretely relates to a front -leaning air -intaking type polishing dust removal workstation, including the body and dust removal mechanism in dust removal cavity of body rear part, the body front part is the work area with polishing platform surface, and dust removal mechanism contains the air inlet grille of front -leaning setting, top air outlet board, dust removal air duct, filter piece and negative pressure fan, dust removal air duct is by the oblique air inlet section of matching with air inlet grille angle, transition section and vertical air outlet section in proper order and is linked to form, and the vertical air outlet section end butt -joints air outlet board, the utility model can smooth guide dust -laden airflow, reduce the turbulence and wind resistance in air duct, improve the collection efficiency to the suspended dust.

The utility model relates to aluminium profile processing technical field especially is a kind of efficient positioning turnover device of aluminium profile numerical control drilling and milling center, including base, the rear end fixed mounting of base has main arm, the front end of main arm is provided with milling head, the upper end of base is opened with movable slot, aluminium profile is slidably connected in movable slot, the upper end movable mounting of base has turnover mechanism, and turnover mechanism is slidably connected with aluminium profile.The utility model relates to a kind of efficient positioning turnover device of aluminium profile numerical control drilling and milling center, and aluminium profile is firmly clamped by accurate positioning mechanism, ensure high-precision processing and promote efficiency, and unique turnover mechanism allows aluminium profile to be processed in multiple surfaces without re-chucking, significantly enhance the multifunctionality and operation convenience of equipment, substantially reduce production time and cost, improve the overall flexibility and economic benefits of production line.

This application discloses a vehicle control method, a vehicle, and a storage medium. When a steering signal is received, the first wheel of the vehicle is controlled based on a given first control parameter, and the two second wheels of the vehicle are controlled to rotate in opposite directions based on a second control parameter, thereby achieving stable steering with the rotation center on the vehicle's axis of symmetry. Compared to the method in related technologies where the steering center of a three-motor system vehicle rests on a single tire, this application achieves more stable steering for a three-motor system vehicle.

The application discloses a photovoltaic power station, comprising a photovoltaic string, the photovoltaic string is at least two rows arranged in a first direction, at least one end of the adjacent two rows of photovoltaic strings is connected through an arc-shaped track switching rail, the arc-shaped track switching rail is configured to cooperate with the walking mechanism of a photovoltaic cleaning robot; the photovoltaic string comprises a cable structure flexible support and a plurality of photovoltaic components supported on the cable structure flexible support, and the arc-shaped track switching rail comprises an inner ring track and an outer ring track respectively connected with two side frames of the photovoltaic components arranged in the first direction. The arc-shaped track switching rail of the application creates a continuous and barrier-free walking channel for the photovoltaic cleaning robot. The inner ring track and the outer ring track are curves, allowing the photovoltaic cleaning robot to turn more smoothly and more energy-efficiently, reducing stuttering, wear and energy loss. The photovoltaic cleaning robot can automatically cross the rows without relying on a ferry car, reducing the cross-row cost, cross-row risk and improving the cross-row efficiency.

This utility model discloses a horizontal deployment and retrieval device for a submersible pump in shallow water areas. It includes a base plate with a set of relatively parallel support plates on the base plate. A drum is rotatably mounted between the two support plates, and two sets of steel cables are wound on the drum. A connecting plate is fixedly mounted on the two support plates, and a drive screw and an upper sliding rod are positioned between the two connecting plates. A sliding frame is mounted on the upper sliding rod and the drive screw. An upper guide wheel is mounted at the top of the sliding frame, and a lower guide wheel is mounted at the bottom of the sliding frame. The upper guide wheel is parallel to the axis of the drum, and the axis of the lower guide wheel is perpendicular to the axis of the upper guide wheel. A transition wheel is also provided between the upper and lower guide wheels. The beneficial effect of this utility model is that by setting two sets of differently wound steel cables on the upper and lower guide wheels, the force on the submersible pump can be balanced by the two-point traction of the two sets of steel cables, preventing the submersible pump from tilting or shifting during deployment and retrieval, thus adapting to the horizontal posture requirements of the submersible pump in shallow water areas.