188results about "Hand levers" patented technology

A control arm for a lawn mower, the control arm including a lower arm having a slot defined therein, an upper arm pivotably coupled to the lower arm, the upper arm having a cam surface defining a first recess and a second recess, and a latch mechanism formed between the upper and lower arms to selectively secure the upper arm in an operational position or a stored position. The latch mechanism includes a rod supported and movable within the slot, and a biasing member configured to bias the rod into engagement with the first recess to secure the upper arm in the operational position or the second recess to secure the upper arm in the stored position.

The present invention relates to a safety steering device for manual intervention by a safety driver in an autonomous vehicle or a vehicle with a driver assistance system. The safety steering device comprises a control unit and a joystick operable by the safety driver, from which a steering intervention signal can be transmitted to the control unit, wherein the steering intervention signal overrides an autonomous steering signal. A safety control element is arranged on the joystick, which, when activated by the safety driver, generates a release signal to enable the transmission of the steering intervention signal to the control unit.

Provided are a vehicle control method, a multi-purpose vehicle, and a garden work vehicle. The multi-purpose vehicle includes a drive mechanism, a control mechanism, and an auxiliary control mechanism. The auxiliary control mechanism includes: a control state sensing component, configured to determine a control state of a user with respect to the control mechanism; a traveling state sensing component, configured to determine the traveling state of the multi-purpose vehicle, the traveling state including a straight-line traveling state and a non-straight-line traveling state; and a calibration controller component, configured to determine that the multi-purpose vehicle is traveling abnormally in response to a mismatch between the traveling state and the control state. The calibration controller component is further configured to adjust, in response to determining that the multi-purpose vehicle is traveling abnormally, the operating state of the drive mechanism to match the traveling state with the control state.

There is provided a work machine allowing a steering operation device to be enhanced in reliability. The steering operation device includes a joystick, a first electric lever, and an input unit. The joystick receives an operator's operation. The first electric lever includes a first main body unit and a first lever unit tiltable with respect to the first main body unit, and outputs a tilt angle of the first lever unit with respect to the first main body unit. The input unit inputs an input to the first lever unit of the first electric lever to tilt the first lever unit with respect to the first main body unit of the first electric lever. The input unit has an elongated hole extending in the frontward / rearward direction. The first lever unit is disposed in the elongated hole.

The invention relates to the technical field of aerial work equipment, in particular to an aerial work platform and a traction walking control method thereof. The power unit is fixedly arranged in the middle of the chassis; the auxiliary walking mechanism is connected with the chassis through a bolt, a first connecting piece and a self-lubricating shaft sleeve; the control oil cylinder acts to realize the angle swing of the coupling auxiliary wheel; the supporting legs are arranged on the periphery of the chassis, and supporting leg oil cylinders and supporting leg control valves are arranged on the supporting legs. The problem that a dragging type aerial work platform is difficult to move in a working place is solved, so that the labor intensity of an operator is relieved, and the purpose of walking freely is achieved.

A wireless network, systems and methods, wherein each passenger-carrying rideable vehicle deployed in the system includes: a modular construction consisting of a lightweight body driven by an electric-battery driven motor, and specially adapted for receiving a customizable ornamental body having the appearance and personality of a particular or an inanimate object; motorized and / or animated elements disposed beneath the animal character skin covering for enabling animal behaviors and / or expressions that promote a fun and entertaining ride experience; an audio-transducers mounted within the animal character body for playing music from smartphone applications and animated animal character body portions to provide a sense of realism and excitement as the electric entertainment vehicle is ridden through an amusement facility.

A vehicle steering assembly for controlling movement of a vehicle having independently rotatable left and right ground-engaging traction elements. The steering assembly comprises a steering handle and a steering controller positioned generally below the steering handle and actuated by movement of the steering handle. The steering handle includes an upright shaft and a laterally-extending crossmember fixed to the top of the upright shaft. A flexible protective cover is attached to the shaft and is configured to prevent dirt and debris from entering the steering controller. The steering handle is shiftable in forward and rearward directions to thereby cause corresponding forward and rearward rotation of both of the left and right traction elements. The steering handle is rotatable in clockwise and counterclockwise directions to thereby cause a change in the relative speeds and directions of rotation of the left and right traction elements.

This invention relates to the field of tractor technology, and more particularly to a tractor applicable to multiple operating scenarios, comprising: a vehicle body, a control assembly, a traction connection assembly, a drive assembly, and a control assembly; the control assembly includes: a connector detachably connected to the vehicle body; an operating assembly rotatably mounted on the connector; a front wheel assembly rotatably mounted below the connector; and an adjustment assembly located below the operating assembly for switching between an integrated connection between the operating assembly and the vehicle body or an integrated connection between the operating assembly and the front wheel assembly; enabling the operating assembly to directly control the vehicle body or directly control the front wheel assembly; by changing the connection relationship between the operating assembly and the vehicle body or the front wheels through the adjustment assembly, the tractor can adapt to different working conditions, enabling multi-working-scenario applications of the tractor, and allowing the operator to flexibly adapt to different working conditions to achieve the optimal operating mode.

A zero turning radius mower park brake system 100 includes a pair of steering levers (101, fig 1) attached to steering arm brackets 102 that are pivotable forward and reverse on a first axis 112 for r

A steering mechanism that steers a pair of front wheels (10) of an electric mobility vehicle, wherein the steering mechanism is capable of steering an inner wheel and an outer wheel such that a steering angle difference between an inner wheel steering angle and an outer wheel steering angle when the inner wheel steering angle is a second angle which is within a range of 90° or greater is at least five times the steering angle difference when the inner wheel steering angle is a first angle which is within a range of 40° to 45°, wherein the inner wheel steering angle is a steering angle of the inner wheel and the outer wheel steering angle is a steering angle of the outer wheel.

A work machine includes a vehicle body, traveling wheels, a steering member, an actuator, and a controller. The steering member is operable in a left steering range, a right steering range, and a neutral range. In a case where the steering member is located in the neutral range, the actuator sets a steering angle of the traveling wheels to a predetermined neutral angle. The actuator changes the steering angle from the neutral angle to left and right, in accordance with an operation of the steering member. When the steering member is operated from the left steering range or the right steering range to the neutral range, the controller determines whether the steering angle returns to the neutral angle. The controller determines a traveling direction of the vehicle body at a time when the steering angle returns to the neutral angle as a target direction. The controller controls the actuator so that the traveling direction of the vehicle body is maintained on the target direction.

A zero turning radius mower park brake system includes a pair of steering levers attached to steering arm brackets that are pivotable forward and reverse on a first axis for rotating a pair of traction drive wheels in forward or reverse, and pivotable outwardly on a second axis while in a neutral position. A wire cable connects each steering arm bracket to a park brake. The wire cable retracts sufficiently to actuate the park brake when the steering arm bracket is pivoted outwardly on the second axis, but does not actuate the park brake when the steering arm bracket it pivoted forward or reverse. At least one spring provides a force urging the park brake into engagement when the steering arm pawls to park brake engaged position.

A wireless network, systems and methods, wherein each passenger-carrying rideable vehicle deployed in the system includes: a modular construction consisting of a lightweight body driven by an electric-battery driven motor, and specially adapted for receiving a customizable ornamental body having the appearance and personality of a particular or an inanimate object; motorized and / or animated elements disposed beneath the animal character skin covering for enabling animal behaviors and / or expressions that promote a fun and entertaining ride experience; an audio-transducers mounted within the animal character body for playing music from smartphone applications and animated animal character body portions to provide a sense of realism and excitement as the electric entertainment vehicle is ridden through an amusement facility.

The present invention relates to a steer-by-wire steering system (1) for a motor vehicle, wherein a steering control element (2) can be moved between two stops starting from a central position. The steer-by-wire steering system (1) is designed to sense a steering angle introduced into the steering control element (2) and a steering torque introduced into the steering control element (2), as a steering specification, and a wheel steering adjuster (3) is designed to convert a sensed steering specification into a wheel steering angle of steerable wheels (8). The steer-by-wire steering system (1) is further designed to determine the steering specification by evaluating the sensed steering angle, during movement of the steering control element (2) between the stops, and to determine the steering specification by evaluating the sensed steering torque, once one of the stops has been reached. The invention further relates to a method for operating a steer-by-wire steering system (1) in a motor vehicle, wherein a steering angle introduced during movement of the steering control element (2) between a first stop and a second stop is sensed as a steering specification, and wherein a steering torque introduced once one of the stops has been reached during movement of the steering control element is sensed as a steering specification.

An integrated operation apparatus for an autonomous vehicle, includes a joystick lever used to accelerate, decelerate, and steer the vehicle, an acceleration and deceleration actuator module and a steering actuator module each include a position sensor module to generate signals related to the acceleration, deceleration, and steering of the vehicle when the joystick lever module is operated, and a torque sensor module is used to feedback control a steering motor during steering operation, realizing more precise steering sensation.

The steering system comprises a steering control mechanism and a connecting support, the steering control mechanism is connected with the upper end of the connecting support, and the lower end of the connecting support is connected with a steering sensor through a rotary supporting bearing. The outer side of the supporting pivotal bearing is connected with a mounting base used for supporting the supporting pivotal bearing, the steering sensor is a variable damping sensor, and the method comprises the following steps that 1, a forklift driving speed signal is obtained; step 2, calculating an input current signal of a steering sensor; step 3, generating rotation damping; 4, the driver rotates a steering control mechanism; and 5, the steering wheels are controlled to rotate through the rotating angle of the steering sensor, and forklift steering is completed. According to the forklift steering control method, the steering sensor with the variable damping is arranged, the forklift speed of the forklift is associated with the steering hand control force of a driver on a steering system, and the steering control force of the forklift is changed along with the change of the running speed of the forklift.

The utility model discloses an electric piling car, and belongs to the technical field of loading and unloading carrying equipment, the electric piling car comprises a handle steering system, the handle steering system comprises an upper seat, a gas spring and a lower seat, the lower end of the gas spring is mounted on the lower seat through a rotating shaft, the upper end of the gas spring is a spherical structural member, and the spherical structural member is mounted in the upper seat; the spherical structural part can rotate in the upper seat when being stressed, an adjusting bolt is mounted at the top of the upper seat, the bottom of the adjusting bolt extends into the upper seat to act on the spherical structural part, and the force applied to the spherical structural part by the adjusting bolt is changed by rotating the adjusting bolt. The structure of the handle steering system is optimized, so that the structure is simple and convenient and operation is flexible.

The invention provides a flexible and reliable heavy-load medical trolley which comprises a trolley body, a handle, trundles, a steering mechanism, a brake mechanism and a stable lifting mechanism. The steering mechanism adopts a gear-chain transmission system, all the trundles of the trolley are synchronously controlled to steer synchronously through steering of a hand control handle, and the steering control precision and synchronism of the multiple trundles of the medical trolley are improved; the brake mechanism adopts a connecting rod transmission system, the brake assembly is controlled to move up and down and rub with the ground for braking by stepping on a pedal, the operation action is simple and labor-saving, the trundles are effectively protected from being damaged, and the medical trolley is enabled to start, stop and brake quickly and safely in a labor-saving manner; the stable lifting mechanism is used for controlling the medical trolley to stably load equipment and controlling the equipment to lift; the above structures cooperate to jointly improve the control precision of the heavy-load medical trolley, reduce the control difficulty of the heavy-load medical trolley, and improve the moving flexibility, precision and reliability of the heavy-load medical trolley.

To provide a steering device with a simplified configuration.SOLUTION: A steering device 100 includes a first steering unit 1, a second steering unit 2, a turning unit 3, and a control device 4. The first steering unit 1 includes a first lever 1B for performing a turning operation of a vehicle and a first tilt angle sensor 1C that detects a first tilt angle θ1, which is the amount of operation of the first lever 1B. A second steering unit 2 includes a second lever 2B for performing a turning operation of the vehicle and a second tilt angle sensor 2C that detects a second tilt angle θ2, which is the amount of operation of the second lever 2B. The turning unit 3 includes a turning motor 31 that generates a force for turning a turning wheel 5 of the vehicle. The control device 4 controls the turning motor according to the first tilt angle θ1 and the second tilt angle θ2. The first lever 1B and the second lever 2B are configured so as not to mechanically interlock with each other.SELECTED DRAWING: Figure 1

The application belongs to the technical field of steering control, and particularly relates to a handle steering adaptive control method and system based on vehicle speed sensing and a medium. The handle steering adaptive control method comprises the following steps: a controller acquires the current vehicle speed of a motor grader in real time to calculate a steering angle threshold and a steering speed under the current vehicle speed; after the controller acquires the stroke signal of the handle under the current vehicle speed, the controller calculates the theoretical steering angle corresponding to the stroke signal; steering is performed according to the theoretical steering angle and the steering speed; or steering is performed according to the limit steering angle corresponding to the steering angle threshold and the steering speed. The application strictly limits the steering range when driving at high speed, improves the handle operation safety, provides fast steering at low speed, provides smooth steering at high speed, reduces the steering difficulty under high sensitivity of the handle, and realizes the optimal matching of the stroke signal of the handle and the steering angle output under different vehicle speeds, effectively offsets the defects of short stroke and no mechanical feedback of the handle.

The present invention discloses a track-wheel composite tobacco leaf light-weight harvesting conveyor, comprising: an engine; an output end of the engine is fixedly connected to a driving pulley, the driven pulley is rotatably connected to the outer wall of the driving pulley by a belt, an end of a first rotating rod away from the driven pulley is fixedly connected to a driving sprocket, the driven sprocket is rotatably connected to the outer wall of the driving sprocket by a chain, a second transmission gear is fixedly connected to the middle portion of the outer wall of the second rotating rod, and the third transmission wheel is rotatably connected to the outer wall of the second transmission gear by a first crawler. Compared with the prior art, the present invention drives the driving pulley to rotate by rotating the output end of the engine, so that the first rotating rod drives the driving sprocket to rotate, and the driving sprocket in turn drives the driven sprocket to rotate via the chain, and the steering pedal can drive the second axle seat to rotate so that the fourth rotating rod drives the wheel to rotate, thereby controlling the direction of the conveyor.

An motor vehicle seat for a driver of a motor vehicle includes a frame and one or more control devices coupled to the frame in a movable manner relative to the frame and manually manoeuvrable by the driver to emit electrical control signals configured to drive the motor vehicle according to the movement of the control devices with respect to the frame.

A steering assembly of a vehicle includes a housing configured for operable connection to a steering column of the vehicle, and one or more steering handles located at the housing. The one or more steering handles are rotatably mounted to the housing to rotate about respective steering handle axes relative to the housing between an extended position and a folded position.

A vehicle steering assembly includes a housing configured for operative connection to a steering column of the vehicle, and one or more steering handles disposed on the housing. The one or more steering handles are rotatably mounted on the housing for rotation relative to the housing between an extended position and a folded position about respective steering handle axes.

In this steering input device (1) and steer-by-wire steering device (SD), a steering input member (31) has: an operation unit (5) that is steered when a rudder angle is applied to wheels (WL) (WR) of a vehicle; and a fixing part (6) which is fixedly provided at a position different from that of the operation part (5) and which comes into contact with the operator hand (H) of the driver during an operation of the operation part (5) by the driver. Therefore, when the operation part (5) is operated, the fixed part (6) is contacted with the operation part (5) at the same time, the displacement difference between the operation part (5) and the fixed part (6) is sensed at the contact part, and the friction force between the operation part (5) and the operator (H) can be adjusted, so that the fine adjustment of the steering angle is easy when steering and returning are increased, and the operability of the steering operation input device (1) is improved.

The invention provides an information notification system, a control device, and a control method. An information notification system (10) is provided with: an actuator (14) which is capable of vibrating a main body (19) of a steering device for operating a moving body and which is capable of outputting sound by means of the vibration; a light-emitting unit (13) which is provided to the steering device (20) and which can emit light; and a control device (30) that is electrically connected to the actuator (14) and the light-emitting unit (13), controls the actuator (14) and the light-emitting unit (13), and receives display information relating to a display lamp to be displayed toward an operator operating the moving body, the control device determines a control mode when receiving the display information, and controls the actuator (14) and the light-emitting unit (13). After the actuator is used to vibrate the main body in the determined control mode and the light emitting part is made to emit light in the determined control mode, the actuator is used to output sound related to the received display information.

The invention relates to a multifunctional operation vehicle and a multifunctional garden vehicle. The multifunctional garden vehicle comprises a vehicle frame, at least two functional mechanisms, a power system and a controller system. The functional mechanism is used for executing specific functions of the multifunctional garden vehicle, and the power system is used for supplying power to the functional mechanism; the controller system is used for controlling the functional mechanism to generate functional state change when the functional mechanism executes a specific function; the at least two functional mechanisms comprise a garden operation component and a walking assembly, and the garden operation component is used for garden operation; the walking assembly is used for driving the multifunctional garden vehicle to run. The control piece is arranged on the active steering assembly, so that the control piece can be conveniently and quickly controlled when the hand of a user holds the control handle; and when the user controls the control piece, the hand still holds the active steering assembly, that is, the danger caused by the fact that the active steering mechanism slips out of the hand when the user controls the vehicle through the control piece is avoided.