6557 results about "Treadle" patented technology

The present application relates to the technical field of piano, in particular to a piano pedal system, comprising an external unit and an additional unit; the external unit comprises: an external pedal module comprising at least one external pedal; a data acquisition module for acquiring the pedal data of the external pedal; a height adjustment module comprising a driving mechanism and two supporting mechanisms, the driving mechanism comprising a driving motor, a driving gear fixedly connected with the output shaft of the driving motor and two driving racks, the two driving racks being oppositely engaged on both sides of the driving gear, the supporting mechanisms being one-to-one arranged with the driving racks, the supporting mechanisms being connected between the driving racks and the external pedal module, the driving racks driving the supporting mechanisms to stretch or retract to realize the height adjustment of the external pedal module; the additional unit is used for stepping on the corresponding piano pedal according to the pedal data. The present application can be applied to different types and models of pianos and improve the accuracy and convenience of the height adjustment of the pedal.

The invention discloses an assembling device for a front foot ladder of a metal herringbone ladder. The assembling device comprises a ladder pipe feeding mechanism, a horizontal drilling mechanism, a foot sleeve mounting mechanism, a front foot ladder accessory shaping mechanism and a front foot ladder accessory shaping mechanism, the ladder pipe is horizontally transferred to a horizontal drilling station, the ladder pipe is clamped, horizontally transferred, clamped and fixed through a horizontal drilling mechanism, and the inner side of the ladder pipe is drilled and tapped or / and punched; the foot sleeve mounting mechanism jacks the foot sleeve into the tail end of the ladder pipe, and then applies external force to extrude and deform so as to fix and limit the foot sleeve at the tail end of the ladder pipe; the front foot ladder accessory shaping mechanism grabs ladder pipes, cross rods and top pedals, the ladder pipes, the cross rods and the top pedals are obliquely turned and placed at preset positions in a splayed shape, and frame installation of a front foot ladder is completed. The vertical drilling and tapping mechanism is used for transferring the front foot ladder to a vertical drilling and tapping station, and the cross rod and the top pedal are locked on the ladder pipe, so that the whole frame of the front foot ladder is fixed. The assembling device is reasonable in structure, easy to operate, high in automation degree and high in efficiency, and production benefits are maximized.

A stowable tailgate step assembly system comprises a frame with two interconnected frame arms adapted to be mounted longitudinally in a vehicle tailgate. A slide module, releasably latched to the frame, comprises two longitudinal carrier arms which translate in relation to the frame arms, and a step assembly. The step assembly comprises two slide arms which translate in relation to the carrier arms, and a first step and at least one additional step pivotally connected by at least one link rod to facilitate synchronous rotation of the steps. Control means to control rotation of the steps during translation of the carrier arms from a stowed position to an extended position are provided. Deployment means to control rotation of the steps between the extended position and a deployed position are also provided. A lock-out latch rotationally connected to at least one carrier arm engages at least one associated frame arm to prevent translation of the carrier arm in relation to the associated frame arm when the step assembly is in the extended position.

The invention relates to a vehicle control method and device, a vehicle and a medium, and relates to the technical field of control. The control method comprises the steps that according to the first pedal opening degree of an accelerator pedal of the vehicle, the acceleration intention of a driver of the vehicle is determined; according to the acceleration intention and the running speed of the vehicle corresponding to the first pedal opening degree, a correction coefficient corresponding to the first pedal opening degree is determined; determining a second pedal opening degree according to the correction coefficient and the first pedal opening degree; and performing acceleration control on the vehicle according to the second pedal opening degree. According to the technical scheme, the energy utilization rate of the vehicle can be increased.

The invention relates to a pedal assembly and a vehicle. The pedal assembly comprises a pedal support used for being connected with a chassis of the vehicle; the pedal outer edge is connected with the pedal bracket; the movable pedal is movably mounted on the outer edge of the pedal; the adjusting mechanism is connected with the pedal outer edge and the movable pedal and used for driving the movable pedal to move or rotate relative to the pedal outer edge so as to adjust the posture of the movable pedal. According to the pedal assembly, the adjusting mechanism can drive the movable pedal to move or rotate relative to the outer edge of the pedal so as to adjust the posture of the movable pedal, so that the pedal assembly has the pedal function for people to get on and off a vehicle, and the driving posture of the vehicle can be adjusted by adjusting the posture of the movable pedal; a special posture adjusting device does not need to be additionally and independently arranged, so that the occupied vehicle installation space is effectively reduced, integration of the pedal function and the posture adjusting function is achieved, and the practicability and adaptability of the vehicle in the complex driving environment are improved.

A pedal unit for controlling a vehicle function includes a pedal head, which receives an actuating force of a driver's foot, an outer housing which is open in the direction of the pedal head, an inner housing connected to the outer housing and which is open in the direction of the pedal head, a movable housing, and a sensor assembly. The movable housing is closed in the direction of the pedal head, arranged between the outer housing and the inner housing, mounted on the inner housing displaceably in the longitudinal extension of the inner housing with a small stroke against the force of a return spring, and is connected to the pedal head. The sensor assembly includes at least one measuring circuit having at least one sensor module arranged inside a sensor housing to detect a stroke movement of the movable housing caused by the actuating force.

The invention provides a vehicle slope sliding dynamic control method and system based on multiple modes. The method comprises the steps that running state parameters of a vehicle are obtained in real time, wherein the running state parameters comprise the actual rotating speed of a motor, the actual torque of the motor, gear information, the opening degree of an accelerator pedal, the opening degree of a brake pedal and vehicle fault information; on the basis of the running state parameters, the ramp sliding state of the vehicle is determined; according to the ramp sliding state, a parking control mode of the vehicle is dynamically selected, and the instantaneous motor actual torque of the vehicle at the corresponding moment is obtained and stored when the parking control mode is switched; and on the basis of the parking control mode, the actual torque of the motor, the vehicle load and operation of a driver, a motor control instruction used for adjusting the target torque of the motor or used for controlling and releasing the parking action is generated, so that anti-slip control in the vehicle starting process is achieved.

The invention discloses a vehicle braking energy recovery method and device, a vehicle and a storage medium. The method comprises the steps that under the condition that a current vehicle is in a braking mode, the real-time acceleration and the brake pedal depth of the current vehicle are obtained; determining a target deceleration of the current vehicle based on the brake pedal depth; calculating the total required braking force of the current vehicle based on the target deceleration and the real-time acceleration; the maximum value of regenerative braking force of the current vehicle is determined, and the upper limit of the regenerative braking force is obtained; determining a target regenerative braking force based on the total demand braking force and a regenerative braking force upper limit; and the motor output torque of the current vehicle is determined according to the target regenerative braking force, and braking energy recovery is conducted based on the motor output torque. According to the technical scheme, the braking energy recovery efficiency of the vehicle is improved.

The utility model discloses a flatcar station adjusting auxiliary device, which belongs to the technical field of station auxiliary devices and comprises a pedal plate detachably mounted on a flatcar vehicle-mounted fixed pedal plate and an extending handrail detachably mounted on a flatcar handrail frame. A concave clamping groove used for clamping a horizontal steel plate on the outermost side of a flatcar vehicle-mounted fixed pedal is formed in the bottom face of the pedal, and an L-shaped clamping groove used for clamping a horizontal steel plate on the secondary outer side of the flatcar vehicle-mounted fixed pedal is formed in the front end of the pedal. The extending handrail comprises a supporting rod, a handrail ring arranged on the top of the supporting rod and a connecting assembly which is connected with the supporting rod and used for being detachably connected with the flat car handrail frame. The utility model can effectively solve the problem of potential safety hazard caused by poor standing position of railway shunting personnel at the box step at the front end of the flatcar.

The invention discloses a braking energy distribution method and system based on braking noise prediction and electronic equipment. The method comprises the steps that braking noise time sequence data, vehicle speed time sequence data, hydraulic braking torque time sequence data and pedal travel time sequence data of a current vehicle are obtained; inputting the braking noise time sequence data, the hydraulic braking torque time sequence data and the pedal travel time sequence data into a pre-trained braking noise prediction model to obtain a braking noise prediction value of the current vehicle after a preset time step; determining a corresponding braking noise threshold value according to the current working condition and the current driving mode of the current vehicle; and when the braking noise prediction value is larger than the braking noise threshold value, the braking energy distribution proportion is adjusted, so that the energy recovery torque is increased, and the hydraulic braking torque is reduced. According to the method, the braking noise of the vehicle is maintained below the threshold value through dynamic distribution of the braking energy, interference to users in the vehicle is avoided, the driving comfort of the vehicle is improved, and the method can be applied to the technical field of vehicle control.

A refuse vehicle includes a motor, a battery, a pedal, and processing circuitry. The motor consumes electrical energy transport the refuse vehicle, or is back-driven to generate electrical energy and provide regenerative braking. The processing circuitry obtains an amount of depression from the pedal, and compares the amount of depression to a transition point. In response to the amount of depression of the pedal exceeding the transition point, the processing circuitry uses a linear relationship and the amount of depression to operate the motor to provide a requested amount of acceleration for transportation. In response to the amount of depression of the pedal being less than the transition point, the processing circuitry uses a non-linear relationship and the amount of depression of the pedal to operate the motor to provide a requested amount of regenerative braking.

The invention discloses a brake pedal verification method, device and equipment based on a two-way pedal and a storage medium, relates to the technical field of vehicle brake control, and discloses the brake pedal verification method based on the two-way pedal. Comprising the steps that a brake lamp switch signal, an allowable deviation threshold value and a first sensor signal and a second sensor signal of a two-way pedal position sensor are obtained; performing processing according to the first sensor signal and the second sensor signal to obtain a target deviation value, and performing consistency analysis according to the target deviation value and the allowable deviation threshold to obtain a consistency analysis result; performing fault tracing on the consistency analysis result according to the brake lamp switch signal to obtain a fault positioning result; and fault isolation is carried out based on the fault positioning result, so that brake pedal verification based on the two-way pedal is completed. The technical effect of guaranteeing the signal reliability of the two-way pedal position sensor and the function continuity of the braking system is achieved.

The invention relates to the technical field of piano pedal control, in particular to a pedal control method and system, the method is applied to a pedal system, the pedal system comprises an external unit and an additional unit, the external unit comprises an external pedal module, and the additional unit comprises a pedal driving module. The treading driving module is used for treading corresponding piano pedals according to the treading data; the external unit comprises a first external unit; correspondingly, the method comprises the following steps: acquiring a first external data source through a first external unit; generating a first analog signal according to the first external data source by adopting a first screening rule; the method comprises the steps that whether a pedal value is larger than a preset first treading threshold value or not is judged; if yes, identifying the pedal value as a to-be-simulated data source; generating a first analog signal according to the to-be-simulated data source; the first analog signal is transmitted to a treading driving module, and the treading driving module responds to the first analog signal to drive a piano pedal. According to the invention, the efficiency of practicing the pedaling technology by the user can be greatly improved.

An electric vehicle includes a frame, at least one front wheel and at least one rear wheel coupled to the frame, one or more pedals coupled to the frame and configured for a user's engagement via pedaling, and a controller configured to output one or more driving signals in response to the pedaling of the one or more pedals. The electric vehicle also includes a first motor coupled to and configured to drive one of the front and rear wheels, and a first driver coupled with the first motor and configured to adjust the output to the first motor in response to the one or more driving signals.

The invention belongs to the technical field of vehicles, and particularly relates to an ABS function trigger control method and device, a vehicle and a medium. The method comprises the following steps: calculating a wheel slip rate; determining driver intention according to the hydraulic sensor signal, the brake pedal sensor signal and the accelerator pedal sensor signal, wherein the driver intention comprises emergency braking, conventional braking, sliding and acceleration; the road bumping state is determined according to the wheel slip rate, the vehicle vertical acceleration and the suspension displacement; according to the intention of the driver and the road bumping state, the triggering condition of the ABS function is determined; and determining whether the triggering condition of the ABS function is met or not according to the wheel slip rate. By judging the intention of the driver and the road bumping state and adjusting the triggering condition of the ABS function in real time according to the intention of the driver and the road bumping state, false triggering of the ABS function when the vehicle passes through the bumping road is avoided.

The ladder safety device may comprise a top cap cover and a top step guard. The ladder safety device may be a safety device configured for use on a step ladder. The top cap cover may be operable to cover a top cap of the step ladder and may be adapted to prevent a worker from stepping onto the top cap. The top step guard may be operable to block access to a top step of the step ladder and may be adapted to prevent the worker from stepping onto the top step. The top cap cover may be configured to hold tools and supplies. The top cap cover and the top step guard may be retained on the step ladder by a plurality of straps.

The invention relates to a pedal unit (7) for controlling a vehicle function, comprising a modularly constructed pedal head (10) which comprises a pad carrier (14) and a replaceable pedal pad (12) detachably connected to the pad carrier (14) for absorbing an actuating force of a driver's foot, a housing cover (17) which is movable with a small stroke along a vertical direction (z) of the pedal unit (7), and a fastening arrangement (20), wherein the movable housing cover (17) has a hat-shaped connecting cap (18) on its end face facing the pedal head (10), and the pad carrier (14) has a receiving opening (16) on its end face facing the movable housing cover (17), the contour of which receiving opening being adapted to the hat-shaped connecting cap (18), wherein the fastening arrangement (20) comprises at least one undercut (19) introduced into the hat-shaped connecting cap (18) and at least one holding element (22) arranged on the pad carrier (14). has,which are designed to form a detachable locking connection between the lining carrier (14) and the movable housing cover (7) in the assembled state, which prevents or at least complicates a movement of the lining carrier (14) in the disassembly direction.

A movable pedal, an electric pedal apparatus and a pedal system are disclosed. The movable pedal is applied to a vehicle, and includes a pedal body. A first surface is provided on an upper side of the pedal body, and the first surface is configured for being trampled by drivers and passengers. A mounting slot is formed in an approaching side of the pedal body, and a notch of the mounting slot faces the vehicle. A drive device can be connected to the pedal body through the mounting slot in a blind assembly, and the drive device can drive the pedal body to switch between an unfolded state and a retracted state.

The invention relates to the technical field of AMT gearbox control, in particular to an AMT gearbox control method, system and equipment in a braking state and a medium, and the method comprises the steps that when a vehicle is in a braking deceleration state, the stepping duration of a brake pedal, the actual vehicle speed, the actual acceleration of the vehicle and the rotating speed of an engine are obtained; whether the braking intention of the driver is emergency braking or stable braking is judged based on the stepping duration of the brake pedal and the actual acceleration of the vehicle; and based on the braking intention, the gear of the AMT gearbox and the separation state of a clutch are controlled till braking is finished. Wherein the current gear is maintained during emergency braking, and a clutch is controlled to be separated according to an engine rotating speed threshold value; during stable braking, after the rotating speed of the engine meets the condition, whether downshift is conducted or not is judged according to the actual vehicle speed, and a clutch is controlled to be separated. The brake intention of a driver can be accurately recognized, differential control is executed, and therefore the brake efficiency is effectively improved, engine flameout is prevented, and the driving smoothness is improved.

The utility model discloses a treading detection device of a telescopic pedal. The treading detection device comprises a rack, a slide rail, a slide block, a driven arm fixing support, a driving arm fixing support, a treading test assembly and an anti-pinch test assembly. The machine frame is vertically arranged, the upper surface of the machine frame is a horizontally-arranged working table top, and a plurality of sliding rails are arranged on the machine frame. The bottoms of the treading test assembly and the anti-pinch test assembly are fixedly arranged on the sliding block, and the sliding block is arranged on the sliding rail in a sleeving mode and is in sliding connection with the sliding rail. A driven arm fixing support and a driving arm fixing support are arranged on the left side and the right side of the working table respectively. The driven arm fixing support and the driving arm fixing support are used for fixing the left end and the right end of the pedal and driving the pedal to stretch out and draw back. The treading detection device of the telescopic pedal is simple and reasonable in design and stable and reliable in operation; the telescopic performance of the pedal can be quickly and efficiently detected; and an anti-pinch test can be carried out.

A heel backer shaper comprises a case, a last-compressing ironing base, a last rotation mechanism, a shaping wheel, an automatic selector switch, and a footboard. One side of the upper half of the case is not closed. The last rotation mechanism is disposed on the upper half of the case. The last rotation mechanism comprises a cylinder and a rotary table; the rotary table is disposed at the top of the cylinder; the last-compressing ironing base is disposed on the top inner wall of the case and right faces the rotary table. During heel shaping, the heel backer shaper can adjust the operating performances, such as the position of the shaping wheel on a backer, knocking force, ironing temperature and delay time, according to the quality conditions of a shoe so as to acquire optimal shaping effect; during normal working, the heel backer shaper can operate in an automatic manner; an electrothermal plate on the last-compressing ironing base is controlled via a three-compartment closed-loop controlled silicon voltage regulator, temperature control precision is greatly improved, a temperature difference can be controlled within a 10 DEG C range, and the plane of the shaped backer is flat, with clear edge and smooth wrinkle-free surface.

A motor vehicle includes a tailgate, a deployable step assembly movable between a stowed position and a deployed position relative to an inner cavity of the tailgate, and a support assembly within the inner cavity. The support assembly is directly attached to the deployable step assembly.

A pedal touch anomaly notification system for a vehicle is provided. The system includes the vehicle itself, and at least one sensor configured to capture information about the position or orientation of the driver's foot relative to a control pedal of the vehicle. A processor uses the captured information, as well as a database containing baseline information and variance information about expected positions or orientations of the driver's foot relative to the control pedal. Based on the captured information, the processor determines the position or orientation of the foot of the driver relative to the control pedal, and compares the determined position or orientation to the baseline information and variance information. If the position or orientation fall outside the variance information, the processor generates a driver alert.

The invention relates to a vehicle braking control method and device, computer equipment and a storage medium. The method comprises the steps that in response to a braking instruction of a vehicle, target braking deceleration of the vehicle is determined according to braking pedal information and driving mode information of the vehicle; determining a target braking force and a target braking torque of the vehicle according to the target braking deceleration, the whole vehicle mass and the wheel rolling radius of the vehicle; under the condition that the target braking deceleration is larger than a preset deceleration threshold value, the mechanical braking torque of the vehicle is determined according to the target braking torque and the energy recovery torque; according to the real-time acceleration of the vehicle, the wheel static load is corrected, and the wheel dynamic load of the vehicle is obtained; according to the mechanical braking torque and the wheel dynamic load, the mechanical braking force of each wheel of the vehicle is determined; the mechanical braking force is used for controlling the vehicle to conduct mechanical braking, and the braking effect of the vehicle is improved.

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle, an outer rim surrounding the inner rim, and gas springs operatively coupled between the inner and outer rims to provide a gas suspension for relative movement between the inner and outer rims. The wheel assembly may also include tread assemblies carried by the outer rim. Fastener assemblies may be configured to perform fastening at least one tread assembly to the outer rim, fastening each gas spring to the outer rim, or fastening each gas spring to the outer rim. Each fastener assembly may include a fastener, and a pair of indicator-lock washers carried by the fastener. Each indicator-lock washer may have respective sloped surfaces slidably engaging one another to permit relative rotation so that loosening from a fully tightened position exposes a gap therebetween.

The invention relates to a pedal arrangement (1) for a vehicle, comprising at least one pedal unit (10) for controlling a vehicle function, which comprises a pedal head (12) movable with a small stroke along a vertical direction (z) of the at least one pedal unit (10) for absorbing an actuating force (FB) of a driver's foot, and at least one spring-elastic bending holder (30) which is arranged between the at least one pedal unit (10) and a body (3) of the vehicle and is designed to fix the at least one pedal unit (10) to the body (3) of the vehicle and, when the pedal unit (10) is actuated, to provide an additional stroke (H) along the vertical direction (z) of the pedal unit (10) and thereby change a haptic feedback to the driver's foot.

A brake system and method for controlling a braking system comprises transmitting pedal-sensor data to a brake control unit, calculating preprocessing data with the brake control unit, transmitting the preprocessing data to a vehicle controller, calculating control information for at least one electromechanical wheel brake from the preprocessing data in the vehicle controller, and transmitting the control information for the electromechanical wheel brake to a brake control unit. The at least one brake control unit determines whether the control information received from the vehicle controller falls below a safety threshold before forwarding the control information to the at least one electromechanical wheel brake, and, overwrites the control information before forwarding to the at least one electromechanical wheel brake when the control information is below the safety threshold.

A step device and a vehicle are provided. The step device includes a first step assembly. The first step assembly includes a step body, a stepping-on support member, and a fastener. The step body includes a first connection part. The stepping-on support member is provided on the step body. The stepping-on support member is provided on the first connection part of a second connection part. The position of the stepping-on support member is adjustable along the length direction of the step body. The fastener is detachably connected to the first connection part and the second connection part to secure the stepping-on support member to the step body.