1632 results about "Tractor trailer" patented technology

A system is operable for controlling a force applied on a trailer being towed by a vehicle is described to a desired force Fd. The trailer has brakes and an optional motor for providing a propelling force to the trailer. A force sensor senses fore-aft forces between the vehicle and trailer at all times while the trailer is being towed. A controller receives signals from the force sensor and is operatively connected to the trailer brakes and the motor. The system controls the force between a towing vehicle and a trailer to the desired force Fd, by any one of: (a) operating the brakes to apply a braking force to the trailer; (b) activating the motor to apply a propelling force to the trailer; and (c) operating the brakes and activating the motor to apply both a braking and a propelling force to the trailer.

An automatic charging device is particularly suitable for automatically charging a heavy rail tractor, including a box body; a robotic arm, the robotic arm including a fixed arm and a retractable arm, the fixed arm is fitted in the box body, a driving screw assembly is fitted between the fixed arm and the retractable arm, and the retractable arm can be driven by the driving screw assembly to extend and retract relative to the fixed arm; a flexible unit; and a charging part, wherein the charging part is fitted to a retractable end of the retractable arm by means of the flexible unit, the charging part may be driven by the retractable arm to extend from the box body to implement charging, and after the charging is completed, the charging part may retract into the box body.

A method and system accurately identify vehicles during transit and may be used for tracking the vehicle. Images of discrete distinguishing characteristics of a vehicle, respectively, are captured at an unmanned monitoring station. The images are collectively analyzed to produce an individualistic identifier. The individualistic identifier is correlated with data representative of a particular vehicle stored as part of a database of vehicles. Accordingly, the particular vehicle present at the monitoring station can be identified so that the vehicle can be tracked. Furthermore, key assets of the vehicle, such as the tractor, chassis, and cargo box of a truck, can be identified during the process and by the system so that they can be tracked independently of one another.

The invention discloses a heavy truck autonomous following prediction control method considering sweeping collision avoidance and double reference trajectories, and the method comprises the following steps: building separated double reference trajectories about a front vehicle tractor and a front vehicle trailer based on the real-time state of a front vehicle in a heavy truck formation driving process, based on a ray method, establishing a dynamic prediction algorithm of any unexpected outline position of the heavy truck at any moment, and performing real-time sweeping collision avoidance double-track car following control on the heavy truck according to the separated double-reference track and the dynamic prediction algorithm of any unexpected outline position of the heavy truck at any moment; according to the method, core problems of trajectory tracking distortion, insufficient obstacle avoidance capability and the like in autonomous following of the heavy truck can be systematically solved through double-trajectory modeling, dynamic sweeping prediction and a multi-target optimization mechanism, theoretical innovation and engineering practicability are integrated, and a breakthrough solution is provided for safe and efficient formation control of the unmanned heavy truck.

The invention discloses an aluminum profile double-traction device, and relates to aluminum profile production and processing equipment. The first tractor and the second tractor are arranged on the same guide rail assembly in parallel; the guide roller assembly comprises a guide roller for bearing and conveying the aluminum profile; when the first tractor or the second tractor passes, the guide roller assembly swings downwards to prevent the guide roller from interfering with a clamp. Floating clamps are arranged on the first tractor and the second tractor, torque caused by guide roller retardation or initial stress of the aluminum profile is effectively absorbed and released through the floating clamps, torsional deformation in the horizontal plane is prevented, and the shape quality of the profile is ensured.

A modular structure supports elevated rail segments for delivering electrical power to a moving work machine, such as a hauler at a mining site. End portions of rail segments having narrower widths than body portions of the rail segments are joined within a split fishplate. Laterally opposing faces within the narrowed end portions form a longitudinal overlap, and connectors underneath the rail segments pull the split fishplate together against the end portions. In arrangements with parallel rails around a curvature, the rail segments are adjusted by sliding so that the longitudinal overlap is larger for rails on an inside of the curvature compared with rails on an outside of the curvature.

A relative angle detection device for a combination vehicle, the relative angle detection device being used in the combination vehicle in which a towing vehicle and a towed vehicle are connected by a towing-side connecting member and a towed-side connecting member. The relative angle detection device includes an imaging device that captures an image of one of the towing vehicle and the towed vehicle from the other, a radiation device that emits marker light to a position where the image is to be captured by the imaging device, and an image analysis device that analyzes the image captured by the imaging device to detect a relative angle of the towed vehicle with respect to the towing vehicle.

The invention relates to a dynamic boundary expansion method applied to an airport automatic driving tractor, and belongs to the technical field of intelligent transportation, and the method comprises the steps: initial point cloud map construction: generating an airport point cloud map through a laser radar SLAM technology; real-time sensing and comparison: registering the current point cloud with a locally cached airport point cloud map, and extracting a difference region based on a grid map; and dynamically updating the map: receiving the difference areas reported by the plurality of vehicles, and dynamically updating the airport point cloud map by the cloud server according to the updating strategy. According to the method, through innovative designs such as space-time dimension dual verification, multi-modal data fusion and hierarchical progressive updating, the sub-second-level response capability to the dynamic environment of the airport is realized while the centimeter-level positioning precision is ensured, and through a sliding time window and a confidence coefficient accumulation mechanism, the positioning accuracy is improved. And the problem of invalid obstacles possibly caused by a single sensing error is effectively solved.

The utility model discloses a fuel cell tractor, and relates to the technical field of vehicles. The fuel cell tractor comprises a frame, a cab and a hydrogen cylinder, the cab and the hydrogen cylinder are arranged above the frame, the hydrogen cylinder is arranged behind the cab, a driving system, a fuel cell engine and a power cell module are arranged at the bottom of the frame, the fuel cell engine, the power cell module and the driving system are electrically connected in sequence, and the hydrogen cylinder transmits hydrogen to the fuel cell engine. The fuel cell engine converts hydrogen into electric energy and transmits the electric energy to the power cell module, the power cell module transmits the electric energy to the driving system, a fuel cell cooling system is arranged above the hydrogen bottle, and the fuel cell cooling system dissipates heat of the fuel cell engine. The chassis layout of the fuel cell tractor can be simplified.

A method for controlling a vehicle train, having a towing vehicle and at least one trailer vehicle. The towing vehicle includes a continuous deceleration device for performing a continuous deceleration. The method includes the steps: determining a trailer mass of the trailer vehicle in the prevailing vehicle configuration of the vehicle train; determining a towing vehicle trailer mass of the towing vehicle in the prevailing vehicle configuration; determining a mass ratio of the prevailing vehicle configuration based on the trailer mass and the towing vehicle mass; and limiting a maximum permissible continuous deceleration power of the continuous deceleration device based on the mass ratio. A driver assistance system is configured to perform the method. A commercial vehicle includes the driver assistance system. A computer program product is configured to perform the method.

A braking system includes drive circuitry configured to communicate a brake signal from a towing vehicle to a towed vehicle connected to the towing vehicle, an output node configured to carry the brake signal, and a switch electrically interposing the drive circuitry and the output node. A current detector is in series with the switch and is configured to detect a current through the drive circuitry. The switch is configured to electrically connect and electrically disconnect the drive circuitry from the output node in response to the current.

The invention relates to the technical field of tractor power system fault diagnosis, and discloses a method and system for remotely diagnosing a power system fault of a tractor, and the method comprises the steps: monitoring a vibration signal, a sound signal and a temperature signal of a transmission gear of the tractor; extracting a frequency domain feature, a Mel frequency cepstrum coefficient feature and a temperature change trend feature of the vibration signal; carrying out weighted fusion on the signal features by adopting a dynamic weighting mechanism; constructing a fault prediction model based on an XGBoost algorithm, and outputting the gear wear degree and the fault occurrence time; and generating a fault early warning and transmitting the fault early warning to a mobile terminal APP and a cloud platform through an LTE or 5G network. Compared with a traditional fault diagnosis method in the prior art, particularly under the condition of dynamic working conditions, the technical problem that efficient and accurate fault diagnosis of the tractor power system is difficult to realize is solved, and the accuracy and response efficiency of fault diagnosis are improved by combining the convolutional neural network and the XGBoost algorithm.

The utility model relates to the technical field of plowing devices, in particular to a plowing device. The problem that the distance between rotary blades on an intertillage device in the prior art is difficult to adjust is solved, and the practicability of equipment is improved. The device structurally comprises a fixing frame, one end of the upper side of the fixing frame is connected with a tractor, the fixing frame is further rotationally connected with a rotating shaft, the rotating shaft is connected with a plurality of plowing wheels in a sliding mode, a plurality of cutting blades are fixed to the peripheries of the plowing wheels, and the fixing frame is further provided with a distance adjusting structure used for adjusting the distance between the plowing wheels. According to the utility model, the design that plowing wheels are directly and fixedly arranged on the rotating shaft in the prior art is replaced, so that the distance between the plowing wheels can be adjusted according to the actual soil condition and the variety of cultivated crops, the best cultivation effect of the soil can be achieved, the pressure between the blade and the soil is reduced, the working efficiency is improved, and the labor intensity of workers is reduced. And energy loss is reduced.

The invention discloses an unpowered device binding and positioning method and system based on the passive Internet of Things, and the method comprises the steps: receiving device identification information broadcasted by a plurality of passive tags through a positioning gateway installed on a tractor, and enabling the passive tags to be fixed to a dragged unpowered device; processing the equipment identification information based on a preset electromagnetic signal filtering rule, and generating a bound equipment list; generating a marshalling sequence list according to the signal intensity data of each passive tag in the binding equipment list; acquiring real-time position data of the tractor, wherein the real-time position data comprises latitude and longitude and azimuth angles; according to the marshalling sequence list, pre-stored equipment physical length data and the real-time position data, absolute position coordinates of all the unpowered equipment are solved through a space relation model. The technical problems of poor safety, high cost and insufficient marshalling positioning precision caused by dependence on battery power supply in the prior art are solved.

The invention discloses heavy-load and self-driven intelligent loading and unloading conveying equipment which comprises a base frame, a brake mechanism, a power roller way, a driving mechanism, a transmission mechanism and a traction structure. The base frame adopts a channel steel full-welded frame and is provided with universal wheels and rolling wheels; the power roller way consists of ten heavy-load main rollers and is connected with a driving motor and a speed reducer through a chain wheel-chain mechanism; the brake mechanism is linked with the mop structure, the protective tube protects the cable, and the position detection sensor and the band-type brake motor realize safety control; the automatic loading and unloading device can cooperate with a tractor to work, the requirement for automatic loading and unloading of goods of 7000 kg is met, the loading and unloading efficiency is improved by more than or equal to 40%, the problems that existing equipment is poor in mobility and large in potential safety hazard are solved, and the automatic loading and unloading device is suitable for small and medium-sized sites and unmanned transfer scenes.

A control device is applied to a combination vehicle including a tractor and a trailer that is towed by the tractor. The control device is configured to perform a state quantity acquisition process, a predicted trajectory information calculation process, and a display process. The state quantity acquisition process is a process of acquiring a state quantity of the combination vehicle. The predicted trajectory information calculation process is a process of calculating predicted trajectory information of the trailer according to the state quantity. The display process is a process of displaying the predicted trajectory information by operating a display device.

A method of autonomously maneuvering a vehicle using environment sensors comprises calculating first coordinate data based on information received from environment sensors mounted on a first portion of the vehicle; determining, based on the first coordinate data, a first target at a first location; determining a path to maneuver the vehicle to the first location; determining and transmitting commands to autonomously control the vehicle to maneuver to the first location; calculating second coordinate data based on information received from environment sensors mounted on a second portion of the vehicle; determining based on the second coordinate data, a second target at a second location, determining a path to maneuver the vehicle from the first location to the second location; and determining and transmitting commands to autonomously control the vehicle to maneuver from the first location to the second location. Suitably configured vehicles (e.g., tractor units) are also described.

The invention discloses a double-electric-drive-axle tractor torque distribution method and device and a storage medium, and belongs to the technical field of vehicle dynamics control. The method comprises the steps that the gear and speed ratio of an intermediate axle gearbox controller, the gear and speed ratio of a rear axle gearbox controller and the current accelerator pedal opening degree are obtained; acquiring a required motor torque according to the current accelerator pedal opening degree; when the gears of the intermediate axle gearbox controller and the rear axle gearbox controller are consistent, the required motor torque is averagely distributed to an intermediate axle motor and a rear axle motor; and when the gears of the intermediate axle gearbox controller and the rear axle gearbox controller are not consistent, the required motor torque is distributed to an intermediate axle motor and a rear axle motor based on the speed ratio of the intermediate axle gearbox controller and the rear axle gearbox controller. The technical problem that when double electric drive axles are adopted for driving in the prior art, wheels of a middle axle or a rear axle slip in the running process, and vehicle maneuverability and driving safety are affected can be solved.

The invention provides a mobile photovoltaic power generation energy storage device, which comprises a mobile assembly and a photovoltaic mechanism, and is characterized in that the mobile assembly comprises a traction trailer, a container body and an energy storage unit; wherein the container body is installed on the upper surface of the traction trailer, the energy storage unit is installed in the container body, the photovoltaic mechanism is installed on the outer side of the container body, and a plurality of longitudinal adjusting mechanisms and transverse adjusting mechanisms are installed on the outer side of the photovoltaic mechanism; the photovoltaic structure on the photovoltaic mechanism is driven by the transverse adjusting mechanism to perform transverse angle adjustment, so that the transverse angle of the photovoltaic structure is adjusted while the photovoltaic structure flatly laid on the surface of the container body is unfolded, and then the photovoltaic module on the photovoltaic mechanism is driven by the longitudinal adjusting mechanism to perform longitudinal angle adjustment. And therefore, the illumination receiving angle of the photovoltaic mechanism can be adjusted to the optimal state according to actual requirements, and the overall power generation efficiency can be improved.

A brake control apparatus is provided for a vehicle train having a tractor and one or more towed vehicles coupled to the tractor. The brake control apparatus comprises a tractor controller arranged to detect a pressure change in at least one brake line of the vehicle train in response to a brake trigger signal. The tractor controller is also arranged to process the detected pressure change to estimate a combination of the number of the towed vehicles and a total length of the number of towed vehicles coupled to the tractor.

A trailer control box may receive a wireless message from a controller of the tractor. The trailer control box may validate and authenticating the message. The trailer control box may control an emergency-brake valve based on the message when the message is an emergency-brake command. The trailer control box may control a service-brake valve based on the message when the message is a service-brake command. The trailer control box may control at least one switch to operate trailer lights based on the message when the message is a light command. In certain embodiments, autonomous-capable socket is mounted to a trailer and includes: a chamfered outer casing, a plurality of electrical connectors, a service-brake air aperture, and an emergency-brake air aperture. The autonomous-capable socket required a single autonomous connection by an autonomous tractor.

The invention discloses a low-cost unpowered plate trailer real-time positioning method and device, a storage medium and a computer program product, and the method comprises the steps: configuring a scanner at a tractor end, configuring a passive label at a plate trailer end, collecting a unique device ID periodically broadcasted by the passive label through the scanner, and determining the grade of the received RSSI value of the unique equipment ID through the scanner, and sending a traction signal to the plate trailer end based on the grade of the RSSI value. According to the invention, the trailer end is sensed based on the tractor head, so that high-cost-performance and high-availability positioning tracking of the power-free trailer is realized. According to the invention, the trailer end can be sensed based on the tractor end, and high-cost-performance and high-availability positioning and tracking of the power-free trailer can be realized.

The utility model discloses a mounting device, the mounting device comprises a mounting actuating mechanism and a base, the mounting device also comprises a base buffer assembly and a guide limiting assembly, the base is used for being arranged on a tractor through the base buffer assembly, so that the base can move on at least one degree of freedom, and the guide limiting assembly is arranged on the base. The guide limiting assembly is arranged on the base and defines a guide channel with an opening; the mounting executing mechanism comprises a mounting executing part, an executing part driving assembly and a sensing assembly, the mounting executing part is arranged on the base, and the sensing assembly is used for sending a first control signal to the executing part driving assembly under the condition that it is detected that a mounting matching part enters the guide channel through the opening and reaches a set mounting position; the execution part driving assembly is used for driving the mounting execution part to enter the guide channel under the condition that the first control signal is received. The utility model further provides a tractor comprising the mounting device and a material transportation system comprising the tractor.

An arrangement is for increasing the range of an electrically driven vehicle combination. The arrangement includes a power adaptation and charging control unit for bidirectionally transmitting voltage between a first high-voltage battery of a towing vehicle of the vehicle combination and a second high-voltage battery of a trailer of the vehicle combination.

A trailer comprises a trailer chassis, a trailer enclosure supported by the trailer chassis, a trailer hitching assembly coupled to the trailer chassis. The trailer hitching assembly comprises a trailer coupler, and a tethering sensor configured to sense in a direction toward a tethering nexus of a tow vehicle. The trailer further comprises a processing unit that uses sensing data sensed by the tethering sensor to autonomously control a physical tethering of the trailer coupler to the tethering nexus of the tow vehicle.

A power charging system for a towing vehicle and towed vehicle combination for transferring high charging power from a charging device in the towing vehicle to an energy storage device on the towed vehicle. The power charging system is capable of safely transferring at least 1 kW of charging power. The power charging system includes a controller and sensors operably coupled to the controller via a communication system for safely powering the system when needed to charge the energy storage device, and safely de-powering the system prior to disconnecting the high-power charging circuit between the towing vehicle and the energy storage device.

An autonomous vehicle can include a tractor; a trailer coupled with the tractor; a thermal sensor coupled with the trailer, the thermal sensor configured to measure a temperature of the trailer; and one or more processors. The processors can be configured to receive a plurality of temperature measurements of the trailer from the thermal sensor while the autonomous vehicle is driving; compare the plurality of temperature measurements to a condition; and automatically execute a trailer anomaly response protocol responsive to determining at least one of the plurality of temperature measurements satisfies the condition.

An apparatus is provided that has a trailer mounting bracket that carries a bending member, and a skirt attachment configured for being carried by a skirt of a tractor trailer. The bending member is received by the skirt attachment such that the bending member is configured to slide relative to the skirt. A locating feature that has a first member and a second member is present in which one of the first member and the second member is carried by the skirt attachment. The first member and the second member interact with one another to stabilize the position of the bending member relative to the skirt until a sufficient amount of force is applied to move the first member and the second member relative to one another to allow the bending member to slide relative to the skirt.

Visual trailer tracking for vehicle-trailer angle estimation is performed by: receiving image data from cameras positioned on a tow vehicle and rearwardly facing to capture a rearward environment of the tow vehicle that includes a connected trailer; detecting a representation of the trailer in the received image data from each of the cameras; based upon the trailer representation in the image data from each camera, selecting at least one camera from the plurality of cameras; detecting a feature of the trailer representation and a location of the trailer representation feature in the image data from the selected at least one camera; estimating a distance associated with the detected feature of the trailer representation; determining a trailer dimension based upon the estimated distance of the detected feature; and initiating a trailer-assist operation for the tow vehicle based upon the determined trailer dimension.