1030 results about "Tractor trailer" patented technology

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 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.

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 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.

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.

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.

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.

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.

A method and system for providing maximum trailer braking during a high pressure demand, such as during autonomous emergency braking (AEB), for tractor-trailers is provided. The system can include a brake controller of the trailer that uses only tractor anti-lock brake system (ABS) data from the tractor wheels, without using any trailer ABS information, to estimate the surface friction and generate a high or low pressure command to be sent to the trailer based on only the tractor ABS data. The estimation of surface friction may be accomplished using the ABS information from the tractor and the pressure being demanded to determine a percent reduction of pressure requested by the tractor that may be compared to a threshold percentage to differentiate between high and low mu surfaces in real time.

The invention relates to the technical field of intelligent traffic simulation and heavy vehicle cooperative control, and discloses an intelligent cooperative control simulation verification system for a tractor or a trailer, which comprises three modules and four modules: a three-dimensional environment modeling module based on multi-source data fusion and hierarchical modeling and combined with a timing and event double-trigger mechanism to update dynamic obstacles; the cooperative motion control module integrates Bezier trajectory planning, a geodesic theoretical dynamics coupling model and triangular collision detection, and realizes vehicle-towing cooperation and risk early warning. The visual simulation interaction module constructs a multi-window view based on OpenGL / Unity 3D, and simulates light and shadow and friction characteristics in combination with material attributes; the result verification module outputs a conclusion based on the quantitative index and the qualitative report. According to the system, the goodness of fit between a simulation environment and a real scene is remarkably improved, the collision early warning response is less than or equal to 100ms, more than 80% of roll-on-roll-off ship scenes can be covered, the entity test cost is reduced by 60%, and a high-fidelity verification tool is provided for vehicle-tow intelligent cooperation.

Provided herein is an apparatus, system, and method for reducing a power drawn by a winch as it pulls a vehicle. Methods can include: receiving an indication to operate a vehicle in a winch mode; detecting movement of the vehicle caused by a force from a winch of the vehicle; determining of a speed of movement of the vehicle caused by the force from the winch pulling the vehicle; and providing for control of at least one driven wheel of the vehicle to rotate at a speed corresponding to the speed of movement of the vehicle within a predefined degree of similarity. According to some embodiments the speed of movement of the vehicle is determined based at least in part on a speed of rotation of at least one wheel not being driven by the powertrain of the vehicle.

Devices are for compensating for the roll of a fifth-wheel coupling, such as on a prime mover towing a semi-trailer. An automated compensation system for a fifth-wheel coupling mounted on a towing vehicle unit includes a first pivoting support to support one lateral side of the fifth-wheel coupling; a second pivoting support to support an opposite lateral side of the fifth-wheel coupling; an actuator configured to cause movement of the first and second pivoting supports; a sensor to sense a parameter relevant to determining whether roll compensation is required for the vehicle; a controller configured to receive a sensor output of the sensor and to determine whether roll compensation is required based on the sensor output, the controller being further configured to issue a control signal to cause the actuator to move the first and second pivoting supports when the controller determines that roll compensation is required.

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.

A modular tow link for linking two golf carts includes a bracket assembly including a tow bracket, towed bracket, and bar link. The tow bracket mounts to a front tow hitch of a tow cart, the towed bracket mounts to a front tow hitch of a towed cart, and the bar link couples between the tow bracket and towed bracket to couple the same. The bar link may be vertically pivotable and laterally restrained at the respective bar couplings. The tow link may also include a steering lock including a steer bar having a first end and a second end configured to couple between the towed bracket and a steering control link of the towed cart to lock a front wheel orientation of the towed cart relative to the towed bracket. The steer bar may be provided with a selectively adjustable length.

The invention discloses an energy-saving type aircraft tractor intelligent driving control system, and relates to the technical field of vehicle driving control, an electric control clutch is connected in series between a transfer case and a rear axle, a controller unifies mechanical capacity, thermal capacity and synchronous bandwidth as permission functions, and permissible four-wheel drive is output; the pedal change rate and the motor torque are mapped into intention intensity, the two-drive slipping critical torque is estimated, a four-drive request / two-drive keeping is generated in combination with steering consistency and task intensity, and the four-drive request / two-drive keeping is submitted only when permission is established; arbitrating by using a state machine with manual priority, setting an entry / exit threshold value and de-jittering, and executing and coding back-off according to a pre-synchronization and torque law containing heat / speed difference suppression; actual energy and a constant four-wheel drive base line are metered in a fixed window, the duty and switching are counted, the energy / heat / smoothness composite cost is constructed, and weighted write-back is carried out on threshold projection. And safe connection is achieved, impact overheating is restrained, the duty energy consumption is reduced, and parameter consistency and migration are improved.

A safety system for a towing vehicle and a towed object including a towing vehicle coupling, a towed vehicle connection point that is engageable with the towing vehicle coupling, a coupling lock that is movable between a locked and unlocked positions, a lock sensor that is operative to detect whether the coupling lock is in the locked or unlocked position, a brake system that is moveable between a brake system engaged position and a brake system disengaged position, a controller, wherein the controller is in operative connection with the lock sensor and the brake system, and wherein the controller is operative to receive signals from the lock sensor, wherein in response to a signal from the lock sensor indicating the coupling lock is in the locked position, the controller is operative to enable the brake system to be in the disengaged position through manipulation of manual parking brake valve.

A single axle tow dolly is provided herein. The tow dolly contains a frame, a pair of wheels coupled to the frame and a set of hydraulic cylinders which are connected to the wheels. Each of the hydraulic cylinders can be connected to one of the wheels such that its operation functions to lower the frame to a ground level position and subsequently to raise the frame to a position above the ground for easy pulling. The hydraulic cylinders can operate to lower a platform of the dolly to a position which can more readily load a vehicle or cargo thereon. Thereafter, the hydraulic cylinders can raise the platform to an elevated level plane which is above the ground. The dolly can also contain wheel locks for a vehicle to be secured in place for towing. Further the dolly can have any of a pivoting tow section and a ramp for loading vehicles such as motorcycles.

The invention provides a self-adaptive energy-saving control method, device, equipment, system and vehicle, and relates to the technical field of vehicle control. The method comprises the steps that if the new energy vehicle is in a parking mode, the trailer connection state of a tractor is detected; if the tractor is connected with the trailer, a gas circuit electromagnetic valve arranged on a main gas circuit pipeline between the tractor and the trailer is controlled to be opened, and a blast pump is started to charge the pressure of a trailer gas storage cylinder on the tractor to a preset initial pressure maintaining threshold value; after the preset initial pressure maintaining threshold value is reached, the inflation pump is controlled to stop working, pressure monitoring is conducted on the trailer air cylinder, and the monitored pressure value of the trailer air cylinder is obtained; determining the leakage level of the trailer brake circuit according to the monitored pressure value; and according to the leakage grade, the air path electromagnetic valve and the blast pump are correspondingly controlled. The air pump can be prevented from being frequently awakened in the parking process, energy consumption and noise are reduced, the driving range of the whole vehicle is increased, rest comfort is improved, and the service life of the air pump is prolonged.

A method of providing views in a camera monitor system (CMS) for a vehicle including a tractor and a trailer includes receiving first and second captured images from first and second cameras that respectively provide first and second fields of view alongside a left side and a right side of the vehicle, the first and second fields of view are other than legally prescribed narrow- or wide-angle views that include the trailer, receiving a third captured image from a centrally located vehicle camera to provide a third field of view in a central blind spot of the vehicle, and simultaneously depicting the first, second and third captured images as discrete, unstitched images on at least one display.

The present disclosure provides a towing system for controlling the operation of a towed vehicle through the towing vehicle, where the towing vehicle comprises an assembly of a control lever, an e-pedal, and a dashboard screen, wherein the control lever is pulled backwards to generate and collect energy from the towed vehicle into a battery and control lever is pushed forward to use such energy to selectively propels the towing vehicle forward to gain momentum thus easing the load on the engine of the towing vehicle.

This invention discloses a three-point tractor with full suspension and all-wheel braking system, aiming to provide a system that improves the overall driving comfort of the three-point tractor to meet higher customer demands. It includes: a steering bracket assembly mounted on a slewing bearing of the chassis; a front wheel mounting bracket rotatably mounted on the steering bracket assembly via a pin; a front wheel damping system including a front wheel shock absorber connecting the front wheel mounting bracket and the steering bracket assembly; and a rear wheel damping system including a rubber spring and a damper mounted on the chassis. The chassis is supported on the drive axle housing by the rubber spring, and the drive axle housing has a damper connection part connected to the damper via drive axle fixing bolts.

The utility model belongs to the technical field of pipeline repair, and particularly relates to a natural light irradiation curing device for trenchless pipeline repair, which comprises a light guide pipe, a light condensing pipe fixedly mounted at one end of the light guide pipe, a first light beam connector fixedly mounted at one end of the light condensing pipe, and an optical cable winch arranged on one side of the first light beam connector. A motor is fixedly installed on one side of the optical cable winch, a winding roller is arranged on the inner side of the optical cable winch, an optical cable is arranged on the winding roller, a tractor is arranged on one side of the optical cable winch, a second light beam connector is fixedly installed on the top of the tractor, and a second convex lens is arranged at one end of the second light beam connector. The fixed rod, the movable rod, the movable groove, the compression spring, the inner rod, the supporting base and the supporting pulley are arranged and used in cooperation, the supporting base and the supporting pulley can support the top of a pipeline by adjusting the movable inner rod in a lifting mode, the stability of a tractor in the moving process is conveniently improved, and the interior of the pipeline can be better repaired conveniently.

1. Name of the product in this design: Single pendulum traction seat. 2. Purpose of this design: For the traction connection between the tractor and the drilling rig base equipment during the relocation of the oilfield drilling rig derrick. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to the technical field of casting equipment, and particularly discloses a molding sand treatment device for casting a tractor saddle support, which comprises a rack, a coarse sieve plate is arranged at the upper part of the rack, a screening mechanism and a cleaning mechanism are further arranged on the rack, the screening mechanism comprises a fine sieve plate, a crushing plate and an adsorption assembly, and the fine sieve plate is obliquely arranged below the coarse sieve plate; the crushing plate is obliquely suspended above the fine screen plate, a wedge-shaped crushing gap is formed between the crushing plate and the fine screen plate, the caking molding sand can be rubbed and crushed through reciprocating movement of the crushing plate, the adsorption assembly comprises a plurality of magnetic mounting plates arranged below the fine screen plate, and the cleaning mechanism comprises a scraper blade and a collecting box. The collecting box can push the vertically drooping mounting plate to turn over to a cleaning state, the scraping plate scrapes and sweeps the surface of the turned mounting plate, and the collecting box moves along with the scraping plate and collects scraped scrap iron; according to the invention, screening, crushing and iron removal operations in a non-stop state are realized, and the production efficiency is greatly improved.

A lift axle system which selectively lowers (and raises) an axle. When wheels of the lift axle system are lowered to the ground, the wheels effectively work to reduce the load supported by the original axles. A percentage of the weight of the rear of the towable vehicle is transferred to the attachment point to its tractor, that is, to the front of the towable vehicle. This helps to better balance the load, making the vehicle more stable on the road. The lift axle system is easy to operate and extends the life of the base system.

This invention discloses a braking strategy control system for electric tractor-trailers, comprising a human-vehicle-road integrated information acquisition module, a characterization factor calculation module, an electric tractor-trailer required braking torque calculation module, and a braking strategy determination module. The purpose of this invention is to control the braking strategy of the electric tractor-trailer during operation through these modules.

This invention discloses a method and system for detecting the angle between a tractor and trailer based on a dual-antenna combined inertial navigation system, applicable to vehicle systems. The method includes: acquiring the position difference vector between the main and auxiliary antennas using a dual-antenna GNSS system on the tractor; calculating the first coarse heading angle of the tractor; and then fusing IMU data and filtering it to obtain a high-precision first heading angle. The roll and pitch angles are calculated using accelerometer data from the trailer's IMU, and tilt compensation is performed on the magnetometer data to obtain the second heading angle of the trailer. Furthermore, the heading and lane curvature data from the tractor can be combined to dynamically compensate and correct the trailer's heading online. The difference between the first and second heading angles is calculated in real time to obtain the angle between them. This invention can maintain heading output using IMU and wheel speed data even when GNSS signals fail, and ensure trailer heading accuracy through dynamic compensation, thereby achieving stable and high-precision tractor-trailer angle measurement.