87results about "Tractor-trailer combinations" patented technology

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 relates to a fifth wheel system including a plate and a coupling system with a guide device, and a coupling arm, wherein the guide device is attached to the plate and defines a guide path which extends essentially elliptical around a central axis, wherein the coupling arm has a first end portion which is slidably arranged along the guide path at the guide device and secured against movements perpendicular to the guide path, wherein the coupling arm extends along a coupling axis and includes a second end portion at which a connector is attached, and wherein the connector is configured to be connected to a mating connecting system of a trailer.

The goal is to reduce the load acting on the vehicle from each device while ensuring that each device works in proper coordination. [Solution] The work machine comprises a plurality of traveling vehicles, a work device supported by any of the plurality of traveling vehicles and performing work, an auxiliary device supported by any of the plurality of traveling vehicles and assisting the work of the work device, and a power supply device supported by any of the plurality of traveling vehicles and supplying power to at least one of the work device and the auxiliary device, wherein at least two of the work device, the auxiliary device and the power supply device are each supported by different traveling vehicles.

The utility model relates to the technical field of vehicle, specifically disclose saddle adjusting system and semitrailer tractor, this saddle adjusting system includes saddle subassembly, drive subassembly and locking subassembly, saddle subassembly includes base and along the saddle of sliding fit of first horizontal direction with base, base is fixed with the frame of tractor, and saddle connects semitrailer, drive subassembly includes first two -way air cylinder, and the first fixed department of first two -way air cylinder is fixedly connected with base, and the first telescopic part of first two -way air cylinder is fixedly connected with saddle, and the telescopic direction of first telescopic part sets up along first horizontal direction, and the gas supply of tractor supplies gas to first two -way air cylinder, locking subassembly has first state and second state, in first state, the relative fixation of saddle and base, in second state, saddle and base sliding fit. The gas supply of tractor supplies gas to first two -way air cylinder, and then make first two -way air cylinder drive saddle move to the direction of far away or far away tractor, to realize the interval adjustment between tractor and semitrailer.

Device (12) for inductive energy transfer between a traction battery (10) and an electric motor (8) of a semi-trailer truck (2) with a tractor unit (4) and with a semi-trailer (6), wherein the tractor unit (4) has the traction battery (10) or the electric motor (8), comprising - a kingpin (14) formed by means of a ferromagnetic first core (22) which is provided with a first transformer winding (24), and - a fifth wheel coupling (18) with a seat (20) for the kingpin (14), wherein the fifth wheel coupling (18) has a ferromagnetic second core (30) with a second transformer winding (32), - wherein the ferromagnetic first core (22) is I-shaped and the ferromagnetic second core (30) is U-shaped, - wherein its U-shaped legs (34) face the seat (20) of the fifth wheel coupling (18), so that when the kingpin (14) is received in the seat (20) a transformer core is formed by means of the ferromagnetic first core (22) and by means of the ferromagnetic second core (30), and - wherein the second core (30) is curved inwards on its U-shaped legs (34) at the free end.

The utility model relates to the technical field of semitrailer, disclose a goose head spare tire fixing structure for semitrailer, including base, the base front end face center department is equipped with square groove, the square groove inside center leans on the upper and lower department and is equipped with limiting device evenly, the limiting device includes clamping assembly, adjusting assembly and fixed component, the clamping assembly includes first fixed block, first fixed block one side wall department is equipped with first clamping block, the first clamping block upper end face center leans on one end part department and is equipped with recess, the recess inside center leans on the upper department and is equipped with the rotating rod, the rotating rod outside department fixedly connected with connecting block, the connecting block one end part department is equipped with second clamping block, second clamping block one side department is equipped with second fixed block, second fixed block one side center department is equipped with spring. In the utility model, through limiting device makes it realized the secondary clamping to the spare tire to improve its fixed reliability.

The application discloses a water diversion channel drag chain type maintenance system and a maintenance method thereof, and the system comprises a drag chain vehicle system, a support fixing assembly and a maintenance assembly; the drag chain vehicle system provides driving force when traveling along the wall surface of the water diversion channel; the support fixing assembly comprises a diagonal support assembly and a horizontal support assembly which are hinged to the drag chain vehicle system, the end of the diagonal support assembly abuts against the inner wall surface on the opposite side when the diagonal support assembly is unfolded, and the horizontal support assembly is hung below the diagonal support assembly; the maintenance assembly comprises a slewing assembly and a working basket which are connected to the horizontal support assembly, and the slewing assembly drives the working basket to horizontally rotate to closely abut against the inner wall surface for maintenance. The drag chain vehicle system drives the maintenance assembly to travel and work in the water diversion channel, the maintenance complexity is reduced, the delicacy, safety and reliability of the maintenance work are ensured, and full coverage maintenance of the water diversion channel is realized.

To provide a work vehicle capable of keeping comfortable steering operation as making a vehicle body flexibly follow change of terrain.SOLUTION: A work vehicle comprising a rear vehicle body frame and a front vehicle body frame, comprises: a front joint part located at a rear end of the front vehicle body frame and provided with a first spherical surface slipping bearing and a second spherical surface slipping bearing 310a1 which are arranged in a vertical direction; a rear joint part connected to, through a third spherical surface slipping bearing, a connection member 330 connected to the front joint part 300 through the first spherical surface slipping bearing and connected thereto through the second spherical surface slipping bearing 310a1, and located on the rear vehicle body frame; and a cylinder 450 connected to the front joint part through a fourth spherical surface slipping bearing 452 and connected to the rear vehicle body frame through a fifth spherical surface slipping bearing 451, wherein the fourth spherical surface slipping bearing 452 is arranged on the same horizontal surface as the second spherical surface slipping bearing 310a1.SELECTED DRAWING: Figure 6

A hitch assembly for attaching a following trailer to a leading trailer and preventing lateral pivoting of the hitch assembly with respect to the leading trailer includes a dolly which laterally pivotally attaches to a hitch of the leading trailer. The dolly trails the leading trailer and has a fifth wheel hitch for attaching to a following trailer. A stabilizer on the dolly is deployable near a rear end of the leading trailer such that lateral pivoting of the dolly with respect to the leading trailer is limited or entirely obstructed. The inhibiting action of the stabilizer facilitates accurate alignment of the fifth wheel hitch with the following trailer.

The application discloses a wheel-track combined semi-trailer tractor and a traction method thereof, and relates to the field of tractors, and can effectively improve the load capacity and driving performance of the tractor, reduce the turning radius, and realize the transverse moving function to meet the transfer requirements of large-scale equipment in a mine area.

The present application belongs to the general vehicle technical field, and particularly relates to a trailer connecting device, especially a connecting device for a tractor and a use method thereof; the connecting device for the tractor comprises: a saddle, which is provided with a containing groove and a positioning hole; a swan neck, one end of which is fixed with a positioning pin, the positioning pin is rotatably inserted into the positioning hole; a shock absorption adjusting part, which penetrates through the swan neck, and the lower end of the shock absorption adjusting part is abutted with the bottom wall of the containing groove; an angle sensor, which is arranged on the side of the swan neck close to the saddle in a lifting mode, and is linked with the shock absorption adjusting part; when the swan neck rotates around the positioning pin as the shaft, the containing groove side wall pushes the locking wheel to move upward; the shock absorption adjusting part is suitable for reducing the impact load suffered by the locking wheel and driving the angle sensor to move downward. Through the setting of the shock absorption adjusting part, the influence of the impact load generated by the vibration of the swan neck on the angle sensor can be reduced.

The present invention provides a towing vehicle, a combination, and a method for establishing media connection. [Solution] The towing vehicle is equipped with multiple plug connectors and handling devices for transmitting the medium, and the plug connectors are connectable to sockets in the towed vehicle.

The present application belongs to the technical field of trackless land vehicles, in particular to a tractor, and more particularly to a saddle lifting system for the tractor and a working method thereof. The saddle lifting system for the tractor is provided with a hydraulic rod of an oil cylinder assembly, which drives a lifting frame to be raised upward when the hydraulic rod is lifted, so that the height of the saddle is lifted, and a clamping ring is sleeved on the hydraulic rod and moves according to the lifting distance of the hydraulic rod, so as to reduce the lateral load of the hydraulic rod and avoid stress deformation damage of the hydraulic rod.

Towing vehicle having a plurality of plug connectors, each plug connector for transmitting a medium, the plug connectors being connectable to sockets of a towed vehicle, and further having an operating device.

The present application belongs to the technical field of towing vehicles, and particularly relates to a towing pin locking device for a towing vehicle and a working method. The device comprises: a saddle arranged at the end of a trailer, and an insertion groove is formed in the end of the saddle facing the towing vehicle; at least one pair of buffer mechanisms are symmetrically arranged on both sides of the insertion groove; the buffer wheels in each buffer mechanism are adapted to extrude the corresponding hydraulic buffers after abutting against the towing pin, thereby relieving the impact of the towing pin on the saddle; a double-arm locking mechanism is arranged inside the saddle and between the two buffer mechanisms; one pair of locking arms in the double-arm locking mechanism are adapted to embrace when the towing pin moves to the groove bottom of the insertion groove, thereby locking the towing pin; and an anti-disengagement mechanism is arranged inside the saddle and on one side of the double-arm locking mechanism; the anti-disengagement arm in the anti-disengagement mechanism is adapted to deflect when the two locking arms embrace so that the end of the anti-disengagement arm abuts against the outer wall of one of the locking arms.

This invention discloses an articulated vehicle and its braking force distribution method. The articulated vehicle includes a tractor and a trailer, which are connected by a hinge. The braking force distribution method includes: acquiring the current parameters and current road condition information of the articulated vehicle in real time when it brakes; determining the current braking force demand and current risk coefficient based on the current parameters and current road condition information; determining the current braking force distribution ratio of the trailer based on the current risk coefficient; and determining the braking force of the tractor and trailer based on the current parameters, current braking force demand, current braking force distribution ratio of the trailer, and current road condition information. The technical solution of this invention achieves a reasonable distribution of braking force between the tractor and trailer, avoiding safety hazards caused by unbalanced braking force distribution.

This invention discloses a semi-trailer logistics van that utilizes solar energy for auxiliary power. It includes a tractor unit and a semi-trailer frame connected together. Hub motors are installed in the driven wheels at the bottom of the semi-trailer frame, providing auxiliary power to the semi-trailer. Working in conjunction with the tractor unit, this enhances the vehicle's ability to navigate challenging road conditions such as inclines and declines. After the tractor unit separates from the semi-trailer, the semi-trailer can turn and move due to the speed difference between the hub motors on both sides. It can autonomously move to a designated loading / unloading position after detaching from the tractor unit, eliminating the need for reversing or other maneuvers on the tractor unit. The tractor unit simply pulls the semi-trailer to the vicinity of the designated loading / unloading position, thus improving loading and unloading efficiency to a certain extent. A generator housing with solar panels is also installed on the trailer, providing the necessary electrical energy to the hub motors and other power components, effectively increasing the vehicle's driving range. The generator housing also includes a cleaning drum, allowing the solar panels to be moved to the cleaning drum for cleaning, improving surface cleanliness and ensuring power generation performance.

This invention discloses an electric tractor saddle, relating to the field of tractor saddle technology. It includes two base assemblies; a support assembly rotatably mounted on the base assemblies; two pins passing through the joints between the base assemblies and the support assemblies to hinge them together; a cavity formed between the outer surface of each pin and the inner walls of the base and support assemblies, the cavity being filled with air, using air as the supporting medium to achieve non-contact support of the pins relative to the base and support assemblies, reducing wear during relative rotation; and a sealing assembly disposed on the base assemblies. By creating cavities between the pins and the base and support assemblies, and filling these cavities with air as the supporting medium, non-contact suspension support is achieved for the pins, ensuring that the pins maintain minimal direct contact with the base and support assemblies during operation.

To provide an automated guided vehicle capable of properly transporting trolleys. [Solution] The automated guided vehicle 1 is composed of a plurality of parts 10a, 10b connected by a movable member 11, and includes a surrounding body 12 that surrounds the cage trolley, drive wheels 14 provided on each part 10a, 10b of the surrounding body 12, and a control unit that controls the steering and driving of the drive wheels 14 so as to switch between a closed state in which the surrounding body surrounds the cage trolley and an open state in which the transported object is released by changing the relative position of each part.

The application discloses a parking method, device, system and vehicle. The method comprises the following steps: in a parking scene of a self-vehicle with a trailer, obtaining first relative pose information between the self-vehicle and the trailer through a flight device; and adjusting the attitude of the self-vehicle according to the first relative pose information and a preset parking route of the self-vehicle with the trailer, so that the self-vehicle with the trailer parks along the preset parking route. According to the scheme, the relative pose of the self-vehicle and the trailer is obtained through the flight device, the attitude of the self-vehicle is adjusted correspondingly, the self-vehicle with the trailer is driven at the adjusted attitude, and the self-vehicle with the trailer can park along the preset parking route again, so that the user of the self-vehicle can complete the parking with the trailer, the operation difficulty of the user is reduced, and the driving safety of the vehicle is improved.

This utility model provides a novel semi-trailer with a stake-type structure for easy unloading. Belonging to the field of semi-trailers, it includes: a chassis frame on which a frame is mounted; a first stake-type side panel is hinged to the chassis frame, and a support plate is hinged to the upper outer end of a second stake-type side panel. When the first stake-type side panel is in a horizontal position and the second stake-type side panel is in a vertical position, the support plate rests against the ground, and the second stake-type side panel is perpendicular to the support plate. This utility model fully utilizes the stake-type side panel structure of the semi-trailer itself. By adjusting the positions of the first and second stake-type side panels, the support plate is aligned with the ground to form a support platform, solving the problem that existing stake-type semi-trailers rarely utilize their own structure as a support platform. This design eliminates the need for additional complex extension plates or other structures, simplifying the vehicle structure and improving the vehicle's space utilization and structural rationality while meeting unloading requirements.

A hitch assembly to couple a vehicle and a trailer. The hitch assembly including a hitch defining a head and a body. The body is configured to be mounted with respect to the vehicle. The head defines a slot extending between a first end and an opposite second end and defined by at least an engagement surface. A kingpin defining a body mounted with respect to the trailer, wherein the body is configured to engage with the slot of the hitch and is mounted with respect to the engagement surface of the head. The vehicle and the trailer are in fluid and electrical communication when the kingpin is mounted with respect to the hitch.

The application provides a semi-trailer traction trailer table active steering vehicle, a long marshalling train and a steering control method, belongs to the technical field of train steering, and comprises a front steering trailer table and a semi-trailer, the front end of the semi-trailer is arranged on the front steering trailer table, the front steering trailer table is used for being connected with a preceding vehicle, the front steering trailer table comprises a rotary drive device, a front trailer axle and two side wheels, the rotary drive device can drive the front trailer axle to rotate so that the rear vehicle moves along the moving track of the preceding vehicle. The application also provides a long marshalling train and a trailer active steering control method. The application realizes track following of all trailers without limit of the number of trailers through active steering of the front steering trailer table, and simultaneously provides a calculation method of the active steering turning angle, so that the traction vehicle and all the rear vehicles move on the same track, and the track deviation problem is solved.

This application relates to the field of cargo transportation equipment technology, specifically a foldable ramp locking device for a semi-trailer. The device includes a ramp support A, a front ramp B, and a rear ramp C. A front hydraulic cylinder and a rear hydraulic cylinder for controlling folding are respectively installed on the front ramp B and rear ramp C. The left end of the front ramp B is hinged to the ramp support A, and the left end of the rear ramp C is hinged to the right end of the front ramp B. A linkage device is rotatably connected to the front end of the outer side of the front ramp B near the rear ramp C. An adjustable hook device is installed at the end of the linkage device. This application achieves rigid mechanical locking in the folded state through the coordinated design of the adjustable hook device and the locking pin device. The hook and the safety locking pin form a physical interlock, which, combined with the fixing pin device and the spherical bearing, effectively prevents the ramp from accidentally unfolding, completely solving the safety hazards in the folded state.