468 results about "Semi-trailer" patented technology

The invention provides a semi-trailer rollover early warning method and system based on dynamic threshold value prediction. The early warning method comprises the steps that the transverse acceleration, the yaw velocity, the vehicle speed, the suspension pressure and the front lane curvature of a semi-trailer are obtained in real time; according to the collected and calculated data and a linear trend extrapolation method, constructing a dynamic rollover risk threshold function and a comprehensive risk index function, and calculating a rollover risk threshold, a real-time risk value and a predicted risk value; the item with the higher value in the real-time risk value and the predicted risk value is selected and compared with a rollover risk threshold value, and whether early warning is triggered or not is judged, and a control instruction is issued; the early warning system comprises a semitrailer state monitoring unit, a lane curvature recognition unit, a rollover risk threshold calculation unit, a real-time risk value calculation unit, a predicted risk value calculation unit and an early warning control unit, and is used for realizing the early warning method, so that the response speed and the judgment accuracy of the semitrailer rollover early warning system under variable working conditions are improved.

The utility model discloses a container transportation semitrailer protection device, and relates to the technical field of container transportation. The protective device comprises a protective frame, a moving mechanism is arranged on the inner side of the protective frame, limiting mechanisms are arranged on the inner walls of the two sides of the protective frame, the moving mechanism comprises a limiting rod, the two ends of the limiting rod are fixedly connected with the inner walls of the two sides of the protective frame respectively, and two symmetrically-distributed limiting cylinders are arranged on the outer side of the limiting rod in a sliding mode. By means of the moving mechanism, stable sliding and positioning of the moving frame on the inner side of the protective frame are achieved, the accuracy and stability of moving of the moving frame are guaranteed through sliding connection of the positioning rod and the positioning cylinder, meanwhile, the moving frame is not prone to falling off, and the safety of the protective frame is improved. And the height can be limited in cooperation with a limiting mechanism, so that the purpose of adjusting the side protection height of the semi-trailer is achieved.

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.

The utility model discloses a position-changing turning-over machine for semitrailer frame machining, which comprises a position-changing turning-over machine base, a turning-over machine driving main body is rotatably mounted at the top of the position-changing turning-over machine base, fixing plates are fixed on two sides of the turning-over machine driving main body, sliding adjusting plates are slidably mounted on the inner sides of the fixing plates, and the sliding adjusting plates are rotatably mounted on the top of the position-changing turning-over machine base. A plurality of linearly-arranged supporting balls are embedded in the upper surface of the sliding adjusting plate in a rolling mode, a rotary positioning groove is formed in the bottom of one end of the sliding adjusting plate, a rotary connecting block is rotationally connected to the inner side of the rotary positioning groove in a clamped mode, and a rotary supporting rod is fixed to one end of the rotary connecting block. When the semitrailer frame is loaded, the semitrailer frame is supported at the loading port of the displacement turnover machine, and the semitrailer frame can be pushed into the displacement turnover machine in a sliding manner, so that workers are assisted in loading, the operation difficulty during loading is reduced, the safety risk during operation is reduced, and the personal safety of the workers is ensured.

The present application relates to a kind of load carrying carriage for freight semi-trailer, comprising: load carrying carriage body, including load carrying base, and front side plate, side fender and carriage door body;Multi-functional unloading assembly, including a plurality of unloading pipes connected in correspondence with interval and fixed to the both sides of the load carrying base, the load carrying base is respectively recessed with first embedded platform in the position corresponding to unloading pipe, the upper side of first embedded platform is detachably installed with corresponding link ring plate, the bottom side of link ring plate is respectively provided with corresponding second embedded platform upward, the bottom side of second embedded platform is respectively fixed with corresponding closed support plate;The support column is fixed to the bottom of closed support plate downward, the bottom of support column is respectively fixed with integral support plate connected to the bottom of unloading pipe.The present application can effectively carry weight according to demand, so as to effectively adapt to higher goods loading height, and can quickly and conveniently unload bulk cargo according to demand.

The application discloses a kind of automatic variable position tool for making semitrailer, it is related to the field of manufacturing production tool, including two mobile devices, two pairs of ground rails, frame body and installation unit, two the mobile device is respectively arranged on two pairs of ground rails and is used to move transport frame body, the installation unit is installed between two pairs of ground rails, variable position mechanism is installed on each the mobile device for frame body is positioned and turned over, a plurality of supporting frames are also provided between two pairs of the ground rail for placing frame body before supporting and positioning and turning over, the present application adopts mobile device, variable position mechanism and clamping unit, and a series of actions such as automatic clamping, lifting, turning, placing and the like are realized on frame, manual contact is reduced, production safety is improved, and after turning, frame can be accurately placed on the installation table of next process, so that production rhythm is improved, quality and efficiency are improved.

The invention relates to the technical field of semitrailer transportation, in particular to a mould-proof ventilation structure for a van type transportation semitrailer, which comprises a carriage frame body, an electric door is arranged on the left side of the front end of the carriage frame body, a fixed door is arranged on the right side of the front end of the carriage frame body, and a back door is arranged on the right side of the carriage frame body. A first plate is slidably connected to the top of the inner wall of the carriage frame and is driven by an air cylinder, the front end of the first plate penetrates through the front end of the carriage frame and is fixedly connected with a movable door, and a partition plate is fixedly connected to the bottom of the first plate; the compartment mechanism can achieve zoning of the inner space, the ventilation mechanism forms a ventilation area, meanwhile, goods loading and unloading are facilitated through the structure, automatic opening and closing are achieved through an air cylinder, a first ventilation fan and a second ventilation fan operate at the same time for ventilation, adjustment is achieved through an adjusting partition plate, and the first ventilation fan and the second ventilation fan are driven by driving wind power. And when the rotating force of the rotating fan is increased, the ventilation effect is better.

The utility model relates to the technical field of semitrailer tire burst safety protection, and discloses a semitrailer tire burst emergency locking safety protection device which comprises a hub body and a spoke, a first supporting ring is arranged on the upper portion of the center of the outer side of the hub body, and a second supporting ring is arranged on the lower portion of the center of the outer side of the hub body. A connecting adjusting device is arranged at the other end of the first supporting ring and comprises two square grooves, arc-shaped screw rods are arranged between one end of the first supporting ring and one end of the second supporting ring and close to the front portion and the rear portion, and the two ends of the two arc-shaped screw rods penetrate through the two square grooves correspondingly to the inner walls of the two square grooves; and the outer sides of the two end parts of the two arc-shaped screw rods are in threaded connection with locking nuts in a sleeving manner. According to the hub main body adjusting device, a worker can adjust the locking nut to adjust and adapt to the hub main body according to different sizes of the hub main body through the connecting adjusting device, so that the universality and the adaptability of the device are improved.

The invention relates to a method for determining the fuel consumption of a combination (K1 to K8) of a towing vehicle (TR) with a trailer (AN), wherein fuel consumption data (VD) of a fleet of towing vehicles (TR) with trailers (AN) are collected, wherein trailer information relating to the trailer (AN), including an axle configuration, a model (A, B, C, D) and a vehicle identification number (I, 1, 2, 3, 4, 7), a tire pressure, a tire temperature and / or a brake application, is collected in the towing vehicle (TR), wherein vehicle data of the towing vehicle (TR), including energy consumption, route data, speed data, a model (A, B, C, D) and a vehicle identification number (I, 1, 2, 3, 4, 7), is recorded in the towing vehicle (TR), wherein a fuel consumption calculation is performed for a specific combination (K1 to K8) or for a structurally identical combination (K1 to K8) with a towing vehicle (TR). Type (A, B, C,D) and a trailer (AN) of the same type (A, B, C, D) is carried out using the information obtained for this purpose, wherein the consumption data (VD) of the fleet of towing vehicles (TR) with trailers (AN) are collected in a backend (BE) and / or in a cloud, wherein for certain configurations consumption-relevant parameters are resolved according to towing vehicle (TR) and trailer (AN), wherein the trailer information and the vehicle data are transferred to the backend (BE), wherein the consumption calculation is carried out on request in the backend (BE).

The invention discloses a telescopic four-axis wind power blade transportation semitrailer, and relates to the technical field of wind power blade transportation semitrailers, the telescopic four-axis wind power blade transportation semitrailer comprises a shell, a sleeve is slidably connected to the interior of the shell, a sliding block is slidably connected to the interior of the sleeve, and a fixing plate is fixedly connected to the end, close to a tractor, of the sliding block; a round hole is formed in the outer side, close to the fixing plate, of the shell and completely penetrates through the shell, the sleeve and the sliding block in the thickness direction of the shell, an electromagnetic block is slidably connected into the round hole, a fixing ring is fixedly connected to the outer side, close to the round hole, of the shell, and an elastic plate is fixedly connected to one end of the electromagnetic block. According to the telescopic four-axis wind power blade transportation semitrailer, under the elastic force action of the elastic plates on the two sides, the electromagnetic block moves in the direction away from the sliding block, at the moment, the shell, the sleeve and the sliding block are in a free separation state, an operator can adjust the total length of the semitrailer body according to the length of a wind power blade, and the loading requirements of goods of different specifications are met.

The utility model discloses an integrally formed semitrailer hydraulic cylinder upper support, including the mounting panel, the connecting frame is installed to the side wall middle part of mounting panel. Advantageous effect lies in: the utility model discloses an installation cover is installed respectively at the mounting hole of both sides on the mounting panel, and the anti-loose clamping assembly can not be installed in the installation cover, so that the semitrailer hydraulic cylinder upper support can rotate gear no.

The utility model discloses a high-low plate semitrailer capable of longitudinally transporting cargoes with circular sections, which comprises a gooseneck type main frame, a front fixed platform arranged on the upper portion of the front end of the gooseneck type main frame and a rear fixed platform arranged on the upper portion of the rear end of the gooseneck type main frame, and a plurality of movable bottom plates are arranged on the upper portion of the rear fixed platform. Each movable bottom plate comprises a middle bottom plate and two foldable side bottom plates symmetrically arranged on the left side and the right side of the middle bottom plate, each movable bottom plate has two states, in the first state, the movable bottom plate and the rear fixed platform are in a horizontal attaching state, and in the second state, the movable bottom plate and the rear fixed platform are in a horizontal attaching state. And an included angle is formed between the movable bottom plate and the rear fixed platform. The semi-trailer has the advantages that the semi-trailer has various forms, can be used as a high-low plate semi-trailer, and can also be used as a goods transportation semi-trailer with a circular section; compared with a common high-low plate semi-trailer, the medium transported by the semi-trailer is more diversified.

The utility model discloses a self -discharging formula container and new energy container semitrailer relates to container technical field, including vice beam, turn lock base and four corner columns, the inner wall of vice beam is installed with a plurality of oil jar overturning base, the inner wall between a plurality of oil jar overturning base all is installed with oil jar body, and the output of a plurality of oil jar bodies all is installed with oil jar jacking assembly, and the both sides of the top of vice beam all are installed with supporting device through hinge, the utility model discloses through the collaborative work of vice beam, box girder, oil jar overturning base and oil jar body etc. parts, and oil jar body is as core power component, and through piston telescopic generation thrust or tension transmission to box girder, makes box girder on vice beam around the axis overturn, realizes the automatic unloading of goods, and this design does not need artificial or external equipment, significantly shortens the loading and unloading time, improves transportation turnover rate, reduces the logistics cost, avoids the goods damage and personnel safety risk simultaneously, promotes the reliability and efficiency of unloading.

The invention relates to the technical field of wind power plant equipment transportation, and provides an auxiliary uphill device suitable for a mountainous region wind power plant equipment transportation vehicle, which comprises fixed support columns arranged in pairs and symmetrically distributed on two sides of a transportation channel; the rolling equipment and the fixed supporting columns are arranged in a one-to-one correspondence manner; the movable pulley is detachably arranged on a semitrailer of the transport vehicle, and the movable pulley is located on the side, back on to the semitrailer, of the head of the transport vehicle; one end of the first steel wire rope is connected with the rolling equipment on the first side, and the other end of the first steel wire rope is connected with one side of the movable pulley; one end of the second steel wire rope is connected with the rolling equipment on the second side, and the other end is connected with the other side of the movable pulley. Loss caused by the fact that traction force is transmitted to the semitrailer through a vehicle head can be avoided, effective traction force is improved, and the problem that uphill power of a heavy-load transport vehicle is insufficient is solved; in addition, the two steel wire ropes and the movable pulley form double-side traction, a foundation is provided for direction adjustment of traction force, and direction deviation caused by single-side traction is avoided.

The utility model relates to the technical field of dump trucks, and discloses a tip-back type dump semitrailer which comprises a dump truck carriage, and a carriage door mounting frame is fixedly mounted at the top of the dump truck carriage and located at the position close to the rear side. According to the rear-turning type self-discharging semitrailer, the width of the position, close to the rear side discharging opening, in the compartment is larger than the width of the area close to the front side, so that the discharging speed of internal materials after the compartment is turned backwards can be effectively increased, the situation that sand is clamped in the compartment and moves upwards along with the compartment, the gravity center of the compartment moves upwards, and then rollover is caused is prevented, and the discharging safety is improved; sand in the area, close to the inner wall of the front side, of the interior of the dumper compartment is partitioned and separated through the back plate anti-adhesion device, it is prevented that the sand adheres into large blocks to be accumulated on the front side during discharging, meanwhile, the inner wall of the bottom of the dumper compartment is swept through the scraper, and the corner angle area, close to the bottom, of the interior of the dumper compartment is shoveled and cleaned through the shovel head; the sand is prevented from staying in the dumper carriage during unloading, and the unloading efficiency is improved.

This disclosure relates to a single-cylinder translation mechanism for a large semi-trailer and its usage method. The single-cylinder translation mechanism for a large semi-trailer includes a connecting seat, an active travel assembly, a follower travel assembly, a first limiting assembly, and a second limiting member. The active travel assembly includes a smooth support leg, a linear motion drive device, and a first connecting rod. The smooth support leg is hinged to the connecting seat. The first end of the linear motion drive device is hinged to the connecting seat, and the second end is hinged to the body of the first connecting rod. The follower travel assembly includes an anti-slip support leg and a second connecting rod. The anti-slip support leg is hinged to the connecting seat. The first limiting assembly is located on the smooth support leg and / or the anti-slip support leg. When the distance between the smooth support leg and the connecting seat is not greater than a preset distance, the anti-slip support leg is slidably connected to the smooth support leg via the first limiting assembly. When the distance between the smooth support leg and the connecting seat is greater than the preset distance, the sliding connection between the anti-slip support leg and the smooth support leg is broken. The second limiting member is fixed to the lower surface of the connecting seat.

The utility model discloses a drawing plate platform structure and a semitrailer, and particularly belongs to the technical field of semitrailers. Comprising a cargo platform used for bearing cargoes and a plurality of fixed positioning rods arranged in parallel, the fixed positioning rods are used for being fixedly connected with a semitrailer, a middle cross beam and symmetrical supporting beams are arranged between the cargo platform and the fixed positioning rods, the symmetrical supporting beams are axially fixed to the fixed positioning rods, and the middle cross beam is fixedly connected with the middle cross beam. The tops of the symmetrical supporting beams are fixedly connected with the cargo platform, and the middle cross beam is connected with the symmetrical supporting beams in a transversely penetrating mode and fixedly connected with the cargo platform. According to the utility model, the drawing plate frame beam is arranged on the cargo carrying platform of the semitrailer, and a drawing plate platform structure with a proper bearing area is selected on the drawing plate frame beam according to cargoes to be transported so as to adapt to the requirements of different cargoes; and when the transported goods return to the empty, the drawing plate platform structure is disassembled, so that the transportation cost can be saved, and the transportation cost is reduced.

The utility model provides a reinforcing frame for a water tank of a semitrailer. The reinforcing frame for the semitrailer water tank comprises a mounting plate, a mounting support, a damping assembly and a reinforcing assembly, the mounting plate is fixedly mounted on a semitrailer frame, the mounting support is fixedly arranged on the mounting plate and located on the side, away from the semitrailer frame, of the mounting plate, and the damping assembly is arranged on the mounting support and located on the side, away from the semitrailer frame, of the mounting plate. The installation support is arranged at the bottom end of the installation plate and connected with a semitrailer water tank, the damping assembly is used for relieving bumping vibration borne by the water tank in the semitrailer running process, the reinforcing assembly is arranged at the bottom end of the installation support and connected with the installation plate, and the reinforcing assembly is used for improving the stability of the installation support. According to the reinforcing frame for the water tank of the semitrailer, the impact force borne by the water tank in the driving process of the semitrailer is reduced through the arrangement of all the structures, and therefore the water tank is not prone to deformation or breakage, water leakage and the like.

This application provides a semi-trailer pin seat, including a seat body, a pin seat base plate, and a traction pin. The seat body is disposed on the top surface of the pin seat base plate, and the traction pin is disposed on the bottom surface of the pin seat base plate. The key feature is that the seat body has an oil storage chamber for storing lubricating grease. The semi-trailer pin seat also includes an oil passage structure disposed within the seat body and located outside the oil storage chamber. The oil passage structure forms at least one first flow path, extending in a front-to-back direction. The front end of the first flow path connects to the oil storage chamber, and the rear end of the first flow path is closed. The pin seat base plate has multiple first oil outlet holes, arranged at intervals from front to back, and connected to the first flow path. Based on the semi-trailer's posture, the lubricating grease can automatically and continuously enter the first flow path from the oil storage chamber under gravity, and then seep out through the first oil outlet holes to the area between the semi-trailer pin seat and the traction pin seat, achieving long-term lubrication of the contact surfaces.

The invention discloses a semitrailer frame welding production line and a welding method, and relates to the technical field of semitrailer frame welding, and the semitrailer frame welding production line specifically and structurally comprises a roller lifting conveying device used for continuously conveying a semitrailer frame in the conveying direction; the welding work stations are arranged in the conveying direction of the roller lifting conveying device, and the welding work stations are connected in series through the roller lifting conveying device so as to achieve sequential circulation and positioning of the semitrailer frame; the welding robots are arranged on the outer side of the roller lifting conveying device; the welding method comprises the step that the semitrailer frame welding production line is adopted for welding. The technical problems that when an existing semitrailer frame is welded, efficiency is low, clamping precision is not enough, and deformation is prone to occurring are solved.

According to the scheme, the semitrailer comprises a lower turnover seat, the lower turnover seat comprises a lower face plate, a lower face plate, an upper face plate and a lower face plate, and a connecting structure is arranged on the lower face plate and used for being detachably connected with a carriage; the two lower vertical plates are oppositely arranged at intervals, and the lower vertical plates are arranged on the side face, back to the carriage, of the lower panel; the two axial ends of the shaft sleeve are connected with the two lower vertical plates respectively, the shaft sleeve is used for being rotatably connected to the vehicle frame so that the lower overturning base can overturn up and down relative to the vehicle frame, the lower overturning base and the carriage are detachably assembled, in the assembling process, any vehicle frame can be randomly selected to be assembled with the carriage, the box closing-free effect is achieved, the production process is simplified, time is saved, and the production efficiency is improved. In addition, a detachable flexible connection mode is adopted between the lower turnover seat and the carriage, impact force can be better dispersed and absorbed when vibration or load changes, and the overall anti-seismic performance is improved.

The semitrailer frame comprises two girders, cross beams and supporting beams, the two girders are arranged at intervals, the cross beams and the supporting beams are arranged between the two girders, and the two ends of the cross beams and the two ends of the supporting beams are fixedly connected with the girders, so that the two girders are connected together through the cross beams and the supporting beams; the two girders are supported under the combined action of the cross beams and the supporting beams, and the overall stress strength of the semitrailer frame is improved. Wherein the cross beam is arranged in the vertical direction, the supporting beam is arranged in the horizontal direction, and the supporting beam is arranged behind the cross beam, so that the cross beam and the supporting beam define an installation space used for installing the electric drive control system, the cross beam, the cross beam and the supporting beam play a role in protecting the electric drive control system, and the electric drive control system is prevented from being damaged due to external impact; and a structure for protecting the electric drive control system does not need to be additionally arranged, so that the overall light weight of the vehicle is realized.

A coupling access device for a semi-trailer includes: a cover mechanism to cover an air hose coupling for pneumatic brakes of the semi-trailer, the cover mechanism to restrict access to the air hose coupling when in a closed position, and the cover mechanism to provide access to the air hose coupling when in an open position; a lock device to engage the cover mechanism in the closed position; and a controller to actuate the lock device to allow the cover mechanism to transition from the closed position to the open position.

The invention relates to a method for operating an ego-vehicle (1), comprising a towing vehicle (2) with sensors for detecting its surroundings and at least one semi-trailer (3) and / or trailer (3), wherein properties of the towing vehicle (2) and the trailer (3) or semi-trailer (3), including the type, length, number and position of axles and the presence and position of a lift axle and / or a steered axle of the towing vehicle (2) and the trailer (3) or semi-trailer (3), are detected or are known, wherein a parking space (PL) in front of the towing vehicle (2) is searched for by means of the sensors, wherein a width (B) of the parking space (PL) is measured, wherein a trajectory of the ego-vehicle (1) into the parking space (PL) is calculated and, based on the properties of the vehicle combination, a lateral distance (A1) of the ego-vehicle (1) to the parking space (PL) and the width (B) of the parking space (PL), it is checked whether a parking maneuver is possible.without any point of the ego-vehicle (1) colliding with another object (O1, O2), wherein the parking space (PL) is further measured as the ego-vehicle (1) steers into the parking space (PL), and the future path of the ego-vehicle (1) is calculated and checked for collisions with neighboring objects (O1, O2), wherein, in the case of manual parking, a warning is issued and / or the ego-vehicle (1) is braked if a collision is imminent, and in the case of automated parking, the ego-vehicle (1) is controlled in such a way as to avoid a collision.

1. Name of the product in this design: Liquefied Gas Transport Semi-Trailer. 2. Purpose of this design: This design is intended for use as a semi-trailer for transporting liquefied petroleum gas. 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 utility model discloses a semi-trailer carriage plate pressing and fixing device, which relates to the technical field of semi-trailer carriage plate processing and comprises a bottom plate, side plates are mounted on two sides of the top end of the bottom plate, a sliding groove is formed in one side of each side plate, a pressing and fixing plate is arranged above the bottom plate, sliding blocks are mounted on two sides of the pressing and fixing plate, and the sliding blocks are arranged in the sliding grooves. A plurality of mounting grooves are formed in the bottom end of the pressing and fixing plate, movable plates are arranged in the mounting grooves, and a cross rod is mounted in the middle of the top end of the pressing and fixing plate. According to the semi-trailer carriage plate pressing and fixing device, the bidirectional threaded rod is driven by the servo motor to rotate, the whole pressing and fixing plate can move up and down under the connection of the connecting rod, and therefore the semi-trailer carriage plate can be pressed and fixed; and a second electric telescopic rod drives a connecting plate to move up and down in the telescopic process, so that a movable plate can move up and down in a mounting groove, and the shape of the bottom end of a pressing and fixing plate can be flexibly adjusted.