Intelligent platform forks, self-loading and unloading conveyor beds, loading and unloading conveyor bed systems and methods

Abstract

The application relates to an intelligent platform fork, a self-loading and unloading conveying bed, a loading and unloading conveying bed system and method, and an intelligent loading and unloading conveying bed system, which comprises a self-loading and unloading conveying bed, a three-dimensional multi-directional conveying bed, a three-dimensional temporary storage rack, a freight platform, and an intelligent loading and unloading conveying bed control system. The self-loading and unloading conveying bed is installed on the freight platform and is used for the digital standard container loading and unloading of an intelligent logistics vehicle on an elevated track. The three-dimensional temporary storage rack is installed on the freight platforms on the two sides of the self-loading and unloading conveying bed and is used for temporarily storing the to-be-shipped digital standard containers in a three-dimensional mode to improve the loading and unloading efficiency. The bottom ground of the three-dimensional multi-directional conveying bed is provided with the self-loading and unloading conveying bed on the left side, the right side and / or the outer side, which is used for loading the goods of the logistics vehicle on the elevated track conveying bed onto the ground conveying bed or loading the goods of the ground conveying bed onto the intelligent logistics vehicle on the elevated track. The intelligent loading and unloading conveying bed system realizes the unmanned intelligent and rapid and efficient loading and unloading of the digital standard containers.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of loading and unloading conveying equipment, and particularly relates to an intelligent platform fork, a self-loading and unloading conveying bed, an intelligent loading and unloading conveying bed system and method. BACKGROUND

[0002] With the rapid development of modern logistics, especially the intelligent and rapid loading and unloading of logistics goods such as "digital standard containers" on rail transit or L rail transit elevated platforms, higher and higher requirements are put forward. Due to the narrowness of the elevated platform and the small movable space, the existing forklifts are manually driven or automatically driven. Whether it is a mobile forklift or a side-moving forklift, it needs to turn around to unload the goods from one logistics vehicle and load them onto the other logistics vehicle on the opposite side. The forklift needs a large space to turn around with the goods, especially for a forklift with a maximum load of 40 tons, which needs a larger space to turn around. The working efficiency in the narrow space of the elevated platform is difficult to meet the requirements.

[0003] The existing forks also have a positioning fork installed on a production line for translation and positioning of objects, or installed on a stacker (or telescopic fork), mainly used for warehouse goods storage and retrieval, etc. (the fork body is not a conventional fork body for forklifts), which cannot meet the needs of loading and unloading trucks for logistics containers. The existing forklift fork body has a hook type fork, a hinge type fork, and a pin type fork, which are installed on the vertical forklift gantry. The goods carried cannot be transferred horizontally between forklifts. Only a single vehicle can independently complete the operation process from unloading to loading or stacking, and turn around, occupying a large space. SUMMARY

[0004] The purpose of the present application is to provide an intelligent platform fork, a self-loading and unloading conveying bed, an intelligent loading and unloading conveying bed system and method, especially an intelligent platform fork containing a rail type fork, which is used for loading and unloading of intelligent logistics truck digital standard containers and other goods on elevated L rail platforms, or ground platforms, or other narrow scenes, improving the intelligent loading and unloading comprehensive efficiency of the logistics truck, reducing costs, and saving energy and protecting the environment.

[0005] The technical solution adopted by the present application is as follows:

[0006] In a first aspect, the present application provides a rail type fork, comprising a rail slot fork tail, a fork body and a fork tip, the rail slot fork tail, the fork body and the fork tip are connected in sequence to form an "L-shaped" structure, the rectangular rail slot fork tail is the short side of the "L-shaped" structure, the flat plate-shaped fork body is the long side of the "L-shaped" structure, and the upper part of one end face of the rail slot fork tail is connected horizontally and perpendicularly to the fork body.

[0007] The lower part of the track slot fork tail is a T-shaped track slot structure, the T-shaped track slot opening of the T-shaped track slot structure faces downward, the T-shaped track slot structure of the track slot fork tail is installed on the T-shaped track and is dynamically and precisely fitted with the T-shaped track; the fork tip of the track type fork is a flat tongue-shaped fork tip wedge surface, the upper surface is a horizontal plane and the lower surface is a 1-25 degree inclined angle.

[0008] The T-shaped track slot bottom of the track slot fork tail is provided with a sliding block or 2-6 or more slot bottom bearings which freely run forward and backward on the T-shaped track; the sliding block is made of copper-carbon alloy material or polytetrafluoroethylene (PTFE) or other wear-resistant materials.

[0009] The present application provides a kind of intelligent platform fork, including the above-mentioned track type fork, fork drive mechanism, fork support mechanism, T-shaped track, transverse adjustment mechanism, fork control system;Transverse adjustment mechanism is installed on foundation, fork support mechanism is installed on transverse adjustment mechanism, T-shaped track is installed on fork support mechanism, track type fork is installed on fork support mechanism and T-shaped track, fork drive mechanism is installed on fork support mechanism and track type fork;Intelligent platform fork is controlled under the control of fork control system and carries out synchronous intelligent operation;The fork support mechanism drives track type fork to move up and down, the fork drive mechanism drives track type fork to move horizontally along the T-shaped track in the length direction, and the transverse adjustment mechanism drives the whole intelligent platform fork to adjust left and right in the width direction of track type fork.

[0010] As a further technical solution, the transverse adjustment mechanism includes dovetail slots, dovetail slot rails, base plates and transverse adjustment electric cylinders, a plurality of dovetail slots are longitudinally and parallelly arranged and installed on the same base plane, limit plates are arranged at both ends of the dovetail slots respectively, a dovetail slot rail is installed in each dovetail slot, the dovetail slot rails freely slide between the limit plates at both ends of the dovetail slots, the upper surfaces of each dovetail slot rail are on the same horizontal plane, the base plate is a long rectangular plate structure installed on the upper surfaces of each dovetail slot rail to form an integral structure, 2-4 or more transverse adjustment electric cylinders are installed on the base plane, the driving rods of each transverse adjustment electric cylinder are connected to the lower surfaces of the base plate to drive the transverse adjustment mechanism and drive the track type fork to adjust left and right by 50-300 mm;

[0011] As a further technical solution, the fork support mechanism comprises a limiting buffer mechanism, a counterweight limiting mechanism, a longitudinal beam, a support roller and a lifting electric cylinder; the limiting buffer mechanism and the counterweight limiting mechanism are vertically installed on the base plate in front of and behind the same horizontal plane in mirror image symmetry, the longitudinal beam is installed at both ends of the counterweight limiting mechanism and the limiting buffer mechanism, a plurality of lifting electric cylinders are installed longitudinally between the longitudinal beam bottom surface and the base plate upper surface, the lifting electric cylinders are controlled by the fork control system to make the longitudinal beam drive the rail type fork to run up and down, and the downward running to the lowest position is called "0" position, the support roller is installed on the front end upper surface of the longitudinal beam to support the fork body;

[0012] The support roller comprises a groove type guide roller, a bearing bracket and a mounting plate; the groove type guide roller is a roller structure with rims at both ends, the rims at both ends are clamped on both sides of the fork body to play a stable guiding role, a bearing bracket is arranged at both ends of the mounting plate, and the shafts at both ends of the groove type guide roller are installed in the left and right bearing brackets;

[0013] The counterweight limiting mechanism comprises a rectangular cylinder body, a rectangular piston plate, a heavy spring and a longitudinal beam hole, the rectangular piston plate is freely movable up and down in the rectangular cylinder body, the longitudinal beam hole is arranged at the upper end of the rectangular piston plate, and the heavy spring is fixedly installed at the lower end in the bottom surface of the rectangular cylinder body and at the upper end in the bottom surface of the rectangular piston plate; the limiting buffer mechanism and the counterweight limiting mechanism are the same in structure configuration and principle, and the only difference is that the upper end of the heavy spring is not fixed to the bottom surface of the rectangular piston plate;

[0014] Preferably, the rectangular cylinder body is a self-lubricating rectangular cylinder body with a closed bottom surface and four edge covers at the upper opening, the rectangular piston plate is installed in the self-lubricating rectangular cylinder body, and the cover and the rectangular piston plate are dynamically and precisely fitted and installed;

[0015] Preferably, the rectangular piston plate is a rectangular three-dimensional structure, the upper part of the rectangular piston plate is provided with a longitudinal beam hole, and the bottom part is provided with a rectangular piston body, the rectangular piston body and the inner cavity of the rectangular cylinder body are dynamically and precisely fitted and installed, so that the rectangular piston body freely moves up and down in the rectangular cylinder body; the upper part of the rectangular piston plate is dynamically fitted and installed with the cover of the upper opening of the rectangular cylinder body, so as to realize free up and down sliding.

[0016] As a further technical solution, the fork drive mechanism includes a fork motor, a motor gear, a working gear set, and a rack. The working gear set is on the same plane with the transmission gear as the center, and a working gear of the same diameter is installed on each side of the left and right sides. The diameter of the transmission gear is smaller than the working gear. The installation axes of the three gears are on the same line, and a group of working gear sets are installed in a mirror-symmetrical manner on the center lines of the left and right sides of the longitudinal beam center; a motor gear is symmetrically installed on each end of the fork motor shaft, and the fork motor is transversely installed on either side of the center position of the bottom surface of the longitudinal beam, and the motor gears at both ends are respectively installed in mesh with a pair of working gears; a rack is longitudinally installed on both sides of the track groove fork tail of the track type fork, and the two racks are respectively installed in mesh with the two working gears of the working gear set on each side of the longitudinal beam. Under the control of the fork control system, the track type fork moves back and forth to load and unload digital standard cargo boxes;

[0017] Preferably, the intelligent platform fork further includes a limiter, which is installed at the front and rear ends of the T-track. When the fork tail in the track groove runs to the limiter position under the drive of the fork drive mechanism, it immediately stops running and is positioned. At the same time, the fork control system controls the lifting electric cylinder to drive the intelligent platform fork to fall back to the initial lowest position.

[0018] In the second aspect, the present invention also provides a self-loading and unloading conveyor bed, including the intelligent platform forks, conveying units, conveyor bed Internet of Things and conveyor bed control system. Every two intelligent platform forks form a group and are installed parallel and symmetrically on the basis. The parallel spacing between them is the standard distance of the digital standard cargo box forklift loading and unloading slot. Conveying units are arranged on both sides and in the middle of a group of intelligent platform forks; the conveyor bed Internet of Things is installed at the front of the self-loading and unloading conveyor bed to receive information from the box-borne Internet of Things and exchange information with the vehicle-borne Internet of Things of the intelligent logistics vehicle; the self-loading and unloading conveyor bed operates intelligently under the control and management of the conveyor bed control system.

[0019] As a further technical solution, the self-loading and unloading conveyor bed also includes an adjustable measurement and control mechanism, which is installed above the longitudinal beam hole of the front counterweight limit mechanism and below the centerline of the fork body. The adjustment measurement and control mechanism can measure and control the camera angle to 120 degrees, and can accurately identify and align the loading and unloading slots at the bottom of the digital standard cargo box or the carriage frame position of the intelligent logistics vehicle, realizing accurate loading and unloading of the digital standard cargo box. The two intelligent platform forks can be adjusted horizontally in the same direction or up to 600mm in opposite directions, and a single intelligent platform fork can be adjusted up to 300mm left and right.

[0020] Preferably, the self-loading and unloading conveying bed further comprises an automatic box baffle, which is composed of a baffle and a baffle electric cylinder. The baffle electric cylinder is installed on the base in front of the self-loading and unloading conveying bed. The baffle is installed on the telescopic rod of the baffle electric cylinder in parallel with the front edge of the self-loading and unloading conveying bed. In the normal state, the baffle is below the working surface of the self-loading and unloading conveying bed and does not affect other operations. Under the control and management of the conveying bed control system, when it is necessary to block and accurately position the digital standard box at the most front position of the self-loading and unloading conveying bed for convenient loading, the baffle is automatically raised, and after the task is completed, the baffle is automatically lowered.

[0021] In a third aspect, the present application further provides an intelligent loading and unloading conveying bed system, which comprises the self-loading and unloading conveying bed, the three-dimensional multi-directional conveying bed, the three-dimensional temporary storage rack, the freight platform and the intelligent loading and unloading conveying bed control system. The freight platform is installed in parallel with the elevated track. One to six or more self-loading and unloading conveying beds are installed on the freight platform, the front end intelligent platform fork of which is perpendicular to the elevated track, and the rear end thereof is seamlessly connected with the three-dimensional multi-directional conveying bed on the same working plane. One to six or more three-dimensional temporary storage racks are installed on the freight platforms on both sides of the self-loading and unloading conveying bed above the self-loading and unloading conveying bed, which are used for temporarily storing the digital standard boxes to be shipped to improve the loading and unloading efficiency. The three-dimensional multi-directional conveying bed runs up and down between the upper elevated freight platform working plane and the ground working plane. One to two or more self-loading and unloading conveying beds can be installed on the left side, or / and the right side, or the outer side of the ground working plane of the three-dimensional multi-directional conveying bed, which are used for loading and unloading the digital standard boxes. Under the management and control of the intelligent loading and unloading conveying bed control system, the intelligent loading and unloading conveying bed system realizes the unmanned intelligent and efficient loading and unloading of the digital standard boxes.

[0022] As a further technical solution, the three-dimensional temporary storage rack comprises a door type lifting mechanism, a lifting frame, a suspension arm and a suspension arm lifting machine control system. The two door type lifting mechanisms are mirror-symmetrically and vertically installed in parallel on the base. The lifting frame is installed on the two door type lifting mechanisms. The four suspension arms form a group, and multiple groups of suspension arms are installed on the edge beams on both sides of the lifting frame. The three-dimensional temporary storage rack intelligently operates under the control and management of the suspension arm lifting machine control system.

[0023] The door type lifting mechanism comprises a portal structure, a double winch and self-lubricating sliding blocks; the portal structure is formed by two vertical and parallel rectangular tube door columns placed on the same plane, the bottom of which is connected by a foot plate, and the top of which is connected by a rectangular tube door beam; the outer side of the two rectangular tube door columns is respectively provided with a rectangular vertical slot, and two "convex" self-lubricating sliding blocks are respectively installed in the two door column rectangular tubes and are in self-lubricating cooperation with the size of the inner cavity of the rectangular tube, the "convex" edges of the two self-lubricating sliding blocks are arranged in the rectangular vertical slot of the door column for installing the lifting frame; the double winch is installed in the door beam rectangular tube, and two winches are arranged at the top of the two door column rectangular tubes, the steel wire ropes on the two winches are respectively installed on the two self-lubricating sliding blocks, and the self-lubricating sliding blocks are pulled to run up and down freely; the door type lifting mechanism further comprises a moving mechanism, and the wheels of the moving mechanism and a servo motor are installed on the bottom surface of the foot plate, the wheels are installed on the steel rail, and run under the control of the cantilever crane control system.

[0024] The lifting frame is a frame structure formed by two parallel side beams connected by a plurality of cross beams; the two ends of the two side beams (57) are respectively installed on the "convex" edges of the two self-lubricating sliding blocks (59), and the self-lubricating sliding blocks (59) and the lifting frame (52) are pulled to run up and down under the control of the cantilever crane control system (5J).

[0025] The suspension arm is an L-shaped load-bearing arm for grabbing and lifting digital standard containers, and four suspension arms form a group, and a plurality of groups of suspension arms are installed on the side beams on both sides of the lifting frame and accurately align and grab the digital standard containers under the guidance of the image positioning instrument installed on the cross beams of the lifting frame.

[0026] As a further technical solution, the three-dimensional multi-directional conveying bed comprises an automatic elevator, a multi-directional conveying bed and a three-dimensional multi-directional conveying bed control system; the multi-directional conveying bed is installed in the automatic elevator and realizes three-dimensional conveying of goods in front, back, left, right and up under the control of the three-dimensional multi-directional conveying bed control system.

[0027] As a further technical solution, the automatic elevator comprises an H steel column tower, a lifting mechanism, a supporting bed and a self-elevator control system, the lifting mechanism is installed on the H steel column tower, and the supporting bed is installed on the lifting mechanism; under the unified scheduling of the intelligent loading and unloading conveying bed control system, the self-elevator control system manages and controls the safe operation of the automatic elevator.

[0028] The H steel column tower is a rectangular three-dimensional structure composed of H steel columns, longitudinal beams and cross beams. The longitudinal two sides of the rectangular H steel column tower are respectively provided with 6 or more H steel columns. The height of the H steel column is greater than the height of the elevated rail freight platform. The multiple H steel columns are arranged at the four corners and the middle of the longitudinal two sides of the rectangular H steel column tower. The top end of the middle H steel column of the platform butt joint is lower than the bottom surface of the freight platform. The top and bottom of the H steel column are connected by longitudinal beams and cross beams to improve the structural strength and stability.

[0029] The lifting mechanism includes a rack, a self-locking gearbox, a lift servo motor, a fixed base plate, a sliding rail sleeve and a motor synchronizer. The rack is installed on one side or both sides of the web of each H steel column and matches the output gear of the self-locking gearbox to realize unilateral or bilateral lifting drive. The sliding rail sleeve is a rectangular three-dimensional structure with a mounting port and is freely slidable up and down inside the H steel column. The fixed base plate is installed on the side panel of the sliding rail sleeve and the frame of the support bed. The self-locking gearbox with a safety self-locking brake is installed on the fixed base plate, and the output gear of the self-locking gearbox is installed corresponding to the rack. The lift servo motor is installed on the fixed base plate, and the output shaft of the lift servo motor is connected to the input shaft of the self-locking gearbox. The motor synchronizer ensures the high synchronization and coordinated safe operation of each lift servo motor on the elevator.

[0030] The lifting mechanism on the platform butt joint middle H steel column is provided with a support connecting plate on the outer edge of the sliding rail sleeve waist plate and the fixed base plate. The top end of the support connecting plate is installed on the lower part of the inner middle frame of the support bed, so that the lifting mechanism on the platform butt joint middle H steel column operates below the freight platform ground, ensuring that the three-dimensional multi-directional conveying bed and the self-loading and unloading conveying bed on the freight platform are seamlessly connected on the same working plane.

[0031] The support bed is a rectangular frame structure, and the upper surface of the support bed is provided with a multi-directional conveying bed. The frames at the four corners and the middle of the longitudinal edges of the support bed corresponding to the positions of the multiple H steel columns are respectively installed on the waist plates of the sliding rail sleeves of the lifting mechanisms.

[0032] As a further technical solution, the multi-directional conveying bed is composed of power conveying rollers and passive rolling balls. The power conveying rollers and the passive rolling balls are respectively installed at different positions and in different running directions of the automatic lift bed according to different functional requirements. Two rows of power conveying rollers are respectively installed on the front and rear longitudinal edges of the support bed, and the running direction is perpendicular to the freight platform. Two rows of power conveying rollers are respectively installed on the left and right transverse edges of the support bed, and the running direction is parallel to the freight platform. The power conveying rollers and the passive rolling balls are evenly staggered in the middle of the support bed, and the running direction is balanced, so as to realize multi-directional conveying. The power conveying rollers can run forward and backward.

[0033] In a fourth aspect, the application also provides a running method of the intelligent loading and unloading conveying bed system.

[0034] (1) The ground logistics vehicle loaded with digital standard containers arrives at the bottom left side, or / and right side, or outer side of the three-dimensional multi-directional conveying bed, and installs a self-loading and unloading conveying bed according to the requirements, and accurately stops to make the digital standard containers basically aligned with the forks of the self-loading and unloading conveying bed;

[0035] (2) Under the comprehensive management of the intelligent loading and unloading conveying bed control system, the forks control system of the ground self-loading and unloading conveying bed automatically raises a group of track type forks, the horizontal adjustment mechanism adjusts the forks to align with the forklift loading and unloading slot at the bottom of the digital standard container according to the image information of the adjustment control mechanism, the track type forks are automatically inserted into the forklift loading and unloading slot at the bottom of the digital standard container, then the digital standard container is raised, and the forks are withdrawn to place the digital standard container on the ground self-loading and unloading conveying bed;

[0036] (3) The ground conveying bed Internet of Things automatically receives the information of the container Internet of Things, and exchanges information with the vehicle-mounted Internet of Things of the ground logistics vehicle, and the ground conveying bed Internet of Things uploads the information of the digital standard container to the intelligent loading and unloading conveying bed control system;

[0037] (4) The ground self-loading and unloading conveying bed starts the conveying unit to transport the digital standard container to the three-dimensional multi-directional conveying bed, and the three-dimensional multi-directional conveying bed raises the digital standard container to the position of the freight platform under the management of the intelligent loading and unloading conveying bed central management system, and transports the digital standard container to the platform self-loading and unloading conveying bed;

[0038] (5) The digital standard container is guided and positioned by the side guide plate to be conveyed to the bottom of the three-dimensional temporary storage shelf on the platform self-loading and unloading conveying bed, under the management of the cantilever hoist control system, the moving mechanism of the portal lifting mechanism is started according to the information of the image positioning instrument to automatically align the cantilever arm with the digital standard container, the four cantilever arms are automatically synchronized to be stretched out and lowered to the bottom of the digital standard container, the digital standard container is lifted and hung in the air to wait for loading;

[0039] Other digital standard containers to be shipped are sequentially hung on multiple three-dimensional temporary storage shelves according to steps (1)-(5);

[0040] (6) The intelligent logistics vehicle on the elevated track arrives at the freight platform and accurately positions and stops to make the digital standard containers basically aligned with the forks of the self-loading and unloading conveying bed;

[0041] (7) Under the comprehensive management of the intelligent loading and unloading conveying bed control system, the forks control system of the platform self-loading and unloading conveying bed automatically raises a group of track type forks, the horizontal adjustment mechanism adjusts the forks to align with the forklift loading and unloading slot at the bottom of the digital standard container according to the image information of the adjustment control mechanism, the track type forks are automatically inserted into the forklift loading and unloading slot at the bottom of the digital standard container, then the digital standard container is raised, and the forks are withdrawn to place the digital standard container on the platform self-loading and unloading conveying bed;

[0042] (8) The platform conveying bed Internet of Things automatically receives the information of the Internet of Things of the box, and exchanges information with the Internet of Things of the vehicle of the intelligent logistics vehicle. The platform conveying bed Internet of Things uploads the information of the digital standard box to the intelligent loading and unloading conveying bed control system.

[0043] (9) The platform self-loading and unloading conveying bed starts the conveying unit to convey the digital standard box to the three-dimensional multi-directional conveying bed. Under the management of the intelligent loading and unloading conveying bed central management system, the three-dimensional multi-directional conveying bed conveys the digital standard box downward to the ground self-loading and unloading conveying bed position, and conveys the digital standard box to the ground self-loading and unloading conveying bed. The baffle of the automatic box baffle on the ground self-loading and unloading conveying bed is automatically raised, and the digital standard box is conveyed to the baffle position on the ground self-loading and unloading conveying bed.

[0044] (10) The fork control system of the ground self-loading and unloading conveying bed automatically lifts a group of track type forks to raise the digital standard box. The baffle is automatically lowered to return to the original position. The horizontal adjustment mechanism adjusts the alignment of the forks to the edge of the carriage of the ground logistics vehicle and the loading position according to the image information of the adjustment control mechanism, loads the digital standard box into the vehicle, and automatically retreats the track type forks to the original position on the ground self-loading and unloading conveying bed 1, completing a loading cycle.

[0045] (11) After the digital standard box in the intelligent logistics vehicle is unloaded onto the platform self-loading and unloading conveying bed and conveyed away, the to-be-shipped digital standard box on the three-dimensional temporary storage rack is immediately lowered onto the platform self-loading and unloading conveying bed. The baffle of the automatic box baffle on the platform self-loading and unloading conveying bed is automatically raised, and the digital standard box is conveyed to the baffle position on the platform self-loading and unloading conveying bed.

[0046] (12) The fork control system of the platform self-loading and unloading conveying bed automatically lifts a group of track type forks to raise the digital standard box. The baffle is automatically lowered to return to the original position. The horizontal adjustment mechanism adjusts the alignment of the forks to the edge of the carriage of the intelligent logistics vehicle and the loading position according to the image information of the adjustment control mechanism, loads the digital standard box into the vehicle, and automatically retreats the track type forks to the original position on the platform self-loading and unloading conveying bed, completing a shipment cycle.

[0047] The advantages of the present application are:

[0048] 1. The track type fork and the self-loading and unloading conveying bed realize horizontal loading and unloading and conveying of digital standard boxes and other goods in high-level platforms, ground platforms or other narrow scenes. The intelligent loading and unloading has high comprehensive efficiency, low cost, energy saving and environmental protection.

[0049] 2. The intelligent loading and unloading conveying bed system provided by the application realizes intelligent loading and unloading of goods of the rail logistics vehicle on the elevated rail station and the ground logistics vehicle, has high operation efficiency and low logistics cost.

[0050] 3. The intelligent loading and unloading conveying bed system realizes mutual communication among the conveying bed internet of things, the logistics box internet of things, the vehicle internet of things and the intelligent loading and unloading conveying bed control system under the unified command and management of the intelligent loading and unloading conveying bed control system, the information of the logistics box is transmitted to the place where the logistics box is, continuous traceability of the information of the logistics vehicle, the loading and unloading conveying system and the logistics box is realized, and intelligent and digital logistics operation is realized. BRIEF DESCRIPTION OF DRAWINGS

[0051] Figure 1 The application discloses an intelligent loading and unloading conveying bed system.

[0052] Figure 2 The application discloses an intelligent loading and unloading conveying bed system.

[0053] Figure 3 The application discloses an intelligent loading and unloading conveying bed system.

[0054] Figure 4 The application discloses an intelligent loading and unloading conveying bed system.

[0055] Figure 5 The application discloses an intelligent loading and unloading conveying bed system.

[0056] Figure 6 The application discloses an intelligent loading and unloading conveying bed system.

[0057] Figure 7 The application discloses an intelligent loading and unloading conveying bed system.

[0058] Figure 8 The application discloses an intelligent loading and unloading conveying bed system.

[0059] 1, self-loading and unloading conveying bed, 2, multi-directional conveying bed, 3, automatic elevator, 4, freight platform, 5, cantilever lifting machine, 6, intelligent platform fork, 7, baffle, 8, baffle electric cylinder, 9, automatic box baffle, 1A, conveying unit,

[0060] 30, lifting mechanism, 31, rack, 32, self-locking gearbox, 33, elevator servo motor, 34, slide rail cover, 35, safety device, 36, supporting bed, 37, stabilizing crossbeam, 38, stabilizing longitudinal beam, 39, platform butt joint middle H steel column H steel A column, 3A, support connecting plate

[0061] 41, overhead track,

[0062] 51, portal lifting mechanism, 52, lifting frame, 53, suspension arm, 54, foot plate, 55, moving mechanism, 56, door column, 57, side beam, 58, crossbeam, 59, sliding block, 5A, double winch wheel winch, 5B, winch wheel, 5C, steel wire rope, 5D, door crossbeam,

[0063] 61, track type fork, 62, track slot fork tail, 63, fork body, 64, fork motor, 65, motor gear, 66, working gear, 67, transmission gear fork driving mechanism, 68, T-shaped track, 69, rack, 6A, counterweight limiting mechanism, 6B, longitudinal beam, 6C, limiter, 6D, lifting electric cylinder, 6E, heavy spring, 6F, transverse adjustment mechanism, 6G, connecting shaft cover, 6H, rectangular piston plate, 6J, longitudinal beam hole, 6K, rectangular cylinder, 6L, dovetail groove, 6M, dovetail groove rail, 6N, base plate, 6P, transverse adjustment electric cylinder, 6Q, slot bottom bearing, 6S, supporting roller, 6T, slot type guide roller, 6U, bearing support, 6V, mounting plate, 6Z, adjustment control mechanism. DETAILED DESCRIPTION

[0064] It should be noted that the following detailed description is merely exemplary and is intended to provide further description of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0065] It should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should be further understood that the terms "comprise" and / or "include" as used herein indicate the presence of the features, steps, operations, devices, components and / or combinations thereof;

[0066] The orientation words used in the present application, such as "front", "back", "left", "right", "up", "down", "top", "bottom", "vertical", "horizontal", "vertical", "inboard", "outboard", "uplink", "downlink", etc. are based on the schematic diagram, and are only for the convenience of description and relative position, and do not represent the actual position. The terms are mainly used to distinguish different components, but do not specifically limit the components.

[0067] Concept definition: The "digital standard container" described in the present application is a unified term for digital standard containers, or digital standard pallets, or other digital standard packaged goods, etc. for the convenience of description. The digital standard container has an Internet of Things system, which is called a container-mounted Internet of Things. The container-mounted Internet of Things includes the names and quantities of goods inside, the delivery date, the delivery master, the receiver, security information, transportation vehicle information including intermediate transfer vehicles and transfer station information, etc., and realizes full-process traceability.

[0068] Embodiment 1

[0069] The present application provides a track type fork 61, comprising a track slot fork tail 62, a fork body 63, and a fork tip, which are connected in sequence to form an "L-shaped" structure. The track slot fork tail 62 is the short side of the "L-shaped" structure, and the upper end face of the track slot fork tail is connected horizontally and perpendicularly to the fork body 63.

[0070] Further, the lower part of the track slot fork tail 62 is a T-shaped track slot structure, and the T-shaped track slot opening faces downward. The T-shaped track slot structure of the track slot fork tail 62 is installed on a T-shaped track and is dynamically and precisely fitted with the T-shaped track.

[0071] Further, the T-shaped track slot bottom of the track slot fork tail 62 is provided with a sliding block or 2-6 or more slot bottom bearings 6Q, which are lubricated by oil and gas and freely run on the upper surface of the T-shaped track 68 along the track. The sliding block is made of copper-carbon alloy material or polytetrafluoroethylene (PTFE) or other wear-resistant materials. Figure 4 As shown in the figure.

[0072] The track type fork 61 proposed in the present embodiment realizes the horizontal loading and unloading and conveying of digital standard containers and other goods in high-level platforms, ground platforms, or other narrow scenes, with high intelligent loading and unloading comprehensive efficiency, low cost, energy saving and environmental protection.

[0073] Embodiment 2

[0074] The embodiment provides a kind of intelligent platform fork 6, it includes track type fork 61 in above-mentioned embodiment, fork support mechanism, transverse adjustment mechanism 6F, T-shaped track 68, fork drive mechanism and fork control system;Transverse adjustment mechanism is installed on base, fork support mechanism is installed on transverse adjustment mechanism, T-shaped track 68 is installed on fork support mechanism, track type fork 61 is installed on fork support mechanism and T-shaped track 68, fork drive mechanism is installed on fork support mechanism and track type fork 61;Every two intelligent platform forks 6 are a group, mutually parallel symmetry is installed on base, its parallel interval is the standard distance of digital standard container bottom fork truck loading and unloading groove;Two intelligent platform forks 6 carry out synchronous intelligent operation under the control of fork control system.The described fork support mechanism drives track type fork to rise or fall, the described fork drive mechanism drives track type fork to move back and forth along the described T-shaped track in its length horizontal direction, the described transverse adjustment mechanism drives intelligent platform fork 6 whole to adjust left and right in the width direction of track type fork.As shown in Figure 4 As shown in

[0075] Further, transverse adjustment mechanism 6F includes dovetail groove 6L, dovetail groove rail 6M, base plate 6N, transverse adjustment electric cylinder 6P, 2-4 or more dovetail grooves 6L are longitudinally parallel arranged and installed on the same base plane, the two ends of dovetail groove 6L are respectively provided with limit plates, the dovetail groove rail 6M is installed in each dovetail groove 6L, the dovetail groove rail 6M is freely slid between the limit plates at the two ends of the dovetail groove 6L, the upper surface of each dovetail groove rail 6M is on the same horizontal plane, the base plate 6N is a long rectangular plate structure installed on the upper surface of each dovetail groove rail 6M and connected into a whole structure, 2-4 or more transverse adjustment electric cylinders 6P are installed on the base plane, the driving rod of each transverse adjustment electric cylinder 6P is connected to the lower surface of the base plate 6N, and drives the transverse adjustment mechanism 6F and drives the track type fork 61 to adjust left and right by 50-300 mm to align the bottom loading and unloading fork groove of digital standard container and other goods;As shown in Figure 5 As shown in

[0076] Further, the fork support mechanism includes counterweight limiting mechanism 6A, limiting buffer mechanism 6R, longitudinal beam 6B, support roller 6S and lifting electric cylinder 6D;Limiting buffer mechanism and counterweight limiting mechanism are vertically installed on base plate in front and back mirror image symmetry on the same horizontal plane, longitudinal beam 6B is a flat plate, and the two ends of the flat plate are respectively installed in the longitudinal beam hole 6J of the counterweight limiting mechanism 6A and the limiting buffer mechanism 6R, 2-6 or more lifting electric cylinders 6D are longitudinally installed between the bottom surface of the longitudinal beam 6B and the upper surface of the base plate (6N), the longitudinal beam 6B is controlled by the fork control system to run up and down within the telescopic range of the counterweight limiting mechanism 6A and the limiting buffer mechanism, and the downward running to the lowest position is called "0" position, and the support roller is installed on the upper surface of the front end of the longitudinal beam to support the fork body;

[0077] The support roller 6S includes a groove-shaped guide roller 6T, a bearing bracket 6U, and a mounting plate 6V. The groove-shaped guide roller 6T is a roller structure with flanges at both ends, and the flanges at both ends are clamped on both sides of the fork body 63 to play a stable guiding role. One bearing bracket 6U is arranged at each end of the mounting plate 6V, and the shafts at both ends of the groove-shaped guide roller 6T are installed in the left and right bearing brackets 6U. As shown in Figure 5 .

[0078] The counterweight limiting mechanism 6A is composed of a rectangular cylinder body 6K, a rectangular piston plate 6H, a heavy spring 6E, and a longitudinal beam hole 6J. The rectangular piston plate 6H is installed in the rectangular cylinder body 6K, the longitudinal beam hole 6J is arranged at the upper end of the rectangular piston plate 6H, and the heavy spring 6E is fixedly installed at the bottom of the rectangular cylinder body 6K at the lower end and at the bottom of the rectangular piston plate 6H at the upper end. The limiting and buffering mechanism 6R and the counterweight limiting mechanism 6A have the same structure and principle, and the only difference is that the upper end of the heavy spring 6E is not fixed to the bottom surface of the rectangular piston plate 6H, but is in a free contact state. As shown in Figure 4 .

[0079] Preferably, the rectangular cylinder body 6K is a self-lubricating rectangular cylinder body with a closed bottom surface and a top opening covered by four edges, and the rectangular piston plate 6H is installed in the rectangular cylinder body. The cover and the rectangular piston plate are dynamically and precisely fitted and installed, allowing the rectangular piston plate to move freely up and down. The rectangular piston plate 6H is a rectangular three-dimensional structure, and the upper part is provided with a longitudinal beam hole 6J, and the bottom is provided with a rectangular piston body. The rectangular piston body and the inner cavity of the rectangular cylinder body 6K are dynamically and precisely fitted and installed, allowing the rectangular piston body to slide up and down in the rectangular cylinder body 6K. As shown in Figure 4 a、 Figure 4 b、 Figure 4 c.

[0080] When the rectangular piston plate 6H is driven by the longitudinal beam 6B to slide upward in the rectangular cylinder body 6K, the heavy spring 6E in the counterweight limiting mechanism is stretched, and the counterweight force gradually increases. When the rectangular piston body of the rectangular piston plate 6H reaches the four edge covers at the top opening of the rectangular cylinder body 6K, the maximum counterweight force is reached, and the support force at the top of the rectangular cylinder body 6K plays a maximum counterweight force and a stabilizing role. The heavy spring 6E in the limiting and buffering mechanism plays a reverse counterweight role in the initial stage of rising, and plays a buffering role when the rectangular piston plate 6H falls down;

[0081] Further, the fork driving mechanism includes a fork motor 64, a motor gear 65, a working gear set, and a rack 69. The working gear set is a pair of working gears 66 with the same diameter symmetrically installed on the left and right sides of the transmission gear 67 as the center in the same plane. The diameter of the transmission gear 67 is smaller than that of the working gear 66. The installation axes of the three gears are in the same line, and a set of working gear sets is symmetrically installed on the center lines of the left and right sides of the center of the longitudinal beam 6B. The fork motor 64 is symmetrically installed with a motor gear 65 at each end. The fork motor 64 is transversely installed on either side of the center of the bottom surface of the longitudinal beam 6B. The motor gears 65 at both ends are respectively and correspondingly toothed with a pair of working gears 66. A rack 69 is longitudinally installed on each side of the track section fork tail 62. The two racks 69 are respectively and correspondingly toothed with the two working gears 66 of the working gear set on each side of the longitudinal beam 6B. Under the control of the fork control system, the track type fork 61 moves forward and backward to load and unload digital standard containers. Figure 4

[0082] Preferably, the intelligent platform fork 6 further includes a limit stop 6C installed at the front and rear ends of the T-shaped track 68. When the track slot fork tail 62 runs to the limit stop position under the drive of the fork driving mechanism, it stops running and positions. At the same time, the fork control system controls the lifting electric cylinder (6D) to drive the longitudinal beam (6B) to fall back to the initial lowest "0" position.

[0083] Embodiment 3

[0084] The embodiment provides a self-loading and unloading conveying bed 1, which includes the intelligent platform fork 6, the conveying unit 1A, the conveying bed Internet of Things, and the conveying bed control system in the above-mentioned embodiments. Each two intelligent platform forks 6 are a group and are symmetrically installed on the base in parallel. The parallel distance is the standard distance of the digital standard container fork truck loading and unloading slot. The conveying unit 1A is arranged on the left and right sides and the middle of a group of intelligent platform forks 6. The conveying unit 1A can be a power conveying roller or a passive conveying roller. The conveying bed Internet of Things is installed at the front of the self-loading and unloading conveying bed 1 to receive the information of the box-mounted Internet of Things and exchange information with the vehicle-mounted Internet of Things of the intelligent logistics vehicle 43. The self-loading and unloading conveying bed 1 intelligently operates under the control and management of the conveying bed control system. The length of the self-loading and unloading conveying bed 1 can be combined by a plurality of conveying units 1A according to the application scene. According to the application scene and the number of digital standard containers to be loaded and unloaded at the same time, 2-6 or more self-loading and unloading conveying beds 1 can be installed side by side for operation, or can be installed in a longitudinal direction to realize bidirectional loading and unloading. Figure 2 Figure 1

[0085] ​​​Preferably, the self-loading and unloading conveying bed 1 further comprises an adjustment and control mechanism 6Z installed above the longitudinal beam hole 6J of the front-end counterweight limiting mechanism 6A and below the center line of the fork body 63, which can control the camera angle to 120 degrees, so that the two intelligent platform forks 6 can accurately identify and align the loading and unloading slots at the bottom of the digital standard box or the compartment frame of the intelligent logistics vehicle, achieving accurate loading and unloading of the digital standard box. The two intelligent platform forks 6 can be adjusted left and right by a maximum of 300 mm in the same direction, or by a maximum of 600 mm in opposite directions, or a single intelligent platform fork 6 can be adjusted left and right by a maximum of 300 mm. Figure 4

[0086] Preferably, the self-loading and unloading conveying bed 1 further comprises an automatic box baffle composed of a baffle and a baffle electric cylinder. The baffle electric cylinder is installed on the basis of the front edge of the self-loading and unloading conveying bed 1, and the baffle is installed on the telescopic rod of the baffle electric cylinder in parallel with the front edge of the self-loading and unloading conveying bed 1. In the normal state, the baffle is below the working surface of the self-loading and unloading conveying bed 1 and does not affect other operations. Under the control and management of the conveying bed control system, when it is necessary to block the precise positioning of the digital standard box at the most forward position of the self-loading and unloading conveying bed 1 for easy loading onto the vehicle, the baffle automatically rises and falls after completing the task. Figure 8

[0087] Embodiment 4

[0088] As shown in Figure 1 , this embodiment provides a three-dimensional intelligent loading and unloading conveying bed system, which comprises the self-loading and unloading conveying bed 1 in embodiment 3 and a three-dimensional multi-directional conveying bed 2, a three-dimensional temporary storage rack 5, a freight platform 4, and an intelligent loading and unloading conveying bed control system. One side of the freight platform 4 is installed in parallel with the elevated track 41, and the freight platform 4 can be independently arranged or arranged at one end of the passenger platform 42. The self-loading and unloading conveying bed 1 is installed on the freight platform 4, with its front end parallel to the elevated track 41 and its rear end seamlessly connected to the three-dimensional multi-directional conveying bed 2, for loading and unloading the digital standard box of the intelligent logistics vehicle 43 on the elevated track 41. The three-dimensional temporary storage rack 5 spans above the self-loading and unloading conveying bed 1 and is installed on the freight platform 4 on both sides of the self-loading and unloading conveying bed 1, for temporarily storing the digital standard box to be shipped in three dimensions, improving the loading and unloading efficiency. The bottom ground of the three-dimensional multi-directional conveying bed 2 can be installed with the self-loading and unloading conveying bed 1 on the left side, or / and the right side, or the outer side, for loading and unloading the digital standard box of the ground logistics vehicle. Under the management and control of the intelligent loading and unloading conveying bed control system, the intelligent loading and unloading conveying bed system realizes unmanned and intelligent loading and unloading of the digital standard box.

[0089] ​​Further, the stereoscopic temporary storage shelf 5 in the embodiment includes door type lifting mechanisms 51, a lifting frame 52, suspension arms 53, and a suspension arm lifting machine control system. The two door type lifting mechanisms are mirror-symmetrically and vertically parallel installed on the base. The lifting frame 52 is installed on the two door type lifting mechanisms 51. The four suspension arms 53 are installed on the side beams 57 on the two sides of the lifting frame 52 and intelligently work under the control and management of the suspension arm lifting machine control system. As shown in FIG. Figure 3 Further, the lifting frame 52 in the embodiment is a frame structure connected by two parallel arranged side beams 57 and 2-6 or more horizontal beams 58 in the middle. The two ends of the two side beams 57 are respectively installed on the “convex” edges of the two self-lubricating sliding blocks 59. The self-lubricating sliding blocks 59 and the lifting frame 52 are pulled to run up and down under the control of the suspension arm lifting machine control system 5J.

[0090] Further, the door type lifting mechanism 51 in the embodiment includes a portal structure, a double winch wheel winch 5A, and self-lubricating sliding blocks 59. The portal structure is composed of two rectangular tube door columns 56 placed vertically and parallel on the same plane. The bottom of the portal structure is connected by a foot plate 54, and the top of the portal structure is connected by a rectangular tube door crossbeam 5D. Rectangular vertical slots are respectively formed on the outer sides of the two rectangular tube door columns 56. Two “convex” self-lubricating sliding blocks 59 are respectively installed in the two rectangular tube door columns 56 and are in the same size and cooperative self-lubricating installation with the inner cavities of the rectangular tubes. The “convex” edges of the two self-lubricating sliding blocks 59 are arranged in the rectangular vertical slots of the door columns 56 for installing the lifting frame 52. The double winch wheel winch 5A is installed in the rectangular tube of the door crossbeam 5D. Two winch wheels 5B are respectively arranged at the top of the two rectangular tube door columns 56. Steel wire ropes 5C on the two winch wheels are respectively installed on the two self-lubricating sliding blocks 59 to pull the self-lubricating sliding blocks 59 to run up and down freely. As shown in FIG. Figure 3 d;

[0091] Preferably, the door type lifting mechanism 51 further includes a moving mechanism 55. The wheel set and the servo motor of the moving mechanism are installed on the bottom surface of the foot plate 54. The wheel set is installed on the steel rail and runs under the control of the suspension arm lifting machine control system.

[0092] The suspension arms 53 are L-shaped load-bearing arms for grabbing and lifting digital standard containers. The four suspension arms 53 are installed on the side beams 57 on the two sides of the lifting frame 52 and are precisely aligned and grab the digital standard containers under the guidance of the image positioning instrument 5N installed on the horizontal beams 58 of the lifting frame 52. As shown in FIG. Figure 3The role of the stereoscopic temporary storage rack 5 is to lift the digital standard box of the to-be-shipped goods to the air above the self-loading and unloading conveying bed (1) to wait, and when the digital standard box of the to-be-unloaded goods is transmitted to the loading end by the self-loading and unloading conveying bed 1, the digital standard box on the stereoscopic temporary storage rack 5 is automatically placed on the self-loading and unloading conveying bed 1 and sent to the end of the shipped goods for loading, thereby improving the efficiency of unloading and loading.

[0093] Further, the stereoscopic multi-directional conveying bed 2 proposed in the embodiment includes an automatic elevator 3, a planar multi-directional conveying bed, and a stereoscopic multi-directional conveying bed control system; the planar multi-directional conveying bed is installed in the automatic elevator 3 and realizes the front-back, left-right, and up-down stereoscopic conveying of goods under the control of the stereoscopic multi-directional conveying bed control system.

[0094] The automatic elevator 3 includes an H steel column tower, a lifting mechanism 30, a supporting bed 36, a safety device 35, and an automatic elevator control system; the lifting mechanism 30 and the safety device 35 are installed in pairs on the H steel column tower, the supporting bed 36 is installed on the lifting mechanism 30, and the safety device 35 is installed on the wing plate of the H steel column and the sliding rail sleeve 34 of the supporting bed 36, further ensuring the safety of operation; under the unified scheduling of the intelligent loading and unloading conveying bed control system, the automatic elevator control system manages and controls the safe and efficient operation of the automatic elevator 3; as shown in Figure 1 and Figure 7 .

[0095] The H steel column tower is a rectangular stereoscopic structure composed of H steel columns, longitudinal beams 38, and transverse beams 37; the longitudinal two sides of the rectangular H steel column tower are respectively provided with 4 to 8 H steel columns, and the height thereof is equal to the height of the operation between the upper working position table top and the ground working position table top; the upper working position table top is parallel to the elevated rail freight platform 4 and is seamlessly connected thereto, and is used for loading and unloading the digital standard box of the intelligent logistics vehicle 43 on the elevated rail 41; taking 6 H steel columns as an example, the H steel columns are arranged at the four corners and the middle of the longitudinal two sides of the rectangular H steel column tower, and the top end of the H steel column 39 at the middle of one side is lower than the bottom surface of the freight platform 4 at the position where the platform is seamlessly connected to the elevated rail freight platform 4, and the remaining H steel columns are designed according to the conventional height, as shown in Figure 7 a and Figure 7 d.

[0096] The support bed 36 where the H steel column 39 is located in the docking station is connected to the sliding rail sleeve 34 by the support column connecting plate 3A installed on the edge of the bottom surface of the support bed 36, and the sliding rail sleeve 34 is installed on the H steel column 39 in the docking station of the platform, and the lifting mechanism 30 is installed on the H steel column 39 in the docking station of the platform, the support column connecting plate 3A and the sliding rail sleeve 34, when the support bed 36 is lifted to the same upper working position of the self-loading and unloading conveying bed 1 of the freight platform 4 with the automatic lift 3, the sliding rail sleeve 34 approaches the top end of the H steel column 39 in the docking station of the platform; preferably, the top and bottom of the H steel column are connected by the stable longitudinal beam 38 and the stable transverse beam 37 respectively to improve the structural strength and stability;

[0097] The support bed 36 is a rectangular frame structure with a multi-directional conveying bed installed on its upper surface, and the four corner parts and the two sides of the middle part of the support bed 36 are respectively provided with the sliding rail sleeve 34, which is a rectangular three-dimensional structure with a mounting port on one side and is sleeved in the inner side wing plate of the H steel column and can slide up and down freely; one side or both sides of the web of each H steel column are provided with a rack 31 which is matched with the output gear of the lifting mechanism 30;

[0098] The lifting mechanism 30 includes the rack 31, the self-locking gearbox 32, the lift servo motor 33, the fixed bottom plate and the motor synchronizer; the rack 31 is installed on one side or both sides of the web of each H steel column and is matched with the output gear of the self-locking gearbox 32 to realize unilateral or bilateral lifting drive; the self-locking gearbox 32 with the safety self-locking function is installed on the fixed bottom plate, so that the output gear of the self-locking gearbox 32 extending out of the gearbox body corresponds to the rack 31; the lift servo motor 33 is installed on the fixed bottom plate, and the output end of the lift servo motor 33 corresponds to the input end of the self-locking gearbox 32; the fixed bottom plate is installed on the sliding rail sleeve 34 and the frame of the support bed 36; the motor synchronizer ensures the high synchronism and coordinated safe operation of each lift servo motor 33 on the elevator 3;

[0099] Preferably, the rack lifting mechanism of the lifting mechanism 30 can be replaced by a steel wire rope and a winch mechanism.

[0100] The planar multi-directional conveying bed is composed of power conveying rollers and passive rolling balls, and the power conveying rollers and the passive rolling balls are installed at different positions and in different running directions of the support bed 36 according to different functional requirements; two rows of power conveying rollers are installed on the front and rear longitudinal edges of the support bed 36, and the running direction is perpendicular to the freight platform 4; two rows of power conveying rollers are installed on the left and right transverse edges of the support bed 36, and the running direction is parallel to the freight platform 4; in the middle part of the support bed 36, the power conveying rollers, the passive rolling balls and the running direction are evenly staggered to realize multi-directional conveying; the power conveying rollers can run in both forward and reverse directions.

[0101] The intelligent loading and unloading conveying bed system in the embodiment comprises the self-loading and unloading conveying bed 1, the three-dimensional multi-directional conveying bed 2, the three-dimensional temporary storage rack 5, the freight platform 4, and the intelligent loading and unloading conveying bed control system. One side of the freight platform 4 is installed in parallel with the elevated track 41, and the freight platform 4 can be independently arranged or arranged at one end of the passenger platform 42. One to six or more self-loading and unloading conveying beds 1 are installed on the elevated freight platform 4, the front end of which is parallel to the elevated track 41, and the rear end is parallel to the upper working position table surface of the three-dimensional multi-directional conveying bed 2 and is seamlessly connected, for loading and unloading of the digital standard box of the intelligent logistics vehicle 43 on the elevated track 41. One to six or more three-dimensional temporary storage racks 5 are arranged above the self-loading and unloading conveying bed 1 and are installed on the freight platform 4 on both sides of the self-loading and unloading conveying bed 1, for temporarily storing the digital standard box to be delivered to improve the loading and unloading efficiency. The three-dimensional multi-directional conveying bed 2 runs up and down between the upper working position table surface and the ground working position table surface. One to two or more self-loading and unloading conveying beds 1 are installed on the left side, or / and the right side, or / and the outer side of the ground working position table surface of the three-dimensional multi-directional conveying bed 2, for loading and unloading of the digital standard box of the ground logistics vehicle. Under the management and control of the intelligent loading and unloading conveying bed control system, the intelligent loading and unloading conveying bed system realizes unmanned intelligent and rapid and efficient loading and unloading of the digital standard box.

[0102] The embodiment also provides a running method of the intelligent loading and unloading conveying bed system, which is specifically as follows.

[0103] Step 1: The ground logistics vehicle loaded with the digital standard box arrives at the bottom left side, or / and the right side, or the outer side of the three-dimensional multi-directional conveying bed 2, on which the self-loading and unloading conveying bed 1 is installed, and is accurately parked according to the specified requirements, so that the digital standard box is basically aligned with the fork of the self-loading and unloading conveying bed 1.

[0104] Step 2: Under the comprehensive management of the intelligent loading and unloading conveying bed control system, the fork control system of the ground self-loading and unloading conveying bed 1 makes a group of track type forks 61 automatically rise, the horizontal adjustment mechanism 6F adjusts the fork to align with the forklift loading and unloading groove at the bottom of the digital standard box according to the image information of the adjustment and control mechanism 6Z, the track type fork 61 automatically inserts into the forklift loading and unloading groove at the bottom of the digital standard box, then the digital standard box is lifted, and the fork is retracted to put the digital standard box on the ground self-loading and unloading conveying bed 1.

[0105] Step 3: The ground conveying bed Internet of Things automatically receives the information of the box Internet of Things and exchanges information with the vehicle Internet of Things of the ground logistics vehicle. The ground conveying bed Internet of Things uploads the information of the digital standard box to the intelligent loading and unloading conveying bed control system.

[0106] Step 4 The ground self-loading and unloading conveying bed 1 starts the conveying unit 1A to transport the digital standard box to the three-dimensional multi-directional conveying bed 2, which, under the management of the intelligent loading and unloading conveying bed central management system, lifts the digital standard box upward to the position of the freight platform 4 and transports the digital standard box to the platform self-loading and unloading conveying bed 1;

[0107] Step 5 The digital standard box is conveyed to the position below the three-dimensional temporary storage shelf 5 on the platform self-loading and unloading conveying bed 1 under the guidance of the side guide plate, and under the management of the cantilever hoist control system, the moving mechanism of the door-type lifting mechanism 51 is started according to the information of the image positioning instrument 5N to automatically align the cantilever arm with the digital standard box, and the four cantilever arms are automatically synchronized to expand outward and descend to the bottom of the digital standard box to lift the digital standard box and hang it in the air to wait for loading;

[0108] Other digital standard boxes to be shipped are sequentially hung on the multiple three-dimensional temporary storage shelves 5 according to steps 1-5;

[0109] Step 6 The intelligent logistics vehicle 43 on the elevated track 41 reaches the freight platform 4 and is accurately positioned to stop, so that the digital standard box is basically aligned with the forks of the self-loading and unloading conveying bed 1;

[0110] Step 7 Under the comprehensive management of the intelligent loading and unloading conveying bed control system, the forks control system of the platform self-loading and unloading conveying bed 1 automatically lifts a group of track-type forks 61, the lateral adjustment mechanism 6F adjusts the alignment of the fork loading and unloading slot at the bottom of the digital standard box according to the image information of the adjustment and control mechanism 6Z, the track-type forks 61 are automatically inserted into the fork loading and unloading slot at the bottom of the digital standard box, then the digital standard box is lifted, and the forks are retracted to place the digital standard box on the platform self-loading and unloading conveying bed 1;

[0111] Step 8 The platform conveying bed Internet of Things automatically receives the information of the box-mounted Internet of Things and exchanges information with the vehicle-mounted Internet of Things of the intelligent logistics vehicle 43, and the platform conveying bed Internet of Things uploads the information of the digital standard box to the intelligent loading and unloading conveying bed control system;

[0112] Step 9 The platform self-loading and unloading conveying bed 1 starts the conveying unit 1A to transport the digital standard box to the three-dimensional multi-directional conveying bed 2, which, under the management of the intelligent loading and unloading conveying bed central management system, transports the digital standard box downward to the position of the ground self-loading and unloading conveying bed 1 and transports the digital standard box to the ground self-loading and unloading conveying bed 1, and the baffle 25 of the automatic box baffle 26 on the ground self-loading and unloading conveying bed 1 is automatically lifted, and the digital standard box is conveyed to the position of the baffle 25 on the ground self-loading and unloading conveying bed 1;

[0113] Step 10 The fork control system of the ground self-loading and unloading conveying bed 1 automatically lifts the digital standard box by a set of rail type forks 61, the baffle 25 automatically falls down to restore to the original position, the lateral adjustment mechanism 6F adjusts the alignment of the forks to the edge of the carriage of the ground logistics vehicle and the loading position according to the image information of the adjustment and control mechanism 6Z, loads the digital standard box into the vehicle, and the rail type forks 61 automatically retreat to the original position on the ground self-loading and unloading conveying bed 1, completing a loading cycle.

[0114] Step 11 After the digital standard box in the intelligent logistics vehicle 43 is unloaded onto the platform self-loading and unloading conveying bed 1 and conveyed away, the to-be-shipped digital standard box on the three-dimensional temporary storage shelf 5 is immediately automatically lowered onto the platform self-loading and unloading conveying bed 1, the baffle 25 of the automatic box baffle 26 on the platform self-loading and unloading conveying bed 1 is automatically lifted, and the digital standard box is conveyed to the position of the baffle 25 on the platform self-loading and unloading conveying bed 1.

[0115] Step 12 The fork control system of the platform self-loading and unloading conveying bed 1 automatically lifts the digital standard box by a set of rail type forks 61, the baffle 25 automatically falls down to restore to the original position, the lateral adjustment mechanism 6F adjusts the alignment of the forks to the edge of the carriage of the intelligent logistics vehicle 43 and the loading position according to the image information of the adjustment and control mechanism 6Z, loads the digital standard box into the vehicle, and the rail type forks 61 automatically retreat to the original position on the platform self-loading and unloading conveying bed 1, completing a loading cycle.

[0116] Embodiment 5

[0117] The embodiment also provides a ground platform intelligent loading and unloading conveying bed system, which comprises a self-loading and unloading conveying bed 1, a three-dimensional temporary storage shelf 5, a freight platform 4, and an intelligent loading and unloading conveying bed control system; the freight platform 4 is arranged on the ground; the self-loading and unloading conveying bed 1 is installed on the freight platform 4 and arranged in parallel with the rail 41 on one side; the three-dimensional temporary storage shelf 5 is installed on the freight platform 4 and located above the self-loading and unloading conveying bed 1; as shown in Figure 8 ;

[0118] The difference between the embodiment and embodiment 4 is that the embodiment is directly installed on the ground, and the multi-directional conveying bed 2 and the automatic elevator 3 in embodiment 4 are cancelled; the structures of the self-loading and unloading conveying bed 1, the three-dimensional temporary storage shelf 5, and the freight platform 4 are completely the same as those in embodiment 1, and thus are not described here.

[0119] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An intelligent platform fork, characterized in that: It includes a track-type fork, a fork support mechanism, a T-type track, a lateral adjustment mechanism, a fork drive mechanism and a fork control system; the lateral adjustment mechanism is installed on the base, the fork support mechanism is installed on the lateral adjustment mechanism, the T-type track is installed on the fork support mechanism, the track-type fork is installed on the fork support mechanism and the T-type track, and the fork drive mechanism is installed on the fork support mechanism and the track-type fork, and performs synchronous intelligent operation under the control of the fork control system; the lateral adjustment mechanism drives the intelligent platform fork as a whole to adjust horizontally left and right in the width direction of the track-type fork, the fork drive mechanism drives the track-type fork to move horizontally forward and backward along the T-type track in the length direction of the track-type fork, and the fork support mechanism drives the track-type fork to move up and down; The fork support mechanism includes a limit buffer mechanism, a counterweight limit structure, a longitudinal beam, a support roller and a lifting electric cylinder; the limit buffer mechanism and the counterweight limit mechanism are vertically mounted on the base plate in a mirror-symmetrical manner on the same horizontal plane, and the two ends of the longitudinal beam are respectively mounted in the longitudinal beam holes of the counterweight limit mechanism and the limit buffer mechanism. A plurality of lifting electric cylinders are longitudinally mounted between the bottom surface of the longitudinal beam and the upper surface of the base plate, and the support rollers are mounted on the upper surface of the front end of the longitudinal beam and the lower surface of the fork body. The support roller includes a grooved guide roller, a bearing bracket and a mounting plate; the grooved guide roller is a roller structure with flanges at both ends, and the flanges at both ends are clamped on both sides of the fork body to play a stable guiding role. A bearing bracket is arranged on each side of the mounting plate, and the shafts at both ends of the grooved guide roller are installed in the left and right bearing brackets.

2. The intelligent platform fork according to claim 1, characterized in that: The track-type cargo fork includes a track groove fork tail, a fork body and a fork tip. The track groove fork tail, the fork body and the fork tip are connected in sequence to form an "L-shaped" structure. The rectangular track groove fork tail is the short side of the "L-shaped" structure, the flat fork body is the long side of the "L-shaped" structure, and the upper end surface of one end surface of the track groove fork tail is horizontally and vertically connected to the fork body.

3. The intelligent platform fork according to claim 2, characterized in that: The lower part of the track groove fork tail is a T-shaped track groove structure, and the notch of the T-shaped track groove structure faces downward. The T-shaped track groove is installed on the T-shaped track and is dynamically and precisely matched with the T-shaped track. The fork tip is in the shape of a flat tongue, with a horizontal upper surface and a fork tip wedge surface with an inclination angle of 1-25 degrees on the lower surface. A slider or a plurality of groove bottom bearings are installed in the bottom of the T-shaped track groove of the track groove fork tail, and the slider or a plurality of groove bottom bearings are freely moved forward and backward on the T-shaped track after being lubricated.

4. The intelligent platform fork according to claim 1, characterized in that: The lateral adjustment mechanism includes a dovetail groove, a dovetail groove rail, a base plate and a lateral adjustment electric cylinder. Multiple dovetail grooves are arranged longitudinally and parallel and installed on the same basic plane. Limit plates are provided at both ends of the dovetail groove. A dovetail groove rail is installed in each dovetail groove. The dovetail groove rail slides freely between the limit plates at both ends of the dovetail groove. The upper surface of each dovetail groove rail is on the same horizontal plane. The base plate is a long rectangular plate structure installed on the upper surface of each dovetail groove rail to form an integral structure. At least 2 lateral adjustment electric cylinders are installed on the basic plane. The driving rod of each lateral adjustment electric cylinder is connected to the lower surface of the base plate, driving the lateral adjustment mechanism and driving the track-type fork to adjust 50-300mm to the left and right.

5. The intelligent platform fork according to claim 1, characterized in that: The counterweight limiting mechanism is composed of a rectangular cylinder body, a rectangular piston plate, a heavy spring and a longitudinal beam hole. A rectangular piston plate is installed in the rectangular cylinder body, and the longitudinal beam hole is provided at the upper end of the rectangular piston plate. The lower end of the heavy spring of the counterweight limiting mechanism is fixedly mounted on the bottom surface of the rectangular cylinder body, and the upper end is fixedly mounted on the bottom of the rectangular piston plate. The structural configuration and principle of the limiting buffer mechanism are consistent with those of the counterweight limiting mechanism. The only difference is that the upper end of the heavy spring is not fixedly mounted on the bottom surface of the rectangular piston plate. The rectangular cylinder is a self-lubricating rectangular cylinder with a closed bottom and four sealed edges on the upper opening. A rectangular piston plate is installed inside the cylinder. The sealing cover and the rectangular piston plate are dynamically and precisely matched to allow the rectangular piston plate to move freely up and down. The rectangular piston plate is a rectangular three-dimensional structure, with a longitudinal beam hole on the upper part and a rectangular piston body on the bottom. The rectangular piston body and the inner cavity of the rectangular cylinder are dynamically and precisely installed, so that the rectangular piston body can move freely up and down in the rectangular cylinder body. The upper part of the rectangular piston plate and the upper cover of the rectangular cylinder body are dynamically installed to achieve free up and down sliding.

6. The intelligent platform fork according to claim 2, characterized in that: The fork drive mechanism includes a fork motor, a motor gear, a working gear set, and a rack. The working gear set is on the same plane with the transmission gear as the center, and a working gear with the same diameter is installed on each side of the left and right sides. The diameter of the transmission gear is smaller than the working gear. The installation axes of the three gears are on the same line. A group of working gear sets are installed on the center lines of the left and right side surfaces of the longitudinal beam in a mirror-symmetrical manner; a motor gear is symmetrically installed on each end of the fork motor shaft, and the fork motor is installed transversely on either side of the center position of the bottom surface of the longitudinal beam, and the motor gears at both ends are respectively installed in mesh with a pair of working gears; a rack is longitudinally installed on both sides of the track groove fork tail of the track type fork, and the two racks are respectively installed in mesh with the two working gears of the working gear set on each side of the longitudinal beam. Under the control of the fork control system, the track type fork moves back and forth to load and unload digital standard cargo boxes; The intelligent platform fork also includes a limiter, which is installed at the front and rear ends of the T-track. When the fork tail in the track groove runs to the limiter position under the drive of the fork drive mechanism, it immediately stops running and positions itself. At the same time, the fork control system controls the lifting electric cylinder to drive the intelligent platform fork to fall back to its initial lowest position.

7. A self-loading and unloading conveyor bed, characterized in that: It includes the intelligent platform forks, conveying units, conveyor bed Internet of Things and conveyor bed control system described in any one of claims 1-6, each two intelligent platform forks form a group and are installed parallel and symmetrically on the basis, and their parallel spacing is the standard distance of the digital standard container forklift loading and unloading slots, and conveying units are arranged on both sides and in the middle of a group of intelligent platform forks; the conveyor bed Internet of Things is installed at the front of the self-loading and unloading conveyor bed for receiving information from the container-borne Internet of Things and exchanging information with the vehicle-borne Internet of Things of the intelligent logistics vehicle; the self-loading and unloading conveyor bed operates intelligently under the control and management of the conveyor bed control system.

8. The self-loading and unloading conveyor bed according to claim 7, characterized in that: The system also includes adjusting the measurement and control mechanism, which is installed above the longitudinal beam hole of the front counterweight limit mechanism and below the centerline of the fork body. The adjustment of the measurement and control mechanism can control the camera angle to 120 degrees, and can accurately identify and align the forklift loading and unloading slot at the bottom of the digital standard cargo box or the carriage frame position of the intelligent logistics vehicle to achieve accurate loading and unloading of the digital standard cargo box; it can make two intelligent platform forks adjust horizontally in the same direction to the left and right by a maximum of 300mm, or adjust them in opposite directions to the left and right by a maximum of 600mm, or a single intelligent platform fork can be adjusted left and right by a maximum of 300mm; The self-loading and unloading conveyor bed also includes an automatic box baffle, which is composed of a baffle and a baffle electric cylinder. The baffle electric cylinder is installed on the basis of the front side of the self-loading and unloading conveyor bed. The baffle is installed on the telescopic rod of the baffle electric cylinder in parallel with the front edge of the self-loading and unloading conveyor bed. In the normal state, the baffle is located below the working surface of the self-loading and unloading conveyor bed and does not affect other operations. Under the control and management of the conveyor bed control system, when it is necessary to block the accurately positioned digital standard cargo box at the forefront position of the self-loading and unloading conveyor bed for loading, the baffle automatically rises and automatically falls after completing the task.

9. An intelligent loading and unloading conveyor bed system, characterized in that: It includes the self-loading and unloading conveyor bed, three-dimensional multi-directional conveyor bed, three-dimensional temporary storage shelf, freight platform and intelligent loading and unloading conveyor bed control system described in any one of claims 7-8; the freight platform is installed parallel to the elevated track, and multiple self-loading and unloading conveyor beds are installed on the elevated freight platform, with their front-end intelligent platform forks perpendicular to the elevated track, and the rear end seamlessly connected to the three-dimensional multi-directional conveyor bed on the same working plane; multiple three-dimensional temporary storage shelves span the top of the self-loading and unloading conveyor bed and are installed on the freight platforms on both sides of the self-loading and unloading conveyor bed; the three-dimensional multi-directional conveyor bed runs up and down between the upper elevated freight platform working plane and the ground working plane, and multiple self-loading and unloading conveyor beds can be installed on the left side, or / and right side, or outer side of its ground working plane for loading and unloading digital standard cargo boxes; the intelligent loading and unloading conveyor bed system realizes unmanned, intelligent and efficient loading and unloading of digital standard cargo boxes under the management and control of the intelligent loading and unloading conveyor bed control system.

10. The intelligent loading and unloading conveyor bed system according to claim 9, characterized in that: The three-dimensional temporary storage shelf includes a door-type lifting mechanism, a lifting frame, a suspension arm and a cantilever lift control system. A door-type lifting mechanism on each side is installed on the basis in a mirror-symmetrical and vertical manner. The lifting frame is installed on the two door-type lifting mechanisms. Four suspension arms form a group, and multiple groups of suspension arms are installed on the side beams on both sides of the lifting frame. They operate intelligently under the control and management of the cantilever lift control system.

11. The intelligent loading and unloading conveyor bed system according to claim 10, characterized in that: The gantry lifting mechanism includes a gantry structure, a double winch winch and a self-lubricating slider, the gantry structure consists of two rectangular tube door posts placed vertically and parallel to each other on the same plane, the bottom of which is connected by a foot plate, and the top is connected by a rectangular tube door beam; rectangular vertical slots are respectively opened on the upper sides of the outer sides of the two rectangular tube door posts, and two "convex" self-lubricating sliders are respectively installed in the rectangular tubes of the two door posts, and are self-lubricated and installed in accordance with the size of the inner cavity of the rectangular tube, and the "convex" edges of the two self-lubricating sliders are arranged in the rectangular vertical slots of the door posts for installing the lifting frame; the double winch winch is installed in the rectangular tube of the door beam, the two winch wheels are respectively arranged at the top of the rectangular tubes of the two door posts, and the steel wire ropes on the two winch wheels are respectively installed on the two self-lubricating sliders, pulling the self-lubricating sliders to move freely up and down; the gantry lifting mechanism also includes a moving mechanism, the wheel group and servo motor of the moving mechanism are installed on the bottom surface of the foot plate, the wheel group is installed on the rail, and operates under the control of the cantilever hoist control system; The lifting frame is a frame structure composed of two parallel side beams connected by multiple cross beams in the middle; the two ends of the two side beams are respectively installed on the "convex" edges of two self-lubricating sliders, which are controlled by the cantilever hoist control system to pull the self-lubricating sliders and the lifting frame up and down; The suspension arms form a group of four, and multiple groups of suspension arms are installed on the side beams on both sides of the lifting frame. They are accurately aligned and grab the digital standard cargo box under the guidance of the image locator installed on the cross beam of the lifting frame.

12. The intelligent loading and unloading conveyor bed system according to claim 9, characterized in that: The three-dimensional multi-directional conveyor bed comprises an automatic elevator, a multi-directional conveyor bed and a three-dimensional multi-directional conveyor bed control system; the multi-directional conveyor bed is installed in the automatic elevator, and under the control of the three-dimensional multi-directional conveyor bed control system, the goods can be transported three-dimensionally in the front, back, left, right, up and down directions.

13. The intelligent loading and unloading conveyor bed system according to claim 12, characterized in that: The automatic elevator comprises an H-steel column tower, a lifting mechanism, a support bed and an automatic elevator control system. The lifting mechanism is mounted on the H-steel column tower, and the support bed is mounted on the lifting mechanism. Under the unified dispatch of the intelligent loading and unloading conveyor bed control system, the automatic elevator control system manages and controls the safe operation of the automatic elevator. The H-steel column tower is a rectangular three-dimensional structure composed of H-steel columns, longitudinal beams and transverse beams. At least six H-steel columns are respectively provided on both longitudinal sides of the rectangular H-steel column tower. The height of each H-steel column is greater than the height of the elevated rail freight platform. The multiple H-steel columns are respectively arranged at the four corners and the middle of both longitudinal sides of the rectangular H-steel column tower. The top and bottom of the H-steel columns are respectively connected by longitudinal beams and transverse beams to improve structural strength and stability. The top of the H-steel column in the platform docking in the middle of one side is lower than the bottom surface of the freight platform. The lifting mechanism includes a rack, a self-locking gearbox, an elevator servo motor, a fixed base plate, a sliding rail sleeve and a motor synchronizer; the rack is installed on one or both sides of the web of each H-steel column and matches the output gear of the self-locking gearbox, so as to realize single-sided or double-sided lifting drive; the sliding rail sleeve is a rectangular three-dimensional structure sleeve with a mounting opening on one side, which slides freely up and down inside the inner wing plate of the H-steel column; the fixed base plate is installed on the side panel of the sliding rail sleeve and the frame of the support bed; the self-locking gearbox with a brake safety self-locking is installed on the fixed base plate, so that the output gear of the self-locking gearbox is installed corresponding to the rack, the elevator servo motor is installed on the fixed base plate, and its output end shaft is connected to the input end shaft of the self-locking gearbox. The motor synchronizer ensures the high synchronization and coordinated safe operation of each elevator servo motor on the elevator; The lifting mechanism on the H-steel column in the platform docking is equipped with a support connecting plate on the outer edge of the sliding rail sleeve waist plate and the fixed bottom plate, and the top of the support connecting plate is installed at the lower part of the inner middle frame of the support bed, so that the lifting mechanism on the H-steel column in the platform docking runs below the ground of the freight platform, ensuring that the three-dimensional multi-directional conveyor bed and the self-loading and unloading conveyor bed on the freight platform are seamlessly connected on the same working plane; The support bed is a rectangular frame structure with a multi-directional conveyor bed installed on its upper surface. The frames at the four corners of the support bed and the middle parts of the longitudinal sides corresponding to the positions of multiple H-steel columns are respectively installed on the waist plate of the sliding rail sleeve of the lifting mechanism.

14. The intelligent loading and unloading conveyor bed system according to claim 12, characterized in that: The multi-directional conveying bed is composed of powered conveying rollers and passive rolling balls, which are installed at different positions and in different running directions of the cradle of the automatic elevator according to different functional requirements. Two rows of powered conveying rollers are respectively installed on the front and rear longitudinal edges of the cradle, and the running direction is perpendicular to the freight platform; two rows of powered conveying rollers are respectively installed on the left and right transverse edges of the cradle, and the running direction is parallel to the freight platform; in the middle of the cradle, the powered conveying rollers and passive rolling balls are staggered and the running directions are evenly staggered to achieve multi-directional conveying; the powered conveying rollers can operate in both forward and reverse directions.

15. The method for operating the intelligent loading and unloading conveyor bed system according to any one of claims 9 to 14, characterized in that: as follows: (1) A ground logistics vehicle loaded with a digital standard container arrives at the bottom left side, or / and right side, or the self-loading and unloading conveyor bed installed on the outer side of the three-dimensional multi-directional conveyor bed, and stops accurately according to the specified requirements so that the digital standard container is basically aligned with the fork of the self-loading and unloading conveyor bed; (2) Under the comprehensive management of the intelligent loading and unloading conveyor bed control system, the fork control system of the ground self-loading and unloading conveyor bed automatically raises a set of rail-type forks, and the lateral adjustment mechanism adjusts the forks to align with the forklift loading and unloading slots at the bottom of the digital standard cargo box according to the image information of the adjustment measurement and control mechanism. The rail-type forks automatically insert into the forklift loading and unloading slots at the bottom of the digital standard cargo box, and then the digital standard cargo box is raised. The forks return and place the digital standard cargo box on the ground self-loading and unloading conveyor bed; (3) The ground conveyor bed IoT automatically receives information from the box-mounted IoT and exchanges information with the vehicle-mounted IoT of the ground logistics vehicle. The ground conveyor bed IoT uploads the information of the digital standard container to the intelligent loading and unloading conveyor bed control system; (4) The ground self-loading and unloading conveyor bed starts the conveying unit to transport the digital standard cargo box to the three-dimensional multi-directional conveyor bed. Under the management of the intelligent loading and unloading conveyor bed control system, the three-dimensional multi-directional conveyor bed lifts the digital standard cargo box upward to the freight platform position and transports the digital standard cargo box to the platform self-loading and unloading conveyor bed; (5) The digital standard cargo box is guided and positioned by the side guide plate on the platform self-loading and unloading conveyor bed and transported to the bottom of the three-dimensional temporary storage shelf. Under the management of the cantilever hoist control system, the moving mechanism of the door-type lifting mechanism is started according to the information of the image locator, and the suspension arm is automatically aligned with the digital standard cargo box. The four suspension arms automatically and synchronously expand outward and descend to the bottom of the digital standard cargo box, and the digital standard cargo box is lifted and hung in the air to wait for loading; Other digital standard containers to be shipped are sequentially hung on multiple three-dimensional temporary storage shelves according to steps (1) to (5); (6) The intelligent logistics vehicle on the elevated track arrives at the freight platform and stops at a precise location so that the digital standard cargo box is basically aligned with the fork of the self-loading and unloading conveyor bed; (7) Under the comprehensive management of the intelligent loading and unloading conveyor bed control system, the fork control system of the platform self-loading and unloading conveyor bed automatically raises a set of rail-type forks, and the lateral adjustment mechanism adjusts the forks to align with the forklift loading and unloading slots at the bottom of the digital standard cargo box according to the image information of the adjustment measurement and control mechanism. The rail-type forks automatically insert into the forklift loading and unloading slots at the bottom of the digital standard cargo box, and then the digital standard cargo box is raised. The forks return and place the digital standard cargo box on the platform self-loading and unloading conveyor bed; (8) The platform conveyor bed IoT automatically receives information from the container-mounted IoT and exchanges information with the vehicle-mounted IoT of the intelligent logistics vehicle. The platform conveyor bed IoT uploads the information of the digital standard cargo box to the intelligent loading and unloading conveyor bed control system; (9) The platform self-loading and unloading conveyor bed starts the conveying unit to transport the digital standard cargo box to the three-dimensional multi-directional conveyor bed. Under the management of the intelligent loading and unloading conveyor bed control system, the three-dimensional multi-directional conveyor bed transports the digital standard cargo box downward to the position of the ground self-loading and unloading conveyor bed, and transports the digital standard cargo box to the ground self-loading and unloading conveyor bed. The baffle of the automatic box baffle on the ground self-loading and unloading conveyor bed automatically rises, and the digital standard cargo box is transported to the baffle position on the ground self-loading and unloading conveyor bed; (10) The fork control system of the ground self-loading and unloading conveyor bed enables a set of rail-type forks to automatically lift the digital standard cargo box, and the baffle automatically falls back to its original position. The lateral adjustment mechanism adjusts the forks to align with the edge of the carriage and the loading position of the ground logistics vehicle according to the image information of the adjustment measurement and control mechanism, and the digital standard cargo box is loaded into the vehicle. The rail-type forks automatically return to their original position on the ground self-loading and unloading conveyor bed, completing a unloading cycle; (11) After the digital standard cargo boxes in the intelligent logistics vehicle are unloaded onto the platform's self-loading and unloading conveyor bed and transported away, the digital standard cargo boxes to be shipped on the three-dimensional temporary storage shelves are immediately automatically lowered onto the platform's self-loading and unloading conveyor bed, and the baffle of the automatic box baffle on the platform's self-loading and unloading conveyor bed automatically rises, and the digital standard cargo boxes are transported to the baffle position on the platform's self-loading and unloading conveyor bed; (12) The fork control system of the platform's self-loading and unloading conveyor bed enables a set of rail-type forks to automatically lift the digital standard cargo box, and the baffle automatically falls back to its original position. The lateral adjustment mechanism adjusts the forks to align with the edge of the intelligent logistics vehicle's carriage and the loading position based on the image information of the measurement and control mechanism, and loads the digital standard cargo box into the vehicle. The rail-type forks automatically return to their original position on the platform's self-loading and unloading conveyor bed, completing an outbound delivery cycle.

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