Automatic loading and unloading system, automatic loading method and automatic unloading method

Abstract

The present application relates to an automatic loading and unloading system, an automatic loading method and an automatic unloading method, and belongs to the technical field of logistics systems. The automatic loading and unloading system includes a cargo carrying plate, a submerged transfer device, a traction loading and unloading operation device and a flexible conveyor line. The cargo carrying plate is used to be laid on the bottom plate of the truck compartment. The traction loading and unloading operation device is located between the submerged transfer device and the flexible conveyor line. The traction loading and unloading operation device is respectively connected to the front end of the submerged transfer device and the flexible conveyor line. The traction loading and unloading operation device can tow the submerged transfer device and the flexible conveyor line to move in the front and rear directions. The submerged transfer device, the traction loading and unloading operation device and the flexible conveyor line can realize cargo transfer. The automatic loading and unloading system can realize automatic loading and unloading of goods, save labor and time, and reduce logistics costs.

Description

Technical Field

[0001] The present application relates to the technical field of logistics systems, and in particular to an automatic loading and unloading system, an automatic loading method and an automatic unloading method. Background Art

[0002] At present, in the express delivery industry, loading and unloading of goods are all done manually with telescopic cranes. For the express delivery industry, large-scale logistics can only be done by manpower with forklifts, which makes loading and unloading of goods inconvenient. It takes 3-5 hours to load and unload each vehicle. The existing loading and unloading system has a long turnover time, occupies a large area, and has high logistics costs. Summary of the invention

[0003] The purpose of the present application is to provide an automatic loading and unloading system, which can realize automatic loading and unloading of goods, save labor and time, and reduce logistics costs.

[0004] Another object of the present application is to provide an automatic loading method to achieve rapid loading of goods and improve loading efficiency.

[0005] Another object of the present application is to provide an automatic unloading method to achieve rapid unloading of goods and improve unloading efficiency.

[0006] This application is achieved through the following technical solutions:

[0007] The present application provides an automatic loading and unloading vehicle system, including a cargo carrying plate, a submerged transfer device, a traction loading and unloading operation device and a flexible conveyor line. The cargo carrying plate is used to be laid on the bottom plate of the truck compartment. The traction loading and unloading operation device is located between the submerged transfer device and the flexible conveyor line. The traction loading and unloading operation device is respectively connected to the front ends of the submerged transfer device and the flexible conveyor line. The traction loading and unloading operation device can tow the submerged transfer device and the flexible conveyor line to move in the front and rear directions. The submerged transfer device, the traction loading and unloading operation device and the flexible conveyor line can realize cargo transfer.

[0008] The automatic loading and unloading system can realize the traction and drive of the loading and unloading operation equipment to move the traction submerged transfer equipment and the flexible conveyor line in the front and rear directions to load and unload goods at different positions in the carriage. The automatic loading and unloading system can realize the automatic loading and unloading of goods, saving labor and time, and reducing logistics costs.

[0009] In one embodiment of the present application, a groove for accommodating a submersible transfer device is provided on the cargo carrying plate, the groove extending in the front-to-back direction, and the submersible transfer device can move along the groove under the traction of the traction loading and unloading operation equipment.

[0010] In the above embodiment, the submersible transfer device can be arranged in the groove to facilitate walking in the carriage.

[0011] In one embodiment of the present application, a plurality of grooves are provided on the cargo carrying plate, and the plurality of grooves are spaced apart in the left-right direction.

[0012] In the above embodiment, the provision of a plurality of grooves can realize the configuration of a plurality of submersible transfer devices, thereby ensuring the transportation of goods in the left-right direction in the carriage.

[0013] In one embodiment of the present application, the submersible transfer equipment includes a base, a first longitudinal conveying mechanism and a first lifting mechanism. The first longitudinal conveying mechanism and the first lifting mechanism are arranged on the base. The first longitudinal conveying mechanism is used to transport goods in the front and rear directions, and the first lifting mechanism is used to drive the first longitudinal conveying mechanism to rise and fall.

[0014] In the above embodiment, the first longitudinal conveying mechanism can convey the goods in the front-rear direction, and the first lifting mechanism can drive the first longitudinal conveying mechanism to rise, so that the first longitudinal conveying mechanism carries the goods.

[0015] In one embodiment of the present application, the submersible transfer equipment also includes a transverse conveying mechanism and a second lifting mechanism. The transverse conveying mechanism and the second lifting mechanism are arranged on a base. The transverse conveying mechanism is used to convey or guide the goods in the left and right directions, and the second lifting mechanism is used to drive the transverse conveying mechanism to rise and fall.

[0016] In the above embodiment, the setting of the transverse conveying mechanism facilitates the transverse conveying or guiding of the goods, is suitable for the conveying of goods at different positions, and improves the flexibility of cargo transportation; the second lifting mechanism can drive the transverse conveying mechanism to rise to carry the goods, or drive the transverse conveying mechanism to embed into the groove to unload the goods.

[0017] In one embodiment of the present application, the transverse conveying mechanism includes a support frame and a guide wheel, the guide wheel is mounted on the support frame, and the axis of the guide wheel is arranged along the front-rear direction.

[0018] In the above embodiment, the support frame is used to position and install the guide wheel, and the guide wheel can rotate relative to the support frame to facilitate the left-right movement of the goods.

[0019] In one embodiment of the present application, the submersible transfer device further includes a support wheel, which is mounted on the base, and the submersible transfer device contacts the bottom of the groove through the support wheel.

[0020] In the above embodiment, the supporting wheels are arranged so that the base can move flexibly under the traction of the traction loading and unloading operation equipment.

[0021] In one embodiment of the present application, the traction and loading and unloading operation equipment includes a traveling chassis and a second longitudinal conveying mechanism, the second longitudinal conveying mechanism is arranged on the traveling chassis, the second longitudinal conveying mechanism is used to transport goods in the front and rear directions and can be docked with the first longitudinal conveying mechanism.

[0022] In the above embodiment, the movement of the traction and loading and unloading equipment can be achieved through the walking chassis, and the goods can be transported in the front and rear directions through the second longitudinal conveying equipment and can be docked with the first longitudinal conveying mechanism, so as to realize the transfer of goods between the submerged transfer equipment and the traction and loading and unloading equipment.

[0023] In one embodiment of the present application, the traction and loading and unloading operation equipment further includes a transverse adjustment mechanism, which is disposed on the walking chassis and is used to adjust the position of the second longitudinal conveying mechanism in the left-right direction.

[0024] In the above embodiment, the lateral adjustment mechanism can realize the position adjustment of the second longitudinal conveying mechanism in the left-right direction, so that the second longitudinal conveying mechanism can be accurately docked with the first longitudinal conveying mechanism, thereby improving the accuracy of cargo transfer.

[0025] In one embodiment of the present application, the rear end of the flexible conveyor line is used to dock with the fixed conveyor line, the flexible conveyor line is used to transfer goods between the fixed conveyor line and the traction and loading and unloading equipment, and the working length of the flexible conveyor line can adapt to the change in the distance between the traction and loading and unloading equipment and the fixed conveyor line.

[0026] In the above embodiment, the working length of the flexible conveyor line can be changed according to the distance between the traction and loading and unloading operation equipment and the fixed conveyor line to ensure that the goods can be transferred between the fixed conveyor line and the traction and loading and unloading operation equipment.

[0027] In one embodiment of the present application, the automatic loading and unloading system further includes a lifting platform, the lifting platform is located between the truck compartment and the fixed conveyor line, and the flexible conveyor line is arranged on the lifting platform.

[0028] In the above embodiment, because there is a height difference between the floor of the logistics truck and the platform surface, a lifting platform is used to ensure that the top surface of the lifting platform is flush with the bottom surface of the truck compartment (the surface of the cargo loading plate) so that the traction and loading and unloading equipment can enter and exit the truck compartment smoothly.

[0029] In one embodiment of the present application, at least two submersible transfer devices are provided, and each submersible transfer device corresponds to a groove.

[0030] In the above embodiment, at least two submersible transfer devices are provided so that the cargo can be carried by the at least two submersible transfer devices, thereby ensuring stable cargo transportation.

[0031] The present application also provides an automatic loading method, using the above-mentioned automatic loading and unloading system, the automatic loading method includes:

[0032] Preparation before loading: Lay the cargo carrying plate on the floor of the truck compartment, connect the rear end of the submerged transfer equipment with the front end of the traction loading and unloading equipment, connect the rear end of the traction loading and unloading equipment with the front end of the flexible conveyor line, and connect the rear end of the flexible conveyor line with the fixed conveyor line;

[0033] Cargo transfer: Cargo is transferred to the fixed conveyor line, and then transported to the flexible conveyor line via the fixed conveyor line. The traction and loading and unloading equipment pulls the submerged transfer equipment and the flexible conveyor line to move in the front-to-back direction. Following the traction and loading and unloading equipment, the working length of the flexible conveyor line is adjusted, and the flexible conveyor line transports the cargo to the traction and loading and unloading equipment.

[0034] Loading cargo: When the submersible transfer equipment moves to the loading position, the traction and loading and unloading equipment stops traction, the submersible transfer equipment rises and docks with the traction and loading and unloading equipment. After the cargo is transferred from the traction and loading and unloading equipment to the submersible transfer equipment, the submersible transfer equipment is lowered to allow the cargo to fall onto the cargo loading plate, completing the loading of cargo.

[0035] The automatic loading method adopts the above-mentioned automatic loading and unloading system and can realize automatic loading of goods through the above-mentioned steps, thereby improving loading efficiency, saving manpower and time, and reducing logistics costs.

[0036] In one embodiment of the present application, during the cargo loading step, the position of the cargo in the compartment is adjusted in the left-right direction by a submersible transfer device.

[0037] In the above-mentioned embodiment, the cargo is adjusted in the left-right direction by the submersible transfer equipment so as to move the cargo to a position beside the loading line, thereby realizing a reasonable layout of the cargo.

[0038] The present application also provides an automatic unloading method, which uses the above-mentioned automatic loading and unloading system, the automatic unloading method:

[0039] Preparation before unloading: connect the rear end of the submersible transfer equipment with the front end of the traction loading and unloading equipment, connect the rear end of the traction loading and unloading equipment with the front end of the flexible conveyor line, and connect the rear end of the flexible conveyor line with the fixed conveyor line;

[0040] Cargo unloading: The traction and loading and unloading equipment pulls the submersible transfer equipment and the flexible conveyor line to move in the front and rear directions. When the submersible transfer equipment moves to the bottom of the cargo, the traction and loading and unloading equipment stops traction, and the submersible transfer equipment rises and lifts the cargo. The cargo is moved to the fixed conveyor line in turn through the submersible transfer equipment, the traction and loading and unloading equipment and the flexible conveyor line to complete the unloading of the cargo.

[0041] The automatic unloading method adopts the automatic loading and unloading system mentioned above and can realize the automatic unloading of goods through the above steps, thereby improving the unloading efficiency, saving manpower and time, and reducing logistics costs.

[0042] In one embodiment of the present application, in the cargo unloading step, the position of the cargo in the compartment is adjusted in the left-right direction by a submersible transfer device.

[0043] In the above-mentioned embodiment, the cargo is adjusted in the left-right direction by using the submersible transfer equipment to adjust the cargo to the unloading line, thereby achieving the regularity of the cargo.

[0044] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0046] Figure 1 This is a schematic structural diagram of an automatic loading and unloading vehicle system according to an embodiment of the present application;

[0047] Figure 2 for Figure 1 A magnified image of point A;

[0048] Figure 3 A top view of a cargo carrying plate according to an embodiment of the present application;

[0049] Figure 4 A cross-sectional view of a cargo carrying plate according to an embodiment of the present application;

[0050] Figure 5 This is an axonometric diagram of a submersible transfer device according to an embodiment of the present application;

[0051] Figure 6 This is a front view (initial state) of a submersible transfer device shown in an embodiment of the present application;

[0052] Figure 7 This is a front view (lifting state) of a submersible transfer device shown in one embodiment of the present application;

[0053] Figure 8 This is an axonometric diagram of a towing and loading and unloading operation equipment according to an embodiment of the present application;

[0054] Fig. 9 This is a front view of a towing and loading and unloading operation equipment shown in one embodiment of the present application;

[0055] Fig.10 This is a schematic diagram of the structure of a flexible conveyor line shown in one embodiment of the present application;

[0056] Fig.11 A top view of a flexible conveyor line shown in one embodiment of the present application;

[0057] Fig.12 A simplified diagram of a fixed conveyor line shown in one embodiment of the present application;

[0058] Fig.13 This is a front view of a lifting platform shown in one embodiment of the present application.

[0059] Icons: 100-automatic loading and unloading vehicle system; 10-cargo carrying plate; 11-groove; 20-submerged transfer equipment; 21-base; 22-first longitudinal conveying mechanism; 221-longitudinal conveying line; 23-lateral conveying mechanism; 231-support frame; 232-guide wheel; 24-support wheel; 25-first jacking mechanism; 26-second jacking mechanism; 27-support leg; 271-first leg rod; 272-second leg rod; 30-traction loading and unloading operation equipment; 31-walking chassis; 311-chassis body; 312-walking mechanism; 32-second longitudinal conveying mechanism; 321-conveyor belt; 322-frame; 33-lateral adjustment mechanism; 331-guide rod; 34-safety protection device; 35-first connecting piece; 351-first inclined plane; 36-second connecting piece; 361-connecting ear; 362-second inclined plane; 40-flexible conveyor line; 41-conveying body; 42-support auxiliary wheel; 43-first power roller; 44-transition wheel; 45-conveying roller; 46-winch mechanism; 50-lifting platform; 51-base assembly; 52-lifting connecting rod assembly; 521-connecting shaft; 522-first connecting rod; 523-second connecting rod; 53-top surface support assembly; 54-lifting drive assembly; 60-fixed conveyor line; 61-conveying line body; 62-second power roller; 70-carriage; 80-platform; 81-installation groove; 82-storage cavity; 83-guide rail; 831-arc segment; 832-straight segment; 90-cargo. DETAILED DESCRIPTION

[0060] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0061] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0062] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0063] In the description of this application, it should be noted that the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed when in use, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0064] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0065] The technical solution of the present application is clearly and completely described below with reference to the drawings.

[0066] Please refer to Figure 1 , which is a structural schematic diagram of an automatic loading and unloading vehicle system 100 shown in an embodiment of the present application. The automatic loading and unloading vehicle system 100 includes a cargo carrying plate 10, a submersible transfer device 20, a traction loading and unloading operation device 30, a flexible conveyor line 40 and a lifting platform 50. The automatic loading and unloading vehicle system 100 is used in conjunction with a truck and a platform 80.

[0067] The cargo carrying plate 10 is used to be laid on the bottom plate of the truck compartment 70 to carry the cargo 90; the cargo carrying plate 10 is provided with a groove 11 corresponding to the submersible transfer device 20, and the groove 11 extends in the front-to-back direction, such as Figure 2 As shown, the submerged transfer device 20 can move in the groove 11 along the front-to-back direction. The traction and loading and unloading operation device 30 is located between the submerged transfer device 20 and the flexible conveyor line 40, the front end of the traction and loading and unloading operation device 30 is connected to the rear end of the submerged transfer device 20, and the rear end of the traction and loading and unloading operation device 30 is connected to the front end of the flexible conveyor line 40, and the traction and loading and unloading operation device 30 can tow the submerged transfer device 20 and the flexible conveyor line 40 to move along the front-to-back direction.

[0068] The lifting platform 50 is arranged at the end of the platform 80, and the platform 80 is provided with a mounting groove 81, and the lifting platform 50 is arranged in the mounting groove 81. When the truck stops at the platform 80, because there may be a height difference between the bottom plate of the compartment 70 of the logistics truck and the surface of the platform 80, the lifting platform 50 is used to ensure that the top surface of the lifting platform 50 is flush with the bottom plate surface of the truck compartment 70 (the surface of the cargo loading plate 10), so that the traction and loading and unloading operation equipment 30 can enter and exit the truck compartment 70 smoothly.

[0069] A fixed conveyor line 60 is provided on the platform 80, and the lifting platform 50 is located between the truck compartment 70 and the fixed conveyor line 60. When the automatic loading and unloading vehicle system 100 is assembled, the flexible conveyor line 40 is located between the traction loading and unloading operation equipment 30 and the fixed conveyor line 60, and the rear end of the flexible conveyor line 40 is used to dock with the fixed conveyor line 60. A storage cavity 82 is provided on the platform 80, and the rear end of the flexible conveyor line 40 can be stored in the storage cavity 82. The open end of the storage cavity 82 is located at the front end of the fixed conveyor line 60 to ensure that the flexible conveyor line 40 is docked with the fixed conveyor line 60. The flexible conveyor line 40 is used to transfer goods 90 between the fixed conveyor line 60 and the traction loading and unloading operation equipment 30.

[0070] It should be pointed out that the front-to-back direction here refers to the direction from the head to the tail of the truck compartment 70. The head of the truck compartment 70 is the front end, which can also be understood as the length direction of the compartment 70; similarly, the width direction of the compartment 70 is defined as the left-right direction.

[0071] Please refer to Figure 3 , which is a top view of a cargo carrying plate 10 shown in an embodiment of the present application. The cargo carrying plate 10 is provided with a plurality of grooves 11 extending in the front-to-back direction, and the plurality of grooves 11 are arranged at intervals in the left-to-right direction.

[0072] In one embodiment of the present application, the cargo loading plate 10 is formed by splicing multiple plates, which is convenient for transportation and assembly, and can also adapt to the floor plates of the carriage 70 of different specifications and sizes. Different numbers of plates are selected for splicing according to the size of the floor plate of the carriage 70.

[0073] The cargo loading plate 10 adopts a modular structure and an assembled design, which is plug-and-play and can complete the laying of the floor of a van within thirty minutes. A special interface for connecting and fixing with the cargo box is designed on the truck loading plate, which can be assembled according to the size of the compartment 70.

[0074] Please refer to Figure 4 , which is a cross-sectional view of a cargo carrying plate 10 shown in an embodiment of the present application. The groove 11 is provided on the upper surface of the cargo carrying plate 10 and extends along the thickness direction of the cargo carrying plate 10. The lower surface of the cargo carrying plate 10 is in contact with the bottom plate of the carriage 70. The groove width of the groove 11 matches the submersible transfer device 20, ensuring that the submersible transfer device 20 can move forward and backward along the groove 11.

[0075] In one embodiment of the present application, in order to ensure the overall strength of the cargo carrying plate 10, the groove 11 does not penetrate the cargo carrying plate 10 along the thickness direction of the cargo carrying plate 10, that is, there is a certain distance between the groove bottom of the groove 11 and the lower surface of the cargo carrying plate 10. In other embodiments of the present application, the cargo carrying plate 10 may also include a plurality of long strips, and the plurality of long strips are arranged at intervals along the left-right direction, and a groove 11 is formed between two adjacent long strips. The plurality of long strips are positioned by a base plate, and the base plate may be arranged below the plurality of long strips, or at one end of the plurality of long strips.

[0076] In one embodiment of the present application, the spacing between the grooves 11 on the cargo carrying plate 10 can ensure that the width of the cargo 90 spans across at least two grooves 11. When transporting the cargo 90, at least two submerged transfer devices 20 are provided, and each submerged transfer device 20 corresponds to a groove 11, so that the cargo 90 can be docked with at least two submerged transfer devices 20, thereby achieving stable transportation of the cargo 90.

[0077] Please refer to Figure 5 , which is an axonometric view of a submersible transfer device 20 according to an embodiment of the present application. The submersible transfer device 20 includes a base 21, a first longitudinal conveying mechanism 22, a transverse conveying mechanism 23, and support wheels 24.

[0078] The first longitudinal conveying mechanism 22 and the transverse conveying mechanism 23 are both installed on the base 21, and the support wheel 24 is installed at the bottom of the base 21. The first longitudinal conveying mechanism 22 includes two longitudinal conveying lines 221, which are arranged on both sides of the base 21 along the left-right direction, and the first longitudinal conveying mechanism 22 is used to convey the goods 90 along the front-back direction. The transverse conveying mechanism 23 is located between the two longitudinal conveying lines 221, and the transverse conveying mechanism 23 is used to convey or guide the goods 90 along the left-right direction; the transverse conveying mechanism 23 includes a support frame 231 and a guide wheel 232, the support frame 231 is used to connect with the base 21, and the guide wheel 232 is installed on the support frame 231, and the axis of the guide wheel 232 is arranged along the front-back direction.

[0079] Please refer to Figure 6 , which is a front view of a submersible transfer device 20 shown in an embodiment of the present application. The submersible transfer device 20 also includes a first jacking mechanism 25 and a second jacking mechanism 26, both of which are arranged on the base 21. The first jacking mechanism 25 is used to drive the first longitudinal conveying mechanism 22 to rise and fall, so that the first longitudinal conveying mechanism 22 extends out of or submerges into the groove 11. The second jacking mechanism 26 is used to drive the lateral conveying mechanism 23 to rise and fall, so that the lateral conveying mechanism 23 extends out of or submerges into the groove 11.

[0080] When the first lifting mechanism 25 drives the first longitudinal conveying mechanism 22 to rise and carry the goods 90, the first longitudinal conveying mechanism 22 can convey the goods 90 in the front-rear direction. When the second lifting mechanism 26 drives the transverse conveying mechanism 23 to rise and carry the goods 90, the transverse conveying mechanism 23 can convey or guide the goods 90 in the left-right direction.

[0081] In one embodiment of the present application, the longitudinal conveyor line 221 can be a conveyor belt, which can drive the goods 90 to move in the front-rear direction. In other embodiments of the present application, the longitudinal conveyor line 221 can also be a crawler structure, which can realize the conveyance of the goods 90 in the front-rear direction.

[0082] In one embodiment of the present application, a plurality of guide wheels 232 are provided, and the plurality of guide wheels 232 are spaced apart in the front-rear direction to accommodate cargoes 90 of different lengths.

[0083] The guide wheel 232 can be a passive wheel or a driving wheel. When the guide wheel 232 is a passive wheel, the transverse conveying mechanism 23 can guide the goods 90 in the left-right direction, and manual intervention of the goods 90 is required at this time; when the guide wheel 232 is a driving wheel, the transverse conveying mechanism 23 can convey the goods 90 in the left-right direction, and manual intervention of the goods 90 is not required at this time.

[0084] It should be pointed out that when the submersible transfer device 20 needs to dock with the goods 90, there are two ways for the first lifting mechanism 25 to drive the first longitudinal conveying mechanism 22 to lift: one way is that the first lifting mechanism 25 drives the first longitudinal conveying mechanism 22 and the base 21 to rise at the same time. At this time, the transverse conveying mechanism 23 and the second lifting mechanism 26 are both synchronously raised with the base 21. The top surface of the transverse conveying mechanism 23 is lower than the top surface of the first longitudinal conveying mechanism 22. The first longitudinal conveying mechanism 22 carries the goods 90. The first longitudinal conveying mechanism 22 can convey the goods 90 in the front and rear directions. If the goods 90 need to be conveyed or guided in the left and right directions, the second lifting mechanism 26 drives the transverse conveying mechanism 23 to rise so that the top surface of the transverse conveying mechanism 23 The surface is higher than the top surface of the first longitudinal conveying mechanism 22, and the transverse conveying mechanism 23 carries the goods 90; another way is that the first lifting mechanism 25 drives the first longitudinal conveying mechanism 22 to rise relative to the base 21, and the transverse conveying mechanism 23 and the second lifting mechanism 26 are not lifted. At this time, the top surface of the transverse conveying mechanism 23 is lower than the top surface of the first longitudinal conveying mechanism 22, and the first longitudinal conveying mechanism 22 carries the goods 90. The first longitudinal conveying mechanism 22 can convey the goods 90 in the front and rear directions. If the goods 90 need to be conveyed or guided in the left and right directions, the second lifting mechanism 26 drives the transverse conveying mechanism 23 to rise, so that the top surface of the transverse conveying mechanism 23 is higher than the top surface of the first longitudinal conveying mechanism 22, and the transverse conveying mechanism 23 carries the goods 90.

[0085] In one embodiment of the present application, the first lifting mechanism 25 drives the first longitudinal conveying mechanism 22 to rise and fall synchronously with the base 21. The first lifting mechanism 25 can be a two-way cylinder, and the cylinder body of the two-way cylinder is installed on the base 21. The submersible transfer device 20 also includes two support legs 27. The two ends (telescopic rods) of the two-way cylinder are respectively hinged to a support leg 27. The support leg 27 includes a first leg rod 271 and a second leg rod 272. The upper end of the first leg rod 271 is connected to the lower end of the second leg rod 272 to form an L-shaped structure. The support wheel 24 is installed at the lower end of the first leg rod 271, and the upper end of the second leg rod 272 is hinged to the base 21. The telescopic rod of the two-way cylinder is hinged to the connection between the first leg rod 271 and the second leg rod 272. The tips of the support legs 27 located at the front and rear sections are arranged opposite to each other, that is, the lower end of the first leg rod 271 of the support leg 27 located at the front end extends forward, and the lower end of the first leg rod 271 of the support leg 27 located at the rear end extends backward. Please refer to Figure 7 When the telescopic rod of the bidirectional cylinder is retracted, the support wheels 24 at the front and rear ends are separated and the distance between them increases, and the first longitudinal conveying mechanism 22 follows the base 21 to descend and can be immersed in the groove 11. Please refer to Figure 6When the telescopic rod of the bidirectional cylinder is extended, the support wheels 24 at the front and rear ends are brought closer and the distance between them becomes smaller, and the first longitudinal conveying mechanism 22 is raised and can extend out of the groove 11. In other embodiments of the present application, the first lifting mechanism 25 can also adopt other lifting structures, such as but not limited to linear drive mechanisms such as hydraulic cylinders and electric push rods.

[0086] In one embodiment of the present application, two second lifting mechanisms 26 are provided, and the two lifting mechanisms are provided at the front and rear ends of the base 21. The second lifting mechanism 26 adopts a cylinder, the cylinder body of the cylinder is fixed to the base 21, and the telescopic rod of the cylinder is connected to the support frame 231. In other embodiments of the present application, the second lifting mechanism 26 can also adopt other lifting structures, such as but not limited to hydraulic cylinders, electric push rods and other linear drive mechanisms.

[0087] Please refer to Figure 8 , which is an axonometric view of a traction loading and unloading operation equipment 30 according to an embodiment of the present application. The traction loading and unloading operation equipment 30 includes a traveling chassis 31, a second longitudinal conveying mechanism 32, a transverse adjustment mechanism 33 and a safety protection device 34. The second longitudinal conveying mechanism 32 and the transverse adjustment mechanism 33 are both arranged on the traveling chassis 31. The safety protection device 34 is arranged on the traveling chassis 31 and is located on the left and right sides of the second longitudinal conveying mechanism 32.

[0088] The traveling chassis 31 can drive the traction loading and unloading operation equipment 30 to move in the front-rear direction to move at different positions in the carriage 70. The second longitudinal conveying mechanism 32 is used to convey the goods 90 in the front-rear direction, and can dock with the first longitudinal conveying mechanism 22 and the flexible conveying line 40 to realize the transportation of the goods 90 between the first longitudinal conveying mechanism 22 and the flexible conveying line 40. The lateral adjustment mechanism 33 is used to adjust the position of the second longitudinal conveying mechanism 32 in the left-right direction so that the second longitudinal conveying mechanism 32 can dock with the first longitudinal conveying mechanism 22 accurately, thereby improving the transfer accuracy of the goods 90.

[0089] A first connecting member 35 is provided at the front end of the walking chassis 31, one end of the first connecting member 35 is connected to the walking chassis 31, and the other end is used to connect to the base 21 of the submersible transfer device 20. The first connecting member 35 is a wedge-shaped structure, and the first connecting member 35 has a first inclined surface 351, which can realize the transition of the goods 90 between the first longitudinal conveying mechanism 22 and the second longitudinal conveying mechanism 32. The connection method of the first connecting member 35 and the base 21 of the submersible transfer device 20 can be a matching method of a hook and a pin shaft, or a bolt connection, or other quick-release connection mechanism.

[0090] A second connecting member 36 is provided at the rear end of the traveling chassis 31, one end of the second connecting member 36 is connected to the traveling chassis 31, and the other end is formed with a connecting ear 361, and the connecting ear 361 is used to connect to the flexible conveying line 40. The second connecting member 36 is a wedge-shaped structure, and the second connecting member 36 has a second inclined surface 362, which can realize the transition of the goods 90 between the second longitudinal conveying mechanism 32 and the flexible conveying line 40.

[0091] In one embodiment of the present application, the second longitudinal conveying mechanism 32 includes a conveyor belt 321 and a frame 322. The conveyor belt 321 is arranged on the frame 322. The frame 322 is slidably matched with the traveling chassis 31. The frame 322 can move in the left and right direction relative to the traveling chassis 31. The arrangement of the conveyor belt 321 can ensure that the goods 90 are transported stably in the front-rear direction.

[0092] In one embodiment of the present application, the transverse adjustment mechanism 33 includes a guide rod 331 and a transverse drive assembly (not shown in the figure). The guide rod 331 is arranged along the left and right directions. The two ends of the guide rod 331 are respectively connected to the walking chassis 31. The frame 322 is slidably arranged on the guide rod 331. The transverse drive assembly is installed on the walking chassis 31. The transverse drive assembly can drive the frame 322 to move left and right along the guide rod 331 to achieve the left and right position adjustment of the second longitudinal conveying mechanism 32, so that the second longitudinal conveying mechanism 32 and the first longitudinal conveying mechanism 22 can be accurately docked, thereby improving the transfer accuracy of the goods 90.

[0093] The safety protection device 34 includes but is not limited to a motor shield, a detection switch, an emergency stop switch, and an anti-collision strip. The motor shield is used to protect the driving motor of the second longitudinal conveying mechanism 32. There are two detection switches, which are respectively located on the left and right sides of the walking chassis 31, and the second longitudinal conveying mechanism 32 is located between the two detection switches. The detection switch is electrically connected to the lateral adjustment mechanism 33. When the second longitudinal conveying mechanism 32 moves to the left and right extreme positions, the corresponding detection switch works, and the lateral adjustment mechanism 33 responds to the detection switch and stops driving. The emergency stop switch is electrically connected to the driving component of the second longitudinal conveying mechanism 32. When an emergency occurs, starting the emergency stop switch can stop the second longitudinal conveying mechanism 32 from working. There are two anti-collision strips, which are respectively located on the left and right sides of the walking chassis 31, and the second longitudinal conveying mechanism 32 is located between the two anti-collision strips to prevent the second longitudinal conveying mechanism 32 from interfering with the walking chassis 31 when moving in the left and right directions.

[0094] Please refer to Fig. 9, which is a front view of a traction loading and unloading operation equipment 30 shown in an embodiment of the present application. The walking chassis 31 of the traction loading and unloading operation equipment 30 includes a chassis body 311 and a walking mechanism 312 arranged on the chassis body 311. The walking mechanism 312 adopts a crawler structure and has a large contact area with the cargo carrying plate 10 to adapt to the situation of the bottom plate of the carriage 70 (cargo carrying plate 10) and improve the passing capacity of the traction loading and unloading operation equipment 30. In other embodiments of the present application, the walking mechanism 312 can also adopt a wide wheel structure.

[0095] Please refer to Fig.10 , which is a schematic diagram of the structure of a flexible conveyor line 40 according to an embodiment of the present application. The flexible conveyor line 40 includes a conveyor body 41, a supporting auxiliary wheel 42, a first power roller 43, and a transition wheel 44.

[0096] The conveying body 41 is a chain structure, and the conveying body 41 includes a plurality of chain plates arranged in the front-to-back direction, and two adjacent chain plates are hinged, and a supporting auxiliary wheel 42 is provided at the bottom of each chain plate. The supporting auxiliary wheel 42 is rotatably connected to the chain plate, and the supporting auxiliary wheel 42 is used to contact the platform 80 or the lifting platform 50 to play the role of supporting the chain plate. A plurality of first power rollers 43 are provided on the upper surface of the conveying body 41, and the plurality of first power rollers 43 are arranged at intervals in the front-to-back direction, and the axis of the first power roller 43 extends in the left-to-right direction, and the first power roller 43 is used to drive the goods 90 to move in the front-to-back direction. The transition wheel 44 is provided in the storage cavity 82 of the platform 80, and the axis of the transition wheel 44 extends in the left-to-right direction. The transition wheel 44 is located at the opening end of the storage cavity 82, and the chain plate entering the storage cavity 82 is guided and stored via the transition wheel 44.

[0097] In other embodiments of the present application, the link plates may be replaced by link links to reduce the overall weight.

[0098] In one embodiment of the present application, a conveying roller 45 is further provided on the upper surface of the conveying body 41. The conveying roller 45 is provided between two adjacent first power rollers 43. The conveying roller 45 is not powered and is a passive roller. The provision of the conveying roller 45 ensures that the goods 90 are stably transported on the flexible conveyor line 40 while saving power drive. It should be noted that the first power roller 43 is provided at the end of the front end of the flexible conveyor line 40 to ensure smooth transfer of the goods 90 between the flexible conveyor line 40 and the second longitudinal conveying mechanism 32. As an optional embodiment of the present application, two conveying rollers 45 are provided between two adjacent first power rollers 43.

[0099] The chain plate at the end of the front end of the conveying body 41 is connected to the traction and loading and unloading operation equipment 30. When the traction and loading and unloading operation equipment 30 pulls the flexible conveyor line 40 to move in the front-back direction, the working length of the flexible conveyor line 40 can adapt to the change in the distance between the traction and loading and unloading operation equipment 30 and the fixed conveyor line 60. The working length of the flexible conveyor line 40 here refers to the part of the flexible conveyor line 40 located between the traction and loading and unloading operation equipment 30 and the fixed conveyor line 60, which can realize the transportation of the goods 90. When the traction and loading and unloading operation equipment 30 pulls the flexible conveyor line 40 to move forward, the end of the rear end of the flexible conveyor line 40 gradually moves toward the open end of the storage cavity 82, and the working length of the flexible conveyor line 40 increases; when the traction and loading and unloading operation equipment pulls the flexible conveyor line 40 to move backward, the end of the rear end of the flexible conveyor line 40 gradually moves toward the inside of the storage cavity 82, and the working length of the flexible conveyor line 40 decreases.

[0100] As an optional embodiment of the present application, guide rails 83 (such as Figure 1 As shown in FIG. 1 , the guide rail 83 includes an arc segment 831 and a straight segment 832. The arc segment 831 is arranged vertically. One end of the arc segment 831 is arranged at the opening end of the storage cavity 82 and is tangent to the surface of the platform 80. The other end of the arc segment 831 is tangent to the straight segment 832. The straight segment 832 is parallel to the surface of the platform 80. The arrangement of the guide rail 83 facilitates the storage of the conveying body 41 in the storage cavity 82, saves space, and prevents the conveying body 41 from being accumulated in the storage cavity 82 and getting stuck.

[0101] In one embodiment of the present application, in order to make the flexible conveyor line 40 move flexibly when it is stored in the storage chamber 82, the flexible conveyor line 40 also includes a hoisting mechanism 46, which is arranged in the storage chamber 82, and the hoisting mechanism 46 is located at the front end of the transition wheel 44. The winding rope of the hoisting mechanism 46 is connected to the rear end of the conveying body 41. When the traction and loading and unloading operation equipment 30 pulls the flexible conveyor line 40 to move backward, the hoisting mechanism 46 acts synchronously, and the hoisting mechanism 46 is wound, pulling the conveying body 41, thereby improving the flexibility of the flexible conveyor line 40. Similarly, when the traction and loading and unloading operation equipment 30 pulls the flexible conveyor line 40 to move forward, the hoisting mechanism 46 unwinds, so that the conveying body 41 can follow the traction and loading and unloading operation equipment 30. It should be noted that the winding rope of the hoisting mechanism 46 cooperates with the transition wheel 44.

[0102] In one embodiment of the present application, the transition wheel 44 is a sprocket wheel, which has a self-contained driving mechanism. The sprocket wheel can drive the conveying body 41 through the rotation of the sprocket wheel, so that the flexible conveying line 40 can be stored in the storage chamber 82 or removed from the storage chamber 82. In other embodiments of the present application, the sprocket wheel can also be without a driving mechanism, and the flexible conveying line 40 can be driven to move by the power of the traction loading and unloading operation equipment 30, and the conveying body 41 pushes or pulls the sprocket wheel to rotate.

[0103] Please refer to Fig.11 , which is a top view of a flexible conveyor line 40 shown in an embodiment of the present application. The flexible conveyor line 40 is provided with two rows of first power rollers 43, which are spaced apart in the left-right direction so as to have a larger contact surface with the goods 90.

[0104] Please refer to Fig.12 , which is a simplified diagram of a fixed conveyor line 60 shown in an embodiment of the present application. The fixed conveyor line 60 includes a conveyor line body 61 and a plurality of second power rollers 62, which are arranged on the conveyor line body 61 along the front-to-back direction, and the second power rollers 62 are rotationally matched with the conveyor line body 61, and the second power rollers 62 are self-powered. The fixed conveyor line 60 can drive the goods 90 to move along the front-to-back direction to dock the goods 90 with the flexible conveyor line 40.

[0105] Please refer to Fig.13 , which is a front view of a lifting platform 50 shown in an embodiment of the present application. The lifting platform 50 includes a base assembly 51, a lifting link assembly 52, a top surface support assembly 53 and a lifting drive assembly 54. The lifting link assembly 52 is located between the base assembly 51 and the top surface support assembly 53, the upper end of the lifting link assembly 52 is connected to the top surface support assembly 53, and the lower end of the lifting link assembly 52 is connected to the base assembly 51. The lifting drive assembly 54 is used to drive the lifting link assembly 52 to expand or close, so as to prop up the top surface support assembly 53 or put down the top surface support assembly 53.

[0106] The base assembly 51 is used to be installed at the bottom of the installation groove 81 of the platform 80 to play a role of positioning support.

[0107] The lifting link assembly 52 is a scissor-type structure, and includes two groups of X-shaped connecting rod groups, which are arranged at intervals in the left-right direction and connected by a connecting shaft 521. Each group of X-shaped connecting rod groups includes a first connecting rod 522 and a second connecting rod 523, the middle part of the first connecting rod 522 and the middle part of the second rod are both hinged to the connecting shaft 521, the lower end of the first connecting rod 522 is slidably matched with the base assembly 51, the upper end of the first connecting rod 522 is hinged to the top surface support assembly 53, the lower end of the second connecting rod 523 is hinged to the base assembly 51, and the upper end of the second connecting rod 523 is slidably matched with the top surface support assembly 53.

[0108] The lifting drive assembly 54 includes a lifting hydraulic cylinder, the cylinder body of the lifting hydraulic cylinder is fixed to the base assembly 51, and the piston rod of the lifting hydraulic cylinder is hinged to the connecting shaft 521. When the piston rod of the lifting hydraulic cylinder is extended, the lifting hydraulic cylinder can drive the connecting shaft 521 to rise, the lower end of the first connecting rod 522 is close to the lower end of the second connecting rod 523, and the upper end of the first connecting rod 522 is close to the upper end of the second connecting rod 523, the lifting connecting rod assembly 52 is unfolded, and the top surface support assembly 53 is lifted. When the piston rod of the lifting hydraulic cylinder is retracted, the lifting hydraulic cylinder can drive the connecting shaft 521 to descend, the lower end of the first connecting rod 522 is close to the upper end of the second connecting rod 523, and the upper end of the first connecting rod 522 is close to the lower end of the second connecting rod 523, the lifting connecting rod assembly 52 is closed, and the top surface support assembly 53 is lowered. In other embodiments of the present application, the lifting drive assembly 54 can also be other telescopic rod structures, such as electric push rods, cylinders, etc.

[0109] Furthermore, the automatic loading and unloading vehicle system 100 also includes cargo information identification equipment and control equipment.

[0110] The cargo information identification device includes but is not limited to lighting devices and camera devices. When the camera device collects the image information of the cargo 90, the background processor can obtain the shape, size, location coordinates and other information of the cargo 90 according to a certain algorithm, and identify and process this information to further control the completion of subsequent actions, which include but are not limited to the actions of the traction loading and unloading operation equipment 30, and provide data for the speed regulation, diversion, sorting and transportation of the subsequent conveying part. The cargo information identification device can be installed on the traction loading and unloading operation equipment 30, and can also be set at the rear end of the fixed conveyor line 60 to identify the information of the cargo 90 loaded or unloaded.

[0111] The control device includes a PLC controller, which is electrically connected to the actuators of the submersible transfer equipment 20, the actuators of the traction and loading and unloading equipment 30, the actuators of the lifting platform 50, the actuators of the flexible conveyor line 40, and the actuators of the fixed conveyor line 60, and the PLC controller controls the corresponding actuators.

[0112] The automatic loading and unloading system 100, for the loading part, uses a preloading method to preload the goods 90 in the preloading area according to the set device method, and then uses the automatic loading and unloading system 100 to transport the preloaded goods 90 to the designated location, thereby completing a loading operation. For the unloading part, the goods 90 are unloaded from the rear of the carriage 70 one by one in accordance with the first-in-last-out storage mode.

[0113] The working principle of the automatic loading and unloading vehicle system 100 provided in this application is:

[0114] The automatic loading and unloading system 100 is configured by arranging a cargo carrying plate 10 with a groove 11 on the bottom plate of the truck compartment 70, and arranging a submersible transfer device 20 in the groove 11, so that the submersible transfer device 20 can be driven by the traction loading and unloading operation equipment 30 to dive into the bottom of the cargo 90, cooperate with the first jacking mechanism 25 to raise the first longitudinal conveying mechanism 22 to lift the cargo 90, and the first longitudinal conveying mechanism 22, the second longitudinal conveying mechanism 32 and the flexible conveying line 40 are connected to transport the cargo 90 out of the compartment 70, thereby realizing automatic unloading of the cargo 90. At the same time, when the goods 90 are loaded, the submerged transfer device 20 is towed to the loading position by the traction loading and unloading operation device 30, and the first longitudinal conveying mechanism 22 is driven to rise by the first jacking mechanism 25, so that the first longitudinal conveying mechanism 22 and the second longitudinal conveying mechanism 32 are docked, and the goods 90 can be transported to the first longitudinal conveying mechanism 22 via the flexible conveying line 40 and the second longitudinal conveying mechanism 32, and the first jacking mechanism 25 drives the first longitudinal conveying mechanism 22 to descend into the submerged groove 11, and the goods 90 can be unloaded to the cargo carrying plate 10, so as to realize the automatic loading of the goods 90. Through the traction drive of the traction loading and unloading operation device 30, the submerged transfer device 20 and the flexible conveying line 40 can be towed to move in the front-rear direction, so as to load and unload the goods 90 at different positions in the carriage 70.

[0115] The beneficial effects of the automatic loading and unloading vehicle system 100 provided in this application are:

[0116] The automatic loading and unloading system 100 can improve the loading and unloading efficiency of trucks and shorten the loading and unloading time of goods by 90%. It can reduce the original loading and unloading time from 3-5 hours to 1-2 hours. The entire loading and unloading operation can be completed automatically, saving labor, reducing the ineffective waiting time of vehicles, reducing the occupancy of the site, greatly reducing the logistics cost, and improving the economic benefits.

[0117] The following describes the automatic loading method provided by the present application, using the above-mentioned automatic loading and unloading system 100, and the automatic loading method includes:

[0118] Preparation before loading: Lay the cargo carrying plate 10 on the floor of the truck compartment 70, and make the groove 11 on the cargo carrying plate 10 extend in the front-to-back direction, and set the submersible transfer device 20 in the groove 11; the lifting platform 50 adjusts the height difference between the surface of the top support component 53 and the surface of the cargo carrying plate 10, so that the top support component 53 is flush with the cargo carrying plate 10; the traction and loading and unloading operation equipment 30 is moved into the compartment 70 via the lifting platform 50, and the rear end of the submersible transfer device 20 is connected to the front end of the traction and loading and unloading operation equipment 30, and the rear end of the traction and loading and unloading operation equipment 30 is connected to the front end of the flexible conveyor line 40, and the rear end of the flexible conveyor line 40 is connected to the fixed conveyor line 60;

[0119] Transfer of goods 90: the goods 90 are transferred to the fixed conveyor line 60, and then conveyed to the flexible conveyor line 40 via the fixed conveyor line 60. The traction and loading and unloading operation equipment 30 pulls the submerged transfer equipment 20 and the flexible conveyor line 40 to move in the front-rear direction. Following the traction and loading and unloading operation equipment 30, the working length of the flexible conveyor line 40 is adjusted, and the flexible conveyor line 40 conveys the goods 90 to the second longitudinal conveying mechanism 32 of the traction and loading and unloading operation equipment 30.

[0120] Loading of cargo: When the submersible transfer equipment 20 moves to the loading position, the traction and loading and unloading equipment 30 stops traction, and the first lifting mechanism 25 of the submersible transfer equipment 20 lifts the first longitudinal conveying mechanism 22 and docks with the second longitudinal conveying mechanism 32 of the traction and loading and unloading equipment 30. The second longitudinal conveying mechanism 32 conveys the cargo 90 to the first longitudinal conveying mechanism 22. After the cargo 90 is completely located at the first longitudinal conveying mechanism 22, the first longitudinal conveying mechanism 22 stops conveying, and the first lifting mechanism 25 lowers the first longitudinal conveying mechanism 22 into the submersible groove 11, and the cargo 90 falls onto the cargo carrying plate 10, completing the loading of the cargo 90.

[0121] It should be noted that in the transfer step of the cargo 90, when the cargo 90 is transferred to the traction and loading and unloading operation equipment 30, the cargo information identification device installed on the traction and loading and unloading operation equipment 30 obtains the information of the cargo 90 and transmits the information to the background processor.

[0122] It should be pointed out that in the cargo loading step, when the cargo 90 needs to adjust its position in the left and right directions, after the first longitudinal conveying mechanism 22 carries the cargo 90, the first longitudinal conveying mechanism 22 stops conveying, and the second lifting mechanism 26 drives the transverse conveying mechanism 23 to rise, and the transverse conveying mechanism 23 conveys or guides the cargo 90 in the left and right directions to above the designated loading position, the second lifting mechanism 26 drives the transverse conveying mechanism 23 to reset, and the first lifting mechanism 25 drives the first longitudinal conveying mechanism 22 to reset, so that the submersible transfer equipment 20 dives into the groove 11, and the cargo 90 falls onto the cargo loading plate 10.

[0123] It should be pointed out that in the cargo loading step, the transverse conveying mechanism 23 of the submersible transfer equipment 20 can realize the position adjustment of the cargo 90 in the carriage 70 in the left and right directions, so as to adjust the cargo to the position beside the loading line and reasonably arrange the loading space in the carriage 70.

[0124] The automatic loading method adopts the above-mentioned automatic loading and unloading system 100, and through the above-mentioned steps, can realize automatic loading of the goods 90, improve the loading efficiency, save manpower and time, and reduce logistics costs.

[0125] The following describes the automatic unloading method provided by the present application, which uses the above-mentioned automatic loading and unloading system 100.

[0126] Preparation before unloading: adjust the height difference between the top surface of the lifting platform 50 and the surface of the cargo carrying plate 10 through the lifting platform 50, so that the lifting platform 50 is flush with the cargo carrying plate 10; place the submerged transfer device 20 in the groove 11 of the cargo carrying plate 10, and the traction loading and unloading operation equipment 30 enters the carriage 70 via the lifting platform 50, the rear end of the submerged transfer device 20 is connected to the front end of the traction loading and unloading operation equipment 30, the rear end of the traction loading and unloading operation equipment 30 is connected to the front end of the flexible conveyor line 40, and the rear end of the flexible conveyor line 40 is connected to the fixed conveyor line 60;

[0127] Cargo unloading: The traction and loading and unloading equipment 30 tows the submerged transfer equipment 20 and the flexible conveyor line 40 to move in the front-to-back direction. When the submerged transfer equipment 20 moves to the bottom of the cargo 90, the traction and loading and unloading equipment 30 stops traction, and the first lifting mechanism 25 of the submerged transfer equipment 20 lifts the first longitudinal conveying mechanism 22 and lifts the cargo 90. After the first longitudinal conveying mechanism 22 is docked with the second longitudinal conveying mechanism 32, the first longitudinal conveying mechanism 22 conveys the cargo 90 to the second longitudinal conveying mechanism 32. After the cargo 90 is completely conveyed to the second longitudinal conveying mechanism 32, the first lifting mechanism 25 lowers the first longitudinal conveying mechanism 22 into the submerged groove 11, and the second longitudinal conveying mechanism 32 transfers the cargo 90 to the flexible conveyor line 40. The flexible conveyor line 40 moves the cargo 90 to the fixed conveyor line 60, completing the unloading of the cargo 90.

[0128] It should be noted that, in the cargo unloading step, when the cargo 90 is transferred to the traction and loading and unloading operation equipment 30, the cargo information identification device installed on the traction and loading and unloading operation equipment 30 obtains the information of the cargo 90 and transmits the information to the background processor.

[0129] It should be pointed out that in the cargo unloading step, the position of the cargo 90 in the carriage 70 is adjusted in the left-right direction through the transverse conveying mechanism 23 to adjust the cargo to the unloading route and organize the cargo 90 in the carriage 70.

[0130] The automatic unloading method adopts the automatic loading and unloading system 100 and can realize the automatic unloading of the goods 90 through the above steps, thereby improving the unloading efficiency, saving manpower and time, and reducing logistics costs.

[0131] It should be noted that, in the absence of conflict, the features in the embodiments of this application may be combined with each other.

[0132] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. 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 automatic loading and unloading system, characterized in that: The utility model comprises a cargo carrying plate, a submersible transfer device, a traction loading and unloading operation device and a flexible conveying line, wherein the cargo carrying plate is used to be laid on the bottom plate of the truck compartment, the traction loading and unloading operation device is located between the submersible transfer device and the flexible conveying line, the traction loading and unloading operation device is respectively connected to the front end of the submersible transfer device and the flexible conveying line, and the traction loading and unloading operation device can tow the submersible transfer device and the flexible conveying line to move in the front-rear direction; The cargo carrying plate is provided with a groove for accommodating the submersible transfer device, the groove extending in the front-rear direction, and the submersible transfer device can move along the groove under the traction of the traction loading and unloading operation equipment; The cargo carrying plate is provided with a plurality of grooves, and the plurality of grooves are arranged at intervals along the left-right direction; The submersible transfer device comprises a base, a first longitudinal conveying mechanism and a first lifting mechanism, wherein the first longitudinal conveying mechanism and the first lifting mechanism are arranged on the base, the first longitudinal conveying mechanism is used to convey goods in the front-rear direction, and the first lifting mechanism is used to drive the first longitudinal conveying mechanism to rise and fall; The rear end of the flexible conveyor line is used to dock with the fixed conveyor line, the flexible conveyor line is used to transfer goods between the fixed conveyor line and the traction and loading and unloading operation equipment, and the working length of the flexible conveyor line can adapt to the distance change between the traction and loading and unloading operation equipment and the fixed conveyor line; The automatic loading and unloading vehicle system also includes: A lifting platform is located between the truck compartment and the fixed conveyor line, and the flexible conveyor line is arranged on the lifting platform.

2. The automatic loading and unloading vehicle system according to claim 1, characterized in that: The submersible transfer equipment also includes a transverse conveying mechanism and a second lifting mechanism, and the transverse conveying mechanism and the second lifting mechanism are arranged on the base. The transverse conveying mechanism is used to convey or guide the goods in the left and right directions, and the second lifting mechanism is used to drive the transverse conveying mechanism to rise and fall.

3. The automatic loading and unloading vehicle system according to claim 2, characterized in that: The transverse conveying mechanism includes a support frame and a guide wheel. The guide wheel is installed on the support frame, and the axis of the guide wheel is arranged along the front-rear direction.

4. The automatic loading and unloading vehicle system according to claim 1, characterized in that: The submersible transfer device further comprises a support wheel, wherein the support wheel is mounted on the base, and the submersible transfer device contacts the bottom of the groove via the support wheel.

5. The automatic loading and unloading vehicle system according to claim 1, characterized in that: The traction and loading and unloading operation equipment includes a traveling chassis and a second longitudinal conveying mechanism, wherein the second longitudinal conveying mechanism is arranged on the traveling chassis, and the second longitudinal conveying mechanism is used to convey goods in a front-rear direction and can be docked with the first longitudinal conveying mechanism.

6. The automatic loading and unloading vehicle system according to claim 5, characterized in that: The traction and loading and unloading operation equipment further comprises a transverse adjustment mechanism, which is arranged on the walking chassis and is used to adjust the position of the second longitudinal conveying mechanism in the left-right direction.

7. The automatic loading and unloading vehicle system according to claim 1, characterized in that: At least two of the submersible transfer devices are provided, and each of the submersible transfer devices corresponds to one of the grooves.

8. An automatic loading method, characterized in that: Using the automatic loading and unloading system according to any one of claims 1 to 7, the automatic loading method comprises: Preparation before loading: Lay the cargo carrying plate on the floor of the truck compartment, connect the rear end of the submerged transfer equipment with the front end of the traction loading and unloading equipment, connect the rear end of the traction loading and unloading equipment with the front end of the flexible conveyor line, and connect the rear end of the flexible conveyor line with the fixed conveyor line; Cargo transfer: Cargo is transferred to the fixed conveyor line, and then transported to the flexible conveyor line via the fixed conveyor line. The traction and loading and unloading equipment pulls the submerged transfer equipment and the flexible conveyor line to move in the front-to-back direction. Following the traction and loading and unloading equipment, the working length of the flexible conveyor line is adjusted, and the flexible conveyor line transports the cargo to the traction and loading and unloading equipment. Loading cargo: When the submersible transfer equipment moves to the loading position, the traction and loading and unloading equipment stops traction, the submersible transfer equipment rises and docks with the traction and loading and unloading equipment. After the cargo is transferred from the traction and loading and unloading equipment to the submersible transfer equipment, the submersible transfer equipment is lowered to allow the cargo to fall onto the cargo loading plate, completing the loading of cargo.

9. The automatic loading method according to claim 8, characterized in that: In the cargo loading step, the position of the cargo in the compartment is adjusted in the left-right direction by using a submersible transfer device.

10. An automatic unloading method, characterized in that: Using the automatic loading and unloading system according to any one of claims 1 to 7, the automatic unloading method: Preparation before unloading: connect the rear end of the submersible transfer equipment with the front end of the traction loading and unloading equipment, connect the rear end of the traction loading and unloading equipment with the front end of the flexible conveyor line, and connect the rear end of the flexible conveyor line with the fixed conveyor line; Cargo unloading: The traction and loading and unloading equipment pulls the submersible transfer equipment and the flexible conveyor line to move in the front and rear directions. When the submersible transfer equipment moves to the bottom of the cargo, the traction and loading and unloading equipment stops traction, and the submersible transfer equipment rises and lifts the cargo. The cargo is moved to the fixed conveyor line in turn through the submersible transfer equipment, the traction and loading and unloading equipment and the flexible conveyor line to complete the unloading of the cargo.

11. The automatic unloading method according to claim 10, characterized in that: In the cargo unloading step, the position of the cargo in the compartment is adjusted in the left-right direction by using a submersible transfer device.

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