A modular backpack-mounted AGV automatic transport vehicle

Abstract

The present invention relates to the technical field of equipment in the logistics industry, and specifically to a modular, piggyback, transfer-type AGV automatic transport vehicle, comprising a transfer machine and an AGV body located below the transfer machine. The transfer machine and the AGV body are installed and fixed by a third-party connecting component that supports the transfer machine and the AGV body up and down to form a separation space. The vehicle is modular and easy to maintain.

Description

Technical Field

[0001] The present invention relates to the technical field of logistics industry equipment, and in particular to a modular piggyback transfer AGV automatic transport vehicle. Background Art

[0002] Automated Guided Vehicle (AGV) is a transport vehicle equipped with an automatic guidance device such as electromagnetic or optical guidance devices and can travel along a specified guide path. It belongs to the category of wheeled mobile robots. With the extensive use of AGV in the logistics and warehousing industries, logistics costs have been greatly reduced and warehousing efficiency has been improved. There are now many types of AGVs on the market with different functions. In actual long-term use, electrical components and sensors need to be repaired and replaced.

[0003] The Chinese invention patent with application publication number CN 109969291 A and application publication date July 9, 2019, discloses a new AGV platform, which relates to the field of AGV platform technology. It also pays attention to the problem of "easy maintenance". Its technical solution is to connect the shells at both ends with the middle rectangular shell through a spring-loaded structure, which solves the problem of disassembly of the shells at both ends. Since the middle rectangular shell is a whole, side maintenance cannot be achieved; the Chinese utility model patent with authorization announcement number CN 209167899 U and authorization announcement date July 26, 2019, discloses a double-belt transport navigation vehicle, which has a compact structure and cannot achieve rapid separation and connection of the AGV body and the transfer machine.

[0004] In existing technologies and products, for the sake of product appearance, the body shell is mostly designed as an integrated body. If the components inside the body need to be inspected, the upper transfer machine must be removed. However, for special scenarios such as teaching or research, the frequency of adjusting or replacing components will be higher, which is even more unfavorable for maintenance. Summary of the Invention

[0005] The purpose of the present invention is to provide a modular and easy-to-maintain piggyback transfer AGV automatic transport vehicle.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: a modular backpack-transferring AGV automatic transport vehicle, comprising a transfer machine and an AGV body located below the transfer machine, wherein the transfer machine and the AGV body are installed and fixed by a third-party connecting component that supports the transfer machine and the AGV body up and down and forms a separation space.

[0007] Preferably, the third-party connection component includes a longitudinally extending support rod, on which an upper bearing surface for the transfer vehicle to rest and a lower bearing surface for abutting against the AGV vehicle body downward are provided, and the upper bearing surface and the lower bearing surface are spaced apart vertically.

[0008] Preferably, the upper bearing surface is a stress surface belonging to the support rod body or a stress surface that can be locked with the support rod, and the lower bearing surface is a stress surface belonging to the support rod body or a stress surface that can be locked with the support rod.

[0009] Preferably, at least one section of the side surface of the support rod above the upper bearing surface is a threaded surface, and at least one section of the side surface of the support rod below the lower bearing surface is also a threaded surface.

[0010] Preferably, the third-party connection component further includes an upper nut located above the upper bearing surface for fixing the transfer vehicle and a lower nut located below the lower bearing surface for fixing the AGV vehicle body.

[0011] Preferably, the upper bearing surface is a stress surface with adjustable height in the vertical direction.

[0012] Preferably, the third-party connection component further includes an upper and lower adjusting nut sleeved on the support rod, and the upper surface of the upper and lower adjusting nut serves as the upper bearing surface.

[0013] Preferably, there are four sets of the third-party connection components, which are respectively arranged at the four corners of the back-mounted transfer type AGV automatic guided vehicle.

[0014] Preferably, the internal main frame of the AGV vehicle body is composed of a cross beam plate, a vertical plate and a vehicle body bottom plate. There are a control electrical board assembly and a battery assembly in the AGV vehicle body, and both the control electrical board assembly and the battery assembly can be pulled back and forth on the internal main frame of the AGV vehicle body.

[0015] Preferably, the front part, the two side covers and the rear part of the AGV vehicle body are all installed on the internal main frame of the AGV vehicle body by screws.

[0016] Advantages of the present invention: 1. The whole transfer vehicle of the present application consists of two major components, the upper and the lower, which is conducive to the design of standardized mechanical and electrical interfaces and is the basis for the modularization of industrial products.

[0017] 2. From the actual application of AGVs over the years, it is known that logistics and industrial automation have put forward various functional requirements for AGVs. Only by achieving serialization can there be a competitive advantage, and the standardization and modularization of components are the basis for product serialization. The structural design of the upper and lower intervals being easily separable in this application is conducive to product serialization;

[0018] 3. The product shell of the existing design is designed as an integrated one, which has a certain aesthetic degree but is not conducive to maintenance. The structure of this application is more conducive to maintenance and is a design strategy developed on the basis of standardization and modularization;

[0019] 4. The convenience of disassembly and assembly is further improved, the flexibility of use is better, the stability of the structure can also be guaranteed, the interference of structural parts is reduced during operation, and the failure rate can be lowered. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the right view after the entire transporter of the embodiment of the present invention is assembled;

[0021] Figure 2 It is the three-dimensional structure schematic diagram of the AGV vehicle body part of the embodiment of the present invention from a top-down perspective;

[0022] Figure 3 It is the three-dimensional structure schematic diagram of the AGV vehicle body part of the embodiment of the present invention from a bottom-up perspective;

[0023] Figure 4 It is the three-dimensional structure schematic diagram of the AGV vehicle body of the embodiment of the present invention after removing the shell;

[0024] Figure 5 It is the three-dimensional structure schematic diagram of the battery assembly of the embodiment of the present invention;

[0025] Figure 6 It is the three-dimensional structure schematic diagram of the control electrical board assembly of the embodiment of the present invention;

[0026] Figure 7 It is the three-dimensional structure schematic diagram of the support rod equipped with upper and lower adjusting nuts of the embodiment of the present invention;

[0027] Figure 8 It is Figure 7 the three-dimensional structure schematic diagram from a lower perspective;

[0028] Figure 9 It is the three-dimensional structure schematic diagram when a set of third-party connection components in one specific instance of the embodiment of the present invention are installed in the vehicle body and the transfer machine.

[0029] In the figure: 2, transfer machine; 1, AGV vehicle body; a, spacing; 3, support rod; b1, upper bearing surface; b2, lower bearing surface; 301, upper and lower adjusting nut; 302, upper nut; 303, lower nut; 109, cross beam plate; 110, vertical plate; 107, vehicle body bottom plate; 106, control electrical board assembly; 105, battery assembly; 102, vehicle head part; 103, cover plate; 104, vehicle tail part. Detailed implementation mode

[0030] The following specific embodiments are only explanations of the present invention and are not limitations thereof. Those skilled in the art can make modifications without creative contributions to this embodiment as needed after reading this specification, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0031] Embodiment, as Figure 1-9As shown, a modular backpack-transferring AGV automatic transport vehicle includes a transfer machine 2. The transfer machine 2 can adopt existing automated transplanting equipment, for example, a roller-type or belt-type structure. The main design of this application is that the automatic transport vehicle also includes an AGV body 1 located below the transfer machine 2. What is particularly important is that the transfer machine 2 and the AGV body 1 are installed and fixed through a third-party connecting component that supports the transfer machine 2 and the AGV body 1 up and down to form a separation space a. Through the connection of the third-party connecting component, the transfer machine 2 and the AGV body 1 become two completely independent entities. In the existing technology, many transfer machines 2 are integrated on the AGV body 1, and the outer shells of many bodies are one-piece. Therefore, especially when repairing the body, the transfer machine needs to be removed before the repair is carried out; the design of the third-party connecting component should also be a structure that is convenient for disassembly and assembly, and the transfer machine 2 and the AGV body 1 structure should be separated from each other up and down to avoid the structural design of the two being assembled together. Therefore, the existence of the spacing space a is to facilitate the installation of the third-party connecting component itself with the transfer machine 2 and the AGV body 1 without removing the transfer machine 2. On the other hand, it has more operating space, especially when repairing and maintaining the AGV body 1. The height of the spacing space a can preferably be controlled between one-seventh and one-third of the height of the AGV body 1. If it is too high, the center of gravity will not be stable enough. So for an AGV body 1 that is half a meter high, the spacing space a It is more appropriate to control the height of a to be around 10 cm. The spacing space a here can be understood as the spacing area between the corresponding upper bearing surface b1 and the lower bearing surface b2 described later, and the height of the spacing space a can be understood as the height between the two surface areas. Of course, this application requires multiple third-party connection components, but try to ensure that the upper and lower positions of the upper bearing surface b1 and the lower bearing surface b2 of each component are unified to reduce the error rate in actual application. The entire space between the transfer machine 2 and the upper and lower parts of the AGV body 1 is less regular and also larger. For the spacing space a, it can also be understood as the part of the space formed by the third-party connection component; in this way, the third-party connection component can prop up the transfer machine 2 and the AGV body 1 up and down and needs to be fixedly connected to the lower structure of the transfer machine 2 and the upper structure of the AGV body 1 respectively. This structure can bring better operating space, facilitate body maintenance, replacement of parts, etc., and at the same time reduce the interference of the transfer machine 2 on the AGV body 1.

[0032] In the above scheme, the AGV body located at the bottom has various types and series according to the different navigation methods and load capacity. The transfer machine located at the top also has various types and series according to the different transfer power and cargo surface size. The upper and lower modules can be combined into a variety of products to meet different functional requirements. As long as the installation dimensions of the docking part structure of the upper and lower parts are standard and unified, the entire product is easy to achieve standardization and modularization, and various transfer machines and AGV bodies can be assembled and disassembled in an upper and lower manner.

[0033] To more effectively implement the aforementioned solution, the third-party connection assembly includes a longitudinally extending support rod 3. The support rod 3 is provided with an upper bearing surface b1 for supporting the transfer machine 2 and a lower bearing surface b2 for downwardly abutting the AGV body 1. The upper bearing surface b1 and the lower bearing surface b2 are spaced apart from each other, and the spacing can be described using the spacing a described above. The upper bearing surface b1 and the lower bearing surface b2 are the two main force-bearing surfaces that support the transfer machine and the AGV body 1 in the vertical direction.

[0034] Furthermore, the upper bearing surface b1 is a force-bearing surface belonging to the main body of the support rod 3 or a force-bearing surface that can be locked with the support rod 3. The support rod 3 adopts a straight metal rod extending up and down, such as steel, and the upper bearing surface b1 can be formed by a stepped surface formed by changing the radial size. This force-bearing surface belongs to its main body, and the locked force-bearing surface can be understood as the upper surface of the structure that can be fixed to the support rod 3. Similarly, the lower bearing surface b2 is a force-bearing surface belonging to the main body of the support rod 3 or a force-bearing surface that can be locked with the support rod 3. In this embodiment, a preferred solution is adopted: the upper bearing surface b1 is a force-bearing surface that can be locked with the support rod 3, and the lower bearing surface b2 is a force-bearing surface belonging to the main body of the support rod 3.

[0035] Furthermore, at least one section of the side surface of the support rod 3 above the upper bearing surface b1 is a threaded surface, and at least one section of the side surface of the support rod 3 below the lower bearing surface b2 is also a threaded surface, and it can be installed and fixed by a locking member such as a nut. Then the third-party connection assembly may further include an upper nut 302 located above the upper bearing surface b1 for fixing the transfer machine 2 and a lower nut 303 located below the lower bearing surface b2 for fixing the AGV vehicle body 1. To facilitate the installation of the nut, the transfer machine and the vehicle body also require the following structural design: A flat and horizontally placed strengthening and fixing plate s1 needs to be fixed at the bottom position of the transfer machine. More specifically, for example, the transfer machine can adopt a roller type or a structure with a belt wrapped around the roller, and there will be two front and rear guide rail frames v1. Then the strengthening and fixing plate s1 needs to be installed at the bottom position of the guide rail frame v1. Since the vertical height of the guide rail frame v1 is relatively high and its bottom is much lower than the bottom of the roller or the belt, it can well avoid possible rubbing between the roller or the belt and the third-party connection assembly, and at the same time, it is convenient for the operator to assemble. The strengthening and fixing plate s1 can be pre-fixed on the transfer machine 2. The strengthening and fixing plate s1 is provided with a through hole for the upper part of the support rod 3 to pass through, and the hole diameter should be as close as possible to the diameter of the part of the support rod 3 passing upward, and preferably the hole diameter can be slightly larger, but the deviation should be controlled within 2 mm to reduce looseness. The part of the support rod 3 above the upper bearing surface b1 passes upward through the through hole of the strengthening and fixing plate s1 and leaves a section above for the upper nut 302 to be screwed in. At the same time, the upper bearing surface b1 should exactly abut against the lower surface of the strengthening and fixing plate s1, and the strengthening and fixing plate s1 can be clamped between the upper bearing surface b1 and the upper nut 302 to obtain good fixation; Similarly, a cross beam plate 109 for installing the support rod needs to be designed at the top part of the AGV vehicle body 1. As will be mentioned later, the cross beam plate 109 can also adopt a horizontally placed flat plate structure. The cross beam plate 109 is provided with a through hole for the lower part of the support rod 3 to pass through, and the hole size should be as close as possible to the diameter of the part of the support rod 3 passing downward, and preferably the hole diameter can be slightly larger, but the deviation should also be controlled within 2 mm. The part of the support rod 3 below the lower bearing surface b2 passes downward through the through hole of the cross beam plate 109 and leaves a section below for the lower nut 303 to be screwed in. At the same time, the lower bearing surface b2 should exactly abut against the upper surface of the cross beam plate 109, and the cross beam plate 109 can be clamped between the lower bearing surface b2 and the lower nut 303 to obtain good fixation.When assembling the transplanter 2 and the AGV body 1, the best order is to first complete the installation and fixation of the lower part of the support rod 3 to the AGV body 1, and then install and fix the support rod 3 to the transplanter 1. In the above example, the upper bearing surface b1 can support the lower surface of the reinforcing fixing plate s1, and the lower bearing surface b2 can support the upper surface of the crossbeam plate 109. Preferably, both are flat, and the fit will be better to ensure the stability of the structure.

[0036] In actual use, the upper bearing surface b1 is used to support the transplanter 1. It should be based on the matching requirements when combining different AGV body 1 models or the requirements during the AGV body 1 assembly process with the body. It is best to have an adjustable and lockable surface, so the design of the present application is also a step further, so it is preferably designed to be a load-bearing surface with adjustable height between the upper and lower parts. For the requirements of this design, the third-party connection assembly needs to have one more component. The present application preferably also includes an upper and lower adjustment nut 301 mounted on the support rod 3. The upper and lower adjustment nut 301 The upper surface serves as the upper bearing surface b1. Of course, the side surface of the part of the support rod 3 for the upper and lower adjustment nut 301 to adjust up and down is also a threaded surface. This design allows the upper and lower adjustment nut 301 to not only be adjusted up and down, but also to stay in the corresponding adjustment position. The upper bearing surface b1 formed on its upper surface can also be clamped with the upper nut 302 to strengthen the fixing plate s1 to complete the assembly of the transfer machine 2 and the AGV body 1. On the one hand, it is convenient for adjustment during installation. On the other hand, it is also convenient for different models to be combined and a suitable position can be selected to avoid problems such as unstable center of gravity when it is too high and insufficient space when it is too low.

[0037] For the lower bearing surface b2, the design of the upper bearing surface b1 is not very necessary because it is inverted and pressed on the AGV vehicle body 1, or rather, on the upper surface of the crossbeam plate 109. Therefore, in fact, the weight of the upper transfer machine together with the upper and lower adjusting nuts 301 and the support rod 3 will be transmitted down and act on the upper surface of the crossbeam plate 109 through the lower bearing surface b2, and it requires better support. Therefore, as mentioned above, the lower bearing surface b2 should preferably adopt the stress surface of the support rod 3 body. To achieve this structure, the support rod 3 in this embodiment adopts a structure style with two ends integrally connected but different in diameter size of the radial cross-section. Specifically, the support rod 3 includes two coaxial upper segments h1 and lower segments h2. The diameter of the upper segment h1 is larger than that of the lower segment h2. Preferably, the diameter of the lower segment h2 is one-half to four-fifths of the diameter of the upper segment h1, and the vertical length of the upper segment h1 is preferably 2-4 times the vertical length of the lower segment h2. Of course, both of these two segments are cylindrical structures as a whole, and the support rod 3 forms a stepped shaft structure style, and this annular stepped surface serves as the lower bearing surface b2, that is, the part of the cross-section at the integrally connected part of the upper segment h1 and the lower segment h2 where the diameter size exceeds that of the lower segment h2 is exposed downward and surrounds the surface of the lower segment h2.

[0038] In order to facilitate the screwing of the nuts during the installation process, it is necessary to keep the support rod 3 as stationary as possible. In the lower half of the upper segment h1 of the support rod 3, two side grooves h10 are provided with side surfaces recessed towards the axis direction, and the bottom surface of the groove extends longitudinally in a plane. Moreover, these two side grooves h10 are preferably symmetrically distributed about the axis of the upper segment h1. The bottom surfaces of these two side grooves h10 can be used to clamp the two jaws of a movable wrench to hold the support rod 3 firmly, so that each nut can be screwed to the required position more effectively and is not easily loosened when being screwed. For a small AGV vehicle body 1, the support rod 3 can be made of a metal steel structure rod as mentioned. In terms of diameter, at least the lower segment h2 should preferably exceed 5 mm. If it is too thin, the bearing capacity may be insufficient. Therefore, a structure of 2 cm or 3 cm can be adopted. This can support transfer machines of different models and weights, so that different models of vehicle bodies and transfer machines can be combined, and at the same time, these components do not need to be replaced, which unifies the standards and is also conducive to the industrial requirements of standardization and modularization.

[0039] For a rectangular structure like the vehicle body and transfer machine, it's preferable to use four sets of the third-party connection components, positioned at the four corners of the piggyback transfer AGV, to complete the assembly of the vehicle body and transfer machine. This positioning further optimizes the structure. Four reinforcing fixing plates s1 are preferably provided and distributed in a rectangular pattern at the four corners of the transfer machine. In addition, two reinforcing fixing vertical plates s2 arranged on the left and right and with the plate surfaces facing the front and rear directions can be fixed on the rear side of the guide rail frame v1 at the front position of the transfer machine 2 by screwing or welding. The bottom surfaces of these two reinforcing fixing vertical plates s2 are respectively connected with a reinforcing fixing plate s1 extending to the right, so that there are two groups of left and right groups of reinforcing fixing vertical plates s2 and reinforcing fixing plates s1. The connection structure can be used to install a set of third-party connection components respectively. The integrally connected reinforcing fixing vertical plates s2 and reinforcing fixing plates s1 are preferably L-shaped and perpendicular to each other, similar to right-angle connectors, and steel structural parts can be used. The through hole of the reinforcing fixing plate s1 for the support rod to pass through can be opened in the center of the reinforcing fixing plate s1, and the connection between the integrally connected reinforcing fixing vertical plates s2 and the reinforcing fixing plates s1 can be located close to the inner side of the right-angle part. Two reinforced side panels s3 are welded on the left and right sides of the through hole on the reinforced fixing plate s1, and the surface of the reinforced side panels s3 faces the left and right directions; two reinforced fixing vertical panels s2 arranged left and right and facing the front and back directions can also be fixed on the front side of the guide rail frame v1 at the rear side of the transfer machine 2 by screwing or welding. Similarly, the reinforced fixing vertical panels s2 here are also integrally connected to a reinforced fixing plate s1, so that two groups of integrally connected reinforced fixing vertical panels s2 and reinforced fixing plates s1 on the rear side can be formed for installing two sets of third-party connection components on the rear side. The structural shapes of the two groups of integrally connected reinforced fixing vertical panels s2 and reinforced fixing plates s1 on the rear side are mirror-symmetrical to the two groups on the front side, and the reinforced side panels s3 can also be installed in the aforementioned manner, making the installation of the third-party connection components more stable and reliable, and also convenient to operate.

[0040] Regarding the design of the AGV vehicle body 1, for more convenient disassembly, repair, etc., further design is carried out. For example, the internal main frame of the AGV vehicle body 1 is composed of a cross beam plate 109, a vertical plate 110, and a vehicle body bottom plate 107. A number of vertical plates 110 are respectively fixed on the left and right sides of the vehicle body bottom plate 107 at the bottom, and there should be at least two or more. On the upper parts of the vertical plates 110 on the same side, a cross beam plate 109 extending forward and backward and in a horizontal state is respectively fixed. The two cross beam plates 109 are arranged at intervals relatively left and right. In addition, a control electrical board assembly 106 and a battery assembly 105 are provided in the AGV vehicle body 1, and both the control electrical board assembly 106 and the battery assembly 105 can be pulled forward and backward on the internal main frame of the AGV vehicle body 1. The control electrical board assembly 106 and the battery assembly 105 are preferably arranged front and back. The control electrical board assembly 106 can be pulled forward, and the battery assembly 105 can be pulled backward.

[0041] Specifically, the overall structure of the AGV vehicle body 1 includes a cable group 101 for upper electrical connection, a vehicle head part 102, two side covers 103, a vehicle tail part 104, a battery assembly 105, a control electrical board assembly 106, a vehicle body bottom plate 107, a navigation sensor 108, a cross beam plate 109, and a vertical plate 110. A cable socket 201 is installed on the transfer vehicle 2. The electrical components such as the cables of the cable group 101, the battery body of the battery assembly 105, the control electrical board of the control electrical board assembly 106, and the navigation sensor 108 can all adopt existing equipment, and more need to be selected and matched. When the AGV vehicle body 1 and the transfer vehicle 2 are assembled, first install the third-party connection components, and finally insert the cable group 101 into the cable socket 201. Because the cable group 101 are all telescopic and deformable or flexible connectors, it can be done at the end. When the AGV vehicle body 1 and the transfer vehicle 2 need to be disassembled, the cable group 101 can be pulled out of the cable socket 201 first, and then the third-party connection components can be removed. The removal of the third-party connection components mainly involves unscrewing the upper nuts. The support rods, lower nuts, and upper and lower adjusting nuts can be left on the vehicle body to facilitate the assembly of the vehicle body with other transfer vehicles. One end of the cable of the cable group 101 can be electrically connected to the control electrical board assembly 106 and the battery assembly 105, and the other end is inserted into the cable socket 201 to supply power and control the electrical equipment in the transfer vehicle 2.

[0042] The vehicle head part 102, the two side covers 103, and the vehicle tail part 104 of the AGV vehicle body 1 are different from the prior art. They are made into split outer shell plates and are all installed on the internal main frame of the AGV vehicle body 1 by screws or other connection structures convenient for disassembly and assembly and are covered on the internal main frame.

[0043] In this way, the front part 102, the side covers 103, and the rear part 104 can all be disassembled separately from the AGV vehicle body 1 without affecting each other. The battery assembly 105 can be horizontally moved in the direction of the rear part 104 and then pulled out after the rear part 104 is removed, so as to facilitate the maintenance and replacement of parts. The control electrical board assembly 106 can be horizontally moved in the direction of the front part 102 and then pulled out after the front part 102 is removed, so as to facilitate the maintenance and replacement of parts. A hole 1080 is provided in the middle of the vehicle body bottom plate 107, and the navigation sensor 108 can be removed from this hole 1080 and moved downward for maintenance and replacement. The navigation sensor 108 can be installed at a position on the vehicle body bottom plate 107 above the hole 1080.

[0044] In addition to the battery body 1055 itself, the battery assembly 105 is also provided with a lower plate 105a, a sliding plate 105b, and a stop block 105c. The lower plate 105a is fixed on the vehicle body bottom plate 107. The sliding plate 105b can be fixed to the bottom of the battery body 1055 and is slidably pulled relative to the lower plate 105a. A sliding groove 1050a extending forward and backward and penetrating up and down is formed on the lower plate 105a. The front end of the sliding plate 105b is integrally connected with a guide plate 1050b extending downward and passing through the sliding groove 1050a. The stop block 105c can be installed on the lower part of the guide plate 1050b below the sliding groove 1050a to prevent unstable detachment during the pulling process. The left and right width of the stop block 105c should be greater than the left and right width of the sliding groove 1050a.

[0045] In addition to the control electrical board 1066 itself, the control electrical board assembly 106 is also provided with two side vertical plates 106a, a sliding electrical box 106b, and two stop blocks 106c. The control electrical board 1066 is installed and fixed on the upper surface of the sliding electrical box 106b, and it can adopt an existing sliding electrical box body. The vertical plates 106a are fixed on the vehicle body bottom plate 107. The two side parts of the sliding electrical box 106b slide and pull relative to the vertical plates 106a. It can adopt an existing chute structure, such as the above-mentioned battery assembly, or a roller structure, etc. The limit position of the pulling is determined by the stop block 106c located at the rear end of the sliding electrical box 106b.

[0046] In addition, for both the battery assembly 105 and the control electrical board assembly 106, after they are pulled out of the vehicle body for maintenance or replacement and then need to be pushed back into the vehicle body, it is best to lock them again at this time. For example, the sliding plate 105b and the lower plate 105a are fixed in a detachable manner by screws. When performing maintenance, the screws are removed, so that the battery assembly 105 can be unlocked and the pulling operation can be carried out. Similarly, the control electrical board assembly 106 can also adopt a similar structure to ensure the stability between structures during use and prevent internal structure sliding in a non-maintenance state, thus avoiding problems such as potential safety hazards and structural damage.

[0047] Furthermore, the function of the third-party connection component is also mentioned above in terms of convenient operation. For example, the battery pack can be directly replaced without removing the above-mentioned transplanter. If there is no third-party connection component, the transplanter needs to be removed first, and then the battery pack is pulled out. The operation in terms of assembly mentioned above is also the flexible use of the third-party connection component. It is not a one-piece fixed structure. Therefore, the lower part of the support rod 3 can be pre-installed and fixed to the AGV vehicle body 1 through the lower nut. As can also be seen from the figure, the 4 support rods 3 can be pre-assembled with the AGV vehicle body 1 at the lower part, making it convenient to assemble with different transporters and easy to operate during assembly, etc. The overall structural design effect is more suitable for the modern and rapidly developing logistics industry.

[0048] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A modular back-mounted and transferable AGV automatic guided vehicle, characterized in that: The invention comprises a transfer machine (2) and an AGV body (1) located below the transfer machine (2), wherein the transfer machine (2) and the AGV body (1) are fixedly mounted by a third-party connection component that stretches the transfer machine (2) and the AGV body (1) up and down to form a separation space (a); The third-party connection assembly includes a longitudinally extending support rod (3), the support rod (3) being provided with an upper bearing surface (b1) for bearing the transfer machine (2) and a lower bearing surface (b2) for downwardly abutting against the AGV body (1), the upper bearing surface (b1) and the lower bearing surface (b2) being spaced apart from each other; The upper bearing surface (b1) is a bearing surface belonging to the support rod (3) body or a bearing surface that can be locked with the support rod (3); the lower bearing surface (b2) is a bearing surface belonging to the support rod (3) body or a bearing surface that can be locked with the support rod (3); At least one section of the side surface of the portion of the support rod (3) located above the upper bearing surface (b1) is a threaded surface, and at least one section of the side surface of the portion of the support rod (3) located below the lower bearing surface (b2) is also a threaded surface; The third-party connection assembly further comprises an upper nut (302) located above the upper bearing surface (b1) for fixing the transfer machine (2) and a lower nut (303) located below the lower bearing surface (b2) for fixing the AGV body (1); the upper bearing surface (b1) is a load-bearing surface with adjustable height between the upper and lower sides; The third-party connection assembly further comprises an upper and lower adjustment nut (301) sleeved on the support rod (3), and the upper surface of the upper and lower adjustment nut (301) serves as the upper bearing surface (b1); The internal main frame of the AGV body (1) is composed of a crossbeam plate (109), a vertical plate (110) and a body bottom plate (107). The AGV body (1) is provided with a control electrical panel assembly (106) and a battery assembly (105). Both the control electrical panel assembly (106) and the battery assembly (105) can be pulled forward and backward on the internal main frame of the AGV body (1); A plurality of vertical plates (110) are fixed on the left and right sides of the vehicle body bottom plate (107) at the bottom, and a horizontal beam plate (109) extending forward and backward and arranged horizontally is fixed on the upper part of the vertical plate (110) on the same side, and the two horizontal beam plates (109) are arranged at a relative interval on the left and right sides.

2. The modular back-mounted and transferable AGV automatic guided vehicle according to claim 1, wherein: There are four sets of the third-party connection components, which are respectively arranged at the four corners of the piggyback transfer AGV automatic transport vehicle.

3. The modular back-mounted and transferable AGV automatic transport vehicle according to claim 1, characterized in that: The front part (102), the two side covers (103) and the rear part (104) of the AGV body (1) are all mounted on the internal main frame of the AGV body (1) by screws.

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