Pallet

Abstract

Goods channels distributed side by side are arranged on the pallet, each goods channel comprises a supporting assembly and a carrying assembly, each supporting assembly is provided with a driving end supporting piece, each carrying assembly comprises a chain and chain plates, the chain plates are annularly and continuously arranged along the chain, and bendable partition plates are arranged on the chain plates. The bending direction of the partition plate and the extending direction of the straight portion are located on the same plane, the pallet is further provided with a bending stop lever used for bending the partition plate and a restoring component used for unfolding the partition plate, the driving end supporting piece comprises a base, a motor and a sleeve, and transmission teeth distributed around the center line of the sleeve are arranged on the outer surface of the tubular end of the sleeve. The sleeve is embedded into the chain through the transmission teeth and is in transmission connection with the chain. According to the pallet, by optimizing the structure of the partition plate and the power structure, the space size occupied by the pallet is greatly reduced, the utilization efficiency of the limited space in the vending machine is improved, initialization operation of the partition plate is achieved based on one-way movement of the chain, and the automation degree of the pallet is improved.

Description

Technical Field

[0001] The present invention relates to a pallet. Background Art

[0002] The vending machine is equipped with vertically arranged trays, each with multiple aisles. These aisles can operate independently, in groups, or as a whole. The aisles are equipped with a loading assembly consisting of a chain and chain plates. The chain plates are mounted on the chain, but the chain plates are not distributed along the entire chain, but rather in localized locations. The chain plates are continuously distributed, and their overall length is much shorter than the chain itself. Vertical dividers are installed on the chain plates, dividing the conveying space provided by the chain plates to ensure proper separation between items. When the aisles are in operation, the chain plates are in the loading state, continuously discharging items as they move forward. Simultaneously, the chains transition from the loading state to the unloaded state. In the loaded state, the chain plates face upward, while in the unloaded state, they face downward. In the unloaded state, the chain plates can only return to the loading state by reversing the chain's motion. This is because the power components that drive the chain are located in a manner that interferes with the chain's range of motion. If the chain plates continue to move in the direction of discharging items, they will be blocked by the power components. The power components take up a lot of space in the aisle, reducing the number of items that can be placed. Furthermore, the chain must reciprocate to initialize the chain plate position. Furthermore, when unloaded, the dividers on the chain plate face downward vertically, below the pallets. This takes up space, increasing the required aisle space. This limits the number of pallets that can be placed inside the vending machine, resulting in low internal space utilization in existing vending machines.

[0003] In summary, two factors that cause space waste in the existing technology are the space occupied by the power components and the space occupied by the partition plate in an unloaded state. Summary of the Invention

[0004] The technical problem to be solved by the present invention is how to improve the internal space utilization rate of the automatic vending machine, thereby obtaining a cargo tray.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solution: the cargo pallet is provided with cargo lanes distributed side by side, the cargo lanes include a support assembly and a loading assembly, the support assembly is provided with an active end support, the loading assembly includes a chain and a chain plate, the chain is installed on the support assembly and stretched and expanded to form a ring with bending parts at both ends and a straight part in the middle, the chain plate is fixed on the chain and continuously arranged in a ring shape along the chain, the chain plate covers the active end support, the chain plate is provided with a bendable partition plate, the bending direction of the partition plate is in the same plane as the extension direction of the straight part, the cargo pallet is also provided with a bending stop rod for bending the partition plate and a recovery component for expanding the partition plate, the bending stop rod remains stationary relative to the support assembly, and the bending stop rod position At one of the turning parts, the restoration component is provided with a restoration push rod that pushes the partition plate along the movement direction of the chain plate. The restoration push rod is located at another turning part. The active end support member includes a base, a motor, and a sleeve. The base is fixedly connected to the profile. The base is provided with a support protrusion that provides sliding support to the sleeve. The sleeve is provided with a tubular end. The motor is fixedly connected to the base. The motor extends into the sleeve. The tubular end is located outside the motor. The output shaft of the motor is fixedly connected to the sleeve. The support protrusion is embedded in the tubular end. The outer side surface of the support protrusion is slidably connected to the inner surface of the tubular end. The sleeve is provided with transmission teeth distributed around the center line of the sleeve on the outer surface of the tubular end. The sleeve is embedded in the chain through the transmission teeth and is connected to the chain transmission.

[0006] This technical solution integrates the power structure and support structure by improving the active-end support structure. A power structure with external rotor drive characteristics is designed on the active-end support, hiding the necessary power structure on the active-end support, completely avoiding the design flaw of existing designs where the power components alone occupy space. On this basis, the structure of the partition plate is optimized and a structure is configured for the optimized partition plate to automatically drive its deformation, ensuring that the partition plate is flattened and upright when the chain plate is loaded, and bends and collapses when the chain plate is unloaded. After the chain plate enters the unloaded state, the partition plate releases most of the space it occupied when the chain plate was loaded. This significantly reduces the space occupied by the cargo aisle, while also enabling automatic initialization of the partition plate and greatly simplifying operation. As a result, the space occupied by the pallets is reduced, and the number of pallets that can be accommodated within the vending machine's interior increases, or the space between adjacent pallets for placing items is increased, thereby improving space utilization efficiency. At the same time, the improved active end support structure facilitates the chain plate to continuously cover the outside of the support assembly, and the movement range of the chain plate is not obstructed, allowing the chain to move in the same operating direction, that is, the chain moves in one direction, and repeatedly completes the operations of bending and unfolding the partition plate, so that the cargo aisle has the function of automatically restoring the initial state, avoiding the chain from running in reverse to initialize the partition plate, greatly improving the convenience of use and operation, avoiding reciprocating operation can reduce the wear of parts and components, thereby improving the stability and service life of the cargo aisle during the use stage.

[0007] The bendable feature of the partition plate in the technical solution of the present invention can be realized based on the hinge structure, chain link structure, spherical joint structure, and bellows structure in the prior art, and can also be realized based on the slot connection structure proposed in the present invention. Specifically, the chain plate includes a loading plate and a partition plate, the loading plate is provided with a loading surface, the partition plate protrudes from the loading surface, the partition plate includes a connector and a partition, the connector is connected to the loading surface, the connector and the partition are movably connected in a slot manner, each end of the connector is provided with a slide groove, each end of the partition is provided with a rotating shaft corresponding to the slide groove, and the partition is movably connected to the connector via the rotating shaft embedded in the slide groove. The slot connection structure can provide the partition plate with a stable connection structure and a reliable clamping effect at the slide groove. The clamping effect is used to establish a tight connection relationship between the rotating shaft of the partition and the connector and maintain the connection relationship, so that the partition plate can maintain a bent overall posture or a flat overall posture and exert a self-locking function. The slot connection structure has the characteristics of low production difficulty, flexible assembly, simple maintenance, and stable limiting function for limiting the position between the connector and the separator in a static state. More importantly, the structure occupies very little space and can contribute to improving space utilization.

[0008] Although the slot connection structure establishes a tight connection between the divider and the connector, and the divider maintains its bent or flattened position in its natural state through its self-locking function, the degree of self-locking in the flattened position is limited. In other words, the performance of maintaining the divider in the flattened upright position needs to be improved. To this end, the present invention provides three preferred structures to meet this requirement.

[0009] The first type is that a limiting surface is provided on the connecting member, and the limiting surface is located on the outside of the area right in the middle of the two slide grooves. A restricted surface corresponding to the limiting surface is provided on the side of the separator, and the width of the restricted surface is less than or equal to the diameter of the rotating shaft. The separator is connected to the limiting surface through the restricted surface to maintain a relative position perpendicular to the load surface of the chain plate. When the limiting surface and the restricted surface are in contact with each other, the separator is in a flat and upright state, and the restricted surface is located above the limiting surface. The relative position between the separator and the connecting member can be changed by driving the separator with an external force and then overcoming the friction between the separator and the connecting member. This structure that improves the degree of self-locking has the advantages of simple design and easy implementation.

[0010] The second type is that the separator is provided with a limiting protrusion, and the connector is provided with a limiting groove corresponding to the limiting protrusion. The separator is embedded in the limiting groove by the limiting protrusion to maintain a relative position perpendicular to the load surface of the chain plate. When the limiting protrusion is embedded in the limiting groove, the separator is in a flat and upright state, and the limiting protrusion is located above the limiting groove. The bent blocking rod hinders the movement of the separator, and the separator is pushed, and then the relative position between the separator and the connector can be changed after overcoming the friction between the separator and the connector. Since the connector clamps the separator at the slide groove, it also drives the separator to be squeezed toward the limiting groove. In this way, even if the limiting protrusion is worn or the limiting protrusion slightly deviates from the limiting groove, it will automatically move toward the position of the limiting groove with less resistance due to the aforementioned squeezing trend, that is, it will automatically embed into the limiting groove without the need for targeted positioning operation. This structure that improves the degree of self-locking has the advantages of accurate positioning and strong adaptability.

[0011] The third type involves a blocking surface provided on the connector, located downstream of the separator in the direction of chain motion. The blocking surface limits the separator's range of motion relative to the connector, maintaining a relative position perpendicular to the chain's load-bearing surface. The blocking surface limits the separator's swing range on the connector, and the location of the blocking surface represents the separator's ultimate swing position, at which the separator is flattened and upright. With the blocking surface in place, the separator's swing range is distributed on one side of the connector; without the blocking surface, the separator's swing range is distributed on both sides of the connector. Therefore, in addition to ensuring that the separator maintains a flat, upright position perpendicular to the chain's load-bearing surface at the given separator's ultimate position, the blocking surface also positions the separator on one side of the connector, tilting it relative to the chain's load-bearing surface.

[0012] All three structures mentioned above can significantly enhance the chain's performance in maintaining the splitter plate in a flat, upright position. The three structures do not interfere with each other. In addition to being able to be designed individually on the chain, any two of them can also be combined, or all three can be designed on the chain. This overall design, combining multiple retaining structures, is even more effective in maintaining the splitter plate in a flat, upright position.

[0013] The bending stopper remains stationary relative to the support assembly. When the moving chain plate passes through the area where the bending stopper is located, the upright separator plate is flattened and blocked by the bending stopper. The separator plate changes its position relative to the connecting member, and the separator plate changes from a flat overall posture to a bent overall posture. To allow the separator plate to undergo this change in a gradual manner, the bending stopper has an L-shaped cross-section and is provided with a preliminary bending guide end and a deep bending guide end. The distance from the preliminary bending guide end to the center of the bend is greater than the distance from the deep bending guide end to the center of the bend. The preliminary bending guide end and the deep bending guide end are arranged separately in a direction around the center of the bend. The deep bending guide end is located downstream of the preliminary bending guide end in the direction of movement of the chain plate. The distance from the preliminary bending guide end to the deep bending guide end is less than the length of the separator. The direction from the center of the bend to the preliminary bending guide end is inclined relative to the straight portion. The separator first contacts the preliminary bending guide end, and after being blocked by the preliminary bending guide end, the separator is tilted slightly. The separator then contacts the deep bending guide end, and after being blocked by the deep bending guide end, the separator is tilted significantly. Bending the separator in stages can avoid the huge impact force caused by bending the separator all at once, and increase the number of contacts in exchange for a low-impact bending operation. In addition, since the end of the loading assembly adjacent to the bending barrier serves as the delivery position for items output from the cargo channel, but is affected by the chain plate at the bend, the falling items will be blocked by the separator on the chain plate at the bend, and the actual delivery position will deviate from the set delivery position due to the blocking of the separator at the bend. In order to correct the defect of items being far away from the delivery position when being output, the direction from the center of the bend to the preliminary bending guide end is set to be a technical feature inclined to the straight part. The advantage of this approach is that the divider, at the bend of the chain, serves as an extension of the load-carrying surface of the straight chain plate, extending the conveying range of the cargo aisle. This extension is achieved by blocking the items at the bend during tipping, forcing them to fall away from the aisle. To prevent items from flipping after tipping, the divider needs to remain flat and upright until the items are easily supported by the divider and begin to slide along it. This allows the divider to more actively guide the items as they slide down the divider. When the divider is blocked by the initial bent guide end, the spatial posture change it undergoes precisely provides the aforementioned guidance.

[0014] To enhance the divider's guiding role during item delivery, the chain's bending radius near the return push rod is larger than the bending radius near the bending stop. This design ensures that the divider's guiding position is close to the designated delivery position, allowing the divider to adjust quickly and tilt in time, allowing for quick response to item delivery.

[0015] The sleeve is supported by the support protrusion, which helps it maintain its stretched, unrolled chain state. The support protrusion provides support from one end of the sleeve. To enhance the support provided to the sleeve, this technical solution provides a structure that supports both ends of the sleeve. The sleeve is provided with a rotating shaft end, and the base is provided with an axial hole. The rotating shaft end of the sleeve is embedded in the axial hole, and the rotating shaft end is slidably connected to the base. This ensures that both ends of the sleeve are supported.

[0016] The structure of the support protrusion only needs to meet the requirements of extending into the interior of the sleeve and being able to provide support for the sleeve to stretch and unfold the chain. Among all possible design structures, the preferred support protrusion structure is that the support protrusion is a tubular structure, a cavity is provided in the middle of the support protrusion, the tubular end of the sleeve is wrapped around the outside of the support protrusion, the motor extends into the cavity, and the support protrusion is wrapped around the outside of the motor. The structure of the support protrusion is also beneficial to increase the connection strength between the motor and the base. In addition, the larger the range of the support protrusion wrapping the motor, the higher the connection strength between the motor and the base. To this end, the wrapping range is increased by increasing the cavity depth. The distribution range of the cavity extends to the outside of the support protrusion and extends into other parts of the base, so that the depth of the cavity is greater than the length of the support protrusion.

[0017] When the active end support drives the chain to operate, maintaining the chain in the optimal stress-bearing posture helps to drive the chain smoothly. To this end, the chain is kept in the optimal stress-bearing posture by controlling the posture of the chain plate. A guide surface is provided on the base. The guide surface is located on both sides of the transmission teeth. The guide surface includes an arcuate portion and a flat portion. The arcuate portion is distributed around the center line of the sleeve. The arcuate portion and the flat portion have a smooth transition. The chain plate is slidably connected to the base along the guide surface. The guide surface helps the chain plate maintain a reasonable posture before passing the position of the transmission teeth, so that the chain is in a posture that can be paired with the transmission teeth outside the sleeve, and can then be driven.

[0018] The present invention adopts the above-mentioned technical solution: by optimizing the partition plate structure and power structure, the volume of the space occupied by the cargo tray is greatly reduced, the utilization efficiency of the limited space inside the vending machine is improved, the partition plate initialization operation is realized based on the unidirectional movement of the chain, and the degree of automation of the cargo tray is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] Figure 1 The present invention is a three-dimensional Figure I ;

[0021] Figure 2 The present invention is a three-dimensional Figure II;

[0022] Figure 3 This is a structural diagram of the cargo channel, bending barrier rod, and restoration push rod assembly of the present invention;

[0023] Figure 4 It is a structural schematic diagram of the combination of the carrying assembly and the supporting assembly of the cargo channel of the present invention;

[0024] Figure 5 This is a schematic structural diagram of the combination of the chain and support of the cargo channel of the present invention;

[0025] Figure 6 for Figure 5 Cross-sectional view at AA;

[0026] Figure 7 The three-dimensional space between the chain and the support of the cargo channel of the present invention Figure I ;

[0027] Figure 8 The three-dimensional space between the chain and the support of the cargo channel of the present invention Figure II ;

[0028] Figure 9 A schematic diagram of the structure of the partition plate of the present invention when it is blocked by a bent blocking rod;

[0029] Figure 10 A schematic structural diagram of the partition plate of the present invention when being pushed by the restoration push rod;

[0030] Figure 11 The three-dimensional shape of the chain plate when the partition plate of the present invention is in a flat and upright state Figure I ;

[0031] Figure 12 The three-dimensional shape of the chain plate when the partition plate of the present invention is in a flat and upright state Figure II ;

[0032] Figure 13 A three-dimensional diagram of the chain plate when the partition plate of the present invention is in a bent and retracted state;

[0033] Figure 14 It is a structural schematic diagram of the combination of the partition plate and the loading plate of the present invention;

[0034] Figure 15 It is a front view of the separator of the present invention;

[0035] Figure 16 is a perspective view of a separator of the present invention;

[0036] Figure 17 A perspective view of a connector according to the present invention;

[0037] Figure 18 The three-dimensional structure of the carrier plate of the present invention Figure I ;

[0038] Figure 19 The three-dimensional structure of the carrier plate of the present invention Figure II . DETAILED DESCRIPTION

[0039] like Figures 1 to 19 As shown, the cargo pallet includes a guide rail component 1, a cargo channel 2, a bending barrier rod 3, and a restoration component 4.

[0040] Aisles 2 are arranged side by side between two guide rail components 1, which are connected to the vending machine. The guide rail components 1 provide sliding support, allowing the entire row of aisles 2 to be pushed and pulled. This allows aisles 2 to be placed in an open area outside the vending machine when restocking items. Aisles 2 and guide rail components 1 are interlocked, and adjacent aisles 2 are also interlocked.

[0041] The cargo aisle 2 includes a support assembly and a loading assembly. The loading assembly is mounted on the support assembly.

[0042] The support assembly comprises a profile 5, a driving support member 6, and a driven support member 7. The profile 5 is generally flat and long. A groove is provided on each of its upper and lower sides, symmetrically spaced. The driving support member 6 is mounted on one end of the profile 5, and the driven support member 7 is mounted on the other. The driven support member 7 is equipped with a rotatable gear, the gear's transmission teeth's range of motion being aligned with the groove's extension.

[0043] The active end support 6 includes a base, a motor 16, and a sleeve 17. The base includes a connecting plate 8, a support I9, and a support II11. The contour of the connecting plate 8 corresponds to the contour of the cross section of the profile 5. The connecting plate 8 is provided with two notches corresponding to the grooves. The connecting plate 8 and the profile 5 are fixedly connected. After connection, one groove connects to one notch, and the two are directly connected. Support I9 and support II11 are located at the two ends of the connecting plate 8, respectively, and the notch is located between support I9 and support II11. Support II11 is integrally connected to the connecting plate 8, and support I9 is fixed to the connecting plate 8 by bolts. Support I9 is provided with a tubular support protrusion 10. A cylindrical cavity is provided in the middle of the support protrusion 10. The cavity extends into the interior of the support I9, making the depth of the cavity greater than the length of the support protrusion 10. After installation, the support protrusion 10 is located between support I9 and support II11, and the support protrusion 10 faces support II11. The support II 11 is provided with an axial hole 12 , and the center line of the axial hole 12 coincides with the center line of the supporting protrusion 10 .

[0044] Guide surfaces 13 are distributed on both support I9 and support II 11. Each guide surface 13 includes a curved portion 14 and a flat portion 15. The flat portion 15 is flush with and smoothly connected to the upper surface of the profile 5. The curved portion is distributed around the centerline of the support protrusion 10, and the curved portion 14 and the flat portion 15 have a smooth transition.

[0045] The motor 16 is mounted on the base and extends into the cavity of the support protrusion 10, that is, the support protrusion 10 is wrapped around the outside of the motor 16. The center line of the output shaft of the motor 16 coincides with the center line of the support protrusion 10.

[0046] The sleeve 17 is a cylindrical structure. It has a tubular end 18 and a rotating shaft end 19, which are connected as a whole and arranged along the centerline of the sleeve 17. The tubular end 18 of the sleeve 17 has a cavity. During installation, the support protrusion 10 is embedded in the tubular end 18 of the sleeve 17, so that the tubular end 18 of the sleeve 17 is wrapped around the outside of the support protrusion 10. In other words, the tubular end 18 is located outside the motor 16, and the output shaft of the motor 16 is embedded in the rotating shaft end 19 of the sleeve 17. The output shaft of the motor 16 is fixedly connected to the rotating shaft end 19, and the centerline of the output shaft of the motor 16 coincides with the centerline of the sleeve 17. The aforementioned arcuate surface is also distributed around the centerline of the sleeve 17. The outer surface of the support protrusion 10 is slidably connected to the inner surface of the tubular end 18 of the sleeve 17. The support protrusion 10 provides support to the sleeve 17 at one end. The shaft end 19 of the sleeve 17 is embedded in the shaft hole 12 , and the shaft end 19 is slidably connected to the support II 11 . The support II 11 provides support to the sleeve 17 at the other end.

[0047] The surface of the tubular end 18 of the sleeve 17 is provided with transmission teeth distributed at equal angles around the center line of the sleeve 17. The transmission teeth are located between the support I9 and the support II11, and the range of motion of the transmission teeth is located in the extension direction of the groove. The carrier assembly includes a chain 20 and a chain plate 23. The chain plate 23 includes a carrier plate 24 and a partition plate 27. The chain 20 is installed on the active end support 6 and the passive end support 7. The transmission teeth at both the active end support 6 and the passive end support 7 are connected to the chain 20. The chain 20 is stretched and expanded to form an annular structure with curved parts at both ends and a straight part in the middle. The bending radius of the chain 20 on the active end support 6 is larger than the bending radius of the chain 20 on the passive end support 7. The straight portion of chain 20 above profile 5 is designated as straight section I 21, and the straight portion of chain 20 below profile 5 is designated as straight section II 22. Therefore, straight section I 21 is located above straight section II 22. Straight section I 21 is fully embedded in the groove, while straight section II 22 partially extends into the groove. Straight section I 21 of chain 20 is parallel to profile 5, while straight section II 22 of chain 20 is inclined relative to profile 5.

[0048] The carrier plates 24 of the chain plate 23 are fixedly mounted on the chain 20 and are continuously distributed along the chain 20, covering the entire length of the chain 20 and arranged in a circular pattern along the chain 20. After installation, the two sides of the carrier plates 24 are slidably connected to the upper surface of the profile 5 above the profile 5. Because the guide surfaces 13 are located on both sides of the transmission teeth, and the distance from the curved surface 14 to the tubular end 18 of the sleeve 17 is equal to the depth of the groove, the two sides of the carrier plates 24 are slidably connected to the guide surfaces 13 of the base.

[0049] The direction of movement of the chain 20 is to ensure that the items located above the profile 5 are moved from the active end support 6 to the passive end support 7. The direction of movement of the straight section I 21 of the chain 20 is from the active end support 6 to the passive end support 7, and the direction of movement of the straight section II 22 of the chain 20 is from the passive end support 7 to the active end support 6. Any carrier plate 24 will slide over the profile 5, turn when passing the passive end support 7, then enter under the profile 5, turn when passing the active end support 6, and finally return to the top of the profile 5. The carrier plate 24 is not blocked wherever it passes. Both sides of the carrier plate 24 are slidably connected to the guide surface and the upper surface of the profile 5. The unidirectional movement of the chain 20 ensures that there is always a carrier plate 24 distributed above the profile 5, that is, there is always a carrier plate 24 for placing items distributed on the support assembly.

[0050] The carrier plate 24 is a flat, plate-like structure. One side of the carrier plate 24 is provided with a clamping portion for connecting to the links of the chain 20. The clamping portion consists of two protrusions protruding from the side of the carrier plate 24, between which the chain links are nested. The carrier plate 24 is provided with a series of aligned positioning holes 25, which are used to connect the carrier plate 24 to the separator plate 27. The separator plate 27 comprises a connector 28 and a separator 34, which are movably connected by a slot. Specifically, the slot structure comprises a slide 29 at each end of the connector 28, and a rotating shaft 35 at each end of the separator 34, corresponding to the slide 29. The separator 34 is movably connected to the connector 28 via the rotating shaft 35, which engages within the slide 29. Once the two are connected, the rotating shaft 35 is clamped within the slide 29. On the other side of the connecting member 28, a positioning protrusion 30 corresponding to the positioning hole 25 on the loading plate 24 is provided on the connecting member 28. The connecting member 28 is embedded in the positioning hole 25 through the positioning protrusion 30 and is movably connected to the loading plate 24. When disassembling, it is only necessary to pull the connecting member 28 out of the loading plate 24 with force; the partition plate 27 is assembled onto the loading plate 24 from the other side of the loading plate 24, and the surface on the other side of the loading plate 24 is the loading surface 26. After assembly, the partition plate 27 protrudes from the side of the loading plate 24 where the loading surface 26 is provided, and the connecting member 28 is connected to the loading surface 26. After the chain plate 23 is coupled to the chain 20, applying force to the separator 34 causes relative motion between the separator 34 and the connector 28. As the direction of the external force changes, the separator 34 swings on the connector 28. After the external force disappears, the relative position between the separator 34 and the connector 28 is maintained by the connector 28, where the shaft 35 is clamped within the groove. This maintains the self-locking state. Furthermore, the positioning holes 25 are evenly spaced and parallel to the straight portion. The different relative positions of the separator 34 and the connector 28 allow the separator 27 to assume either a bent or flat overall position, allowing it to bend and deform. On the load surface 26 of the chain plate 23, the separator 27 can assume a flat, upright position, with the separator 34 perpendicular to the load surface 26, or a bent, retracted position, with the separator 34 tilted relative to the load surface 26.

[0051] In order to obtain a more stable flat and upright state of the partition plate 27, the structure of the partition plate 27 of this embodiment has been optimized in the following three aspects. The first structural optimization. A limiting surface 31 of a planar structure is provided on the connecting member 28. The limiting surface 31 is located on the side of the connecting member 28 where the groove is provided. However, the limiting surface 31 is located on the outside of the area directly in the middle of the two slide grooves 29, that is, the two are not on the same horizontal plane. A limiting surface 36 of a planar structure corresponding to the limiting surface 31 is provided on the side of the partition 34. The limiting surface 36 is located on the side of the partition 34 where the rotating shaft 35 is provided. The width of the limiting surface 36 is less than or equal to the diameter of the rotating shaft 35. After the partition 34 rotates on the connecting member 28, the limiting surface 31 and the limiting surface 36 can fit together, that is, connect. At this time, the partition plate 27 is perpendicular to the loading surface 26, so that the partition 34 is connected to the limiting surface 31 through the limiting surface 36 to maintain a relative position perpendicular to the loading surface 26 of the chain plate 23. The second structural optimization is combined with the first structural optimization. The separator 34 is provided with a limiting protrusion 37, which protrudes from the surface of the restricted surface 36. The connector 28 is provided with a limiting groove 32 corresponding to the limiting protrusion 37. The limiting groove 32 is located at the location of the connector 28 where the limiting surface 31 is provided, and the orientation of the limiting groove 32 is consistent with the orientation of the limiting surface 31. When the limiting surface 31 and the restricted surface 36 are in contact with each other, that is, when the separator 27 is perpendicular to the load surface 26, the limiting protrusion 37 will be embedded in the limiting groove 32, so that the separator 34 is embedded in the limiting groove 32 with the limiting protrusion 37, and maintains its relative position perpendicular to the load surface 26 of the chain plate 23. This is the third structural optimization, which is also combined with the previous two. The connecting member 28 is provided with a blocking surface 33. Unlike the limiting grooves 32, which are concentrated at the location of the limiting surface 31, the blocking surface 33 is located above the limiting surface 31. The blocking surface 33's blocking direction intersects the direction of the limiting surface 31. The blocking surface 33 serves to limit the swing range of the divider 34 on the connecting member 28. The location of the blocking surface 33 represents the limit of the divider 34's swing, which coincides with the position of the divider 27 in the flat, upright position. Therefore, the positioning of the blocking surface 33 relative to the divider 34 is specific: the blocking surface 33 must be located downstream of the divider 34 in the direction of movement of the chain 23. When the divider 34 is in the limit position, the blocking surface 33 limits its range of motion relative to the connecting member 28, maintaining its relative position perpendicular to the load surface 26 of the chain 23. The three optimized features described above, combined without interfering with each other, significantly enhance the overall performance of the chain 23 in maintaining the divider 27 in the flat, upright position.

[0052] The swinging direction of the divider 34 on the connecting member 28 is in the same plane as the extension direction of the straight portion. When the divider 27 is flattened and upright, it provides a structural foundation for efficient space utilization for storing items. When the divider 27 is bent and collapsed, it does not provide a structural foundation for storing items. When flattened and upright, the divider 27 is perpendicular to the loading surface 26 of the loading plate 24.

[0053] The bending barrier 3 is mounted on the pallet, and both ends of the bending barrier 3 are respectively connected to the guide rail component 1. The same bending barrier 3 can serve multiple cargo lanes 2 at the same time, so that the bending barrier 3 remains stationary relative to the support assembly.

[0054] The bending stopper 3 is located at one of the bends of the chain 20 and is adjacent to the driven end support member 7. The bending stopper has an L-shaped cross-section. The bending stopper is provided with a preliminary bending guide end 38 and a deep bending guide end 39. When the partition plate 27 is in a flattened and upright state, the partition 34 is perpendicular to the load surface 26 of the chain plate 23. In this state, as the chain 20 moves, the partition 34 is blocked by the bending stopper 3. Therefore, the position of the bending stopper 3 intersects with the range of motion of the partition 34 when it is perpendicular to the load surface 26 of the chain plate 23. Ultimately, the partition 34 is blocked from tilting relative to the load surface 26 of the chain plate 23 by the bending stopper 3.

[0055] The distance from the preliminary bending guide end 38 to the center of the turning part is greater than the distance from the deep bending guide end 39 to the center of the turning part. The preliminary bending guide end 38 and the deep bending guide end 39 are arranged separately in the direction around the center of the turning part, and the deep bending guide end 39 is located downstream of the preliminary bending guide end 38 in the swinging direction from the straight part to the turning part. The distance from the preliminary bending guide end 38 to the deep bending guide end 39 is less than the length of the partition 34, and the direction from the center of the turning part to the preliminary bending guide end 38 is inclined to the straight part. The separator 34 first contacts the preliminary bending guide end 38 in a flat and upright state. The preliminary bending guide end 38 blocks the separator 34 from following the movement of the chain 20, and then the separator 34 is squeezed by the preliminary bending guide end 38 and changes its position relative to the connecting member 28. After being blocked by the preliminary bending guide end 38, the separator 34 is in a slight tilt; the separator 34 then contacts the deep bending guide end 39. After being blocked by the deep bending guide end 39, the separator 34 is in a large tilt, and finally the separator plate 27 leaves the bending stop rod 3 in a bent and retracted state.

[0056] The restoration component 4 is installed on the pallet. The restoration component 4 includes a motor 16, a reducer 40 and a restoration push rod 41. The motor 16 is installed on the reducer 40, and the reducer 40 is fixed on one of the guide rail components 1. One end of the restoration push rod 41 is connected to the reducer 40, and the other end of the restoration push rod 41 is movably connected to the other guide rail component 1. The restoration push rod 41 is in a stretched C shape as a whole, with its two ends being swing arm parts and the middle being a long rod part. One swing arm part of the restoration push rod 41 is connected to the reducer 40, and the other swing arm part is movably connected to the guide rail component 1. After the motor 16 is started, it can drive the restoration push rod 41 to rotate, so that the long rod part of the restoration push rod 41 performs a rotary motion. The restoration component 4 is located at another turning part of the chain 20, and the restoration push rod 41 is adjacent to the active end support 6. The same restoration push rod 41 can serve multiple cargo lanes 2.

[0057] The range of motion of the restoration push rod 41 intersects with the range of motion of the bent and retracted divider 27. The direction of motion of the restoration push rod 41 and the direction of rotation of the long rod portion follow the direction of motion of the chain plate 23. When the chain plate 23 passes through the range of motion of the restoration push rod 41, the long rod portion of the restoration push rod 41 extends into one side of the inclined divider. The movement speed of the long rod portion of the restoration push rod 41 is greater than the speed of the divider 34 moving along the chain 20, allowing the long rod portion of the restoration push rod 41 to push the divider 34 until the divider 27 returns to its flattened, upright state. At the same time, the restoration push rod 41 disengages the divider 34 of the currently flattened, upright divider 27, and then begins the process of unfolding the divider 27 for the next chain plate 23.

[0058] In the initial state, the chain plates 23 located above the profile 5 have their dividers 27 perpendicular to the loading surface 26 of the loading plate 24. The dividers 27 are in a flat, upright position above the aisle 2. During use, items are placed on the chain plates 23, supported by the loading plate 24 and separated by the dividers 27. When the aisle 2 responds to an operation command to discharge items, the chain 20 rotates and drives the chain plates 23 toward the bend near the bending bar 3. As the items follow the chain plates 23 from the straight section into the bend, they tilt accordingly. Any overturned items are guided by the dividers 27 in front of them and removed from the aisle 2. The dividers 27 then enter the bending bar 3 in a flat, upright position, finally exiting the bending bar 3 in a bent, collapsed position. The dividers 27 below the aisle 2 are in a collapsed position. When the chain plate 23 moves into the movement range of the restoration push rod 41, the bent partition plate 27 will be pushed by the restoration push rod 41 to unfold the partition plate 27 again, so that the partition plate 27 on the chain plate 23 returns to the flat and upright state and enters the position above the profile 5 again.

Claims

1. A cargo pallet, wherein the cargo pallet is provided with cargo lanes (2) arranged side by side, the cargo lanes (2) comprising a support assembly and a loading assembly, the support assembly being provided with an active end support member (6), the loading assembly comprising a chain (20) and a chain plate (23), the chain (20) being mounted on the support assembly and stretched to form a ring shape with curved portions at both ends and a straight portion in the middle, characterized in that: The chain plate (23) is fixed on the chain (20) and is arranged continuously in a ring shape along the chain (20). The chain plate (23) covers the active end support member (6). A bendable partition plate (27) is provided on the chain plate (23). The bending direction of the partition plate (27) is in the same plane as the extension direction of the straight part. The cargo pallet is also provided with a bending stopper (3) for bending the partition plate (27) and a recovery component (4) for unfolding the partition plate (27). The bending stopper (3) remains stationary relative to the support assembly. The bending stopper (3) is located at one of the turning parts. The recovery component (4) is provided with a recovery push rod (41) for pushing the partition plate (27) along the movement direction of the chain plate (23). The recovery push rod (41) is located at the other turning part. The active end support member (6) includes a base, a motor (16), a sleeve (17), the base is fixedly connected to the profile (5), the base is provided with a support protrusion (10) that provides sliding support to the sleeve (17), the sleeve (17) is provided with a tubular end (18), the motor (16) is fixedly connected to the base, the motor (16) extends into the sleeve (17), the tubular end (18) is located outside the motor (16), the output shaft of the motor (16) is fixedly connected to the sleeve (17), the support protrusion (10) is embedded in the tubular end (18), the outer side surface of the support protrusion (10) is slidably connected to the inner surface of the tubular end (18), the sleeve (17) is provided with transmission teeth distributed around the center line of the sleeve (17) on the outer surface of the tubular end (18), and the sleeve (17) is embedded in the chain (20) through the transmission teeth and is transmission-connected to the chain (20).

2. The pallet according to claim 1, characterized in that: The chain plate (23) includes a loading plate (24) and a partition plate (27). The loading plate (24) is provided with a loading surface (26). The partition plate (27) protrudes from the loading surface (26). The partition plate (27) includes a connecting member (28) and a partition (34). The connecting member (28) is connected to the loading surface (26). The connecting member (28) and the partition (34) are movably connected in a slot manner. A sliding groove (29) is respectively provided at both ends of the connecting member (28). A rotating shaft (35) corresponding to the sliding groove (29) is respectively provided at both ends of the partition (34). The partition (34) is embedded in the sliding groove (29) through the rotating shaft (35) and is movably connected to the connecting member (28).

3. The pallet according to claim 2, characterized in that: The connecting member (28) is provided with a limiting surface (31), and the limiting surface (31) is located outside the area in the middle of the two sliding grooves (29). The side surface of the separator (34) is provided with a limiting surface (36) corresponding to the limiting surface (31), and the width of the limiting surface (36) is less than or equal to the diameter of the rotating shaft (35). The separator (34) is connected to the limiting surface (31) through the limiting surface (36) to maintain a relative position perpendicular to the loading surface (26) of the chain plate (23).

4. The pallet according to claim 2, characterized in that: The separator (34) is provided with a limiting protrusion (37), and the connecting member (28) is provided with a limiting groove (32) corresponding to the limiting protrusion (37). The separator (34) is embedded in the limiting groove (32) through the limiting protrusion (37) to maintain a relative position perpendicular to the loading surface (26) of the chain plate (23).

5. The pallet according to claim 2, characterized in that: The connecting member (28) is provided with a blocking surface (33), and the blocking surface (33) is located downstream of the partition (34) in the movement direction of the chain plate (23). The partition (34) limits the movement range of the partition (34) relative to the connecting member (28) through the blocking surface (33), so that the partition (34) maintains a relative position perpendicular to the load surface (26) of the chain plate (23).

6. The pallet according to claim 1, characterized in that: The cross section of the bending baffle is L-shaped, and the bending baffle is provided with a preliminary bending guide end (38) and a deep bending guide end (39). The distance from the preliminary bending guide end (38) to the center of the turning part is greater than the distance from the deep bending guide end (39) to the center of the turning part. The preliminary bending guide end (38) and the deep bending guide end (39) are arranged separately in the direction around the center of the turning part. The deep bending guide end (39) is located downstream of the preliminary bending guide end (38) in the movement direction of the chain plate (23). The distance from the preliminary bending guide end (38) to the deep bending guide end (39) is less than the length of the partition (34). The direction from the center of the turning part to the preliminary bending guide end (38) is inclined to the straight part.

7. The pallet according to claim 6, characterized in that: The turning radius of the chain (20) at the turning portion adjacent to the restoration push rod (41) is greater than the turning radius of the chain (20) at the turning portion adjacent to the bending stop rod (3).

8. The pallet according to claim 1, characterized in that: The sleeve (17) is provided with a rotating shaft end (19), the base is provided with an axial hole (12), the rotating shaft end (19) of the sleeve (17) is embedded in the axial hole (12), and the rotating shaft end (19) is slidably connected to the base.

9. The pallet according to claim 1, characterized in that: The support protrusion (10) is a tubular structure, a cavity is provided in the middle of the support protrusion (10), the tubular end (18) of the sleeve (17) is wrapped around the outside of the support protrusion (10), the motor (16) extends into the cavity, the support protrusion (10) is wrapped around the outside of the motor (16), and the depth of the cavity is greater than the length of the support protrusion (10).

10. The pallet according to claim 1, characterized in that: The base is provided with a guide surface (13), the guide surface (13) is located on both sides of the transmission tooth, the guide surface (13) includes an arc surface portion (14) and a plane portion (15), the arc surface portion is distributed around the center line of the sleeve (17), the arc surface portion (14) and the plane portion (15) have a smooth transition, and the chain plate (23) is slidably connected to the base along the guide surface (13).

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