1. The lifting machine is characterized by comprising a supporting frame, a driving mechanism and a plurality of freight units, wherein the driving mechanism is installed on the supporting frame and is provided with a preset driving track, and the driving mechanism is used for driving each freight unit to sequentially lift along the driving track, so that the freight units can convey a material box taken out by a box taking robot at the top of a goods shelf to the lower part of the goods shelf or convey the material box at the lower part of the goods shelf to the top of the goods shelf.

2. A hoisting machine as claimed in claim 1, characterized in that at least two of the cargo units can be located simultaneously on top of the pallet.

3. The hoist as claimed in claim 2, characterized in that the load-bearing surfaces of at least two of the cargo units are flush with the top of the pallet when the cargo units are on the top of the pallet.

4. The hoisting machine as claimed in any one of claims 1 to 3, characterized in that the drive traj ectory is at least one of circular, rectangular, Jiong-shaped or a few-shaped.

5. A hoisting machine as claimed in any one of claims 1 to 3, characterized in that the drive track matches the contour of the side of the pallet.

6. The hoisting machine as claimed in any one of claims 1 to 3, characterized in that the driving mechanism comprises a driving component and a transmission component, the freight units are arranged on the transmission component at intervals, and the driving component is connected with the transmission component so as to drive the freight units to sequentially lift along the driving track through the transmission component.

7. The hoisting machine as recited in claim 6, wherein the drive assembly includes a plurality of drive wheels and a drive member engaged with each of the drive wheels, the drive path of the drive member being coincident with the drive path, the drive wheels being connected to the support frame and rotating relative thereto;

any one of the driving wheels is connected with the driving component, a connecting part is arranged on the freight transport unit, and the connecting part is connected with the transmission part.

8. A hoisting machine as claimed in claim 7, characterized in that the transmission element has an engagement side, which is in engagement with the drive wheel, and a coupling side, on which the coupling part is coupled;

the engaging side and the connecting side are oppositely arranged, or the engaging side and the connecting side are adjacently arranged.

9. The hoisting machine as claimed in claim 7, characterized in that the number of said connecting parts is two, two of said connecting parts being located on opposite sides of said cargo unit;

the number of the transmission assemblies is two, the driving assemblies drive the two transmission assemblies to move synchronously, and the two connecting parts on the same freight unit are respectively connected with the transmission parts in the different transmission assemblies.

10. A hoisting machine as claimed in claim 7, characterized in that the transmission element is a chain or a toothed rack.

11. A warehousing system comprising a shelf, at least one case extractor robot movable on top of the shelf to extract material cases in the shelf on top of the shelf and to transfer the material cases onto or into the shipping unit of the elevator when the shipping unit reaches the top of the shelf, and at least one lift according to any one of claims 1 to 10.

12. The warehousing system of claim 11, wherein the shelf comprises a plurality of storage columns arranged vertically and a track arranged at the top of each storage column, the box extractor robot moves along the track, and a plurality of material boxes are stacked in the storage columns in a vertical direction.

13. The warehousing system of claim 12, wherein said lifts are at least two, each located on a different side of said shelves.

14. The bin storage system according to claim 12, further comprising a transfer robot operable to pick and place the material bin on the elevator.

Background

Intelligent warehousing is an important link in the logistics process. The application of intelligent warehousing ensures the speed and accuracy of data input in each link of goods warehouse management, ensures that enterprises can timely and accurately master real data of inventory, and reasonably keeps and controls the inventory of the enterprises.

The warehousing system can comprise a box taking robot and a box transporting robot, wherein the box taking robot runs on the upper layer of the dense storage shelf and can be used for taking out the storage boxes placed in the dense storage warehouse and placing the storage boxes on the box transporting robot, and the box transporting robot moves in the vertical direction to transport the storage boxes from the top of the shelf to the bottom of the shelf.

However, the box transporting robot can only transport one storage box at a time, and it takes a long time for the box transporting robot to transport one storage box, resulting in low efficiency in transporting the material boxes from the top of the shelf.

Disclosure of Invention

The application provides a lifting machine and warehouse system can improve the efficiency of transporting the material case from goods shelves top.

In a first aspect, the application provides a lifting machine, including support frame, actuating mechanism and a plurality of freight transportation unit, actuating mechanism installs on the support frame, and actuating mechanism has predetermined drive orbit, and actuating mechanism is used for driving each freight transportation unit to go up and down along the drive orbit in proper order to make the freight transportation unit transport the material case that gets out of the case getting robot at goods shelves top to the lower part of goods shelves, or transport the material case of goods shelves lower part to the top of goods shelves.

In one possible implementation, the present application provides a lift in which at least two cargo units can be simultaneously located on the top of the rack.

In one possible implementation, the present application provides a lift in which the load bearing surfaces of at least two of the cargo units are flush with the top of the pallet when the cargo units are positioned on the top of the pallet.

In one possible implementation manner, the hoist provided by the application has a driving track in at least one of a circular shape, a rectangular shape, an Jiong shape or a zigzag shape.

In one possible implementation, the hoist provided by the application has a driving track matched with the profile of the side edge of the goods shelf.

In a possible implementation manner, the driving mechanism of the elevator provided by the application comprises a driving component and a transmission component, wherein the freight units are arranged on the transmission component at intervals, and the driving component is connected with the transmission component so as to drive the freight units to sequentially lift along a driving track through the transmission component.

In a possible implementation manner, the transmission assembly of the elevator provided by the application comprises a plurality of transmission wheels and transmission parts meshed with the transmission wheels, the transmission track of each transmission part is consistent with the driving track, and the transmission wheels are connected with the support frame and rotate relative to the support frame;

any driving wheel is connected with the driving component, the freight unit is provided with a connecting part, and the connecting part is connected with the driving component.

In one possible implementation, the present application provides a hoisting machine, the transmission member having an engagement side and a connection side, the engagement side engaging with the transmission wheel, the connection side being connected to the connection side;

the engaging side is disposed opposite the connecting side, or the engaging side is disposed adjacent to the connecting side.

In one possible implementation manner, in the hoisting machine provided by the application, the number of the connecting parts is two, and the two connecting parts are respectively located at two opposite sides of the freight unit;

the number of the transmission assemblies is two, the driving assemblies drive the two transmission assemblies to move synchronously, and two connecting parts on the same freight unit are respectively connected with transmission parts in different transmission assemblies.

In one possible implementation manner, the driving member of the hoisting machine provided by the application is a chain or a rack.

In a second aspect, the present application provides a warehousing system, including a shelf, at least one container taking robot and at least one above-mentioned elevator, the container taking robot can move on the top of the shelf, so as to take a material box in the shelf on the top of the shelf, and when a freight unit of the elevator reaches the top of the shelf, carry the material box onto the freight unit, or carry the material box on the freight unit into the shelf.

In a possible implementation manner, the storage rack of the storage system provided by the application comprises a plurality of storage columns which are vertically arranged and rails which are arranged at the tops of the storage columns, the box taking robot moves along the rails, and a plurality of layers of material boxes are stacked in the storage columns along the vertical direction.

In one possible implementation, the warehouse system provided by the application has at least two hoists, and each hoist is respectively positioned at different sides of the goods shelf.

In a possible implementation manner, the warehousing system provided by the application further comprises a carrying robot, and the carrying robot can take and place the material box on the lifting machine.

The application provides an elevator and warehouse system, the elevator is through setting up actuating mechanism and a plurality of freight transportation unit, actuating mechanism can have predetermined drive orbit, each freight transportation unit can set up at interval and change the drive orbit on, so that each freight transportation unit of actuating mechanism drive goes up and down along the drive orbit in proper order, in the in-process that the freight transportation unit goes up and down, the freight transportation unit arrives the top of goods shelves in proper order, thereby make the freight transportation unit transport the material case that gets out the punch-out equipment ware people at goods shelves top to the lower part of goods shelves, or transport the material case of goods shelves lower part to the top of goods shelves. From this, a plurality of material casees can be carried to the support frame, have improved the efficiency that the lifting machine transported the material case from the top of goods shelves.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a hoisting machine according to an embodiment of the present disclosure;

fig. 2 is a usage state diagram of a hoisting machine according to an embodiment of the present application;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic shape diagram of a first driving mechanism in the hoisting machine according to the embodiment of the present application;

fig. 5 is a schematic shape diagram of a second driving mechanism in the hoist according to the embodiment of the present disclosure;

fig. 6 is a schematic shape diagram of a third driving mechanism in the hoisting machine according to the embodiment of the present application;

fig. 7 is a schematic shape diagram of a fourth driving mechanism in the hoisting machine according to the embodiment of the present application;

fig. 8 is a schematic shape diagram of a fifth driving mechanism in the hoist according to the embodiment of the present disclosure;

FIG. 9 is a first schematic structural diagram of a driving member and a cargo unit in the hoist according to the embodiment of the present disclosure;

fig. 10 is a second schematic structural diagram of a transmission member and a cargo unit in the hoist according to the embodiment of the present disclosure;

fig. 11 is a schematic structural diagram of a warehousing system according to an embodiment of the present application.

Description of reference numerals:

100-hoisting machine; 110-a support frame; 120-a drive mechanism; 121-a drive assembly; 122-a transmission assembly; 1221-a transmission wheel; 1222-a transmission; 1223-engaging side; 1224 — the connection side; 130-cargo units; 131-a connecting portion;

200-a shelf; 210-a storage column; 220-a track;

300-a material box;

400-box taking robot; 410-box taking robot body; 420-a telescopic gripping mechanism; 430-a moving mechanism;

500-transfer robot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., such that a first connection, a second connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientation or positional relationships illustrated in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.

The terms "first," "second," and "third" (if any) in the description and claims of this application and the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or display that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or display.

The warehousing system can be including getting punch-out equipment robot, fortune punch-out equipment robot and goods shelves, and the goods shelves can be including being columnar storage area, and each storage area is vertical to be set up, and is rectangular array and arranges, adjacent storage area butt. Each storage area may stack a plurality of material bins in a vertical direction to form a dense storage rack. The top of each storage area can be called as a grid, and the material boxes in the same storage area are taken out by the box taking robot through the grids in sequence. The box taking robot runs on the upper layer of the dense storage shelf, the box taking robot can be used for taking out the material boxes placed in the dense storage warehouse, the storage boxes are placed on the box transporting robot, and the box transporting robot moves in the vertical direction to transport the storage boxes to the bottom of the shelf from the top of the shelf.

However, the box transporting robot can only transport one storage box at a time, and it takes a long time for the box transporting robot to transport one storage box, resulting in low efficiency in transporting the material boxes from the top of the shelf.

Based on this, this application provides a lifting machine and warehouse system, through a plurality of material casees of lift transportation of lifting machine, can improve the efficiency of transporting the material case from goods shelves top.

Fig. 1 is a schematic structural diagram of a hoisting machine according to an embodiment of the present disclosure; fig. 2 is a usage state diagram of a hoisting machine according to an embodiment of the present application; fig. 3 is a top view of fig. 2. Referring to fig. 1 to 3, an embodiment of the present application provides a lifting machine 100, which includes a supporting frame 110, a driving mechanism 120 and a plurality of cargo units 130, wherein the driving mechanism 120 is mounted on the supporting frame 110, the driving mechanism 120 has a preset driving track, and the driving mechanism 120 is configured to drive each cargo unit 130 to sequentially move up and down along the driving track, so that the cargo units 130 transport a material box 300 taken out by a box taking robot 400 at the top of a shelf 200 to the lower part of the shelf 200, or transport the material box 300 at the lower part of the shelf 200 to the top of the shelf 200.

It should be noted that the box taking robot 400 in the embodiment of the present application may be applied to different fields of warehouse-out and goods taking of inventory products in the manufacturing industry and warehouse-out and goods taking of inventory products in the retail industry, and may also be applied to express warehouse-out and goods taking of e-commerce logistics, and related products or goods may be industrial parts, electronic accessories or products, medicines, clothing accessories, foods, books, and the like.

Specifically, the box taking robot 400 may move on the top of the shelf 200, so as to take the material box 300 in the shelf 200 on the top of the shelf 200 and carry the material box 300 to the cargo unit 130 of the elevator 100, or carry the material box 300 on the cargo unit 130 of the elevator 100 into the shelf 200.

The box taking robot 400 may include a box taking robot body 410, a telescopic grabbing mechanism 420, and a moving mechanism 430. The telescopic grabbing mechanism 420 and the moving mechanism 430 are both connected with the box taking robot body 410, and the moving mechanism 430 is used for driving the box taking robot body 410 to move on the top of the shelf 200. As shown in fig. 2, the retractable grasping mechanism 420 is retractable with respect to the box extractor robot body 410 so as to extend into the shelf 200 and extract the stacked uppermost material box 300 in the shelf 200.

It should be noted that the telescopic grabbing mechanism 420 may be a steel cable, a steel belt, and a claw or a suction cup connected to the steel cable or the steel belt, which are commonly used by those skilled in the art, and correspondingly, the material tank 300 may also be provided with a connecting portion, such as a hook, for facilitating grabbing or suction by the telescopic grabbing mechanism 420. The moving mechanism 430 may be a moving mechanism driving wheel and a moving mechanism driving member connected to the moving mechanism driving wheel, wherein the moving mechanism driving member may be a rotating motor or a rotating cylinder. The telescopic part on the box taking robot body 410 may be a telescopic member and a telescopic part driving member connected with the telescopic member, the telescopic member is connected with the telescopic grabbing mechanism 420, and the telescopic part driving member drives the telescopic member to stretch, so as to drive the telescopic grabbing mechanism 420 to move toward the middle position of the freight unit 130 of the elevator 100. Wherein, the driving part of the telescopic part can be a linear motor or a hydraulic cylinder or a pneumatic cylinder. The present application does not limit the structures of the telescopic grasping mechanism 420, the moving mechanism 430, and the telescopic portion of the box picker robot body 410.

In the present application, the support bracket 110 is used to support the drive mechanism 120 and each cargo unit 130. The driving mechanism 120 may have a preset driving track, and the freight units 130 may be disposed at intervals on the driving track, so that the driving mechanism 120 drives the freight units 130 to sequentially move up and down along the driving track, and during the moving up and down of the freight units 130, the freight units 130 sequentially reach the top of the shelf 200, so that the freight units 130 transport the material containers 300 taken out by the box-taking robot 400 at the top of the shelf 200 to the lower part of the shelf 200, or transport the material containers 300 at the lower part of the shelf 200 to the top of the shelf 200. Therefore, the supporting frame 110 can carry a plurality of material boxes 300, and the efficiency of the hoister 100 for transporting the material boxes 300 from the top of the shelf 200 is improved.

In a specific implementation, two or more box taking robots 400 may be provided on the top of the shelf 200, so that each box taking robot 400 can timely place the material box 300 thereon on the cargo unit 130 of the elevator 100. In some embodiments, at least two of the cargo units 130 may be simultaneously positioned on top of the shelf 200.

Specifically, in the process that the driving mechanism 120 drives the cargo units 130 to sequentially move up and down along the driving track, at least two cargo units 130 may simultaneously reach the top of the shelf 200, and thus, the at least two box taking robots 400 may simultaneously place the material boxes 300 located on the box taking robots 400 on different cargo units 130 reaching the top of the shelf 200, so that the box taking robots 400 may immediately perform the operation of taking the material boxes 300 from the inside of the shelf 200, and the box taking robots 400 do not need to wait in line when placing the material boxes 300. Accordingly, the freight unit 130 of the lifter 100 can transport at least two material boxes 300 to the top of the shelf 200 at the same time, so that the material boxes can be taken away by different box taking robots 400 in time, thereby improving the working efficiency of the lifter 100 and the box taking robots 400.

In some embodiments, the load bearing surfaces of at least two of the cargo units 130 are flush with the top of the pallet 200 when the cargo units 130 are positioned on the top of the pallet 200. In this way, it is possible for at least two case picker robots 400 to simultaneously place the material cases 300 on the cargo unit 130.

In the present application, the preset driving trajectory of the driving mechanism 120 may be at least one of a circular shape, a rectangular shape, an Jiong-shaped shape, or a several-shaped shape.

The preset driving paths of the different driving mechanisms 120 will be described with reference to the drawings.

Fig. 4 is a schematic shape diagram of a first driving mechanism in the hoisting machine according to the embodiment of the present application;

fig. 5 is a schematic shape diagram of a second driving mechanism in the hoist according to the embodiment of the present disclosure; fig. 6 is a schematic shape diagram of a third driving mechanism in the hoisting machine according to the embodiment of the present application. Referring to fig. 4 to 6, the preset driving trajectory of the driving mechanism 120 may be a closed trajectory. Specifically, the preset driving trajectory of the driving mechanism 120 may be a rectangular trajectory in fig. 4 and 5. Alternatively, the preset driving locus of the driving mechanism 120 may be a circular locus in fig. 6. The drive mechanism 120 may be forward or reverse such that the drive mechanism 120 may cyclically drive the cargo unit 130 along its predetermined drive path.

In particular implementations, the predetermined drive trajectory of drive mechanism 120 may be located within an area formed by the side of shelf 200, such as shown in fig. 4. The predetermined drive trajectory of drive mechanism 120 may be partially outside the area defined by the sides of shelf 200, such as shown in fig. 5 and 6. The embodiment is not limited herein.

Wherein the drive trajectory matches the profile of the side of the shelf 200. Thus, the side of the pallet 200 can serve as a support stand 110 for a portion of the lift 100.

Next, the operation of the hoist 100 will be described by taking fig. 4 as an example. For example, the cargo unit 130 at the lower portion of the shelf 200 may simultaneously place a plurality of material containers 300, thereby sequentially transporting the material containers 300 to the top of the shelf 200, and the container taking robot 400 takes the material containers 300 and puts them in the shelf 200. Meanwhile, the box taking robot 400 places the material box 300 taken from the inside of the shelf 200 on the material box 300 at the top of the shelf 200, thereby being transported to the lower portion of the shelf 200 by the cargo unit 130.

Fig. 7 is a schematic shape diagram of a fourth driving mechanism in the hoisting machine according to the embodiment of the present application; fig. 8 is a schematic shape diagram of a fifth driving mechanism in the hoisting machine according to the embodiment of the present application. Referring to fig. 7 and 8, the preset driving trajectory of the driving mechanism 120 may be an unclosed trajectory. Specifically, the preset driving track of the driving mechanism 120 may be a zigzag track in fig. 7. I.e., the left and right sides of the pallet 200 in fig. 7, may have a plurality of horizontally disposed cargo units 130. The preset driving trajectory of the driving mechanism 120 may be an Jiong-shaped trajectory in fig. 8. At this time, the driving mechanism 120 may be rotated forward and backward to drive the cargo unit 130 along its preset driving trajectory.

Next, the structure of the drive mechanism 120 will be described.

Referring to fig. 1, 4 to 8, in the elevator 100 according to the embodiment of the present application, the driving mechanism 120 includes a driving assembly 121 and a transmission assembly 122, the cargo units 130 are disposed on the transmission assembly 122 at intervals, and the driving assembly 121 is connected to the transmission assembly 122 to drive the cargo units 130 to sequentially lift along the driving track through the transmission assembly 122.

In a specific implementation, the transmission assembly 122 includes a plurality of transmission wheels 1221 and transmission members 1222 engaged with the transmission wheels 1221, a transmission track of the transmission members 1222 is identical to a driving track, and the transmission wheels 1221 are connected with the support frame 110 and rotate relatively to the support frame 110;

any of the driving wheels 1221 is connected to the driving assembly 121, and the cargo unit 130 is provided with a connecting portion 131, and the connecting portion 131 is connected to the transmission member 1222.

The supporting frame 110 may have a plurality of spindles, and the driving wheel 1221 is inserted into the spindles and rotates relative to the spindles. In order to allow the driving wheel 1221 to smoothly rotate, a bearing may be provided between the driving wheel 1221 and the spindle. The transmission wheels 1221 may be arranged at intervals and uniformly on the transmission member 1222.

It will be appreciated that the transmission track of transmission member 1222 is supported by transmission wheel 1221, transmission wheel 1221 providing support for transmission member 1222 to maintain its transmission track.

In a possible implementation manner, the driving assembly 121 may include a motor and a transmission structure connected to the motor, wherein the motor drives the transmission structure to rotate, and the transmission structure may be a chain transmission structure, a belt transmission structure, or other transmission structures familiar to those skilled in the art. For convenience of description, a belt driving structure is explained herein. The belt transmission structure comprises a driving belt wheel, a driven belt wheel and a belt, and the belt is sleeved on the driving belt wheel and the driven belt wheel. The motor is connected with a driving belt wheel, and the driven belt wheel is coaxially connected with a driving wheel 1221. The motor drives the driving pulley to rotate, the driving pulley drives the belt to rotate, so that the driven pulley rotates, the driven pulley drives the transmission wheel 1221 to rotate due to the coaxial connection of the driven pulley and the transmission wheel 1221, the transmission wheel 1221 drives the transmission member 1222 to rotate, and therefore each freight unit 130 sequentially goes up and down along the driving track.

In another possible implementation, the driving wheel 1221 connected to the driving assembly 121 may be a composite wheel, i.e., the driving wheel 1221 and the driven pulley coaxially connected to the driven pulley are integrally formed, thereby forming a composite wheel. The remaining structure of the driving element 121 is the same as that of the above embodiments, and is not described herein again.

In the hoisting machine 100 provided by the embodiment of the present application, the transmission member 1222 is a chain or a rack. For convenience of description, the transmission member 1222 is a rack hereinafter.

Fig. 9 is a first schematic structural diagram of a transmission member and a cargo unit in a hoist according to an embodiment of the present invention. Referring to fig. 1, 4 to 6 and 9, in one possible implementation, the transmission member 1222 has an engagement side 1223 and a connection side 1224 arranged opposite to each other, the engagement side 1223 is engaged with the transmission wheel 1221, and the connection portion 131 is connected to the connection side 1224.

Specifically, the inner surface of the rack has teeth, forming the engagement side 1223, and the outer surface of the rack is the attachment side 1224.

Fig. 10 is a second schematic structural diagram of a transmission element and a cargo unit in the hoisting machine according to the embodiment of the present application. Referring to fig. 7, 8 and 10, in one possible implementation, transmission member 1222 has adjacent engagement side 1223 and coupling side 1224, engagement side 1223 may be provided in two, engagement side 1223 being disposed opposite, engagement side 1223 engaging drive wheel 1221, and coupling portion 131 being coupled to coupling side 1224.

Specifically, both the inner and outer surfaces of the rack have teeth, forming the engagement side 1223, and the side of the rack is the attachment side 1224.

With continued reference to fig. 1, 4 to 10, in the present application, the number of the connecting portions 131 is two, and the two connecting portions 131 are respectively located at two opposite sides of the cargo unit 130;

the number of the transmission assemblies 122 is two, the driving assembly 121 drives the two transmission assemblies 122 to move synchronously, and the two connecting portions 131 on the same cargo unit 130 are respectively connected with the connecting sides 1224 of the transmission members 1222 in different transmission assemblies 122. This facilitates a secure connection of the cargo unit 130 to the transmission element 1222.

Fig. 11 is a schematic structural diagram of a warehousing system according to an embodiment of the present application. Referring to fig. 2, 3 and 11, a storage system according to a further embodiment of the present application includes a shelf 200, at least one box taking robot 400 and at least one lifting machine 100 provided in any one of the above embodiments, where the box taking robot 400 is movable on the top of the shelf 200 to take the material box 300 in the shelf 200 on the top of the shelf 200, and when the cargo unit 130 of the lifting machine 100 reaches the top of the shelf 200, the material box 300 is carried to the cargo unit 130, or the material box 300 on the cargo unit 130 is carried into the shelf 200.

The structure and principle of the elevator 100 are described in detail in the above embodiments, and are not described in detail here.

In the warehousing system provided by the embodiment of the application, by arranging the elevator 100, the driving mechanism 120 of the elevator 100 drives the freight units 130 to sequentially ascend and descend along the driving track, and in the ascending and descending processes of the freight units 130, the freight units 130 sequentially reach the top of the shelf 200, so that the freight units 130 transport the material boxes 300 taken out by the box taking robot 400 at the top of the shelf 200 to the lower part of the shelf 200, or transport the material boxes 300 at the lower part of the shelf 200 to the top of the shelf 200. Therefore, the supporting frame 110 can carry a plurality of material boxes 300, and the efficiency of the hoister 100 for transporting the material boxes 300 from the top of the shelf 200 is improved.

In a specific implementation, the shelf 200 includes a plurality of storage columns 210 vertically arranged and a rail 220 arranged on the top of each storage column 210, the box taking robot 400 moves along the rail 220, and the plurality of material boxes 300 are vertically stacked in the storage columns 210. By providing the rail 220, guidance is provided for the movement of the box picker robot 400.

In the warehousing system provided by the embodiment of the present application, the number of the hoists 100 is at least two, and each hoist 100 is respectively located on different sides of the shelf 200. Thus, the efficiency of the material taking box 300 and the material transporting box 300 is improved.

The warehousing system provided by the embodiment of the application further includes a transfer robot 500, and the transfer robot 500 can pick and place the material box 300 on the elevator 100. The material tank 300 is transported to the sorting area by the transfer robot 500.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.