CN210162602U

CN210162602U - Storage and sorting system with same

Info

Publication number: CN210162602U
Application number: CN201920961233.6U
Authority: CN
Inventors: 李海军; 胡强; 冯峻
Original assignee: Shanghai Quicktron Intelligent Technology Co Ltd
Current assignee: Shanghai Quicktron Intelligent Technology Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-03-20
Anticipated expiration: 2029-06-25

Abstract

The embodiment of the utility model discloses storage and letter sorting system who has it, the storage includes: the goods picking layer comprises a plurality of goods picking areas; the lifting device is used for vertically moving between the storage layer and the picking layer; the goods picking conveying lines pass through a plurality of goods picking areas. According to the embodiment of the utility model, the storage layer and the goods picking layer which are distributed at intervals in the vertical direction are arranged, so that the storage and sorting functions of goods in the height direction can be divided, the three-dimensional space of the storage is fully utilized, on one hand, the efficiency of the goods picking operation can be improved, and on the other hand, the space utilization rate of the storage can be improved; in addition, the loading box can be automatically conveyed to the goods picking area through the goods picking conveying line, the loading box does not need to be manually carried, the consumption of human resources is reduced, and the automation degree is high.

Description

Storage and sorting system with same

Technical Field

The utility model relates to a warehouse stores technical field, especially relates to a storage and has its letter sorting system.

Background

The warehousing sorting system in the related art generally needs to be provided with a forklift channel, and goods on the upper layer of a goods shelf are carried to a goods sorting area to be manually sorted in a mode of manually driving the forklift. On one hand, the forklift channel occupies more storage space, so that the storage space utilization rate is low, and the storage quantity of storage is influenced; on the other hand, because of the manual driving of the forklift, the human resource consumption is high, and the goods picking efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a storage and letter sorting system who has it to solve one or more technical problem among the prior art.

In a first aspect, an embodiment of the present invention provides a warehouse, including: the goods picking layer comprises a plurality of goods picking areas; a lift device for vertical movement between the storage level and the picking level; a pick-up conveyor line passing through the pick-up areas.

In one embodiment, the picking layer includes a plurality of groups of picking shelves, and any two adjacent groups of the picking shelves define the picking zone therebetween.

In one embodiment, the picking conveying line comprises a main conveying line and a secondary conveying line connected with the main conveying line, wherein the secondary conveying lines are arranged in one-to-one correspondence with the picking areas, and each secondary conveying line extends into the picking area corresponding to the secondary conveying line.

In one embodiment, the secondary conveyor line is provided with a transfer station for pushing the loading boxes on the secondary conveyor line to the picking area.

In one embodiment, each of the auxiliary transfer lines includes a first auxiliary transfer line and a second auxiliary transfer line arranged side by side, a terminal end of the first auxiliary transfer line is connected to a start end of the second auxiliary transfer line, and the start end of the first auxiliary transfer line and the terminal end of the second auxiliary transfer line are connected to the main transfer line, respectively.

In one embodiment, the main conveyor line includes a first main conveyor line and a second main conveyor line arranged side by side, a terminal end of the first main conveyor line is connected to a starting end of the second main conveyor line, and the first main conveyor line is connected to the plurality of sub conveyor lines, respectively.

In one embodiment, each group of the picking shelves comprises two rows of the picking shelves, and the two rows of the picking shelves define a handling lane therebetween.

In one embodiment, the lifting device is provided in plurality, and each lifting device is butted against one end of each conveying roadway.

In one embodiment, each of the picking layer and the storage layer is provided with a plurality of storage units, each storage unit is used for placing a tray for bearing goods, each tray is provided with a label indicating lamp, and each label indicating lamp is used for indicating goods information corresponding to the corresponding tray; and an accommodating space is arranged below the goods storage unit.

In a second aspect, an embodiment of the present invention provides a sorting system, including: a carrier; according to the utility model discloses storage, the carrier can the storage layer or pick up goods layer along horizontal and longitudinal movement, and the carrier can take lifting device be in the storage layer with pick up between the goods layer vertical movement.

One of the above technical solutions has the following advantages or beneficial effects: through setting up interval distribution's storage layer and picking up goods layer in the vertical direction, can realize the storage of goods and the functional division of letter sorting in the direction of height, the cubical space of make full use of storage can improve the efficiency of picking up the goods operation on the one hand, and on the other hand can improve the space utilization of storage.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In the drawings, like reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily to scale. It is appreciated that these drawings depict only some embodiments in accordance with the disclosure and are not to be considered limiting of its scope. Wherein:

fig. 1 shows a schematic plan view of a picking level for warehousing according to an embodiment of the invention;

fig. 2 shows a schematic plan view of a storage level of a warehouse according to an embodiment of the invention;

fig. 3 shows a partial plan view of a picking floor of a warehouse according to an embodiment of the invention;

figure 4 shows a partial plan view of a picking level of a warehouse according to an embodiment of the present invention;

figure 5 shows a schematic diagram of a picking process for warehousing according to an embodiment of the present invention;

figure 6 shows a side view of a warehouse according to an embodiment of the invention;

fig. 7 shows a side view of a warehouse according to an embodiment of the invention.

Reference numerals:

a warehouse 100;

a picking layer 10; a picking area 10 a; a picking shelf 11; a haulage roadway 12;

a storage layer 20; a storage rack 21;

a lifting device 30;

a pick-up conveyor line 40;

a main conveyor line 41; a first main transport line 411; empty replenishment points 411 a; a second main conveyor line 412; a full-box carry-off point 412 a;

a sub-conveyor line 42; a transfer station 42 a; a first secondary transport line 421; a second subsidiary transfer line 422;

a loading bin 50.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

A warehouse 100 according to an embodiment of the invention is described below with reference to fig. 1-7.

As shown in fig. 1 and 2, the present invention provides a warehouse 100, which includes a storage layer 20, a picking layer 10, a lifting device 30 and a picking conveyor line 40.

Wherein, the storage layer 20 and the picking layer 10 are arranged from top to bottom at intervals, and the picking layer 10 comprises a plurality of picking areas 10 a. The elevator 30 is adapted to move vertically between the storage level 20 and the picker level 10. The pick-up conveyor line 40 passes through a plurality of pick-up areas 10 a.

Specifically, the picking layer 10 may be erected on the ground, and the picking layer 10 is used for sorting and delivering the goods in the warehouse 100 by a human or a machine. A storage level 20 is erected above the picking level 10 and goods to be picked may be stored in the storage level 20. Note that, the number of layers of the pickup layer 10 and the storage layer 20 is not particularly limited in the embodiment of the present invention. For example, in the example shown in fig. 6, the picking levels 10 may be provided in two levels spaced apart in the vertical direction, and the storage levels 20 may be provided in two levels spaced apart in the vertical direction. The number of picking levels 10 and storage levels 20 may be specifically set according to the size of the warehouse 100 and the number of goods to be turned around.

The goods in the storage level 20 may be transported to the pickface 10 by manual or machine handling through the elevator 30. Preferably, a truck may be provided in the warehouse 100 of the present invention for carrying and transporting goods, the truck may be moved in the transverse and longitudinal directions at the storage level 20 or the picking level 10, that is, the moving direction of the truck may be up to four, and the truck may be moved vertically between the storage level 20 and the picking level 10 by the lifting device 30.

In one example, the lifting device 30 may be a hoist. The lift may be provided with a carrier platform that reciprocates between the picking level 10 and the storage level 20, by which the cart may effect a cross-level movement between the picking level 10 and the storage level 20.

As shown in fig. 1, the picking level 10 includes a plurality of picking areas 10a, and the picking conveyor lines 40 sequentially pass through the plurality of picking areas 10a for conveying the loading boxes 50 to and/or from the picking areas 10 a.

In one example, the pick-up conveyor line 40 may be a belt conveyor mechanism that passes through the plurality of pick-up zones 10a in sequence. The picking areas 10a are correspondingly disposed in the vicinity of the picking shelves 11 to facilitate the picking personnel to correspondingly place the goods on the picking shelves 11 in the loading box 50.

According to the storage 100 of the embodiment of the present invention, the storage layer 20 and the goods picking layer 10 are arranged at intervals in the vertical direction, so that the storage and sorting functions of goods in the height direction can be divided, the three-dimensional space of the storage 100 is fully utilized, on one hand, the goods picking operation surface can be flexibly arranged, the number and the area of the goods picking operation surface are increased, and the goods picking operation efficiency is increased; on the other hand, the storage quantity of the warehouse 100 can be increased, and the storage quantity of goods in unit area is greatly increased, so that the goods are densely arranged and stored in unit area, and the space utilization rate of the warehouse 100 is increased. Furthermore, by arranging the lifting device 30, the goods can be replenished from the storage layer 20 to the picking layer 10, so that the goods can be dispatched from the storage layer 20 to the picking layer 10 in a cross-layer manner.

In addition, through set up a plurality of district 10a of choosing goods at the layer 10 of choosing goods to and set up the transfer chain 40 of choosing goods through a plurality of district 10a of choosing goods, can transport loading box 50 to a plurality of district 10a of choosing goods automatically to conveniently load the target goods in loading box 50, need not artifical transport loading box 50, greatly reduced the consumption of human resource, degree of automation is higher.

In one embodiment, the pick-up layer 10, as shown in fig. 1, includes a plurality of sets of pick-up shelves 11, with any adjacent two sets of pick-up shelves 11 defining a pick-up zone 10a therebetween.

In one example, the pick-up conveyor line 40 includes a main conveyor line 41 and a sub-conveyor line 42 connected to the main conveyor line 41, wherein the sub-conveyor lines 42 are provided in a plurality in one-to-one correspondence with the plurality of pick-up areas 10a, and each sub-conveyor line 42 extends into the corresponding pick-up area 10a so that the loading box 50 can pass through each pick-up area 10a along with the main conveyor line 41 and the sub-conveyor lines 42. Preferably, a plurality of transplanting workstations 42a are provided on each of the secondary conveyor lines 42, the plurality of transplanting workstations 42a corresponding to different picking areas 10a of the picking area 10a, the transplanting workstations 42a being used for pushing the loading boxes 50 from the secondary conveyor lines 42 to the corresponding picking areas 10 a.

In one example, as shown in fig. 3, each of the sub transfer lines 42 includes a first sub transfer line 421 and a second sub transfer line 422 arranged side by side, a terminal end of the first sub transfer line 421 is connected to a start end of the second sub transfer line 422, and a start end of the first sub transfer line 421 and a terminal end of the second sub transfer line 422 are connected to the main transfer line 41, respectively.

Specifically, the main conveying line 41 may extend in the longitudinal direction and be located on one lateral side of the plurality of groups of the picking shelves 11, the plurality of sub-conveying lines 42 extend in the lateral direction into the plurality of picking areas 10a, and each sub-conveying line 42 is connected to the main conveying line 41. Each secondary transfer line 42 comprises a first 421 and a second 422 secondary transfer line arranged side by side, the transfer directions of the first and second secondary transfer lines 422 being opposite. The start and end of the first sub-conveying line 421 are the start and end points of the conveying direction thereof, respectively, and the start and end of the second sub-conveying line 422 are the start and end points of the conveying direction thereof, respectively. Thus, the loading boxes 50 can be transferred from the main conveying line 41 to the first conveying line, then to the second conveying line, and then back to the main conveying line 41, thereby completing the conveying of the loading boxes 50 at the picking area 10a corresponding to the sub-conveying line 42.

In one example, as shown in fig. 3, the main transport line 41 includes a first main transport line 411 and a second main transport line 412 that are arranged side by side, a terminal end of the first main transport line 411 is connected to a starting end of the second main transport line 412, and the first main transport line 411 is connected to the plurality of sub-transport lines 42, respectively.

That is, the first main transfer line 411 and the second main transfer line 412 are transferred in opposite directions, and the terminal end of the first main transfer line 411 is connected to the start end of the second sub-transfer line 422. The first main conveyor line 411 is responsible for sequentially conveying the loading boxes 50 to the sub conveyor lines 42, and then conveying the loading boxes to the picking areas 10a through the sub conveyor lines 42; the second main conveyor line 412 is responsible for transporting the loaded loading cassettes 50 to the target area after completion of the picking operation.

Preferably, as shown in fig. 4, an empty box replenishment point 411a is provided in the vicinity of the start end of the first main conveyor line 411, and a full box carry-out point 412a is provided in the vicinity of the end of the second main conveyor line 412. Empty load cases 50 may be manually or robotically handled at the empty case replenishment point 411a at the beginning of the first main conveyor line 411; the fully loaded cases 50 may be manually or robotically transported away from the terminal end of the second main conveyor line 412 at the full case departure point 412 a.

In one embodiment, as shown in fig. 3, the pick level 10 includes a plurality of sets of pick shelves 11, two pick shelves 11 in each set defining a handling lane 12 therebetween, and a vehicle is movable on the handling lane 12.

In one example, the plurality of picking shelves 11 are arranged in a plurality of longitudinally spaced groups, each group including two picking shelves 11 arranged longitudinally spaced apart, each picking shelf 11 extending in a lateral direction. A conveying roadway 12 extending in the transverse direction is defined between the two picking shelves 11 in each group, and the conveying roadway 12 is communicated with the storage units of each picking shelf 11, so that the carrier can drive to the accommodating space below the storage units through the conveying roadway 12 to convey or remove the trays carrying goods.

In one embodiment, as shown in fig. 1, a plurality of lifting devices 30 are provided, and each lifting device 30 is butted against one end of each conveyance lane 12. For example, the picking racks 11 may be provided in 7 groups, the conveying lanes 12 may correspond to 7, the lifting devices 30 may correspond to 7, and each lifting device 30 is located at one end of the corresponding conveying lane 12 and abuts against the conveying lane 12. Thus, the carrier can directly enter the conveying lane 12 corresponding to the lifting device 30 from the storage layer 20 through one lifting device 30, and the pallet is conveyed to a group of picking shelves 11 corresponding to the conveying lane 12. Therefore, each group of picking shelves 11 is provided with the corresponding conveying roadway 12 and the corresponding lifting device 30, the running path of the carrier from the storage layer 20 to each group of picking shelves 11 is short, and the goods supplementing efficiency is high.

In one embodiment, the storage layer 20 includes a plurality of storage shelves 21, the picking layer 10 includes a plurality of picking shelves 11, each of the picking shelves 11 and the storage shelves 21 is provided with a storage unit for placing a tray carrying goods, and the transport vehicle can move the tray from the storage unit or place the tray in the storage unit.

For example, the storage unit may be configured as a rack for supporting a pallet, the upper surface of which is used to carry goods. In the picking operation, the carrier removes the trays placed on the storage units of the storage shelves 21, moves the trays to the picking layer 10 through the elevator, and places the trays on the storage units of the picking shelves 11 to complete the replenishment of the storage layer 20 to the picking layer 10. Meanwhile, when a tray on a certain storage unit of the storage shelf 21 is removed and then replenishment needs to be performed to the storage unit, the carrier transports the tray carrying the goods outside the warehouse to the storage layer 20 through the lifting device 30, and then places the tray on the storage unit to complete replenishment to the storage layer 20.

In one embodiment, a receiving space is provided below the storage unit, and the transport vehicle can travel to the receiving space to move away from or place the tray, and thus move away from or place the goods.

In order to move the carrier to the accommodating space and remove or place the tray, in one example, the carrier may be provided with a lifting mechanism capable of being lifted. When the carrier moves the tray away from the storage unit, the carrier moves to the accommodating space, the lifting mechanism extends out of the upper surface of the carrier and abuts against the lower surface of the tray to jack the tray up from the storage unit, the tray is separated from the storage unit at the moment, and the carrier can move the tray away. In the process that the pallet is placed on the storage unit by the carrier, the carrier runs to the accommodating space, the pallet bearing the goods is placed on the lifting mechanism at the moment, the pallet is located above the storage unit, and the lifting mechanism descends to place the pallet on the storage unit.

Further, the storage layer 20 is provided with a rail on which the carrier travels, the rail is butted against the lifting device 30, and the receiving space under each storage unit of the storage racks 21 is connected with the rail. For example, the rails may include a longitudinal rail and a transverse rail connected to each other, the longitudinal rail is connected to the lifting device 30, the transverse rail may be provided in a plurality in a side-by-side arrangement, and each transverse rail may be located between two adjacent sets of storage racks 21. Thus, the carrier can reciprocate between the storage unit and the lifting device 30 through the rail when carrying the pallet loaded with the goods.

In one embodiment, the trays are provided with label indicating lamps for indicating information on the goods corresponding to the trays so as to identify the trays corresponding to the target goods of the loading compartment 50. The goods information may include, among other things, a goods category and a goods quantity.

The picking process of a picker is described in one specific example with reference to figure 5. The loading boxes 50 may be arranged in multiple groups, and each group of loading boxes 50 is sequentially placed on the picking conveyor line 40 for picking operation. Each group includes 5 loading boxes 50, and the 5 loading boxes 50 correspond to different numbers, respectively. The order bar codes on the 5 loading boxes 50 are scanned by the picking personnel through the bar code scanner to obtain the goods information of the target goods corresponding to the 5 loading boxes 50, meanwhile, the corresponding picking area 10a is distributed for each loading box 50, and the label indicating lamp of the picking area 10a on the tray corresponding to the target goods of the loading box 50 is lightened. The picking conveyor line 40 conveys 5 loading boxes 50 to the corresponding picking area 10a, picking personnel loads target goods into the loading boxes 50 according to the label indicating lamps, and the picking personnel puts the loading boxes 50 back to the picking conveyor line 40 after the loading is finished. It should be noted that each loading box 50 may correspond to a plurality of picking areas 10a, the picking conveyor line 40 sequentially conveys each loading box 50 to the plurality of picking areas 10a and then picks the loading box by a picking person, and the picking task of the loading box 50 is completed and then the loading box is conveyed to a full box removing point by the picking conveyor line 40 for warehouse-out operation.

When the goods on the tray at a certain picking shelf 11 of the picking layer 10 are empty, the tray can be removed from the picking shelf 11 by the truck while the goods are replenished from the storage level 20 to the picking shelf 11 by another truck. In order to facilitate the management and storage of the empty pallets, the warehouse 100 is further provided with an empty pallet collecting area, and the carrier can carry the empty pallets on the picking shelves 11 to the empty pallet collecting area. The empty tray collection area may be located in the picking zone 10 or the storage level 20, for example, in the picking zone 10a, or in the vicinity of the pick delivery line 40, or in the vicinity of the lifting device 30. Preferably, an empty tray collection area is provided in the vicinity of the pick-up line 40, thereby facilitating the unloading of empty trays from the warehouse via the pick-up line 40.

In one specific example, as shown in FIGS. 6 and 7, the warehouse 100 has an area of 3500m²The warehouse 100 has a height of 9m and a tray size of 1.2m by 1 m. The picking layer 10 is 2 layers, and 820 storage units are arranged on the picking layer 10. The distance between two picking shelves 11 in each group of picking shelves 11 is 4.21m, the width of the auxiliary conveying line 42 is 2.66m, the distance between the auxiliary conveying line 42 and the two picking shelves 11 is 0.775m, and the picking area 10a can be provided with a picking platform with the height of 0.85m, so that picking personnel can stand and take goods from the second picking layer 10.

In addition, the number of the storage layers 20 and the number of the storage units of the storage shelves 21 may be set according to the height of the goods. For example, if the height of one cargo does not exceed 1.35m, as shown in fig. 6, the storage level 20 may be provided in two levels, and the storage level 20 is provided with 1744 storage units in total; if the height of one cargo does not exceed 1m as shown in fig. 7, the storage level 20 may be three layers, and the storage level 20 is provided with a total of 2616 storage units.

A sorting system according to an embodiment of the present invention is described below.

The embodiment of the utility model provides a sorting system, including the carrier and according to the utility model discloses the storage 100 of above-mentioned embodiment. Wherein the truck is movable in lateral and longitudinal directions at the storage level 20 or the picking level 10, and the truck is vertically movable between the storage level 20 and the picking level 10 by riding the lifting device 30.

In one example, a truck may be provided with lateral and longitudinal travel wheels. The transverse traveling wheels are used for driving the truck to move leftwards or rightwards in the transverse direction, and the longitudinal traveling wheels are used for driving the truck to move forwards or backwards in the longitudinal direction. Therefore, the number of the traveling paths of the carrier in the storage layer 20 or the goods picking layer 10 is large, the in-warehouse dispatching is more flexible, the complex in-warehouse operation logic can be executed favorably, and the operation efficiency is high. Additionally, the embodiment of the utility model provides a do not do the restriction to the quantity of carrier, for example, the carrier can be equipped with a plurality ofly to improve the efficiency of carrying goods.

In one embodiment, the sorting system is further provided with a charging station for charging the cart. The number of the charging stations can be calculated according to the number of the trucks, the battery service time, the charging time, the picking peak period efficiency and the charging strategy.

The working principle of the sorting system is described in detail below with a specific example.

The warehouse management system receives the delivery information, and then sends an instruction to the truck through the warehouse control system to control the truck to transport the empty loading boxes 50 to the picking conveyor line 40, the picking conveyor line 40 transports the loading boxes 50 to the picking area 10a corresponding to the goods to be loaded, respectively, and the full loading boxes 50 are delivered through the picking conveyor line 40 after picking.

The order picker scans the order barcode on the loading box 50 to obtain order information, and then loads the target goods on the tray with the label indicator lamp lighted to the loading box 50. If the goods on the tray are empty, the picking personnel sends a goods taking instruction through the warehouse management system, and the truck carries the goods in the storage layer 20 to the picking shelves 11 of the picking layer 10 through the lifting device 30; at the same time, the carrier removes the empty pallet from the picking rack 11. If the goods in the storage layer 20 are emptied, the warehouse management system sends a replenishment command, the pallet outside the warehouse and loaded with the goods is conveyed to the lifting device 30 through the warehousing conveying line by controlling the carrier, and then the carrier conveys the pallet to the storage shelf 21 of the storage layer 20 through the lifting device 30.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, which should be covered by the 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 warehouse, comprising:

the goods picking layer comprises a plurality of goods picking areas;

a lift device for vertical movement between the storage level and the picking level;

a pick-up conveyor line passing through the pick-up areas.

2. The warehouse of claim 1, wherein the picking layer comprises a plurality of groups of picking shelves, any two adjacent groups of the picking shelves defining the picking zone therebetween.

3. The warehouse as claimed in claim 2, wherein the order picking conveyor line comprises a main conveyor line and a plurality of secondary conveyor lines connected with the main conveyor line, wherein the plurality of secondary conveyor lines are arranged in one-to-one correspondence with the plurality of order picking areas, and each secondary conveyor line extends into the order picking area corresponding to the secondary conveyor line.

4. The warehouse as claimed in claim 3, wherein the secondary conveyor line is provided with a transfer station for pushing the loading boxes on the secondary conveyor line to the picking area.

5. The warehouse according to claim 3, characterized in that each of said secondary conveyor lines comprises a first secondary conveyor line and a second secondary conveyor line arranged side by side, the terminal end of said first secondary conveyor line being connected to the beginning of said second secondary conveyor line, the beginning of said first secondary conveyor line and the terminal end of said second secondary conveyor line being connected to said main conveyor line, respectively.

6. The warehouse according to claim 3, characterized in that the main conveyor line comprises a first main conveyor line and a second main conveyor line arranged side by side, a terminal end of the first main conveyor line is connected with a starting end of the second main conveyor line, and the first main conveyor line is respectively connected with a plurality of auxiliary conveyor lines.

7. The warehouse of claim 2, wherein each group of picking shelves comprises two rows of the picking shelves defining a handling lane therebetween.

8. The warehouse as claimed in claim 7, wherein the lifting device is plural, and each lifting device is respectively butted with one end of each carrying roadway.

9. The warehouse as claimed in claim 1, wherein the picking layer and the storage layer are provided with a plurality of storage units, the storage units are used for placing trays for carrying goods, the trays are provided with label indicating lamps, and the label indicating lamps are used for indicating the goods information corresponding to the trays; and an accommodating space is arranged below the goods storage unit.

10. A sorting system, comprising:

a carrier;

the warehouse of any of claims 1-9, wherein the cart is movable in a lateral and longitudinal direction between the storage level or the picking level, and wherein the cart is vertically movable between the storage level and the picking level by riding the lifting device.