CN115159007A

CN115159007A - Logistics vehicle and logistics system

Info

Publication number: CN115159007A
Application number: CN202210834292.3A
Authority: CN
Inventors: 李洪涛; 王国鹏; 梁喆
Original assignee: Beijing Jingdong Zhenshi Information Technology Co Ltd
Current assignee: Beijing Jingdong Zhenshi Information Technology Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-10-11
Also published as: WO2024011969A1

Abstract

The invention belongs to the field of logistics, and particularly discloses a logistics vehicle and a logistics system. The commodity circulation car includes: the moving chassis can move along the conveying track in a self-driven manner; and the conveying mechanism is used for carrying and conveying the goods along a second direction vertical to the conveying track, and the conveying mechanism can be arranged on the movable chassis in a sliding manner along the second direction, so that the discharge end of the conveying mechanism can selectively extend out of the movable chassis horizontally. The logistics system comprises: a conveying track; the goods storage rack is at least provided with two rows of goods storage containers arranged side by side, and each row of goods storage containers comprises a plurality of goods storage containers arranged side by side along the extending direction of the conveying track; and the logistics vehicle runs on the conveying track, and the conveying mechanism can relatively move the chassis to slide along the second direction so as to unload the goods into any row of goods storage containers. The logistics vehicle and the logistics system disclosed by the invention can improve the unloading flexibility of the logistics vehicle and reduce the energy consumption and the operation cost of the logistics vehicle and the logistics system.

Description

Logistics vehicle and logistics system

Technical Field

The invention relates to the technical field of logistics, in particular to a logistics vehicle and a logistics system.

Background

With the vigorous development of electronic commerce, online shopping is very common, and particularly in a specific promotion period, the problem that orders are greatly increased exists, and how to improve the order delivery efficiency and reduce the delivery cost is a problem to be solved in the field of logistics.

In the existing online shopping, after the shopping platform receives order information, the goods can be distributed according to the order. In order to improve the distribution efficiency and reduce the distribution cost, the shopping platform usually performs order grouping, that is, a plurality of orders are accumulated and then the distribution is performed, and the items in the orders are classified during the distribution and the same type of items are selected in a centralized manner. After various commodities are selected in a centralized mode, the commodities are sorted according to each order to form a required order in a composite mode, and then the commodities are conveyed to a customer according to the order through logistics.

The prior art provides a logistics system, which includes a sowing wall and a sowing vehicle, wherein a plurality of rows of partition openings are arranged on the sowing wall along the height direction, and each row of partition openings includes a plurality of partition openings arranged along the horizontal direction; the separating and distributing vehicle can move in the separating and distributing wall to deliver goods to different partitions, so that the separating and distributing of different kinds of goods and the gathering of goods in the same order are realized.

However, the logistics system provided by the prior art can realize the automation of commodity distribution and order combination, but because the logistics vehicle needs to carry goods to go up and down, the overall energy consumption of the logistics vehicle in the operation process is higher, and the cost is higher.

Disclosure of Invention

An object of the embodiments of the present invention is to provide a logistics vehicle, so as to improve flexibility of unloading of the logistics vehicle and reduce energy consumption and operation cost of operation of the logistics vehicle.

Another object of the embodiments of the present invention is to provide a logistics system, so as to reduce energy consumption and cost of operation of the logistics system and improve logistics efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

a logistics cart, comprising:

the moving chassis can move along the conveying track in a self-driven manner;

the conveying mechanism is used for carrying and conveying goods along a first direction perpendicular to the conveying track, and the conveying mechanism can be arranged on the movable chassis in a sliding mode along the first direction, so that the unloading end of the conveying mechanism can selectively extend out of the movable chassis horizontally and outwards.

As an optional technical scheme of the logistics vehicle, the logistics vehicle further comprises a translation driving mechanism and a connecting piece, the translation driving mechanism is installed at the bottom of the movable chassis, a driving end of the translation driving mechanism can stretch and retract along the first direction, and the connecting piece is connected between the driving end and the conveying mechanism.

As an optional technical scheme of the logistics vehicle, the movable chassis is provided with a follow-up wheel and a traveling wheel which respectively travel on two rails of the conveying rail, the traveling wheel is located on one side far away from the unloading end, at least one traveling wheel is connected with a wheel driving motor, and the axial length of the follow-up wheel is greater than that of the traveling wheel.

As an optional technical scheme of the logistics vehicle, a plurality of pairs of guide rollers are rotatably mounted at the bottom of one side, away from the unloading end, of the moving chassis, each pair of guide rollers comprises two guide rollers arranged at intervals along the first direction, and the two guide rollers are used for being in rolling contact with two opposite sides of the same conveying track.

A logistics system comprising:

a conveying track;

the storage rack is arranged on at least one side of the conveying track, the storage rack is at least provided with two rows of storage containers arranged side by side, and each row of storage containers comprises a plurality of storage containers arranged side by side along the extending direction of the conveying track;

the logistics vehicle runs on the conveying track, and the conveying mechanism can slide relative to the moving chassis along the first direction to unload the goods into the goods storage containers in any row.

As an optional technical solution of the logistics system, the storage rack is provided with a plurality of rows of the storage containers arranged at intervals along the height direction;

the logistics system further comprises a discharge guide assembly located between the storage containers and the conveying track, the discharge guide assembly is provided with inclined guide sliding grooves corresponding to the storage containers, the upper ends of the guide sliding grooves can be in butt joint with the discharge ends, and the lower ends of the guide sliding grooves are in butt joint with openings corresponding to the storage containers.

As an optional technical solution of the logistics system, the discharge guide assembly is provided with a plurality of rows, each row of the storage containers is directly opposite to one row of the discharge guide assembly, and each row of the discharge guide assembly is provided with a plurality of guide chutes along an extending direction thereof;

the multirow that sets gradually from top to bottom the multirow that stores up the goods container corresponds discharge guide assembly by delivery track extremely storage rack sets gradually.

As an optional technical scheme of logistics system, be located innermost row at least the direction spout is including last direction slot part and the lower direction slot part that from top to bottom connects gradually, it is adjacent to go up direction slot part the direction spout is at the perpendicular to the interval sets up in delivery track's the direction, down the direction slot part be located its outside the below of direction spout, the relative horizontal plane's of lower direction slot part angle of inclination is less than it is relative to go up the direction slot part the angle of inclination of horizontal plane.

As an optional technical scheme of logistics system, the storage container has an upper end opening, just the storage container orientation one side upper end of delivery track be equipped with the side opening of upper end opening intercommunication, the lower extreme of direction spout extends to side opening part.

As an optional technical solution of the logistics system, the conveying track includes a first track and a second track that are spaced and arranged side by side, two sides of the moving chassis along the first direction are respectively supported on the first track and the second track, the first track is located on a side away from the discharge end, and a width of the second track is greater than a width of the first track.

The invention has the beneficial effects that:

according to the logistics vehicle provided by the embodiment of the invention, the movable chassis and the conveying mechanism are arranged, so that the logistics vehicle can carry goods to run to a target unloading position and unload the goods to the goods storage container; the conveying mechanism is arranged, so that the relatively movable chassis can slide along the first direction, the position of the unloading end of the logistics vehicle running to the target unloading position can be adjusted through movement along the first direction, the unloading position of the logistics vehicle is adjusted, unloading of the goods storage containers at different positions is realized, and the flexibility of unloading goods of the logistics vehicle is improved; meanwhile, the logistics vehicle does not need to carry out lifting movement, so that the unloading of the goods at least two unloading positions can be realized, and the energy consumption for the operation of the logistics vehicle can be reduced; meanwhile, due to the fact that the conveying mechanism relatively moves the chassis to slide along the first direction, unloading of the at least two unloading positions can be achieved, the average time required for the logistics vehicle to move to the unloading positions is shortened, the average time for the logistics vehicle to complete a single task is shortened, and logistics efficiency is improved.

According to the logistics system provided by the embodiment of the invention, the logistics efficiency can be improved and the energy consumption and cost required by logistics can be reduced by adopting the logistics vehicle.

Drawings

Fig. 1 is a schematic front structure diagram of a logistics vehicle according to a first embodiment of the invention;

fig. 2 is a schematic back structure diagram of a logistics vehicle according to an embodiment of the invention;

FIG. 3 is a schematic structural diagram of a logistics vehicle provided by an embodiment of the invention without a conveying mechanism;

FIG. 4 is a schematic view of a disassembled structure of the traveling wheel mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic view of a disassembled structure of the traveling wheel mechanism according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a disassembled structure of a conveying mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a logistics system provided in the second embodiment of the invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at I;

FIG. 9 is a schematic view of a part of the structure of a logistics system provided in the second embodiment of the invention;

fig. 10 is a partial enlarged view at J in fig. 9.

The figures are labeled as follows:

100. a logistics vehicle; 200. a conveying track; 201. a first track; 202. a second track; 300. a support frame; 400. a storage shelf; 401. a frame body; 402. a storage container; 4021. opening the side; 500. a discharge guide assembly; 501. a guide member; 5011. a guide chute; 5011a, an upper guide groove portion; 5011b, lower guide groove part; 5012. a guide plate portion; 502. mounting a bracket; 600. a trolley line; 700. code bands; 800. a loading mechanism; 900. a code scanning device;

1. moving the chassis; 11. a frame; 111. avoiding the mouth; 12. a traveling wheel mechanism; 121. a wheel carrier; 1211. a top mounting plate, 1212, a side mounting plate; 1213. a wheel mounting plate; 1214. a rotating shaft part; 122. a traveling wheel; 123. a wheel axle; 124. a rotating assembly; 1241. a side shaft sleeve; 1242. a side bearing block; 1243. a side bearing; 1244. a side end cap; 125. a guide roller; 13. a follower wheel; 14. a top bearing block; 15. locking the nut; 16. a wheel drive motor; 17. a top end cap; 18. a top bearing;

2. a conveying mechanism; 21. a carriage; 211. a side mount; 2111. a main side plate portion; 2112. a baffle portion; 2113. mounting holes; 2114. shaft perforation; 212. mounting a bottom plate; 22. a conveyor belt; 23. a driving roller; 24. a driven drum; 25. rotating the mounting seat; 26. a tension adjustment assembly; 261. a connecting seat; 262. adjusting the bolt; 27. a pallet; 271. a support plate portion; 272. a flange portion; 28. a transmission assembly; 281. a drive pulley; 282. a drive belt; 29. a motor base; 210. a conveying drive motor;

3. a translation drive mechanism;

4. an anti-collision sensor; 5. a connecting member; 6. a sliding guide assembly; 61. a slide rail; 62. a slider; 7. an electric brush; 8. a scanning device; 9. a sensor holder.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1, the present embodiment provides a logistics vehicle 100 that can be applied to a logistics system for transporting and unloading goods into a storage container storing goods. The logistics vehicle 100 provided by this embodiment may be applied to a distribution scene of order goods to realize an aggregation of a plurality of different goods in the same order, or may be applied to other scenes that need to distribute goods, such as classifying different types of goods mixed together, or finely distributing the same goods mixed together, or may also be applied to a sorting process of packages or goods, and the application scene of the logistics vehicle 100 is not limited by the present invention.

Specifically, the logistics vehicle 100 comprises a mobile chassis 1 and a conveying mechanism 2, wherein the mobile chassis 1 can move along a conveying track 200 in a self-driven manner; conveying mechanism 2 sets up on moving chassis 1, and conveying mechanism 2 can bear and carry the goods along perpendicular to first direction, and conveying mechanism 2 can slide along first direction relative movement chassis 1 to make conveying mechanism 2's discharge end can selectively the level outwards stretch out and move chassis 1.

The logistics vehicle 100 provided by the embodiment can move to a target unloading place with goods and unload the goods into a goods storage container by arranging the movable chassis 1 and the conveying mechanism 2; the conveying mechanism 2 can relatively move the chassis 1 to slide along the first direction, so that the position of the unloading end of the logistics vehicle 100 running to the target unloading position can be adjusted through movement along the first direction, the unloading position of the logistics vehicle 100 is adjusted, unloading of the goods storage containers at different positions is realized, and the flexibility of unloading goods of the logistics vehicle 100 is improved; meanwhile, the logistics vehicle 100 can unload the goods at least two unloading positions without lifting, so that the energy consumption of the logistics vehicle 100 in operation can be reduced; meanwhile, unloading of at least two unloading positions can be achieved by relatively moving the chassis 1 by the conveying mechanism 2 to slide along the first direction, so that the average time required by the logistics vehicle to move to the unloading positions is shortened, the average time of the logistics vehicle 100 for completing a single task is shortened, and the logistics efficiency is improved.

In this embodiment, the first direction is disposed horizontally, and the direction perpendicular to the first direction and disposed horizontally is set as the second direction, and the first direction, the second direction and the vertical direction are mutually perpendicular in pairs.

As shown in fig. 1 and 2, the mobile chassis 1 includes a frame 11 and a road wheel mechanism 12, the road wheel mechanism 12 is mounted at the bottom of the frame 11, and the conveying mechanism 2 is slidably mounted at the top of the frame 11. The frame 11 is arranged to support the installation of the running wheel mechanism 12 and the conveying mechanism 2. Preferably, the frame 11 is a horizontally disposed plate-shaped structure to simplify the structure of the frame 11 and reduce the overall weight of the logistics vehicle 100, in other embodiments, the frame 11 may include a horizontally disposed bottom plate and a side plate disposed around the periphery of the bottom plate, the travel wheel mechanism 12 is mounted on the bottom plate, and the side plate is used for shielding the travel wheel mechanism 12 circumferentially.

As shown in fig. 3, the travelling wheel mechanism 12 includes travelling wheels 122, and the travelling wheels 122 are disposed on a side of the frame 11 away from the unloading end. One side of the bottom of the frame 1 facing the unloading end is provided with a following wheel 13, and the following wheel 122 and the following wheel 13 respectively run on two tracks of the conveying track. At least one of the traveling wheels 122 is connected with a wheel driving motor 16, and the axial length of the following wheel 13 is greater than that of the traveling wheel 122. This kind of setting can be on the unchangeable basis of holding walking wheel 122 size, and the increase is removed one side that chassis 1 is close to the discharge end and is carried the area of contact of track to when avoiding conveying mechanism 2 outwards to stretch out removal chassis 1, the unstable problem that sets up the toppling of commodity circulation car 100 focus that leads to is removed along the direction towards the discharge end to the focus of commodity circulation car 100, improves the operational safety of commodity circulation car 100.

Furthermore, two traveling wheel mechanisms 12 are arranged at intervals along the second direction, two following wheels 13 are arranged at intervals along the second direction, the traveling wheels 122 of the two traveling wheel mechanisms 12 are supported on the same conveying track, and the two following wheels 13 are supported on the other conveying track.

Preferably, only one road wheel 12 is connected with a wheel drive motor 16 to reduce cost. In other embodiments, both road wheels 12 may be provided with wheel drive motors 16, or the same wheel drive motor 16 may be connected to both road wheels 12 through a synchronous transmission assembly.

Further, as shown in fig. 2 to 4, a plurality of pairs of guide rollers 125 are rotatably mounted at the bottom of one side of the moving chassis 1 away from the unloading end, each pair of guide rollers 125 includes two guide rollers 125 arranged at intervals along the first direction, and the two guide rollers 125 are configured to be in rolling contact with two opposite sides of the same conveying track. By arranging the guide rollers 125, the moving chassis 1 can be ensured to move along the conveying track, and guidance is provided for the operation of the logistics vehicle 100; meanwhile, one transportation rail can be clamped between the two guide rollers 125, so that the logistics vehicles 100 are prevented from inclining or overturning when running on the transportation rail, and the safety and reliability of the logistics vehicles 100 running on the rail are improved; and the guide roller 125 is arranged on the side far away from the unloading end, so that the logistics vehicle 100 can be better prevented from overturning when the conveying mechanism 2 extends outwards to move the chassis 1.

Preferably, the guide rollers 125 are provided in two pairs, and the two traveling wheels 122 are respectively located between the two guide rollers 125 of the two pairs of guide rollers 125.

As shown in fig. 2-5, in order to improve the installation convenience of the walking wheels 122 and the guide rollers 125, the walking wheel mechanism 12 includes a wheel frame 121 and a wheel shaft 123, the upper end of the wheel frame 121 is connected with the frame 11, the wheel shaft 123 extends along a first direction, the walking wheels 122 are fixedly sleeved on the wheel shaft 123, and the wheel shaft 123 is rotatably inserted in the wheel frame 121; the guide roller 125 is rotatably mounted on the wheel frame 121, and the guide roller 125 is located below the wheel shaft 123 and has a rotation axis arranged vertically. This kind of setting for running wheel mechanism 12 forms the module of whole independent dismouting, improves the convenience of running wheel mechanism 12 equipment and dismantlement.

It will be understood that when a road wheel 122 is a driving wheel, the corresponding axle 123 of the driving wheel is drivingly connected to the wheel driving motor 16, such that the wheel driving motor 16 rotates the road wheel 122. In another embodiment, when the two road wheels 122 are both driving wheels, one wheel driving motor 16 may be provided corresponding to each driving wheel, or one wheel driving motor 16 may be simultaneously in transmission connection with the two driving wheels through a synchronous transmission assembly to drive the two driving wheels to rotate synchronously. The structure of the synchronous transmission assembly capable of realizing the simultaneous rotation of the two driving wheels can be set by referring to the prior art, and is not described in detail here.

The wheel carrier 121 comprises a top mounting plate 1211, wherein the two sides of the top mounting plate 1211 in the first direction are vertically connected with side mounting plates 1212 downwards, the lower ends of the two side mounting plates 1212 extend along directions back to each other to form wheel mounting plates 1213, the top mounting plate 1211 is detachably connected with the wheel frame 11, the walking wheels 122 are located between the two side mounting plates 1212, the two ends of the wheel shaft 123 are respectively and rotatably arranged on the two side mounting plates 1212, the two guide rollers 125 are respectively and rotatably arranged on the two wheel mounting plates 1213, and the guide rollers 125 are located below the wheel mounting plates 1213. This wheel carrier 121's simple structure, and can improve the compact structure nature of road wheel mechanism 12.

Preferably, the wheel carrier 121 is rotatably connected with the frame 11, and the rotation axis is arranged along the vertical direction, so as to better realize the turning and reversing operation of the logistics vehicle 100. In order to improve the convenience and stability of the connection between the wheel carrier 121 and the frame 11, the mobile chassis 1 further comprises a top bearing seat 14 and a top bearing 18, the top bearing 18 is embedded in the top bearing seat 14, and the top bearing seat 14 is detachably connected with the frame 11. A rotating shaft portion 1214 is vertically connected to the top mounting plate 1211, and the rotating shaft portion 1214 is fixedly inserted into the inner ring of the top bearing 18. By providing the top bearing seat 14 and the top bearing 18, the rotational connection convenience between the wheel carrier 121 and the vehicle body frame 11 can be improved, the resistance to rotation of the wheel carrier 121 can be reduced, and the smooth rotation of the wheel carrier 121 can be improved.

Preferably, a top end cover 17 is detachably attached to the upper end of the fixed bearing seat 14, and the top end cover 17 abuts against the upper end surface of the outer ring of the top bearing 18 to limit the top bearing 18 from being removed upward. The top end cover 17 is provided with a center hole for the rotating shaft part 1214 to pass through, and the upper end of the rotating shaft part 1214 transmits the top end cover 17 upwards. Further, a lock nut 15 is screwed to an upper end of the rotary shaft portion 1214, and the lock nut 15 is positioned above the top bearing 18 and abuts against an upper end surface of the inner ring of the top bearing 18.

In order to improve the smoothness of the rotation of the wheel axle 123 relative to the wheel frame 121, the two side mounting plates 1212 of the wheel frame 121 are provided with mounting shaft holes, the rotating element 124 is sleeved on the wheel axle 123, and the rotating element 124 and the mounting shaft holes are arranged in a one-to-one correspondence manner. The rotating assembly 124 comprises a side shaft sleeve 1241 fixedly sleeved on the wheel shaft 123, a side bearing 1243 fixedly sleeved on the side shaft sleeve 1241 and a side bearing seat 1242 fixedly sleeved on an outer ring of the side bearing 1243, wherein the side bearing seat 1242 penetrates through the hole of the rotating shaft part 1214 and is detachably connected with the side mounting plate 1212. This kind of runner assembly 124's structural arrangement can improve the convenience and the reliability of shaft 123 rotation installation when, improves shaft 123 pivoted smoothness nature, reduces shaft 123 pivoted resistance.

The side bearing seat 1242 includes a side connection sleeve portion and a side flange portion extending radially outward along the side connection sleeve portion, the side connection sleeve portion is fixedly sleeved on an outer ring of the side bearing 1243 and penetrates through the mounting shaft hole, and the side flange portion and one side of the side mounting plate 1212 away from the other side mounting plate 1212 are detachably connected.

Further, the rotating assembly 124 further includes a side end cap 1244, the side end cap 1244 is located inside the shaft of the side bearing 1243 and detachably connected to the corresponding end of the axle 123, the side end cap 1244 is restricted to penetrate through the bearing inner ring, so that the two ends of the axle 123 are clamped between the two side end caps 1244, the axle 123 is prevented from moving along the axial direction thereof, and the operation safety and reliability of the road wheel mechanism 12 are improved.

As shown in fig. 2 and 3, the logistics vehicle 100 includes a translation driving mechanism 3 for driving the conveying mechanism 2 to move along the first direction, and the translation driving mechanism 3 is in transmission connection with the conveying mechanism 2 to drive the conveying mechanism 2 to translate along the first direction. Preferably, the translational driving mechanism 3 is disposed at the bottom of the frame 11 and has a driving end capable of extending and retracting along the first direction, and the driving end is connected with the conveying mechanism 2 through the connecting piece 5. The translation driving mechanism 3 is arranged at the bottom of the frame 11, so that the interference on the operation of the conveying mechanism 2 can be reduced, the height of the logistics vehicle 100 above the top of the frame 11 is reduced, and the structure compactness is improved.

Preferably, the translation drive mechanism 3 comprises an electric push rod extending in the first direction. The electric push rod is adopted to drive the conveying mechanism 2, so that the cost is lower, the structure is compact and strong, and the technology is mature. In other embodiments, the translational driving mechanism 3 may also adopt other structures, such as a piston cylinder or other structures capable of realizing the horizontal movement of the conveying mechanism 2, which is not limited in this embodiment.

Frame 11 has just seted up on one side of the drive end of translation actuating mechanism 3 and has dodged mouth 111, dodges mouth 111 and extends along first direction, and connecting piece 5 wears to locate in dodging mouth 111 to provide dodging for the horizontal motion of connecting piece 5. The arrangement of the avoidance port 111 can avoid the interference between the connecting piece 5 and the frame 11, and avoid the connecting piece 5 from protruding out of the frame 11 for a larger distance, so that the connection convenience of the connecting piece 5 and the conveying mechanism 2 is improved, and the structure compactness is improved; meanwhile, the arrangement of the avoiding opening 111 can also provide a limit in one direction for the movement of the connecting piece 5 along the first direction. The connecting member 5 is preferably of a flat plate-like structure perpendicular to the first direction.

Preferably, in order to improve the smoothness of the sliding of the conveying mechanism 2 relative to the frame 11, the logistics vehicle 100 further comprises a sliding guide assembly 6, and the sliding guide assembly 6 is used for providing guidance for the running of the conveying mechanism 2 along the first direction. The sliding guide assembly 6 preferably comprises a sliding rail 61 and a sliding block 62 in sliding fit with the sliding rail 61, the sliding rail 61 extends along the first direction and is laid on the upper surface of the vehicle frame 11, and the sliding block 62 is detachably connected with the bottom of the conveying mechanism 2. The sliding guide assemblies 6 are preferably arranged at intervals along the first direction so as to improve the running stability and the running reliability of the conveying mechanism 2.

In order to better prevent the conveying mechanism 2 from slipping out of the mobile chassis 1 when sliding outwards along the first direction, each sliding rail 61 is correspondingly provided with two sliding blocks 62, one sliding block 62 is connected to one side of the conveying mechanism 2 away from the unloading end, and the other sliding block 62 is connected to the middle position of the conveying mechanism 2 along the first direction.

As shown in fig. 6, the conveying mechanism 2 includes a conveying frame 21 and a conveying driving mechanism mounted on the conveying frame 21, and the conveying frame 21 is slidably connected to the carriage 11. Specifically, the bottom of the carriage 21 is connected with a slide block 62, and the side of the carriage 21 facing the discharge end is connected with the connecting member 5. The conveying driving mechanism is mounted on the conveying frame 21, and the conveying driving mechanism can convey the goods in the first direction.

The conveying frame 21 preferably comprises side mounting seats 211 which are opposite along the second direction and are arranged at intervals, a conveying channel is formed between the two side mounting seats 211, and the upper ends of the side mounting seats 211 are higher than the conveying surface of the conveying driving mechanism so as to stop the goods and prevent the goods from falling off from the side part of the conveying frame 21. The conveying frame 21 further comprises a mounting base plate 212 connected between the two side mounting seats 211, the lower surface of the mounting base plate 212 is connected with the sliding block 62, and the mounting base plate 212 is connected with the connecting piece 5, so that the convenience of connection between the sliding block 62 and the connecting piece 5 and the conveying frame 21 is improved.

The conveying driving mechanism preferably comprises a driving roller 23 and a driven roller 24 which are arranged at intervals along the first direction, and the driving roller 23 and the driven roller 24 both extend along the second direction. The conveying driving mechanism further comprises a conveying driving motor 210 and a conveying belt 22 tensioned on the driving roller 23 and the driven roller 24, two sides of the conveying belt 22 in the second direction respectively extend to the two side mounting seats 211, the conveying driving motor 210 is in transmission connection with the driving roller 23, and rotation of the conveying driving motor 210 can drive the driving roller 23 connected with the conveying driving motor to rotate so as to drive the conveying belt 22 to rotate. The conveying belt 22 is adopted for conveying the goods, so that the conveying stability is high, the conveying noise is low, and the conveying belt is suitable for conveying the goods of various sizes.

The conveying driving motor 210 is installed outside the one-side installation seat 211 to avoid interference with the conveying belt 22. The first end of the driving roller 23 passes through the side mounting seat 211 in a rotating manner, and the conveying driving motor 210 is in transmission connection with the driving roller 23 through the transmission assembly 28. In this embodiment, the transmission assembly 28 includes two transmission pulleys 281 respectively disposed on the driving shaft of the conveying driving motor 210 and the first end of the driving roller 23, and a transmission belt 282 tensioned between the two transmission pulleys 281. It should be understood that the above-mentioned structure of the transmission assembly 28 is only an exemplary arrangement, and other structures of the transmission assembly that can realize the driving of the driving roller 23 by the conveying driving motor 210 can be applied to the present invention.

In order to facilitate the installation of the driving roller 23 and the driven roller 24, the two ends of the driving roller 23 and the driven roller 24 are respectively rotatably sleeved with a wheel mounting seat 25, and the wheel mounting seats 25 are detachably connected with the corresponding side mounting seats 211. The wheel mounts 25 are preferably located outside of the side mounts 211 to avoid interference with the operation of the conveyor belt 22.

Preferably, the mounting position of the driven roller 24 on the side mounting seat 211 is adjustable in the first direction to adjust the distance between the driving roller 23 and the driven roller 24, thereby achieving tensioning of the conveyor belt 22 and improving the conveying reliability of the conveyor belt 22.

In this embodiment, shaft through holes 2114 are opened at both ends of the side mounting seat 211 along the first direction, the shaft through holes 2114 penetrate both sides of the side mounting seat 211 in the second direction, and both ends of the driving roller 23 and the driven roller 24 are respectively rotatably inserted into the corresponding shaft through holes 2114. At least two shaft penetration holes 2114 corresponding to the driven roller 24 are elongated holes extending in the first direction so that both ends of the driven roller 24 can slide in the elongated holes to change the installation position of the driven roller 24 in the first direction.

Preferably, the position of the rotation mounting seat 25 fitted over the driven drum 24 on the side mounting seat 211 is adjustable in the first direction, whereby the convenience of position adjustment of the driven drum 24 can be improved, and the convenience of installation of the driven drum 24 can be improved.

Specifically, the side mounting seat 211 is opened with a mounting hole 2113, and the mounting hole 2113 is a long hole extending along the first direction. The rotating installation seat 25 is provided with an installation threaded hole, the installation threaded hole is communicated with the installation hole 2113, and the side installation seat 211 and the rotating installation seat 25 can be connected through a locking threaded part penetrating through the installation threaded hole and the installation hole 2113, so that the locking of the rotating installation seat 25 after position adjustment is realized. The mounting holes 2113 are respectively arranged at the upper side and the lower side of the driven shaft hole, and the mounting threaded holes are arranged in one-to-one correspondence with the mounting holes 2113, so that the connection reliability of the side mounting seat 211 and the rotating mounting seat 25 is improved.

Further, one side of the rotary mounting seat 25 is provided with a tensioning adjusting assembly 26, the tensioning adjusting assembly 26 includes a connecting seat 261 and an adjusting bolt 262 screwed on the connecting seat 261, a screw end of the adjusting bolt 262 abuts against one side of the rotary mounting seat 25 along the first direction, and the adjusting bolt 262 extends along the first direction, so that the rotary mounting seat 25 can be driven to slide along the first direction by screwing the adjusting bolt 262, thereby realizing the position adjustment of the rotary mounting seat 25.

Connecting seat 261 includes fixed plate portion and spiro union board, and fixed plate portion can dismantle with side mount pad 211 and be connected, has seted up the regulation screw hole on the spiro union board, and adjusting bolt 262 screw revolves soon in adjusting the screw hole. Preferably, the tension adjusting assembly 26 is located at a side of the driven roller 24 facing the driving roller 23 to improve space layout rationality, so that the driven roller 24 and the driving roller 23 are disposed at both ends of the side mounting seat 211 as much as possible.

The side mounting seat 211 preferably includes a main side plate portion 2111, the main side plate portion 2111 is vertically disposed, and the upper and lower ends of the main side plate portion 2111 are each outwardly extended with a baffle portion 2112, the driven roller 24 and the driving roller 23 are each mounted on the main side plate portion 2111, and the conveying drive motor 210 is mounted on the baffle portion 2112 located below through the motor mount 29. The arrangement of the two baffle portions 2112 is beneficial to providing shielding for the tail ends of the driven roller 24 and the driving roller 23, reducing the probability of collision of an external structure to the conveying driving machine, and improving the operation safety and reliability of the conveying mechanism 2.

To further ensure the conveying reliability of the conveying belt 22, the conveying mechanism 2 further includes a pallet 27 disposed between the conveying belt 22 and the mounting base 212 to support the conveying belt 27. The pallet 27 preferably includes a horizontally disposed support plate portion 271, and the support plate portion 271 abuts against the lower surface of the conveyor belt 22. The support plate 271 has flange portions 272 bent downward at both sides in the first direction, and the flange portions 272 are supported on the mounting base plate 212 and detachably connected to the mounting base plate 212.

As shown in fig. 1 to fig. 3, the logistics vehicle 100 further includes a scanning device 8, where the scanning device 8 is configured to scan a location tag to implement operation positioning and navigation of the logistics vehicle 100, the location tag may be an RFID tag, a two-dimensional code tag, or other tags capable of implementing positioning in the prior art, and the scanning device 8 corresponds to the type of the location tag. Preferably, the scanner 8 is mounted at the bottom of the carriage 11, and the scanning head of the scanner 8 is disposed downward to scan the position label downward.

Commodity circulation car 100 still includes collision sensor 4, and commodity circulation car 100 is installed respectively in collision sensor 4 along the both sides of second direction, and collision sensor 4 passes through sensor support 9 to be installed in the outside of carriage 21, and collision sensor 4 is used for detecting and other commodity circulation cars 100 or the interval between the outside barrier to control commodity circulation car 100 in time stall, avoid colliding, improve commodity circulation car 100's operation security. The anti-collision sensor 4 may be a laser ranging sensor or other sensors that may be used to measure distance.

Further, the bottom of the mobile chassis 1 is also provided with an electric brush 7, and the electric brush 7 is used for being matched with a sliding contact line on a conveying track so as to realize power supply for operation of the logistics vehicle 100 and guarantee the cruising ability of the logistics vehicle 100.

Example two

As shown in fig. 7-10, the present embodiment provides a logistics system, which can be applied to a distribution scene of orders and commodities to realize an aggregation of multiple different commodities in the same order, and can also be applied to other scenes that the commodities need to be distributed, such as classifying different types of commodities mixed together, or subdividing the same commodities mixed together, and can also be applied to sorting packages or commodities, and the present invention does not limit the application scene of the logistics system.

Specifically, the logistics system comprises a conveying track 200, a logistics vehicle 100, a storage rack 400 and a control system. The conveying track 200 extends along a set extending direction, at least one side of the conveying track 200 is provided with a storage rack 400, at least one side of the conveying track 200 is provided with the storage rack 400, the storage rack 400 is at least provided with two rows of goods storage containers 402 arranged side by side, and each row of goods storage containers 402 comprises a plurality of goods storage containers 402 arranged side by side along the extending direction of the conveying track 200; the logistics vehicle 100 adopts the logistics vehicle in the first embodiment, the logistics vehicle 100 travels on the conveying track 200, and the conveying mechanism 2 can slide along the first direction relative to the moving chassis 1 to unload the goods into the storage containers 402 in any row.

According to the logistics system provided by the embodiment, the goods can be selectively unloaded to any row of the storage containers 402 by the logistics vehicle 100 through the sliding of the conveying mechanism 2 along the first direction, so that the unloading flexibility of the logistics vehicle 100 is improved, and the logistics efficiency is improved; meanwhile, the arrangement does not need the vertical lifting of the logistics vehicle 100, and the energy consumption of the logistics vehicle 100 can be reduced, so that the overall energy consumption of the logistics system is reduced, and the operation cost of the logistics system is reduced.

The conveying track 200 includes a first track 201 and a second track 202 arranged at intervals and side by side, and two sides of the logistics vehicle 100 are respectively supported on the first track 201 and the second track 202 in a rolling manner, wherein the first track 201 is located on one side far away from the discharge end of the conveying mechanism 2. The two traveling wheels 122 are respectively supported on the two first rails 201 in a rolling manner, the two follower wheels 13 are respectively supported on the second rails 202, and the two guide rollers 125 on each traveling wheel mechanism 12 are respectively located on two opposite sides of the first rails 201.

In this embodiment, the first rail 201 and the second rail 202 are both circular rails, and the first rail 201 is located at the inner side of the second rail 202, and the storage shelf 400 is located at the outer side of the second rail 202. In other embodiments, the first track 201 and the second track 202 may be linear tracks or tracks with other shapes, the storage racks 400 may be disposed on the outer side of the second track 202 and/or the outer side of the first track 201, and the logistics vehicle 100 may also run on the conveying track 200 in other forms as long as the logistics vehicle 100 can run on the conveying track 200.

Preferably, the width of the second rail 202 is greater than that of the first rail 201, so that the contact area between the second rail 202 and the mobile chassis 1 is increased, the probability that the logistics vehicle 100 tilts or even overturns in the running process is reduced, and the running reliability of the logistics vehicle 100 is improved.

The conveying rail 200 is laid on the supporting frame 300 to increase the height of the conveying rail 200. In order to realize the operation power supply of the logistics vehicle 100 and ensure the cruising ability of the logistics vehicle 100, the trolley line 600 is further laid on the support frame 300, the bottom of the mobile chassis 1 is provided with the electric brush 7 matched with the trolley line 600, and the structures and the matching modes of the electric brush 7 and the trolley line 600 are conventional in the field and are not described herein again.

Further, the support frame 300 is further provided with a code strip 700 matched with the scanning device 8, and the code strip 700 is arranged between the first track 201 and the second track 202 and extends along the extending direction of the conveying track 200. The scanning device 8 obtains the position information of the corresponding position by scanning the code strip 700, thereby realizing the operation positioning of the logistics vehicle 100 on the conveying track 200 and ensuring the operation reliability of the logistics vehicle 100.

The logistics system further comprises a loading mechanism 800, wherein the loading mechanism 800 is arranged on one side of the conveying track 200 and is in butt joint with the conveying track 200, and the loading mechanism 800 is used for conveying cargoes to the logistics vehicles 100 on the conveying track 200. The structure of the loading mechanism 800 and the docking manner of the loading mechanism 800 and the logistics vehicle 100 can adopt the prior art, which is not the focus of the present invention and will not be described herein.

The logistics system further comprises a code scanning device 900 arranged at the goods loading mechanism 800, the code scanning device 900 is located above the goods loading mechanism 800 and used for scanning label codes of goods passing through the lower portion of the code scanning device, goods information and/or address information of the goods are stored in the label codes, the code scanning device 900 is in communication connection with a control system, the control system determines the position of the target goods storage container 402 according to the goods information and/or address information scanned by the scanner, controls the logistics vehicle 100 to move to the corresponding position of the target goods storage container 402 along the conveying track 200 after receiving the goods, and controls the conveying mechanism 2 to unload the goods according to the position of the target goods storage container 402.

In this embodiment, the storage shelf 400 includes a frame body 401 and a plurality of rows of storage containers 402 arranged on the frame body 401 at intervals in the height direction. The logistics system further comprises a discharge guide assembly 500 located between the storage containers 402 and the conveying track 200, the discharge guide assembly 500 being provided with an inclined guide chute 5011 for each storage container 402, the upper end of the guide chute 5011 being capable of abutting the discharge end and the lower end of the guide chute 5011 abutting the opening of the corresponding storage container 402.

By arranging the plurality of rows of storage containers 402 at intervals in the height direction, the space in the vertical direction can be fully utilized, and the floor area of the storage rack 400 is reduced, so that the overall floor area of the logistics system is reduced; by arranging the unloading guide assembly 500, it is ensured that the goods unloaded from the logistics vehicle 100 can slide into the corresponding layer of the storage container 402 along the guide sliding slot 5011, thereby improving unloading reliability and reducing the influence of the height of the storage container 402 on unloading of the logistics vehicle 100.

In other embodiments, a plurality of rows of the storage containers 402 are arranged side by side in the horizontal direction away from the conveying track 200, and when the conveying mechanism 2 is adjusted to extend the length of the movable chassis 1, the storage containers 402 in the corresponding row are selectively unloaded.

Further, the discharge guide assembly 500 is provided with a plurality of rows, each row of the storage containers 402 is opposite to one row of the discharge guide assembly 500, and a plurality of guide chutes 5011 are formed on each row of the discharge guide assembly 500 along the extending direction thereof. The multiple discharge guide assemblies 500 corresponding to the multiple rows of storage containers 402 sequentially arranged from top to bottom are sequentially arranged from the conveying track 200 to the storage shelf 400.

The guide slide slot 5011 located at least at the innermost row includes an upper guide slot portion 5011a and a lower guide slot portion 5011b which are connected in this order from the top to the bottom, the upper guide slot portion 5011a being disposed at an interval from the adjacent guide slide slot 5011 in the direction perpendicular to the conveying rail 200, the lower guide slot portion 5011b being located below the guide slide slot 5011 on the outer side thereof, and the inclination angle of the lower guide slot portion 5011b with respect to the horizontal plane being smaller than the inclination angle of the upper guide slot portion 5011a with respect to the horizontal plane. With the arrangement, the distance between the upper guide slot 5011a and the guide sliding slot 5011 on the outer side of the upper guide slot is relatively large, so that goods can pass through the two adjacent guide sliding slots 5011, the overall size of a logistics system is reduced, the problem of increased collision between the goods and the goods storage container 402 caused by the large inclined angle of the guide sliding slot 5011 on the inner side is solved, the goods can be buffered when entering the goods storage container 402, and the goods unloading safety is ensured.

The storage container 402 has an upper end opening, and the upper end of one side of the storage container 402 facing the conveying rail 200 is provided with a side opening 4021 communicating with the upper end opening, and the lower end of the guide chute 5011 extends to the side opening 4021. This kind of structural arrangement of storage container 402 is favorable to reducing the opening edge height of storage container 402 to reduce the demand to the height of guide chute 5011 lower extreme, thereby can avoid conveying track 200 too high, improve discharge guide assembly 500's arrangement rationality and compactness.

Preferably, the storage shelf 400 is provided with 2 to 5 rows of storage containers 402, so as to avoid the problems of high demand for the height of the supporting frame 300, large inclination angle of the innermost guide chute 5011, and the like caused by the overhigh storage container 402 at the uppermost layer. In the present embodiment, two rows of storage containers 402 are provided on the storage shelf 400.

The discharge guide assembly 500 includes a mounting bracket 502 and a plurality of guide members 501 disposed at the top end of the mounting bracket 502, the guide members 501 are disposed in one-to-one correspondence with the rows of storage containers 402, and the guide members 501 are provided with the above-described guide sliding slots 5011. With such an arrangement, the convenience of assembly and replacement of discharge guide assembly 500 can be improved, and discharge guide assembly 500 can be moved and arranged conveniently.

The guiding member 501 preferably includes an inclined main plate extending downward in an inclined manner from a direction away from the conveying track 200, the inclined main plate is bent upward along both sides of the extending direction of the conveying track 200 to form a folded plate portion, and the inclined main plate and the two folded plate portions surround to form the above-mentioned guiding chute 5011. Preferably, the upper end of the inclined main plate is bent rearward and downward to form a guide plate portion 5012 to guide the goods entering the guide chute 5011, so that the goods are prevented from being scraped with the edge of the upper end of the inclined main plate.

Further, one end of the guide plate portion 5012 away from the inclined main plate is bent backwards and downwards to form a butt plate portion, and the butt plate portion of the innermost guide 501 is erected on the conveying rail 200, so that the butt joint convenience and reliability of the guide 501 and the conveying rail 200 are improved, and the innermost discharge guide assembly 500 is installed and positioned.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.

Claims

1. A logistics vehicle, comprising:

a mobile chassis (1) which can move along the conveying track (200) in a self-driven manner;

the conveying mechanism (2) is used for carrying and conveying goods along a first direction perpendicular to the conveying track (200), and the conveying mechanism (2) can be arranged on the movable chassis (1) in a sliding mode along the first direction so that a discharging end of the conveying mechanism (2) can selectively extend out of the movable chassis (1) horizontally and outwards.

2. Logistics vehicle according to claim 1, further comprising a translational drive mechanism (3) and a linkage (5), wherein the translational drive mechanism (3) is mounted at the bottom of the mobile chassis (1) and has a drive end capable of telescoping in the first direction, and wherein the linkage (5) is connected between the drive end and the transport mechanism (2).

3. The logistics vehicle of claim 1, wherein the moving chassis (1) is provided with a follow-up wheel (13) and a walking wheel (122) which respectively walk on two rails of the conveying rail (200), the walking wheel (122) is positioned on one side far away from the unloading end, at least one walking wheel (122) is connected with a wheel driving motor (16), and the axial length of the follow-up wheel (13) is greater than that of the walking wheel (122).

4. The logistics vehicle of claim 1, wherein a plurality of pairs of guide rollers (125) are rotatably mounted on the bottom of one side of the movable chassis (1) far away from the discharge end, each pair of guide rollers (125) comprises two guide rollers (125) spaced along the first direction, and the two guide rollers (125) are used for rolling contact with two opposite sides of the same conveying track (200).

5. A logistics system, comprising:

a conveying track (200);

the storage rack (400) is arranged on at least one side of the conveying track (200), the storage rack (400) is at least provided with two rows of storage containers (402) which are arranged side by side, and each row of the storage containers (402) comprises a plurality of the storage containers (402) which are arranged side by side along the extending direction of the conveying track (200);

the logistics vehicle of any one of claims 1 to 4 wherein the logistics vehicle travels on the conveyor track (200) and the conveyor mechanism (2) is slidable relative to the mobile chassis (1) in the first direction to unload the cargo into any row of the storage containers (402).

6. The logistics system of claim 5 wherein the storage rack (400) has a plurality of rows of the storage containers (402) arranged at intervals in the height direction;

the logistics system further comprises a discharge guide assembly (500) located between the storage containers (402) and the conveying track (200), wherein the discharge guide assembly (500) is provided with an inclined guide chute (5011) corresponding to each storage container (402), the upper end of the guide chute (5011) can be butted with the discharge end, and the lower end of the guide chute (5011) is butted with the opening corresponding to the storage container (402).

7. The logistics system of claim 6 wherein the discharge guide assembly (500) is provided with a plurality of rows, each row of the storage containers (402) is opposite to one row of the discharge guide assembly (500), and each row of the discharge guide assembly (500) is provided with a plurality of guide chutes (5011) along the extension direction thereof;

the multiple rows of the unloading guide assemblies (500) corresponding to the multiple rows of the storage containers (402) are sequentially arranged from the conveying tracks (200) to the storage racks (400).

8. The logistics system of claim 7, wherein the guide slide groove (5011) located at least at the innermost row comprises an upper guide groove portion (5011 a) and a lower guide groove portion (5011 b) which are sequentially connected from top to bottom, the upper guide groove portion (5011 a) and the adjacent guide slide groove (5011) are arranged at a distance in a direction perpendicular to the conveying rail (200), the lower guide groove portion (5011 b) is located below the guide slide groove (5011) at the outer side thereof, and an inclination angle of the lower guide groove portion (5011 b) with respect to a horizontal plane is smaller than an inclination angle of the upper guide groove portion (5011 a) with respect to the horizontal plane.

9. Logistics system according to claim 6, wherein the storage container (402) has an upper end opening, and wherein the upper end of the side of the storage container (402) facing the conveying track (200) is provided with a side opening (4021) communicating with the upper end opening, and wherein the lower end of the guide chute (5011) extends to the side opening (4021).

10. Logistics system according to any of the claims 5-9, wherein the conveyor track (200) comprises a first track (201) and a second track (202) arranged side by side and spaced apart, wherein the mobile chassis (1) is supported on the first track (201) and the second track (202) on both sides in the first direction, and wherein the first track (201) is located on the side away from the discharge end, and wherein the width of the second track (202) is larger than the width of the first track (201).