WO2024011969A1

WO2024011969A1 - Logistics vehicle and logistics system

Info

Publication number: WO2024011969A1
Application number: PCT/CN2023/086776
Authority: WO
Inventors: 李洪涛; 王国鹏; 梁喆
Original assignee: 北京京东振世信息技术有限公司
Priority date: 2022-07-14
Filing date: 2023-04-07
Publication date: 2024-01-18
Also published as: CN115159007A

Abstract

The present application provides a logistics vehicle and a logistics system. The logistics vehicle comprises: a movable chassis, configured to autonomously move along a conveying track; and a conveying mechanism, configured to carry goods and convey the goods along a first direction perpendicular to the conveying track, and disposed on the movable chassis slidably along the first direction, so that an unloading end of the conveying mechanism selectively extends outwards horizontally from the movable chassis. The logistics system comprises: a conveying track; a goods storage shelf, the goods storage shelf being provided at one or more sides of the conveying track, the goods storage shelf being at least provided with two rows of goods storage containers arranged side by side, and each row of goods storage containers comprising multiple goods storage containers arranged side by side along an extension direction of the conveying track; and the described logistics vehicle, the logistics vehicle being configured to travel on the conveying track, and the conveying mechanism being configured to slide relative to the movable chassis along the first direction, so as to unload goods into any row of goods storage containers.

Description

Logistics vehicles and logistics systems

This application claims priority to the Chinese patent application with application number 202210834292.3, which was submitted to the China Patent Office on July 14, 2022. The entire content of this application is incorporated into this application by reference.

Technical field

This application relates to the field of logistics technology, such as logistics vehicles and logistics systems.

Background technique

With the vigorous development of e-commerce, online shopping has become very common. Especially during specific promotion periods, there will be a large surge in orders. How to improve the efficiency of order delivery and reduce delivery costs is a problem that needs to be solved in the logistics field.

For online shopping, when the shopping platform receives the order information, it will distribute the goods according to the order. In order to improve the efficiency of distribution and reduce the cost of distribution, shopping platforms usually group orders, that is, accumulate multiple orders before distribution. During the distribution, they are classified according to the goods in the order, and the same type of goods is centralized. After centralized picking of multiple types of goods, the goods are sorted according to each order to form the required order, and then the goods are delivered to consumers according to the order through logistics.

Related technology provides a logistics system, which includes a distribution wall and a distribution vehicle. The distribution wall is provided with multiple rows of partitions along the height direction, and each row of partitions includes multiple partitions arranged along the horizontal direction; The vehicle can move within the distribution wall to deliver goods to different compartments to realize the distribution of different types of goods and the collection of goods within the same order.

However, although the logistics system provided by related technologies can realize the automation of product distribution and order compounding, because the logistics vehicles need to carry goods for lifting and lowering, the overall energy consumption of the logistics vehicles during operation is high and the cost is high.

Contents of the invention

This application provides a logistics vehicle to improve the flexibility of the logistics vehicle for unloading and reduce the energy consumption and operating costs of the logistics vehicle operation.

This application provides a logistics system to reduce the energy consumption and cost of logistics system operation and improve logistics efficiency.

A logistics vehicle including:

The mobile chassis is set to move self-propelled along the conveyor track;

A conveying mechanism is configured to carry and convey goods in a first direction perpendicular to the conveying track, and is slidably disposed on the mobile chassis along the first direction so that the unloading end of the conveying mechanism selectively Extend the mobile chassis horizontally outward.

A logistics system including:

conveyor track;

Storage rack, the storage rack is provided on at least one side of the conveyor track, the storage rack has at least two rows of storage containers arranged side by side, and each row of storage containers includes storage containers arranged side by side along the extension direction of the conveyor track. multiple storage containers;

The logistics vehicle as described above, the logistics vehicle is configured to run on the conveyor track, and the conveyor mechanism is configured to slide along the first direction relative to the mobile chassis to unload the goods to any row. in the storage container.

Description of drawings

Figure 1 is a schematic front structural view of a logistics vehicle provided in Embodiment 1 of the present application;

Figure 2 is a schematic structural diagram of the back of a logistics vehicle provided in Embodiment 1 of the present application;

Figure 3 is a schematic structural diagram of a logistics vehicle provided by Embodiment 1 of the present application with the transport mechanism removed;

Figure 4 is a schematic diagram of the disassembled structure of a traveling wheel mechanism provided in Embodiment 1 of the present application;

Figure 5 is a schematic diagram of the disassembled structure of a running wheel mechanism provided in Embodiment 1 of the present application;

Figure 6 is a schematic diagram of the disassembled structure of a conveying mechanism provided in Embodiment 1 of the present application;

Figure 7 is a schematic structural diagram of a logistics system provided in Embodiment 2 of the present application;

Figure 8 is a partial enlarged view of position I in Figure 7;

Figure 9 is a partial structural schematic diagram of a logistics system provided in Embodiment 2 of the present application;

Figure 10 is a partial enlarged view of J in Figure 9.

The markings in the figure are as follows:

100. Logistics vehicle; 200. Conveyor track; 201. First track; 202. Second track; 300. Support frame; 400. Storage shelf; 401. Rack body; 402. Storage container; 4021. Side opening; 500. Unloading guide assembly; 501, guide piece; 5011, guide chute; 5011a, upper guide groove; 5011b, lower guide groove; 5012, guide plate; 502, mounting bracket; 600, sliding contact line; 700, code tape ; 800, loading mechanism; 900, scanning device;

1. Mobile chassis; 11. Frame; 111. Avoidance opening; 12. Running wheel mechanism; 121. Wheel frame; 1211. Top mounting plate; 1212. Side mounting plate; 1213. Wheel mounting plate; 1214. Rotating shaft; 122 , traveling wheel; 123. Wheel axle; 124. Rotating component; 1241. Side sleeve; 1242. Side bearing seat; 1243. Side bearing; 1244. Side end cover; 125. Guide roller; 13. Follower wheel; 14. Top bearing seat; 15. Locking nut; 16. Wheel drive motor; 17. Top cover; 18. Top bearing;

2. Conveying mechanism; 21. Conveying frame; 211. Side mounting seat; 2111. Main side plate part; 2112. Baffle part; 2113. Mounting hole; 2114. Shaft perforation; 212. Installation bottom plate; 22. Conveyor belt; 23 , driving roller; 24. driven roller; 25. rotating mounting base; 26. tension adjustment component; 261. connecting seat; 262. adjusting bolt; 27. supporting plate; 271. support plate; 272. flange; 28. Transmission components; 281. Transmission pulley; 282. Transmission belt; 29. Motor base; 210. Conveyor drive motor;

3. Translation drive mechanism;

4. Anti-collision sensor; 5. Connector; 6. Sliding guide assembly; 61. Slide rail; 62. Slider; 7. Brush; 8. Scanning device; 9. Sensor bracket.

Detailed ways

The present application will be described below in conjunction with the drawings and embodiments. The specific embodiments described herein are merely illustrative of the present application. For convenience of description, only parts relevant to the present application are shown in the drawings.

In the description of this application, unless otherwise specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral body; it can be It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components or an interaction between two components. For those of ordinary skill in the art, the meanings of the above terms in this application can be understood according to the circumstances.

In this application, unless otherwise specified and limited, a first feature "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or it may include the first feature being in direct contact with the second feature. Not in direct contact but through additional characteristic contact between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this embodiment, the terms "upper", "lower", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplified operation, rather than instructions. Or it is implied that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation on the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and have no special meaning.

As shown in Figures 1 and 7, this embodiment provides a logistics vehicle 100, which can be applied in a logistics system. Set up to transport and unload cargo into storage containers where the cargo is stored. The logistics vehicle 100 provided in this embodiment can be applied in the scenario of distribution of order goods to realize the collection of multiple different goods in the same order. It can also be applied in other scenarios where goods need to be distributed, such as mixed distribution. Classifying different types of goods together, or subdividing the same goods mixed together, etc., or it can also be applied in the sorting process of packages or goods. This application does not limit the application scenarios of the logistics vehicle 100.

The logistics vehicle 100 includes a mobile chassis 1 and a transport mechanism 2. The mobile chassis 1 can self-propelledly move along the transport track 200; the transport mechanism 2 is provided on the mobile chassis 1, and the transport mechanism 2 can carry and transport goods perpendicular to the first direction, and The conveying mechanism 2 can slide relative to the movable chassis 1 along the first direction, so that the unloading end of the conveying mechanism 2 can selectively extend horizontally outward from the movable chassis 1 .

The logistics vehicle 100 provided in this embodiment can carry the goods to the target unloading place and unload the goods into the storage container by arranging the mobile chassis 1 and the conveyor mechanism 2; by arranging the conveyor mechanism 2, the chassis 1 can be relatively moved along the Sliding in the first direction allows the logistics vehicle 100 running to the target unloading location to adjust the position of the unloading end by moving in the first direction, thereby adjusting the unloading position of the logistics vehicle 100 and realizing unloading of storage containers at different locations. Improves the flexibility of the logistics vehicle 100 in unloading goods; at the same time, because the logistics vehicle 100 does not need to perform lifting movements, it can unload goods in at least two unloading positions, which can reduce the energy consumption of the operation of the logistics vehicle 100; at the same time, due to the conveyor mechanism, 2. The sliding of the relatively mobile chassis 1 along the first direction can realize unloading at at least two unloading positions, reduce the average time required for the logistics vehicle 100 to run to the unloading position, shorten the average time for the logistics vehicle 100 to complete a single task, and improve logistics. efficiency.

In this embodiment, the first direction is set horizontally, and the direction perpendicular to the first direction and set horizontally is set as the second direction. The first direction, the second direction and the vertical direction are each perpendicular to each other.

As shown in Figures 1 and 2, the mobile chassis 1 includes a frame 11 and a running wheel mechanism 12. The running wheel mechanism 12 is installed at the bottom of the frame 11, and the conveying mechanism 2 is slidably installed on the top of the frame 11. The arrangement of the vehicle frame 11 can provide support for the installation of the running wheel mechanism 12 and the conveying mechanism 2 . The frame 11 is a horizontally arranged plate-like 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 arranged bottom plate and a base plate surrounding the edge of the bottom plate. The side plate, the running wheel mechanism 12 is installed on the bottom plate, and the side plate is configured to circumferentially shield the running wheel mechanism 12 .

As shown in FIG. 3 , the running wheel mechanism 12 includes a running wheel 122 , and the running wheel 122 is disposed on the side of the frame 11 away from the unloading end. A follower wheel 13 is provided on the side of the bottom of the vehicle frame 1 facing the unloading end. The running wheel 122 and the follower wheel 13 run on the two rails of the conveyor track 200 respectively. At least one running wheel 122 is connected to a wheel drive motor 16 , and the axial length of the following wheel 13 is greater than the axial length of the running wheel 122 . This arrangement can increase the contact area between the side of the mobile chassis 1 near the unloading end and the conveyor track 200 while keeping the size of the running wheels 122 unchanged, thereby preventing the logistics from being disrupted when the conveyor mechanism 2 extends outwards from the mobile chassis 1 The instability of the center of gravity of the logistics vehicle 100 caused by the movement of the center of gravity of the vehicle 100 toward the unloading end causes the problem of overturning, thereby improving the operational safety of the logistics vehicle 100 .

Two running wheel mechanisms 12 are arranged at intervals along the second direction, and two following wheels 13 are arranged at intervals along the second direction. The running wheels 122 of the two running wheel mechanisms 12 are supported on the same conveyor track 200, and the two following wheels 12 are arranged at intervals along the second direction. 13 is supported on another conveyor track 200.

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

As shown in Figure 2-4, a plurality of pairs of guide rollers 125 are mounted on the bottom of the mobile chassis 1 away from the unloading end. Each pair of guide rollers 125 includes two guide rollers 125 spaced apart along the first direction. The two guide rollers 125 It is in rolling contact with opposite sides of the same conveyor track 200 . By arranging the guide rollers 125, it is possible to ensure that the mobile chassis 1 moves along the conveyor track 200 to provide guidance for the operation of the logistics vehicle 100; at the same time, a conveyor track 200 can be sandwiched between the two guide rollers 125 to prevent the logistics vehicle from 100 tilts or flips when running on the conveyor track 200, which improves the safety and reliability of the logistics vehicle 100 running on the track; and setting the guide roller 125 on the side away from the unloading end can better prevent the conveyor mechanism from turning in the direction of the unloading end. When the mobile chassis 1 is extended out, the logistics vehicle 100 overturns.

Two pairs of guide rollers 125 are provided, and the two running wheels 122 are respectively located between the two guide rollers 125 of the two pairs of guide rollers 125 .

As shown in Figure 2-5, in order to improve the installation convenience of the running wheel 122 and the guide roller 125, the running wheel mechanism 12 includes a wheel frame 121 and a wheel axle 123. The upper end of the wheel frame 121 is connected to the vehicle frame 11, and the wheel axle 123 is connected along the first direction extends, the running wheel 122 is fixedly sleeved on the wheel axle 123, and the wheel axle 123 is rotatably installed on the wheel frame 121; the guide roller 125 is rotatably installed on the wheel frame 121, the guide roller 125 is located below the wheel axle 123 and the rotation axis is set vertically . This arrangement allows the running wheel mechanism 12 to form an integral and independently removable module, thereby improving the convenience of assembly and disassembly of the running wheel mechanism 12 .

When a running wheel 122 is a driving wheel, the axle 123 corresponding to the driving wheel is drivingly connected to the wheel drive motor 16 so that the wheel drive motor 16 drives the running wheel 122 to rotate. In another embodiment, when both running wheels 122 are drive wheels, one wheel drive motor 16 can be provided for each drive wheel, or one wheel drive motor 16 can be connected to the two drive wheels simultaneously through a synchronous transmission assembly. Transmission connection to drive the two driving wheels to rotate synchronously. The structure of the synchronous transmission assembly that can realize the simultaneous rotation of the two driving wheels can be configured with reference to the relevant technology, and will not be described again here.

The wheel frame 121 includes a top mounting plate 1211. Side mounting plates 1212 are vertically connected downward on both sides of the top mounting plate 1211 along the first direction. The lower ends of the two side mounting plates 1212 have wheel mounting plates extending in the direction away from each other. 1213, the top mounting plate 1211 is detachably connected to the frame 11, the running wheel 122 is located between the two side mounting plates 1212, and the two ends of the axle 123 are respectively rotated and penetrated on the two side mounting plates 1212, and the two guide rollers 125 are respectively rotatably installed on two wheel mounting plates 1213, and the guide rollers 125 are located below the wheel mounting plates 1213. This type of wheel frame 121 has a simple structure and can improve the structural compactness of the running wheel mechanism 12 .

The wheel frame 121 is rotationally connected to the vehicle frame 11, and the rotation axis is set along the vertical direction 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 frame 121 and the vehicle frame 11, the mobile chassis 1 also includes 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 connected to the vehicle frame. 11 detachable connections. 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 arranging the top bearing seat 14 and the top bearing 18 , the convenience of the rotation connection between the wheel frame 121 and the vehicle frame 11 can be improved, and the rotation resistance of the wheel frame 121 can be reduced, and the rotation smoothness of the wheel frame 121 can be improved.

A top end cover 17 is detachably connected to the upper end of the fixed bearing seat 14. The top end cover 17 is in contact with the upper end surface of the outer ring of the top bearing 18 to limit the upward protrusion of the top bearing 18. The top cover 17 has a central hole for the rotating shaft portion 1214 to pass through, and the upper end of the rotating shaft portion 1214 transmits the top cover 17 upward. The upper end of the rotating shaft portion 1214 is threaded with a locking nut 15 . The locking nut 15 is located above the top bearing 18 and contacts the 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, mounting shaft holes are provided on the two side mounting plates 1212 of the wheel frame 121. The wheel axle 123 is provided with a rotating assembly 124, and the rotating assembly 124 corresponds to the mounting shaft holes one by one. set up. The rotating assembly 124 includes a side sleeve 1241 fixedly sleeved on the wheel shaft 123, a side bearing 1243 fixedly sleeved on the side sleeve 1241, and a side bearing seat 1242 fixedly sleeved on the outer ring of the side bearing 1243. The side bearing seat 1242 It is inserted into the mounting shaft hole and is detachably connected to the side mounting plate 1212. This structural arrangement of the rotating assembly 124 can not only improve the convenience and reliability of the rotational installation of the wheel shaft 123, but also improve the smoothness of the rotation of the wheel shaft 123 and reduce the resistance to the rotation of the wheel shaft 123.

The side bearing seat 1242 includes a side connecting sleeve part and a side flange part extending radially outward along the side connecting sleeve part. The side connecting sleeve part is fixedly sleeved on the outer ring of the side bearing 1243 and penetrates the installation shaft hole. The side method The blue portion is detachably connected to the side of the side mounting plate 1212 away from the other side mounting plate 1212 .

The rotating assembly 124 also includes a side end cover 1244. The side end cover 1244 is located inside the shaft of the side bearing 1243 and is detachably connected to the corresponding end of the wheel shaft 123. The side end cover 1244 is restricted from penetrating into the inner ring of the bearing, so that both ends of the wheel shaft 123 It is sandwiched between the two side end covers 1244 to prevent the wheel shaft 123 from moving along its axial direction, thereby improving the operating safety and reliability of the running wheel mechanism 12.

As shown in Figures 2 and 3, the logistics vehicle 100 includes a translational driving mechanism 3 configured to drive the conveying mechanism 2 to run in the first direction. The translational driving mechanism 3 is transmission connected with the conveying mechanism 2 to drive the conveying mechanism 2 along the first direction. Pan. The translation driving mechanism 3 is disposed at the bottom of the vehicle frame 11 and its driving end can be telescopic in the first direction. The driving end is connected to the conveying mechanism 2 through the connecting piece 5 . Arranging the translation driving mechanism 3 at the bottom of the frame 11 can reduce interference to the operation of the conveying mechanism 2 and reduce the height of the logistics vehicle 100 above the top of the frame 11 to improve the compactness of the structure.

The translation driving mechanism 3 includes an electric push rod extending along the first direction. The electric push rod is used to drive the conveying mechanism 2, which has low cost, compact structure and relatively mature technology. In other embodiments, the translation driving mechanism 3 can also adopt other structures, such as piston cylinders or other structures that can realize the horizontal movement of the conveying mechanism 2 The structure of movement is not limited in this embodiment.

An escape opening 111 is provided on the side of the frame 11 facing the driving end of the translation drive mechanism 3. The escape opening 111 extends along the first direction, and the connector 5 is inserted into the escape opening 111 to provide escape for the horizontal movement of the connector 5. The setting of the escape opening 111 can prevent the connector 5 from interfering with the frame 11 and prevent the connector 5 from protruding from the frame 11 by a large distance, thereby improving the convenience of connecting the connector 5 and the conveying mechanism 2 and improving the compactness of the structure. ; At the same time, the setting of the escape opening 111 can also provide a limit in one direction for the movement of the connecting member 5 along the first direction. The connecting member 5 may be a flat structure perpendicular to the first direction.

In order to improve the smoothness of the conveying mechanism 2 sliding relative to the frame 11, the logistics vehicle 100 further includes a sliding guide assembly 6, which is configured to provide guidance for the conveying mechanism 2 to move in the first direction. The sliding guide assembly 6 may include a slide rail 61 and a slide block 62 that is slidably matched with the slide rail 61. The slide rail 61 extends along the first direction and is laid on the upper surface of the frame 11. The slide block 62 is detachable from the bottom of the conveyor mechanism 2. connect. Two sliding guide assemblies 6 may be provided at intervals along the first direction to improve the running smoothness and reliability of the conveying mechanism 2 .

In order to prevent the conveyor mechanism 2 from falling out of the mobile chassis 1 when sliding outward in the first direction, each slide rail 61 is provided with two slide blocks 62. One of the slide blocks 62 is connected to the side of the conveyor mechanism 2 away from the unloading end, and the other slide block 62 is connected to the side of the conveyor mechanism 2 away from the unloading end. The 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 installed on the conveying frame 21 . The conveying frame 21 is slidingly connected to the vehicle frame 11 . The slide block 62 is connected to the bottom of the conveyor frame 21 , and the side of the conveyor frame 21 facing the unloading end is connected to the connector 5 . The conveying driving mechanism is installed on the conveying frame 21, and the conveying driving mechanism can convey goods in the first direction.

The conveyor frame 21 may include side mounting seats 211 that are opposite and spaced along the second direction. A conveying channel is formed between the two side mounting seats 211 , and the upper end of the side mounting seat 211 is higher than the conveying surface of the conveying drive mechanism, so as to transport the goods. Provide a stop to prevent the goods from falling off the side of the conveyor rack 21. The conveyor frame 21 also includes a mounting bottom plate 212 connected between the two side mounting seats 211. The lower surface of the mounting bottom plate 212 is connected to the slider 62, and the mounting bottom plate 212 is connected to the connector 5 to improve the slider 62 and the connector. 5. Convenience of connection with the conveyor rack 21.

The conveying driving mechanism may include a driving roller 23 and a driven roller 24 spaced apart along the first direction, and both the driving roller 23 and the driven roller 24 extend along the second direction. The conveying drive mechanism also includes a conveying drive motor 210 and a conveying belt 22 that is tensioned on the driving roller 23 and the driven roller 24. The conveying belt 22 extends to two side mounting seats 211 on both sides along the second direction. The motor 210 is drivingly connected to the driving drum 23, and the rotation of the conveying driving motor 210 can drive the driving drum 23 connected thereto to rotate, thereby driving the conveying belt 22 to rotate. The conveyor belt 22 is used for conveying goods, which has high conveying stability, low conveying noise, and is suitable for conveying goods of various sizes.

The conveyor drive motor 210 is installed on the outside of one side of the mounting base 211 to avoid interference with the conveyor belt 22 involved. The first end of the driving roller 23 rotates out of the side mounting seat 211 , and the conveying drive motor 210 and the driving roller 23 are drivingly connected through the transmission assembly 28 . In this embodiment, the transmission assembly 28 includes two transmission pulleys 281 respectively sleeved on the driving shaft of the conveying drive motor 210 and the first end of the driving drum 23 and a transmission belt 282 tensioned between the two transmission pulleys 281 . The above-mentioned structural arrangement of the transmission assembly 28 is only an exemplary arrangement, and other transmission assembly structures that can realize the transmission drive motor 210 driving the driving roller 23 can be applied in this application.

In order to facilitate the installation of the driving roller 23 and the driven roller 24, both ends of the driving roller 23 and the driven roller 24 are rotatably equipped with wheel mounting seats 25, and the wheel mounting seats 25 are detachably connected to the corresponding side mounting seats 211. The wheel mount 25 may be located outside the side mount 211 to avoid interference with the operation of the conveyor belt 22 .

The installation position of the driven roller 24 on the side mounting base 211 can be adjusted in the first direction to adjust the distance between the driving roller 23 and the driven roller 24 to tighten the conveyor belt 22 and improve the conveyor belt 22 transportation reliability.

In this embodiment, shaft holes 2114 are provided at both ends of the side mounting base 211 along the first direction. The shaft holes 2114 penetrate through both sides of the side mounting base 211 in the second direction. Both sides of the driving roller 23 and the driven roller 24 The ends are respectively rotated and passed through the corresponding shaft through holes 2114. At least the two shaft through holes 2114 corresponding to the driven roller 24 are long holes, and the long holes extend along the first direction, so that both ends of the driven roller 24 can slide in the long holes to change the driven roller 24 The installation position in the first direction.

The position of the rotating mounting seat 25 sleeved on the driven roller 24 on the side mounting seat 211 can be adjusted in the first direction, thereby improving the convenience of position adjustment of the driven roller 24 and improving the installation of the driven roller 24 Convenience.

The side mounting base 211 is provided with a mounting hole 2113, and the mounting hole 2113 is a long hole extending along the first direction. The rotating mounting base 25 is provided with a mounting threaded hole. The mounting threaded hole is directly connected with the mounting hole 2113, and the side mounting base 211 and the rotating mounting base 25 can be connected through a locking threaded member that penetrates the mounting threaded hole and the mounting hole 2113. , to realize the locking of the rotating mounting base 25 after position adjustment. A mounting hole 2113 is provided on both the upper and lower sides of the driven shaft hole, and the mounting threaded holes and the mounting holes 2113 are provided in one-to-one correspondence to improve the connection reliability between the side mounting base 211 and the rotating mounting base 25 .

A tension adjustment assembly 26 is provided on one side of the rotation mounting base 25. The tension adjustment assembly 26 includes a connection base 261 and an adjustment bolt 262 threaded on the connection base 261. The screw end of the adjustment bolt 262 is in contact with the rotation installation. On one side of the seat 25 along the first direction, the adjusting bolt 262 extends along the first direction, whereby the rotating mounting seat 25 can be driven to slide along the first direction by twisting the adjusting bolt 262 to adjust the position of the rotating mounting seat 25 .

The connecting base 261 includes a fixed plate part and a screwed plate part. The fixed plate part is detachably connected to the side mounting base 211. The screwed plate part is provided with an adjusting threaded hole, and the adjusting bolt 262 is threaded in the adjusting threaded hole. Tension adjustment The joint assembly 26 is located on the side of the driven roller 24 facing the driving roller 23 to improve the rationality of the spatial layout, so that the driven roller 24 and the driving roller 23 are arranged at both ends of the side mounting seat 211 as much as possible.

The side mounting base 211 may include a main side plate part 2111, which is arranged vertically, and the upper and lower ends of the main side plate part 2111 have baffle parts 2112 extending outward, and the driven roller 24 and the driving roller 23 are both It is installed on the main side plate part 2111, and the conveying drive motor 210 is installed on the baffle part 2112 located below through the motor base 29. The arrangement of the two baffle portions 2112 is conducive to providing shielding for the ends of the driven roller 24 and the driving roller 23, reducing the probability of collision of the external structure on the conveying drive mechanism, and improving the operational safety and reliability of the conveying mechanism 2.

In order to ensure the conveying reliability of the conveying belt 22 , the conveying mechanism 2 further includes a supporting plate 27 , which is disposed between the conveying belt 22 and the mounting bottom plate 212 to support the conveying belt 27 . The supporting plate 27 may include a horizontally arranged support plate portion 271 that is in contact with the lower surface of the conveyor belt 22 . The support plate portion 271 is bent downward along both sides in the first direction to form a flange portion 272 . The flange portion 272 is supported on the mounting base plate 212 and is detachably connected to the mounting base plate 212 .

As shown in Figures 1 to 3, the logistics vehicle 100 also includes a scanning device 8. The scanning device 8 is configured to scan a location tag to realize the operation positioning and navigation of the logistics vehicle 100. The location tag can be Radio Frequency Identification (RFID). ) tag, may also be a QR code tag, or may be other tags capable of positioning in related technologies, and the scanning device 8 corresponds to the type of location tag. The scanning device 8 is installed at the bottom of the vehicle frame 11, and the scanning head of the scanning device 8 is set downward to scan the position label downward.

The logistics vehicle 100 also includes an anti-collision sensor 4. The anti-collision sensor 4 is installed on both sides of the logistics vehicle 100 along the second direction. The anti-collision sensor 4 is installed on the outside of the conveyor frame 21 through the sensor bracket 9. The anti-collision sensor 4 is configured as The distance between the logistics vehicle 100 and other logistics vehicles 100 or external obstacles is detected, thereby controlling the logistics vehicle 100 to stop running in time to avoid collisions and improve the operation safety of the logistics vehicle 100 . The anti-collision sensor 4 can select a laser ranging sensor, or other sensors that can be set to perform ranging.

The bottom of the mobile chassis 1 is also provided with a brush 7, and the brush 7 is configured to cooperate with the sliding wire on the conveyor track 200 to provide power for the operation of the logistics vehicle 100 and ensure the endurance of the logistics vehicle 100.

Embodiment 2

As shown in Figures 7-10, this embodiment provides a logistics system that can be applied in the distribution scenario of order goods to realize the collection of multiple different goods in the same order. It can also be applied to other needs. In scenarios where goods are distributed, such as classifying different types of goods that are mixed together, or subdividing the same goods that are mixed together, it can also be applied to the sorting of packages or goods. This application does not cover the logistics system. Application scenarios are restricted.

The logistics system includes a conveyor track 200, a logistics vehicle 100, a storage shelf 400 and a control system. The conveyor track 200 extends along a set extension direction, and a storage shelf 400 is provided on at least one side of the conveyor track 200. A storage shelf 400 is provided on at least one side of the conveying track 200. The storage shelf 400 has at least two rows of storage containers 402 arranged side by side. Each row of storage containers 402 includes a plurality of storage containers arranged side by side along the extension direction of the conveying track 200. 402; The logistics vehicle 100 adopts the logistics vehicle provided in Embodiment 1. The logistics vehicle 100 walks on the conveyor track 200, and the conveyor mechanism 2 can slide in the first direction relative to the mobile chassis 1 to unload the goods to any row of storage. in container 402.

In the logistics system provided by this embodiment, by sliding the transport mechanism 2 along the first direction, the logistics vehicle 100 can selectively unload goods into any row of storage containers 402, thereby improving the unloading flexibility of the logistics vehicle 100. Thereby improving logistics efficiency; at the same time, this setting does not require the vertical lifting of the logistics vehicle 100, and can reduce the energy consumption of the logistics vehicle 100, thereby reducing the overall energy consumption of the logistics system and reducing the operating cost of the logistics system.

The conveyor track 200 includes a first track 201 and a second track 202 that are spaced and arranged side by side. The logistics vehicle 100 is rollingly supported on the first track 201 and the second track 202 on both sides along the first direction, where the first track 201 is located The side away from the unloading end of the conveyor mechanism 2. The two running wheels 122 are respectively rollingly supported on the first rail 201, the two follower wheels 13 are respectively supported on the second rail 202, and the two guide rollers 125 on each running wheel mechanism 12 are respectively located on the first rail 201. Opposite sides.

In this embodiment, both the first rail 201 and the second rail 202 are circular rails, the first rail 201 is located inside the second rail 202, and the storage shelf 400 is located outside the second rail 202. In other embodiments, the first rail 201 and the second rail 202 may be linear rails or rails of other shapes, the storage rack 400 may be disposed outside the second rail 202 and/or outside the first rail 201, and the logistics The operation of the vehicle 100 on the conveyor track 200 can also adopt other forms, as long as the logistics vehicle 100 can be ensured to run on the conveyor track 200 .

The width of the second rail 202 is greater than the width of the first rail 201, which increases the contact area between the second rail 202 and the mobile chassis 1, reduces the probability of the logistics vehicle 100 tilting or even overturning during operation, and improves the operation reliability of the logistics vehicle 100. sex.

The conveyor track 200 is laid on the support frame 300 to increase the height of the conveyor track 200 . In order to realize the power supply for the operation of the logistics vehicle 100 and ensure the endurance of the logistics vehicle 100, a sliding contact wire 600 is also laid on the support frame 300. The bottom of the mobile chassis 1 is provided with a brush 7 matched with the sliding contact wire 600. The brush 7 and The structure and matching method of the sliding contact line 600 are conventional settings in this field, and will not be described again here.

The support frame 300 is also provided with a code tape 700 that cooperates with the scanning device 8 . The code tape 700 is arranged between the first track 201 and the second track 202 and extends along the extension direction of the conveyor track 200 . The scanning device 8 obtains the position information at the corresponding position by scanning the code tape 700, thereby realizing the operation positioning of the logistics vehicle 100 on the conveyor track 200 and ensuring the operation reliability of the logistics vehicle 100.

The logistics system also includes a loading mechanism 800. The loading mechanism 800 is disposed on one side of the conveyor track 200 and is connected to the loading mechanism 800. The conveyor track 200 is docked, and the loading mechanism 800 is configured to convey goods to the logistics vehicle 100 located on the conveyor track 200 . The structure of the loading mechanism 800 and the docking method between the loading mechanism 800 and the logistics vehicle 100 can adopt related technologies. This is not the focus of this application and will not be described again here.

The logistics system also includes a code scanning device 900 arranged at the loading mechanism 800. The scanning device 900 is located above the loading mechanism 800 and is configured to scan the label code of the goods passing below it. The label code stores the cargo information of the goods. and/or address information. The code scanning device 900 is communicatively connected to the control system. The control system determines the location of the target storage container 402 based on the cargo information and/or address information scanned by the scanner, and controls the logistics vehicle 100 to receive the cargo. Then it runs along the conveyor track 200 to a position corresponding to the target storage container 402, and controls the conveyor mechanism 2 to unload the cargo according to the position of the target storage container 402.

In this embodiment, the storage shelf 400 includes a shelf body 401 and a plurality of rows of storage containers 402 spaced apart along the height direction on the shelf body 401 . The logistics system also includes an unloading guide assembly 500 located between the storage container 402 and the conveyor track 200. The unloading 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 connected with the The unloading end is docked, and the lower end of the guide chute 5011 is docked with the opening of the corresponding storage container 402.

By arranging multiple rows of storage containers 402 at intervals along the height direction, the space in the vertical direction can be fully utilized and the floor space of the storage shelf 400 can be reduced, thereby reducing the overall floor space of the logistics system; and by arranging unloading guide components 500, which can ensure that the goods unloaded from the logistics vehicle 100 can slide along the guide chute 5011 to the storage container 402 of the corresponding layer, thereby improving the reliability of unloading and reducing the impact of the height of the storage container 402 on the unloading of the logistics vehicle 100. .

In other embodiments, multiple rows of storage containers 402 are arranged side by side in the horizontal direction away from the conveyor track 200 . When the conveyor mechanism 2 adjusts the length of the extended mobile chassis 1 , it selects to unload goods to the storage containers 402 of the corresponding row. .

There are multiple rows of unloading guide assemblies 500, and each row of storage containers 402 is directly opposite to a row of unloading guide assemblies 500. Each row of unloading guide assemblies 500 is provided with a plurality of guide chute 5011 along its extension direction. The multiple rows of unloading guide assemblies 500 corresponding to the multiple rows of storage containers 402 arranged sequentially from top to bottom are arranged in sequence between the conveyor track 200 and the storage shelf 400 .

At least the guide chute 5011 located in the innermost row includes an upper guide groove part 5011a and a lower guide groove part 5011b connected in sequence from top to bottom. The upper guide groove part 5011a and the adjacent guide chute 5011 are in a direction perpendicular to the conveyor track 200 The upper guide groove portion 5011b is arranged at intervals, and the lower guide groove portion 5011b is located below the guide chute 5011 that is at least outside the innermost row of guide chute 5011. The inclination angle of the lower guide groove portion 5011b relative to the horizontal plane is smaller than the inclination angle of the upper guide groove portion 5011a relative to the horizontal plane. horn. This arrangement makes the distance between the upper guide groove 5011a and the guide chute 5011 located at least outside the innermost row of guide chute 5011 relatively large, which is conducive to the passage of goods from between two adjacent guide chute 5011 This reduces the overall size of the logistics system and avoids the problem of increased collision between the goods and the storage container 402 caused by the large inclination angle of the inner guide chute 5011. The problem is to provide a buffer for the goods entering the storage container 402 to ensure the safety of unloading the goods.

The storage container 402 has an upper end opening, and the upper end of the storage container 402 facing the conveyor track 200 is provided with a side opening 4021 connected with the upper end opening. The lower end of the guide chute 5011 extends to the side opening 4021. This kind of structural arrangement of the storage container 402 is conducive to reducing the height of the opening edge of the storage container 402, thereby reducing the need for the lower end height of the guide chute 5011, thereby preventing the conveyor track 200 from being too high and improving the layout of the unloading guide assembly 500. Rationality and compactness.

The storage shelf 400 is provided with 2 to 5 rows of storage containers 402 to avoid problems such as the high height requirement of the support frame 300 caused by the uppermost storage container 402 being too high and the large inclination angle of the innermost guide chute 5011. In this embodiment, two rows of storage containers 402 are provided on the storage shelf 400 .

The unloading guide assembly 500 includes a mounting bracket 502 and a plurality of guide pieces 501 arranged on the top of the mounting bracket 502. The guide pieces 501 are arranged in one-to-one correspondence with the corresponding rows of storage containers 402. The guide pieces 501 are provided with the above-mentioned guide chute 5011. This arrangement can improve the convenience of assembly and replacement of the unloading guide assembly 500, and facilitate the movement and arrangement of the unloading guide assembly 500.

The guide 501 may include an inclined main plate, which extends obliquely downward from a direction away from the conveyor track 200 . Both sides of the inclined main plate along the extension direction of the conveyor track 200 are bent upward with folding plate portions. The inclined main plate and the two folding plate portions Enclosed to form the above-mentioned guide chute 5011. The upper end of the inclined main board is bent backward and downward to form a guide plate portion 5012 to guide goods into the guide chute 5011 and prevent the goods from being scratched by the upper edge of the tilted main board.

The end of the guide plate portion 5012 away from the inclined main plate is bent backward and downward to form a contact plate portion. The contact plate portion of the innermost guide member 501 is set up on the conveyor track 200 to improve the docking between the guide member 501 and the conveyor track 200 . Convenience and reliability, and installation and positioning of the innermost unloading guide assembly 500.

Claims

A logistics vehicle including:

The mobile chassis (1) is configured to self-propelledly move along the conveyor track (200);

The conveying mechanism (2) is configured to carry and convey goods along a first direction perpendicular to the conveying track (200), and is disposed on the mobile chassis (1) slidingly along the first direction, so that all The unloading end of the conveying mechanism (2) selectively extends horizontally outward from the mobile chassis (1).
The logistics vehicle according to claim 1, further comprising a translation drive mechanism (3) and a connecting piece (5), the translation drive mechanism (3) is installed at the bottom of the mobile chassis (1) and the translation drive mechanism (3) is installed on the bottom of the mobile chassis (1). The driving end of (3) is configured to telescope along the first direction, and the connecting piece (5) is connected between the driving end and the conveying mechanism (2).
The logistics vehicle according to claim 1, wherein the mobile chassis (1) has a follower wheel (13) and a traveling wheel (122) running on two tracks of the conveyor track (200) respectively, and the The running wheel (122) is located on the side away from the unloading end. At least one running wheel (122) is connected to a wheel drive motor (16). The axial length of the following wheel (13) is greater than that of the running wheel (122). Axial length.
The logistics vehicle according to claim 1, wherein a plurality of pairs of guide rollers (125) are rotatably installed on the bottom of the side of the mobile chassis (1) away from the unloading end, and each pair of guide rollers (125) includes a guide roller (125) along the first Two guide rollers (125) are spaced apart in one direction, and the two guide rollers (125) are in rolling contact with opposite sides of the same conveyor track (200).
A logistics system including:

Conveyor track(200);

The storage shelf (400) is provided with the storage shelf (400) on at least one side of the conveyor track (200). The storage shelf (400) is equipped with at least two rows of storage containers (402) arranged side by side, each row The storage container (402) includes a plurality of storage containers (402) arranged side by side along the extension direction of the conveyor track (200);

The logistics vehicle according to any one of claims 1 to 4, the logistics vehicle is configured to walk on the transportation track (200), and the transportation mechanism (2) of the logistics vehicle is positioned relative to the logistics vehicle. The mobile chassis (1) slides along the first direction to unload goods into the storage containers (402) of each row.
The logistics system according to claim 5, wherein the storage shelf (400) has multiple rows of storage containers (402) spaced apart along the height direction;

The logistics system also includes an unloading guide assembly (500) located between the storage container (402) and the conveyor track (200). The unloading guide assembly (500) corresponds to each storage container (402). An inclined guide chute (5011) is provided, the upper end of the guide chute (5011) is docked with the unloading end of the logistics vehicle, and the lower end of the guide chute (5011) is connected with the corresponding storage container (402). ) on Oral docking.
The logistics system according to claim 6, wherein the unloading guide assembly (500) is provided with multiple rows, and each row of storage containers (402) is directly opposite to a row of unloading guide assemblies (500), and each row of unloading guide assemblies (500) A plurality of guide chutes (5011) are provided on the assembly (500) along the extending direction of each row of unloading guide assemblies (500);

The multiple rows of unloading guide assemblies (500) corresponding to the multiple rows of storage containers (402) arranged sequentially from top to bottom are arranged in sequence between the conveyor track (200) and the storage shelf (400).
The logistics system according to claim 7, wherein at least the guide chute (5011) located in the innermost row includes an upper guide groove portion (5011a) and a lower guide groove portion (5011b) connected in sequence from top to bottom, said The upper guide groove portion (5011a) is spaced apart from the adjacent guide chute (5011) in a direction perpendicular to the conveyor track (200), and the lower guide groove portion (5011b) is located at least in the innermost row. Below the guide chute (5011) outside the guide chute (5011), the inclination angle of the lower guide groove portion (5011b) relative to the horizontal plane is smaller than the inclination angle of the upper guide groove portion (5011a) relative to the horizontal plane.
The logistics system according to claim 6, wherein the storage container (402) has an upper end opening, and the upper end of the storage container (402) facing the conveyor track (200) is provided with the The upper end opening is connected to the side opening (4021), and the lower end of the guide chute (5011) extends to the side opening (4021).
The logistics system according to any one of claims 5 to 9, wherein the conveyor track (200) includes a first track (201) and a second track (202) spaced apart and arranged side by side, and the mobile chassis (1 ) are supported on the first rail (201) and the second rail (202) on both sides along the first direction respectively, and the first rail (201) is located away from the unloading end of the logistics vehicle. On one side, the width of the second track (202) is greater than the width of the first track (201).