A shuttle vehicle for towing heavy loads within a rack rail

By installing a flipping hook mechanism and an automatic control system on the shuttle, the problem of insufficient load capacity of the shuttle was solved, enabling efficient and safe transportation of heavy goods and improving the transportation capacity of automated dense storage warehouses.

CN116588562BActive Publication Date: 2026-07-10SHANGHAI JINGXING STORAGE EQUIPMENT ENGINEERING CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI JINGXING STORAGE EQUIPMENT ENGINEERING CO LTD
Filing Date
2023-05-29
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Shuttle vehicles have limited carrying capacity, which cannot meet the transportation needs of heavy goods and restricts the development of automated dense storage warehouses.

Method used

A flip-hook mechanism is installed on the shuttle car. The hook assembly holds the goods and converts them into a traction-type load. Combined with an automatic control system and a positioning system, the goods can be accurately transported.

Benefits of technology

It increases the cargo capacity of the shuttle, improves transmission efficiency, enables automatic or remote control operation, saves space and energy, and ensures the safe transport of goods.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of shelf shuttle vehicle, and discloses a shuttle vehicle for towing heavy goods in a shelf track, which comprises a shuttle vehicle body, a driving system and a turnover hook mechanism, the driving system comprises a walking mechanism and a follow-up assembly, the walking mechanism is provided with two and is arranged at the front and rear ends of the shuttle vehicle body respectively, the follow-up assembly is provided with multiple groups and is arranged on the two sides of the shuttle vehicle body, and the follow-up assembly is connected with the walking mechanism, the turnover hook mechanism comprises a hook turnover motor and a hook assembly, the hook turnover motor is arranged at one end of the shuttle vehicle body, and the hook assembly is arranged on the shuttle vehicle body and is connected with the hook turnover motor, the turnover hook mechanism is arranged on the shuttle vehicle, goods are placed on the shuttle vehicle, the hook assembly is used to turn up and clamp the goods, the goods are moved, the carrying mode of the goods is changed into a towing mode, the carrying weight of the shuttle vehicle can be improved, and the conveying efficiency is increased.
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Description

Technical Field

[0001] This invention relates to the field of rack shuttle technology, specifically to a shuttle for pulling heavy goods within rack tracks. Background Technology

[0002] In recent years, the construction of centralized warehouses and modern logistics distribution centers in China has accelerated, leading to the continuous promotion of automated logistics transportation technology. This has increased the demand for automated high-density storage warehouses. However, the load capacity of shuttle vehicles cannot exceed 2000kg, with most loads around 1200kg. This makes it impossible to use such warehouses for heavy goods. Currently, goods weighing over 2000kg in warehouse shelves can only be stored using traditional beam racks. The limited load capacity of shuttle vehicles has constrained the development of automated high-density storage warehouses.

[0003] Therefore, the aforementioned technologies suffer from the problem that the shuttle's load capacity is limited and cannot meet transportation needs. Summary of the Invention

[0004] The technical problem to be solved by this invention is that the shuttle car has a limited load capacity and cannot meet the load requirements.

[0005] To solve the above-mentioned technical problems, the technical solution of the present invention is to provide a shuttle car for traction of heavy goods in a rack track, including a shuttle car body, a drive system and a flipping hook mechanism. The drive system includes a traveling mechanism and a follower component. There are two traveling mechanisms, which are respectively arranged at the front and rear ends of the shuttle car body. There are multiple sets of follower components, which are arranged on both sides of the shuttle car body and are connected to the traveling mechanism. The flipping hook mechanism includes a hook flipping motor and a hook assembly. The hook flipping motor is located at one end of the shuttle car body, and the hook assembly is located on the shuttle car body and connected to the hook flipping motor.

[0006] By adopting the above technical solution, a flipping hook mechanism is set on the shuttle car. The goods are placed on the shuttle car, and the hook assembly flips upward to lock the goods and move them. The way the goods are carried is changed to a traction type, which can increase the load capacity of the shuttle car and increase the transmission efficiency.

[0007] Optionally, the walking mechanism includes a drive motor, and the follower component is connected to the drive motor via a double-row chain.

[0008] By adopting the above technical solution, the follower components can be connected by a chain to rotate synchronously, preventing the shuttle car from running unstablely due to inconsistent rotation speeds of different groups of follower components.

[0009] Optionally, the follower component is provided with a tensioning mechanism, which is connected to the double-row chain for tensioning the double-row chain.

[0010] By adopting the above technical solution, a tensioning mechanism is set up to tighten the chain and prevent the chain from becoming too loose and slipping.

[0011] Optionally, the flipping hook mechanism further includes a commutator, two of which are connected to both ends of the hook flipping motor, and four hook assemblies are respectively located at the four corners of the shuttle body, with the lower end of each hook assembly connected to the commutator.

[0012] By adopting the above technical solution, hook assemblies are installed at both ends of the shuttle car, which can pull the goods when the shuttle car moves forward or backward, and the four hook assemblies can more effectively fix the pulled goods.

[0013] Optionally, the flipping hook mechanism further includes a universal joint and a drive shaft. There are two drive shafts and two universal joints. The universal joints are respectively connected to the inside of the commutator. The drive shaft is placed horizontally in the shuttle body, with one end connected to the universal joint and the other end connected to the hook assembly away from the hook flipping motor.

[0014] By adopting the above technical solution and setting up universal joints and drive shafts, all hook components can be controlled by only one motor, saving motor costs and enabling the hook components to rotate simultaneously, preventing any hook component from not rotating properly.

[0015] Optionally, the hook assembly includes a proximity switch.

[0016] By adopting the above technical solution, the proximity switch is used to detect whether the hook assembly is in the correct position, thus preventing the hook assembly from failing to rotate properly and thus failing to pull the goods.

[0017] Optionally, the shuttle body is equipped with a PLC controller, a WIFI module, a remote control receiver, and a motor driver. The PLC controller is located at the center of the shuttle body, the WIFI module is connected to the PLC controller, the remote control receiver is located near the hook flipping mechanism to control the hook flipping motor, and the motor driver is located near the walking mechanism at the front end of the shuttle body.

[0018] By adopting the above technical solutions, an automatic control system can be set up to enable the shuttle to operate automatically or manually via remote control.

[0019] Optionally, the shuttle body is also equipped with a battery and a charging system. The battery is connected to the drive motor and the hook tilting motor, and the charging system is connected to the battery and charges it.

[0020] By adopting the above technical solution, using batteries as the driving force, clean energy is used to reduce energy consumption, and it can continue to operate for a period of time in the event of power outages or other emergencies, thus avoiding danger caused by the failure to deliver goods.

[0021] Optionally, the shuttle vehicle body is also equipped with a positioning system, which includes a code reader located on the side of the shuttle vehicle body.

[0022] By adopting the above technical solution, the positioning system can read location data through a barcode reader, enabling the shuttle to stop precisely at the designated location and ensuring that goods are neatly arranged.

[0023] Optionally, a tray is provided above the shuttle body, the tray is U-shaped, and the tray is upside down on top of the shuttle body 1.

[0024] By adopting the above technical solution, the pallet is used to carry goods, and the shuttle car is located below the pallet to pull the pallet, which saves space compared to being located in front or behind.

[0025] The present invention also provides a conveying structure using the above-mentioned shuttle, including a shuttle, a rack and a non-powered transmission line. The rack has a track in the middle, the shuttle is located in the track, the non-powered transmission line is located on the rack on both sides of the track, and the pallet is attached above the shuttle and supported on both sides of the non-powered transmission line.

[0026] In summary, the present invention has at least one of the following beneficial effects:

[0027] 1. This invention improves the carrying capacity of the shuttle and increases the transmission efficiency by setting a flip hook mechanism on the shuttle and using the hook assembly to hold the goods.

[0028] 2. The automatic control system of this invention can enable the shuttle to run automatically or manually via remote control.

[0029] 3. The present invention places the shuttle car under the pallet, which can save transportation space, and the use of hook components to connect the pallet enables quick loading and unloading of goods. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of the shuttle vehicle of the present invention;

[0031] Figure 2 This is a side view of the shuttle vehicle of the present invention.

[0032] Figure 3 This is a diagram showing the assembly of the shuttle and the conveying structure of the present invention;

[0033] Figure 4This is an isometric view of the shuttle car of the present invention located in the conveying structure;

[0034] Figure 5 This is a schematic diagram of the structure of the shuttle hook assembly of the present invention.

[0035] In the diagram: 1. Shuttle body; 2. Walking mechanism; 3. Follow-up component; 4. Tensioning mechanism; 5. Hook flipping motor; 6. Commutator; 7. Hook assembly; 8. Universal joint; 9. Drive shaft; 10. Proximity switch; 11. PLC controller; 12. WIFI module; 13. Remote control receiver; 14. Motor driver; 15. Code reader; 16. Non-powered transmission line; 17. Battery; 18. Charging system; 19. Drive motor; 20. Pallet; 21. Shelf. Detailed Implementation

[0036] The following is in conjunction with the appendix Figure 1-5 The present invention will be described in further detail below.

[0037] This invention discloses a shuttle car for traction of heavy goods within a rack track, with reference to... Figure 1 and Figure 2 The system includes a shuttle body 1, a drive system, and a flip hook mechanism. The drive system includes a walking mechanism 2 and a follower component 3. There are two walking mechanisms 2, which are respectively located at the front and rear ends of the shuttle body 1. There are multiple follower components 3, which are located on both sides of the shuttle body 1 and are connected to the walking mechanism 2. The flip hook mechanism includes a hook flip motor 5 and a hook assembly 7. The hook flip motor 5 is located at one end of the shuttle body 1, and the hook assembly 7 is located on the shuttle body 1 and connected to the hook flip motor 5.

[0038] Specifically, the walking mechanism 2 is located at both ends of the shuttle body 1, the follower component 3 passes through the side of the shuttle body 1 and is located outside it, the hook flipping motor 5 is fixed at one end of the shuttle body 1, and the hook assembly 7 is connected to the hook flipping motor 5. The walking mechanism 2 drives the follower component 3 to rotate, so that the shuttle body 1 moves, and the hook flipping motor 5 causes the hook assembly 7 to flip up and down. By setting a flipping hook mechanism on the shuttle and using the hook assembly to hold the goods, the way of carrying goods is changed to traction, which can increase the load capacity of the shuttle and increase the transmission efficiency.

[0039] Optionally, the walking mechanism 2 includes a drive motor 19, and the follower component 3 is connected to the drive motor 19 via a double-row chain. The follower component 3 is provided with a tensioning mechanism 4, which is connected to the double-row chain for tensioning the double-row chain.

[0040] In a further embodiment, the flipping hook mechanism also includes a commutator 6. Two commutators 6 are provided and connected to both ends of the hook flipping motor 5. Four hook assemblies 7 are provided and respectively located at the four corners of the shuttle body 1. The lower end of the hook assembly 7 is connected to the commutator 6.

[0041] Optionally, the flipping hook mechanism also includes a universal joint 8 and a drive shaft 9. There are two drive shafts 9 and two universal joints 8. The universal joints 8 are respectively connected to the inside of the commutator 6. The drive shaft 9 is placed horizontally in the shuttle body 1, and one end of the drive shaft 9 is connected to the universal joint 8, and the other end is connected to the hook assembly 7 which is far away from the hook flipping motor 5.

[0042] Specifically, the hook-turning motor 5 in the hook-turning mechanism is fixed to one end of the shuttle body 1. The commutator 6 is connected to the output shafts at both ends of the hook-turning motor 5. Two universal joints 8 are respectively connected to the inside of the commutator 6. The drive shaft 9 is placed in the shuttle body 1, and one end of the drive shaft 9 is connected to the universal joint 8. There are four hook assemblies 7, located at the four corners of the shuttle body 1. The two hook assemblies 7 that are farther away from the hook-turning motor 5 are connected to the other end of the drive shaft 9. The other two hook assemblies 7 are connected to the outside of the commutator 6. The four hook assemblies 7 are connected by the commutator 6, the universal joint 8 and the drive shaft 9. Only one motor can be used to control all hook assemblies, saving motor costs and enabling the hook assemblies to turn simultaneously, preventing any hook assembly from not turning in place.

[0043] Optionally, the hook assembly 7 is provided with a proximity switch 10, which is used to detect whether the hook assembly 7 has been flipped into place.

[0044] In a further embodiment, the shuttle body 1 is provided with a PLC controller 11, a WIFI module 12, a remote control receiver 13 and a motor driver 14. The PLC controller 11 is located at the center of the shuttle body 1, the WIFI module 12 is connected to the PLC controller 11, the remote control receiver 13 is located near the hook flipping mechanism for controlling the hook flipping motor 5, and the motor driver 14 is located near the walking mechanism 2 at the front end of the shuttle body 1.

[0045] Optionally, the shuttle body 1 is also equipped with a positioning system, which includes a code reader 15 located on the side of the shuttle body 1.

[0046] Specifically, the PLC controller 11 is installed on the shuttle body 1, and the WIFI module 12 on it is used to receive signals. The PLC controller can control the shuttle to achieve automatic operation, and can also manually control the shuttle operation through the remote control receiver 13. The barcode reader 15 in the positioning system can automatically identify the barcode on the shelf to achieve accurate positioning.

[0047] In a further embodiment, the shuttle body 1 is also equipped with a battery 17 and a charging system 18. The battery 17 is connected to the drive motor 19 and the hook tilting motor 5. The charging system 18 is connected to the battery 17 and charges it. Specifically, using the battery 17 as the driving power can save energy. Moreover, using a rechargeable battery 17 can continue to work for a period of time in case of emergencies, avoiding danger caused by the failure to deliver goods.

[0048] In a further embodiment, a tray 20 is provided above the shuttle body 1. The tray 20 is U-shaped and is upside down on the shuttle body 1. Specifically, the tray 20 is attached to the shuttle body 1, and goods are placed on the tray 20. The hook assemblies 7 at the four corners of the shuttle body 1 flip upward to lock the tray 20 and move it.

[0049] The present invention also discloses a conveying structure using the above-mentioned shuttle, including a shuttle, a rack 21, and a non-powered transmission line 16. The rack 21 has a track in the middle, the shuttle is located in the track, and the non-powered transmission line 16 is located on the rack 21 on both sides of the track. The pallet 20 is fastened above the shuttle and its two sides are supported on the non-powered transmission line 16. Specifically, the shuttle is located in the track and the hook assembly 7 on it holds the pallet 20. The pallet 20 is supported by the non-powered transmission line 16. The shuttle drives the pallet 20 to move. Using the non-powered transmission line 16 can reduce friction and reduce the traction force required by the shuttle.

[0050] In summary, the present invention provides a shuttle car for traction of heavy goods within a rack track. When in use, the goods are placed on a pallet 20, the pallet 20 is secured by a hook assembly 7 and moved along a non-powered transmission line 16, and the goods are transported by traction. This increases the weight of goods that the shuttle car can carry. Furthermore, the inclusion of a positioning system, a PLC controller 11, and a remote control receiver 13 allows the shuttle car to operate automatically or manually, improving convenience.

[0051] The above are all preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A shuttle car for traction of heavy goods within a rack track, characterized in that, The device includes a shuttle body (1), a drive system, and a flip hook mechanism. The drive system includes a walking mechanism (2) and a follower component (3). There are two walking mechanisms (2) and they are respectively located at the front and rear ends of the shuttle body (1). There are multiple follower components (3) and they are located on both sides of the shuttle body (1). The follower component (3) is connected to the walking mechanism (2). The flip hook mechanism includes a hook flip motor (5) and a hook assembly (7). The hook flip motor (5) is located at one end of the shuttle body (1), and the hook assembly (7) is located on the shuttle body (1) and connected to the hook flip motor (5). The shuttle body (1) is provided with a tray (20) above it. The tray (20) is U-shaped and is upside down on the shuttle body (1). It also includes a shelf (21) and a non-powered transmission line (16). The middle part of the shelf (21) is provided with a track. The shuttle is placed in the track. The non-powered transmission line (16) is placed on the shelf (21) on both sides of the track. The tray (20) is placed on the shuttle and its two sides are supported on the non-powered transmission line (16). The flipping hook mechanism also includes a commutator (6), which has two commutators (6) and is connected to both ends of the hook flipping motor (5). The hook assembly (7) has four hooks and is located at the four corners of the shuttle body (1). The lower end of the hook assembly (7) is connected to the commutator (6). The flipping hook mechanism also includes a universal joint (8) and a drive shaft (9). There are two drive shafts (9) and two universal joints (8). The universal joints (8) are connected to the inside of the commutator (6). The drive shaft (9) is placed horizontally in the shuttle body (1). One end of the drive shaft (9) is connected to the universal joint (8), and the other end is connected to the hook assembly (7) which is far away from the hook flipping motor (5). The hook assembly (7) is provided with a proximity switch (10).

2. A shuttle car for traction of heavy goods within a rack track according to claim 1, characterized in that, The walking mechanism (2) includes a drive motor (19), and the follower component (3) is connected to the drive motor (19) via a double-row chain.

3. A shuttle car for traction of heavy goods within a rack track according to claim 2, characterized in that, The follower component (3) is provided with a tensioning mechanism (4), which is connected to the double-row chain for tensioning the double-row chain.

4. A shuttle car for traction of heavy goods within a rack track according to claim 2, characterized in that, The shuttle body (1) is also equipped with a battery (17) and a charging system (18). The battery (17) is connected to the drive motor (19) and the hook flipping motor (5). The charging system (18) is connected to the battery (17) and charges it.

5. A shuttle car for traction of heavy goods within a rack track according to claim 1, characterized in that, The shuttle body (1) is equipped with a PLC controller (11), a WIFI module (12), a remote control receiver (13) and a motor driver (14). The PLC controller (11) is located at the center of the shuttle body (1). The WIFI module (12) is connected to the PLC controller (11). The remote control receiver (13) is located near the hook flipping mechanism to control the hook flipping motor (5). The motor driver (14) is located near the walking mechanism (2) at the front end of the shuttle body (1).

6. A shuttle car for traction of heavy goods within a rack track according to claim 5, characterized in that, The shuttle body (1) is also equipped with a positioning system, which includes a code reader (15) located on the side of the shuttle body (1).