A new type of vertical container material accessing device based on chain tow hook
The double-row roller chain drive system solves the problem of easy breakage of slide rails and pull rods in vertical containers, realizes stable and efficient pallet movement, improves the operating accuracy and life of the equipment, and is suitable for material storage and retrieval in vertical containers.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG CHENGYUAN SHUZHI ELECTRIC POWER TECHNOLOGY CO LTD
- Filing Date
- 2025-08-14
- Publication Date
- 2026-07-31
AI Technical Summary
In existing vertical container material storage and retrieval devices, the slide rails and pull rods are prone to metal fatigue and breakage, and replacement is difficult, affecting the stability and efficiency of the equipment.
The system employs a double-row roller chain drive system, including a pallet transfer module, a tension wheel adjustment module, and a pallet-carrying module. By utilizing the cooperation of chain hooks and pallet hooks, it enables the horizontal and vertical movement of the pallet, reducing reliance on visual sensors and improving operational accuracy and stability.
Double-row roller chain drive systems improve equipment maintenance convenience and lifespan, reduce amplitude and noise, enhance operating speed and stability, and are highly adaptable, making them suitable for material storage and retrieval environments in vertical containers.
Smart Images

Figure CN224577266U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of material management technology, specifically a novel vertical container material storage and retrieval device based on chain hooks. Background Technology
[0002] Vertical racking is a type of storage equipment that makes full use of space by designing multiple layers of racks in the vertical direction. It typically consists of a series of vertically arranged storage compartments, and uses a lifting device to move goods in the vertical direction to achieve automatic storage and retrieval of goods.
[0003] Currently, vertical storage containers offer greater storage capacity within a limited footprint, saving up to 90% or more of the available space, making them particularly suitable for areas with limited land resources and high rents. Vertical storage and retrieval systems fully utilize vertical space, increasing storage density, reducing the hardware space required for each stack, and enhancing structural compactness. This effectively solves the problem of insufficient warehouse space. Combined with intelligent control systems, they can precisely locate and manage goods, featuring high space utilization and fast retrieval efficiency, and are widely used in automated warehousing and other similar scenarios.
[0004] Since vertical containers are placed vertically, the existing storage and retrieval solutions use slide rails, pull rods, and hooks for storage. The pull rods in this solution need to move frequently, which can easily cause metal fatigue and breakage. Replacement is very easy because the rods are located inside the vertical container, and replacement is time-consuming and labor-intensive. Therefore, we propose a new type of vertical container material storage and retrieval device based on chain hooks. Utility Model Content
[0005] The purpose of this invention is to provide a novel vertical container storage and retrieval device based on chain hooks to solve the problems mentioned in the background art.
[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a novel vertical container material storage and retrieval device based on chain hooks, comprising: a pallet transfer module, a tension wheel adjustment module, and a pallet-bearing module;
[0007] The pallet transfer module includes a motor, a dual-output shaft reducer, and two symmetrically arranged side mounting plates.
[0008] Each of the side mounting plates is rotatably equipped with a drive sprocket, multiple driven sprockets, and a tensioner; the drive sprocket, driven sprockets, and tensioner together support and mesh with a double-row roller chain; multiple chain hooks are fixedly mounted on the double-row roller chain; a chain guide is fixedly mounted on the side mounting plate, and the chain guide is located on the tight side of the double-row roller chain; a pallet guide is fixedly mounted on the side mounting plate, and the pallet guide is arranged along the horizontal movement path of the double-row roller chain; the input shaft of the dual-output shaft reducer is connected to the output shaft of the motor, and the two output shafts of the dual-output shaft reducer are respectively connected to the two drive sprockets through a transmission shaft;
[0009] The tension wheel adjustment module is located on the opposite sides of the two side mounting plates and includes: a tension fixing block, a tension wheel shaft, a tension adjustment body, an adjustment bolt, and an adjustment nut;
[0010] The tension fixing block is fixed to the side mounting plate; one end of the tension wheel shaft passes through the side mounting plate and is rotatably connected to the tension wheel; the tension adjusting body is fixedly connected to the other end of the tension wheel shaft and can slide relative to the tension fixing block; the adjusting nut is fixedly mounted on the tension adjusting body; one end of the adjusting bolt is rotatably mounted on the tension fixing block, and the other end passes through the tension adjusting body and is threadedly connected to the adjusting nut.
[0011] The side mounting plate has a channel for the tension wheel shaft to move;
[0012] The carrying pallet module includes a carrying pallet, multiple pallet hooks disposed on both sides of the carrying pallet, and multiple pallet guide strips disposed at the ends of the carrying pallet; the shape and position of the pallet hooks are configured to contact and cooperate with the chain hooks to transmit horizontal traction force; the shape and position of the pallet guide strips are configured to contact and cooperate with the pallet guide plate to limit the offset of the carrying pallet.
[0013] According to the above technical solution, the pallet transfer module also includes a pallet transfer module crossbeam, a pallet transfer module wiring channel, a motor and reducer placement plate, and a transmission shaft bearing mounting plate;
[0014] The pallet transfer module crossbeams are symmetrically arranged between the two side mounting plates; the pallet transfer module wiring channel is fixedly arranged between the two pallet transfer module crossbeams; the motor and reducer placement plate is fixedly arranged between the two pallet transfer module crossbeams, and the motor and the dual output shaft reducer are fixedly arranged on the motor and reducer placement plate; the drive shaft bearing mounting plate is fixedly arranged on the pallet transfer module crossbeam near the drive shaft, and a bearing is installed on the drive shaft bearing mounting plate, and the drive shaft is rotatably supported in the bearing;
[0015] According to the above technical solution, the chain drag hook includes a drag hook part, two fixing parts, and a cotter pin; one end of the two fixing parts is fixedly connected to the drag hook part, and the other end passes through the pin hole of the corresponding link of the double-row roller chain; the through end of the fixing part is provided with a radial through hole, and the cotter pin passes through the radial through hole.
[0016] According to the above technical solution, the bottom of the support tray is provided with multiple reinforcing sheet metal parts;
[0017] According to the above technical solution, the tensioning fixing block and the side mounting plate are fixedly connected by fixing bolts.
[0018] Compared with existing technologies, the beneficial effects achieved by this utility model are as follows: The double-row roller chain drive offers the greatest advantages of convenient maintenance, long service life, and normal operation even in harsh environments; the carrying pallet can be directly removed for replacement of the pallet hook. Simultaneously, the parallel arrangement of the double-row roller chains reduces the lateral sway of the chain during operation, greatly improving its accuracy and resulting in faster and more stable operation. The double-row arrangement effectively reduces amplitude, with noise levels generally below 78dB at high speeds; the double-row roller chain has strong span adaptability, with its center distance potentially extending to 10m or even higher, making it ideal for material storage and retrieval environments in vertical containers.
[0019] By setting pallet hooks on the carrying pallet and chain hooks on the double-row roller chain, it can operate without relying on vision sensors. It only needs to calibrate the position of the carrying pallet, which effectively reduces the preparation time before operation. Attached Figure Description
[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0022] Figure 2 This is a schematic diagram of the overall structure of this utility model;
[0023] Figure 3 This is a structural schematic diagram of the opposite side of the side mounting plate of this utility model;
[0024] Figure 4 This is a traction path diagram of the load-bearing pallet module of this utility model;
[0025] Figure 5 This is a structural schematic diagram of the load-bearing tray module of this utility model;
[0026] Figure 6 This is a structural schematic diagram of the side opposite to the side mounting plate of this utility model.
[0027] Figure 7 This is a structural schematic diagram of the tension wheel adjustment module of this utility model;
[0028] Figure 8 This is a connection diagram of the chain drag hook and the double-row roller chain of this utility model;
[0029] Figure 9 This is a structural schematic diagram of the chain drag hook of this utility model;
[0030] Figure 10 This is an assembly drawing of the utility model and the vertical container.
[0031] In the diagram: 1. Motor; 2. Dual output shaft reducer; 3. Side mounting plate; 4. Drive sprocket; 5. Driven sprocket; 6. Tensioner wheel; 7. Double-row roller chain; 8. Chain hook; 81. Hook section; 82. Fixing section; 83. Cotter pin; 84. Radial through hole; 9. Chain guide; 10. Pallet guide plate; 11. Drive shaft; 12. Tensioning fixing block; 13. Tensioner wheel shaft; 14. Tensioning adjustment body; 15. Adjusting bolt; 16. Adjusting nut; 17. Channel; 18. Load-bearing pallet; 19. Pallet hook; 20. Pallet guide strip; 21. Pallet transfer module crossbeam; 22. Pallet transfer module cable tray; 23. Motor and reducer placement plate; 24. Drive shaft bearing mounting plate; 25. Reinforcing sheet metal; 26. Fixing bolt; 27. Pallet upper support sheet metal; 28. Pallet lower support sheet metal; 29. Bottom column. Detailed Implementation
[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0033] Please see Figure 1-10 The present invention provides a technical solution: a novel vertical container material storage and retrieval device based on chain hooks, comprising: a pallet transfer module, a tension wheel adjustment module, and a pallet-bearing module;
[0034] The pallet transfer module includes a motor 1, a dual-output shaft reducer 2, two symmetrically arranged side mounting plates 3, a pallet transfer module crossbeam 21, a pallet transfer module cable tray 22, a motor and reducer placement plate 23, and a transmission shaft bearing mounting plate 24.
[0035] Each side mounting plate 3 is rotatably equipped with a drive sprocket 4, multiple driven sprockets 5, and a tensioner 6; the drive sprocket 4, driven sprockets 5, and tensioner 6 together support and mesh with a double-row roller chain 7; multiple chain hooks 8 are fixedly installed on the double-row roller chain 7, with at least two chain hooks 8 on each double-row roller chain 7, the specific number of which can be adjusted according to the length of the carrying pallet 18. The chain hook 8 includes a hook part 81, two fixing parts 82, and a cotter pin 83; one end of the two fixing parts 82 is fixedly connected to the hook part 81, and the other end passes through the pin of the corresponding link of the double-row roller chain 7. A shaft hole replaces the pin corresponding to the chain link. A radial through hole 84 is provided at the through end of the fixing part 82, and a cotter pin 83 passes through the radial through hole 84 to play a fixing role. A chain guide 9 is fixedly provided on the side mounting plate 3 and is located on the tight side of the double-row roller chain 7. A pallet guide plate 10 is fixedly provided on the side mounting plate 3 and is arranged along the horizontal movement path of the double-row roller chain 7. The input shaft of the dual output shaft reducer 2 is connected to the output shaft of the motor 1, and the two output shafts of the dual output shaft reducer 2 are respectively connected to two drive sprockets 4 through the transmission shaft 11.
[0036] The pallet transfer module crossbeams 21 are symmetrically arranged between the two side mounting plates 3, providing support for the pallet transfer module. The pallet transfer module cable tray 22 is fixedly arranged between the two pallet transfer module crossbeams 21, forming a cable channel and protecting the cable used by the motor 1. The motor and reducer placement plate 23 is fixedly arranged between the two pallet transfer module crossbeams 21, and the motor 1 and the dual output shaft reducer 2 are fixedly arranged on the motor and reducer placement plate 23. The drive shaft bearing mounting plate 24 is fixedly arranged on the pallet transfer module crossbeam 21 near the drive shaft 11. The drive shaft bearing mounting plate 24 is equipped with a bearing, and the drive shaft 11 is rotatably supported in the bearing, which provides support for the drive shaft 11, reduces friction, and ensures the centering transmission accuracy.
[0037] The tension wheel adjustment module is set on the opposite sides of the two side mounting plates 3, and includes: tension fixing block 12, tension wheel shaft 13, tension adjustment body 14, adjustment bolt 15 and adjustment nut 16;
[0038] The tension fixing block 12 is fixed on the side mounting plate 3, and the tension fixing block 12 and the side mounting plate 3 are fixedly connected by fixing bolts 26; one end of the tension wheel shaft 13 passes through the side mounting plate 3 and is rotatably connected to the tension wheel 6; the tension adjusting body 14 is fixedly connected to the other end of the tension wheel shaft 13 and can slide relative to the tension fixing block 12; the adjusting nut 16 is fixedly set on the tension adjusting body 14, one end of the adjusting bolt 15 is rotatably installed on the tension fixing block 12, and the other end passes through the tension adjusting body 14 and is threadedly connected to the adjusting nut 16;
[0039] The side mounting plate 3 has a channel 17 for the tension wheel shaft 13 to move;
[0040] By turning the adjusting bolt 15 clockwise and counterclockwise, the position of the tension wheel shaft 13 is adjusted, thereby driving the tension wheel 6 to adjust the tension.
[0041] The pallet module includes a pallet 18, multiple pallet hooks 19 disposed on both sides of the pallet 18, and multiple pallet guide strips 20 disposed at the ends of the pallet 18. The pallet hooks 19 are used to cooperate with the traction movement of the pallet 18. The shape and position of the pallet hooks 19 are configured to contact and cooperate with the chain hooks 8 to transmit horizontal traction force. The number of pallet hooks 19 on one side is the same as the number of chain hooks 8 on a single double-row roller chain 7. The shape and position of the pallet guide strips 20 are configured to contact and cooperate with the pallet guide plate 10 to limit the offset of the pallet 18. Four pallets 18 are symmetrically arranged on the left and right sides to assist in pallet alignment and stability during operation. Multiple reinforcing sheet metal 25 are provided at the bottom of the pallet 18.
[0042] The entire device needs to be used in conjunction with a hoist in a vertical container. This device is responsible for the storage and retrieval of the pallet 18 by moving it back and forth, while the hoist is responsible for driving the vertical movement of the device.
[0043] This device is installed on a vertical container. The upper support sheet metal 27 and the lower support sheet metal 28 of the pallet are installed on the bottom column 29 to provide storage stack space for the pallet-carrying module. Together with the pallet transfer module, they form a complete storage and retrieval device.
[0044] During the storage of materials in the vertical container, the goods are loaded manually or by AGV carts and placed on the carrying pallet 18. The goods must not exceed the boundary or the height of the highest compartment in the vertical container. This step completes the loading process.
[0045] Then, the motor 1 is started, and the double-row roller chain 7 is driven by the motor 1 through the double output shaft reducer 2 to operate. The torque is transmitted directly or through the transmission shaft 11 to the driving sprockets 4 on both sides to achieve synchronous drive, and the other driven sprockets 5 and other auxiliary transmissions of power are used to transmit power.
[0046] The double-row roller chain 7 drives the chain hook 8. When the chain hook 8 moves to the pallet hook 19, the chain hook 8 will lock the pallet hook 19. At the same time, the double-row roller chain 7 moves, driving the pallet hook 19 horizontally together, thereby realizing the horizontal movement of the pallet module. When the pallet 18 is completely transported to the stack, the pallet hook 19 just begins to move vertically around the driven sprocket 5. Separating from the pallet hook 19, the storage operation is completed.
[0047] The process of picking up materials is the reverse of the above process. By controlling the forward and reverse rotation of motor 1, the storage or retrieval of the carrying tray 18 can be achieved.
[0048] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A novel chain-tow based vertical bin access material handling device characterized by, include: Pallet transfer module, tension wheel adjustment module, and load-bearing pallet module; The pallet transfer module includes a motor, a dual-output shaft reducer, and two symmetrically arranged side mounting plates. Each of the side mounting plates is rotatably equipped with a drive sprocket, multiple driven sprockets, and a tensioner; the drive sprocket, driven sprockets, and tensioner together support and mesh with a double-row roller chain; multiple chain hooks are fixedly mounted on the double-row roller chain; a chain guide is fixedly mounted on the side mounting plate, and the chain guide is located on the tight side of the double-row roller chain; a pallet guide is fixedly mounted on the side mounting plate, and the pallet guide is arranged along the horizontal movement path of the double-row roller chain; the input shaft of the dual-output shaft reducer is connected to the output shaft of the motor, and the two output shafts of the dual-output shaft reducer are respectively connected to the two drive sprockets through a transmission shaft; The tension wheel adjustment module is located on the opposite sides of the two side mounting plates and includes: a tension fixing block, a tension wheel shaft, a tension adjustment body, an adjustment bolt, and an adjustment nut; The tension fixing block is fixed to the side mounting plate; one end of the tension wheel shaft passes through the side mounting plate and is rotatably connected to the tension wheel; the tension adjusting body is fixedly connected to the other end of the tension wheel shaft and can slide relative to the tension fixing block; the adjusting nut is fixedly mounted on the tension adjusting body; one end of the adjusting bolt is rotatably mounted on the tension fixing block, and the other end passes through the tension adjusting body and is threadedly connected to the adjusting nut. The side mounting plate has a channel for the tension wheel shaft to move; The carrying pallet module includes a carrying pallet, multiple pallet hooks disposed on both sides of the carrying pallet, and multiple pallet guide strips disposed at the ends of the carrying pallet; the shape and position of the pallet hooks are configured to contact and cooperate with the chain hooks to transmit horizontal traction force; the shape and position of the pallet guide strips are configured to contact and cooperate with the pallet guide plate to limit the offset of the carrying pallet.
2. A novel vertical container access material handling device based on chain drag hook as claimed in claim 1, wherein: The pallet transfer module also includes a pallet transfer module crossbeam, a pallet transfer module cable tray, a motor and reducer placement plate, and a transmission shaft bearing mounting plate. The pallet transfer module crossbeams are symmetrically arranged between the two side mounting plates; the pallet transfer module wiring channel is fixedly arranged between the two pallet transfer module crossbeams; the motor and reducer placement plate is fixedly arranged between the two pallet transfer module crossbeams, and the motor and the dual output shaft reducer are fixedly arranged on the motor and reducer placement plate; the drive shaft bearing mounting plate is fixedly arranged on the pallet transfer module crossbeam near the drive shaft, and a bearing is installed on the drive shaft bearing mounting plate, and the drive shaft is rotatably supported in the bearing.
3. A novel vertical container access material handling device based on chain drag hook as claimed in claim 1, wherein: The chain drag hook includes a drag hook part, two fixing parts, and a cotter pin; one end of the two fixing parts is fixedly connected to the drag hook part, and the other end passes through the pin hole of the corresponding link of the double-row roller chain. The through end of the fixing part is provided with a radial through hole, and the cotter pin passes through the radial through hole.
4. A novel vertical container access material handling device based on chain drag hook as claimed in claim 1, wherein: The bottom of the support tray is provided with multiple reinforcing sheet metal parts.
5. A novel vertical container access material handling device based on chain drag hook as claimed in claim 1, wherein: The tensioning fixing block is fixedly connected to the side mounting plate by fixing bolts.