A quick-freezing library hanger device

By introducing a drive motor and toothed sprocket transmission system into the cold storage rack device, the problem of manual operation required for existing cold storage racks has been solved, realizing automated movement of the racks and efficient and safe storage operations.

CN224551906UActive Publication Date: 2026-07-24ZHENMO ANIMAL HUSBANDRY (GANSU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHENMO ANIMAL HUSBANDRY (GANSU) CO LTD
Filing Date
2025-09-03
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

The existing cold storage cranes require manual operation, which is labor-intensive, inefficient, and unsafe.

Method used

A quick-freezing storage hanger device was designed, which uses a combination of a drive motor, an active toothed sprocket, a transmission chain, and a multi-layered swing frame to realize the movement of the hanger on the slide rail between the inner and outer plates. The friction is reduced by connecting with ball bearings, thereby enhancing structural stability and transmission efficiency.

Benefits of technology

It reduces the difficulty and intensity of manual operation, improves work efficiency and safety, and enables the flexible movement of the hangers in three-dimensional space, making it suitable for cold storage needs that require frequent adjustments to storage layout and high space utilization.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick -frozen library gallows device relates to the technical field of gallows, a quick -frozen library gallows device, including roof, inner surrounding board, peripheral frame, connecting rod and pulley, the position fixed mounting of inner surrounding board's top center place near right side has drive motor, the output fixed connection of drive motor has driving shaft, the outer surface of second driven gear chain wheel is provided with second transmission chain, the outer surface fixed connection of first connecting shaft's position near center place has second swing frame, one end of second swing frame away from first connecting shaft is connected with third connecting shaft through ball bearing, the one end of third swing frame away from third driven gear chain wheel is provided with third connecting shaft, the outer surface of third connecting shaft's position near top is provided with fourth swing frame, one end of fourth swing frame away from third connecting shaft is connected with fixed shaft through ball bearing.
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Description

Technical Field

[0001] This utility model relates to the field of hanging rack technology, specifically a quick-freezing warehouse hanging rack device. Background Technology

[0002] A freezer rack is a storage device used inside a freezer, primarily for suspending and storing food or other items that require rapid freezing. These racks are typically made of low-temperature resistant materials and are designed with good ventilation and heat conduction properties to ensure that stored items can reach the required low temperature state in a short time.

[0003] Chinese utility model patent CN219751717U discloses a cold storage hanging rack device, belonging to the technical field of quick-freezing equipment. It includes a traveling frame and a hanging rack movably connected to the bottom of the traveling frame. A trolley assembly and a traveling drive assembly are provided above the traveling frame and transmitted through the trolley assembly. The trolley assembly includes a trolley body, a liftable push plate, and a lifting drive component that drives the push plate to achieve lifting and lowering movements. When the push plate descends, its lowest point is lower than the top of the hanging rack; when it rises, its lowest point is higher than the top of the hanging rack. This utility model enables automated loading and unloading of the hanging rack into and out of the cold storage, eliminating the need for personnel to enter the cold storage. It also has the advantages of simple and reliable structure and low failure rate.

[0004] However, existing cold storage cranes require manual pulling to the designated position, which is labor-intensive, inefficient, and unsafe. Therefore, a new type of cold storage crane device is needed. Utility Model Content

[0005] This utility model provides a quick-freezing storage rack device to solve the problems in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a quick-freezing storage hanger device, comprising a top plate, an inner enclosure plate, an outer frame, connecting rods, and pulleys. Multiple outer support columns are evenly distributed on the top of the outer frame. Inner support columns are fixedly installed at the top center of the inner enclosure plate near both the left and right sides. A drive motor is fixedly installed at the top center of the inner enclosure plate near the right side. A drive shaft is fixedly connected to the output end of the drive motor. A drive toothed sprocket is fixedly installed on the outer surface of the drive shaft near the bottom. A first transmission chain is provided on the outer surface of the drive toothed sprocket. A first connecting shaft is provided at the bottom center of the inner enclosure plate. A first driven toothed sprocket is fixedly connected to the upper surface of the first connecting shaft near the center. A second driven toothed sprocket is fixedly connected to the outer surface of the first connecting shaft near the bottom. A second transmission chain is provided on the outer surface of the second driven toothed sprocket. A second swing frame is fixedly connected to the outer surface of the first connecting shaft near the center. A third connecting shaft is connected to the end of the second swing frame away from the first connecting shaft via a ball bearing. A third driven toothed sprocket is fixedly connected to the outer surface of the third connecting shaft. A third swing frame is fixedly connected to the bottom of the third driven toothed sprocket. A third connecting shaft is provided at the end of the third swing frame away from the third driven toothed sprocket. A fourth swing frame is provided on the outer surface of the third connecting shaft near the top. A fixed shaft is connected to the end of the fourth swing frame away from the third connecting shaft via a ball bearing.

[0007] Furthermore, there are multiple pulleys and connecting rods, each pulley has a hanger at its bottom, and the tops of the multiple pulleys are connected by multiple connecting rods. The connection points of the multiple pulleys and the multiple connecting rods are respectively connected by multiple pins.

[0008] Furthermore, a symmetrical slide rail is provided between the inner wall of the outer frame and the outer wall of the inner frame, and multiple pulleys are evenly distributed inside the symmetrical slide rail. Multiple hangers are located at the bottom of the inner frame and the outer frame, and the outer frame is located outside the inner frame.

[0009] Furthermore, the top of the drive shaft passes through the bottom of the inner shroud and extends out of the top of the inner shroud, and is connected to the drive motor. The connection between the drive shaft and the inner shroud is made by multiple ball bearings.

[0010] Furthermore, a stabilizing frame is fixedly installed at the bottom of the inner circumference plate near the center. The top of the first connecting shaft passes through the bottom of the stabilizing frame and is fixedly connected to the bottom of the inner circumference plate. The connection between the first connecting shaft, the stabilizing frame, and the inner circumference plate is made by ball bearings.

[0011] Furthermore, the outer surfaces of the driving toothed sprocket and the first driven toothed sprocket are connected by a first transmission chain, and the outer surfaces of the second driven toothed sprocket and the third driven toothed sprocket are connected by a second transmission chain.

[0012] Furthermore, the end of the fixed shaft away from the fourth swing frame is fixedly connected to the bottom of one of the pulleys.

[0013] Furthermore, the tops of the multiple outer support columns and the multiple inner support columns are fixedly connected to the bottom of the top plate, and the drive motor is equipped with a controller.

[0014] Compared with the prior art, this utility model provides a quick-freezing storage rack device, which has the following beneficial effects:

[0015] 1. This quick-freezing storage lifting device, through the configuration of a drive motor, connecting rod, active toothed sprocket, first transmission chain, first driven toothed sprocket, second transmission chain, second swing frame, second driven toothed sprocket, third driven toothed sprocket, third swing frame, fourth connecting shaft, fourth swing frame, fixed shaft, third connecting shaft, first connecting shaft, stabilizing frame, and drive shaft, enables the lifting frame to move along the slide rail between the inner and outer frames. The outer frame and inner frame are fixed by multiple support columns, ensuring the stability of the overall structure; reducing the difficulty and intensity of manual operation; the connection between various components through ball bearings and other methods reduces friction and wear, extending service life; at the same time, it provides strong support for lifting goods in the quick-freezing storage, improving work efficiency and safety, and can automatically move to different positions in the cold storage as needed; this configuration is suitable for cold storage that requires frequent adjustments to the storage layout or has high space utilization.

[0016] 2. This quick-freezing storage lifting device enhances the stability of the first connecting shaft by setting a stabilizing frame, preventing the impact of vibration generated by transmission on the system; the combination of toothed sprockets and transmission chains achieves efficient power transmission, reduces energy loss, and improves the overall efficiency of the system; through multi-level swing and transmission settings, the lifting device can move flexibly in three-dimensional space, meeting the lifting needs of different goods. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 The positional relationship between the outer frame and the inner panel of this utility model;

[0019] Figure 3 This is a structural diagram of the bottom of the inner cladding panel of this utility model.

[0020] In the diagram: 1. Top plate; 2. Outer support column; 3. Pulley; 4. Outer frame; 5. Hanger; 6. Inner support column; 7. Drive motor; 8. Inner enclosure plate; 9. Connecting rod; 10. Drive toothed sprocket; 11. First transmission chain; 12. First driven toothed sprocket; 13. Second transmission chain; 14. Second swing frame; 15. Second driven toothed sprocket; 16. Third driven toothed sprocket; 17. Third swing frame; 18. Fourth connecting shaft; 19. Fourth swing frame; 20. Fixed shaft; 21. Third connecting shaft; 22. First connecting shaft; 23. Stabilizer; 24. Drive shaft. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-3 This utility model discloses a quick-freezing storage hanging device, including a top plate 1, an inner enclosure plate 8, an outer frame 4, a connecting rod 9, and pulleys 3. Multiple outer support columns 2 are evenly distributed on the top of the outer frame 4. Inner support columns 6 are fixedly installed at the top center of the inner enclosure plate 8 near both the left and right sides. A drive motor 7 is fixedly installed at the top center of the inner enclosure plate 8 near the right side. A drive shaft 24 is fixedly connected to the output end of the drive motor 7. A drive toothed sprocket 10 is fixedly installed on the outer surface of the drive shaft 24 near the bottom. A first transmission chain is provided on the outer surface of the drive toothed sprocket 10. A first connecting shaft 22 is provided at the bottom center of the inner enclosure plate 8. A first driven toothed sprocket 12 is fixedly connected to the upper surface of the first connecting shaft 22 near the center. A second driven toothed sprocket 15 is fixedly connected near the bottom. A second transmission chain 13 is provided on the outer surface of the second driven toothed sprocket 15. A second swing frame 14 is fixedly connected near the center of the outer surface of the first connecting shaft 22. A third connecting shaft 21 is connected to the end of the second swing frame 14 away from the first connecting shaft 22 via a ball bearing. A third driven toothed sprocket 16 is fixedly connected to the outer surface of the third connecting shaft 21. A third swing frame 17 is fixedly connected to the bottom of the third driven toothed sprocket 16. A third connecting shaft 21 is provided at the end of the third swing frame 17 away from the third driven toothed sprocket 16. A fourth swing frame 19 is provided near the top of the outer surface of the third connecting shaft 21. A fixed shaft 20 is connected to the end of the fourth swing frame 19 away from the third connecting shaft 21 via a ball bearing.

[0023] Specifically, there are multiple pulleys 3 and multiple connecting rods 9. Each pulley 3 has a hanger 5 at its bottom. The tops of the multiple pulleys 3 are connected by multiple connecting rods 9. The connection points of the multiple pulleys 3 and the multiple connecting rods 9 are respectively connected by multiple pins.

[0024] Specifically, a symmetrical slide rail is provided between the inner wall of the outer frame 4 and the outer wall of the inner panel 8, and multiple pulleys 3 are evenly distributed inside the symmetrical slide rail. Multiple hangers 5 are located at the bottom of the inner panel 8 and the outer frame 4; the outer frame 4 is located outside the inner panel 8.

[0025] Specifically, the top of the drive shaft 24 passes through the bottom of the inner shroud 8 and extends out of the top of the inner shroud 8 and is connected to the drive motor 7. The connection between the drive shaft 24 and the inner shroud 8 is made by multiple ball bearings.

[0026] Specifically, a stabilizing frame 23 is fixedly installed at the bottom of the inner circumference plate 8 near the center. The top of the first connecting shaft 22 passes through the bottom of the stabilizing frame 23 and is fixedly connected to the bottom of the inner circumference plate 8. The connection between the first connecting shaft 22, the stabilizing frame 23, and the inner circumference plate 8 is made by ball bearings.

[0027] In this embodiment, the stability of the first connecting shaft 22 is enhanced.

[0028] Specifically, the outer surfaces of the driving toothed sprocket 10 and the first driven toothed sprocket 12 are connected by the first transmission chain 11, and the outer surfaces of the second driven toothed sprocket 15 and the third driven toothed sprocket 16 are connected by the second transmission chain 13.

[0029] Specifically, the end of the fixed shaft 20 away from the fourth swing frame 19 is fixedly connected to the bottom of one of the pulleys 3 among the plurality of pulleys 3.

[0030] Specifically, the tops of multiple outer support columns 2 and multiple inner support columns 6 are fixedly connected to the bottom of the top plate 1, and the drive motor 7 is equipped with a controller.

[0031] In use, the drive motor 7 is started, which drives the drive shaft 24 to rotate, thereby driving the drive toothed sprocket 10. The drive toothed sprocket 10 drives the first transmission chain 11, thereby driving the first driven toothed sprocket 12 to rotate. The rotation of the driven toothed sprocket drives the first connecting shaft 22 to rotate. The rotation of the first connecting shaft 22 drives the second swing frame 14 to swing around the first connecting shaft 22. The swing of the second swing frame 14 drives the third connecting shaft 21 to swing. At the same time, it drives the second driven toothed sprocket 15 to rotate. The second driven toothed sprocket 15 drives the second transmission chain 13, which in turn drives the third driven toothed sprocket 16. The third driven toothed sprocket 16 drives the third connecting shaft 21 to rotate, which in turn drives the third swing frame 17 to swing, which in turn drives the fourth connecting shaft 18 to swing. The swing of the fourth connecting shaft 18 drives the fixed shaft 20 to move, which in turn drives the pulley 3 connected to the fixed shaft 20 to move along the slide rail between the inner panel 8 and the outer frame 4, which in turn drives the hanger 5 to move along the slide rail between the inner panel 8 and the outer frame 4.

[0032] In summary, this quick-freezing storage rack device, through the configuration of a drive motor 7, connecting rod 9, active toothed sprocket 10, first transmission chain 11, first driven toothed sprocket 12, second transmission chain 13, second swing frame 14, second driven toothed sprocket 15, third driven toothed sprocket 16, third swing frame 17, fourth connecting shaft 18, fourth swing frame 19, fixed shaft 20, third connecting shaft 21, first connecting shaft 22, stabilizing frame 23, and drive shaft 24, can drive the rack 5 to move along the slide rail between the inner enclosure 8 and the outer frame 4. The outer frame 4 and the inner enclosure 8 are fixed by multiple support columns, ensuring the stability of the overall structure; reducing the difficulty and intensity of manual operation; and connecting the various components through ball bearings, etc. This method reduces friction and wear, extending service life; simultaneously, it provides strong support for hoisting goods within the freezer, improving work efficiency and safety; it can automatically move to different positions within the freezer as needed; this setup is suitable for freezers requiring frequent adjustments to storage layout or with high space utilization; by setting up the stabilizing frame 23, the stability of the first connecting shaft 22 is enhanced, preventing the impact of vibrations generated by transmission on the system; the combination of toothed sprockets and transmission chains achieves efficient power transmission, reduces energy loss, and improves the overall efficiency of the system; through multi-level swing and transmission settings, the hoist 5 can move flexibly in three-dimensional space, meeting the hoisting needs of different goods.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-freezing storage rack device, comprising a top plate (1), an inner enclosure plate (8), an outer frame (4), a connecting rod (9), and pulleys (3), characterized in that: The top of the outer frame (4) is evenly distributed with multiple outer support columns (2). The top center of the inner frame (8) is fixedly installed with inner support columns (6) near the left and right sides. The top center of the inner frame (8) is fixedly installed with a drive motor (7) near the right side. The output end of the drive motor (7) is fixedly connected to a drive shaft (24). The outer surface of the drive shaft (24) is fixedly installed with a drive toothed sprocket (10) near the bottom. The outer surface of the drive toothed sprocket (10) is provided with a first transmission chain. The bottom center of the inner frame (8) is provided with a first connecting shaft (22). The upper surface of the first connecting shaft (22) is fixedly connected with a first driven toothed sprocket (12) near the center. The outer surface of the first connecting shaft (22) is fixedly connected with a second driven toothed sprocket (15) near the bottom. The outer surface of the second driven toothed sprocket (15) is provided with a second transmission chain (13). The outer surface of the first connecting shaft (22) is fixedly connected to a second swing frame (14) near the center. The end of the second swing frame (14) away from the first connecting shaft (22) is connected to a third connecting shaft (21) through a ball bearing. The outer surface of the third connecting shaft (21) is fixedly connected to a third driven toothed sprocket (16). The bottom of the third driven toothed sprocket (16) is fixedly connected to a third swing frame (17). The end of the third swing frame (17) away from the third driven toothed sprocket (16) is provided with a third connecting shaft (21). The outer surface of the third connecting shaft (21) is provided to a fourth swing frame (19) near the top. The end of the fourth swing frame (19) away from the third connecting shaft (21) is connected to a fixed shaft (20) through a ball bearing.

2. The quick-freezing storage rack device according to claim 1, characterized in that: There are multiple pulleys (3) and multiple connecting rods (9). Each pulley (3) has a hanger (5) at its bottom. The tops of the multiple pulleys (3) are connected by multiple connecting rods (9). The connection points of the multiple pulleys (3) and the multiple connecting rods (9) are respectively connected by multiple pins.

3. A quick-freezing storage rack device according to claim 1 or 2, characterized in that: A symmetrical slide rail is provided between the inner wall of the outer frame (4) and the outer wall of the inner panel (8). Multiple pulleys (3) are evenly distributed inside the symmetrical slide rail. Multiple hangers (5) are located at the bottom of the inner panel (8) and the outer frame (4). The outer frame (4) is located outside the inner panel (8).

4. The quick-freezing storage rack device according to claim 1, characterized in that: The top of the drive shaft (24) passes through the bottom of the inner circumference plate (8) and extends out of the top of the inner circumference plate (8) and is connected to the drive motor (7). The connection between the drive shaft (24) and the inner circumference plate (8) is made by multiple ball bearings.

5. The quick-freezing storage rack device according to claim 1, characterized in that: A stabilizing frame (23) is fixedly installed at the bottom of the inner enclosure plate (8) near the center. The top of the first connecting shaft (22) passes through the bottom of the stabilizing frame (23) and is fixedly connected to the bottom of the inner enclosure plate (8). The connection between the first connecting shaft (22), the stabilizing frame (23), and the inner enclosure plate (8) is connected by a ball bearing.

6. The quick-freezing storage rack device according to claim 1, characterized in that: The outer surfaces of the driving toothed sprocket (10) and the first driven toothed sprocket (12) are connected by the first transmission chain (11), and the outer surfaces of the second driven toothed sprocket (15) and the third driven toothed sprocket (16) are connected by the second transmission chain (13).

7. The quick-freezing storage rack device according to claim 1, characterized in that: The end of the fixed shaft (20) away from the fourth swing frame (19) is fixedly connected to the bottom of one of the pulleys (3) among the plurality of pulleys (3).

8. The quick-freezing storage rack device according to claim 1, characterized in that: The tops of the multiple outer support columns (2) and the multiple inner support columns (6) are fixedly connected to the bottom of the top plate (1), and the drive motor (7) is equipped with a controller.