Floor track type rotatable stacker

By designing a ground-rail rotating stacker crane, and utilizing ground rail components and a gear transmission system, the problem of low space utilization caused by stacker crane positioning deviation is solved, thus achieving efficient space utilization in dense warehousing.

CN122144344APending Publication Date: 2026-06-05QINGDAO LEADING AUTOMATION EQUIP

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
QINGDAO LEADING AUTOMATION EQUIP
Filing Date
2026-04-08
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The existing stacker cranes have large positioning deviations, which means that sufficient space needs to be left between the racks, resulting in low space utilization and making them unsuitable for dense warehousing.

Method used

The ground rail type rotating stacker crane uses the design of ground rail components and moving seats to ensure the accuracy of the truck movement, reduce the distance between the truck and the container, and achieve precise positioning by using ground rail and gear transmission system.

Benefits of technology

It improves space utilization, is suitable for intensive warehousing, and achieves precise movement of cargo trucks through the cooperation of ground rail components and gear transmission system, thereby enhancing the space utilization efficiency of warehousing.

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Abstract

The application discloses a ground rail type rotatable stacking machine, and technical scheme points are as follows: a ground rail assembly is arranged on the ground and arranged along the placing direction of the container; a moving seat is arranged on the ground rail and can slide along the length direction of the ground rail; a cargo vehicle is arranged on the top of the moving seat and can rotate around a vertical axis on the top of the moving seat; and a cargo platform is arranged on the cargo vehicle. Through the arrangement of the ground rail, the accuracy of the movement of the cargo vehicle can be ensured, the distance between the cargo vehicle and the container can be reduced, the space utilization rate is improved, and the dense storage can be adapted.
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Description

Technical Field

[0001] This invention relates to the technical field of automated warehousing, and more specifically, to a ground-rail type rotating stacker crane. Background Technology

[0002] In automated warehousing, stacker cranes are usually required in warehouses to facilitate the storage and turnover of goods.

[0003] Most existing stacker cranes are designed to move between racks and retrieval trucks using wheels on their bottoms. However, when using such stacker cranes, due to the large positioning deviation of the stacker crane, sufficient space needs to be left between racks for the stacker crane to move. This results in low space utilization and makes them unsuitable for dense warehousing. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a ground rail type rotating stacker crane, which can ensure the accuracy of the movement of the cargo truck by setting the ground rail, thereby reducing the distance between the cargo truck and the container, improving space utilization, and thus adapting to dense storage.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a ground rail type rotatable stacker crane, including a ground rail assembly, wherein the ground rail assembly is disposed on the ground and its length direction is arranged along the placement direction of the container;

[0006] A movable seat, which is mounted on a ground rail and is capable of sliding along the length of the ground rail;

[0007] A cargo truck, which is mounted on a movable seat and is capable of rotating about a vertical axis on the movable seat.

[0008] And a loading platform, which is mounted on a cargo truck and can slide horizontally on the cargo truck to enter and exit the cargo truck.

[0009] The present invention is further configured such that: the ground rail assembly includes a base, the base being fixed to the ground;

[0010] And the track, which is set on the ground and its length is set along the length of the ground rail assembly. There are two tracks, which are set side by side on the top of the base.

[0011] The bottom of the movable seat is provided with several sliders, which are arranged in two groups. Each group includes at least two sliders, and the two groups of sliders correspond to two tracks respectively. The sliders slide along the length of the track on the corresponding track.

[0012] The present invention is further configured such that: the ground rail assembly further includes a first rack, the first rack being disposed on the top of the base and its length direction being arranged along the length direction of the base;

[0013] The movable base is rotatably connected to a first gear that meshes with a first rack, and a motor that is driven by the first gear is fixedly connected to the movable base.

[0014] The present invention is further configured such that: the cargo truck includes a rotating seat, the rotating seat being rotatably connected to the top of the movable seat;

[0015] The vertical beams are provided in two forms, and the two vertical beams are fixedly connected to the top two sides of the rotating base respectively;

[0016] And a connecting plate, which is fixedly connected to the top of the two vertical beams.

[0017] The present invention is further configured such that: a fixed gear is fixedly connected to the top of the movable seat, the axis of the fixed gear is vertical and the rotation axis of the rotating seat overlaps with the axis of the fixed gear;

[0018] The fixed gear extends upward through the rotating seat;

[0019] A second gear is rotatably connected to the rotating base, and the second gear meshes with a fixed gear. A motor that meshes with the second gear is fixedly connected to the rotating base.

[0020] The present invention is further configured such that: the two vertical beams are provided with a lifting mechanism capable of driving the loading platform to slide up and down;

[0021] The lifting mechanism includes a lead screw with a vertical axis and both ends of the lead screw rotatably connected to a vertical beam.

[0022] The lifting block is connected to a lead screw, which vertically passes through the lifting block and is threadedly engaged with it. The lifting block is connected to the loading platform.

[0023] The present invention is further configured to include guide rails, wherein two vertically arranged guide rails are provided on the side of the vertical beam near the loading platform;

[0024] The guide rail is equipped with a guide block that can slide vertically on the guide rail, and the guide block is connected to the loading platform.

[0025] The present invention is further configured such that: the loading platform includes a first platform, the first platform being connected to a guide block and a lifting block;

[0026] The second platform slides horizontally on the first platform to extend the cargo truck from between the two vertical beams;

[0027] And a third platform, which is capable of sliding horizontally on the second platform and the sliding direction of the third platform is parallel to the sliding direction of the second platform.

[0028] The present invention is further configured such that: a second rack is fixedly connected to the first platform and is arranged in the sliding direction of the second platform along the length direction; and a third gear is rotatably connected to the second platform and meshes with the second rack.

[0029] The present invention is further configured such that: two sprockets are rotatably connected to the second platform and arranged along the sliding direction of the third platform, and a chain is provided on the two sprockets in a closed loop around the two sprockets;

[0030] The chain is equipped with a connecting block that is fixedly connected to the third platform.

[0031] In summary, the present invention has the following advantages over the prior art: the present invention, through the setting of ground rails, can ensure the accuracy of the movement of the cargo truck, thereby reducing the distance between the cargo truck and the container, improving space utilization, and thus adapting to intensive warehousing. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the overall structure of the embodiment;

[0033] Figure 2 A bottom view of the movable seat in the embodiment;

[0034] Figure 3 This is a schematic diagram of the movable base for an embodiment;

[0035] Figure 4 This is a schematic diagram of a truck used in an embodiment.

[0036] Figure 5 for Figure 1 Enlarged schematic diagram of part A;

[0037] Figure 6 This is a schematic diagram of the loading platform in an embodiment.

[0038] In the diagram: 1. Ground rail assembly; 11. Base; 12. Rail; 13. First rack; 2. Cargo truck; 21. Rotary seat; 22. Vertical beam; 23. Connecting plate; 24. Lead screw; 25. Guide rail; 3. Cargo platform; 31. First platform; 32. Second platform; 33. Third platform; 4. Moving seat; 41. Slider; 43. Fixed gear. Detailed Implementation

[0039] To enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Based on the embodiments in this application, other similar embodiments obtained by those skilled in the art without creative effort should all fall within the scope of protection of this application. Furthermore, directional terms mentioned in the following embodiments, such as "up," "down," "left," and "right," are only for reference to the directions in the accompanying drawings; therefore, the directional terms used are for illustrative purposes and not for limiting the invention.

[0040] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.

[0041] Example: A ground-rail type rotating stacker crane, see attached document. Figure 1 -Appendix Figure 6 The container includes a ground rail assembly 1, a movable seat 4, a cargo truck 2, and a loading platform 3. The ground rail assembly 1 is set on the ground and its length is arranged along the placement direction of the container. The movable seat 4 is set on the ground rail and can slide on the ground rail along its length. The cargo truck 2 is set on top of the movable seat 4 and can rotate around a vertical axis on top of the movable seat 4. The loading platform 3 is set on the cargo truck 2 and can slide horizontally on the cargo truck 2 to enter and exit the cargo truck 2.

[0042] The ground rail setup ensures the accuracy of the truck 2's movement through the track 12, eliminating the need to increase the distance to improve the tolerance for positioning errors. This reduces the distance between the truck 2 and the container, improving space utilization and making it suitable for intensive warehousing.

[0043] Specifically, the ground rail assembly 1 includes a base 11 and a track 12. The base 11 is fixed to the ground. The track 12 is set on the ground and its length direction is along the length direction of the ground rail assembly 1. There are two tracks 12, which are arranged side by side on the top of the base 11. The bottom of the movable seat 4 is provided with a number of sliders 41. The number of sliders 41 is set in two groups. Each group includes at least two sliders 41. The two groups of sliders 41 correspond to two tracks 12 respectively. The sliders 41 slide on the corresponding tracks 12 along the length direction of the tracks 12.

[0044] Specifically, the ground rail assembly 1 also includes a first rack 13, which is disposed on the top of the base 11 and its length direction is along the length direction of the base 11; the movable base 4 is rotatably connected to a first gear that meshes with the first rack 13, and a motor that is driven by the first gear is fixedly connected to the movable base 11.

[0045] Specifically, the cargo truck 2 includes a rotating seat 21, vertical beams 22, and a connecting plate 23. The rotating seat 21 is rotatably connected to the top of the movable seat 4. There are two vertical beams 22, which are fixedly connected to the top of the rotating seat 21 on both sides. The connecting plate 23 is fixedly connected to the top of the two vertical beams 22.

[0046] Specifically, a fixed gear 43 is fixedly connected to the top of the movable seat 4. The axis of the fixed gear 43 is vertical and the rotation axis of the rotating seat 21 overlaps with the axis of the fixed gear 43. The fixed gear 43 passes through the rotating seat 21 upward. A second gear is rotatably connected to the rotating seat 21. The second gear meshes with the fixed gear 43. A motor that meshes with the second gear is fixedly connected to the rotating seat 21.

[0047] Specifically, the two vertical beams 22 are equipped with a lifting mechanism that can drive the loading platform 3 to slide up and down; the lifting mechanism includes a lead screw 24 and a lifting block, the axis of the lead screw 24 is vertical, and the two ends of the lead screw 24 are rotatably connected to the vertical beam 22; the lifting block is connected to the lead screw 24, the lead screw 24 vertically passes through the lifting block and is threadedly engaged with the lifting block, and the lifting block is connected to the loading platform 3.

[0048] Specifically, this embodiment also includes guide rails 25. Two vertically arranged guide rails 25 are provided on the side of the vertical beam 22 near the loading platform 3. Guide blocks that can slide vertically on the guide rails 25 are provided, and the guide blocks are connected to the loading platform 3.

[0049] Specifically, the loading platform 3 includes a first platform 31, a second platform 32, and a third platform 33. The first platform 31 is connected to a guide block and a lifting block. The second platform 32 slides horizontally on the first platform 31 to extend the loading vehicle 2 between the two vertical beams 22. The third platform 33 can slide horizontally on the second platform 32, and the sliding direction of the third platform 33 is parallel to the sliding direction of the second platform 32.

[0050] Specifically, a second rack is fixedly connected to the first platform 31 and is arranged in the sliding direction of the second platform 32 along the length direction. A third gear that meshes with the second rack is rotatably connected to the second platform 32.

[0051] Specifically, two sprockets are rotatably connected to the second platform 32, which are arranged along the sliding direction of the third platform 33. A chain is provided on the two sprockets in a closed loop around the two sprockets. A connecting block is provided on the chain and is fixedly connected to the third platform 33.

[0052] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A ground-rail type rotating stacker crane, characterized in that: Includes a ground rail assembly (1), which is set on the ground and its length is set along the placement direction of the container; The movable seat (4) is set on the ground rail and can slide on the ground rail along the length of the ground rail; Cargo truck (2), which is mounted on top of the movable seat (4) and is capable of rotating about a vertical axis on top of the movable seat (4); And a loading platform (3), which is mounted on a cargo truck (2) and can slide horizontally on the cargo truck (2) to enter and exit the cargo truck (2).

2. The ground-rail type rotatable stacker crane according to claim 1, characterized in that: The ground rail assembly (1) includes a base (11) which is fixed to the ground; And a track (12), which is set on the ground and its length direction is set along the length direction of the ground rail assembly (1). There are two tracks (12), which are set side by side on the top of the base (11). The bottom of the movable seat (4) is provided with a number of sliders (41), which are arranged in two groups. Each group includes at least two sliders (41). The two groups of sliders (41) correspond to two tracks (12) respectively. The sliders (41) slide along the length of the track (12) on the corresponding track (12).

3. The ground-rail type rotatable stacker crane according to claim 2, characterized in that: The ground rail assembly (1) further includes a first rack (13), which is disposed on the top of the base (11) and its length direction is along the length direction of the base (11); The movable base (4) is rotatably connected to a first gear that meshes with the first rack (13), and a motor that is driven by the first gear is fixedly connected to the movable base (11).

4. A ground-rail type rotatable stacker crane according to claim 3, characterized in that: The cargo truck (2) includes a rotating seat (21) which is rotatably connected to the top of the movable seat (4); Vertical beams (22), two vertical beams (22) are provided, and the two vertical beams (22) are respectively fixedly connected to the top two sides of the rotating seat (21); And a connecting plate (23), which is fixedly connected to the top of the two vertical beams (22).

5. A ground-rail type rotatable stacker crane according to claim 4, characterized in that: The top of the movable seat (4) is fixedly connected to a fixed gear (43), the axis of the fixed gear (43) is vertical and the rotation axis of the rotating seat (21) overlaps with the axis of the fixed gear (43); The fixed gear (43) passes upward through the rotating seat (21); A second gear is rotatably connected to the rotating base (21), and the second gear meshes with the fixed gear (43). A motor that meshes with the second gear is fixedly connected to the rotating base (21).

6. A ground-rail type rotatable stacker crane according to claim 5, characterized in that: The two vertical beams (22) are equipped with lifting mechanisms that can drive the loading platform (3) to slide up and down; The lifting mechanism includes a lead screw (24), the axis of which is vertical, and the two ends of the lead screw (24) are rotatably connected to the vertical beam (22); The lifting block is connected to the lead screw (24), which vertically passes through the lifting block and is threadedly engaged with it. The lifting block is connected to the loading platform (3).

7. A ground-rail type rotatable stacker crane according to claim 6, characterized in that: It also includes guide rails (25), and the vertical beam (22) is provided with two vertically arranged guide rails (25) on the side near the loading platform (3); A guide block is provided on the guide rail (25) and is able to slide vertically on the guide rail (25). The guide block is connected to the loading platform (3).

8. A ground-rail type rotatable stacker crane according to claim 7, characterized in that: The loading platform (3) includes a first platform (31), which is connected to a guide block and a lifting block; The second platform (32) slides horizontally on the first platform (31) to extend the cargo truck (2) between the two vertical beams (22); And a third platform (33), which is capable of sliding horizontally on the second platform (32) and the sliding direction of the third platform (33) is parallel to the sliding direction of the second platform (32).

9. A ground-rail type rotatable stacker crane according to claim 8, characterized in that: A second rack is fixedly connected to the first platform (31) and its length direction is arranged along the sliding direction of the second platform (32). A third gear that meshes with the second rack is rotatably connected to the second platform (32).

10. A ground-rail type rotatable stacker crane according to claim 9, characterized in that: The second platform (32) is rotatably connected to two sprockets arranged along the sliding direction of the third platform (33), and the two sprockets are provided with chains arranged in a closed loop around the two sprockets; The chain is provided with a connecting block that is fixedly connected to the third platform (33).