Telescopic layered climbing goods taking elevator

Abstract

The utility model relates to the field of goods taking tools, and discloses a telescopic layered climbing goods taking ladder which comprises a bottom frame, idler wheels are rotatably connected to the lower end of the bottom frame, a supporting frame is fixedly connected to the top end of the right side of the bottom frame, a supporting platform is fixedly connected to the top end of the supporting frame, and a guardrail is fixedly connected to the upper end of the supporting platform. The top end of the left side of the bottom frame is connected with an outer climbing frame through a butt joint assembly, the inner wall of the outer climbing frame is slidably connected with an inner climbing frame, the outer wall of the outer climbing frame is fixedly connected with an outer handrail vertical rod, the top end of the outer handrail vertical rod is fixedly connected with an outer handrail transverse rod, and the inner wall of the outer handrail transverse rod is slidably connected with an inner handrail transverse rod. Layer-by-layer lifting is achieved through the telescopic structures of the inner climbing frame and the outer climbing frame, self-locking of each layer is guaranteed through clamping of the outer sliding grooves and the limiting rods, and stability is guaranteed. The climbing frame is movably connected with the movable frame, so that the climbing frame can be separated into an independent climbing ladder in a narrow space, and the climbing frame has flexibility and practicability.

Description

Technical Field

[0001] This utility model relates to the field of goods retrieval tools, and in particular to a telescopic, multi-level, elevated goods retrieval ladder. Background Technology

[0002] With the increasing demands of modern warehousing, goods storage is gradually evolving towards three-dimensional and high-level systems. Multi-layer stacking on shelves effectively improves storage density and space utilization. However, when accessing goods on upper levels requires manual handling using forklifts, traditional methods are insufficient. This is where order ladders play a crucial role. Order ladders are widely used in various modern warehouses, logistics centers, and large distribution centers. Especially in scenarios with high efficiency requirements, such as e-commerce warehousing and cold chain logistics, order ladders have become an indispensable piece of warehousing equipment.

[0003] Most traditional retrieval ladders have a fixed height and are usually fixedly connected to mobile racks or support structures. While this design can meet the needs of storing and retrieving goods within a normal height range, it often fails to play its due role when dealing with storing and retrieving goods at higher levels or when working in narrow passages. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a telescopic, multi-level cargo ladder. It achieves layer-by-layer lifting and lowering through the telescopic structure of the inner and outer climbing frames. The engagement of the outer sliding groove and the limiting rod ensures self-locking at each level, guaranteeing stability. The movable connection between the climbing frame and the movable frame allows it to be separated into an independent ladder in confined spaces, combining flexibility and practicality.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a telescopic tiered ladder for retrieving goods, comprising a base frame, rollers rotatably connected to the lower end of the base frame, a support frame fixedly connected to the top right side of the base frame, a support platform fixedly connected to the top of the support frame, a guardrail fixedly connected to the upper end of the support platform, an outer climbing frame connected to the top left side of the base frame via a docking assembly, an inner climbing frame slidably connected to the inner wall of the outer climbing frame, an outer handrail upright fixedly connected to the outer wall of the outer climbing frame, an outer handrail crossbar fixedly connected to the top of the outer handrail upright, an inner handrail crossbar slidably connected to the inner wall of the outer handrail crossbar, an inner handrail upright fixedly connected to the lower side of the top of the inner handrail crossbar, a fixing block fixedly connected to the outer wall of the bottom end of the inner climbing frame, a spring plate fixedly connected inside the fixing block, a rotating block provided at the lower end of the spring plate, an outer sliding groove connected to the rotating block via a limiting assembly, and a first slot and a second slot formed on the outer wall of the rotating block.

[0006] Furthermore, the docking assembly includes a docking plate fixedly connected to the top left side of the base frame, a docking block fixedly connected to the right side of the docking plate, and the docking block slidably connected to the inner wall of the bottom end of the outer climbing frame.

[0007] Furthermore, the limiting component includes a connecting rod fixedly connected to the outer wall of the rotating block, a limiting rod fixedly connected to the lower end of the connecting rod, and the limiting rod slidably connected to the inner wall of the outer groove.

[0008] Furthermore, an outer step is fixedly connected to the inner side of the outer climbing frame, and an inner step is fixedly connected to the inner side of the inner climbing frame. The inner step is slidably connected to the inner side of the outer step, and an inner groove is provided on the inner side of the outer climbing frame. The inner step is slidably connected to the inner wall of the inner groove.

[0009] Furthermore, the outer sliding groove is formed on the outer side of the outer climbing frame.

[0010] Furthermore, the bottom end of the inner handrail upright is fixedly connected to the top end of the inner climbing frame.

[0011] Furthermore, the external climbing frame is located on the left side of the support platform.

[0012] Furthermore, the rotating block is rotatably connected to the outer wall at the lower end of the inner climbing frame.

[0013] This utility model has the following beneficial effects:

[0014] 1. This utility model employs a telescopic design between the inner and outer climbing frames, enabling flexible adjustment of the freight elevator height. It can be extended layer by layer according to actual needs. Furthermore, the locking design between the outer sliding track and the limiting rod ensures that when the freight elevator is raised by one floor, the limiting rod automatically engages with the outer sliding track, forming a stable support structure and effectively preventing accidental slippage. This self-locking design not only improves the stability of the equipment but also significantly enhances its safety performance.

[0015] 2. In this utility model, the climbing frame and the mobile frame are flexibly assembled through a movable connection. The climbing frame can be quickly disassembled from the mobile frame to form an independent operating unit. When the freight elevator needs to operate in narrow passages or complex environments, the climbing frame can be separated and used as an independent climbing ladder. This design not only improves the adaptability of the equipment but also significantly enhances the flexibility and safety of operations, fully meeting the construction needs in different scenarios. Attached Figure Description

[0016] Figure 1 This is a perspective view of a telescopic tiered cargo ladder proposed in this utility model when it is not extended.

[0017] Figure 2 This is a perspective view of a telescopic tiered cargo ladder as it extends, according to the present invention.

[0018] Figure 3 This is an enlarged view of the bottom of the climbing pole of a telescopic tiered cargo retrieval ladder proposed in this utility model;

[0019] Figure 4 This is a cross-sectional view of the unextended climbing pole of a telescopic tiered cargo retrieval ladder proposed in this utility model;

[0020] Figure 5 This is a cross-sectional view of the extension pole of a telescopic tiered ladder for retrieving goods proposed in this utility model.

[0021] Legend:

[0022] 1. Base frame; 2. Rollers; 3. Support frame; 4. Support platform; 5. Guardrail; 6. Connecting plate; 7. Connecting block; 8. Outer climbing frame; 9. Inner climbing frame; 10. Outer step; 11. Inner step; 12. Outer handrail upright; 13. Outer handrail crossbar; 14. Inner handrail crossbar; 15. Fixing block; 16. Spring plate; 17. Rotating block; 18. Connecting rod; 19. Limiting rod; 20. First slot; 21. Second slot; 22. Inner sliding groove; 23. Outer sliding groove; 24. Inner handrail upright. Detailed Implementation

[0023] 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.

[0024] Reference Figure 1 - Figure 3This utility model provides an embodiment of a telescopic tiered cargo ladder, comprising a base frame 1, with rollers 2 rotatably connected to the lower end of the base frame 1, a support frame 3 fixedly connected to the top right side of the base frame 1, a support platform 4 fixedly connected to the top of the support frame 3, a guardrail 5 fixedly connected to the upper end of the support platform 4, a docking plate 6 fixedly connected to the top left side of the base frame 1, a docking block 7 fixedly connected to the right side of the docking plate 6, an outer climbing frame 8 slidably connected to the outer wall of the docking block 7, the outer climbing frame 8 being located on the left side of the support platform 4, an inner climbing frame 9 slidably connected to the inner wall of the outer climbing frame 8, and outer steps 10 fixedly connected to the inner side of the outer climbing frame 8. The inner climbing frame 9 is fixedly connected to the inner step 11, which is slidably connected to the inner side of the outer step 10. The inner side of the outer climbing frame 8 is provided with an inner sliding groove 22, and the inner step 11 is slidably connected to the inner wall of the inner sliding groove 22. The outer side of the outer climbing frame 8 is provided with an outer sliding groove 23. The outer wall of the outer climbing frame 8 is fixedly connected with an outer handrail upright 12. The top of the outer handrail upright 12 is fixedly connected with an outer handrail crossbar 13. The inner wall of the outer handrail crossbar 13 is slidably connected with an inner handrail crossbar 14. The lower side of the top of the inner handrail crossbar 14 is fixedly connected with an inner handrail upright 24, and the bottom end of the inner handrail upright 24 is fixedly connected to the top of the inner climbing frame 9.

[0025] Specifically, the entire freight elevator can be moved via rollers 2. The support platform 4 allows the retrieval personnel to stand and retrieve goods. The design of the guardrail 5 enhances the safety of the freight elevator. The bottom of the outer climbing frame 8 and the connecting block 7 are inserted into the interior of the outer climbing frame 8, while the top of the outer climbing frame 8 overlaps with the support platform 4. Therefore, when needed, the outer climbing frame 8 can be separated from the connecting block 7, meaning the outer climbing frame 8 can be separated from the base frame 1 and the support platform 4 to become an independent ladder, which is convenient and flexible to use. The inner climbing frame 9 can extend from the interior of the outer climbing frame 8, and the inner steps 11 extend with the inner climbing frame 9, thereby lengthening the climbing frame. The inner handrail crossbar 14 can extend from the interior of the outer handrail crossbar 13, thereby lengthening the handrail crossbar. The inner climbing frame 9 is only fixedly connected to the inner handrail upright 24 at its top.

[0026] Reference Figure 1 , Figure 4 and Figure 5 A fixing block 15 is fixedly connected to the outer wall of the bottom end of the inner climbing frame 9. A spring plate 16 is fixedly connected inside the fixing block 15. A rotating block 17 is provided at the lower end of the spring plate 16. The rotating block 17 is rotatably connected to the outer wall of the lower end of the inner climbing frame 9. A connecting rod 18 is fixedly connected to the outer wall of the rotating block 17. A limit rod 19 is fixedly connected to the lower end of the connecting rod 18. The limit rod 19 is slidably connected to the inner wall of the outer sliding groove 23. A first slot 20 and a second slot 21 are provided on the outer wall of the rotating block 17.

[0027] Specifically, when the inner climbing frame 9 is not extended, the limiting rod 19 is locked at the bottom of the outer slide groove 23, and the bottom of the spring plate 16 pushes the first slot 20. When the inner climbing frame 9 extends upward, the limiting rod 19 moves upward accordingly. When the limiting rod 19 rises to the position corresponding to the first-level outer step 10, the outer slide groove 23 widens at this point. Under the action of the spring plate 16 pushing the first slot 20, the rotating block 17 rotates in the direction of the spring plate 16, and the limiting rod 19 rotates accordingly, so that the limiting rod 19 is locked at the wide part of the outer slide groove 23. Similarly, when the inner climbing frame 9 extends upward again, the limiting rod 19 is locked at the position corresponding to the next level of outer step 10. That is, each level of outer step 10 corresponds to a locking point of the outer slide groove 23 and the limiting rod 19. When you want to retract the inner climbing frame 9, you only need to move the limiting rod 19 to lock the spring plate 16 in the second slot 21.

[0028] Working principle: When using this device, push the support frame 3, and the shelf moves forward under the action of the rollers 2. When it reaches the picking point, the picker climbs the ladder and stands on the support platform 4 to pick up the goods. The bottom end of the outer climbing frame 8 and the connecting block 7 are of the socket type, and the connecting block 7 is inserted into the interior of the outer climbing frame 8. The top end of the outer climbing frame 8 and the support platform 4 are overlapped. Therefore, when necessary, the outer climbing frame 8 can be separated from the connecting block 7, that is, the outer climbing frame 8 can be separated from the base frame 1 and the support platform 4 to become an independent ladder. The inner climbing frame 9 can extend from the inside of the outer climbing frame 8. The inner step 11 extends along with the inner climbing frame 9, and the inner handrail crossbar 14 can extend from the inside of the outer handrail crossbar 13. The inner climbing frame 9 is only fixedly connected to the inner handrail upright 24 at its top. When the inner climbing frame 9 is not extended, the limiting rod 19 is locked at the bottom of the outer slide groove 23, and the bottom of the spring plate 16 pushes the first slot 20. When the inner climbing frame 9 extends upward, the limiting rod 19 moves upward accordingly. When the limiting rod 19 rises to the position corresponding to the first-level outer step 10, the outer slide groove 23 is at this position. As the inner climbing frame 9 widens, under the action of the spring plate 16 pushing the first slot 20, the rotating block 17 rotates in the pushing direction of the spring plate 16, and the limiting rod 19 rotates accordingly, so that the limiting rod 19 is engaged in the wide part of the outer slide groove 23. Similarly, as the inner climbing frame 9 extends upward, the limiting rod 19 is engaged in the position corresponding to the next level of outer step 10. That is, each level of outer step 10 corresponds to an engagement point of outer slide groove 23 and limiting rod 19. When you want to retract the inner climbing frame 9, you only need to move the limiting rod 19 to make the spring plate 16 engage in the second slot 21.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present 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 the present utility model should be included within the protection scope of the present utility model.

Claims

1. A telescopic tiered ladder for retrieving goods, comprising a base frame (1), characterized in that: The lower end of the base frame (1) is rotatably connected to a roller (2). The top right side of the base frame (1) is fixedly connected to a support frame (3). The top of the support frame (3) is fixedly connected to a support platform (4). The upper end of the support platform (4) is fixedly connected to a guardrail (5). The top left side of the base frame (1) is connected to an outer climbing frame (8) via a docking assembly. The inner wall of the outer climbing frame (8) is slidably connected to an inner climbing frame (9). The outer wall of the outer climbing frame (8) is fixedly connected to an outer handrail upright (12). The top of the outer handrail upright (12) is fixedly connected to an outer handrail crossbar (13). The inner wall of the outer handrail crossbar (13) is slidably connected to the inner handrail crossbar (14), and the lower side of the top of the inner handrail crossbar (14) is fixedly connected to the inner handrail upright (24). The outer wall of the bottom end of the inner climbing frame (9) is fixedly connected to the fixing block (15), and the inside of the fixing block (15) is fixedly connected to the spring plate (16). The lower end of the spring plate (16) is provided with a rotating block (17), and the rotating block (17) is connected to the outer sliding groove (23) through the limiting component. The outer wall of the rotating block (17) is provided with a first slot (20) and a second slot (21).

2. The telescopic tiered cargo ladder according to claim 1, characterized in that: The docking assembly includes a docking plate (6) fixedly connected to the top left side of the base frame (1), and a docking block (7) fixedly connected to the right side of the docking plate (6). The docking block (7) is slidably connected to the inner wall at the bottom of the outer climbing frame (8).

3. The telescopic tiered cargo ladder according to claim 1, characterized in that: The limiting component includes a connecting rod (18) fixedly connected to the outer wall of the rotating block (17), and a limiting rod (19) fixedly connected to the lower end of the connecting rod (18). The limiting rod (19) is slidably connected to the inner wall of the outer slide groove (23).

4. A telescopic tiered ladder for retrieving goods according to claim 1, characterized in that: The outer climbing frame (8) is fixedly connected to the inner side of the outer step (10), and the inner climbing frame (9) is fixedly connected to the inner step (11). The inner step (11) is slidably connected to the inner side of the outer step (10). The outer climbing frame (8) is provided with an inner sliding groove (22), and the inner step (11) is slidably connected to the inner wall of the inner sliding groove (22).

5. A telescopic tiered cargo ladder according to claim 1, characterized in that: The outer slide (23) is located on the outside of the outer climbing frame (8).

6. A telescopic tiered cargo ladder according to claim 1, characterized in that: The bottom end of the inner handrail upright (24) is fixedly connected to the top end of the inner climbing frame (9).

7. A telescopic tiered ladder for retrieving goods according to claim 1, characterized in that: The external climbing frame (8) is located on the left side of the support platform (4).

8. A telescopic tiered cargo ladder according to claim 1, characterized in that: The rotating block (17) is rotatably connected to the outer wall at the lower end of the inner climbing frame (9).

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