A change level elevator

Abstract

The utility model belongs to the logistics storage transportation technical field, concretely relates to a layer changing elevator, device includes the climbing frame and goods shelf, the lifting structure of sliding connection on the climbing frame, the moving structure of sliding connection on the lifting structure for bearing the shuttle vehicle, set up on the goods shelf for the lifting structure of the docking of moving structure, moving structure includes the platform, and the lifting structure includes the docking block. The utility model discloses through the structural setting of moving structure and lifting structure, has simplified the docking difficulty of sliding frame and goods shelf, and the platform surface on the sliding frame is continuous and smooth, guarantees the stable slip of shuttle vehicle in the process of shifting, and the phenomenon of jam will not appear, and moreover, the platform can always keep the same inclination posture, and the operation is convenient, has the advantages of strong practicality, good economy.

Description

Technical Field

[0001] This utility model belongs to the field of logistics warehousing and transportation technology, and specifically relates to a layer-changing lifting machine. Background Technology

[0002] Layer-changing elevators, through the lifting and precise positioning of the loading platform, can elevate material shuttles to designated shelves in multi-level automated warehouses, enabling rapid and efficient layer-changing operations. This has led to their widespread application in logistics and warehousing operations. A typical layer-changing elevator includes a lifting platform with a moving track at its top. A compatible shuttle is mounted on top of this track, facilitating its movement. Goods are placed on top of the shuttle, and the layer-changing elevator moves it to one side of the shelf, aligning the track on the elevator with the track on the shelf. This allows the shuttle to move the goods to the designated location on the shelf. However, current technologies typically use rigid connections, resulting in poor stability between the tracks. This causes the shuttle to wobble when moving at its top, reducing the stability of the goods during transport.

[0003] To this end, the document with authorization announcement number CN222409617U discloses a layer-changing elevator with a docking structure for logistics warehousing. The elevator moves a limiting seat via a support rail. When the limiting seat moves, it can move a limiting rod that is slidably installed inside it. When the limiting rod moves, it can move a support plate that is fixedly connected to its top, thereby stabilizing the elevator on the lower side of the limiting groove. The support plate can also support the hub of the shuttle car. Thus, the cooperation between the limiting groove and the support plate can limit and support the hub of the shuttle car, thereby improving its stability.

[0004] However, the device also has the following drawbacks: when the support plate is raised along the limiting groove, the hub at the front of the shuttle is raised, while the hub at the rear remains in its original position. This causes the hub at the rear to be unable to move forward over the raised support plate, and the hub at the rear needs to wait for the support plate to reset. This requires high precision in the raising and resetting of the support plate, which is difficult to achieve. Utility Model Content

[0005] To address the aforementioned problems, the purpose of this utility model is to provide a layer-changing lifting machine. Through the structural design of the moving structure and the lifting structure, the difficulty of docking the sliding frame with the shelf is simplified. At the same time, the platform surface on the sliding frame is continuously flat, ensuring that the shuttle car slides stably during the transfer process without jamming. Moreover, the platform can always maintain the same tilt posture, making it easy to operate and possessing the advantages of strong practicality and good economy.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows: A floor-changing lifting machine includes a climbing frame and a shelf, a lifting structure slidably connected to the climbing frame, a moving structure slidably connected to the lifting structure to carry a shuttle, and a lifting structure disposed on the shelf for docking with the moving structure. The movable structure includes a fixed frame, a drive motor mounted on the fixed frame, a sliding frame slidably connected to the fixed frame and connected to the drive motor, and a platform rotatably connected to the sliding frame. The platform has a hinge at the end away from the shelf and a docking cavity at the end near the shelf. The lifting structure includes a docking block inserted into the docking cavity; The docking block has an inclined surface on its side near the platform, and the distance between the bottom of the inclined surface and the shelf is greater than the distance between the top of the inclined surface and the shelf. The minimum height of the docking block is less than or equal to the minimum height of the docking cavity and the maximum height of the docking block. And at least when the docking block is inserted to the maximum depth of the docking cavity, the height of the upper surface of the platform is greater than or equal to the height of the upper surface of the shelf.

[0007] As a further preferred embodiment of the present invention, the lifting structure further includes a baffle that abuts against the outer side of the sliding frame, and a compression member disposed between the baffle and the shelf.

[0008] As a further preferred embodiment of the present invention, the compression component includes a fixed column connected to the shelf, a cylinder connected to the baffle and slidably connected to the fixed column, and a support spring sleeved on the outside of the fixed column, with one end connected to the fixed column and the other end connected to the cylinder.

[0009] As a further preferred embodiment of the present invention, the compression member further includes a limiting protrusion disposed on the side end of the fixed column, and a limiting groove disposed on the inner wall of the cylinder and adapted to the limiting protrusion.

[0010] As a further preferred embodiment of the present invention, the movable structure further includes a support block disposed on the upper surface of the sliding frame away from the hinge portion, and the support block abuts against the lower surface of the platform when the lower surface of the platform is parallel to the upper surface of the sliding frame.

[0011] As a further preferred embodiment of the present invention, the sliding frame has at least a mounting plate for mounting the platform and a positioning plate disposed on the side of the mounting plate near the docking block; the positioning plate is provided with positioning holes for the fixing column to pass through.

[0012] As a further preferred embodiment of this utility model, a pulley is provided on the surface of the mounting plate near the fixing frame; a track matching the pulley is provided on the surface of the fixing frame.

[0013] As a further preferred embodiment of the present invention, the sliding frame further includes a connecting plate that supports the mounting plate; a second pulley is provided on the surface of the connecting plate near the fixed frame, and a second track matching the second pulley is provided on the surface of the fixed frame.

[0014] As a further preferred embodiment of the present invention, the baffle is used to abut against the side of the mounting plate and / or positioning plate near the mating block.

[0015] As a further preferred embodiment of this utility model, the upper surface of the platform is provided with a track three that matches the wheels of the shuttle. Attached Figure Description

[0016] Appendix Figure 1 This is a structural schematic diagram of the present invention from the main viewing angle.

[0017] Appendix Figure 2 Appendix to this utility model Figure 1 A partial structural diagram.

[0018] Appendix Figure 3 This is a schematic diagram of the structure of this utility model from a top view.

[0019] Appendix Figure 4 Appendix to this utility model Figure 3 A schematic diagram of a partial cross-sectional structure.

[0020] Appendix Figure 5 This is a cross-sectional view of the movable structure of this utility model from a side view angle.

[0021] Appendix Figure 6 This is a schematic diagram of the lifting structure of this utility model from a side view angle.

[0022] Attached diagram descriptions: 11. Climbing frame; 12. Shelf; 2. Lifting structure; 3. Moving structure; 4. Lifting structure; Fixed frame 301, drive motor 302, sliding frame 303, platform 304, support block 305; Track 1 301a, Track 2 301b; Mounting plate 303a, positioning plate 303b, positioning hole 303c, pulley one 303d, connecting plate 303e, pulley two 303f; Track 3 304a; Connecting block 401, baffle 402, compression component 403; Fixed column 403a, cylinder 403b, support spring 403c, limiting protrusion 403d, limiting slide 403e. Detailed Implementation

[0023] In the description of this utility model, it should be understood that the terms "upper", "lower", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use, or the orientation or positional relationship that is commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance. In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, terms such as "set" and "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] This embodiment provides a floor-changing elevator, as shown in the attached figure. Figure 1 ~Appendix Figure 6 As shown, the device includes a climbing frame 11 and a shelf 12, a lifting structure 2 slidably connected to the climbing frame 11, a moving structure 3 slidably connected to the lifting structure 2 to carry the shuttle, and a lifting structure 4 disposed on the shelf 12 for docking with the moving structure 3.

[0026] The climbing frame, shelf, and shuttle are well-known technologies to those skilled in the art and will not be described in detail here. The lifting structure 2 includes a lifting frame and a lifting device. The inner side of the lifting frame and the outer surface of the climbing frame 11 are rolled together by a pulley system. A steel cable is fixed to the top of the lifting frame and connected to the lifting device. A counterweight can be installed at the end of the steel cable, and the counterweight is slidably disposed within the interior of the climbing frame. When the lifting device moves the lifting frame, the other end of the steel cable moves the counterweight in the opposite direction, which can easily move the lifting frame and improve the stability of the lifting frame during movement.

[0027] The movable structure 3 includes a fixed frame 301, a drive motor 302 mounted on the fixed frame 301, a sliding frame 303 slidably connected to the fixed frame 301 and connected to the drive motor 302, and a platform 304 rotatably connected to the sliding frame 303. The platform 304 has a hinge at one end away from the shelf 12 and a docking cavity at one end near the shelf 12.

[0028] More specifically, the fixed frame 301 mainly consists of a base plate fixedly connected to the lifting frame of the lifting structure 2, and two fixed frame bodies fixedly installed at both ends of the base plate. The two fixed frame bodies are reinforcedly connected by a first connecting strip. The drive motor 302 is installed on the first connecting strip near the lifting structure 2. Matching the fixed frame 301, the sliding frame 303 mainly consists of two sliding frame bodies slidably connected to the fixed frame body. The two sliding frame bodies are reinforcedly connected by a second connecting strip. The output end of the drive motor 302 drives the two sliding frame bodies to move synchronously by being fixedly connected to the second connecting strip. There are also two platforms 304, which are fixedly installed on the two sliding frame bodies respectively. The hinge part is the structure that realizes the hinged rotation between the platform 304 and the sliding frame 303. This structure can adopt any structure in the prior art, so it will not be described in detail. Since the hinge part occupies a certain space, there is a gap between the lower surface of the platform 304 and the upper surface of the sliding frame 303. This gap is the docking cavity.

[0029] The lifting structure 4 includes a docking block 401 inserted into the docking cavity; the side of the docking block 401 near the platform 304 has an inclined surface, and the distance between the bottom of the inclined surface and the shelf 12 is greater than the distance between the top of the inclined surface and the shelf 12; the minimum height of the docking block 401 is less than the minimum height of the docking cavity and less than the maximum height of the docking block 401. As the docking block 401 gradually penetrates into the docking cavity, due to the inclined surface, it lifts the platform 304 upward and causes the platform 304 to rotate around the hinge, so that the end of the platform 304 near the shelf 12 gradually moves away from the sliding frame 303.

[0030] At least when the docking block 401 is inserted to the maximum depth of the docking cavity, the height of the upper surface of the platform 304 is greater than or equal to the height of the upper surface of the shelf 12. This means that, at least when the platform 304 is raised to its maximum height, it must be able to support the shuttle car above the upper surface of the shelf 12, ensuring that the shuttle car can smoothly enter the shelf 12.

[0031] In this embodiment, the shuttle's wheels are placed on platform 304 for positioning. Then, the lifting structure 2 is activated to drive the entire moving structure 3 to rise and fall along the climbing frame 11. After moving to a designated number of layers on the shelf 12, the drive motor 302 drives the sliding frame 303 to approach the shelf 12. During this approach, the docking block 401 is inserted into the docking cavity and lifts the end of platform 304, causing platform 304 to tilt. This allows the shuttle's wheels to be gradually lifted to the same horizontal level as the upper surface of the shelf 12 as it moves along the tilted platform 304, ensuring the shuttle can smoothly enter the shelf 12. Because the entire surface of platform 304 is flat, the shuttle can maintain stable sliding during movement without jamming. Moreover, as the shuttle moves from platform 304 to shelf 12, platform 304 maintains the same tilt posture throughout, making operation convenient and offering advantages such as high practicality and economy.

[0032] It is worth noting that since the distance between platform 304 and the upper surface of shelf 12 will not differ too much in the initial state, even if platform 304 is in the most tilted state, the tilt angle will generally not exceed 5 degrees, which will not cause problems such as the goods on the shuttle to tip over.

[0033] As a further preferred embodiment, the lifting structure 4 further includes a baffle 402 that abuts against the outer side of the sliding frame 303, and a compression member 403 disposed between the baffle 402 and the shelf 12. The compression member 403 includes a fixing post 403a connected to the shelf 12, a cylinder 403b connected to the baffle 402 and slidably connected to the fixing post 403a, and a support spring 403c sleeved on the outside of the fixing post 403a, with one end connected to the fixing post 403a and the other end connected to the cylinder 403b. Furthermore, the compression member 403 also includes a limiting protrusion 403d disposed on the side end of the fixing post 403a, and a limiting groove 403e disposed on the inner wall of the cylinder 403b and adapted to the limiting protrusion 403d.

[0034] Preferably, there are two compression components 403, symmetrically distributed on both sides of the lower end of the baffle 402. The baffle 402 is installed at the ends of the two compression components 403 for positioning and connection with the two sliding frames. When the sliding frame moves closer to the shelf 12, the sliding frame first abuts against the baffle 402 and pushes the compression components 403 to compress, which improves the docking accuracy between the docking block 401 and the docking cavity, and also improves the stability of the sliding frame movement. Under extreme compression, the fixing post 403a may protrude through the cylinder 403b, therefore the baffle 402 is preferably located in a position that does not obstruct the passage of the cylinder 403b.

[0035] As a further preferred embodiment, the moving structure 3 further includes a support block 305 disposed on the upper surface of the sliding frame 303 away from the hinge portion, and the support block 305 abuts against the lower surface of the platform 304 when the lower surface of the platform 304 is parallel to the upper surface of the sliding frame 303. This arrangement is used to strengthen the support strength on the side away from the hinge portion when the platform 304 is in a horizontal state. In addition, after the shuttle moves onto the shelf 12, the sliding frame 303 moves the platform 304 away from the shelf, at which time the platform 304 gradually falls back until it is reconnected to the support block 305. Therefore, a buffer layer can also be provided on the upper end of the support block 305 to reduce the impact wear when the platform 304 falls back. The buffer layer can be made of any existing material, such as rubber, and will not be described in detail.

[0036] As a further preferred embodiment, the sliding frame 303 (the aforementioned sliding frame body) has at least a mounting plate 303a for mounting the platform 304, and a positioning plate 303b disposed on the side of the mounting plate 303a near the docking block 401; the positioning plate 303b is provided with a positioning hole 303c for the fixed column 403a to pass through. This arrangement avoids obstructing the stroke of the fixed column 403a and improves the stability of the compression / reset of the compression member 403.

[0037] As a further preferred embodiment, a pulley 303d is provided on the surface of the mounting plate 303a near the fixing frame 301; a track 301a matching the pulley 303d is provided on the surface of the fixing frame 301. The sliding frame 303 further includes a connecting plate 303e supporting the mounting plate 303a; a pulley 303f is provided on the surface of the connecting plate 303e near the fixing frame 301, and a track 301b matching the pulley 303f is provided on the surface of the fixing frame 301. This arrangement helps to enhance the stability of the sliding connection between the fixing frame 301 and the sliding frame 303.

[0038] As a further preferred embodiment, the upper surface of the platform 304 is provided with a track 304a that matches the wheels of the shuttle. This arrangement helps to enhance the stability of the sliding connection between the fixed frame 301 and the sliding frame 303.

[0039] As a further preferred embodiment, the baffle 402 is a corner plate, used to abut against the side of the mounting plate 303a and / or positioning plate 303b near the docking block 401.

[0040] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A floor-changing lifting machine, comprising a climbing frame (11) and a shelf (12), and a lifting structure (2) slidably connected to the climbing frame (11), characterized in that: It also includes a moving structure (3) that is slidably connected to the lifting structure (2) to carry the shuttle, and a lifting structure (4) that is set on the shelf (12) for docking with the moving structure (3). The movable structure (3) includes a fixed frame (301), a drive motor (302) mounted on the fixed frame (301), a sliding frame (303) slidably connected to the fixed frame (301) and connected to the drive motor (302), and a platform (304) rotatably connected to the sliding frame (303). The platform (304) has a hinge at one end away from the shelf (12) and a docking cavity at one end near the shelf (12). The lifting structure (4) includes a docking block (401) inserted into the docking cavity; The docking block (401) has a slope on the side near the platform (304), and the distance between the bottom of the slope and the shelf (12) is greater than the distance between the top of the slope and the shelf (12). The minimum height of the docking block (401) is less than the minimum height of the docking cavity and the maximum height of the docking block (401); And at least when the docking block (401) is inserted to the maximum depth of the docking cavity, the height of the upper surface of the platform (304) is ≥ the height of the upper surface of the shelf (12).

2. The layer-changing elevator according to claim 1, characterized in that: The lifting structure (4) also includes a baffle (402) that abuts against the outer side of the sliding frame (303) and a compression member (403) disposed between the baffle (402) and the shelf (12).

3. The layer-changing elevator according to claim 2, characterized in that: The compression component (403) includes a fixed column (403a) connected to the shelf (12), a cylinder (403b) connected to the baffle (402) and slidably connected to the fixed column (403a), and a support spring (403c) sleeved on the outside of the fixed column (403a), with one end connected to the fixed column (403a) and the other end connected to the cylinder (403b).

4. A floor-changing elevator according to claim 3, characterized in that: The compression member (403) also includes a limiting protrusion (403d) disposed on the side end of the fixed column (403a) and a limiting groove (403e) disposed on the inner wall of the cylinder (403b) and adapted to the limiting protrusion (403d).

5. A layer-changing elevator according to claim 1, characterized in that: The movable structure (3) further includes a support block (305) disposed on the upper surface of the sliding frame (303) away from the hinge portion, and the support block (305) abuts against the lower surface of the platform (304) when the lower surface of the platform (304) is parallel to the upper surface of the sliding frame (303).

6. A floor-changing elevator according to claim 3, characterized in that: The sliding frame (303) has at least a mounting plate (303a) for mounting the platform (304) and a positioning plate (303b) disposed on the side of the mounting plate (303a) near the docking block (401); the positioning plate (303b) is provided with a positioning hole (303c) for the fixed column (403a) to pass through.

7. A floor-changing elevator according to claim 6, characterized in that: The mounting plate (303a) has a pulley (303d) on its surface near the fixing frame (301); the fixing frame (301) has a track (301a) on its surface that matches the pulley (303d).

8. A floor-changing elevator according to claim 6, characterized in that: The sliding frame (303) further includes a connecting plate (303e) that supports the mounting plate (303a); a pulley (303f) is provided on the surface of the connecting plate (303e) near the fixed frame (301), and a track (301b) that matches the pulley (303f) is provided on the surface of the fixed frame (301).

9. A floor-changing elevator according to claim 6, characterized in that: The baffle (402) is used to abut against the side of the mounting plate (303a) and / or positioning plate (303b) near the docking block (401).

10. A floor-changing elevator according to claim 1, characterized in that: The upper surface of the platform (304) is provided with track three (304a) that matches the wheels of the shuttle.

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