Carrying frame device for mobile transfer robot

Abstract

The utility model belongs to the technical field of warehouse logistics, and provides a carrying frame device for a mobile transfer robot, which comprises a frame, a positioning frame and a carrying plate, the frame is horizontally placed, supporting legs are vertically arranged at frame corners of the frame, a bearing platform is arranged at the tops of the supporting legs to support the frame corners, and a positioning column upwards protrudes from the center of the bearing platform. The positioning columns penetrate through the frame corners of the frame and then continuously and convexly extend upwards, so that a positioning space is formed between every two adjacent positioning columns; the positioning frame comprises a ring body and a telescopic arm, the ring body is located above the center of a frame opening of the frame, and the telescopic arm is transversely arranged between the ring body and the positioning column. A traditional integral welding mode of the carrying rack is abandoned, the supporting legs and the carrying rack can be rapidly separated and assembled, the carrying rack is stacked together in a stacking mode in the transportation or storage period and does not occupy too much space, the space utilization rate is effectively increased, great convenience is provided for transportation and storage of the carrying rack, and the carrying rack is convenient to use. And meanwhile, an effective placing space is provided for other articles.

Description

Technical Field

[0001] This utility model belongs to the field of warehousing and logistics technology, and specifically relates to a carrier device for a mobile handling robot. Background Technology

[0002] AGVs (Automated Guided Vehicles) are a subcategory of industrial robots. Equipped with electromagnetic or optical automatic guidance devices, they can travel along a predetermined path, and their primary use in practice is material handling. In logistics and warehousing, AGVs are commonly used to move shelves containing items requiring sorting to manual sorting stations, performing material handling tasks. The common type is the stealthy AGV. Stealthy AGVs use their built-in lifting mechanism as a hoisting device to lift the pallet (carrier) off the ground, and then travel along a predetermined route to the unloading point, thus completing the material handling operation.

[0003] Currently, in order to ensure that the pallet used for AGVs can be lifted from below, outriggers must be installed at the bottom of the pallet to raise it and provide operating space for the AGV. However, the presence of outriggers causes the pallets to take up too much space when stacked together during transportation or storage, increasing transportation costs and resulting in low space utilization.

[0004] Therefore, there is a need to provide an improved technical solution that addresses the shortcomings of the existing technology. Utility Model Content

[0005] The purpose of this invention is to overcome the problem that traditional pallet racks used for AGVs occupy too much space when stacked for transportation or storage, resulting in increased transportation costs and low space utilization. This invention provides a pallet rack device for mobile handling robots.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A mobile transport robot's carrier device includes: a frame, a positioning frame, and a carrier plate. The frame is placed horizontally, with legs erected at the corners of the frame. Each leg has a support platform at its top to hold the corner. A positioning post protrudes upward from the center of the platform, penetrating the corner of the frame and continuing to protrude upward, creating a positioning space between adjacent positioning posts. The positioning frame includes a ring and a telescopic arm. The ring is located above the center of the frame opening, and the telescopic arm is horizontally positioned between the ring and the positioning post. One end of the telescopic arm connects to the outer side of the ring, and the other end extends towards the positioning post. The carrier plate is placed horizontally above the positioning frame, with its edge engaged in the positioning space between adjacent positioning posts for centering. Moving the carrier plate downward controls the extension of the telescopic arm radially towards the corresponding positioning post, allowing the end of the telescopic arm to extend into the post. Moving the carrier plate upward in this state causes the end of the telescopic arm to automatically retract and withdraw from the corresponding positioning post.

[0008] In the mobile transport robot carrier device described above, preferably, the diameter of the support platform is larger than the diameter of the support leg.

[0009] Preferably, the height of the positioning post exceeds that of the ring body.

[0010] Preferably, the side of the positioning post is provided with a positioning groove, which is composed of a pair of symmetrical and spaced vertical plates;

[0011] The vertical plate is located at the top of the frame.

[0012] Preferably, the end of the telescopic arm is located within the positioning groove, so that the telescopic arm's extension and retraction direction is defined by the positioning groove.

[0013] Preferably, the height of the vertical plate is the same as the height of the ring.

[0014] Preferably, the telescopic arm includes a sleeve and an expansion rod, one end of the sleeve is mated to the outer side of the ring body, and the other end faces the positioning post;

[0015] One end of the expansion rod has an upward-facing bevel and passes through the sleeve into the annular opening of the ring body; the other end rests on the frame and is located in the alignment groove.

[0016] Preferably, a limiting plate is fitted onto the outer side of one end of the expansion rod located inside the sleeve;

[0017] A spring is provided on the side of the limiting plate away from the ring body, and the spring is sleeved on the outside of the expansion rod.

[0018] Preferably, a support column is protruding from the center of the lower plate of the carrying plate, and the lower end of the support column is conical, so that when the lower end of the support column enters the annular opening of the ring body, the expansion rod inside it is squeezed radially.

[0019] Preferably, a support plate is fitted around the expansion rod, and a pad is provided at the lower end of the support plate;

[0020] The bottom of the pad is always lower than the bottom of the support column.

[0021] Beneficial effects: This utility model abandons the traditional one-piece welding method of the pannier frame, which can realize the quick separation and assembly of the support legs and the pannier frame. This allows the pannier frames to be stacked together during transportation or storage without taking up too much space, effectively improving space utilization and providing great convenience for the transportation and storage of pannier frames. At the same time, it provides effective placement space for other items. Attached Figure Description

[0022] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. Wherein:

[0023] Figure 1 This is the front view of the present invention;

[0024] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 3 This is a schematic diagram of the overall structure of the positioning frame of this utility model;

[0026] Figure 4 This is a bottom view of the feeder structure of this utility model;

[0027] Figure 5 This is a front sectional view of the positioning frame structure of this utility model.

[0028] In the diagram: 1. Frame; 2. Support leg; 3. Support platform; 4. Positioning column; 5. Ring body; 6. Feed plate; 7. Vertical plate; 8. Sleeve; 9. Expansion rod; 10. Limiting plate; 11. Spring; 12. Support column; 13. Support plate; 14. Pad plate. Detailed Implementation

[0029] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art are within the protection scope of this utility model.

[0030] In the description of this utility model, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and do not require that this utility model be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. The terms "connected" and "linked" used in this utility model should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; they can refer to a direct connection or an indirect connection through intermediate components. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0031] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described herein can be combined with each other.

[0032] This embodiment aims to provide a carrier device for mobile handling robots. Its main function is to greatly reduce the space occupied by stacked carriers for AGV handling robots, effectively improve their space utilization, and reduce transportation or storage costs.

[0033] Reference Figures 1-5 The system includes: a frame 1, a positioning frame, and a support plate 6. The frame 1 is a rectangular frame that is placed horizontally. Support legs 2 are erected at the four corners of the frame 1. The support legs 2 are square steel pipes. A steel plate, i.e., a support platform 3, is welded to the top of the support legs 2. The diameter of the support platform 3 is larger than the diameter of the support legs 2. A vertical positioning post 4 is welded to the center of the support platform 3. The upper end of the positioning post 4 passes through the corner of the frame 1 and continues to protrude upward so that the corner of the rectangular frame sits on the support platform 3. Correspondingly, the four support legs 2 are connected into one unit through the rectangular frame. At this time, a positioning space is formed between two adjacent positioning posts 4 for installing the support plate 6.

[0034] The side of the positioning column 4 is provided with a positioning groove, which is composed of a pair of symmetrical and spaced vertical plates 7. The two vertical plates 7 are welded to the top of the frame 1, and the positioning groove corresponds exactly to the corner of the frame.

[0035] The positioning frame includes a ring body 5 and telescopic arms. The ring body 5 is located above the center of the frame opening of the frame 1. The telescopic arms are horizontally positioned between the ring body 5 and the positioning posts 4. There are four telescopic arms in total, which are evenly arranged around the ring body 5 and corresponding to the four positioning posts 4. The four telescopic arms are in a cross shape. One end of the telescopic arm is connected to the outer side of the ring body 5, and the other end extends towards the positioning post 4. Specifically, the telescopic arm includes a sleeve 8 and an expansion rod 9. One end of the sleeve 8 is welded to the outer side of the ring body 5, and the other end faces the positioning post 4. The expansion rod 9 can be a rectangular rod. One end of the expansion rod 9 has an upward-facing bevel and passes through the sleeve 8 into the ring opening of the ring body 5, without exceeding the center of the ring opening. The other end of the expansion rod 9 rests on the frame 1 and is located in the alignment groove. The width of the alignment groove is exactly the same as the width of the expansion rod. The width of the expansion rods 9 is consistent, and the extension and retraction direction of the telescopic arm is limited by the positioning groove. This is to ensure that the end of the expansion rod 9 can be accurately inserted into the positioning post 4 for positioning. The end of the expansion rod 9 located inside the sleeve 8 is fitted with a limiting plate 10 welded to the outside. The shape of the limiting plate 10 matches the cylinder cavity of the sleeve 8. A spring 11 is provided on the side of the limiting plate 10 away from the ring body 5. The spring 11 is sleeved on the outside of the expansion rod 9. When the end of the expansion rod 9 located in the ring is squeezed back, the limiting plate 10 will squeeze the spring 11 so that the end of the expansion rod 9 can be reset later. When the expansion rod 9 is reset by the reaction force of the spring 11, the limiting plate 10 can also fix the length of the end of the expansion rod 9 extending into the ring, ensuring that the length of the ends of the four expansion rods 9 extending into the ring is consistent.

[0036] In this embodiment, the height of the vertical plate 7 is the same as the height of the ring 5 to ensure that the pedestal plate 6 is placed horizontally above the positioning frame.

[0037] The loader plate 6 is placed horizontally above the positioning frame. Notches are cut at each of the four corners of the loader plate 6 corresponding to the positions of the positioning posts 4, allowing the edges of the loader plate 6 to fit into the positioning space between two adjacent positioning posts 4. The length of the edge of the loader plate 6 is the same as the length of the positioning space, enabling quick and centered placement of the loader plate 6. A support post 12 protrudes from the center of the lower surface of the loader plate 6. The lower end of the support post 12 is conical, and its diameter matches the diameter of the ring opening. When the loader plate 6 is lowered, the lower end of the support post 12 gradually enters the ring body 5. Inside the ring, due to the weight of the pedestal plate 6, the cone at the lower end of the support column 12 will squeeze the expansion rod 9 inside the ring radially, causing the end of the expansion rod 9 inside the ring to completely retract into the sleeve 8. During this time, the end of the expansion rod 9 away from the ring body 5 is smoothly inserted into the corresponding positioning column 4 under the guidance of the positioning groove. At this time, the pedestal plate 6 has also been placed. The center of the pedestal plate 6 is mainly supported by the ring body 5, and the four corners of the pedestal plate 6 are mainly supported by the vertical plates 7 that form the positioning groove, so as to distribute its weight and ensure the stability of the support.

[0038] In this embodiment, the height of the positioning post 4 exceeds that of the ring body 5. The purpose of this is to ensure that the position of the pedestal plate 6 is calibrated before the lower end of the support post 12 enters the ring opening, thus ensuring the stability of the pedestal plate 6 during the lowering process.

[0039] In this embodiment, a support plate 13 is welded to the outside of the expansion rod 9, and the installation position of the support plate 13 will not affect the normal extension and retraction movement of the expansion rod 9. A pad 14 is welded to the lower end of the support plate 13. The bottom of the pad 14 is always lower than the lower end of the support column 12. The purpose is to ensure that when the logistics robot moves to the bottom of the loading platform 6 and is lifted upward, the pad 14 contacts the lifting platform of the logistics robot first, so as to avoid the lower end of the support column 12 directly contacting the lifting platform of the logistics robot and generating stress that could damage it.

[0040] When the device needs to be transported or stored in batches, after the goods on the pallet 6 are removed, the pallet 6 is moved upward so that the support column 12 is gradually pulled away from the ring opening. The four expansion rods 9 are also gradually pulled away from the positioning column 4 under the reaction force of their respective springs 11. Then, the positioning frame and frame 1 are moved upward in sequence until only the four support legs 2 are left. In this way, the support legs 2 can be quickly removed from the pallet frame, so as to achieve the purpose of quick and effective stacking of the pallet frame and solve the problem of the support legs 2 occupying too much stacking space.

[0041] This embodiment abandons the traditional one-piece welding method of the pannier, which can realize the quick separation and assembly of the support legs 2 and the pannier. This allows the panniers to be stacked together during transportation or storage without taking up too much space, effectively improving space utilization and providing great convenience for the transportation and storage of panniers, while also providing effective placement space for other items.

[0042] It is understood that the above description is merely exemplary and the embodiments of this application do not limit the scope of the application.

[0043] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be within the scope of protection of the pending claims of the present utility model.

Claims

1. A carrier device for a mobile transport robot, characterized in that include: A frame is placed horizontally. Support legs are provided at the corners of the frame. A support platform is provided on the top of the support legs to support the corners. A positioning post protrudes upward from the center of the support platform. The positioning post passes through the corner of the frame and continues to protrude upward so that a positioning space is formed between two adjacent positioning posts. The positioning frame includes a ring body and a telescopic arm. The ring body is located above the center of the frame opening. The telescopic arm is horizontally positioned between the ring body and the positioning post. One end of the telescopic arm is connected to the outer side of the ring body, and the other end extends toward the positioning post. The pedestal is placed horizontally above the positioning frame. The edge of the pedestal is engaged in the positioning space between two adjacent positioning posts to center the pedestal. By moving the pedestal downward, the end of the telescopic arm can be controlled to extend radially toward the corresponding positioning post and extend into the positioning post. In this state, if the pedestal is then moved upward, the end of the telescopic arm will automatically retract and be pulled out of the corresponding positioning post.

2. The carrier device for a mobile transport robot according to claim 1, characterized in that The diameter of the support platform is larger than the diameter of the support leg.

3. The carrier device for mobile transport robots according to claim 1, characterized in that, The height of the positioning post exceeds that of the ring.

4. The carrier device for mobile transport robots according to claim 1, characterized in that, The side of the positioning column is provided with a positioning groove, which is composed of a pair of symmetrical and spaced vertical plates; The vertical plate is located at the top of the frame.

5. A carrier device for a mobile transport robot according to claim 4, characterized in that The end of the telescopic arm is located within the positioning groove, thereby defining the telescopic direction of the telescopic arm through the positioning groove.

6. A carrier device for a mobile transport robot according to claim 5, characterized in that The height of the vertical plate is the same as the height of the ring.

7. A carrier device for a mobile transport robot according to claim 6, characterized in that The telescopic arm includes a sleeve and an expansion rod, one end of the sleeve is connected to the outer side of the ring body, and the other end faces the positioning post; One end of the expansion rod has an upward-facing bevel and passes through the sleeve into the annular opening of the ring body; the other end rests on the frame and is located in the alignment groove.

8. A carrier device for a mobile transport robot according to claim 7, characterized in that A limiting plate is fitted externally to one end of the expansion rod located inside the sleeve; A spring is provided on the side of the limiting plate away from the ring body, and the spring is sleeved on the outside of the expansion rod.

9. A piggyback device for a mobile transport robot according to claim 8, characterized in that A support column is protruding from the center of the lower plate of the pedestal plate. The lower end of the support column is conical, so that when the lower end of the support column enters the annular opening of the ring body, the expansion rod inside it is squeezed radially.

10. A carrier device for a mobile transport robot according to claim 9, characterized in that The expansion rod is fitted with a support plate, and the lower end of the support plate is provided with a pad. The bottom of the pad is always lower than the bottom of the support column.

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