A height adjustable palletized shelving load carrying structure

Abstract

The utility model discloses a height adjustable tray type goods shelf load structure, this height adjustable tray type goods shelf load structure includes four stand column goods shelf and shuttle vehicle track inserted in four stand column goods shelf, and the both sides in four stand column goods shelf are provided with the fixed load board and the lifting load board parallel with shuttle vehicle track insertion portion, the fixed load board is set below lifting load board, and the top of four stand column goods shelf is provided with the drive mechanism that connects and drives lifting load board vertical movement, and the both ends of lifting load board are provided with the sliding sleeve of sliding sleeve in four stand column goods shelf column body. This height adjustable tray type goods shelf load structure has double -deck function, can be adjusted according to the height of box body.

Description

Technical Field

[0001] This utility model relates to the field of shelving, specifically to a height-adjustable pallet rack carrying structure. Background Technology

[0002] Pallet racking, also known as beam racking or storage racking, is typically heavy-duty and is the most common type of warehouse racking system in China. It is suitable for both multi-variety, small-batch items and single-variety, large-batch items. Pallet racking features aisles on the sides with four-way rails. Shuttles are mounted on these rails, allowing them to access the bottom of the racking to lift and move goods, or to place goods directly onto the racking for storage.

[0003] Patent CN213595139U describes a self-charging pallet rack for automated warehouses, relating to the field of self-charging pallet racks. It includes a support frame, with a battery cell inside each of the four support frames. The battery cells are fixed to the inner wall of the support frame. Three reinforcing crossbars are provided in the middle of the support frame, and the two ends of the three reinforcing crossbars are fixedly connected to the inner wall of the support frame. The distance between two adjacent reinforcing crossbars is equal, and the distance between the battery cells is equal to the distance between the top reinforcing crossbar and the bottom crossbar.

[0004] The automated warehouse uses self-charging pallet racks with multiple layers of shelves. The shelves are fixed in position, making height adjustment difficult. Furthermore, forklifts are required to move goods onto the shelves, which is cumbersome. The fixed shelves are also difficult to use with shuttle vehicles. Utility Model Content

[0005] The purpose of this utility model is to provide a height-adjustable pallet rack carrying structure, which has a double-layer stacking function and can be adjusted according to the height of the box.

[0006] To achieve the above objectives, this utility model provides a height-adjustable pallet rack carrying structure, including a four-column rack and a shuttle track inserted into the four-column rack. Fixed and lifting plates are provided on both sides of the four-column rack, parallel to the insertion portion of the shuttle track. The fixed plates are located below the lifting plates. A drive mechanism is provided at the top of the four-column rack to connect with and drive the vertical movement of the lifting plates. Sliding sleeves are provided at both ends of the lifting plates, slidably fitted onto the columns of the four-column rack.

[0007] Preferably, the top of the four columns of the four-column shelf is fixedly connected to a top plate, and the drive mechanism includes a dual-axis motor mounted on the top plate; a first bevel gear is fixedly sleeved on the two ends of the dual-axis motor, a lead screw nut is provided on the lifting plate, a lead lever is installed inside the lead screw nut, the upper end of the lead lever is rotatably connected to the top plate, and a second bevel gear meshing with the first bevel gear is sleeved on it.

[0008] Preferably, the bottoms of two adjacent columns are connected by a crossbar, and the lower end of the lever is rotatably connected to the corresponding crossbar.

[0009] Preferably, the top plate is provided with a motor mount for mounting the dual-axis motor, and the motor mount is connected to the top plate by a plurality of bolts.

[0010] Preferably, the outer side of the column is provided with a plurality of positioning holes, an electric locking pin is installed on the outside of the sliding sleeve, and the sliding sleeve is provided with a through hole through which the pin shaft of the electric locking pin passes.

[0011] Preferably, a reinforcing plate is fixedly connected between the fixed carrier plate and the column.

[0012] Preferably, the shuttle track is a four-way track.

[0013] According to the above technical solution, this utility model provides a height-adjustable pallet rack carrying structure, including a four-column rack and a shuttle track inserted into the four-column rack. The four-column rack has a fixed carrier plate and a lifting carrier plate on both sides, which are parallel to the insertion part of the shuttle track. The fixed carrier plate is located below the lifting carrier plate. The top of the four-column rack is provided with a drive mechanism that connects to and drives the lifting carrier plate to move vertically. The two ends of the lifting carrier plate are provided with sliding sleeves that are slidably sleeved on the columns of the four-column rack.

[0014] The usage and benefits of this height-adjustable pallet racking structure are as follows: First, the lifting pallet is lowered to its lowest height via a drive mechanism. Then, a shuttle car running on the shuttle track carries the goods to the entrance position on one side of the lifting pallet. The lifting platform on the shuttle car raises the goods until the bottom is above the lifting pallet. The shuttle car continues to transport the goods below the lifting pallet, and the lifting platform lowers, placing both ends of the goods on the lifting pallets on both sides. At this point, the drive mechanism raises the lifting pallets at both ends, creating a space for stacking goods between the lifting pallet and the fixed pallet. The same operation is repeated, with the shuttle car carrying goods and placing both ends on the fixed pallets on both sides, thus completing double-layer stacking. Compared to single-layer stacking, this structure has higher space utilization, achieving the effect of double-layer stacking on a single-layer shuttle track.

[0015] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of a height-adjustable pallet rack loading structure from one perspective.

[0018] Figure 2 This is a schematic diagram of another perspective on the cargo-carrying structure of a height-adjustable pallet rack.

[0019] Figure 3 This is a top view schematic diagram of a height-adjustable pallet rack loading structure.

[0020] Figure 4 This is a schematic diagram of the main structure of a height-adjustable pallet rack loading structure.

[0021] Figure 5 yes Figure 2 A magnified schematic diagram of a portion of region A in the middle.

[0022] Explanation of reference numerals in the attached figures

[0023] 1-Four-post rack; 2-Lifting pallet; 3-Fixed pallet; 4-Shuttle track; 5-Lever; 6-Top plate; 7-Motor base; 8-Dual-axis motor; 9-First bevel gear; 10-Second bevel gear; 11-Positioning hole; 12-Electric cylinder; 13-Sliding sleeve; 14-Crossbar; 15-Lever nut; 16-Bolt; 17-Electric locking pin; 18-Reinforcing plate. Detailed Implementation

[0024] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0025] In this utility model, unless otherwise stated, directional terms such as "up, down, left, right, front, back, inside, outside" in the terminology only represent the orientation of the term in its conventional use or are common terms understood by those skilled in the art, and should not be regarded as a limitation on the term.

[0026] See Figure 1-5The height-adjustable pallet racking structure shown includes a four-post rack 1 and a shuttle track 4 inserted into the four-post rack 1. Fixed carrier plates 3 and lifting carrier plates 2 are provided on both sides of the four-post rack 1, parallel to the insertion portion of the shuttle track 4. The fixed carrier plates 3 are located below the lifting carrier plates 2. A drive mechanism is provided at the top of the four-post rack 1 to connect with and drive the vertical movement of the lifting carrier plates 2. Sliding sleeves 13 are provided at both ends of the lifting carrier plates 2, which are slidably fitted onto the columns of the four-post rack 1.

[0027] By implementing the above technical solution, when using this height-adjustable pallet rack loading structure, the lifting platform 2 is first lowered to its lowest height via the drive mechanism. Then, a shuttle car running on the shuttle track 4 carries the goods to the entrance position on one side of the lifting platform 2. The lifting platform on the shuttle car raises the goods until the bottom is higher than the lifting platform 2. The shuttle car continues to transport the goods to below the lifting platform 2, and the lifting platform lowers, placing both ends of the goods on the lifting platforms 2 on both sides. At this time, the drive mechanism raises the lifting platforms 2 at both ends, creating a space for stacking goods between the lifting platform 2 and the fixed platform 3. Following the same operation, the shuttle car carries the goods, placing both ends of the goods on the fixed platform 3 on both sides, thus completing double-layer stacking. Compared to single-layer stacking, this structure has a higher space utilization rate, achieving the effect of double-layer stacking on a single-layer shuttle track 4. A sliding sleeve 13 is used to slide and guide the vertical movement of the lifting platform 2 by sliding it on the four-column rack 1, increasing the stability of the vertical movement of the lifting platform 2.

[0028] In this embodiment, the tops of the four columns of the four-column shelf 1 are fixedly connected to a top plate 6. The drive mechanism includes a dual-axis motor 8 mounted on the top plate 6. A first bevel gear 9 is fixedly sleeved on both ends of the dual-axis motor 8. A lead screw nut 15 is provided on the lifting platform 2. A lead lever 5 is installed inside the lead screw nut 15. The upper end of the lead lever 5 is rotatably connected to the top plate 6 and is sleeved with a second bevel gear 10 that meshes with the first bevel gear 9. The vertical movement of the lifting platform 2 is controlled as follows: the rotation of the dual-axis motor 8 drives the lead lever 5 to rotate under the transmission of the first bevel gear 9 and the second bevel gear 10. The lead lever 5 and the lead screw nut 15, in threaded engagement, and the vertical guide of the sliding sleeve 13 downwards, cause the lifting platform 2 to move up or down. The dual-axis motor 8 is a dual-axis geared motor, thus enabling the lifting platforms 2 at both ends to move synchronously. In addition, bearings can be installed at the rotatable connection points between the two ends of the lever 5 and the four-column shelf 1 to improve the smoothness of rotation.

[0029] In this embodiment, the bottoms of two adjacent columns are connected by a crossbar 14, and the lower end of the lever 5 is rotatably connected to the corresponding crossbar 14. This arrangement allows for a bearing connection between the lower end of the lever 5 and the corresponding crossbar 14, increasing the smoothness and stability of the lever 5 during rotation.

[0030] In this embodiment, the top plate 6 is provided with a motor mount 7 for mounting the dual-axis motor 8, and the motor mount 7 is connected to the top plate 6 by a plurality of bolts 16. The top plate 6 has a plurality of screw holes corresponding to the bolts 16. After the motor mount 7 is positioned, it is fixed in place by the bolts 16.

[0031] In this embodiment, the outer side of the column is provided with multiple positioning holes 11, and an electric locking pin 17 is installed on the outside of the sliding sleeve 13. The sliding sleeve 13 is provided with a through hole through which the pin shaft of the electric locking pin 17 passes. The electric locking pin 17 is driven by an electric cylinder 12. By extending and retracting the electric locking pin 17, the position of the sliding sleeve 13 is locked to prevent the lifting platform 2 from accidentally falling due to mechanical failure.

[0032] To control the rising position of the lifting platform 2, a laser rangefinder sensor can be installed at the bottom of the top plate 6 to measure the distance between it and the non-cargo contact area of ​​the lifting platform 2. The measured distance provides data for the movement position of the lifting platform 2, ensuring that the through hole aligns with the positioning hole 11. To overcome positioning errors, the inner diameter of the positioning hole 11 can be set to be 1-3 mm larger than the diameter of the electric locking pin 17.

[0033] In this embodiment, to further increase the structural strength of the fixed carrier plate 3, a reinforcing plate 18 is fixedly connected between the fixed carrier plate 3 and the column. The reinforcing plate 18 is rectangular, with the fixed carrier plate 3 and the column fixedly connected to its two adjacent sides, respectively, avoiding the screw lever 5 and not affecting the operation of the screw lever 5.

[0034] In this embodiment, the shuttle track 4 is a four-way track. The types of four-way tracks and shuttles are not the focus of this invention and will not be described further. The shuttle is a four-way shuttle, capable of transporting goods in all four directions (front, back, left, and right) on the four-way track. The shuttle uses a structure with a lifting platform to lift goods to the required height.

[0035] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0036] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0037] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A height-adjustable pallet rack carrying structure, characterized in that, The height-adjustable pallet rack loading structure includes a four-post rack (1) and a shuttle track (4) inserted into the four-post rack (1). The four-post rack (1) has a fixed plate (3) and a lifting plate (2) on both sides parallel to the insertion part of the shuttle track (4). The fixed plate (3) is located below the lifting plate (2). The top of the four-post rack (1) is provided with a drive mechanism that connects to and drives the lifting plate (2) to move vertically. The two ends of the lifting plate (2) are provided with sliding sleeves (13) that are slidably sleeved on the column of the four-post rack (1).

2. The height-adjustable pallet rack loading structure according to claim 1, characterized in that, The top of the four columns of the four-column shelf (1) is fixed to a top plate (6), and the drive mechanism includes a dual-axis motor (8) mounted on the top plate (6); The dual-axis motor (8) has a first bevel gear (9) fixedly sleeved on both ends of the shaft. The lifting plate (2) is provided with a lead screw nut (15). A lead lever (5) is installed inside the lead screw nut (15). The upper end of the lead lever (5) is rotatably connected to the top plate (6) and is sleeved with a second bevel gear (10) that meshes with the first bevel gear (9).

3. The height-adjustable pallet rack loading structure according to claim 2, characterized in that, The bottoms of two adjacent columns are connected by a crossbar (14), and the lower end of the wire lever (5) is rotatably connected to the corresponding crossbar (14).

4. The height-adjustable pallet rack loading structure according to claim 2, characterized in that, The top plate (6) is provided with a motor mount (7) for mounting the dual-axis motor (8), and the motor mount (7) is connected to the top plate (6) by a plurality of bolts (16).

5. The height-adjustable pallet rack loading structure according to claim 1, characterized in that, The outer side of the column is provided with multiple positioning holes (11), and an electric locking pin (17) is installed on the outside of the sliding sleeve (13). The sliding sleeve (13) is provided with a through hole through which the pin shaft of the electric locking pin (17) passes.

6. The height-adjustable pallet rack loading structure according to claim 1, characterized in that, A reinforcing plate (18) is fixedly connected between the fixed carrier plate (3) and the column.

7. The height-adjustable pallet rack loading structure according to claim 1, characterized in that, The shuttle track (4) is a four-way track.

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