Positionable aluminum tray

By designing a positionable aluminum pallet, and utilizing an elastic pressure plate, piezoelectric ceramic sheet, and pressure sensor in conjunction with an electromagnetic slider and crank mechanism, the problem of signal shielding and physical protection being incompatible due to positioning devices is solved, achieving both efficient pallet positioning and dual protection.

CN224241548UActive Publication Date: 2026-05-15TIANJIN BANGFU GUANCHUANG TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-24
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

In the use of existing metal pallets, the signal shielding caused by the positioning device and the physical protection cannot coexist, resulting in reduced efficiency of logistics and transportation and easy damage to the GPS antenna.

Method used

Design a positionable aluminum tray, comprising a tray, a pop-out mechanism, and a positioning device. Utilize an elastic pressure plate, piezoelectric ceramic sheet, and pressure sensor in conjunction with an electromagnetic slider and crank mechanism to achieve automatic hiding and revealing of the positioning device, ensuring signal quality and protection.

Benefits of technology

This achieves dual protection of signal quality and safety on the metal tray, extending the lifespan of the positioning function and improving battery life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of trays, and relates to a positionable aluminum tray, which comprises a tray, a pop-up mechanism and a positioning device, when a heavy object is placed on the tray, an elastic bearing plate begins to deform, a battery supplies power to an electromagnetic sliding block, so that the electromagnetic sliding block is full of magnetism, the electromagnetic sliding block and a magnet attract each other, and the electromagnetic sliding block slides to the topmost end; when the tray is transferred by the forklift, the electromagnetic sliding block restores to the original position again, at the moment, the included angle of the connecting rod is gradually increased to be close to 180 degrees, the supporting rod is driven to move towards the interior of the buttress, and therefore the supporting rod moves towards the outer side of the buttress, the crank is driven to rotate clockwise, and the positioning device is driven to move to the outer side of the buttress; by means of the linkage mechanism of the gravity and the popping mechanism, the contradiction problem that metal shielding and physical protection cannot coexist can be solved, and then the signal quality and the protection performance of the tray can be guaranteed.
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Description

Technical Field

[0001] This utility model belongs to the field of pallet technology, specifically a positionable aluminum pallet. Background Technology

[0002] Currently, metal pallets are mostly used in conjunction with forklifts. When a forklift picks up a metal pallet, the goods to be transported must already be placed on the pallet. The forklift operator then extends the forklift's forks into the gaps in the metal pallet to lift it off the ground. However, because the goods to be transported are large when stacked, it is difficult for the operator in the forklift cab to visually see the relative position between the forks and the metal pallet, making it difficult to accurately pick up the pallet. Therefore, the inventors installed a positioning device on the pallet to improve the accuracy of the forklift's forks.

[0003] However, because the positioning device is embedded inside the foot block or support block, some pallets directly use chip module GPS devices, which have low signal frequency and propagation speed, resulting in reduced efficiency of logistics and transportation. GPS antenna devices have better signal, but are easily damaged, and the antenna is easily damaged when the pallet is loaded or unloaded. Utility Model Content

[0004] To address the problems mentioned in the background art, this utility model provides a positionable aluminum tray to resolve the contradiction between the coexistence of metal shielding and physical protection of the tray.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a positionable aluminum pallet, characterized in that it includes a pallet, a pop-out mechanism, and a positioning device. The pallet is composed of supports, a bottom beam, a top beam, and aluminum grating plates. The supports are rectangular columns with hollow interiors. The bottom beams connect between the supports, and the top beam is connected to the top surface of the supports. The aluminum grating plates are arranged in an array on the supports and the top beam to form the pallet. A pop-out mechanism is provided on any one of the supports, and the pop-out mechanism is symmetrically installed according to the support. The positioning device is located inside the support and is connected to the pop-out mechanism.

[0006] Optionally, the pop-out mechanism includes a base, an electromagnetic slider, a connecting rod, a support rod, and a crank. The base is connected to the support, and the trapezoidal head of the base faces the opposite direction to the bottom beam. The electromagnetic slider is mounted on the base and is slidable. There are two connecting rods, symmetrical about the left and right sides of the base. One end of the connecting rod is connected to both sides of the trapezoidal head of the base, and the other end is connected to both sides of the electromagnetic slider. The connecting rods are connected by a first connecting shaft. The base and the support are provided with through-beam holes. One end of the support rod is connected to the middle of the first connecting shaft, and the other end passes through the through-beam hole and connects to the crank. The rotating part in the middle of the crank is located on the second connecting shaft. The other end of the crank is connected to a positioning device. Magnets are provided on both sides of the top of the connection between the base and the electromagnetic slider.

[0007] Optionally, the pop-out mechanism further includes an elastic bearing plate, a piezoelectric ceramic sheet, and a pressure sensor. The elastic bearing plate is disposed at the connection between the support and the aluminum grating plate. Piezoelectric ceramic sheets are arranged in a circumferential array on the elastic bearing plate. The pressure sensor is installed in the central recess of the elastic bearing plate. A battery is disposed inside the support, and the battery is connected to the piezoelectric ceramic sheet and the electromagnetic slider through wires.

[0008] Optionally, the support is provided with a circular groove, and the top of the positioning device is provided with a top cover that matches the shape and size of the circular groove. When the pop-out mechanism is not running, the top cover abuts against the circular groove, so that the support is sealed.

[0009] Optionally, the ejection mechanism is externally protected by a protective shell.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: Increased battery life

[0011] In this invention, when the loading process begins, workers place heavy objects on pallet 1. At this time, the elastic pressure plate 17 begins to deform, and the pressure sensor 19 receives the pressure, sending an electrical signal to the battery 20. The battery then supplies power to the electromagnetic slider 9, causing it to become magnetically charged. When there are no heavy objects, the electromagnetic slider 9 is engaged with the connecting rod 10 at the bottom of the connection point with the base 8 due to gravity. When fully magnetic, the electromagnetic slider 9 attracts the magnet 16, causing it to slide to the top. This causes the angle of the connecting rod 10 to gradually decrease, moving the support rod 11 outward from the support 4. This, in turn, causes the crank 12 to rotate clockwise, moving the positioning device 3. When the load is loaded onto the outside of the support 4, and the forklift moves the pallet 1, the pressure sensor 19 cannot detect the pressure. At this time, the battery 20 switch is turned off, and the electromagnetic slider 9 returns to its original position. At this time, the included angle of the connecting rod 10 gradually increases to nearly 180°, which drives the support rod 11 to move into the support 4, causing the crank 12 to rotate counterclockwise. This causes the crank 12 to move the positioning device 3 into the support 4. At this time, the top cover 22 abuts against the circular groove 21, and the support 4 returns to a sealed state. This gravity and ejection mechanism 2 linkage mechanism enables this utility model to solve the contradiction between metal shielding and physical protection, thereby ensuring both the signal quality and protection of the pallet 1.

[0012] In this invention, the piezoelectric ceramic plate 18 utilizes the piezoelectric effect to generate instantaneous high voltage and small current AC pulses when subjected to force, which can provide some power to the pressure sensor 19, thus extending the lifespan and improving the battery life of the tray 1's positioning function. Attached Figure Description

[0013] Figure 1 This is a front view schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a front view schematic diagram of the structure of the tray, ejection mechanism and positioning device in this utility model;

[0015] Figure 3 This is a schematic diagram of the support pier and the ejection mechanism of this utility model;

[0016] Figure 4 This is a front view schematic diagram of the pop-out mechanism in this utility model;

[0017] Figure 5 This is a rear view schematic diagram of the pop-out mechanism in this utility model;

[0018] Figure 6 This is a schematic diagram of the ejection mechanism and positioning device in this utility model;

[0019] In the picture:

[0020] 1. Pallet; 2. Pop-out mechanism; 3. Positioning device; 4. Support; 5. Ground beam; 6. Top beam; 7. Aluminum grating; 8. Base; 9. Electromagnetic slider; 10. Connecting rod; 11. Support rod; 12. Crank; 13. First connecting shaft; 14. Through beam hole; 15. Second connecting shaft; 16. Magnet; 17. Elastic bearing plate; 18. Piezoelectric ceramic sheet; 19. Pressure sensor; 20. Battery; 21. Circular groove; 22. Top cover; 23. Protective shell. Detailed Implementation

[0021] 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.

[0022] like Figures 1 to 6 As shown, this utility model provides a positionable aluminum pallet, characterized in that it includes a pallet 1, a pop-out mechanism 2, and a positioning device 3. The pallet 1 is composed of supports 4, bottom beams 5, top beams 6, and aluminum grating plates 7. The supports 4 are rectangular columns with hollow interiors. The bottom beams 5 are connected between the supports 4. The top beams 6 are connected to the top surface of the supports 4. The aluminum grating plates 7 are arrayed on the supports 4 and the top beams 6 to form the pallet 1. A pop-out mechanism 2 is provided on any one of the supports 4. The pop-out mechanism 2 is symmetrically installed according to the support 4. The positioning device 3 is located inside the support 4 and is connected to the pop-out mechanism 2.

[0023] Specifically, the bottom beam 5 is designed as a semi-circle, which results in more even stress distribution and a longer service life.

[0024] The pop-out mechanism 2 includes a base 8, an electromagnetic slider 9, a connecting rod 10, a support rod 11, and a crank 12. The base 8 is connected to the support 4, and the trapezoidal head of the base 8 faces the opposite direction to the bottom beam 5. The electromagnetic slider 9 is mounted on the base 8 and is slidable. There are two connecting rods 10, which are symmetrical about the left and right sides of the base 8. One end of the connecting rod 10 is connected to both sides of the trapezoidal head of the base 8, and the other end is connected to both sides of the electromagnetic slider 9. The connecting rods 10 are connected to each other by a first connecting shaft 13. The base 8 and the support 4 are provided with beam-through holes 14. One end of the support rod 11 is connected to the middle of the first connecting shaft 13, and the other end passes through the beam-through hole 14 and connects to the crank 12. The rotation point of the crank 12 is located on the second connecting shaft 15. The other end of the crank 12 is connected to the positioning device 3. Magnets 16 are provided on both sides of the top of the connection between the base 8 and the electromagnetic slider 9.

[0025] Specifically, in this utility model, when the logistics loading begins, the staff places heavy objects on the pallet 1. At this time, the elastic pressure plate 17 begins to deform, and the pressure sensor 19 receives the pressure, sending an electrical signal to the battery 20. The battery then supplies power to the electromagnetic slider 9, causing the electromagnetic slider 9 to become magnetic. When there are no heavy objects, the electromagnetic slider 9 is engaged with the bottom of the connection with the base 8 due to gravity and the connecting rod 10. When it becomes magnetic, the electromagnetic slider 9 will attract the magnet 16, causing the electromagnetic slider 9 to slide to the top. This causes the included angle of the connecting rod 10 to gradually decrease, causing the support rod 11 to move outward from the support 4, which in turn causes the crank 12 to rotate clockwise, thus driving the positioning device 3. When the pallet 1 is moved to the outside of the support 4 and the load is completed, the pressure sensor 19 cannot detect the pressure when the pallet 1 is moved by the forklift. At this time, the battery 20 switch is turned off and the electromagnetic slider 9 returns to its original position. At this time, the included angle of the connecting rod 10 gradually increases to nearly 180°, which drives the support rod 11 to move into the support 4, causing the crank 12 to rotate counterclockwise. This causes the crank 12 to move the positioning device 3 into the support 4. At this time, the top cover 22 abuts against the circular groove 21, and the support 4 returns to a sealed state. This gravity and ejection mechanism 2 linkage mechanism enables this utility model to solve the contradiction between metal shielding and physical protection, thus ensuring both the signal quality and protection of the pallet 1.

[0026] The pop-out mechanism 2 also includes an elastic pressure plate 17, a piezoelectric ceramic sheet 18, and a pressure sensor 19. The elastic pressure plate 17 is located at the connection between the support 4 and the aluminum grating plate 7. The elastic pressure plate 17 has piezoelectric ceramic sheets arranged in a circumferential array. The pressure sensor 19 is installed in the central recess of the elastic pressure plate 17. A battery 20 is installed inside the support 4. The battery 20 is connected to the piezoelectric ceramic sheet 18 and the electromagnetic slider 9 through wires.

[0027] Specifically, in this utility model, the piezoelectric ceramic sheet 18 utilizes the piezoelectric effect to generate instantaneous high voltage and small current AC pulses when subjected to force, which can provide some power to the pressure sensor 19, thus extending the lifespan and improving the battery life of the tray 1's positioning function.

[0028] The support 4 is provided with a circular groove 21, and the top of the positioning device 3 is provided with a top cover 22 that is consistent with the shape and size of the circular groove 21. When the pop-out mechanism is not running, the top cover 22 abuts against the circular groove 21, so that the support 4 is sealed.

[0029] The ejection mechanism 2 is externally protected by a protective shell 23.

[0030] The working principle and usage process of this utility model are as follows: When the logistics begins to be filled, the staff places the heavy object on the pallet 1. At this time, the elastic pressure plate 17 begins to deform, and the pressure sensor 19 receives the pressure, which sends an electrical signal to the battery 20. The battery then supplies power to the electromagnetic slider 9, making the electromagnetic slider 9 magnetic. When there is no heavy object, the electromagnetic slider 9 is engaged with the bottom end of the connection with the base 8 due to gravity and the connecting rod 10. When it is magnetic, the electromagnetic slider 9 will attract the magnet 16, causing the electromagnetic slider 9 to slide to the top. This causes the included angle of the connecting rod 10 to gradually decrease, causing the support rod 11 to move outward from the support 4, which in turn causes the crank 12 to rotate clockwise, causing the crank 12 to... When the positioning device 3 moves to the outside of the support 4, and the load is completed, the forklift rotates the pallet 1. At this time, the pressure sensor 19 cannot detect the pressure, so the battery 20 switch is turned off, and the electromagnetic slider 9 returns to its original position. At this time, the included angle of the connecting rod 10 gradually increases to nearly 180°, driving the support rod 11 to move into the support 4, causing the crank 12 to rotate counterclockwise. This causes the crank 12 to drive the positioning device 3 to move into the support 4. At this time, the top cover 22 abuts against the circular groove 21, and the support 4 returns to a sealed state. This gravity and ejection mechanism 2 linkage allows this utility model to solve the contradiction between metal shielding and physical protection, thus ensuring both the signal quality and protection of the pallet 1.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positionable aluminum tray, characterized in that, The device includes a tray (1), a pop-out mechanism (2), and a positioning device (3). The tray (1) is composed of a support (4), a bottom beam (5), a top beam (6), and an aluminum grating plate (7). The support (4) is a rectangular column with a hollow interior. The bottom beam (5) is connected between the supports (4). The top beam (6) is connected to the top surface of the support (4). The aluminum grating plate (7) is arranged in an array on the support (4) and the top beam (6) to form the tray (1). A pop-out mechanism (2) is provided on any one of the supports (4). The pop-out mechanism (2) is symmetrically installed according to the support (4) it is located on. The positioning device (3) is located inside the support (4) and is connected to the pop-out mechanism (2).

2. The positionable aluminum tray according to claim 1, characterized in that, The pop-out mechanism (2) includes a base (8), an electromagnetic slider (9), a connecting rod (10), a support rod (11), and a crank (12). The base (8) is connected to the support (4), and the trapezoidal head of the base (8) faces the opposite direction to the bottom beam (5). The electromagnetic slider (9) is mounted on the base (8) and is slidable. There are two connecting rods (10) that are symmetrical about the left and right sides of the base (8). One end of the connecting rod (10) is connected to both sides of the trapezoidal head of the base (8), and the other end is connected to the electromagnetic slider (11). The two sides of the slider (9) and the connecting rod (10) are connected by the first connecting shaft (13). The base (8) and the support (4) are provided with through beam holes (14). One end of the support rod (11) is connected to the middle of the first connecting shaft (13), and the other end passes through the through beam hole (14) and is connected to the crank (12). The rotating part in the middle of the crank (12) is set on the second connecting shaft (15). The other end of the crank (12) is connected to the positioning device (3). Magnets (16) are provided on both sides of the top of the connection between the base (8) and the electromagnetic slider (9).

3. A positionable aluminum tray according to claim 1, characterized in that, The pop-out mechanism (2) also includes an elastic bearing plate (17), a piezoelectric ceramic sheet (18), and a pressure sensor (19). The elastic bearing plate (17) is located at the connection between the support (4) and the aluminum grating plate (7). The elastic bearing plate (17) has a piezoelectric ceramic sheet arranged in a circumferential array. The pressure sensor (19) is installed in the central recess of the elastic bearing plate (17). A battery (20) is installed inside the support (4). The battery (20) is connected to the piezoelectric ceramic sheet (18) and the electromagnetic slider (9) through wires.

4. A positionable aluminum tray according to claim 1, characterized in that, The support (4) is provided with a circular groove (21), and the top of the positioning device (3) is provided with a top cover (22) that is consistent with the shape and size of the circular groove (21). When the pop-out mechanism is not running, the top cover (22) abuts against the circular groove (21), so that the support (4) is sealed.

5. A positionable aluminum tray according to claim 1, characterized in that, The ejection mechanism (2) is covered with a protective shell (23).