Cargo hoisting tray for logistics transportation

By designing a frame-structured cargo lifting pallet and employing support, protection, and positioning mechanisms, the problems of unstable fixation and insufficient anti-slip function of existing pallets have been solved. Stable support and protection have been achieved, adapting to the lifting needs of goods of different specifications and improving lifting stability and service life.

CN224029508UActive Publication Date: 2026-03-24TIANJIN HENGFENG HOISTING ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing cargo lifting pallets are unstable and easily damaged during use. They have poor anti-slip function and cannot effectively shield and protect goods, causing them to fall and shake during transportation. They are also unsuitable for goods of different sizes.

Method used

A cargo lifting pallet for logistics transportation has been designed. It adopts a frame structure, including a support mechanism, a protection mechanism, and a positioning mechanism. The support and positioning are achieved through the cooperation of wedge-shaped limiting grooves and inclined limiting steel bars. Stable fixation is achieved by combining anti-detachment crossbeams and positioning screws, which can adapt to the lifting needs of cargo of different specifications.

Benefits of technology

It achieves stable support and fixation of goods, avoids pallet damage and goods shaking, improves lifting stability and service life, and adapts to the lifting needs of goods of different specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cargo hoisting tray for logistics transportation, which comprises a tray bottom frame which is arranged to be of a frame type tray structure, and further comprises a bearing mechanism used for forming a double-bearing limiting structure, a protection mechanism used for forming a shielding anti-falling structure and a positioning mechanism used for forming an adjustable fixing structure, the supporting mechanism is arranged above the tray bottom frame, the protection mechanism is arranged at the end of the supporting mechanism, and the positioning mechanism is assembled on the inner side of the upper portion of the supporting mechanism. The lifting device has the advantages that the supporting mechanism is arranged, a wedge-shaped limiting groove is matched with limiting steel bars which are obliquely arranged to support and limit lifted goods, the structural stability is high, and the lifting device is convenient to use. In addition, a double-bearing limiting structure formed by the bearing mechanism and the tray bottom frame is high in bearing capacity and long in service life, the protection mechanism is arranged to be matched with the positioning mechanism, cargoes of different specifications can be hoisted and fixed, the cargoes are prevented from shaking in the hoisting process, and hoisting stability is high.
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Description

Technical Field

[0001] This utility model relates to the field of hoisting equipment technology, and in particular to a cargo hoisting pallet for logistics transportation. Background Technology

[0002] In existing technologies, lifting pallets are widely used in production, transportation, warehousing, and distribution. In modern production, the transportation of goods is unavoidable, and pallets are frequently used during this process because they facilitate transport, improve the placement, loading, and unloading of goods, and significantly increase timeliness and economic benefits. Lifting pallets not only enhance the efficiency and safety of logistics operations but also promote the standardization, mechanization, and informatization of logistics systems, making them an indispensable basic equipment in modern logistics. However, existing lifting pallets for cargo transportation suffer from drawbacks. The unstable securing of goods can easily lead to pallet damage, and their inadequate anti-slip properties make it difficult to protect goods, increasing the risk of goods falling during transport and causing problems, thus failing to meet usage requirements.

[0003] Chinese utility model patent application number 202220709732.8 discloses a lifting pallet for cargo transportation, including a pallet plate with a cavity on the pallet plate. A tube body is fixedly installed at the center of the bottom inner wall of the cavity. A spring-loaded mechanism is slidably mounted on the tube body. Connecting plates are hinged to the left and right sides of the spring-loaded mechanism. An L-shaped plate that is installed on the pallet plate is slidably mounted on the connecting plate. A lifting and blocking mechanism is slidably mounted on the top of the L-shaped plate. A lifting drive mechanism for adjusting the vertical position of the lifting and blocking mechanism is fixedly installed at the bottom of the L-shaped plate. Anti-slip pads are fixedly adhered to the sides of the two lifting and blocking mechanisms that are close to each other. An ejection mechanism is provided inside the tube body and fixedly installed on the bottom inner wall of the cavity. However, although this type of lifting pallet used for cargo transportation can shield and protect the goods, the side protection structure formed by the elastic connection between the tension spring and the L-shaped plate has poor stability. When the weight of the goods to be lifted is large, the tension spring is prone to failure, which can lead to damage to the lifting pallet. The service life is short, which affects the subsequent lifting operations. It is also impossible to lift and fix goods of different specifications, which may cause the goods to sway during the lifting process, resulting in poor lifting stability. Utility Model Content

[0004] The purpose of this utility model is to provide a cargo lifting pallet for logistics transportation.

[0005] To achieve the above objectives, the technical solution proposed by this utility model is as follows:

[0006] A cargo lifting pallet for logistics transportation includes a pallet base frame, which is configured as a frame-type pallet structure. It also includes a support mechanism for forming a double support and limiting structure, a protective mechanism for forming a shielding and anti-detachment structure, and a positioning mechanism for forming an adjustable fixing structure. The support mechanism is arranged above the pallet base frame, the protective mechanism is configured at the end of the support mechanism, and the positioning mechanism is assembled on the upper inner side of the support mechanism.

[0007] The support mechanism includes support columns, support side columns, and limiting components. Two sets of support columns are provided, each set consisting of two columns arranged side-by-side with spacing between them. The two sets of support columns are symmetrically arranged at the upper ends of the pallet base and fixedly connected to the pallet base. Two sets of support side columns are also provided, each set consisting of two side columns arranged side-by-side with spacing between them. The two sets of support side columns are respectively arranged between the lower parts of the two sets of support columns, and their ends are fixedly connected to the corresponding support columns. The two sets of support side columns and the two sets of support columns together constitute a support frame structure. Two sets of limiting components are provided, arranged side-by-side with spacing between them on the lower inner side of the support frame structure.

[0008] It also includes connecting legs and supporting columns. There are four connecting legs, which are respectively located at the four corners of the pallet base and fixedly connected to the pallet base. The supporting columns are fixedly connected to the pallet base through the connecting legs. There are four sets of supporting columns. Each set of supporting columns consists of two columns arranged side by side at intervals. The four sets of supporting columns are vertically arranged between the supporting columns and the pallet base, and their two ends are fixedly connected to the supporting columns and the pallet base, respectively.

[0009] It also includes reinforcing ribs, which are provided in two sets. Each set of reinforcing ribs consists of two ribs arranged side by side at intervals. The two sets of reinforcing ribs are respectively set between the two sets of supporting columns and the two sets of supporting side columns and are fixedly connected to the corresponding supporting columns and supporting side columns by screws.

[0010] The limiting assembly includes limiting beams and limiting steel bars. Several limiting beams are arranged side by side and spaced apart between two sets of supporting side columns, with their ends fixedly connected to the corresponding supporting side columns. The upper inner side of the limiting beam is provided with a wedge-shaped limiting groove. Two sets of limiting steel bars are arranged at an angle relative to each other inside the wedge-shaped limiting groove of the limiting beam and fixedly connected to the limiting beam. The ends of the limiting steel bars are fixedly connected to the supporting side columns.

[0011] The protective mechanism includes anti-detachment crossbeams and anti-detachment posts. There are two sets of anti-detachment crossbeams, which are arranged side by side at intervals on the upper inner side of one set of supporting pillars and their ends are fixedly connected to the corresponding supporting pillars. There are two sets of anti-detachment posts, each set of which consists of several vertically spaced posts. The two sets of anti-detachment posts are arranged side by side at the lower part of the two sets of anti-detachment crossbeams and their ends are fixedly connected to the corresponding anti-detachment crossbeams or supporting side pillars.

[0012] The positioning mechanism includes a positioning base plate, positioning screws, and a positioning pressure plate. The positioning base plate is disposed on the inner side of the anti-detachment crossbeam located below and is fixedly connected to the anti-detachment crossbeam. The positioning base plate and the tray base are arranged parallel to each other. There are two sets of positioning screws, which are arranged side by side and spaced apart on the positioning base plate and threaded through the positioning base plate. The positioning pressure plate is disposed at the lower end of the positioning screws and is rotatably connected to the positioning screws.

[0013] It also includes a positioning protective pad, which is disposed at the bottom of the positioning pressure plate and fixedly connected to the positioning pressure plate.

[0014] The protective mechanism and the positioning mechanism are each provided in two sets. The two sets of protective mechanisms are respectively set on the upper inner side of the two sets of supporting columns to form the side anti-detachment structure of the hoisting pallet. The two sets of positioning mechanisms are arranged side by side with intervals between the two sets of limiting components.

[0015] It also includes a hoisting beam, which is set on the upper inner side of the two sets of protective mechanisms and its two ends are respectively fixedly connected to the corresponding anti-detachment beam. The hoisting beam is provided with a hoisting base.

[0016] The beneficial effects of this utility model are:

[0017] Equipped with a support mechanism, which uses wedge-shaped limiting grooves and inclined limiting steel bars to support and limit the hoisted goods, the structure has strong stability and will not fail. Furthermore, the double support and limiting structure formed by the support mechanism and the pallet bottom frame has strong load-bearing capacity and long service life. With the cooperation of the protective mechanism and the positioning mechanism, it can hoist and fix goods of different specifications, avoid the goods from shaking during hoisting, and has strong hoisting stability. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the cooperation between the support mechanism and the pallet base frame of this utility model;

[0020] Figure 3This is a schematic diagram of the cooperation between the limiting steel bar and the supporting side column of this utility model.

[0021] In the diagram: 1. Pallet base frame; 2. Support column; 3. Support side column; 4. Connecting leg; 5. Supporting bottom column; 6. Reinforcing rib plate; 7. Limiting beam frame; 8. Limiting bar steel; 9. Anti-detachment crossbeam; 10. Anti-detachment stop column; 11. Positioning base plate; 12. Positioning screw; 13. Positioning pressure plate; 14. Positioning protective pad; 15. Lifting crossbeam. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings.

[0023] A cargo lifting pallet for logistics transportation includes a pallet base frame 1, which is configured as a frame-type pallet structure. It also includes a support mechanism forming a double-support and limiting structure, a protective mechanism forming a shielding and anti-detachment structure, and a positioning mechanism forming an adjustable fixing structure. The support mechanism is arranged above the pallet base frame 1, the protective mechanism is located at the end of the support mechanism, and the positioning mechanism is mounted on the upper inner side of the support mechanism. A schematic diagram of the overall structure of this utility model is shown below. Figure 1 As shown.

[0024] The support mechanism includes support columns 2, support side columns 3, and limiting components. There are two sets of support columns 2, each consisting of two columns arranged side-by-side with spacing between them. The two sets of support columns 2 are symmetrically positioned at the upper ends of the pallet base frame 1 and fixedly connected to it. There are also two sets of support side columns 3, each consisting of two side columns arranged side-by-side with spacing between them. The two sets of support side columns 3 are respectively positioned between the lower parts of the two sets of support columns 2, and their ends are fixedly connected to the corresponding support columns 2. The two sets of support side columns 3 and the two sets of support columns 2 together constitute the support frame structure. There are also two sets of limiting components, arranged side-by-side with spacing between them on the support frame. On the lower inner side of the frame structure, the support mechanism, through the cooperation of support pillars 2, support side pillars 3, and limiting components, forms a double support structure, thereby providing support for the goods. The support pillars 2 form the pillar structure at the corners of the pallet base frame 1, providing installation support for the support side pillars 3 and the protective mechanism. The support side pillars 3 form the frame structure above the pallet base frame 1, providing installation support for the limiting components. The limiting components, together with the support side pillars 3 and the pallet base frame 1, form a double support structure, providing support for the goods and limiting the movement of the goods. A schematic diagram of the cooperation between the support mechanism and the pallet base frame 1 is shown below. Figure 2 As shown.

[0025] It also includes connecting legs 4 and supporting columns 5. There are four connecting legs 4, which are respectively located at the four corners of the pallet base frame 1 and fixedly connected to the pallet base frame 1. The supporting columns 2 are fixedly connected to the pallet base frame 1 through the connecting legs 4. There are four sets of supporting columns 5, each set of supporting columns 5 consisting of two columns arranged side by side at intervals. The four sets of supporting columns 5 are vertically arranged between the supporting side columns 3 and the pallet base frame 1, and their two ends are fixedly connected to the supporting side columns 3 and the pallet base frame 1 respectively. The connecting legs 4 are used as the connecting structure between the pallet base frame 1 and the supporting columns 2, thereby realizing the installation connection between the pallet base frame 1 and the supporting columns 2. The connecting legs 4 can also serve as the support structure for lifting the corner of the pallet, thereby providing support for lifting the pallet. The supporting columns 5 are used as the support structure between the pallet base frame 1 and the supporting side columns 3, thereby improving the installation stability between the supporting side columns and the pallet base frame 1.

[0026] It also includes reinforcing ribs 6, which are provided in two sets. Each set of reinforcing ribs 6 consists of two ribs arranged side by side at intervals. The two sets of reinforcing ribs 6 are respectively set between the two sets of supporting columns 2 and the two sets of supporting side columns 3 and are fixedly connected to the corresponding supporting columns 2 and supporting side columns 3 by screws. The reinforcing ribs 6 are used as a reinforcing structure between the supporting columns 2 and the supporting side columns 3, thereby further improving the installation stability of the supporting structure.

[0027] The limiting component includes limiting beams 7 and limiting steel bars 8. Several limiting beams 7 are arranged side-by-side and spaced apart between two sets of supporting side columns 3, with both ends fixedly connected to the corresponding supporting side columns 3. A wedge-shaped limiting groove is provided on the upper inner side of the limiting beams 7. Two sets of limiting steel bars 8 are arranged at relative inclinations inside the wedge-shaped limiting grooves of the limiting beams 7 and fixedly connected to the limiting beams 7. The ends of the limiting steel bars 8 are fixedly connected to the supporting side columns 3. The limiting component, through the cooperation of the limiting beams 7 and the limiting steel bars 8, forms a supporting and limiting structure, thereby providing support for the goods while limiting their movement. Specifically, the limiting beams 7 provide installation support for the limiting steel bars 8 through the wedge-shaped limiting grooves. The limiting steel bars 8, under the action of the wedge-shaped limiting grooves, form a relatively inclined limiting structure, thereby limiting the movement of the goods. A schematic diagram of the cooperation between the limiting steel bars 8 and the supporting side columns 3 is shown below. Figure 3 As shown.

[0028] The protective mechanism includes anti-detachment beams 9 and anti-detachment posts 10. There are two sets of anti-detachment beams 9, which are arranged side by side at intervals on the upper inner side of one of the supporting pillars 2 and their ends are fixedly connected to the corresponding supporting pillars 2. There are two sets of anti-detachment posts 10, each set of which consists of several vertically spaced posts. The two sets of anti-detachment posts 10 are arranged side by side at the lower part of the two sets of anti-detachment beams 9 and their ends are fixedly connected to the corresponding anti-detachment beams 9 or supporting side pillars 3. The protective mechanism, through the cooperation of the anti-detachment beams 9 and the anti-detachment posts 10, forms the side protection structure at the upper end of the pallet base frame 1, thereby cooperating with the limiting component to prevent the goods from falling off. The anti-detachment beams 9 are used to provide installation support for the anti-detachment posts 10, and the anti-detachment posts 10 are used together with the anti-detachment beams 9 to form a frame-like anti-detachment structure to cooperate with the limiting component to prevent the goods from falling off.

[0029] The positioning mechanism includes a positioning base plate 11, positioning screws 12, and a positioning pressure plate 13. The positioning base plate 11 is disposed inside the lower anti-detachment beam 9 and is fixedly connected to the anti-detachment beam 9. The positioning base plate 11 and the tray base frame 1 are arranged parallel to each other. Two sets of positioning screws 12 are arranged side by side and spaced apart on the positioning base plate 11 and threaded through the positioning base plate 11. The positioning pressure plate 13 is disposed at the lower end of the positioning screws 12 and is rotatably connected to the positioning screws 12. The positioning mechanism is based on the positioning base plate 13. The plate 11, the positioning screw 12, and the positioning pressure plate 13 cooperate to form an adjustable positioning structure to cooperate with the limiting component to position the goods. The positioning plate 11 is used to provide mounting support for the positioning screw 12, and the positioning screw 12 is used to provide mounting support for the positioning pressure plate 13. Through the relative rotation between the positioning plate 11 and the positioning plate 12, the positioning pressure plate 13 is driven to lift and lower. The positioning pressure plate 13 is used to lift and lower under the drive of the positioning screw 12 to press the goods, thereby cooperating with the limiting component to position the goods.

[0030] It also includes a positioning protective pad 14, which is disposed at the bottom of the positioning pressure plate 13 and fixedly connected to the positioning pressure plate 13. The positioning protective pad 14 serves as a protective structure at the bottom of the positioning pressure plate 13. The positioning protective pad 14 adopts a flexible protective pad structure to prevent the positioning pressure plate 13 from causing rigid collision with the goods and damaging the goods when positioning them.

[0031] The protective mechanism and the positioning mechanism are each provided in two sets. The two sets of protective mechanisms are respectively set on the upper inner side of the two sets of supporting columns 2 to form the side anti-detachment structure of the hoisting pallet. The two sets of positioning mechanisms are arranged side by side with the two sets of limiting components at intervals on the inner side of the two sets of protective mechanisms. The two sets of protective mechanisms and the two sets of positioning mechanisms can simultaneously position and protect two sets of goods of different specifications, thereby meeting the needs of hoisting goods of different specifications at the same time.

[0032] It also includes a lifting beam 15, which is set on the upper inner side of the two sets of protective mechanisms and its two ends are respectively fixedly connected to the corresponding anti-detachment beams 9. The lifting beam 15 is provided with a lifting base. The lifting beam 15 is used as a lifting structure on the lifting pallet to meet the lifting requirements of the lifting pallet.

[0033] In this technical solution, the number of each component can be adjusted according to actual usage requirements.

[0034] Working principle:

[0035] When it is necessary to lift goods, place the goods inside the limiting component of the supporting mechanism. The limiting component limits the goods. Then, rotate the positioning screw 12 to drive the positioning pressure plate 13 to descend and press and position the goods. The two positioning mechanisms can press and position two sets of goods of different specifications at the same time. Then, the lifting equipment lifts the lifting pallet through the lifting beam 15. During the lifting process, the protective mechanism, as a side anti-detachment structure, can prevent the goods from falling off the lifting pallet.

[0036] The beneficial effects of this utility model are that it is equipped with a support mechanism, which uses a wedge-shaped limiting groove and an inclined limiting bar to support and limit the hoisted goods. The structure has strong stability and will not fail. Furthermore, the double support and limiting structure formed by the support mechanism and the pallet bottom frame has strong load-bearing capacity and long service life. It is equipped with a protective mechanism and a positioning mechanism to hoist and fix goods of different specifications, avoid the goods from shaking during hoisting, and has strong hoisting stability.

[0037] The above description details one embodiment of the present utility model, but it is merely a preferred embodiment and should not be construed as limiting the scope of the present utility model. All equivalent variations and improvements made within the scope of the present utility model application should still fall within the patent coverage of the present utility model.

Claims

1. A goods hoisting pallet for logistics transport, comprising a pallet chassis (1) which is arranged as a framed pallet structure, characterized in that It also includes a support mechanism for forming a double support and limiting structure, a protective mechanism for forming a shielding and anti-detachment structure, and a positioning mechanism for forming an adjustable fixing structure. The support mechanism is arranged above the pallet base (1), the protective mechanism is arranged at the end of the support mechanism, and the positioning mechanism is assembled on the upper inner side of the support mechanism. The supporting mechanism includes supporting pillars (2), supporting side pillars (3), and limiting components. There are two sets of supporting pillars (2), each set of supporting pillars (2) consists of two pillars arranged side by side with intervals. The two sets of supporting pillars (2) are symmetrically arranged at the upper part of both ends of the pallet base frame (1) and are fixedly connected to the pallet base frame (1). There are two sets of supporting side pillars (3), each set of supporting side pillars (3) consists of two side pillars arranged side by side with intervals. The two sets of supporting side pillars (3) are respectively arranged between the lower parts of the two sets of supporting pillars (2) and their two ends are fixedly connected to the corresponding supporting pillars (2). The two sets of supporting side pillars (3) and the two sets of supporting pillars (2) together constitute the supporting frame structure. There are two sets of limiting components, the two sets of limiting components are arranged side by side with intervals on the lower inner side of the supporting frame structure.

2. The cargo hoist pallet for use in logistics transportation according to claim 1, characterized in that, It also includes connecting legs (4) and supporting columns (5). There are four connecting legs (4), which are respectively located at the four corners of the pallet base (1) and fixedly connected to the pallet base (1). The supporting column (2) is fixedly connected to the pallet base (1) through the connecting legs (4). There are four sets of supporting columns (5). Each set of supporting columns (5) consists of two columns arranged side by side at intervals. The four sets of supporting columns (5) are vertically arranged between the supporting side column (3) and the pallet base (1), and their two ends are fixedly connected to the supporting side column (3) and the pallet base (1) respectively.

3. A cargo lifting pallet for logistics transportation as described in claim 2, characterized in that, It also includes reinforcing ribs (6), which are provided in two sets. Each set of reinforcing ribs (6) consists of two ribs arranged side by side at intervals. The two sets of reinforcing ribs (6) are respectively set between the two sets of supporting columns (2) and the two sets of supporting side columns (3) and are fixedly connected to the corresponding supporting columns (2) and supporting side columns (3) by screws.

4. A cargo lifting pallet for logistics transportation as described in claim 3, characterized in that, The limiting component includes a limiting beam (7) and limiting steel bars (8). Several limiting beams (7) are provided, and the several limiting beams (7) are arranged side by side and spaced between two sets of supporting side columns (3), and their two ends are respectively fixedly connected to the corresponding supporting side columns (3). The upper inner side of the limiting beam (7) is provided with a wedge-shaped limiting groove. Two sets of limiting steel bars (8) are provided, and the two sets of limiting steel bars (8) are arranged relatively inclined inside the wedge-shaped limiting groove of the limiting beam (7) and fixedly connected to the limiting beam (7). The end of the limiting steel bar (8) is fixedly connected to the supporting side column (3).

5. A cargo lifting pallet for logistics transportation as described in claim 4, characterized in that, The protective mechanism includes anti-detachment crossbeams (9) and anti-detachment posts (10). There are two sets of anti-detachment crossbeams (9). The two sets of anti-detachment crossbeams (9) are arranged side by side at intervals on the upper inner side of one set of supporting pillars (2) and their ends are fixedly connected to the corresponding supporting pillars (2). There are two sets of anti-detachment posts (10). Each set of anti-detachment posts (10) consists of several vertically spaced posts. The two sets of anti-detachment posts (10) are arranged side by side at the lower part of the two sets of anti-detachment crossbeams (9) and their ends are fixedly connected to the corresponding anti-detachment crossbeams (9) or the supporting side posts (3).

6. A cargo lifting pallet for logistics transportation as described in claim 5, characterized in that, The positioning mechanism includes a positioning base plate (11), a positioning screw (12), and a positioning pressure plate (13). The positioning base plate (11) is disposed on the inner side of the anti-detachment beam (9) located below and is fixedly connected to the anti-detachment beam (9). The positioning base plate (11) and the tray base frame (1) are arranged parallel to each other. There are two sets of positioning screws (12). The two sets of positioning screws (12) are arranged side by side and spaced apart on the positioning base plate (11) and are threaded through the positioning base plate (11) and connected to the positioning base plate (11). The positioning pressure plate (13) is disposed at the lower end of the positioning screw (12) and is rotatably connected to the positioning screw (12).

7. A cargo lifting pallet for logistics transportation as described in claim 6, characterized in that, It also includes a positioning protective pad (14), which is disposed at the bottom of the positioning pressure plate (13) and fixedly connected to the positioning pressure plate (13).

8. A cargo lifting pallet for logistics transportation as described in claim 7, characterized in that, The protective mechanism and the positioning mechanism are provided in two sets. The two sets of protective mechanisms are respectively set on the upper inner side of the two sets of supporting pillars (2) to form the side anti-detachment structure of the hoisting pallet. The two sets of positioning mechanisms are arranged side by side with intervals between the two sets of limiting components.

9. A cargo lifting pallet for logistics transportation as described in claim 8, characterized in that, It also includes a hoisting beam (15), which is set on the upper inner side of the two sets of protective mechanisms and its two ends are respectively fixedly connected to the corresponding anti-detachment beam (9). The hoisting beam (15) is provided with a hoisting base.

Citation Information

Patent Citations

  • Hoisting tray for cargo transportation

    CN216862166U