Main lifting portal frame assembly structure of man ascending three-way stacking machine

By optimizing the structure and connection method of the three-way stacker gantry, using the precise coordination between the main roller and the channel steel wing plate and the design of neutral plates, the problem of insufficient stability and bearing properties of the gantry in the prior art is solved, and more efficient and stable cargo storage and equipment operation are achieved.

CN222846408UActive Publication Date: 2025-05-09HELI IND VEHICLES (PANJIN) CO LTD +1
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Patent Information

Application Number
CN202421867696.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-05-09
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

The existing three-way stacker gantry rollers have clearance and separation caused by violent vibration during long-term operation, which affects the stability and load-bearing capacity of the equipment. Inadequate coordination between the gantry causes rolling, making it difficult to meet the needs of modern warehousing and logistics.

Method used

A main lifting gantry assembly structure of a human upward three-way stacker is designed, including an inner gantry, a middle gantry and an outer gantry. The rotatable main roller and intermediate roller are arranged on the outside. The main roller is cooperated with the channel steel wing plate, and the neutral plate design prevents the gantry from rolling.

Benefits of technology

It improves the load-bearing capacity and stability of the gantry, enables the stacker to operate stably under high speed and high load conditions, ensures the accuracy and efficiency of cargo storage and access, enhances the overall stability and safety of the equipment, and extends the service life of the equipment.

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Abstract

The main lifting gantry assembly structure comprises an inner gantry, a middle gantry and an outer gantry, rotatable main idler wheels are arranged on the outer sides of the inner gantry, the middle gantry and the outer gantry, middle idler wheels are arranged on the inner gantry, the middle gantry and the outer gantry, and the inner gantry, the middle gantry and the outer gantry are connected with the main idler wheels. The main rollers are matched with channel steel wing plates on the inner portal frame, the middle portal frame and the outer portal frame, so that the stability of the lifting process is ensured; a first middle vertical plate is arranged on the inner side of the middle of the outer door frame, the first middle vertical plate is matched with a middle roller on the middle door frame in a rolling mode, second middle vertical plates are arranged on the inner side and the outer side of the middle of the middle door frame respectively, and the second middle vertical plate on the outer side is matched with the middle roller on the middle door frame in a rolling mode. The second middle vertical plate on the inner side is matched with a middle roller of the inner portal frame; according to the main lifting gantry assembly structure of the person ascending three-way stacking machine, the problems that an existing gantry design is insufficient in bearing capacity and stability, and the modern warehouse logistics requirement is difficult to meet are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of warehousing and logistics equipment, in particular to a main lifting gantry assembly structure of a man-mounted three-way stacker. Background Art

[0002] A three-way stacker is a vehicle whose forks can pick up and stack goods in three directions: the front, the left, and the right. A three-way stacker can complete the handling and stacking operations at the same time. It has a fast operating speed, can save time and improve work efficiency. A three-way stacker can travel in narrow aisles and can store goods on denser shelves, thereby increasing storage density.

[0003] The stability and precision of the main lifting gantry as one of the core components of the stacker directly affect the overall performance of the stacker. The rollers in the design of the stacker gantry in the prior art are prone to cause play and separation due to severe vibration during long-term operation, which in turn affects the stability of the stacker. Insufficient coordination between the gantries can easily cause the gantries to tilt, further affecting the stability and load-bearing capacity of the stacker. Therefore, the existing gantry design is insufficient in load-bearing capacity and stability, and can no longer meet the needs of modern warehousing and logistics. Utility Model Content

[0004] The purpose of the utility model is to provide a main lifting gantry assembly structure of a three-way stacker with a person walking up, so as to solve the problem in the prior art that the rollers of the stacker gantry are prone to play and separation due to severe vibration during long-term operation, thereby affecting the stability of the stacker, and the insufficient coordination between the gantry frames is prone to cause the lateral tilt between the gantry frames, further affecting the stability and load-bearing capacity of the stacker. The existing gantry design is insufficient in load-bearing capacity and stability, and it is difficult to meet the needs of modern warehousing and logistics.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a main lifting gantry assembly structure of a manned three-way stacker, comprising an inner gantry, a middle gantry and an outer gantry, wherein the outer sides of the inner gantry, the middle gantry and the outer gantry are provided with rotatable main rollers, and the inner gantry, the middle gantry and the outer gantry are provided with intermediate rollers, and the main rollers cooperate with the channel steel wing plates on the inner gantry, the middle gantry and the outer gantry to ensure the stability of the lifting process; and

[0006] A first neutral plate is arranged on the inner middle side of the outer mast, and the first neutral plate rolls in cooperation with the middle roller on the middle mast. Second neutral plates are arranged on the inner and outer middle sides of the middle mast, and the outer second neutral plate rolls in cooperation with the middle roller of the middle mast, and the inner second neutral plate cooperates with the middle roller of the inner mast.

[0007] Preferably, the first neutral plate is fixedly connected to the middle inner side of the outer door frame.

[0008] Preferably, rotatable intermediate rollers are fixed in the middle of the inner mast, the middle mast and the outer mast.

[0009] Preferably, a second neutral plate is fixedly connected to the inner side and the outer side of the middle of the middle door frame respectively.

[0010] Preferably, a third neutral plate is fixedly connected to the inner side and the outer side of the middle of the inner door frame respectively.

[0011] Preferably, the third neutral plate on the outer side of the inner mast cooperates with the middle roller of the middle mast to roll, and the third neutral plate on the inner side of the middle mast cooperates with the middle roller of the external cab trailer.

[0012] Preferably, a main roller retaining ring is also provided on the main roller.

[0013] Preferably, an intermediate roller retaining ring is also provided on the intermediate roller.

[0014] It can be seen from the above technical solution that the utility model has the following beneficial effects:

[0015] The main lifting gantry assembly structure of the three-way stacker is optimized for the gantry structure and connection mode, which improves the load-bearing capacity and stability of the gantry, allowing the stacker to operate stably at high speed and high load. The precise matching design between the main roller and the channel steel wing plate ensures the stability and precision during the lifting process, and improves the accuracy and efficiency of cargo access. The design of the first neutral plate, the second neutral plate and the third neutral plate effectively prevents the lateral roll between the gantry and improves the overall stability and safety of the equipment. The mating surfaces, i.e. the inner side of the channel steel wing plate and both sides of the neutral plate, are all processed after welding to ensure the matching accuracy, improve the overall performance and service life of the equipment, and solve the problem in the prior art that the stacker gantry rollers are prone to play and separation due to severe vibration during long-term operation, which in turn affects the stability of the stacker. Insufficient coordination between the gantries can easily cause the gantries to tilt, further affecting the stability and load-bearing capacity of the stacker. The existing gantry design is insufficient in load-bearing capacity and stability, and it is difficult to meet the needs of modern warehousing and logistics. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure separation of the utility model;

[0017] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0018] In the figure: 1, inner door frame; 2, middle door frame; 3, outer door frame; 4, main roller; 5, middle roller; 6, first neutral plate; 7, second neutral plate; 8, third neutral plate; 9, main roller retaining ring; 10, middle roller retaining ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figure 1 and Figure 2 As shown, a main lifting gantry assembly structure of a manned three-way stacker includes an inner gantry 1, a middle gantry 2, an outer gantry 3, a main roller 4, an intermediate roller 5, a first neutral plate 6 and a second neutral plate 7. The outer sides of the inner gantry 1, the middle gantry 2 and the outer gantry 3 are provided with rotatable main rollers 4, and the inner gantry 1, the middle gantry 2 and the outer gantry 3 are provided with intermediate rollers 5. The main rollers 4 cooperate with the channel steel wing plates on the inner gantry 1, the middle gantry 2 and the outer gantry 3 to ensure the stability of the lifting process. A first neutral plate 6 is provided on the inner side of the middle of the outer gantry 3, and the first neutral plate 6 rolls with the intermediate roller 5 on the middle gantry 2. The inner and outer sides of the middle gantry 2 are respectively provided with second neutral plates 7, and the outer second neutral plate 7 cooperates with the intermediate roller 5 of the middle gantry 2. The second neutral plate 7 on the inside cooperates with the middle roller 5 of the inner door frame 1. By optimizing the structure and connection method of the stacker frame, the load-bearing capacity and stability of the frame are improved, so that the stacker can operate stably under high speed and high load. The precise matching design between the main roller 4 and the channel steel wing plate ensures the stability and precision during the lifting process, improves the accuracy and efficiency of cargo access, and the design of the neutral plate effectively prevents lateral roll between the door frames, improves the overall stability and safety of the equipment. All surfaces on the door frames that cooperate with the main rollers and the middle rollers, that is, the inner side of the channel steel wing plate and both sides of the neutral plate, are processed after welding to ensure the matching accuracy and improve the overall performance and service life of the equipment.

[0021] like Figure 1 and Figure 2As shown, the outer sides of the inner mast 1, the middle mast 2 and the outer mast 3 are respectively equipped with a main roller 4 without side rollers, and the main roller 4 cooperates with the channel steel wing plate to realize the dominant lifting function. The cooperation between the main roller 4 and the channel steel wing plate has been precisely designed to ensure stability and accuracy during the lifting process. The first neutral plate 6 is fixedly connected to the inner middle side of the outer mast 3, and the first neutral plate 6 is welded to the inner middle side of the outer mast 3. A first neutral plate 6 is welded to the inner middle side of the outer mast 3. The first neutral plate 6 cooperates with the middle roller 5 of the middle mast 2 to prevent the outer mast 3 from tilting laterally relative to the middle mast 2. The design of the first neutral plate 6 can effectively enhance the connection stability between the masts and reduce the risk of tilting. A rotatable middle roller 5 is fixed in the middle of the inner mast 1, the middle mast 2 and the outer mast 3, and the inner and outer sides of the middle of the middle mast 2 are respectively fixedly connected with A second neutral plate 7 is welded to the inner and outer sides of the middle of the middle mast 2, and a second neutral plate 7 is respectively welded to the inner and outer sides of the middle of the middle mast 2, wherein the outer second neutral plate cooperates with the middle roller 5 of the outer mast 3, and the inner second neutral plate 7 cooperates with the middle roller 5 of the inner mast 1. This design enables the middle mast 2 to be stably connected to the inner mast 1 and the outer mast 3 at the same time, thereby improving the stability of the overall structure. The third neutral plate 8 on the outer side of the inner mast 1 cooperates with the middle roller 5 of the middle mast 2 to roll, and a third neutral plate 8 is also welded to the inner and outer sides of the middle of the inner mast 1, wherein the outer third neutral plate 8 cooperates with the middle roller 5 of the middle mast 2, and the inner third neutral plate 8 cooperates with the middle roller 5 of the cab trailer. This design enables the inner mast 1 to remain stable when bearing loads, while ensuring the stability and safety of the cab trailer.

[0022] A main roller retaining ring 9 is also provided on the main roller 4, and an intermediate roller retaining ring 10 is also provided on the intermediate roller 5. The surfaces on the portal frame that cooperate with the main roller 4 and the intermediate roller 5, that is, the inner side of the channel steel wing plate and both sides of the neutral plate are all obtained by welding to ensure accuracy and flatness, thereby improving the cooperation accuracy and stability between the portal frames.

[0023] During the specific implementation process, the inner mast 1, the middle mast 2 and the outer mast 3 are made of high-strength, wear-resistant and corrosion-resistant steel to ensure that the masts have sufficient load-bearing capacity and service life. The various components of the mast are precisely processed and assembled to ensure that the overall structure of the mast is stable and reliable. The main roller 4, the intermediate roller 5 and other components are installed on the mast and debugged to ensure that the main roller 4 and the intermediate roller 5 are in good contact with the mating surface without sticking. The installed mast assembly is tested for operation, including lifting, lowering, moving and other actions, to check the stability and reliability of the mast.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A main lifting gantry assembly structure of a manned three-way stacker, characterized in that: The utility model comprises an inner mast (1), a middle mast (2) and an outer mast (3), wherein the outer sides of the inner mast (1), the middle mast (2) and the outer mast (3) are provided with rotatable main rollers (4), and the inner mast (1), the middle mast (2) and the outer mast (3) are provided with intermediate rollers (5), and the main rollers (4) cooperate with the channel steel wing plates on the inner mast (1), the middle mast (2) and the outer mast (3) to ensure the stability of the lifting process; and A first neutral plate (6) is arranged on the inner middle side of the outer door frame (3), and the first neutral plate (6) rolls in cooperation with the middle roller (5) on the middle door frame (2). Second neutral plates (7) are arranged on the inner and outer middle sides of the middle door frame (2), and the outer second neutral plate (7) rolls in cooperation with the middle roller (5) of the middle door frame (2), and the inner second neutral plate (7) cooperates with the middle roller (5) of the inner door frame (1).

2. The main lifting gantry assembly structure of a manned three-way stacker according to claim 1 is characterized by: The first neutral plate (6) is fixedly connected to the middle inner side of the outer door frame (3).

3. The main lifting gantry assembly structure of a manned three-way stacker according to claim 1 is characterized by: A rotatable middle roller (5) is fixed in the middle of the inner door frame (1), the middle door frame (2) and the outer door frame (3).

4. The main lifting gantry assembly structure of a manned three-way stacker according to claim 1 is characterized by: A second neutral plate (7) is fixedly connected to the inner side and the outer side of the middle of the middle door frame (2) respectively.

5. The main lifting gantry assembly structure of a manned three-way stacker according to claim 1 is characterized by: A third neutral plate (8) is fixedly connected to the inner side and the outer side of the middle of the inner door frame (1), respectively.

6. The main lifting gantry assembly structure of a manned three-way stacker according to claim 5 is characterized by: The third neutral plate (8) on the outside of the inner mast (1) cooperates with the middle roller (5) of the middle mast (2) for rolling, and the third neutral plate (8) on the inside of the middle mast (2) cooperates with the middle roller (5) of the external cab trailer.

7. The main lifting gantry assembly structure of a manned three-way stacker according to claim 1 is characterized by: The main roller (4) is also provided with a main roller retaining ring (9).

8. The main lifting gantry assembly structure of a manned three-way stacker according to claim 1 is characterized by: The intermediate roller (5) is also provided with an intermediate roller retaining ring (10).