Automatic quayside container crane

By introducing a movable machine room and tilting column buffer structure into the quay container crane, the stability problem of the crane when grabbing heavy containers is solved, improving operational safety and loading and unloading efficiency.

CN223704969UActive Publication Date: 2025-12-23WUXI HUADONG HEAVY MACHINERY
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Patent Information

Application Number
CN202520186354.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2025-12-23
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

Existing quayside container cranes suffer from poor overall stability when lifting containers due to fixed counterweights, especially when handling heavy containers, which limits their operating range and loading/unloading efficiency.

Method used

The machine room adopts a movable structure, which is driven by hydraulic cylinders to stop at any position on the support base, adjust the center of gravity of the crane, and improve the overall stability and working range by combining inclined columns and buffer structure.

Benefits of technology

It improves stability and safety when handling heavy containers, reduces shaking and vibration, expands the operating range, and increases loading and unloading efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223704969U_ABST
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Abstract

The utility model relates to an automatic quayside container crane which comprises two lower cross beams, stand columns are arranged on the lower cross beams, a main beam is arranged on the stand columns, a supporting seat is arranged on the main beam, two hollow plates are arranged on the supporting seat, and a movable chassis is arranged between the two hollow plates in a sliding mode. Two corners of the movable chassis extend outwards to form an L shape, and a machine room is arranged on the movable chassis; the machine room is driven to be parked at any position on the supporting seat through stretching and retracting of the oil cylinder, so that the center-of-gravity position of the crane can be adjusted by the machine room, the crane is more stable in the operation process, particularly when a heavy container is treated, shaking and vibration of the stable crane are reduced, and the operation safety is improved; meanwhile, the crane can obtain larger supporting force by moving the machine room, so that the operation range of the crane is expanded, the crane can process containers farther away from a main body of the crane, and the loading and unloading efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the crane equipment technical field relates to an automatic shore container crane. BACKGROUND

[0002] The shore container crane is the most core container handling tool applied in the port; after the cargo ship is docked, the shore container crane needs to grab the container on the ship to the land or grab the container on the land to the cargo ship; however, the weight of dozens or hundreds of tons after the container is loaded with goods seriously tests the overall stability of the shore container crane; at present, the shore container crane usually has one end as a free end, needs to extend to the upper of the cargo ship, so that the lifting appliance can slide to the upper of the cargo ship to grab or place the container; when the lifting appliance grabs the container close to the free end, the moment of the main beam of the crane is maximum, and the instability is strongest, and the reason is that the counterweight of the current shore container crane is usually arranged at the fixed position, and the grabbable container mass range of the crane is limited. SUMMARY

[0003] The utility model discloses a kind of automatic shore container cranes, can solve the problems raised in background art.

[0004] According to the technical scheme provided by the utility model: an automatic shore container crane, including two lower cross beams, the lower cross beam is equipped with stand, the stand is equipped with main beam, the main beam is equipped with support seat, the support seat is equipped with two hollow plates, two hollow plates are equipped with mobile chassis and slide, two corners of the mobile chassis are outwardly extended, and form L shape, the mobile chassis is equipped with machine room;The support seat is equipped with two oil cylinders, the output end of the oil cylinder is connected with mobile chassis respectively, and under the impetus of oil cylinder, machine room is moved.

[0005] Preferably, the main beam is provided with a sliding groove, and a trolley is slidably arranged between the two sliding grooves, the lower end of the trolley is provided with at least two lifting ropes, the lower end of the lifting rope is provided with a lifting frame, and the lifting frame is used to grab the container.

[0006] Preferably, the main beam is provided with a support beam, and a cross beam is commonly arranged on the two support beams, the cross beam is provided with four pull rods, and the other end of each pull rod is connected with the end of the main beam.

[0007] Preferably, the stand is inclined and curved outward to ensure that every two opposite stands form an eight-character structure, further improving the overall stability.

[0008] Preferably, the support base is provided with at least two first buffers, the first buffers are provided with first buffer plates, and the two ends of the first buffer plates are slidably connected with the sliding grooves respectively.

[0009] Preferably, the A ends of the main beams are provided with connecting plates, the connecting plates are provided with at least two second buffers, the second buffers are provided with second buffer plates, and the two ends of the second buffer plates are slidably connected with the sliding grooves respectively.

[0010] The positive progress effect of the application is that:

[0011] The automatic shore-based container crane has the following advantages:

[0012] 1. The oil cylinder is telescopic to drive the machine room to be parked at any position on the support base, so that the machine room can adjust the gravity center position of the crane, and the crane is more stable during operation, especially when handling heavy containers, the stable crane reduces shaking and vibration, and operation safety is improved; meanwhile, by moving the machine room, the crane can obtain greater support force, thereby expanding its operation range, so that the crane can handle containers farther away from the main body, and loading and unloading efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a perspective view of the utility model.

[0014] Figure 2 is a top view of the utility model.

[0015] Figure 3 is a side view of the utility model.

[0016] Figure 4 is a schematic view of the connection between the moving chassis and the oil cylinder of the utility model.

[0017] Figure 5 is a schematic view of the connection between the connecting plate, the second buffer plate and the second buffer of the utility model.

[0018] In the drawing: lower cross beam 1; stand column 11; main beam 13; sliding groove 14; trolley 15; sling 16; hanging bracket 17; support beam 2; cross beam 21; pull rod 22; support base 3; machine room 31; hollow plate 32; moving chassis 33; oil cylinder 4; first buffer plate 5; first buffer 51; connecting plate 6; second buffer plate 61; second buffer 62. DETAILED DESCRIPTION

[0019] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0020] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0021] As shown in Figures 1-5 The present application is an automatic shore-based container crane, which comprises two lower cross beams 1, a stand 11 arranged on the lower cross beam 1, a main beam 13 arranged on the stand 11, a support seat 3 arranged on the main beam 13, two hollow plates 32 arranged on the support seat 3, a moving chassis 33 arranged between the two hollow plates 32 and capable of sliding, two corners of the moving chassis 33 extending outward and forming an L shape, and a machine room 31 arranged on the moving chassis 33.

[0022] The oil cylinder 4 is extended or retracted to drive the machine room 31 to be parked at any position on the support seat 3, so that the machine room 31 can adjust the center of gravity of the crane, making it more stable during operation, especially when handling heavy containers, the stable crane reduces shaking and vibration, and improves operation safety. At the same time, by moving the machine room 31, the crane can obtain greater support force, thereby expanding its operation range, so that the crane can handle containers farther away from its main body, and improve the loading and unloading efficiency.

[0023] Preferably, a sliding groove 14 is formed in the main beam 13, a trolley 15 is arranged between the two sliding grooves 14 and capable of sliding, at least two lifting ropes 16 are arranged at the lower end of the trolley 15, a lifting frame 17 is arranged at the lower end of the lifting rope 16, and the lifting frame 17 is used to grab the container.

[0024] Preferably, a support beam 2 is arranged on the main beam 13, a cross beam 21 is arranged on the two support beams 2, and four pull rods 22 are arranged on the cross beam 21.

[0025] Preferably, the columns 11 are all inclined and curved outwardly to ensure that every two opposite columns 11 form a splayed structure, further improving the overall stability.

[0026] Preferably, the support base 3 is provided with at least two first buffers 51, the first buffers 51 are provided with first buffer plates 5, the two ends of the first buffer plates 5 are respectively connected with the sliding grooves 14 in a sliding manner; the A ends of the main beams 13 are provided with connecting plates 6, the connecting plates 6 are provided with at least two second buffers 62, the second buffers 62 are provided with second buffer plates 61, the two ends of the second buffer plates 61 are respectively connected with the sliding grooves 14 in a sliding manner; the first buffer plates 5, the second buffer plates 61 and the first buffers 51, the second buffers 62 are used in cooperation to improve a buffer force of the trolley 15, effectively preventing the trolley 15 from colliding with the connecting plates 6 and the support base 3, causing the overall shaking.

[0027] It can be understood that the above implementation is only an exemplary implementation adopted for illustrating the principle of the present application, however, the present application is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present application, and these modifications and improvements are also considered as the protection scope of the present application.

Claims

1. An automated quayside container crane, characterized in that, Including two lower cross beams (1), the lower cross beam (1) is equipped with a column (11), the column (11) is equipped with a main beam (13), the main beam (13) is equipped with a support seat (3), the support seat (3) is equipped with two hollow plates (32), two hollow plates (32) are slidably provided with a moving chassis (33) between the two hollow plates (32), two corners of the moving chassis (33) extend outward and form an L shape, and the moving chassis (33) is provided with a machine room (31); The support seat (3) is provided with two oil cylinders (4), the output end of the oil cylinder (4) is connected with the moving chassis (33) respectively, and under the pushing of the oil cylinder (4), the machine room (31) is driven to move.

2. An automated quayside container crane as claimed in claim 1, characterized in that: The main beam (13) is provided with a chute (14), and a trolley (15) is slidably arranged between the two chutes (14), the lower end of the trolley (15) is provided with at least two lifting ropes (16), the lower end of the lifting rope (16) is provided with a lifting frame (17), and the lifting frame (17) is used to grab the container.

3. An automated quayside container crane as claimed in claim 2, characterized in that: The main beam (13) is provided with a support beam (2), and two support beams (2) are commonly provided with a cross beam (21), the cross beam (21) is provided with four pull rods (22), and the other end of each pull rod (22) is connected with the end of the main beam (13).

4. An automated shore-based container crane as claimed in claim 1, characterized in that: The column (11) is inclined and curved outward to ensure that every two opposite columns (11) form an eight-shaped structure, further improving the overall stability.

5. An automated shore-based container crane as claimed in claim 1, characterized in that: The support seat (3) is provided with at least two first buffers (51), the first buffer (51) is provided with a first buffer plate (5), and the two ends of the first buffer plate (5) are slidably connected with the chute (14).

6. An automated quayside container crane as claimed in claim 5, characterized in that: The A end of the main beam (13) is provided with a connecting plate (6), the connecting plate (6) is provided with at least two second buffers (62), the second buffer (62) is provided with a second buffer plate (61), and the two ends of the second buffer plate (61) are slidably connected with the chute (14).