Lifting appliance structure of container crane

By using guide mechanism and auxiliary cushion in container crane spreader, the problem of poor friction and correspondence between guide rails is solved, the stable up and down movement of the spreader and the effective correspondence of the container is achieved, and the reliability and maintenance efficiency of the equipment are improved.

CN222684018UActive Publication Date: 2025-03-28JIANGSU XIANGRUI PORT MASCH EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421026455.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-03-28
Estimated Expiration
2034-05-13

AI Technical Summary

Technical Problem

When the traditional container crane spreader moves up and down between the guide rails, it is easily affected by sea breeze and cabin shaking, causing both sides of the spreader to come into contact with the guide rails, paint falling, and it is difficult to stabilize the spreader to lock the corresponding lock of the container.

Method used

A suspender structure of a container crane is designed, adopting a guide mechanism and auxiliary cushion, the roller is arranged inclined on the outside of the connecting frame, and the pad plate is arranged on the outside of the connecting frame. The friction is reduced through the roller guide and the pad plate, and the stable up and down movement of the connecting frame and corresponding drop lock are realized.

Benefits of technology

Through the design of the guide mechanism and auxiliary cushion, the friction between the spreader between the guide rails is reduced, paint drop and rust is avoided, and the correspondence and stability of the spreader to the container is improved, operation is simplified and maintenance costs are reduced.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222684018U_ABST
    Figure CN222684018U_ABST
Patent Text Reader

Abstract

The utility model discloses a lifting appliance structure of a container crane, which comprises a fixed frame, movable frames are arranged on the two sides of the fixed frame, a connecting frame is fixedly connected to the lower end parts of the movable frames, the lifting appliance structure further comprises auxiliary cushion pieces, the auxiliary cushion pieces are arranged at the two ends of the connecting frame, the outer side ends of the auxiliary cushion pieces protrude out of the connecting frame, and the connecting frame is fixedly connected with the auxiliary cushion pieces. The two sides of the connecting frame can be protected through the auxiliary cushion pieces, and abrasion to the two sides of the connecting frame is reduced; the guide mechanisms are located on the two sides of the connecting frame, and the connecting frame can be lifted in an auxiliary mode through the guide mechanisms, so that the connecting frame is lifted stably; by arranging a guide mechanism and an auxiliary cushion piece, a roller is obliquely arranged on the outer side of a connecting frame, a cushion plate is arranged on the outer side of the connecting frame, when the connecting frame moves downwards, guiding and centering are conducted through the roller, and when the connecting frame moves, friction of the two sides of the connecting frame is reduced through the cushion plate, vertical lifting of the connecting frame is facilitated, and friction of the side faces of the connecting frame is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a hanger structure of a container crane. Background Art

[0002] The container is lifted up and down by a crane at the dock. The crane drives the spreader to move the container. When the spreader is placed on the container, it is fixed to the container by an automatic lock, and then the container is moved by the crane.

[0003] However, when the spreader is transporting, vertical guide rails are set on both sides of the container in the cabin, and the spreader is matched with the container through the guide rails. When the traditional spreader moves up and down between the guide rails, due to the sea breeze or the shaking of the cabin, the two sides of the spreader will contact and rub against the guide rails, which will cause the paint on both sides of the spreader to fall off and rust under the erosion of the sea breeze. In addition, there is a gap when the spreader enters the guide rails, and the spreader will shake between the guide rails, making it difficult to lock with the container. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a hanger structure for a container crane, which solves the problems raised by the above-mentioned background technology.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a sling structure of a container crane, comprising a fixed frame, movable frames are arranged on both sides of the fixed frame, the lower ends of the movable frames are fixedly connected to the connecting frames, and also comprises: auxiliary pads, the auxiliary pads are arranged at both ends of the connecting frame, the outer ends of the auxiliary pads protrude from the connecting frame, and the two sides of the connecting frame can be protected by the auxiliary pads to reduce the wear on the two sides of the connecting frame; a guide mechanism, the guide mechanism is arranged on both sides of the connecting frame, and the guide mechanism can assist the lifting of the connecting frame to promote stable lifting of the connecting frame.

[0006] Furthermore: the guide mechanism includes: a roller, the roller is arranged on the outside of the connecting frame, a placement groove is opened on the outside of the connecting frame, the outside of the roller is connected to a bracket, the inside of the bracket is fixedly connected to a spring, and the other end of the spring is fixed in the placement groove.

[0007] Furthermore: the auxiliary cushion member includes: a pad, the pad is arranged on the outside of the connecting frame, a mounting groove is opened on the outside of the connecting frame, sockets are opened at the four corners of the mounting groove, the inner end of the pad is fixedly connected with a plug rod matching the socket, a mounting hole is opened on the pad, a fixing bolt is passed through the mounting hole, and the fixing bolt is threadedly connected to the connecting frame.

[0008] Furthermore: the rollers are arranged on the outer side of the connecting frame and tilted downward, and the rollers are arranged with equal spacing.

[0009] Furthermore: the outer end edge of the pad is rounded, and the pad is made of rubber or plastic.

[0010] Furthermore: the fixing bolt is arranged in an embedded hexagonal style, and the outer end surface of the fixing bolt is arranged on the inner side of the pad.

[0011] The beneficial effects of the utility model are:

[0012] (1) The utility model provides a container crane sling structure; by setting a guide mechanism and an auxiliary pad, rollers are tiltedly arranged on the outside of a connecting frame, and a pad is arranged on the outside of the connecting frame. When the connecting frame moves downward, the rollers are used to guide the connecting frame to the center, and when the connecting frame moves, the pad is used to reduce the friction on both sides of the connecting frame, thereby facilitating the up and down lifting of the connecting frame and reducing the side friction of the connecting frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the fixed frame and the movable frame of the utility model;

[0016] Figure 3 It is a partial structural schematic diagram of the connecting frame of the utility model;

[0017] Figure 4 yes Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 5 yes Figure 3 Enlarged structural diagram at B in the middle.

[0019] In the figure: 1. fixed frame; 2. movable frame; 3. connecting frame; 4. mounting groove; 5. plug hole; 6. pad; 7. plug rod; 8. mounting hole; 9. fixing bolt; 10. bracket; 11. spring; 12. roller; 13. placement groove. DETAILED DESCRIPTION

[0020] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Figure 1-Figure 5 As shown, a lifting device structure of a container crane comprises a fixed frame 1, movable frames 2 are arranged on both sides of the fixed frame 1, and a connecting frame 3 is fixedly connected to the lower end of the movable frame 2, and also comprises: auxiliary pads, the auxiliary pads are arranged at both ends of the connecting frame 3, the outer ends of the auxiliary pads protrude from the connecting frame 3, and the two sides of the connecting frame 3 can be protected by the auxiliary pads to reduce the wear on the two sides of the connecting frame 3; a guide mechanism, the guide mechanism is arranged on both sides of the connecting frame 3, and the connecting frame 3 can be assisted in lifting by the guide mechanism to promote the stable lifting of the connecting frame 3; when the container is lifted out of the hull, the fixed frame 1 and the movable frame 2 enter the cabin, and the connecting frame 3 at the lower end of the movable frame 2 moves up and down between the vertical guide rails in the cabin. During the up and down movement of the connecting frame 3, the auxiliary pads and the guide mechanism arranged on both sides of the connecting frame 3 can assist the connecting frame 3 to move up and down, avoid the two sides of the connecting frame 3 from contacting the inner side of the vertical guide rails, reduce friction, and facilitate the operator to quickly lift the container up and down when leaving the cabin.

[0023] See also Figure 5 The guiding mechanism comprises: a roller 12, the roller 12 is arranged on the outer side of the connecting frame 3, a placement groove 13 is opened on the outer side of the connecting frame 3, a bracket 10 is connected to the outer side of the roller 12, a spring 11 is fixedly connected to the inner side of the bracket 10, and the other end of the spring 11 is fixedly arranged in the placement groove 13; when the connecting frame 3 enters between the two vertical guide rails, the roller 12 at the lower end contacts the vertical guide rail, and gradually contacts the roller 12 as the connecting frame 3 descends, the spring 11 on the inner side of the roller 12 can play a buffering effect, and the inclined setting of the roller 12 can gradually make the connecting frame 3 return to the center and descend, so that the connecting frame 3 and the automatic lock at the lower end correspond to the container.

[0024] See also Figure 4: The auxiliary pads include: a pad 6, which is arranged on the outer side of the connecting frame 3, a mounting groove 4 is opened on the outer side of the connecting frame 3, and plug holes 5 are opened at the four corners of the mounting groove 4. The inner end of the pad 6 is fixedly connected with a plug rod 7 matching the plug hole 5, and a mounting hole 8 is opened on the pad 6. A fixing bolt 9 is passed through the mounting hole 8, and the fixing bolt 9 is threadedly connected to the connecting frame 3; the pad 6 is arranged on both sides of the connecting frame 3, and the pad 6 replaces the connecting frame 3 to contact the inner side of the vertical guide rail, reduces the contact between the connecting frame 3 and the vertical guide rail, and avoids the paint on both sides of the connecting frame 3 from being worn off, and the pad 6 is fixed in the mounting groove 4 by the fixing bolts 9, and can be maintained and replaced after the pad 6 is worn, and can be guided by the plug rod 7 when installing the pad 6, which is convenient for the installation of the pad 6.

[0025] See also Figure 5 : The rollers 12 are arranged on the outside of the connecting frame 3 and are tilted downward, and the spacing between the rollers 12 is equal; the rollers 12 are arranged in a stepped manner from the upper end to the lower end, and the rollers 12 at the upper end are the most protruding, so that as the connecting frame 3 moves, the connecting frame 3 can be guided by the rollers 12 to return to the center, so that the connecting frame 3 can drive the automatic lock to correspond to the container.

[0026] See also Figure 4 : The outer end edge of the pad 6 is rounded, and the pad 6 is made of rubber or plastic; the outer rounded corners of the pad 6 are set to prevent the edge of the pad 6 from being scratched and broken when moving up and down, and the pad 6 is made of rubber or plastic, and rubber and plastic have wear-resistant effects.

[0027] See also Figure 4 : The fixing bolt 9 is set in an embedded hexagonal style, and the outer end surface of the fixing bolt 9 is located on the inner side of the pad 6; when installing the fixing bolt 9, it is installed through the hexagonal rod. The fixing bolt 9 set in the embedded hexagonal style can reduce the slip angle during rotation, and the fixing bolt 9 is located on the inner side of the pad 6, and the fixing bolt 9 can be protected by the pad 6.

[0028] During use, when moving the container in the cabin out, the crane drives the fixed frame 1, the movable frame 2 and the connecting frame 3 into the cabin, and guides the connecting frame 3 to correspond to the container through the vertical guide rails in the cabin, and the connecting frame 3 is assisted in centering by the rollers 12 when entering between the guide rails, and the rollers 12 are arranged obliquely, and as the connecting frame 3 descends, the connecting frame 3 will be centered, so that the connecting frame 3 and the container can be aligned, reducing the swinging of the connecting frame 3 between the guide rails, and the pad 6 can reduce the friction between the guide rails and the connecting frame 3, avoiding the paint on both sides of the connecting frame 3 from being worn off, and the pad 6 can be replaced, with low maintenance cost and easy operation.

[0029] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A container crane sling structure, comprising a fixed frame (1), movable frames (2) are arranged on both sides of the fixed frame (1), and the lower end of the movable frame (2) is fixedly connected to a connecting frame (3), wherein: include: Auxiliary pads, the auxiliary pads are arranged at both ends of the connecting frame (3), the outer ends of the auxiliary pads protrude from the connecting frame (3), and the auxiliary pads can protect both sides of the connecting frame (3) to reduce wear on both sides of the connecting frame (3); The guiding mechanism is arranged on both sides of the connecting frame (3), and can assist the connecting frame (3) in lifting through the guiding mechanism, thereby promoting stable lifting of the connecting frame (3).

2. The container crane spreader structure according to claim 1, characterized in that: The guiding mechanism comprises: A roller (12), the roller (12) is arranged on the outside of the connecting frame (3), a placement groove (13) is provided on the outside of the connecting frame (3), the outside of the roller (12) is connected to a bracket (10), the inside of the bracket (10) is fixedly connected to a spring (11), and the other end of the spring (11) is fixedly arranged in the placement groove (13).

3. The container crane spreader structure according to claim 1, characterized in that: The auxiliary cushion member comprises: A pad (6), the pad (6) is arranged on the outer side of the connecting frame (3), the outer side of the connecting frame (3) is provided with a mounting groove (4), the four corners of the mounting groove (4) are provided with insertion holes (5), the inner side end of the pad (6) is fixedly connected with an insertion rod (7) matching the insertion hole (5), the pad (6) is provided with a mounting hole (8), a fixing bolt (9) is passed through the mounting hole (8), and the fixing bolt (9) is threadedly connected to the connecting frame (3).

4. The container crane spreader structure according to claim 2, characterized in that: The rollers (12) are located on the outer side of the connecting frame (3) and arranged in an inclined downward manner, and the rollers (12) are arranged at equal intervals.

5. The container crane spreader structure according to claim 3 is characterized in that: The outer end edge of the pad (6) is rounded, and the pad (6) is made of either rubber or plastic.

6. The container crane spreader structure according to claim 3, characterized in that: The fixing bolt (9) is arranged in an embedded hexagonal style, and the outer end surface of the fixing bolt (9) is arranged on the inner side of the pad (6).