Eight-rope integrated container spreader

Abstract

The utility model discloses an eight-rope integrated container spreader which comprises a main beam, an overhanging beam, a pulley mechanism, a cable storage frame and an electrical system, the overhanging beam is connected with the main beam through a telescopic driving mechanism; the pulley mechanism comprises a fixed pulley assembly and a movable pulley assembly which are arranged on the main beam; the pulley mechanism is connected with a crane through eight steel wire ropes; the cable storage frame is fixedly connected with the main beam and is used for winding and unwinding a crane cable; and the electrical system is arranged on the main beam and is used for distributing electric power and signals transmitted by the crane cable to each component. The lifting appliance integrates the functions of a telescopic container lifting appliance and an eight-rope upper frame, the overall height and weight of the lifting appliance are effectively reduced, and the rotating and translating functions of the eight-rope upper frame can be completed while the container lifting function of the lifting appliance is met.

Description

Technical Field

[0001] The utility model relates to the technical field of container cranes, in particular to an eight-rope integrated container hoist. Background Art

[0002] As special equipment for container loading and unloading, container cranes are mainly connected to containers through spreaders, and the spreaders and cranes are connected through upper frames. The setting of the upper frames can facilitate the replacement of spreaders, and when the spreader fails, it can be directly replaced to solve the shutdown problem; but for domestic inland river terminals, the total workload is relatively low, and short-term shutdowns do not affect the terminal's production operations. At this time, economy becomes the primary factor.

[0003] If the sling and rack functions can be combined, the overall height and weight of the sling rack can be reduced, which will significantly improve the lifting height and lifting energy consumption of the crane. Utility Model Content

[0004] In view of the defects existing in the prior art, the purpose of the utility model is to provide an eight-rope integrated container spreader, which integrates the functions of a telescopic container spreader and an eight-rope rack, effectively reducing the overall height and weight of the spreader, while satisfying the spreader's hoisting box function, it can also complete the rotation and translation functions of the eight-rope rack.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides an eight-rope integrated container spreader, comprising a main beam, an outrigger beam, a pulley mechanism, a cable storage frame and an electrical system;

[0007] The outrigger beam is connected to the main beam via a telescopic drive mechanism;

[0008] The pulley mechanism comprises a fixed pulley assembly and a movable pulley assembly arranged on the main beam; the movable pulley assembly is slidably connected to the main beam; the pulley mechanism is connected to the crane by winding eight steel ropes;

[0009] The cable storage frame is fixedly connected to the main beam, and the cable storage frame is used to retract and release the crane cable;

[0010] The electrical system is arranged on the main beam and is used for distributing the power and signals transmitted by the crane cable to various components.

[0011] Preferably, the bottom of the main beam is a box-type structure, the tail of the outrigger beam is installed in the box-type structure, and the outrigger beam moves in the box-type structure through the telescopic driving mechanism.

[0012] Preferably, a guide plate mechanism is provided at one end of the outrigger beam away from the main beam.

[0013] Preferably, a rotation pin mechanism is provided at one end of the outrigger beam away from the main beam.

[0014] Preferably, the fixed pulley assembly includes four fixed pulleys symmetrically arranged on the main beam; the fixed pulley is installed on the main beam through a fixed pulley box, and the fixed pulley is connected to the crane through a steel wire rope.

[0015] Preferably, the four fixed pulleys are arranged along the length direction of the main beam.

[0016] Preferably, the movable pulley assembly includes two movable pulley boxes arranged at both ends of the main beam and four movable pulleys respectively arranged on the two movable pulley boxes; the two movable pulley boxes are respectively installed on the guide rails at both ends of the main beam, and the movable pulley boxes move along the guide rails through the push rods connected thereto.

[0017] Preferably, the four movable pulleys are arranged along the width direction of the main beam.

[0018] The beneficial effects of the eight-rope integrated container spreader of the utility model are as follows:

[0019] 1. The utility model integrates the functions of telescopic container spreader and eight-rope rack, which can not only meet the function of spreader box, but also complete the rotation and translation function of eight-rope rack;

[0020] 2. The eight-rope integrated container spreader of the utility model is used to match the crane with eight-rope winding method. The overall height and weight of the spreader are effectively reduced through the integral design of the spreader and the upper frame. The upper part of the spreader integrates the function of the original eight-rope upper frame, which can realize the lifting of the container for rotation and translation. The lower part has the function of a telescopic spreader, which can adjust the length of the liftable container by extending and retracting the outrigger beam, and can realize the lifting of containers of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0022] Figure 1 It is a structural schematic diagram of the eight-rope integrated container spreader of the utility model;

[0023] Figure 2 It is a top view of the eight-rope integrated container spreader of the utility model;

[0024] Figure 3 It is a side view of the eight-rope integrated container spreader of the utility model;

[0025] Figure 4It is a schematic diagram of the pulley winding of the eight-rope integrated container spreader of the utility model;

[0026] Figure 5 It is a schematic diagram of the translation of the eight-rope integrated container spreader of the utility model;

[0027] Figure 6 A schematic diagram of the rotation of the eight-rope integrated container spreader of the utility model;

[0028] In the figure, 1. main beam; 11. guide rail; 2. telescopic beam; 3. movable pulley assembly; 31. movable pulley; 32. push rod; 33. movable pulley box; 4. fixed pulley assembly; 41. fixed pulley; 42. fixed pulley box; 5. cable storage frame; 6. electrical system; 7. telescopic drive mechanism; 8. guide plate mechanism; 9. transfer pin mechanism; 10. wire rope. DETAILED DESCRIPTION

[0029] The present invention is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form.

[0030] The eight-rope integrated container spreader provided by the utility model is an integrated spreader for configuring an eight-rope trolley container crane, integrating the functions of a telescopic container spreader and an eight-rope rack, which can satisfy the spreader box lifting function and also complete the eight-rope rack rotation and translation function.

[0031] Combination Figure 1 As shown, the eight-rope integrated container spreader provided by the utility model integrates the original eight-rope mounting function in the upper part, which can realize the lifting of the container for rotation and translation, and the lower part is a telescopic spreader function, which can adjust the length of the lifted container by telescoping the outrigger 2 to realize the lifting of containers of different specifications. The eight-rope integrated container spreader of the utility model includes a main beam 1, an outrigger 2, a pulley mechanism, a cable storage frame 5 and an electrical system 6. The outrigger 2 is connected to the main beam 1 through a telescopic drive mechanism 7. The pulley mechanism includes a fixed pulley assembly 4 and a movable pulley assembly 3 arranged on the main beam 1; the movable pulley assembly 3 is slidably connected to the main beam 1, and the pulley mechanism is connected to the crane through eight steel wire ropes 10, so that the spreader has a certain anti-shake ability; the eight-rope integrated container spreader slides on the main beam 1 through the movable pulley assembly 3 to realize the rotation and translation of the spreader. The cable storage frame 5 is fixedly connected to the main beam 1, and the cable storage frame 5 is used to retract and release the crane cable. The electrical system 6 is arranged on the main beam 1 to distribute the power and signals transmitted by the crane cables to various components.

[0032] Combination Figure 1 , Figure 2As shown, the bottom of the main beam 1 is a box-type structure, the tail of the outrigger beam 2 is installed in the box-type structure, and the outrigger beam 2 moves in the box-type structure through the telescopic drive mechanism 7; the outrigger beam 2 moves in the box-type structure at the bottom of the main beam 1 under the action of the telescopic drive mechanism 7, so as to adjust the spacing between the outrigger beams 2 on both sides of the main beam 1.

[0033] Combination Figure 1 , Figure 3 As shown, a guide plate mechanism 8 and a pinning mechanism 9 are provided at one end of the outrigger beam 2 away from the main beam 1; the guide plate mechanism 8 has a guiding structure to facilitate the sling to land on the container; the pinning mechanism 9, as a key component for connecting the container, can be locked on the container accessories to enable the sling to lift the container.

[0034] Combination Figure 1 , Figure 2 As shown, the fixed pulley assembly 4 includes four fixed pulleys 41 symmetrically arranged on the main beam 1; the fixed pulley 41 is installed on the main beam 1 through a fixed pulley box 42, and the fixed pulley 41 is connected to the crane by winding a wire rope 10; the four fixed pulleys 41 are arranged along the length direction of the main beam 1.

[0035] Combination Figure 1 , Figure 2 and Figure 3 As shown, the movable pulley assembly 3 includes two movable pulley boxes 33 arranged on the main beam 1 and four movable pulleys 31 respectively arranged on the two movable pulley boxes 33; the two movable pulley boxes 33 are symmetrically arranged on the guide rail 11 of the main beam 1, and two push rods 32 are respectively provided on the main beam 1 close to the two movable pulley boxes 33, and the movable pulley boxes 33 are connected to the push rods 32; the movable pulley boxes 33 can be pushed and pulled by the push rods 32, so that the movable pulley boxes 33 can move back and forth on the guide rail 11; the four movable pulleys 31 are respectively connected to the crane by winding the steel wire rope 10, and the four movable pulleys 31 are arranged along the width direction of the main beam 1 and installed on the movable pulley boxes 33.

[0036] Combination Figure 4 As shown, the crane is connected to four fixed pulleys 41 and four movable pulleys 31 on the main beam 1 of the eight-rope integrated container hoist through eight steel wire ropes 10, and the crane uses the four fixed pulleys 41 and four movable pulleys 31 as lifting points to lift the container. Figure 1 , Figure 2 As shown, the four fixed pulleys 41 are symmetrically arranged along the length direction of the main beam 1 , and the four movable pulleys 31 are symmetrically arranged along the width direction of the main beam 1 .

[0037] Combination Figure 5As shown, when the two push rods 32 connected to the two moving pulley boxes 33 push and pull the two moving pulley boxes 33 in the same direction, the eight-rope integrated container spreader performs a translational movement along the width direction. Figure 6 As shown, when the two push rods 32 connected to the two moving pulley boxes 33 push and pull the two moving pulley boxes 33 in opposite directions, the eight-rope integrated container spreader rotates in the horizontal direction.

[0038] When the eight-rope integrated container spreader of the utility model is used, the spreader is moved to the upper part of the container by the crane. The spreader adjusts the spacing between the outrigger beams 2 through the telescopic driving mechanism 7 according to the length of the container, so that the transfer pin mechanism 9 can be aligned with the corner fittings of the container. The spreader is lowered by the lifting wire rope 10. If the spreader and the container are misaligned to a certain extent at this time, it can be adjusted by rotation or translation (see Figure 5 , Figure 6 After the adjustment is completed, the spreader continues to descend, and is further guided by the guide plate mechanism 8 so that the transfer pin mechanism 9 of the spreader is smoothly connected to the container, thereby completing the action of lifting the container.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An eight-rope integrated container spreader, characterized in that: It includes main beam, outrigger beam, pulley mechanism, cable storage frame and electrical system; The outrigger beam is connected to the main beam via a telescopic drive mechanism; The pulley mechanism comprises a fixed pulley assembly and a movable pulley assembly arranged on the main beam; the movable pulley assembly is slidably connected to the main beam; the pulley mechanism is connected to the crane by winding eight steel ropes; The cable storage frame is fixedly connected to the main beam, and the cable storage frame is used to store and retract crane cables; The electrical system is arranged on the main beam and is used for distributing the power and signals transmitted by the crane cable to various components.

2. The eight-rope integrated container spreader according to claim 1, characterized in that: The bottom of the main beam is a box-type structure, the tail of the outrigger beam is installed in the box-type structure, and the outrigger beam moves in the box-type structure through the telescopic driving mechanism.

3. The eight-rope integrated container spreader according to claim 1, characterized in that: A guide plate mechanism is provided at one end of the outrigger beam away from the main beam.

4. The eight-rope integrated container spreader according to claim 1, characterized in that: A revolving pin mechanism is provided at one end of the outrigger beam away from the main beam.

5. The eight-rope integrated container spreader according to claim 1, characterized in that: The fixed pulley assembly comprises four fixed pulleys symmetrically arranged on the main beam; the fixed pulley is installed on the main beam through a fixed pulley box, and the fixed pulley is connected to the crane through a steel wire rope.

6. The eight-rope integrated container spreader according to claim 5, characterized in that: The four fixed pulleys are arranged along the length direction of the main beam.

7. The eight-rope integrated container spreader according to claim 1, characterized in that: The movable pulley assembly includes two movable pulley boxes arranged at both ends of the main beam and four movable pulleys respectively arranged on the two movable pulley boxes; the two movable pulley boxes are respectively installed on the guide rails at both ends of the main beam, and the movable pulley boxes move along the guide rails through the push rods connected thereto.

8. The eight-rope integrated container spreader according to claim 7, characterized in that: The four movable pulleys are arranged along the width direction of the main beam.

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