Crane lifting appliance and lifting mechanism

Abstract

The utility model belongs to the field of container hoisting mechanisms, in particular to a crane sling and a hoisting mechanism, which comprise a mechanism main body, four corners of the mechanism main body are fixedly connected with fixing components, two sides of the top of the mechanism main body are integrally provided with fixing plates, the interiors of the fixing plates are connected with fixing steel ropes in a penetrating manner, and the fixing steel ropes are fixedly connected with the fixing components. A chain is connected to the middle positions of the fixing steel ropes on the two sides in a penetrating mode, the fixing assembly comprises a first rotating shaft and a driving gear, the driving gear is connected to the outer wall of the first rotating shaft in a welded mode, and the fixing assembly further comprises a driven gear, a second rotating shaft and a rotating plate. According to the container lifting device, the fixing assembly, the fixing steel ropes, the lock chain, the lifting assembly and the limiting assembly are matched together, the middle positions of the fixing steel ropes on the two sides are fixed through the lock chain, and stability is improved; and the situation that the lifting hooks at the four corners hook other box bodies or collide with a hoisting mechanism device due to wind power or other reasons is avoided.

Description

Technical Field

[0001] The utility model relates to the field of container lifting mechanisms, in particular to a crane spreader and a lifting mechanism. Background Art

[0002] Containers are a group of tools that can be loaded with packaged or unpackaged goods for transportation and are easy to load and unload with mechanical equipment. Containers can standardize a huge object with a load capacity of dozens of tons, and on this basis gradually realize a logistics system that is compatible with ships, ports, routes, roads, transfer stations, bridges, tunnels, and multimodal transport around the world. During the logistics transportation process, containers need to be loaded and unloaded with special lifting mechanisms.

[0003] In Chinese patent CN202122540168.X, the utility model provides a lifting mechanism of a rail container gantry crane, which belongs to the technical field of cranes, including a crane, wherein the front and rear sides of the upper end of the crane are respectively fixedly connected with rails, the rails are provided with track grooves, the front and rear sides of the upper end of the crane are respectively provided with slide grooves, the upper end of the crane is slidably connected with a lifting device, and the front and rear sides of the lower end of the lifting device are respectively provided with grooves, and by arranging ear plates, limit rods, pressure plates and springs on the front and rear sides of the lower end of the lifting device, respectively, the front and rear sides of the lower end of the lifting device have buffering and shock-absorbing forces, which play a buffering and shock-absorbing role on the lifting device, reducing the disadvantages of the vibration generated when the lifting device is working on the entire device, and through the sliding connection of the ball bearing and the slide groove, not only the support for the lifting device is increased, but also the sliding of the lifting device is facilitated, and at the same time, by arranging a limit frame and a buffer pad at the lower end of the lifting device, the wire rope is protected.

[0004] Although the existing container lifting mechanism can solve the problem that the suspended objects are prone to vibration and swing during ascent, and the wire rope is prone to friction and damage with the lifting device during operation, when replacing containers for lifting, due to wind or other reasons, it is easy for the hooks at the four corners to hook other boxes or collide with the lifting mechanism, resulting in collision wear and tear of the mechanism.

[0005] Therefore, in order to solve the above problems, a crane hoist and a lifting mechanism are proposed. Utility Model Content

[0006] The utility model aims to provide a crane sling and a lifting mechanism to solve the problem in the above-mentioned background technology that the hooks at the four corners may easily hook onto other boxes or collide with the lifting mechanism device due to wind or other reasons, resulting in collision wear of the mechanism.

[0007] The technical solution adopted by the utility model to solve the technical problem is as follows: the crane sling and the lifting mechanism described in the utility model include a mechanism body, the four corners of the mechanism body are fixedly connected with fixing components, and the top two sides of the mechanism body are integrally provided with fixing plates, the inside of the fixing plate is penetrated with a fixing steel rope, and the middle position of the fixing steel ropes on both sides is penetrated with a chain;

[0008] The fixing assembly includes a first rotating shaft and a driving gear, and the outer wall of the first rotating shaft is welded to the driving gear.

[0009] Preferably, the fixed component also includes a passive gear, the side of the active gear is meshedly connected with the passive gear, and the middle position of the passive gear is connected with a second rotating shaft, and the second rotating shaft is rotatably connected to the fixed component, and the outer wall of the passive gear is welded with a rotating plate.

[0010] Preferably, the fixing assembly also includes a third rotating shaft, the third rotating shaft is rotatably connected below the rotating plate, and a connecting plate is fixedly connected to the middle position of the outer wall of the third rotating shaft, the fourth rotating shaft is rotatably connected below the connecting plate, and a fixing hook is welded to the middle position of the outer wall of the fourth rotating shaft.

[0011] Preferably, it further comprises a lifting assembly, wherein the lifting assembly comprises a fifth rotating shaft and a winding roller, and the end of the fifth rotating shaft is fixedly connected to the winding roller.

[0012] Preferably, both sides of the top of the lifting assembly are fixedly connected to limit assemblies, and the limit assemblies include a limit tube and a limit groove. The interior of the limit tube is hollow, and limit grooves are reserved on both sides of the outer wall of the limit tube.

[0013] Preferably, the limiting assembly further comprises a limiting rod and a limiting block, the limiting rod is connected through the inner side of the limiting tube, and limiting blocks are integrally provided on both sides of the outer wall of the limiting rod.

[0014] Preferably, the limiting assembly also includes an extrusion roller and a telescopic spring, the bottom of the limiting rod is welded to the extrusion roller, and the top two sides of the extrusion roller are welded to the telescopic springs, and the end of the telescopic spring away from the extrusion roller is welded to the bottom of the limiting assembly.

[0015] The utility model is beneficial in that:

[0016] 1. The utility model adopts the cooperation between the fixing assembly, the first rotating shaft, the driving gear, the passive gear, the second rotating shaft, the rotating plate, the third rotating shaft, the fourth rotating shaft and the fixing hook. The fixing assembly can assist in fixing the hook so that the fixing hook hooks the four corners of the container for fixing. In this way, when the container is replaced for lifting, the hooks at the four corners will not be hooked on other boxes or collide with the lifting mechanism due to wind or other reasons.

[0017] 2. The utility model adopts the cooperation between the fixed steel rope, the chain, the lifting component and the limit component. The middle position of the fixed steel ropes on both sides is fixed by the chain to increase stability. During the winding process of the fixed steel rope, the squeezing roller is always in contact with the fixed steel rope under the squeezing action of the telescopic spring, preventing the fixed steel rope from moving during the winding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model as a whole viewed from the front;

[0020] Figure 2 It is a schematic diagram of the specific structure of the fixing component of the utility model;

[0021] Figure 3 It is a schematic diagram of the specific structure of the limit assembly of the utility model;

[0022] Figure 4 It is a cross-sectional structural schematic diagram of the limit assembly of the utility model;

[0023] Figure 5 It is a schematic diagram of the specific structure of the lifting assembly of the utility model.

[0024] In the figure: 1. Mechanism body; 2. Fixed component; 21. First rotating shaft; 22. Driving gear; 23. Passive gear; 24. Second rotating shaft; 25. Rotating plate; 26. Third rotating shaft; 27. Fourth rotating shaft; 28. Fixed hook; 3. Fixed plate; 4. Fixed steel rope; 5. Chain; 6. Lifting component; 61. Fifth rotating shaft; 62. Winding roller; 7. Limiting component; 71. Limiting tube; 72. Limiting groove; 73. Extrusion roller; 74. Telescopic spring; 75. Limiting rod; 76. Limiting block. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1

[0027] See also Figures 1 to 5 As shown, a crane sling and a lifting mechanism include a mechanism body 1, the four corners of the mechanism body 1 are fixedly connected with a fixing assembly 2, and the top two sides of the mechanism body 1 are integrally provided with a fixing plate 3, the interior of the fixing plate 3 is penetrated with a fixing steel rope 4, and the middle position of the fixing steel rope 4 on both sides is penetrated with a chain 5; the fixing assembly 2 includes a first rotating shaft 21 and a driving gear 22, the outer wall of the first rotating shaft 21 is welded with the driving gear 22, the fixing assembly 2 can assist in fixing the hook, when the first rotating shaft 21 rotates, the driving gear 22 rotates synchronously, so as to control the fixing angle of the fixing hook 28, so that when replacing the container for lifting, the hooks at the four corners will not be hooked on other boxes or collide with the lifting mechanism device due to wind or other reasons, the fixing assembly 2 also includes a passive gear 23, the side of the active gear 22 is meshed with the passive gear 23, and the middle of the passive gear 23 A second rotating shaft 24 is connected through the intermediate position, and the second rotating shaft 24 is rotatably connected to the fixed component 2. A rotating plate 25 is welded to the outer wall of the passive gear 23. When the active gear 22 rotates, it meshes with the passive gear 23. The passive gear 23, the second rotating shaft 24 and the rotating plate 25 are an integrated structure, so the rotating plate 25 can be rotatably adjusted. The fixed component 2 also includes a third rotating shaft 26, a fourth rotating shaft 27 and a fixed hook 28. The third rotating shaft 26 is rotatably connected to the lower part of the rotating plate 25, and a connecting plate is fixedly connected to the middle position of the outer wall of the third rotating shaft 26. The fourth rotating shaft 27 is rotatably connected to the lower part of the connecting plate, and a fixing hook 28 is welded to the middle position of the outer wall of the fourth rotating shaft 27. The fixing hook 28 is rotated by the action of the fourth rotating shaft 27, and the connecting plate is rotated by the action of the third rotating shaft 26, thereby achieving the purpose of adjusting the fixing hook 28, so that the fixing hook 28 hooks the four corners of the container for fixing.

[0028] Embodiment 2

[0029] like Figure 1 and Figures 3 to 5As shown, on the basis of the first embodiment, the utility model provides a technical solution: it also includes a lifting component 6, the lifting component 6 includes a fifth rotating shaft 61 and a winding roller 62, the end of the fifth rotating shaft 61 is fixedly connected with the winding roller 62, the winding roller 62 winds up the fixed steel rope 4 to achieve the purpose of lifting the mechanism body 1 and the container, wherein the middle position of the fixed steel ropes 4 on both sides is fixed by a chain 5 to increase stability, the top two sides of the lifting component 6 are fixedly connected to the limiting component 7, the limiting component 7 includes a limiting tube 71 and a limiting groove 72, the interior of the limiting tube 71 is set in a hollow shape, and the limiting grooves 72 are reserved on both sides of the outer wall of the limiting tube 71, which play a limiting role, ensuring that the squeezing roller 73 always stably fits the fixed steel rope 4 to prevent the fixed steel rope 4 from moving during the winding process, and the limiting component 7 also includes a limiting rod 7 5 and the limit block 76, the inner side of the limit tube 71 is connected with the limit rod 75, and the limit blocks 76 are integrated on both sides of the outer wall of the limit rod 75. When the squeezing roller 73 moves up and down during the winding of the fixed steel rope 4, the limit blocks 76 always slide up and down inside the limit grooves 72 on both sides of the limit tube 71. The limit assembly 7 also includes a squeezing roller 73 and a telescopic spring 74. The bottom of the limit rod 75 is welded with the squeezing roller 73, and the top two sides of the squeezing roller 73 are welded with the telescopic spring 74. The end of the telescopic spring 74 away from the squeezing roller 73 is welded to the bottom of the limit assembly 7. The two ends of the telescopic spring 74 are respectively fixed to the squeezing roller 73 and the limit assembly 7. The squeezing roller 73 is always in contact with the fixed steel rope 4 under the squeezing action of the telescopic spring 74, that is, it does not affect the normal winding work of the fixed steel rope 4.

[0030] Working principle: First, the fixing assembly 2 can assist in fixing the hook. When the first rotating shaft 21 rotates, the driving gear 22 rotates synchronously, thereby controlling the fixing angle of the fixing hook 28. In this way, when replacing the container for lifting, the hooks at the four corners will not be hooked on other boxes or collide with the lifting mechanism due to wind or other reasons. When the driving gear 22 rotates, it meshes with the passive gear 23. The second rotating shaft 24 rotates synchronously under the action of the passive gear 23. The passive gear 23, the second rotating shaft 24 and the rotating plate 25 are an integrated structure, so the rotating plate 25 can rotate to adjust the angle. The fixing hook 28 rotates through the action of the fourth rotating shaft 27, and the connecting plate rotates through the action of the third rotating shaft 26, thereby achieving the purpose of adjusting the fixing hook 28, so that the fixing hook 28 hooks the four corners of the container for fixing;

[0031] Secondly, the lifting component 6 controls the rotation of the fifth rotating shaft 61 through the control dial in the middle position, and the winding roller 62 winds up the fixed steel rope 4 under the action of the fifth rotating shaft 61, and the ends of the fixed steel rope 4 are fixed inside the fixed plate 3, thereby achieving the purpose of lifting the main body 1 of the lifting mechanism and the container, wherein the middle positions of the fixed steel ropes 4 on both sides are fixed by the chains 5 to increase stability, and during the winding process of the fixed steel rope 4, since the bottom of the squeezing roller 73 is in contact with the top of the fixed steel rope 4, the two ends of the telescopic spring 74 are respectively fixed to the squeezing roller 73 and the limiting component 7, and the squeezing roller 73 is always in contact with the fixed steel rope 4 under the squeezing action of the telescopic spring 74, and the outer wall of the limiting rod 75 fixed on the top of the squeezing roller 73 is provided with a limiting block 76, and when the squeezing roller 73 moves up and down during the winding process of the fixed steel rope 4, the limiting block 76 always slides up and down inside the limiting groove 72 on both sides of the limiting tube 71, and plays a limiting role, ensuring that the squeezing roller 73 is always stably in contact with the fixed steel rope 4, and preventing the fixed steel rope 4 from moving during the winding process.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A crane spreader, comprising a main body (1), characterized in that: The four corners of the mechanism body (1) are fixedly connected with fixing components (2), and both sides of the top of the mechanism body (1) are integrally provided with fixing plates (3), the interior of the fixing plate (3) is penetrated by a fixing steel rope (4), and the middle positions of the fixing steel ropes (4) on both sides are penetrated by a chain (5); The fixing assembly (2) comprises a first rotating shaft (21) and a driving gear (22); the driving gear (22) is welded to the outer wall of the first rotating shaft (21).

2. A crane spreader according to claim 1, characterized in that: The fixed component (2) further comprises a passive gear (23), a second rotating shaft (24) and a rotating plate (25); the side of the active gear (22) is meshedly connected with the passive gear (23); the middle position of the passive gear (23) is penetrated by the second rotating shaft (24); the second rotating shaft (24) and the fixed component (2) are rotationally connected; the outer wall of the passive gear (23) is welded with the rotating plate (25).

3. A crane spreader according to claim 2, characterized in that: The fixing assembly (2) further comprises a third rotating shaft (26), a fourth rotating shaft (27) and a fixing hook (28); the third rotating shaft (26) is rotatably connected to the lower part of the rotating plate (25); a connecting plate is fixedly connected to the middle position of the outer wall of the third rotating shaft (26); the fourth rotating shaft (27) is rotatably connected to the lower part of the connecting plate; and a fixing hook (28) is welded to the middle position of the outer wall of the fourth rotating shaft (27).

4. A lifting mechanism, comprising a crane spreader according to any one of claims 1 to 3, characterized in that: It also includes a lifting assembly (6), wherein the lifting assembly (6) includes a fifth rotating shaft (61) and a winding roller (62), and the end of the fifth rotating shaft (61) is fixedly connected to the winding roller (62).

5. A lifting mechanism according to claim 4, characterized in that: Both sides of the top of the lifting component (6) are fixedly connected to the limiting component (7), and the limiting component (7) comprises a limiting tube (71) and a limiting groove (72). The interior of the limiting tube (71) is hollow, and the limiting grooves (72) are reserved on both sides of the outer wall of the limiting tube (71).

6. A lifting mechanism according to claim 5, characterized in that: The limiting assembly (7) further comprises a limiting rod (75) and a limiting block (76); the limiting rod (75) is connected through the inner side of the limiting tube (71), and the limiting blocks (76) are integrally provided on both sides of the outer wall of the limiting rod (75).

7. A lifting mechanism according to claim 6, characterized in that: The limiting assembly (7) also includes an extrusion roller (73) and a telescopic spring (74); the bottom of the limiting rod (75) is welded to the extrusion roller (73), and both sides of the top of the extrusion roller (73) are welded to the telescopic spring (74); and the end of the telescopic spring (74) away from the extrusion roller (73) is welded to the bottom of the limiting assembly (7).

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