High-strength light-weight ship crane roller structure

Abstract

The utility model relates to the field of ship crane winding drums, and discloses a high-strength light-weight ship crane winding drum structure which comprises a main shaft, fixing pieces are fixedly connected to the outer sides of the two ends of the main shaft, fixing plates are arranged on the outer sides of the fixing pieces, a fixing mechanism is arranged on the outer side of the main shaft, and the fixing mechanism comprises a supporting assembly and a limiting assembly. The supporting assembly comprises a connecting column, and the connecting column is connected to the inner wall of the fixing plate in an inserted mode. According to the utility model, the connecting column is inserted into the inner wall of the fixing plate and is fixed through the bolt, the cylinder plate is clamped on the inner wall of the fixing plate, and the supporting piece in the middle of the main shaft supports the connecting column, so that the modularization is realized, the structure deformation risk is reduced, the maintenance and replacement are convenient, and the use cost is reduced; the overall weight of the winding drum is reduced while the strength is guaranteed, the energy consumption and the structural burden of the crane are reduced, and the lifting height and the operation range of the crane can be increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to ship hoist reel field especially relates to a high strength light weight ship hoist reel structure. BACKGROUND

[0002] The ship hoist is the key equipment of ship loading and unloading goods, and its performance directly influences the ship operation efficiency and economic benefits, and the reel is the core component of the hoist, is responsible for winding and releasing the steel wire rope, and bears huge tension and complex stress in the hoisting operation process.

[0003] The traditional ship hoist reel is mostly made of cast iron or ordinary steel, and the cast iron and ordinary steel have large density, so that the reel is heavy, increases the energy consumption and structural burden of the hoist as a whole, limits the lifting height and operation range of the hoist, and the traditional reel bearing alternating load for a long time is prone to fatigue cracks and abrasion in the severe working environment of the ship, so that it needs to be replaced, thereby increasing the use cost, and therefore the high strength light weight ship hoist reel structure is provided to solve the above problems. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a high strength light weight ship hoist reel structure, which aims at solving the problems of the traditional reel in the prior art, such as heavy weight, limited hoist efficiency, and the need for replacement after abrasion, thereby increasing the use cost.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a high strength light weight ship hoist reel structure, comprising a main shaft, the outer side of both ends of the main shaft is fixedly connected with a fixing piece, the outer side of the fixing piece is provided with a fixed plate, the outer side of the main shaft is provided with a fixing mechanism, the fixing mechanism comprises a supporting assembly and a limiting assembly, the supporting assembly comprises a connecting column, the connecting column is inserted into the inner wall of the fixed plate, the outer side of the connecting column is fixedly installed with a cylinder plate through a connecting piece, and the cylinder plate is clamped in the inner wall of the fixed plate, recesses are regularly arranged on the lower side of the cylinder plate, the connecting column and the fixed plate are fixedly installed through bolts, and the outer side of the middle part of the main shaft is fixedly connected with a supporting piece for supporting the connecting column.

[0006] Further description of the above technical scheme:

[0007] The limiting assembly comprises a blocking disc rotatably connected to the outer side of the fixed plate, a limiting hole is formed in the side of the blocking disc close to the fixing piece, the inner wall of the fixing piece is slidably connected with a limiting piece clamped in the inner wall of the limiting hole, the lower part of the limiting piece is elastically connected with the inner wall of the fixing piece through a compression spring, the lower part of the limiting piece is fixedly connected with a baffle, and the baffle slides on the outer side of the fixing piece.

[0008] As a further description of the above technical solutions:

[0009] The groove is arranged in a regular hexagonal shape.

[0010] As a further description of the above technical solutions:

[0011] The cylinder plate is provided in multiple groups, and adjacent two groups of the cylinder plate are closely attached.

[0012] As a further description of the above technical solutions:

[0013] The blocking disc is provided with through grooves on the outer side, and the number of the through grooves corresponds to the number of the bolts.

[0014] As a further description of the above technical solutions:

[0015] The auxiliary assembly is arranged on the lower part of the baffle plate, and the auxiliary assembly comprises a fixed cylinder fixedly connected to the lower part of the baffle plate, and a limiting rod slidingly connected to the inner wall of the fixed cylinder.

[0016] As a further description of the above technical solutions:

[0017] The right side of the limiting rod is arranged in a T shape.

[0018] As a further description of the above technical solutions:

[0019] The diameter of the middle part of the limiting rod is greater than the diameter of the left end.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. In the utility model, the connecting column is inserted into the inner wall of the fixed plate and fixed by bolts, the cylinder plate is clamped in the inner wall of the fixed plate, and the support of the middle part of the main shaft supports the connecting column, so that the modularization is realized, the risk of structural deformation is reduced, maintenance and replacement are facilitated, the use cost is reduced, the overall weight of the winding drum is reduced while the strength is ensured, the energy consumption and structural burden of the crane are reduced, and the lifting height and operation range of the crane are improved.

[0022] 2. In the utility model, the blocking disc is rotatably connected to the outer side of the fixed plate, the limiting member is elastically connected to the fixed member by a compression spring and clamped in the limiting hole, the bolts can be prevented from loosening accidentally during work, the connection stability of the components of the winding drum is ensured, the service life of the winding drum is prolonged, and the continuity and safety of ship operation are improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall device in the utility model;

[0024] Figure 2This is a three-dimensional structural diagram of the disassembled integral device in this utility model;

[0025] Figure 3 This is a three-dimensional structural diagram of the middle cylinder plate and groove of this utility model;

[0026] Figure 4 This is a three-dimensional structural diagram showing the disassembled fastener and limiting hole in this utility model;

[0027] Figure 5 This utility model Figure 4 Enlarged 3D structural diagram at point A;

[0028] Figure 6 This is a three-dimensional structural diagram showing the disassembled fixed cylinder and limiting rod in this utility model.

[0029] Legend:

[0030] 1. Spindle; 2. Fixing component; 3. Fixing plate; 4. Support assembly; 41. Connecting column; 42. Connecting component; 43. Cylinder plate; 44. Support component; 45. Groove; 5. Bolt; 6. Limiting assembly; 61. Blocking disc; 62. Limiting hole; 63. Limiting component; 64. Compression spring; 65. Baffle; 7. Auxiliary assembly; 71. Fixing cylinder; 72. Limiting rod. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1 - Figure 3 This utility model provides an embodiment of a high-strength, lightweight marine crane drum structure, including a main shaft 1, which serves as the core support component of the drum structure. Fixing members 2 are fixedly connected to the outer sides of both ends of the main shaft 1 to fix the fixing plate 3, providing a stable rotation center for the entire drum. The fixing plate 3 is provided on the outer side of the fixing member 2 to provide an installation position for the connecting column 41. The connecting column 41 is inserted into its inner wall and fixed by bolts 5, engaging with the drum plate 43 to jointly construct the main frame of the drum, enhancing the overall stability of the drum structure and making the drum less prone to deformation when subjected to complex stresses. A fixing mechanism is provided on the outer side of the main shaft 1, which includes a support component 4 and a limiting component 6. The support component 4 includes the connecting column 41, which is inserted into the inner wall of the fixing plate 3.

[0033] Reference Figure 1 -Figure 3 A cylindrical plate 43 is fixedly installed on the outside of the connecting column 41 via a connector 42. The connecting column 41 is a key component connecting the cylindrical plate 43 and the fixed plate 3. The cylindrical plate 43 is fixedly installed on its outside via the connector 42 and is fixed to the fixed plate 3 with bolts 5, ensuring the stability of the cylindrical plate 43 during operation. At the same time, it transmits the tension of the wire rope to the fixed plate 3 and the main shaft 1. When maintenance is required, the modular design of the components allows for the replacement of damaged parts, reducing operating costs. Multiple sets of cylindrical plates 43 are provided, with adjacent sets of cylindrical plates 43 fitting tightly together. Furthermore, the drum plate 43 is snapped onto the inner wall of the fixing plate 3. The lower side of the drum plate 43 has a groove 45 regularly provided. The groove 45 is set in a regular hexagonal shape. While ensuring the strength of the drum plate 43, it effectively reduces the overall weight of the drum. The connecting column 41 is fixedly installed to the fixing plate 3 by bolts 5. The outer side of the middle part of the main shaft 1 is fixedly connected to a support member 44 for supporting the connecting column 41, which supports the connecting column 41, shares part of the pressure borne by the connecting column 41 during operation, enhances the stability of the connecting column 41, and thus improves the load-bearing capacity of the entire drum structure.

[0034] Reference Figure 2 , Figure 4 and Figure 5 The limiting component 6 includes a blocking disc 61 rotatably connected to the outside of the fixed plate 3. A through groove is provided on the outside of the blocking disc 61. The blocking disc 61 contacts the outside of the bolt 5. The number of through grooves corresponds to the number of bolts 5, which can prevent the bolts 5 from loosening accidentally during operation. It can also cooperate with the limiting component 63 to limit the rotation angle of the blocking disc 61 and ensure that the relative positions of the various components of the drum are fixed during operation. A limiting hole 62 is provided on the side of the blocking disc 61 near the fixed component 2. It cooperates with the limiting component 63 to provide a snap-fit ​​position for the limiting component 63. Through the interaction of the two, the blocking disc 61 is limited.

[0035] Reference Figure 4 - Figure 6 The inner wall of the fixing part 2 is slidably connected to a limiting part 63 that is snapped into the inner wall of the limiting hole 62. The lower part of the limiting part 63 is elastically connected to the inner wall of the fixing part 2 through a compression spring 64. Under the action of the compression spring 64, the limiting part 63 always maintains the tendency to snap into the limiting hole 62, preventing the blocking plate 61 from rotating at will. The lower part of the limiting part 63 is fixedly connected to a baffle 65, which closes the slide required for the upper limit part 63 of the fixing part 2 to reduce the entry of impurities. The baffle 65 slides on the outside of the fixing part 2.

[0036] Reference Figure 5 and Figure 6An auxiliary component 7 is provided at the lower part of the baffle 65. The auxiliary component 7 includes a fixed cylinder 71 fixedly connected to the lower part of the baffle 65, which provides a sliding track for the limiting rod 72, allowing the limiting rod 72 to slide smoothly within it. The limiting rod 72 is slidably connected to the inner wall of the fixed cylinder 71, and can fit and press against the outer side of the fixing member 2, thereby controlling the position of the limiting member 63. The right side of the limiting rod 72 is T-shaped, which makes it easy for the operator to pull the limiting rod 72. The diameter of the middle part of the limiting rod 72 is larger than the diameter of the left end, which can prevent the limiting rod 72 from detaching from the fixed cylinder 71.

[0037] Working principle: When the ship crane is in use, the power source such as the motor drives the main shaft 1 to rotate. The fixing parts 2 at both ends of the main shaft 1 and the outer fixing plate 3 are tightly fitted together. The fixing parts 2 stabilize the main shaft 1, and the fixing plate 3 provides the installation foundation for the connecting column 41, which together ensures the stability of the rotation of the main shaft 1. The connecting column 41 is inserted into the inner wall of the fixing plate 3 and fixed by bolts 5, which transmits the rotation of the main shaft 1 to the cylinder plate 43.

[0038] Meanwhile, the support member 44 on the outer side of the middle part of the main shaft 1 supports the connecting column 41, sharing part of the pressure borne by the connecting column 41 during operation, enhancing the stability of the connecting column 41, and enabling the drum to rotate stably around the main shaft 1 and bear the tension of the wire rope. The regular hexagonal groove 45 on the lower side of the drum plate 43 reduces the overall weight of the drum while ensuring the strength of the drum plate 43, which helps to increase the lifting height and working range of the crane. At the same time, it may optimize the stress distribution of the drum plate 43, making the stress more uniform when the drum is under tension.

[0039] During the operation of the drum, the blocking disc 61 connected to the outside of the fixed plate 3 is rotated. Its outer groove cooperates with the bolt 5 to prevent the bolt 5 from loosening. When maintenance is required, the limiting rod 72 is pulled to compress the spring 64, which causes the limiting part 63 to slide out from the inner wall of the limiting hole 62, thus releasing the limitation on the blocking disc 61. At this time, the blocking disc 61 is rotated to align the bolt 5 through the groove and release the limitation on the bolt 5, which is convenient for maintenance.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-strength, lightweight marine crane drum structure, comprising a main shaft (1), characterized in that: The main shaft (1) is fixedly connected to the outer sides of both ends by fasteners (2), and a fixing plate (3) is provided on the outer side of the fasteners (2). A fixing mechanism is provided on the outer side of the main shaft (1), and the fixing mechanism includes a support component (4) and a limiting component (6). The support assembly (4) includes a connecting column (41), which is inserted into the inner wall of the fixing plate (3). A cylindrical plate (43) is fixedly installed on the outer side of the connecting column (41) through a connector (42), and the cylindrical plate (43) is snapped into the inner wall of the fixing plate (3). A groove (45) is regularly opened on the lower side of the cylindrical plate (43). The connecting column (41) and the fixing plate (3) are fixedly installed by bolts (5). A support member (44) for supporting the connecting column (41) is fixedly connected to the outer side of the middle part of the main shaft (1).

2. The high-strength lightweight marine crane drum structure according to claim 1, characterized in that: The limiting component (6) includes a blocking disc (61) rotatably connected to the outside of the fixing plate (3). The blocking disc (61) has a limiting hole (62) on the side near the fixing member (2). The inner wall of the fixing member (2) is slidably connected to a limiting member (63) that is engaged with the inner wall of the limiting hole (62). The lower part of the limiting member (63) is elastically connected to the inner wall of the fixing member (2) through a compression spring (64). The lower part of the limiting member (63) is fixedly connected to a baffle (65), which slides on the outside of the fixing member (2).

3. The high-strength lightweight marine crane drum structure according to claim 1, characterized in that: The groove (45) is configured as a regular hexagon.

4. The high-strength lightweight marine crane drum structure according to claim 1, characterized in that: The cylindrical plate (43) is provided in multiple sets, and the adjacent sets of cylindrical plates (43) are closely fitted together.

5. The high-strength lightweight marine crane drum structure according to claim 2, characterized in that: The outer side of the blocking disc (61) is provided with a through groove, and the blocking disc (61) contacts the outer side of the bolt (5). The number of through grooves corresponds to the number of bolts (5).

6. The high-strength lightweight marine crane drum structure according to claim 2, characterized in that: An auxiliary component (7) is provided at the lower part of the baffle (65). The auxiliary component (7) includes a fixed cylinder (71) fixedly connected to the lower part of the baffle (65). A limit rod (72) is slidably connected to the inner wall of the fixed cylinder (71).

7. A high-strength, lightweight marine crane drum structure according to claim 6, characterized in that: The right side of the limiting rod (72) is T-shaped.

8. A high-strength, lightweight marine crane drum structure according to claim 6, characterized in that: The diameter of the middle part of the limiting rod (72) is larger than the diameter of the left end.

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