Propeller shaft forge piece on large ship
By designing a large marine propeller shaft forging containing a propeller connection mechanism and a main body connection mechanism, the problem of shortening the service life of the bolt caused by torsion at the connection of the propeller shaft component in the prior art is solved, and a longer service life of the bolt and a more stable connection are achieved.
Patent Information
- Application Number
- CN202421635743.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-11
AI Technical Summary
Due to torsion, the service life of bolts or screws is shortened and practicality is not good.
A large-scale ship propeller shaft forging consisting of a propeller connection mechanism, a main body connection mechanism and a transmission connection mechanism is designed. Through the installation column, the slit, the connecting groove and the connecting column, the sliding connection and the mounting column are realized to share the torque.
The service life of the bolts at the connection of the propeller shaft components is extended, and the stability and practicality of the connection are improved.
Smart Images

Figure CN222780566U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ship propeller shaft forgings, in particular to a propeller shaft forging for a large ship. Background Art
[0002] Ship propeller shaft forgings refer to shaft components used in ship propeller systems, which are processed through forging technology; the propeller shaft is a key component connecting the propeller and the power system, and undertakes the important task of transmitting power and torque.
[0003] When a propeller on a large ship is in use, it is generally necessary to connect the propeller to the propeller shaft, and the propeller rotation is realized through the propeller shaft. Currently, most of the propeller shaft components are connected together through flanges, so that the torque will act on the connection between the propeller shaft components, and the connection is mostly fixed by bolts or screws, which may shorten the service life of the bolts or screws at the connection of the propeller shaft components and have poor practicality. Therefore, in order to solve the above problems, a propeller shaft forging for a large ship is proposed. Utility Model Content
[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a propeller shaft forging for a large ship.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a propeller shaft forging on a large ship, comprising a propeller connecting mechanism, a main body connecting mechanism and a transmission connecting mechanism, the propeller connecting mechanism comprising a mounting column, a card slot is provided on the surface of the mounting column, a first connecting slot is provided inside the mounting column, a first connecting column is arranged inside the first connecting slot, a card block is arranged inside the card slot, a propeller connecting piece is fixedly connected to the lower side of the first connecting column, a first flange is fixedly connected to the surface of the mounting column, a second flange is fixedly connected to the surface of the propeller connecting piece, a second connecting column is fixedly connected to the upper side of the mounting column, a third flange is fixedly connected to the surface of the mounting column, the second flange is arranged at the lower end position of the mounting column surface, and the third flange
[0006] The plate is arranged at the upper end position of the surface of the mounting column, and the second flange plate and the first flange plate are fixedly connected together by bolts.
[0007] Preferably, the first connecting column is slidably connected to the first connecting groove, the blocking block is slidably connected to the slot, the first connecting groove and the second connecting groove are hexagonal in shape, and when the first connecting column rotates, the propeller connecting piece can be driven to rotate through the setting of the first connecting groove and the first connecting column.
[0008] Preferably, the main body connection mechanism includes a main shaft, a second connecting groove is opened inside the main shaft, a fourth flange is fixedly connected to the surface of the main shaft, a third connecting groove is opened inside the main shaft, a fifth flange is fixedly connected to the surface of the main shaft, the fourth flange is arranged at the lower end position of the main shaft surface, and the fifth flange is arranged at the upper end position of the main shaft surface.
[0009] Preferably, the second connecting column is arranged inside the second connecting groove and is slidably connected to the second connecting groove, and the main shaft is arranged on the upper side of the mounting column, and the second connecting groove is sleeved on the outside of the second connecting column, so that the fourth flange plate is docked with the third flange plate, and then the fourth flange plate can be fixed together with the third flange plate by bolts.
[0010] Preferably, the transmission connection mechanism includes a fixed column, a third connecting column is fixedly connected to the lower side of the fixed column, a sixth flange is fixedly connected to the surface of the fixed column, a mounting plate is fixedly connected to the upper side of the fixed column, a setting groove is provided inside the mounting plate, a fixing block is fixedly connected inside the setting groove, a fixing hole is penetrated through the surface of the fixed block, a setting groove extends from the upper end of the fixed block, and the fixed column is arranged at the upper side of the main shaft.
[0011] Preferably, the third connecting column is arranged inside the third connecting groove and is slidably connected to the third connecting groove. Two fixing blocks are provided. After the third connecting column slides into the third connecting groove, the sixth flange is docked with the fifth flange, and the sixth flange can be fixed together with the fifth flange by bolts.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. The utility model sets a propeller connection mechanism, the first connection column slides into the first connection groove, and the card block also slides into the card groove, so that the installation column and the propeller connection piece are connected together, and the first connection column slides into the first connection groove, and the card block also slides into the card groove.
[0014] A flange plate will also be docked with a second flange plate, so that the mounting column and the propeller connecting piece are fixed together, and the propeller and the propeller connecting piece are fixed together. When the propeller connecting piece rotates, the torque will be shared by the block and the first connecting column, thereby extending the service life of the bolts fixing the mounting column and the propeller connecting piece. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0016] FIG1 is a schematic diagram of the structure of the first type of the utility model when viewed from the front as a whole; FIG2 is a schematic diagram of the structure of the second type of the utility model when viewed from the front as a whole;
[0017] FIG3 is a schematic diagram of the structure of the utility model in a bottom cross-section; FIG4 is a schematic diagram of the structure of the utility model in a side cross-section.
[0018] In the figure: 1, mounting column; 2, slot; 3, first connecting slot; 4, first connecting column; 5, block; 6, propeller connecting piece; 7, first flange; 8, second flange; 9, second connecting column; 10, third flange; 11, main shaft; 12, second connecting slot; 13, fourth flange; 14, third connecting slot; 15, fifth flange; 16, fixing column; 17, third connecting column; 18, sixth flange; 19, mounting plate; 20, setting slot; 21, fixing block; 22, fixing hole. DETAILED DESCRIPTION
[0019] 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.
[0020] Please refer to Figures 1-4, a propeller shaft forging for a large ship includes a propeller connecting mechanism, a main body connecting mechanism and a transmission connecting mechanism. The propeller connecting mechanism includes a mounting column 1. The surface of the mounting column 1
[0021] A card slot 2 is provided, a first connecting slot 3 is provided inside the mounting column 1, a first connecting column 4 is provided inside the first connecting slot 3, a card block 5 is provided inside the card slot 2, a propeller connecting piece 6 is fixedly connected to the lower side of the first connecting column 4, a first flange 7 is fixedly connected to the surface of the mounting column 1, a second flange 8 is fixedly connected to the surface of the propeller connecting piece 6, a second connecting column 9 is fixedly connected to the upper side of the mounting column 1, a third flange 10 is fixedly connected to the surface of the mounting column 1, the first connecting column 4 is slidably connected to the first connecting slot 3, the card block 5 is slidably connected to the card slot 2, firstly align the first connecting column 4 with the first connecting slot 3, so that the first connecting column 4 slides into the first connecting slot 3, after the first connecting column 4 slides into the first connecting slot 3, the card block 5 will also slide into the card slot 2, so that the mounting column 1 and the propeller connecting piece 6 are docked together, when the mounting column 1 and the propeller connecting piece 6 are docked together, the first flange 7 will also be connected to the second flange 8 They are butt-jointed together, and then the mounting column 1 and the propeller connector 6 are fixed together by means of bolts and the first flange 7 and the second flange 8, the propeller and the propeller connector 6 are fixed together, and the transmission connection mechanism is connected to the rotating equipment together. When the rotating equipment is running, the rotational force will be transmitted to the propeller connector 6 through the mounting column 1, and the torque when the propeller connector 6 rotates will be shared by the block 5 and the first connecting column 4, so that the service life of the bolts fixing between the mounting column 1 and the propeller connector 6 is longer.
[0022] In one aspect of this embodiment, when the main shaft 11 needs to be fixed together with the mounting column 1, the second connecting column 9 is first aligned with the second connecting groove 12 so that the second connecting column 9 slides into the second connecting groove 12. After the second connecting column 9 slides into the second connecting groove 12, the main shaft 11 will be docked with the mounting column 1, and the fourth flange 13 will also be docked with the third flange 10. The main shaft 11 can be fixed together with the mounting column 1 by the arrangement of bolts and the fourth flange 13 and the third flange 10.
[0023] In one aspect of this embodiment, when the fixing column 16 needs to be fixed to the main shaft 11, the third connecting column 17 is first slid into the third connecting groove 14, so that the sixth flange 18 and the fifth flange 15 are docked together, and the fixing column 16 and the main shaft 11 can be fixed together by bolts and the sixth flange 18 and the fifth flange 15, and then the rotating end of the rotating device is clamped between the two fixing
[0024] The rotating end of the rotating device is fixed in the setting groove 20 in the mounting plate 19 by passing a bolt through the fixing hole 22 and the rotating end of the rotating device, and the propeller connecting piece 6 is installed on the propeller, so that the rotating device can drive the propeller to rotate through the fixing column 16, the main shaft 11 and the propeller connecting piece 6.
[0025] Working principle of the utility model: when the propeller shaft forging on the large ship is in use, the first connecting column 4 is aligned with the first connecting groove 3, so that the first connecting column 4 slides into the first connecting groove 3, after the first connecting column 4 slides into the first connecting groove 3, the block 5 will also slide into the groove 2, so that the mounting column 1 and the propeller connecting member 6 are docked together, when the mounting column 1 and the propeller connecting member 6 are docked together, the first flange 7 will also be docked with the second flange 8, and then the mounting column 1 and the propeller connecting member 6 are fixed together by the arrangement of bolts and the first flange 7 and the second flange 8, and then the propeller connecting member 6 is installed on the propeller, and then the second connecting column 9 is aligned with the second connecting groove 12, so that the second connecting column 9 slides into the second connecting groove 12, and after the second connecting column 9 slides into the second connecting groove 12, the main shaft 11 will be docked with the mounting column 1, and the fourth flange 13 will also be docked with the third flange 10 The main shaft 11 and the mounting column 1 are butt-jointed together, and the fourth flange 13 and the third flange 10 are provided, so that the main shaft 11 can be fixed together. Finally, the third connecting column 17 slides into the third connecting groove 14, so that the sixth flange 18 and the fifth flange 15 are butt-jointed together. The fixing column 16 and the main shaft 11 can be fixed together by the bolts and the sixth flange 18 and the fifth flange 15. Then, the rotating end of the rotating device is clamped in the setting groove 20 between the two fixing blocks 21, and the rotating end of the rotating device is fixed in the setting groove 20 in the mounting plate 19 by bolts, so that the rotating device can drive the propeller to rotate through the fixing column 16, the main shaft 11 and the propeller connector 6. In this scheme, all electrical equipment are powered by an external power supply.
[0026] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features with equivalents.
[0027] Any modifications, equivalent substitutions, improvements, etc. made within the scope of protection of this utility model shall be included in the scope of protection of this utility model.
Claims
1. A propeller shaft forging for a large ship, comprising a propeller connection mechanism, a main body connection mechanism and a transmission connection mechanism, characterized in that: The propeller connection mechanism comprises a mounting column (1), a clamping groove (2) is provided on the surface of the mounting column (1), a first connection groove (3) is provided inside the mounting column (1), a first connection column (4) is arranged inside the first connection groove (3), a clamping block (5) is arranged inside the clamping groove (2), a propeller connection piece (6) is fixedly connected to the lower side of the first connection column (4), a first flange (7) is fixedly connected to the surface of the mounting column (1), a second flange (8) is fixedly connected to the surface of the propeller connection piece (6), a second connection column (9) is fixedly connected to the upper side of the mounting column (1), and a third flange (10) is fixedly connected to the surface of the mounting column (1).
2. A propeller shaft forging for a large ship according to claim 1, characterized in that: The first connecting column (4) is slidably connected to the first connecting groove (3), and the clamping block (5) is slidably connected to the clamping groove (2).
3. The propeller shaft forging for a large ship according to claim 1, characterized in that: The main body connection mechanism comprises a main shaft (11), and a second connection groove is provided inside the main shaft (11) (12), a fourth flange (13) is fixedly connected to the surface of the main shaft (11), a third connecting groove (14) is opened inside the main shaft (11), and a fifth flange (15) is fixedly connected to the surface of the main shaft (11).
4. A propeller shaft forging for a large ship according to claim 3, characterized in that: The second connecting column (9) is arranged inside the second connecting groove (12) and is slidably connected to the second connecting groove (12), and the main shaft (11) is arranged on the upper side of the mounting column (1).
5. The propeller shaft forging for a large ship according to claim 3, characterized in that: The transmission connection mechanism comprises a fixed column (16), a third connection column (17) is fixedly connected to the lower side of the fixed column (16), a sixth flange (18) is fixedly connected to the surface of the fixed column (16), a mounting plate (19) is fixedly connected to the upper side of the fixed column (16), a setting groove (20) is provided inside the mounting plate (19), a fixing block (21) is fixedly connected inside the setting groove (20), and a fixing hole (22) is provided through the surface of the fixing block (21).
6. A propeller shaft forging for a large ship according to claim 5, characterized in that: The third connecting column (17) is arranged inside the third connecting groove (14) and is slidably connected to the third connecting groove (14), and two fixing blocks (21) are provided.