Underwater vehicle propeller rotating shaft convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of underwater vehicle propeller rotating shafts, in particular to an underwater vehicle propeller rotating shaft convenient to disassemble and assemble, which comprises a driving shaft and a propeller rotating shaft body, an assembling mechanism is arranged between the driving shaft and the propeller rotating shaft body, and the assembling mechanism comprises a butt joint block, a butt joint groove and a sealing box. The butt joint groove is formed in one side of one end of the driving shaft, the butt joint block is installed at one end of the propeller rotating shaft body, the butt joint block and the butt joint groove are each of a T-shaped structure, the sealing box is installed on the propeller rotating shaft body, an annular groove is formed in the sealing box, and the butt joint block and the butt joint groove are both of a T-shaped structure. According to the structure, the adjusting mechanism and the elastic component supporting system which are uniquely designed are adopted, so that quick butt joint and separation between the propeller rotating shaft body and the driving shaft are realized, the maintenance process is greatly simplified, the assembly and disassembly time is shortened, and the in-service maintenance efficiency of an underwater vehicle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of propeller shafts for underwater vehicles, in particular to a propeller shaft for underwater vehicles that is easy to disassemble and assemble. Background Art

[0002] As we all know, the traditional propeller shaft assembly of underwater vehicles usually involves complex processes and special tools, which not only increases the difficulty of maintenance, but also may cause sealing failure and reduced mechanical stability due to improper assembly. Especially when operating in underwater environments, the reliability and rapid maintenance capabilities of equipment are crucial, so it is necessary to propose a solution to this technical problem. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies of the prior art, the utility model provides a propeller shaft for an underwater vehicle which is easy to disassemble and assemble.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a propeller shaft of an underwater vehicle that is easy to disassemble and assemble, comprising a drive shaft and a propeller shaft body, an assembly mechanism is provided between the drive shaft and the propeller shaft body, the assembly mechanism comprises a docking block, a docking groove and a sealing box, the docking groove is provided on one side of one end of the drive shaft, the docking block is installed at one end of the propeller shaft body, the docking block and the docking groove are both T-shaped structures, the sealing box is installed on the propeller shaft body, an annular groove is provided inside the sealing box, the annular groove is connected to the outside of the propeller shaft body, a sealing groove is provided at the top of the annular groove, a sealing ring is provided on the sealing groove, a support ring is provided between the sealing ring and the annular groove, an elastic component is provided between the support ring and the annular groove, a plurality of elastic components are provided and arranged in a ring array, and an adjustment mechanism is provided between the sealing box and the sealing ring.

[0007] Furthermore, the utility model is improved in that the adjustment mechanism includes a sealing hole, a connecting hole and a fixing groove, the sealing hole is opened at the bottom end of the sealing box, a sealing column is provided on the sealing hole, the connecting hole is opened on the supporting ring, the sealing column passes through the connecting hole, a limiting plate is provided at the top end of the sealing column, a clamping column is provided on one side of the sealing column, the fixing groove is opened on one side of the ring groove, and a sealing mechanism is provided between the sealing hole and the sealing column.

[0008] Furthermore, the utility model is improved in that the sealing mechanism comprises a sealing sleeve, and the sealing sleeve is installed in the sealing hole.

[0009] Furthermore, the utility model is improved in that the elastic component is an alloy spring.

[0010] Furthermore, the utility model is improved in that sealing rubber rings are provided on both sides of the sealing groove.

[0011] Furthermore, the utility model is improved in that a handle is provided at the bottom end of the sealing column.

[0012] Furthermore, the utility model is improved in that a sealing strip is provided on the inner side of the top end of the sealing ring.

[0013] Furthermore, the utility model is improved in that the docking block is matched with the docking groove.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an underwater vehicle propeller shaft that is easy to disassemble and assemble, and has the following beneficial effects:

[0016] The propeller shaft of the underwater vehicle that is easy to disassemble and assemble realizes the rapid docking and separation between the propeller shaft body and the drive shaft by means of a uniquely designed adjustment mechanism and elastic component support system. This design greatly simplifies the maintenance process, reduces assembly and disassembly time, and improves the in-service maintenance efficiency of the underwater vehicle. The sealing ring fits tightly to the outside of the drive shaft through the cooperation of the support ring and the elastic component to ensure water tightness. The annular array arrangement of the elastic component not only provides uniform and stable support for the support ring, but also maintains the shape unchanged under high-speed rotation, thereby ensuring the firmness of the connection between the drive shaft and the propeller shaft body, and maintaining good mechanical stability even under high-load operation conditions.

[0017] The design of T-shaped docking blocks and docking grooves makes the assembly process intuitive and easy, without the need for special tools, reducing the difficulty of operation, improving on-site operability and the work efficiency of maintenance personnel. By simplifying the assembly and disassembly steps and reducing dependence on professional skills, it can significantly reduce maintenance costs in the long run and improve the overall operating economy of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0020] Figure 3 For this utility model Figure 1 A half-section front view of the structure of the middle propeller shaft body;

[0021] Figure 4For this utility model Figure 1 A top view of the structure of the middle propeller shaft body.

[0022] In the figure: 1. driving shaft; 2. propeller shaft body; 3. docking block; 4. docking groove; 5. sealing box; 6. sealing ring; 7. supporting ring; 8. elastic component; 9. fixing groove; 10. sealing column; 11. limiting plate; 12. clamping column; 13. sealing sleeve; 14. sealing rubber ring; 15. handle; 16. sealing strip. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4The utility model is a propeller shaft of an underwater vehicle that is easy to disassemble and assemble, including a drive shaft 1 and a propeller shaft body 2. An assembly mechanism is provided between the drive shaft 1 and the propeller shaft body 2. The assembly mechanism includes a docking block 3, a docking groove 4 and a sealing box 5. The docking groove 4 is opened on one side of one end of the drive shaft 1. The docking block 3 is installed at one end of the propeller shaft body 2. The docking block 3 and the docking groove 4 are both T-shaped structures. The sealing box 5 is installed on the propeller shaft body 2. An annular groove is opened inside the sealing box 5. The annular groove is connected to the sealing box 5. On the outer side of the propeller shaft body 2, a sealing groove is provided at the top of the annular groove, a sealing ring 6 is provided on the sealing groove, a supporting ring 7 is provided between the sealing ring 6 and the annular groove, an elastic component 8 is provided between the supporting ring 7 and the annular groove, a plurality of elastic components 8 are provided and arranged in an annular array, an adjustment mechanism is provided between the sealing box 5 and the sealing ring 6, in this embodiment, the driving shaft 1 is installed on the driving device of the underwater vehicle, and the installation method is a common installation method in existing life and is not described in detail in this structure, by using the adjustment mechanism or pushing the sealing ring 6 to move the sealing ring 6 downward , so that the sealing ring 6 moves into the ring groove, and the top end of the sealing ring 6 leaves one end of the propeller shaft body 2, and then the personnel presses the docking block 3 against the docking groove 4, and then loosens the adjustment mechanism, so that the elastic component 8 in the ring groove has an elastic supporting effect on the support ring 7. By providing a plurality of elastic components 8 arranged in an annular array, the support ring 7 can be stably and reliably elastically supported. The support ring 7 drives the sealing ring 6 to move, and the sealing ring 6 presses against the outer side of one end of the drive shaft 1. Through the docking block 3 and the docking groove 4 in a T-shaped structure, the drive shaft 1 and the propeller shaft body 2 are quickly assembled together, and the elastic The elastic component 8 can avoid being deformed by the force when the driving shaft 1 drives the propeller shaft body 2 to rotate rapidly, thereby ensuring that the driving shaft 1 is firmly assembled with the propeller shaft body 2. When the propeller shaft body 2 needs to be removed, the adjusting mechanism is pulled or the sealing ring 6 is pushed downward, so that the elastic component 8 is squeezed and contracted, and the sealing ring 6 leaves the driving shaft 1, and then the propeller shaft body 2 is pulled, so that the docking block 3 leaves the docking groove 4, thereby realizing the rapid disassembly of the propeller shaft body 2. This structure can realize the rapid assembly or disassembly of the propeller shaft body 2, and is convenient to use.

[0025] In this solution, the adjustment mechanism includes a sealing hole, a connecting hole and a fixing groove 9, the sealing hole is opened at the bottom end of the sealing box 5, a sealing column 10 is provided on the sealing hole, the connecting hole is opened on the supporting ring 7, the sealing column 10 passes through the connecting hole, a limiting plate 11 is provided on the top of the sealing column 10, a clamping column 12 is provided on one side of the sealing column 10, the fixing groove 9 is opened on one side of the ring groove, a sealing mechanism is provided between the sealing hole and the sealing column 10, and the sealing is achieved by pulling the sealing column 10. The column 10 drives the limit plate 11 to move, and the limit plate 11 pushes the support ring 7, so that the support ring 7 moves downward in the ring groove, and the elastic component 8 is squeezed and deformed by the support ring 7, so that the sealing ring 6 moves with the support ring 7, which is convenient for pulling the sealing ring 6 downward, and then the sealing column 10 is rotated to insert the clamping column 12 into the fixed groove 9, so as to fix the position of the sealing ring 6, which is convenient for using the docking block 3 to abut against or leave the docking groove 4, and then the clamping column 12 is rotated to leave the fixed groove 9, and the sealing ring 6 and the support ring 7 are reset through the elastic component 8.

[0026] In this solution, the sealing mechanism includes a sealing sleeve 13, and the sealing sleeve 13 is installed in the sealing hole. The sealing performance between the sealing column 10 and the sealing hole can be improved by the sealing sleeve 13 in the sealing hole.

[0027] In this solution, the elastic component 8 is an alloy spring. The alloy elasticity has the characteristic of good elastic support, so it can better play the elastic support effect.

[0028] In this solution, sealing rubber rings 14 are provided on both sides of the sealing groove, and the sealing rubber rings 14 can improve the sealing performance between the sealing groove and the sealing ring 6.

[0029] In this solution, a handle 15 is provided at the bottom end of the sealing column 10 , and the sealing column 10 can be easily pulled by holding the handle 15 .

[0030] In this solution, a sealing strip 16 is provided on the inner side of the top end of the sealing ring 6 , and the sealing strip 16 can improve the sealing performance between the sealing ring 6 and the driving shaft 1 when the sealing ring 6 abuts against the driving shaft 1 .

[0031] In this solution, the docking block 3 is adapted to the docking groove 4. By adapting the docking block 3 to the docking groove 4, the docking block 3 can be more stably located in the docking groove 4.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A propeller shaft of an underwater vehicle that is easy to disassemble and assemble, comprising a drive shaft (1) and a propeller shaft body (2), wherein an assembly mechanism is provided between the drive shaft (1) and the propeller shaft body (2), characterized in that: The assembly mechanism comprises a docking block (3), a docking groove (4) and a sealing box (5); the docking groove (4) is arranged on one side of one end of the driving shaft (1); the docking block (3) is mounted on one end of the propeller shaft body (2); the docking block (3) and the docking groove (4) are both T-shaped structures; the sealing box (5) is mounted on the propeller shaft body (2); an annular groove is arranged inside the sealing box (5); the annular groove is connected to the outer side of the propeller shaft body (2); a sealing groove is arranged at the top of the annular groove; a sealing ring (6) is arranged on the sealing groove; a supporting ring (7) is arranged between the sealing ring (6) and the annular groove; an elastic component (8) is arranged between the supporting ring (7) and the annular groove; a plurality of elastic components (8) are arranged in an annular array; an adjustment mechanism is arranged between the sealing box (5) and the sealing ring (6).

2. The propeller shaft of an underwater vehicle that is easy to disassemble and assemble according to claim 1, characterized in that: The adjustment mechanism comprises a sealing hole, a connecting hole and a fixing groove (9); the sealing hole is opened at the bottom end of the sealing box (5); a sealing column (10) is provided on the sealing hole; the connecting hole is opened on the supporting ring (7); the sealing column (10) passes through the connecting hole; a limiting plate (11) is provided at the top end of the sealing column (10); a clamping column (12) is provided on one side of the sealing column (10); the fixing groove (9) is opened on one side of the ring groove; and a sealing mechanism is provided between the sealing hole and the sealing column (10).

3. The propeller shaft of an underwater vehicle that is easy to disassemble and assemble according to claim 2, characterized in that: The sealing mechanism comprises a sealing sleeve (13), and the sealing sleeve (13) is installed in the sealing hole.

4. The propeller shaft of an underwater vehicle that is easy to disassemble and assemble according to claim 3, characterized in that: The elastic component (8) is an alloy spring.

5. The propeller shaft of an underwater vehicle that is easy to disassemble and assemble according to claim 4, characterized in that: Sealing rubber rings (14) are provided on both sides of the sealing groove.

6. The propeller shaft of an underwater vehicle that is easy to disassemble and assemble according to claim 5, characterized in that: A handle (15) is provided at the bottom end of the sealing column (10).

7. The propeller shaft of an underwater vehicle that is easy to disassemble and assemble according to claim 6, characterized in that: A sealing strip (16) is provided on the inner side of the top end of the sealing ring (6).

8. The propeller shaft of an underwater vehicle that is easy to disassemble and assemble according to claim 7, characterized in that: The docking block (3) is matched with the docking groove (4).

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