Deck combined steering oar assembly

Abstract

The utility model relates to the technical field of steering oars, and discloses a deck combined steering oar assembly which comprises a rudder shaft, a shaft sleeve is fixedly sleeved on the rudder shaft, a plurality of clamping grooves are arranged on the shaft sleeve, blades matched with the clamping grooves in number are arranged on the shaft sleeve, one end of each blade is located inside the corresponding clamping groove, and the other end of each blade is located inside the corresponding clamping groove. Each paddle is provided with an installation assembly, and a sealing assembly is arranged between each paddle and the corresponding clamping groove. According to the deck combined steering oar assembly, when the oar blades are damaged and need to be replaced, only the damaged oar blades need to be replaced, the whole shaft sleeve and all the oar blades do not need to be replaced, maintenance cost is saved, the maintenance process is simplified, and maintenance is more convenient and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of rudder and propeller, in particular to a deck combined rudder and propeller assembly. Background Art

[0002] The steering propeller is one of the important devices on a ship for controlling the ship's heading. It is usually installed at the stern of the ship or on the rudder. It achieves the turning of the ship by changing the direction and force of the water flow. It is usually composed of components such as rudder blades, rudder shafts and tiller handles. Different types of ships may use steering propellers of different forms and structures to adapt to different ship types and navigation requirements.

[0003] When the multiple blades on the rudder propeller rotate, they can generate reaction force to propel the ship. Generally, the blades and the shaft sleeve are integrally formed. During the sailing of the ship, stones, fish and other objects in the water may hit the blades, causing deformation and bending of the blades. Secondly, the blades may corrode when immersed in water for a long time, resulting in degradation of structural performance. When one of the blades has the above problems, the entire shaft sleeve and all the blades need to be removed and replaced instead of just replacing the damaged blade part. This increases the cost and complexity of maintenance and repair, increases the burden of ship maintenance, and also causes other intact parts to be discarded, resulting in a waste of resources.

[0004] Therefore, it is necessary to design a deck combined rudder-propeller assembly to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a deck combined rudder-propeller assembly.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A deck combined rudder and propeller assembly comprises a rudder shaft, a shaft sleeve is provided on the fixed sleeve of the rudder shaft, a plurality of slots are provided on the shaft sleeve, a number of blades matching the number of slots are provided on the shaft sleeve, one end of the blade is located inside the slot, a mounting assembly is provided on each blade, and a sealing assembly is provided between each blade and the slot.

[0008] As a preferred technical solution of the utility model, the mounting assembly includes a mounting hole that is arranged through the side wall of the blade, the side wall of the sleeve is provided with a screw, and the screw is threadedly connected to the sleeve, the tail of the screw passes through the mounting hole, and the screw is threadedly connected to the inner side of the mounting hole.

[0009] As a preferred technical solution of the utility model, the sealing assembly includes a sealing rubber fixedly connected in the slot, the tail of the screw penetrates the side wall of the sealing rubber, the interior of the sealing rubber is hollow, and the sealing assembly also includes a fastener.

[0010] As a preferred technical solution of the utility model, the fastener includes a connecting groove arranged on the inner side of the card slot, the inner side of the connecting groove is sealingly and slidingly connected with a sliding plug, a spring is provided between the side wall of the sliding plug and the inner side of the connecting groove, a connecting tube is connected to the sealing rubber, the connecting tube is connected to the interior of the connecting groove, and the tail of the screw extends to the interior of the connecting groove.

[0011] As a preferred technical solution of the utility model, the side wall of the shaft sleeve is fixedly connected with a mounting ring, the heads of the screw rods are all located in the mounting ring, and the threaded sleeve on the mounting ring is provided with a mounting cover.

[0012] As a preferred technical solution of the utility model, the installation cover is a hemispherical structure, and the inner side of the installation cover abuts against the head of the screw.

[0013] The utility model has the following beneficial effects:

[0014] 1. Reduce maintenance and repair costs: By separating the propeller blade from the shaft sleeve, when a propeller blade is damaged, only the damaged propeller blade needs to be replaced without replacing the entire shaft sleeve and all the propeller blades, thereby saving maintenance costs and simplifying the maintenance process, making maintenance more convenient and efficient;

[0015] 2. Prevent water corrosion: The sealing rubber can prevent water from entering the slot and prevent the connection between the blade and the sleeve from being immersed in water, thereby avoiding water corrosion on the connection and further extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a deck combined rudder-propeller assembly proposed by the utility model;

[0017] Figure 2 This is an exploded view of the sleeve, screw and mounting cover;

[0018] Figure 3 It is a schematic diagram of the structure inside the blade and the sleeve;

[0019] Figure 4 for Figure 3 A magnified view of the structure at A;

[0020] Figure 5 Schematic diagram of the structure of the sealing rubber.

[0021] In the figure: 1 rudder shaft, 2 shaft sleeve, 3 blade, 4 slot, 5 screw rod, 6 mounting hole, 7 connecting slot, 8 sliding plug, 9 spring, 10 sealing rubber, 11 connecting pipe, 12 mounting ring, 13 mounting cover. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-5 A deck combined rudder and propeller assembly comprises a rudder shaft 1, a shaft sleeve 2 is fixedly provided on the rudder shaft 1, a plurality of slots 4 are provided on the shaft sleeve 2, blades 3 matching the number of the slots 4 are provided on the shaft sleeve 2, one end of the blade 3 is located inside the slot 4, each blade 3 is provided with a mounting assembly, a sealing assembly is provided between each blade 3 and the slot 4, and each blade 3 can be disassembled and installed separately. In this way, when one of the blades 3 is damaged, there is no need to replace the entire shaft sleeve 2 and all the blades 3, thereby reducing the maintenance cost.

[0024] Reference Figure 2 and Figure 4 The mounting assembly includes a mounting hole 6 that penetrates the side wall of the blade 3, a screw 5 is provided on the side wall of the sleeve 2, and the screw 5 is threadedly connected to the sleeve 2, the tail of the screw 5 passes through the mounting hole 6, and the screw 5 is threadedly connected to the inner side of the mounting hole 6. Fixing with the screw 5 can ensure the stability of the connection between the blade 3 and the sleeve 2.

[0025] Reference Figure 4 and Figure 5 The sealing assembly includes a sealing rubber 10 fixedly connected to the card slot 4. The tail of the screw 5 passes through the side wall of the sealing rubber 10. The interior of the sealing rubber 10 is hollow. The sealing rubber 10 generates pressure on the blade 3, thereby improving the firmness of the device to fix the blade 3. Secondly, it can prevent water from entering the card slot 4, protect the parts in the card slot 4, and at the same time reduce the wear between the blade 3 and the card slot 4 during operation, thereby extending the service life of the device. The sealing assembly also includes fasteners.

[0026] Reference Figure 4 The fastener includes a connecting groove 7 arranged on the inner side of the card slot 4, and a sliding plug 8 is sealingly and slidingly connected to the inner side of the connecting groove 7. A spring 9 is arranged between the side wall of the sliding plug 8 and the inner side of the connecting groove 7. A connecting pipe 11 is connected to the sealing rubber 10, and the connecting pipe 11 is connected to the inside of the connecting groove 7. The tail of the screw 5 extends to the inside of the connecting groove 7. With the fastener, the screw 5 will squeeze the air into the sealing rubber 10 during the installation process, thereby further filling the gap between the blade 3 and the card slot 4, improving the sealing performance of the device, and then delaying the corrosion rate at the connection between the blade 3 and the sleeve 2, which helps to ensure the stability of the connection between the two.

[0027] Reference Figure 1 and Figure 2The side wall of the sleeve 2 is fixedly connected with a mounting ring 12, and the heads of the screws 5 are located in the mounting ring 12. A mounting cover 13 is threadedly sleeved on the mounting ring 12. The mounting cover 13 can protect the heads of the screws 5 and delay the corrosion of the screws 5.

[0028] Reference Figure 1 and Figure 2 The mounting cover 13 has a hemispherical structure, and the inner side of the mounting cover 13 abuts against the head of the screw 5. The mounting cover 13 can reduce the friction between the sleeve 2 and the water flow and reduce the load of the device. Secondly, after the mounting cover 13 is installed, it can apply a pressure to the head of the screw 5, which can delay the loosening of the screw 5 during the operation of the machine and improve the stability of the overall structure of the device.

[0029] The specific working principle of the utility model is as follows:

[0030] During installation, insert one end of the blade 3 into the slot 4, and screw the screw 5 so that the tail of the screw 5 can pass through the mounting hole 6 and be located inside the connecting slot 7, so that the blade 3 can be fixed, so that the blade 3 can be connected to the shaft sleeve 2 alone. In this way, when one of the blades 3 is damaged, only the blade 3 needs to be replaced, and there is no need to remove the entire shaft sleeve 2 and all the blades 3 for replacement, which saves the maintenance cost of the rudder propeller;

[0031] Furthermore, in the process of the screw rod 5 moving to the extreme position of the sleeve 2, the tail of the screw rod 5 will squeeze the sliding plug 8, causing the sliding plug 8 to move and squeeze the air in the connecting groove 7, so that the air enters the inside of the sealing rubber 10 through the connecting pipe 11. The sealing rubber 10 will be inflated and will squeeze the inner side of the slot 4 and the side wall of the blade 3. On the one hand, this can further fix the position of the blade 3, improve the stability of the device structure, and reduce the deviation of the ship when the blade 3 is running. On the other hand, the sealing rubber 10 can prevent water from entering the inside of the slot 4, preventing the connection between the blade 3 and the sleeve 2 from being immersed in water. Since the blade 3 will be squeezed with the sleeve 2 during rotation, the connection between the two is prone to wear. The sealing rubber 10 can buffer the connection and reduce wear. Secondly, the water flow will not corrode the connection, thereby extending the service life of the device.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A deck combined rudder propeller assembly, comprising a rudder shaft (1), characterized in that: The fixed sleeve on the rudder shaft (1) is provided with a shaft sleeve (2), the shaft sleeve (2) is provided with a plurality of slots (4), the shaft sleeve (2) is provided with blades (3) whose number matches the number of the slots (4), one end of the blade (3) is located inside the slot (4), each blade (3) is provided with a mounting assembly, and a sealing assembly is provided between each blade (3) and the slot (4).

2. A deck combined rudder propeller assembly according to claim 1, characterized in that: The mounting assembly comprises a mounting hole (6) penetratingly arranged on the side wall of the blade (3); a screw (5) is provided on the side wall of the shaft sleeve (2), and the screw (5) is threadedly connected to the shaft sleeve (2); the tail of the screw (5) passes through the mounting hole (6), and the screw (5) is threadedly connected to the inner side of the mounting hole (6).

3. A deck combined rudder propeller assembly according to claim 2, characterized in that: The sealing assembly comprises a sealing rubber (10) fixedly connected in the slot (4), the tail of the screw (5) penetrates the side wall of the sealing rubber (10), the interior of the sealing rubber (10) is in a hollow state, and the sealing assembly also comprises a fastener.

4. A deck combined rudder propeller assembly according to claim 3, characterized in that: The fastener comprises a connecting groove (7) arranged on the inner side of the card groove (4); a sliding plug (8) is sealingly and slidably connected to the inner side of the connecting groove (7); a spring (9) is arranged between the side wall of the sliding plug (8) and the inner side of the connecting groove (7); a connecting pipe (11) is connected to the sealing rubber (10); the connecting pipe (11) is connected to the inside of the connecting groove (7); and the tail of the screw rod (5) extends to the inside of the connecting groove (7).

5. A deck combined rudder propeller assembly according to claim 2, characterized in that: The side wall of the shaft sleeve (2) is fixedly connected with a mounting ring (12), the head of each screw rod (5) is located inside the mounting ring (12), and a mounting cover (13) is threadedly sleeved on the mounting ring (12).

6. A deck combined rudder propeller assembly according to claim 5, characterized in that: The installation cover (13) is a hemispherical structure, and the inner side of the installation cover (13) abuts against the head of the screw rod (5).

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