Straight wing steering oar device for rapid loading and unloading of ship

Abstract

The utility model relates to a ship straight wing steering oar device capable of being quickly assembled and disassembled, which comprises a gear, a screw and an oar blade, the upper end of the oar blade is provided with an oar blade shaft integrally formed with the oar blade, the gear is sleeved on the oar blade shaft, the screw is arranged at the upper end of the gear, and the oar blade shaft is sleeved on the oar blade shaft. And the lower end part of the screw extends downwards into the gear and is fixedly connected with the paddle shaft. Compared with the prior art, the connecting strength between the gear and the paddle can be improved, the interchangeability of parts can be improved, the manufacturing cost of the parts is reduced, the maintenance cost is reduced, and disassembly is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of ships, and in particular to a fast loading and unloading ship straight-wing rudder propeller device. Background Art

[0002] In the prior art, the straight-wing rudder propeller and the gear are connected by a flat key or a spline, which has high requirements on the relative angle between the key and the gear, reducing the interchangeability of parts while also increasing the manufacturing cost of parts; in addition, the straight-wing rudder propeller and the gear need to be pressed out or knocked out when disassembled. When pressing or knocking out the straight-wing rudder propeller, the pressure or knocking force acts on the bearing, which will greatly reduce the life of the bearing; therefore, it is necessary to solve these problems. Utility Model Content

[0003] The utility model aims to solve at least one of the above technical problems in the prior art to a certain extent. To this end, one purpose of the utility model is to provide a fast-loading and unloading ship straight-wing rudder propeller device that can improve connection strength, reduce costs, and is relatively easy to disassemble.

[0004] The utility model provides a technical solution to the above-mentioned technical problem as follows: a quick loading and unloading ship straight-wing rudder propeller device, comprising a gear, a screw and a blade, wherein the upper end of the blade is provided with a blade shaft integrally formed therewith, the gear is sleeved on the blade shaft, the screw is placed at the upper end of the gear, and the lower end of the screw extends downward into the gear and is fixedly connected to the blade shaft.

[0005] The beneficial effects of the utility model are: the gear and the blade can be fixed at any position and a great bonding force is generated, thereby improving the connection strength between the gear and the blade; the connection structure of the screw, gear and blade shaft can also improve the interchangeability of parts, reduce the manufacturing cost of parts, reduce maintenance costs, and is also more convenient for disassembly.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, the upper end of the gear is provided with a first end portion integrally formed therewith, the upper end surface of the first end portion is provided with a groove body, the first end portion is provided with a disassembly hole located at the lower end of the groove body, and the groove body and the disassembly hole pass through the first end portion; the head of the screw is located in the groove body, and the tail of the screw passes through the disassembly hole and is fixedly connected to the blade shaft.

[0008] Furthermore, the lower end of the gear is provided with a second end portion integrally formed therewith, and a fixing hole is provided in the second end portion. The fixing hole passes through the second end portion and the gear and is connected to the disassembly hole, and the blade shaft is located in the fixing hole.

[0009] Furthermore, a mounting hole opening upward is provided at the upper end of the blade shaft, and the tail of the screw extends into the mounting hole and is fixedly connected to the blade shaft via a thread.

[0010] The beneficial effect of adopting the above further scheme is that the screws extend into the mounting hole through the slot and the disassembly hole, making it convenient to use the screws to fix the gear and the blade shaft, which can effectively improve the connection strength between the gear and the blade shaft and is also relatively convenient for disassembly.

[0011] Furthermore, the tail conical surface of the screw is interference fitted with the bottom of the mounting hole.

[0012] The beneficial effect of adopting the above further scheme is that it can make the tail cone surface of the screw and the bottom of the mounting hole generate a great bonding force, provide sufficient torque for the normal operation of the straight-wing rudder propeller, and ensure the smooth operation of the straight-wing rudder propeller.

[0013] Furthermore, the inner diameter of the disassembly hole is larger than the inner diameter of the installation hole.

[0014] The beneficial effect of adopting the above further scheme is that the size of the disassembly hole is one size larger than the size of the installation hole, which makes it convenient to use the first end as a support when disassembling the blade shaft, providing support force for the disassembly of the blade shaft, avoiding acting on the bearing, and extending the service life of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of a straight-wing rudder propeller device for quick loading and unloading of a ship according to the utility model;

[0016] Figure 2 This is a side view of a straight-wing rudder-propeller device for quick loading and unloading of a ship according to the utility model;

[0017] Figure 3 This is a schematic structural diagram of a straight-wing rudder propeller device for quick loading and unloading of a ship according to the utility model;

[0018] Figure 4 for Figure 3 An enlarged schematic diagram of point A.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] 1. Gear, 2. Screw, 3. Paddle;

[0021] 4. Blade shaft, 401, mounting hole;

[0022] 5. first end portion, 501, slot body, 502, disassembly hole;

[0023] 6. Second end portion, 601, fixing hole. DETAILED DESCRIPTION

[0024] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0025] like Figures 1 to 4 As shown, a quick loading and unloading ship straight-wing rudder propeller device includes a gear 1, a screw 2 and a blade 3. The upper end of the blade 3 is provided with a blade shaft 4 integrally formed therewith, the gear 1 is sleeved on the blade shaft 4, the screw 2 is placed on the upper end of the gear 1, and the lower end of the screw 2 extends downward into the gear 1 and is fixedly connected to the blade shaft 4.

[0026] When this embodiment is used specifically, the screw 2 passes through the gear 1 and is fixedly connected to the blade shaft 4, so that the gear 1 and the blade 3 are fixedly connected, and the gear 1 and the blade 3 can be fixed at any position and generate a great bonding force, thereby improving the connection strength between the gear 1 and the blade 3; the connection structure of the screw 2, the gear 1 and the blade shaft 4 can also improve the interchangeability of parts, reduce the manufacturing cost of parts, reduce maintenance costs, and is also more convenient to disassemble.

[0027] In the above embodiment, Figure 3 and Figure 4 As shown, the upper end of the gear 1 is provided with a first end portion 5 integrally formed therewith, the upper end surface of the first end portion 5 is provided with a groove body 501, the first end portion 5 is provided with a disassembly hole 502 at the lower end of the groove body 501, the groove body 501 and the disassembly hole 502 pass through the first end portion 5; the head of the screw 2 is located in the groove body 501, and the tail of the screw 2 passes through the disassembly hole 502 and is fixedly connected to the blade shaft 4.

[0028] In the above embodiment, Figure 3 and Figure 4 As shown, the lower end of the gear 1 is provided with a second end portion 6 integrally formed therewith, and a fixing hole 601 is provided in the second end portion 6. The fixing hole 601 passes through the second end portion 6 and the gear 1 and is connected to the disassembly hole 502, and the blade shaft 4 is located in the fixing hole 601.

[0029] In the above embodiment, Figure 3 and Figure 4 As shown, the upper end of the blade shaft 4 is provided with a mounting hole 401 opening upward, and the tail of the screw 2 extends into the mounting hole 401 and is fixedly connected to the blade shaft 4 by threads.

[0030] In specific applications, the groove 501 and the disassembly hole 502 on the first end 5 facilitate the arrangement of the screw 2, and the screw 2 extends into the mounting hole 401 through the groove 501 and the disassembly hole 502, so that the gear 1 and the blade shaft 4 can be fixed with the screw 2, which can effectively improve the connection strength between the gear 1 and the blade shaft 4, and the disassembly is also more convenient;

[0031] In the above embodiment, Figure 3 and Figure 4 As shown, the conical surface at the tail of the screw 2 is interference fitted with the bottom of the mounting hole 401 .

[0032] In specific applications, the tail conical surface of the screw 2 and the bottom of the mounting hole 401 are interference-fitted, which can generate a great binding force between the tail conical surface of the screw 2 and the bottom of the mounting hole 401, providing sufficient torque for the normal operation of the straight-wing rudder propeller and ensuring the smooth operation of the straight-wing rudder propeller.

[0033] In the above embodiment, Figure 3 and Figure 4 As shown, the inner diameter of the disassembly hole 502 is larger than the inner diameter of the installation hole 401 .

[0034] In specific applications, the size of the disassembly hole 502 is one size larger than the size of the installation hole 401. When disassembling the blade shaft 4, the screw 2 can be taken out first, and then the equipment can be used to push it out or the output end of the hydraulic station can be extended into the disassembly hole 502 to apply pressure to push the blade shaft 4 out of the fixing hole 601. The first end 5 is used as a support to provide support force for the disassembly of the blade shaft 4, avoid acting on the bearing, and extend the service life of the bearing.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A straight-wing rudder propeller device for quick loading and unloading of ships, characterized in that: The invention comprises a gear (1), a screw (2) and a blade (3); the upper end of the blade (3) is provided with a blade shaft (4) integrally formed therewith; the gear (1) is sleeved on the blade shaft (4); the screw (2) is placed on the upper end of the gear (1); the lower end of the screw (2) extends downward into the gear (1) and is fixedly connected to the blade shaft (4).

2. The fast loading and unloading ship straight-wing rudder propeller device according to claim 1, characterized in that: The upper end of the gear (1) is provided with a first end portion (5) integrally formed therewith, the upper end surface of the first end portion (5) is provided with a groove body (501), the first end portion (5) is provided with a disassembly hole (502) at the lower end of the groove body (501), the groove body (501) and the disassembly hole (502) pass through the first end portion (5); the head of the screw (2) is located in the groove body (501), and the tail of the screw (2) passes through the disassembly hole (502) and is fixedly connected to the blade shaft (4).

3. The fast loading and unloading ship straight-wing rudder propeller device according to claim 2, characterized in that: The lower end of the gear (1) is provided with a second end portion (6) integrally formed therewith, and a fixing hole (601) is provided in the second end portion (6). The fixing hole (601) passes through the second end portion (6) and the gear (1) and is connected to the disassembly hole (502), and the blade shaft (4) is located in the fixing hole (601).

4. The fast loading and unloading ship straight-wing rudder propeller device according to claim 3 is characterized in that: The upper end of the blade shaft (4) is provided with a mounting hole (401) opening upward, and the tail of the screw (2) extends into the mounting hole (401) and is fixedly connected to the blade shaft (4) by means of a thread.

5. The fast loading and unloading ship straight-wing rudder propeller device according to claim 4, characterized in that: The conical surface at the rear of the screw (2) is interference fitted with the bottom of the mounting hole (401).

6. The fast loading and unloading ship straight-wing rudder propeller device according to claim 5, characterized in that: The inner diameter of the disassembly hole (502) is greater than the inner diameter of the installation hole (401).

Images