Propeller hydraulic nut stopping device

Abstract

The invention provides a propeller hydraulic nut stop device which is used for limiting a propeller, the propeller is arranged on a propeller shaft, the propeller shaft can drive the propeller to rotate, a hydraulic nut is arranged at the end of the propeller shaft and is in threaded connection with the propeller shaft, and the propeller hydraulic nut stop device is arranged on the propeller shaft. The propeller hydraulic nut stopping device is connected with a hydraulic nut and a propeller shaft and used for limiting the hydraulic nut, the propeller hydraulic nut stopping device comprises the hydraulic nut, a stopping part and a fixing assembly, the stopping part is arranged on the end face of the propeller shaft, and the fixing assembly comprises a plurality of first fixing parts and a plurality of second fixing parts. The first fixing components are connected with the stop component and the propeller shaft so as to fix the stop component, the second fixing components are connected with the stop component and the hydraulic nut so as to limit the position of the hydraulic nut, the hydraulic nut is prevented from being separated from the propeller shaft, and therefore the hydraulic nut is prevented from falling off.

Description

Technical Field

[0001] The invention belongs to the technical field of vehicle transport ships, and in particular relates to a propeller hydraulic nut stopping device. Background Art

[0002] At present, keyless press-fit propellers are generally used on vehicle transport ships. In order to prevent the propeller from falling off the propeller shaft, a hydraulic nut is usually added to the rear end of the propeller for locking. Since the hydraulic nut and the propeller shaft are threaded, there is also a possibility of loosening. Therefore, in order to avoid the loosening of the hydraulic bolt, the current method is to use a conventional hydraulic nut stopper to connect the propeller shaft with a bolt at one end and weld the other end to the hydraulic nut to achieve the purpose of loosening. However, this method is difficult to disassemble and assemble twice, and forced disassembly and assembly may damage the threaded connection between the hydraulic nut and the propeller shaft; at the same time, this method requires welding on the ship, adding grinding, welding, cleaning and other links, which is time-consuming and laborious.

[0003] Based on the above situation, there is an urgent need to provide a new type of propeller hydraulic nut stopping device. Summary of the invention

[0004] The embodiment of the present invention provides a propeller hydraulic nut stopping device, which has a simple structure and is easy to install and disassemble. The installation or disassembly process will not cause damage to the threaded connection between the hydraulic nut and the propeller shaft.

[0005] The present invention provides a propeller hydraulic nut stopping device, which is used to limit the position of a propeller. The propeller is arranged on a propeller shaft, and the propeller can rotate around the propeller shaft. The hydraulic nut is arranged at the end of the propeller shaft, and the hydraulic nut is threadedly connected to the propeller shaft. The propeller hydraulic nut stopping device is arranged on the propeller shaft, and the propeller hydraulic nut stopping device is respectively connected to the hydraulic nut and the propeller shaft. The propeller hydraulic nut stopping device comprises: a stopping component, which is arranged on the end surface of the propeller shaft; a fixing assembly, which comprises a plurality of first fixing components and a plurality of second fixing components, each of the first fixing components is connected to the stopping component and the propeller shaft, and each of the second fixing components is connected to the stopping component and the hydraulic nut.

[0006] In some optional embodiments, the stopping component includes a first stopping element, a second stopping element and a third stopping element, and the first stopping element and the third stopping element are arranged face to face on a peripheral side of the second stopping element.

[0007] In some optional embodiments, the first stopping element is welded to the circumferential side of the second stopping element, and the third stopping element is respectively welded to the circumferential side of the second stopping element.

[0008] In some optional embodiments, in the axial direction of the propeller shaft, the second stopping element coincides with a projection of the end face of the propeller shaft.

[0009] In some optional embodiments, the hydraulic nut is provided with a plurality of first fastening components, the first stopping element is provided with a plurality of second fastening components, the third stopping element is provided with a plurality of third fastening components, one first fixing component penetrates one first fastening component and one second fastening component, and one first fixing component penetrates one first fastening component and one third fastening component.

[0010] In some optional embodiments, the first fastening component, the second fastening component and the third fastening component are all bolt holes, and the first fixing component is a hexagonal bolt.

[0011] In some optional embodiments, the propeller shaft is provided with a plurality of fourth fastening components, the second stopping element is provided with a plurality of fifth fastening components, and each of the second fixing components passes through the fourth fastening components and the fifth fastening components.

[0012] In some optional embodiments, the fourth fastening component and the fifth fastening component are both bolt holes, and the second fixing component is a hexagonal bolt.

[0013] In some optional embodiments, a plurality of first anti-slipping components are further included, each of which connects any two adjacent first fixing components.

[0014] In some optional embodiments, a plurality of second anti-slipping components are further included, each of which connects any two adjacent second fixing components.

[0015] The beneficial effects brought by the present invention are as follows:

[0016] It can be seen from the above scheme that an embodiment of the present invention provides a propeller hydraulic nut stopping device for limiting the position of a propeller, the propeller is arranged on the propeller shaft, the propeller shaft can drive the propeller to rotate, the propeller hydraulic nut stopping device is arranged on the propeller shaft, the propeller hydraulic nut stopping device is respectively connected to the hydraulic nut and the propeller shaft, the propeller hydraulic nut stopping device comprises: a stopping component and a fixing assembly, the hydraulic nut is arranged at the end of the propeller shaft, the hydraulic nut is threadedly connected to the propeller shaft, and is used to limit the position of the propeller, the stopping component is arranged on the end surface of the propeller shaft, the fixing assembly comprises a plurality of first fixing components and a plurality of second fixing components, each of the first fixing components is connected to the stopping component and the propeller shaft, thereby fixing the stopping component, each of the second fixing components is connected to the stopping component and the hydraulic nut, thereby limiting the position of the hydraulic nut, preventing the hydraulic nut from being separated from the screw rod shaft, thereby preventing the hydraulic nut from falling off, the propeller hydraulic nut stopping device has a simple structure, is convenient to install and disassemble, and the installation or disassembly process will not cause damage to the threaded connection between the hydraulic nut and the propeller shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of a propeller hydraulic nut locking device provided by an embodiment of the present invention;

[0018] Figure 2 for Figure 1 A schematic diagram of the assembly of the propeller hydraulic nut stopper device of the provided embodiment;

[0019] Figure 3 A schematic structural diagram of a second stopping element provided in an embodiment of the present invention;

[0020] Figure 4 A schematic side structural diagram of a first stopping element provided in an embodiment of the present invention;

[0021] Figure 5 for Figure 4 A schematic front structural diagram of the first stopping element of the provided embodiment.

[0022] In the figure, 1-propeller; 2-propeller shaft; 3-hydraulic nut; 4-stop component; 41-first stopping element; 42-second stopping element; 43-third stopping element; 5-first fixing component; 6-second fixing component; 7-first anti-slip component; 8-second anti-slip component. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] At present, keyless press-fit propellers are generally used on vehicle transport ships. In order to prevent the propeller from falling off the propeller shaft, a hydraulic nut is usually added to the rear end of the propeller for locking. Since the hydraulic nut and the propeller shaft are threaded, there is also a possibility of loosening. Therefore, in order to avoid the loosening of the hydraulic bolt, the current method is to use a conventional hydraulic nut stopper to connect the propeller shaft with a bolt at one end and weld the other end to the hydraulic nut to achieve the purpose of loosening. However, this method is difficult to disassemble and assemble twice, and forced disassembly and assembly may damage the threaded connection between the hydraulic nut and the propeller shaft; at the same time, this method requires welding on the ship, adding grinding, welding, cleaning and other links, which is time-consuming and laborious.

[0025] Based on the above situation, there is an urgent need to provide a new type of propeller hydraulic nut stopping device.

[0026] The embodiment of the present invention provides a propeller hydraulic nut stopping device, which has a simple structure and is easy to install and disassemble. The installation or disassembly process will not cause damage to the threaded connection between the hydraulic nut and the propeller shaft.

[0027] The present application provides a propeller hydraulic nut stop device, such as Figure 1 and Figure 2 As shown, it is used to limit the propeller, the propeller 1 is arranged on the propeller shaft 2, the propeller shaft 2 can drive the propeller 1 to rotate, the propeller hydraulic nut stopping device is arranged on the propeller shaft 2, the propeller hydraulic nut stopping device is respectively connected to the hydraulic nut 3 and the propeller shaft 2, and the propeller hydraulic nut stopping device includes: a stopping component 4, which is arranged on the end surface of the propeller shaft 2; a fixing assembly, including a plurality of first fixing components 5 and a plurality of second fixing components 6, each first fixing component 5 is connected to the stopping component 4 and the propeller shaft 2, and each second fixing component 6 is connected to the stopping component 4 and the hydraulic nut 3.

[0028] Specifically, the propeller hydraulic nut stopper is used to limit the propeller, the propeller 1 is arranged on the propeller shaft 2, the hydraulic nut 3 is arranged at the end of the propeller shaft 2, the hydraulic nut 3 is threadedly connected to the propeller shaft 2, and is used to limit the propeller 1, the propeller shaft 2 can drive the propeller 1 to rotate, the propeller hydraulic nut stopper is arranged on the propeller shaft 2, the propeller hydraulic nut stopper is respectively connected to the hydraulic nut 3 and the propeller shaft 2, and the propeller hydraulic nut stopper includes: a stopper component 4 and a fixing component 5, the stopper component 4 is arranged on the end surface of the propeller shaft 2 The fixing assembly includes multiple first fixing components 5 and multiple second fixing components 6. Each first fixing component 5 is connected to the stopping component 4 and the propeller shaft 2, thereby fixing the stopping component 4. Each second fixing component 6 is connected to the stopping component 4 and the hydraulic nut 3, thereby limiting the position of the hydraulic nut 3 to prevent the hydraulic nut 3 from being separated from the screw shaft 2, thereby preventing the hydraulic nut 3 from falling off. The propeller hydraulic nut stopping device has a simple structure and is easy to install and disassemble. The installation or disassembly process will not cause damage to the threaded connection between the hydraulic nut 3 and the propeller shaft 2.

[0029] In some optional embodiments, such as Figure 2 As shown, the stopping component 4 includes a first stopping element 41 , a second stopping element 42 and a third stopping element 43 . The first stopping element 41 and the third stopping element 43 are arranged on the circumferential side of the second stopping element 42 in a face-to-face manner.

[0030] Specifically, the first stop element 41 is in an "L" shape, and the first stop element 41 is an angle steel. The third stop element 43 is in an "L" shape, and the third stop element 43 is an angle steel. The first stop element 41 and the third stop element 43 are rectangular plates, and the second stop element 42 includes a first arc plate, a rectangular plate, and a second arc plate, the first arc plate, the rectangular plate, and the second arc plate are integrally formed, the first arc plate, the rectangular plate, and the second arc plate are connected in sequence, the first arc plate and the second arc plate are respectively connected to the side extending in the length direction of the rectangular plate, and the first stop element 41 and the third stop element 43 are respectively connected to the side extending in the width direction of the rectangular plate.

[0031] Furthermore, the fixing assembly includes a plurality of first fixing components 5 and a plurality of second fixing components 6, each second fixing component 6 is connected to the second stopping element 42 and the hydraulic nut 3, and the stopping component 4 is fixed to the propeller shaft 2, thereby fixing the stopping component 4, a plurality of first fixing components 5 are connected to the first stopping element 41 and the propeller shaft 2, and a plurality of first fixing components 5 are connected to the third stopping element 43 and the propeller shaft 2, thereby fixing the stopping component 4 to the hydraulic nut 3, and limiting the position of the hydraulic nut 3 to prevent the hydraulic nut 3 from being separated from the screw shaft 2, thereby preventing the hydraulic nut 3 from falling off, and the propeller hydraulic nut stopping device has a simple structure and is easy to install and disassemble, and the installation or disassembly process will not cause damage to the threaded connection between the hydraulic nut 3 and the propeller shaft 2.

[0032] In some optional embodiments, the first stopping element 41 is welded to the peripheral side of the second stopping element 42, and the third stopping element 43 is welded to the peripheral side of the second stopping element 42, respectively, which has a simple structure and is easy to manufacture.

[0033] Specifically, Figure 4 and Figure 5 As shown, the first stopper element 41 is in an "L" shape, and the first stopper element 41 is an angle steel. The third stopper element 43 is in an "L" shape, and the third stopper element 43 is an angle steel. Figure 3 As shown, the second stop element 42 includes a first arc plate, a rectangular plate and a second arc plate, which are connected in sequence, and the first arc plate and the second arc plate are respectively welded to the sides extending in the length direction of the rectangular plate, and the first stop element 41 and the third stop element 43 are respectively welded to the sides extending in the width direction of the rectangular plate, with a simple structure and easy manufacture.

[0034] In some optional embodiments, in the axial direction of the propeller shaft 2 , the second stopping element 42 coincides with a projection of an end face of the propeller shaft 2 .

[0035] Specifically, the end face of the propeller shaft 2 is circular, the second stop element 42 is circular, the second stop element 42 coincides with the projection of the end face of the propeller shaft 2, the first stop element 41 and the third stop element 43 are arranged face to face on the circumferential side of the second stop element 42, the side connecting the first stop element 41 and the second stop element 42 is arc-shaped, the arc-shaped side of the first stop element 41 is welded to the arc-shaped side of the second stop element 42, the side connecting the third stop element 43 and the second stop element 42 is arc-shaped, and the arc-shaped side of the third stop element 43 is welded to the arc-shaped side of the second stop element 42.

[0036] Furthermore, each second fixing component 6 connects the second stopping element 42 and the hydraulic nut 3, fixes the stopping component 4 to the propeller shaft 2, and thus fixes the stopping component 4. The multiple second fixing components 6 are enclosed in a circle, which improves the stability of the stopping component 4 installed on the propeller shaft 2. The multiple first fixing components 5 connect the first stopping element 41 and the propeller shaft 2, and the multiple first fixing components 5 connect the third stopping element 43 and the propeller shaft 2, thereby fixing the stopping component 4 to the hydraulic nut 3, limiting the position of the hydraulic nut 3, preventing the hydraulic nut 3 from detaching from the screw shaft 2, and thus preventing the hydraulic nut 3 from falling off. The propeller hydraulic nut stopping device has a simple structure and is easy to install and disassemble. The installation or disassembly process will not cause damage to the threaded connection between the hydraulic nut 3 and the propeller shaft 2.

[0037] In some optional embodiments, such as Figure 1 and Figure 2 As shown, the hydraulic nut is provided with a plurality of first fastening components, the first stopping element 41 is provided with a plurality of second fastening components, the third stopping element 43 is provided with a plurality of third fastening components, a first fixing component 5 passes through one of the first fastening components and one of the second fastening components, and a first fixing component 5 passes through one of the first fastening components and one of the third fastening components.

[0038] Specifically, the first fastening component, the second fastening component and the third fastening component are all bolt holes, the first fixing component 5 is a hexagonal bolt, the first fixing component 5 passes through one of the first fastening components and one of the second fastening components, the first fixing component 5 connects the first stopping element 41 and the propeller shaft 2, and multiple first fixing components 5 connect the third stopping element 43 and the propeller shaft 2, thereby fixing the stopping component 4 and the hydraulic nut 3 together, limiting the position of the hydraulic nut 3, preventing the hydraulic nut 3 from detaching from the screw shaft 2, and thus preventing the hydraulic nut 3 from falling off.

[0039] In some optional embodiments, the propeller shaft 2 is provided with a plurality of fourth fastening components, the second stopping element 42 is provided with a plurality of fifth fastening components, and each second fixing component 6 passes through the fourth fastening component and the fifth fastening component.

[0040] Specifically, the fourth fastening component and the fifth fastening component are both bolt holes, the second fixing component 6 is a hexagonal bolt, each second fixing component 6 connects the second stopping element 42 and the hydraulic nut 3, fixes the stopping component 4 to the propeller shaft 2, and thus fixes the stopping component 4, multiple first fixing components 5 connect the first stopping element 41 to the propeller shaft 2, multiple first fixing components 5 connect the third stopping element 43 to the propeller shaft 2, thereby fixing the stopping component 4 to the hydraulic nut 3, and limiting the position of the hydraulic nut 3 to prevent the hydraulic nut 3 from detaching from the screw shaft 2, thereby preventing the hydraulic nut 3 from falling off, and the propeller hydraulic nut stopping device has a simple structure and is easy to install and disassemble, and the installation or disassembly process will not cause damage to the threaded connection between the hydraulic nut 3 and the propeller shaft 2.

[0041] In some optional embodiments, the propeller hydraulic nut locking device further includes a plurality of first anti-slipping components 7 , each of which is connected to any two adjacent first fixing components 5 .

[0042] Specifically, the first anti-slip component 7 is a stainless steel wire. As long as any two adjacent first fixing components 5 are installed together, the winding method and winding shape can be selected arbitrarily without limitation. For example, the first anti-slip component 7 includes two annular sleeves, and the shape of the annular sleeves is "8". The two annular sleeves are respectively connected to two adjacent first fixing components 5, which can prevent each first fixing component 5 from falling off.

[0043] In some optional embodiments, the propeller hydraulic nut locking device further includes a plurality of second anti-slipping components 8 , each of which is connected to any two adjacent second fixing components 6 .

[0044] Specifically, the second anti-slip component 8 is a stainless steel wire. As long as any two adjacent second fixing components 6 are installed together, the winding method and winding shape can be selected arbitrarily without limitation. For example, the first anti-slip component 7 includes two annular sleeves, and the shape of the annular sleeves is "8". The two annular sleeves are respectively connected to two adjacent second fixing components 6, which can prevent each first fixing component 5 from falling off.

[0045] The above are preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A propeller hydraulic nut locking device, characterized in that: Used to limit the position of a propeller, the propeller (1) is arranged on a propeller shaft (2), the propeller (1) can rotate around the propeller shaft (2), a hydraulic nut (3) is arranged at the end of the propeller shaft (2), the hydraulic nut (3) is threadedly connected to the propeller shaft (2), the propeller hydraulic nut stopping device is arranged on the propeller shaft (2), the propeller hydraulic nut stopping device is respectively connected to the hydraulic nut (3) and the propeller shaft (2), and the propeller hydraulic nut stopping device comprises: A stopper component (4) is arranged on the end surface of the propeller shaft (2); The fixing assembly comprises a plurality of first fixing components (5) and a plurality of second fixing components (6), each of the first fixing components (5) being connected to the stop component (4) and the propeller shaft (2), and each of the second fixing components (6) being connected to the stop component (4) and the hydraulic nut (3).

2. The propeller hydraulic nut locking device according to claim 1, characterized in that: The stopping component (4) comprises a first stopping element (41), a second stopping element (42) and a third stopping element (43), wherein the first stopping element (41) and the third stopping element (43) are arranged face to face on the peripheral side of the second stopping element (42).

3. The propeller hydraulic nut locking device according to claim 2, characterized in that: The first stop element (41) is welded to the peripheral side of the second stop element (42), and the third stop element (43) is respectively welded to the peripheral side of the second stop element (42).

4. The propeller hydraulic nut locking device according to claim 3, characterized in that: In the axial direction of the propeller shaft (2), the second stopping element (42) coincides with the projection of the end face of the propeller shaft (2).

5. The propeller hydraulic nut locking device according to claim 2, characterized in that: The hydraulic nut is provided with a plurality of first fastening components, the first stopping element (41) is provided with a plurality of second fastening components, the third stopping element (43) is provided with a plurality of third fastening components, one first fixing component (5) penetrates one first fastening component and one second fastening component, and one first fixing component (5) penetrates one first fastening component and one third fastening component.

6. The propeller hydraulic nut locking device according to claim 5, characterized in that: The first fastening component, the second fastening component and the third fastening component are all bolt holes, and the first fixing component (5) is a hexagonal bolt.

7. The propeller hydraulic nut locking device according to claim 2, characterized in that: The propeller shaft (2) is provided with a plurality of fourth fastening components, the second stop element (42) is provided with a plurality of fifth fastening components, and each of the second fixing components (6) passes through the fourth fastening components and the fifth fastening components.

8. The propeller hydraulic nut locking device according to claim 7, characterized in that: The fourth fastening component and the fifth fastening component are both bolt holes, and the second fixing component (6) is a hexagonal bolt.

9. The propeller hydraulic nut locking device according to claim 1, characterized in that: It also comprises a plurality of first anti-slipping components (7), each of the first anti-slipping components (7) connecting any two adjacent first fixing components (5).

10. The propeller hydraulic nut locking device according to claim 2, characterized in that: It also comprises a plurality of second anti-slipping components (8), each of which connects any two adjacent second fixing components (6).

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