Adjustable pitch lateral propeller

Abstract

The utility model discloses an adjustable pitch lateral thruster which comprises a mounting body and a gear box, a rotating shaft is arranged on the gear box, paddles are arranged on the outer side of the rotating shaft, a first handle is arranged on the outer side of the rotating shaft, and a second handle is arranged on the mounting body. Then a second handle is rotated to drive a second threaded shaft to rotate, the second threaded shaft rotates to drive a connecting shaft to rotate, the connecting shaft rotates to drive a third threaded shaft to rotate, the second threaded shaft and the third threaded shaft respectively drive a second threaded block to slide, the second threaded block drives a clamping block to move, and the clamping block is inserted into a groove of the gearbox; the gear box can be fixed and installed, when the gear box needs to be dismantled, the second handle is rotated reversely to drive the clamping block to leave the gear box, the gear box can be dismantled, and therefore the gear box can be clamped and installed in the using process, and when the gear box is damaged, the gear box can be dismantled for maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of lateral thrusters, in particular to a lateral thruster with adjustable pitch. Background Art

[0002] A lateral thruster is a special propulsion device installed in a transverse guide tube below the waterline at the bow or stern of a ship. The size and direction of its thrust can be changed. It is mainly used to improve the ship's maneuverability at low speeds. According to the way the thrust size and direction are changed, it can be divided into a fixed-pitch propeller lateral thruster and an adjustable-pitch lateral thruster. Most of the current lateral thrusters have their gearboxes directly welded to the hull when in use. If damage occurs during use, it is inconvenient to remove the gearbox for repair.

[0003] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes an adjustable pitch lateral thruster to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] An adjustable pitch lateral thruster comprises a mounting body and a gear box, wherein the gear box is provided with a rotating shaft, a blade is provided on the outer side of the rotating shaft, a first handle is provided on the outer side of the rotating shaft, and a second handle is provided on the mounting body;

[0007] The second handle passes through the mounting body, the second handle is rotatably connected to the mounting body, the other end of the second handle is fixedly connected to a second threaded shaft, the other end of the second threaded shaft is fixedly connected to a connecting shaft, the other end of the connecting shaft is fixedly connected to a third threaded shaft, the outer sides of the second threaded shaft and the outer sides of the third threaded shaft are both spirally connected with second threaded blocks, and a clamping block is provided on the outer side of the second threaded block.

[0008] As a further solution of the utility model, the first handle passes through the rotating shaft, the first handle is rotatably connected to the rotating shaft, the other end of the first handle is fixedly connected to a first threaded shaft, the outer side of the first threaded shaft is spirally connected to a first threaded block, and the first threaded block is fixedly connected to the blade.

[0009] As a further solution of the utility model, the first threaded block passes through the rotating shaft, and the first threaded block is slidably connected to the rotating shaft.

[0010] As a further solution of the utility model, the thread direction of the second threaded shaft is opposite to the thread direction of the third threaded shaft, and the second threaded shaft and the third threaded shaft are symmetrically arranged.

[0011] As a further solution of the utility model, the second threaded block passes through the mounting body, and the second threaded block is slidably connected to the mounting body.

[0012] As a further solution of the utility model, the clamping block is fixedly connected to the second threaded block, the clamping block is slidably connected to the mounting body, and the clamping block is inserted into a groove of the gear box.

[0013] As a further solution of the utility model, the shape of the clamping block is L-shaped.

[0014] The beneficial effects of the utility model are as follows: by arranging the second handle, the second threaded shaft, the connecting shaft, the third threaded shaft, the second threaded block and the clamping block, the gear box is placed between the two clamping blocks when in use, and then the second handle is rotated to drive the second threaded shaft to rotate, the second threaded shaft rotation drives the connecting shaft rotation, the connecting shaft rotation drives the third threaded shaft to rotate, the second threaded shaft and the third threaded shaft respectively drive the second threaded block to slide, the second threaded block drives the clamping block to move, and the clamping block is inserted into the groove of the gear box, so that the gear box can be fixed and installed, and when disassembly is needed, the second handle can be rotated in the opposite direction to drive the clamping block to leave the gear box, so that the gear box can be disassembled, so that the gear box can be clamped and installed during use, and when the gear box is damaged, the gear box can be disassembled for repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the adjustable pitch lateral thruster according to an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the installation structure of the gear box of the adjustable pitch lateral thruster according to an embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the installation structure of the first threaded shaft of the adjustable pitch lateral thruster according to an embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the clamping block of the adjustable pitch lateral thruster according to an embodiment of the utility model.

[0020] In the figure: 1. mounting body; 2. gear box; 3. rotating shaft; 4. blade; 5. first handle; 6. first threaded shaft; 7. first threaded block; 8. second handle; 9. second threaded shaft; 10. connecting shaft; 11. third threaded shaft; 12. second threaded block; 13. clamping block. DETAILED DESCRIPTION

[0021] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0022] According to an embodiment of the utility model, a lateral thruster with adjustable pitch is provided.

[0023] Please refer to the instruction manual Figure 1-4 According to the adjustable pitch lateral thruster of the utility model embodiment, it includes a mounting body 1 and a gear box 2, a rotating shaft 3 is provided on the gear box 2, a blade 4 is provided on the outer side of the rotating shaft 3, a first handle 5 is provided on the outer side of the rotating shaft 3, a second handle 8 is provided on the mounting body 1, the second handle 8 runs through the mounting body 1, the second handle 8 is rotatably connected to the mounting body 1, the other end of the second handle 8 is fixedly connected to a second threaded shaft 9, the other end of the second threaded shaft 9 is fixedly connected to a connecting shaft 10, the other end of the connecting shaft 10 is fixedly connected to a third threaded shaft 11, the outer side of the second threaded shaft 9 and the outer side of the third threaded shaft 11 are both spirally connected with a second threaded block 12, a clamping block 13 is provided on the outer side of the second threaded block 12, the gear box 2 is placed between the two clamping blocks 13, and then the second handle 8 is rotated to drive the second threaded shaft 9 to rotate, and the rotation of the second threaded shaft 9 drives the connecting shaft 10 rotates, the connecting shaft 10 rotates to drive the third threaded shaft 11 to rotate, the second threaded shaft 9 and the third threaded shaft 11 respectively drive the second threaded block 12 to slide, and the second threaded block 12 drives the clamping block 13 to move, so that the clamping block 13 is inserted into the groove of the gear box 2, and the gear box 2 can be fixed and installed. When disassembly is required, the second handle 8 is rotated in the opposite direction to drive the clamping block 13 to leave the gear box 2, and the gear box 2 can be disassembled, so that the gear box 2 can be clamped and installed during use. When the gear box 2 is damaged, the gear box 2 can be disassembled for maintenance. When in use, the first handle 5 is rotated to drive the first threaded shaft 6 to rotate, and the first threaded shaft 6 drives the blade 4 to move through the first threaded block 7, which can drive the blade 4 to slide on the rotating shaft 3, and the pitch between the blade 4 and the gear box 2 can be adjusted.

[0024] In one embodiment, please refer to the attached specification Figure 1 and 3As a further solution of the utility model, the first handle 5 passes through the rotating shaft 3, the first handle 5 is rotatably connected to the rotating shaft 3, the other end of the first handle 5 is fixedly connected to the first threaded shaft 6, the outer side of the first threaded shaft 6 is spirally connected to the first threaded block 7, the first threaded block 7 is fixedly connected to the blade 4, and this arrangement can adjust the pitch between the blade 4 and the gear box 2.

[0025] In one embodiment, please refer to the attached specification Figure 3 As a further solution of the utility model, the first threaded block 7 passes through the rotating shaft 3, and the first threaded block 7 is slidably connected to the rotating shaft 3. This arrangement can drive the blade 4 to move.

[0026] In one embodiment, please refer to the attached specification Figure 2 As a further solution of the utility model, the thread direction of the second threaded shaft 9 is opposite to the thread direction of the third threaded shaft 11, and the second threaded shaft 9 and the third threaded shaft 11 are symmetrically arranged. This arrangement enables the movement directions of the two second threaded blocks 12 to be opposite.

[0027] In one embodiment, please refer to the attached specification Figure 2 As a further solution of the utility model, the second threaded block 12 passes through the mounting body 1, and the second threaded block 12 is slidably connected to the mounting body 1. This arrangement can drive the clamping block 13 to move.

[0028] In one embodiment, please refer to the attached specification Figure 2 and 4 As a further solution of the utility model, the clamping block 13 is fixedly connected to the second threaded block 12, the clamping block 13 is slidably connected to the mounting body 1, and the clamping block 13 is inserted into the groove of the gear box 2. This arrangement can clamp and fix the gear box 2.

[0029] In one embodiment, please refer to the attached specification Figure 2 and 4 As a further solution of the present invention, the shape of the clamp block 13 is L-shaped, and this arrangement of the clamp block 13 can be inserted into the gear box 2.

[0030] When in use, the mounting body 1 is welded to the hull, the gear box 2 is placed between the two clamping blocks 13, and then the second handle 8 is rotated to drive the second threaded shaft 9 to rotate, the second threaded shaft 9 rotates to drive the connecting shaft 10 to rotate, the connecting shaft 10 rotates to drive the third threaded shaft 11 to rotate, the second threaded shaft 9 and the third threaded shaft 11 respectively drive the second threaded block 12 to slide, the second threaded block 12 drives the clamping block 13 to move, and the clamping block 13 is inserted into the groove of the gear box 2, so that the gear box 2 can be fixed and installed. When disassembly is required, the second handle 8 is rotated in the opposite direction to drive the clamping block 13 to leave the gear box 2, and the gear box 2 can be disassembled, so that the gear box 2 can be clamped and installed during use. When the gear box 2 is damaged, the gear box 2 can be disassembled for maintenance. When in use, the first handle 5 is rotated to drive the first threaded shaft 6 to rotate, and the first threaded shaft 6 drives the blade 4 to move through the first threaded block 7, which can drive the blade 4 to slide on the rotating shaft 3, and the pitch between the blade 4 and the gear box 2 can be adjusted.

[0031] The above are only preferred embodiments of the present invention and are 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. An adjustable pitch lateral thruster, comprising a mounting body (1) and a gear box (2), characterized in that: The gear box (2) is provided with a rotating shaft (3), a blade (4) is provided on the outer side of the rotating shaft (3), a first handle (5) is provided on the outer side of the rotating shaft (3), and a second handle (8) is provided on the mounting body (1); The second handle (8) passes through the mounting body (1), the second handle (8) is rotatably connected to the mounting body (1), the other end of the second handle (8) is fixedly connected to a second threaded shaft (9), the other end of the second threaded shaft (9) is fixedly connected to a connecting shaft (10), the other end of the connecting shaft (10) is fixedly connected to a third threaded shaft (11), the outer side of the second threaded shaft (9) and the outer side of the third threaded shaft (11) are both spirally connected to a second threaded block (12), and the outer side of the second threaded block (12) is provided with a clamping block (13).

2. The adjustable pitch lateral thruster according to claim 1, characterized in that: The first handle (5) passes through the rotating shaft (3), the first handle (5) is rotatably connected to the rotating shaft (3), the other end of the first handle (5) is fixedly connected to a first threaded shaft (6), the outer side of the first threaded shaft (6) is spirally connected to a first threaded block (7), and the first threaded block (7) is fixedly connected to the paddle (4).

3. The adjustable pitch lateral thruster according to claim 2, characterized in that: The first threaded block (7) passes through the rotating shaft (3), and the first threaded block (7) is slidably connected to the rotating shaft (3).

4. The adjustable pitch lateral thruster according to claim 1, characterized in that: The thread direction of the second threaded shaft (9) is opposite to the thread direction of the third threaded shaft (11), and the second threaded shaft (9) and the third threaded shaft (11) are symmetrically arranged.

5. The adjustable pitch lateral thruster according to claim 1, characterized in that: The second threaded block (12) passes through the mounting body (1), and the second threaded block (12) is slidably connected to the mounting body (1).

6. The adjustable pitch lateral thruster according to claim 1, characterized in that: The clamping block (13) is fixedly connected to the second threaded block (12), the clamping block (13) is slidably connected to the mounting body (1), and the clamping block (13) is inserted into a groove of the gear box (2).

7. The adjustable pitch lateral thruster according to claim 6, characterized in that: The clamping block (13) is in an L-shape.

Images