Marine adjustable propeller device
By designing an adjustable propeller device, the blade angle is adjusted by using a motor to drive the disk to rotate, and the disassembly process is simplified through a disassembly mechanism. This solves the problem that the blade pitch cannot be dynamically adjusted in the existing technology, and improves the practicality and ease of operation of the device.
Patent Information
- Application Number
- CN202520281686.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Existing marine adjustable propeller devices cannot dynamically adjust the blade pitch according to the ship's speed, resulting in reduced practicality and inability to meet propulsion requirements under different loads and speeds.
An adjustable propeller device is designed, comprising a drive shaft, a motor, a disc, a support base, a support plate, a rotating column, and a disassembly mechanism. The motor drives the disc to rotate, which in turn moves the support base. The support block and the support plate rotate, thereby achieving blade angle adjustment. The disassembly mechanism simplifies the disassembly process of the device.
It enables flexible adjustment of the blade angle, improves the practicality of the device, simplifies the disassembly process, and reduces the workload of staff.
Smart Images

Figure CN223721131U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to propeller technology field for ship especially relates to propeller device for ship of adjustable. BACKGROUND
[0002] Propeller is a kind of rotating device with blade, usually installed on aircraft, ship and submarine, mainly by hub and blade, blade usually presents spiral around hub, on ship, propeller can convert the power generated by engine into the thrust of ship advancing, to push the ship sailing on the water surface.
[0003] Early ship mainly relies on sail to provide power, with the advent of industrial revolution, steam power device is applied to ship, the first propeller is fixed pitch, but, ship in actual sailing process, working condition is complex and changeable, ship sails under different load conditions, the required propulsion power and speed are different, at this time, a kind of propeller device for ship of adjustable is needed.
[0004] The propeller for ship on the market mainly consists of blade, hub and rotating propeller shaft, when using the device, rotating propeller shaft drives hub to rotate, hub rotation will drive blade rotation, to push the ship to move, but the device is not convenient for adjusting the pitch of blade when using, and is not convenient for adjusting according to the model and load of ship, to solve the above problems, the prior art often uses pitch-adjustable blade, to adjust according to the load of ship, but the device needs different blade pitch at different running speed of ship in actual use, the device is not convenient for dynamically adjusting the pitch of blade, reduces the practicability of the device, can not meet the needs of users. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides propeller device for ship of adjustable, to improve the problem of propeller device for ship of adjustable in prior art not being convenient for dynamically adjusting blade according to ship running speed.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: marine adjustable propeller device, including transmission paddle shaft, the front side of transmission paddle shaft is provided with the hollow shaft, the front side fixedly connected with motor of hollow shaft, the output of motor penetrates hollow shaft and is fixedly connected with disc, the front side all around of disc is fixedly connected with support seat, the outer wall front side all around of hollow shaft is all provided with mounting hole, the inboard of multiple mounting holes all are rotatably connected with support disc, the one side of multiple support disc all are rotatably connected with rotating column, the one end of multiple rotating column all is fixedly connected with support block, the one side of multiple support block all is fixedly connected with hollow column, the inboard of multiple hollow column all are slidably connected with connecting rod, the one end of multiple connecting rod is respectively rotatably connected with corresponding support seat, the other side of multiple support disc all are fixedly connected with paddle, the front side of transmission paddle shaft is provided with dismounting mechanism, and the dismounting mechanism is used for conveniently dismounting and installing the device.
[0007] As a further description of the above technical solution:
[0008] The dismounting mechanism includes a clamping block, the clamping block is fixedly connected to the middle part of the front side of the transmission paddle shaft, the upper and lower sides of the clamping block are provided with limiting grooves, the middle part of the rear side of the hollow shaft is provided with a clamping groove, the inner rear side of the hollow shaft is provided with an inner cavity, the inner left side of the inner cavity is rotatably connected with a rotating rod, the right end of the rotating rod is fixedly connected with a driving bevel gear, the middle part of the inner side of the inner cavity is rotatably connected with a bidirectional threaded rod, the middle part of the outer side of the bidirectional threaded rod is fixedly connected with a driven bevel gear, the driven bevel gear is meshingly connected with the driving bevel gear, the upper and lower sides of the outer wall of the bidirectional threaded rod are threadedly connected with L-shaped plates, and the rear ends of the adjacent sides of the two L-shaped plates penetrate the hollow shaft and are clamped with the limiting grooves.
[0009] As a further description of the above technical solution:
[0010] The outer sides of the plurality of support discs are fixedly connected with waterproof pads, and the inner sides of the mounting holes are matched in size with the size of the support discs.
[0011] As a further description of the above technical solution:
[0012] The left end of the rotating rod penetrates the hollow shaft and is fixedly connected with a knob, and the inner size of the clamping groove is matched with the size of the clamping block.
[0013] As a further description of the above technical solution:
[0014] The inner front side of the inner cavity is provided with a sliding groove, and the inner side of the sliding groove is slidably connected with the L-shaped plate.
[0015] As a further description of the above technical solution:
[0016] The hollow shaft is fixedly connected with reinforcing ribs on the outer side, and the inner side size of the hollow shaft is matched with the size of the disc.
[0017] As a further description of the above technical solution:
[0018] The front side of the hollow shaft is provided with a fairing, and the outer side of the fairing is fixedly connected with a spoiler plate.
[0019] As a further description of the above technical solution:
[0020] The left and right sides of the hollow shaft are fixedly connected with mounting pieces, and the opposite sides of the two mounting pieces are threadedly connected with screws, and the adjacent ends of the two screws are penetratingly connected with the mounting pieces and are threadedly connected with the fairing.
[0021] The utility model has the advantages of the following beneficial effects:
[0022] 1、the utility model discloses a motor drives the disc to rotate, and multiple support bases move along with it, and drive the support block to rotate through the connecting rod and the hollow column, when the support block rotates, the support disc can be driven to rotate through the rotating column, at this moment, the angle of the paddle can be conveniently adjusted, the practicability of the device is improved, and the demand of the user can be met.
[0023] 2、the utility model discloses that the rotating rod drives the driving bevel gear to rotate, and since the driven bevel gear and the driving bevel gear are mutually engaged, the driven bevel gear will drive the bidirectional screw rod to rotate, and the L-shaped plate on both sides will move along with it and will be separated from the limiting groove, at this moment, the hollow shaft is moved, and the device can be conveniently detached from the transmission paddle shaft, and the work burden of the staff is reduced. DRAWINGS
[0024] Figure 1 It is the perspective view of the adjustable propeller device for ship of the utility model;
[0025] Figure 2 It is the partial structure split drawing of the adjustable propeller device for ship of the utility model;
[0026] Figure 3 It is the partial structure schematic view of the adjustable propeller device for ship of the utility model;
[0027] Figure 4 It is the structure split drawing of the dismounting mechanism of the adjustable propeller device for ship of the utility model;
[0028] Figure 5 It is the partial structure sectional view of the adjustable propeller device for ship of the utility model.
[0029] Legend:
[0030] 1, drive paddle shaft; 2, dismounting mechanism; 201, clamping block; 202, limiting groove; 203, clamping groove; 204, inner cavity; 205, rotating rod; 206, driving bevel gear; 207, bidirectional threaded rod; 208, driven bevel gear; 209, L-shaped plate; 3, hollow shaft; 4, motor; 5, disc; 6, supporting seat; 7, mounting hole; 8, supporting disc; 9, rotating column; 10, supporting block; 11, hollow column; 12, connecting rod; 13, paddle; 14, waterproof pad; 15, knob; 16, sliding groove; 17, reinforcing rib; 18, fairing; 19, spoiler; 20, mounting piece; 21, screw. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0032] Referring to Figure 1 , Figure 2 and Figure 3 , the present application provides an embodiment: a marine adjustable propeller device, comprising a drive paddle shaft 1, the front side of the drive paddle shaft 1 is provided with a hollow shaft 3, the front side of the hollow shaft 3 is fixedly connected with a motor 4, the output end of the motor 4 penetrates through the hollow shaft 3 and is fixedly connected with a disc 5, the motor 4 drives the disc 5 to rotate, the front side of the disc 5 is fixedly connected with a supporting seat 6 around, the disc 5 rotating will drive the supporting seat 6 to move, the outer wall of the hollow shaft 3 is provided with a mounting hole 7 around the front side, the inner side of the mounting hole 7 is rotatably connected with a supporting disc 8, one side of the supporting disc 8 is rotatably connected with a rotating column 9, one end of the rotating column 9 is fixedly connected with a supporting block 10, the supporting block 10 rotating will drive the supporting disc 8 to rotate, one side of the supporting block 10 is fixedly connected with a hollow column 11, the inner side of the hollow column 11 is slidably connected with a connecting rod 12, one end of the connecting rod 12 is rotatably connected with the corresponding supporting seat 6, when the supporting seat 6 moves, the connecting rod 12 and the hollow column 11 can drive the supporting block 10 to rotate, the other side of the supporting disc 8 is fixedly connected with a paddle 13, the supporting disc 8 will drive the paddle 13 to rotate, the front side of the drive paddle shaft 1 is provided with a dismounting mechanism 2, the dismounting mechanism 2 is used for facilitating the dismounting and mounting work of the device, the outer side of the hollow shaft 3 is fixedly connected with a reinforcing rib 17 around, the size of the inner side of the hollow shaft 3 matches the size of the disc 5;
[0033] Specifically, in the process of using the device, when the angle of the paddle 13 needs to be adjusted, the motor 4 starts to drive the disc 5 to rotate. With the rotation of the disc 5, the plurality of support seats 6 are further moved. When the support seats 6 move, the support block 10 can be driven to rotate through the connecting rod 12 and the hollow column 11. The rotating action of the support block 10 is transmitted to the rotating column 9, so that the rotating column 9 also starts to rotate. At this time, the plurality of rotating columns 9 can simultaneously drive the support disc 8 to rotate, so that the angle of the paddle 13 can be conveniently adjusted, the practicability of the device is improved, and the needs of the user can be met.
[0034] With reference to Figure 1 , Figure 4 and Figure 5 , the dismounting mechanism 2 comprises a clamping block 201 fixedly connected to the front middle part of the transmission paddle shaft 1, a limiting groove 202 is formed on the upper and lower sides of the clamping block 201, a clamping groove 203 is formed on the rear middle part of the hollow shaft 3, the clamping block 201 can be inserted into the clamping groove 203, an inner cavity 204 is formed on the inner rear side of the hollow shaft 3, a rotating rod 205 is rotatably connected to the inner left side of the inner cavity 204, a driving bevel gear 206 is fixedly connected to the right end of the rotating rod 205, the rotating rod 205 can drive the driving bevel gear 206 to rotate, a bidirectional threaded rod 207 is rotatably connected to the inner middle part of the inner cavity 204, a driven bevel gear 208 is fixedly connected to the outer middle part of the bidirectional threaded rod 207, the driven bevel gear 208 is meshingly connected with the driving bevel gear 206, when the driving bevel gear 206 rotates, the driven bevel gear 208 will drive the bidirectional threaded rod 207 to rotate, L-shaped plates 209 are threadedly connected to the outer wall of the bidirectional threaded rod 207, the rear ends of the adjacent sides of the two L-shaped plates 209 penetrate through the hollow shaft 3 and are clamped with the limiting groove 202, the L-shaped plates 209 can fix the clamping block 201 when clamped with the limiting groove 202, the left end of the rotating rod 205 penetrates through the hollow shaft 3 and is fixedly connected with a knob 15, the size of the clamping groove 203 is matched with the size of the clamping block 201;
[0035] Specifically, when the device needs to be dismounted from the transmission paddle shaft 1, the knob 15 is rotated at this time. When the knob 15 is rotated, the rotating rod 205 starts to rotate. With the rotation of the rotating rod 205, the driving bevel gear 206 is further driven to start to rotate. Since the driving bevel gear 206 and the driven bevel gear 208 are meshingly connected with each other, when the driving bevel gear 206 rotates, the driven bevel gear 208 will also rotate and drive the bidirectional threaded rod 207 connected therewith to rotate. At this time, the two L-shaped plates 209 will move, and the L-shaped plates 209 will be separated from the clamping state with the limiting groove 202 when moving, so that the device can be conveniently dismounted from the transmission paddle shaft 1, greatly simplifying the dismounting process and reducing the work burden of the staff.
[0036] With reference to Figure 1 , Figure 2 and Figure 5 , the outer side of each of the plurality of support discs 8 is fixedly connected with a waterproof pad 14, which can prevent water flow from entering the hollow shaft 3, the inner side of the mounting hole 7 is matched in size with the size of the support disc 8, the inner side of the inner cavity 204 is provided with a sliding groove 16, the inner side of the sliding groove 16 is slidably connected with the L-shaped plate 209, and the sliding groove 16 can limit the movement of the L-shaped plate 209.
[0037] Specifically, the waterproof pad 14 can prevent water flow from entering the hollow shaft 3, and the sliding groove 16 can limit the movement of the L-shaped plate 209, so that when the bidirectional threaded rod 207 rotates, the L-shaped plate 209 can move accordingly.
[0038] With reference to Figure 1 , the front side of the hollow shaft 3 is provided with a fairing 18, the outer side of the fairing 18 is fixedly connected with a spoiler 19 around, the spoiler 19 and the fairing 18 can regulate the water flow, improve the efficiency of the paddle 13, the left and right sides of the hollow shaft 3 are fixedly connected with mounting pieces 20 at the front ends, the sides away from each other of the two mounting pieces 20 are threadedly connected with screws 21, the adjacent ends of the two screws 21 are penetratingly connected with the fairing 18, and the fairing 18 can be disassembled by disassembling the plurality of screws 21.
[0039] Specifically, the spoiler 19 and the fairing 18 can regulate the water flow and improve the efficiency of the paddle 13, and the fairing 18 can be disassembled by disassembling the plurality of screws 21.
[0040] Working principle: in the process of using the device, when it is necessary to adjust the angle of the paddle 13, the motor 4 is started to drive the disc 5 to rotate at this time, the disc 5 rotates to drive the plurality of support seats 6 to move, the support seats 6 move to drive the support blocks 10 to rotate through the connecting rods 12 and the hollow columns 11, the support blocks 10 rotate to drive the rotating columns 9 to rotate at this time, the plurality of rotating columns 9 simultaneously drive the plurality of support discs 8 to rotate, which can conveniently adjust the angle of the paddle 13, and the waterproof pad 14 on the outer side of the support disc 8 can prevent water from flowing into the hollow shaft 3.
[0041] And in use of the device, when it is needed to detach the device from the transmission oar shaft 1, at this time, the knob 15 is rotated, the rotation of the knob 15 drives the rotating rod 205 to rotate, the rotating rod 205 drives the driving bevel gear 206 to rotate, since the driven bevel gear 208 is engaged with the driving bevel gear 206, the driven bevel gear 208 drives the bidirectional threaded rod 207 to rotate, at this time, the L-shaped plates 209 on both sides are moved, the L-shaped plates 209 are moved to be separated from the limiting grooves 202, and can contact the limiting of the clamping block 201, at this time, the device can be conveniently detached from the transmission oar shaft 1.
[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.
Claims
1. Adjustable propeller device for marine vessels, comprising a transmission propeller shaft (1), characterized in that: The front side of the transmission paddle shaft (1) is provided with a hollow shaft (3), the front side of the hollow shaft (3) is fixedly connected with a motor (4), the output end of the motor (4) penetrates through the hollow shaft (3) and is fixedly connected with a disc (5), the front side of the disc (5) is fixedly connected with a support seat (6) around, the outer wall of the hollow shaft (3) is provided with a mounting hole (7) around the front side, the inner side of the mounting hole (7) is rotatably connected with a support disc (8), one side of the support disc (8) is rotatably connected with a rotating column (9), one end of the rotating column (9) is fixedly connected with a support block (10), one side of the support block (10) is fixedly connected with a hollow column (11), the inner side of the hollow column (11) is slidably connected with a connecting rod (12), one end of the connecting rod (12) is rotatably connected with the corresponding support seat (6), the other side of the support disc (8) is fixedly connected with a paddle (13), the front side of the transmission paddle shaft (1) is provided with a dismounting mechanism (2), and the dismounting mechanism (2) is used for facilitating the dismounting and mounting work of the device.
2. The marine adjustable propeller device of claim 1, wherein: The dismounting mechanism (2) comprises a clamping block (201), the clamping block (201) is fixedly connected to the middle of the front side of the transmission paddle shaft (1), the upper and lower sides of the clamping block (201) are provided with limiting grooves (202), the middle of the rear side of the hollow shaft (3) is provided with a clamping groove (203), the inner rear side of the hollow shaft (3) is provided with an inner cavity (204), the inner left side of the inner cavity (204) is rotatably connected with a rotating rod (205), the right end of the rotating rod (205) is fixedly connected with a driving bevel gear (206), the inner middle of the inner cavity (204) is rotatably connected with a bidirectional threaded rod (207), the outer middle of the bidirectional threaded rod (207) is fixedly connected with a driven bevel gear (208), the driven bevel gear (208) is meshingly connected with the driving bevel gear (206), the outer wall of the bidirectional threaded rod (207) is threadedly connected with an L-shaped plate (209) around, the rear end of the adjacent side of the two L-shaped plates (209) penetrates through the hollow shaft (3) and is clamped with the limiting groove (202).
3. The marine adjustable propeller device of claim 1, wherein: The outer side of the support disc (8) is fixedly connected with a waterproof pad (14), and the inner side of the mounting hole (7) is matched in size with the size of the support disc (8).
4. The marine adjustable propeller device of claim 2, wherein: The left end of the rotating rod (205) penetrates through the hollow shaft (3) and is fixedly connected with a knob (15), and the inner size of the clamping groove (203) is matched with the size of the clamping block (201).
5. The marine adjustable propeller device of claim 2, wherein: The inner front side of the inner cavity (204) is provided with a sliding groove (16), and the inner side of the sliding groove (16) is slidably connected with the L-shaped plate (209).
6. The marine adjustable propeller device of claim 1, wherein: The outer side of the hollow shaft (3) is fixedly connected with a reinforcing rib (17) around, and the inner size of the hollow shaft (3) is matched with the size of the disc (5).
7. The marine adjustable propeller device of claim 1, wherein: The front side of the hollow shaft (3) is provided with a fairing (18), and the outer side of the fairing (18) is fixedly connected with a spoiler (19) around.
8. A marine adjustable propeller arrangement according to claim 7, characterised in that: The left and right sides of the hollow shaft (3) are fixedly connected with mounting plates (20), the sides away from each other of the two mounting plates (20) are threadedly connected with screws (21), and the adjacent ends of the two screws (21) penetrate the mounting plates (20) and are threadedly connected with the fairing (18).