Cage type multidirectional positioning ship propeller
Through the cage multi-directional positioning structure, the thruster connected by the shell, partition net and transmission mechanism is used to solve the problem of vulnerability of marine thrusters and achieve a more stable and protective propulsion effect.
Patent Information
- Application Number
- CN202422252357.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-14
AI Technical Summary
Existing marine propellers are susceptible to damage from marine plants or fish.
The cage-type multi-directional positioning structure is adopted, including a housing, a partition, a rotatable blade, the first and second mounting rods, connecting rods and transmission mechanisms, and the stability and protection are increased through the transmission belt and bearing.
Effectively prevent thruster damage, improving the stability of the thruster and the flexibility of multi-directional installation.
Smart Images

Figure CN223045946U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of ships, in particular to a cage-type multi-directional positioning marine propeller. Background Art
[0002] A propeller is a device that converts any form of energy into mechanical energy. It generates thrust by rotating blades or jetting (water). It can be used to drive a vehicle forward or as a power source for other devices such as a generator.
[0003] Most marine propellers are directly installed outside the hull and may be damaged by the impact of marine plants or fish. Summary of the Utility Model
[0004] In order to overcome the deficiencies of the background art, the utility model provides a cage-type multi-directional positioning marine propeller, mainly solving the problem that the marine propeller in the prior art is easily damaged.
[0005] The technical solution of the utility model is as follows.
[0006] The cage-type multi-directional positioning marine propeller includes a housing. A partition net is provided on the housing. A paddle is rotatably installed inside the housing. A first mounting rod is installed on the housing and extends along the radial direction of the housing.
[0007] A second mounting rod is disposed perpendicular to the first mounting rod.
[0008] Mounting parts are provided at both ends of the first mounting rod and the outer ends of the second mounting rod.
[0009] A connecting rod is rotatably installed on the second mounting rod and transmits torque to the paddle through a transmission mechanism.
[0010] An installation column is provided inside the housing. An installation pipe is provided on the installation column. A rotating shaft is provided on the paddle. The rotating shaft passes through the installation pipe and is disposed outside the housing. The transmission mechanism includes a transmission belt. One end of the transmission belt is connected to the connecting rod, and the other end is connected to the part of the rotating shaft extending outside the housing.
[0011] A bearing is provided between the installation pipe and the rotating shaft.
[0012] It further includes a synchronous pulley installed on the part of the rotating shaft extending outside the housing.
[0013] The mounting part is a bolt and a nut.
[0014] A plurality of parallel deflector plates are provided on the housing. The deflector plates are arranged corresponding to the paddles.
[0015] A number of auxiliary rods are provided on the installation column, and a reinforcing rod is provided between the auxiliary rod and the second installation rod.
[0016] The beneficial effects of the present utility model are as follows: The present utility model provides a cage-type multi-directional positioning marine propeller. By installing the propeller blades in a cage, damage can be prevented, and it has a multi-directional installation structure, which is more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the present utility model.
[0018] Figure 2 It is a partial cross-sectional schematic diagram of an embodiment of the present utility model.
[0019] Figure 3 It is a three-dimensional schematic diagram of an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The present utility model will be further described below with reference to the drawings: As shown in the figure, the cage-type multi-directional positioning marine propeller includes a housing 1, a partition net 2 is provided on the housing, a rotatably installed propeller blade 3, a first installation rod 41, is installed on the housing and extends along the radial direction of the housing, a second installation rod 42, is arranged perpendicular to the first installation rod; an installation part 40, is arranged at both ends of the first installation rod and the outer ends of the second installation rod; a connecting rod 43, is rotatably installed on the second installation rod and transmits torque to the propeller blade through a transmission mechanism. An opening groove is opened on the upper end surface of the housing, and the first installation rod is installed therein. The first installation rod itself has a certain elasticity and can be conveniently installed on the outer wall of the ship's hull. Its installation part is a thread that extends into the ship's hull and is fixed by a nut.
[0021] In this embodiment, as shown in the figure, an installation column 5 is provided in the housing, an installation pipe 51 is provided on the installation column, a rotating shaft 31 is provided on the propeller blade, the rotating shaft passes through the installation pipe and is arranged outside the housing, and the transmission mechanism includes a transmission belt 61. One end of the transmission belt is connected to the connecting rod, and the other end is connected to the part of the rotating shaft extending outside the housing. A fixed seat 420 is provided on the second installation rod. A through groove is provided in the center of the fixed seat, a bearing is provided in the through groove, and the rotating shaft is installed through the bearing and is connected to the main shaft of the ship's hull through a coupling. A cross beam 50 is provided on the installation column, a driving wheel 501 is provided on the cross beam, the driving wheel is connected to the transmission belt, and the rotating shaft can be integrally provided with the driving wheel.
[0022] In this embodiment, as shown in the figure, a bearing 52 is provided between the installation pipe and the rotating shaft. To reduce friction.
[0023] In this embodiment, as shown in the figure, it further includes a synchronous pulley 62, which is installed on the part of the rotating shaft extending outside the housing. It can be installed by screws.
[0024] In this embodiment, as shown in the figure, the mounting portion is a bolt and a nut.
[0025] In this embodiment, as shown in the figure, a plurality of parallel flow guiding plates 11 are provided on the housing, and the flow guiding plates are arranged corresponding to the blades. The operation is more stable.
[0026] In this embodiment, as shown in the figure, a plurality of auxiliary rods 63 are provided on the mounting column, and a reinforcing rod 64 is provided between the auxiliary rods and the second mounting rod. The strength is increased.
[0027] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.
[0028] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more, unless otherwise specifically defined.
[0029] The embodiments described with reference to the accompanying drawings are exemplary and are intended to explain the present invention and should not be construed as a limitation to the present invention. The embodiments should not be regarded as a limitation to the present invention, but any improvement made based on the spirit of the present invention should be within the protection scope of the present invention.
Claims
1. A cage-type multi-directional positioning marine propeller, comprising a housing (1), a partition net (2) being provided on the housing, and a rotatably mounted propeller blade (3) being provided inside the housing, characterized in that: A first mounting rod (41) is mounted on the housing and extends radially along the housing. A second mounting rod (42) arranged vertically relative to the first mounting rod; A mounting portion (40) is provided at both ends of the first mounting rod and at an outer end of the second mounting rod; The connecting rod (43) is rotatably mounted on the second mounting rod and transmits torque to the blade through a transmission mechanism.
2. The cage-type multi-directional positioning marine propeller according to claim 1, characterized in that: A mounting column (5) is provided in the shell, a mounting tube (51) is provided on the mounting column, a rotating shaft (31) is provided on the blade, the rotating shaft passes through the mounting tube and is provided outside the shell, and the transmission mechanism comprises a transmission belt (61), one end of the transmission belt is connected to the connecting rod, and the other end is connected to a portion of the rotating shaft extending outside the shell.
3. The cage-type multi-directional positioning marine propeller according to claim 2, characterized in that: A bearing (52) is provided between the mounting tube and the rotating shaft.
4. The cage-type multi-directional positioning marine propeller according to claim 3, characterized in that: It also includes a synchronous wheel (62) mounted on the portion of the rotating shaft extending out of the housing.
5. The cage-type multi-directional positioning marine propeller according to claim 4, characterized in that: The mounting part is a bolt and a nut.
6. The cage-type multi-directional positioning marine propeller according to claim 5, characterized in that: The housing is provided with a plurality of guide plates (11) arranged in parallel, and the guide plates are arranged corresponding to the blades.
7. The cage-type multi-directional positioning marine propeller according to claim 6, characterized in that: A plurality of auxiliary rods (63) are provided on the installation column, and a reinforcing rod (64) is provided between the auxiliary rod and the second installation rod.