Retractable cycloid propeller

Abstract

The invention discloses a telescopic recycling cycloid propeller, which relates to the technical field of ships and comprises a propeller top cover, a power gear assembly, a control bracket, a control bearing, a base assembly, a hydraulic device and a propeller straight wing. The bottom of the propeller top cover is connected with the first part of the power gear assembly through a bearing, a hydraulic device is fixed to a control bearing, the outer side of the control bearing is connected with a control support, the control support is connected with the propeller straight wing through a control shaft, and the base assembly is connected with the first part of the power gear assembly. The base assembly is connected with the propeller straight wing through a fixing shaft, the first part of the power gear assembly and the second part of the power gear assembly are in transmission through a gear, and the propeller straight wing is formed by connecting a first straight wing and a second straight wing through straight wing hydraulic pressure. The invention is used for solving the problem that the photovoltaic operation and maintenance ship can cope with different water depth environments and realizing land and water switching.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of ship technology, more particularly, it relates to a telescopic recovery cycloidal propeller. BACKGROUND

[0002] Since the combined floating power generation plate is mostly located in coal mine collapse area, etc., the water level is generally about 3m, the water level changes by 2.5m, and the operation area of 3±2.5m is also easy to form silt and marsh, which leads to the complex water depth of inland water area. In addition, the combined floating power generation plate is arranged densely, which all poses great challenges to the progress and work of the operation and maintenance ship and the safety of the operation and maintenance personnel. Therefore, the amphibious adjustability and maneuverability of the operation and maintenance ship are great additions to the operation and maintenance efficiency and scope, and also have greater protection for the personal safety of the operation and maintenance personnel.

[0003] Therefore, in order to solve the water-land switching of the photovoltaic operation and maintenance ship and adapt to the complex water depth environment of the operation and maintenance water area, it is necessary to design a telescopic recovery cycloidal propeller to solve the above problems. SUMMARY

[0004] In view of the defects in the prior art, the purpose of the present application is to achieve the above purposes, and the technical scheme adopted by the present application is: A telescopic recovery cycloidal propeller, comprising: A propeller top cover inlaid with a bearing; A control bearing having two hydraulic devices fixed on the top and a control support connected on the outside; A base assembly having a power gear assembly first part fixed on the top and six propeller straight wings connected through a fixed shaft on the bottom; The propeller straight wing is composed of a hollow first straight wing and a second straight wing nested in the first straight wing, and a straight wing hydraulic device is fixed on the upper end of the first straight wing, and the lower end of the straight wing hydraulic device is connected to the lower end of the second straight wing; The power gear assembly comprises a power gear assembly first part penetrating the bearing, and a power gear assembly second part meshing with the power gear assembly first part, and the power gear assembly second part penetrates the propeller top cover and is connected to the external power; through the bearing on the propeller top cover, the power gear assembly first part can move vertically on the top without hindering the work of the hydraulic recovery device, and can normally rotate under the transmission of the power gear assembly second part; The control support is connected to the top of the six propeller straight wings through a control shaft; The vertical hydraulic rod of the hydraulic device drives the control bearing, the control support, the base assembly, the propeller straight wing and the power gear assembly first part to lift as a whole, so as to realize the recovery and deployment of the propeller; The straight wing hydraulic drive second straight wing is telescopic along the inner cavity of the first straight wing, which reduces the overall length of the trochoidal propeller in the retracted state, compresses the occupied space of the ship body when the trochoidal propeller is retracted, and adjusts the wing length of the propeller straight wing to adapt to different water depth environments.

[0005] Preferably, the two hydraulic devices include orthogonal plane telescopic hydraulic rods, the horizontal hydraulic rod is connected with a ship direction control system, the eccentric moving control support changes the deflection angle of the propeller straight wing, and the propelling direction adjustment is realized.

[0006] Preferably, the base assembly bottom is a six-antennae symmetrical distribution structure, and each end is connected with one propeller straight wing through a fixed shaft.

[0007] Preferably, the bearing is a rotatable sliding composite bearing, and the first part of the power gear assembly can move in the vertical direction in the rotating state.

[0008] Preferably, the control support is a ring frame structure, and is hinged to the top of the six propeller straight wings through a control shaft.

[0009] The present application has the following beneficial effects: 1. In the present application, the vertical movement of the bearing, the control support, the base assembly, the propeller straight wing and the first part of the power gear assembly can be realized through the hydraulic rod in the vertical direction of the hydraulic device, so that the trochoidal propeller can be retracted and lowered.

[0010] 2. In the present application, the vertical movement of the top of the first part of the power gear assembly does not hinder the work of the hydraulic retraction device through the bearing on the propeller top cover, and the first part of the power gear assembly can normally rotate under the transmission of the second part of the power gear assembly.

[0011] 3. In the present application, the propeller straight wing is composed of two parts, the straight wing hydraulic drive can retract the second straight wing into the inner cavity of the first straight wing, further reducing the overall length of the trochoidal propeller in the retracted state, compressing the occupied space of the ship body when the trochoidal propeller is retracted, and adjusting the wing length of the propeller straight wing to adapt to different water depth environments. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application; Figure 2 It is a schematic diagram of the three-dimensional structure of the control bearing and the control support of the present application; Figure 3 It is a schematic diagram of the three-dimensional structure of the base assembly in the present application; Figure 4 It is a schematic diagram of the three-dimensional structure of the propeller top cover in the present application; Figure 5Front view of control bearing in the application; Figure 6 Sectional view of control bearing in the application; Figure 7 Perspective structural sectional view of straight wing of propeller in the application In the figure: 1, propeller top cover; 101, bearing; 2, control bearing; 201, control shaft; 202, hydraulic device; 203, control support; 3, base assembly; 301, fixed shaft; 302, power gear assembly first part; 4, propeller straight wing; 401, first straight wing; 402, second straight wing; 403, straight wing hydraulic; 5, power gear assembly second part. DETAILED DESCRIPTION

[0013] The application will be further described below with reference to the drawings. The following examples are only used to more clearly illustrate the technical solutions of the application, and cannot be used to limit the protection scope of the application.

[0014] As Figures 1-7 shown, a retractable recovery cycloidal propeller, comprising: The propeller top cover 1 is inlaid and fixed with the bearing 101; The control bearing 2 is fixed at the top with two hydraulic devices 202, and the outer side is connected with the control support 203; The base assembly 3 is fixed at the top with the power gear assembly first part 302, and the bottom is connected with six propeller straight wings 4 through the fixed shaft 301; The propeller straight wing 4 is composed of the hollow first straight wing 401 and the second straight wing 402 nested in the first straight wing 401, and the straight wing hydraulic 403 is fixed at the upper end inside the first straight wing 401, and the lower end of the straight wing hydraulic 403 is connected with the lower end inside the second straight wing 402; The power gear assembly includes the power gear assembly first part 302 penetrating the bearing 101, and the power gear assembly second part 5 meshing with the gear of the power gear assembly first part 302, and the power gear assembly second part 5 penetrates the propeller top cover 1 to connect the external power; through the bearing 101 on the propeller top cover 1, the vertical movement of the top of the power gear assembly first part 302 is realized, and the hydraulic recovery device is not hindered from working, and can normally rotate and work under the transmission of the power gear assembly second part 5; The control support 203 is connected with the top of the six propeller straight wings 4 through the control shaft 201; The vertical hydraulic rod of the hydraulic device 202 drives the control bearing 2, the control support 203, the base assembly 3, the propeller straight wing 4 and the power gear assembly first part 302 to lift as a whole, so as to realize the recovery and deployment of the propeller; The straight wing hydraulic 403 drives the second straight wing 402 to stretch and shrink in the inner cavity of the first straight wing 401, reduces the overall length of the cycloidal propeller in the shrinkage state, compresses the occupied space of the ship body when the cycloidal propeller shrinks, and adjusts the wing length of the straight wing of the propeller to adapt to different water depth environments.

[0015] Preferably, the two hydraulic devices 202 include orthogonal plane telescopic hydraulic rods, the horizontal hydraulic rod is connected with a ship direction control system, the eccentric moving control support 203 changes the deflection angle of the straight wing 4 of the propeller, and the direction of the propeller is adjusted.

[0016] Preferably, the base assembly 3 is in a six-antennae symmetrical distribution structure, and each end is connected with one propeller straight wing 4 through a fixed shaft 301.

[0017] Preferably, the bearing 101 is a rotatable sliding composite bearing, allowing the first part 302 of the power gear assembly to move in the vertical direction in the rotating state.

[0018] Preferably, the control support 203 is in a ring frame structure, and is hinged to the top of the six propeller straight wings 4 through a control shaft 201.

[0019] Working principle: the application has four operating states, respectively, rotating state, recycling state, unfolding state and steering state, when the telescopic recycling cycloidal propeller is in the operating state, the propeller top cover 1 is fixed on the ship body, the ship power system is connected with the power gear assembly second part 5, the power gear assembly second part 5 drives the power gear assembly first part 302, thereby driving the rotation of the base assembly 3, the control support 203 and the propeller straight wing 4, at the same time, the control support 203 rotates along the outer side of the control bearing 2, the power gear assembly first part 302 rotates with the bearing 101, to ensure the fixation of the upper half part of the telescopic recycling cycloidal propeller composed of the propeller top cover 1, the bearing 101, the power gear assembly second part 5, the control bearing 2 and the hydraulic control device 202, and the free rotation of the lower half part composed of the control shaft 201, the control support 203, the base assembly 3, the fixed shaft 301, the power gear assembly first part 302 and the propeller straight wing 4, when the telescopic recycling cycloidal propeller is in the recycling state, the electronic signal on the ship controls the contraction of the vertical hydraulic rod of the hydraulic device 202, the power gear assembly first part 302 moves upwards through the bearing 101, and the lower part of the telescopic recycling cycloidal propeller, except the propeller top cover 1, the bearing 101 and the power gear assembly second part 5, is also recycled upwards, so that the distance between the base assembly 3 and the control bearing 2 and the propeller top cover 1 is reduced, at the same time, the electronic signal on the ship controls the contraction of the straight wing hydraulic pressure 403 in the propeller straight wing 4, so that the second straight wing 402 is recycled into the inner cavity of the first straight wing 401, and the wing length of the propeller straight wing 4 is reduced, when the telescopic recycling cycloidal propeller is in the unfolding state, the operation process is opposite to that when the telescopic recycling cycloidal propeller becomes the recycling state, therefore, the telescopic recycling cycloidal propeller can control the wing length of the propeller straight wing 4 and the distance between the base assembly 3 and the control bearing 2 and the propeller top cover 1, that is, the total height of the telescopic recycling cycloidal propeller, through the free adjustment of the above two states, to adapt to the complex water depth environment, when the telescopic recycling cycloidal propeller is in the steering state, the ship direction control system is provided with a transverse hydraulic pressure, which is connected with the horizontal hydraulic rod of the hydraulic device 202, the two plane telescopic direction orthogonal hydraulic devices 202 can drive the control bearing 2, the control support 203 and the control shaft 201 to produce eccentric movement in the x-axis and y-axis planes through the telescopic transverse hydraulic pressure connected with the ship direction control system, so that the six propeller straight wings 4 are offset to produce different direction and size pressure differences, so that the propelling direction of the telescopic recycling cycloidal propeller is changed.

[0020] It should be noted that, in the present application, the relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0021] The foregoing is merely illustrative of the principles of the application and various modifications can be made by those skilled in the art without departing from the spirit and scope of the application. The above embodiments are illustrative, and not restrictive, of the scope of the application.

Claims

1. A retractable recyclable cycloid propeller, characterized in that: include: A propeller top cover (1) is inlaid with a bearing (101); A control bearing (2) having two hydraulic devices (202) fixed on the top and connected to a control bracket (203) on the outside; A base assembly (3) having a first portion (302) of a power gear assembly fixed on the top and six propeller straight wings (4) connected to the bottom via a fixed shaft (301); The propeller straight wing (4) is composed of a hollow first straight wing (401) and a second straight wing (402) nested therein, wherein a straight wing hydraulic system (403) is fixed to the upper end of the interior of the first straight wing (401), and the lower end of the straight wing hydraulic system (403) is connected to the lower end of the interior of the second straight wing (402); The power gear assembly comprises a first portion (302) of the power gear assembly penetrating a bearing (101), and a second portion (5) of the power gear assembly meshing with a gear of the first portion (302) of the power gear assembly, wherein the second portion (5) of the power gear assembly passes through the propeller top cover (1) to connect to an external power source; through the bearing (101) on the propeller top cover (1), while achieving vertical movement of the top of the first portion (302) of the power gear assembly, the operation of the hydraulic recovery device is not hindered, and the device can rotate normally under the transmission of the second portion (5) of the power gear assembly; The control bracket (203) is connected to the tops of the six propeller straight wings (4) via a control shaft (201); The vertical hydraulic rod of the hydraulic device (202) drives the control bearing (2), the control bracket (203), the base assembly (3), the propeller straight wing (4) and the first part (302) of the power gear assembly to rise and fall as a whole, thereby realizing the recovery and deployment of the propeller; The straight wing hydraulic system (403) drives the second straight wing (402) to extend and retract along the inner cavity of the first straight wing (401), thereby reducing the overall length of the cycloid propeller in the retracted state, compressing the space occupied by the hull when the cycloid propeller is retracted, and at the same time, adjusting the wing length of the propeller straight wing to adapt to different water depth environments.

2. The retractable retractable cycloid propeller according to claim 1, characterized in that: The two hydraulic devices (202) include orthogonally arranged planar telescopic hydraulic rods, the horizontal hydraulic rods being connected to the ship direction control system, and the offset angle of the propeller straight wing (4) is changed by eccentrically moving the control bracket (203) to achieve propulsion direction adjustment.

3. The retractable retractable cycloid propeller according to claim 1, characterized in that: The bottom of the base assembly (3) is a six-antenna symmetrically distributed structure, and each end is connected to a propeller straight wing (4) via a fixed shaft (301).

4. The retractable retractable cycloid propeller according to claim 1, characterized in that: The bearing (101) is a rotatable sliding composite bearing, allowing the first part (302) of the power gear assembly to move in a vertical direction in a rotating state.

5. The retractable retractable cycloid propeller according to claim 1, characterized in that: The control bracket (203) is a ring-shaped frame structure, and is hinged to the tops of the six propeller straight wings (4) via a control shaft (201).

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