A T-shaped deep-well reversible hydrodynamic fin and its use method

Abstract

The application discloses a T-shaped deep-well type reversible streamlined fin and a use method thereof, and belongs to the technical field of ship equipment, which comprises a deep well in a T-shaped structure, a space for accommodating a reversible fin is arranged in the deep well, a fixed pulley for guiding a hook cable is arranged on the inner side wall of the deep well through a support, the reversible fin is arranged at the bottom of the deep well, the reversible fin is divided into a left fin and a right fin, and the left fin and the right fin are driven to be reversed through a rotating shaft driving mechanism.The T-shaped deep-well type reversible streamlined fin and the use method thereof effectively reduce water flow resistance through the streamlined design of the reversible fin, break through the turbulent layer of the bottom of the ship, and reduce the interference of water flow on scientific exploration equipment; in the maintenance operation state, the T-shaped structure of the deep well provides a spacious and convenient operation space for the workers; the hook cable and other devices are used for fixing the position of the fin and connecting the operation personnel to install the support device in the maintenance process, and assist in hoisting the equipment when the equipment is replaced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ship equipment, in particular to a T-shaped deep-well type reversible streamlined fin and a use method thereof. BACKGROUND

[0002] With the continuous rise of the demand for scientific investigation of marine resources, as a key exploration tool, the optimization of the detection equipment of the marine scientific research ship is imminent. The early lifting fin exposes problems such as complicated device disassembly process and narrow maintenance space in the replacement and detection of scientific detection instruments, resulting in high labor and material costs. Based on this, the reversible fin is developed and applied. However, the existing reversible fin still has obvious defects in different working states. In the cruise data collection stage, it is difficult to efficiently break through the turbulent layer at the bottom of the ship, which causes the scientific detection equipment to be disturbed by the water flow, and the data collection accuracy is greatly reduced; in the maintenance state, due to the limitation of the fin structure and the installation method, the operation of the device maintenance and replacement is extremely inconvenient, which seriously affects the operation efficiency. SUMMARY

[0003] The purpose of the present application is to provide a T-shaped deep-well type reversible streamlined fin and a use method thereof. The shape of the reversible fin is designed to be streamlined to effectively reduce water resistance, break through the turbulent layer at the bottom of the ship, reduce the disturbance of the water flow to the scientific detection equipment, and improve the data acquisition accuracy of the scientific detection equipment. In the maintenance operation state, a spacious and convenient operation space is provided for the workers, and the workers can directly maintain and replace the equipment in the deep well at the bottom of the ship, thereby improving the maintenance work efficiency and safety.

[0004] To achieve the above-mentioned purpose, the present application provides a T-shaped deep-well type reversible streamlined fin, which comprises a deep well in a T-shaped structure, a space for accommodating a reversible fin is arranged inside the deep well, a fixed pulley for guiding the direction of a hook rope is mounted on the inner side wall of the deep well through a support, the reversible fin is arranged at the bottom of the deep well, and the reversible fin is divided into a left fin and a right fin, and the left fin and the right fin are driven to reverse by a rotating shaft driving mechanism.

[0005] Preferably, the back of the reversible fin is in a streamlined curved surface structure, U-shaped rings are symmetrically distributed on both sides of the back of the reversible fin, the opening direction of the U-shaped ring is perpendicular to the plane of the reversible fin, and the U-shaped ring is fixed to the edge position on both sides of the left fin and the right fin.

[0006] Preferably, the rotating shaft driving mechanism comprises a power motor and a gear set, the gear set comprises a driving wheel and a driven wheel which are engaged with each other, the power motor directly drives the driving wheel, the driven wheel is fixedly connected with a rotating shaft, the power motor, the gear set and the rotating shaft are each provided with two groups, and the rotating shaft is connected with the left fin and the right fin respectively and forms a rotating connection for driving the reversal.

[0007] Preferably, the T-shaped structure of the deep well comprises a vertical section and a horizontal section, both of which are provided with openings, and the opening width of the horizontal section exceeds the width of the flipper.

[0008] Preferably, one end of the hook cable is connected to the U-shaped ring on the back of the flipper, and the other end is connected to the reel of the hook cable driving motor after passing around the fixed pulley in the deep well.

[0009] Preferably, the streamlined curved surface structure of the flipper is a wing-shaped curved surface symmetric about an axis, and the thickness of the leading edge is greater than that of the trailing edge.

[0010] The application also provides a method for using the T-shaped deep well flipper, comprising the following steps:

[0011] S1, based on the mechanical properties of the flipper, the operation program of the power motor and the hook cable driving motor is written, and the power motor speed and torque parameters of the control shaft are set;

[0012] S2, after completing the parameter setting, the power motor is started, and due to the connection between the power motor, the driving wheel, the driven wheel, the shaft and the flipper, the power generated by the operation of the power motor is transmitted to the shaft, thereby driving the flipper to close;

[0013] S3, at the same time of starting the power motor, the hook cable driving motor is started, the hook cable driving motor slowly releases the hook cable, so that the hook cable is in a relaxed state, and the flipper starts to flip under the driving of the shaft;

[0014] S4, during the sailing of the ship, when the flipper in the working state needs to be flipped back to the initial open state, the power motor is started in the reverse direction; at the same time, the hook cable driving motor tightens the hook cable through the fixed pulley to provide additional power for the flipper, so as to ensure the stability of the flipping process;

[0015] S5, after the work of the ship is completed, the maintenance and repair work of the operating personnel is carried out in the deep well, and the fixed pulley and the hook cable are used as auxiliary tools for equipment hoisting and personnel safety device connection.

[0016] Therefore, the application adopts the above-mentioned T-shaped deep well flipper and its use method, which has the following beneficial effects:

[0017] 1) The streamlined design of the flipper effectively reduces the water flow resistance, breaks through the turbulent layer of the bottom layer of the ship, reduces the interference of the water flow on the scientific detection equipment, and improves the data acquisition accuracy of the scientific detection equipment;

[0018] 2) In the maintenance operation state, the T-shaped structure of the deep well provides a spacious and convenient operation space for the staff, and the staff can directly maintain and replace the equipment in the deep well of the ship bottom; meanwhile, the hook rope and other devices are used to fix the position of the fin plate and connect the installation support device of the operation personnel during the maintenance process, and assist in lifting the equipment during equipment replacement, which greatly improves the efficiency and safety of maintenance work.

[0019] The technical solutions of the present application will be further described in detail below by means of the accompanying drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic view of the closed structure of the flip fin of the T-shaped deep well flip flow line fin and its use method embodiment of the present application;

[0021] Figure 2 is a schematic view of the open structure of the flip fin of the T-shaped deep well flip flow line fin and its use method embodiment of the present application.

[0022] REFERENCE NUMERALS

[0023] 1, deep well; 2, fixed pulley; 3, U-shaped ring; 4, flip fin; 41, left fin; 42, right fin; 5, gear set; 51, driving wheel; 52, driven wheel; 6, rotating shaft; 7, power motor. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be further described in detail below by means of the accompanying drawings and examples.

[0025] Unless otherwise defined, the technical terms or scientific terms used in the present application shall be understood as the usual meaning understood by a person with ordinary skill in the art to which the present application belongs. The "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, and do not exclude other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0026] Example 1

[0027] The present application provides a T-shaped deep well flip flow line fin, the device structure is as follows Figures 1-2As shown, including a deep well 1 in T-shaped structure, the T-shaped structure of the deep well 1 includes a vertical section and a horizontal section, both of which are provided with openings. The deep well 1 is internally provided with a space for accommodating the flip fin 4, and the opening width of the horizontal section exceeds the width of the flip fin 4. The inner side wall of the deep well 1 is provided with a fixed pulley 2 for guiding the hook cable through a support, and the flip fin 4 is arranged in the horizontal section of the deep well 1. The flip fin 4 is divided into a left fin 41 and a right fin 42, and the left fin 41 and the right fin 42 are driven to flip by a rotating shaft driving mechanism.

[0028] The back of the flip fin 4 is a streamline curved surface structure, the streamline curved surface structure of the flip fin 4 is a wing-shaped curved surface symmetrical about an axis, and the thickness of the leading edge is greater than that of the trailing edge, which helps to reduce water flow resistance and improve the data acquisition accuracy of the scientific exploration equipment in the cruising state. The back of the flip fin 4 is symmetrically distributed with a U-shaped ring 3, the opening direction of the U-shaped ring 3 is perpendicular to the plane of the flip fin 4, and the U-shaped ring 3 is fixed to the edge position on both sides of the left fin 41 and the right fin 42.

[0029] The rotating shaft driving mechanism includes a power motor 7 and a gear set 5, the gear set 5 includes a driving wheel 51 and a driven wheel 52 which are engaged with each other, the power motor 7 directly drives the driving wheel 51, and the driven wheel 52 is fixedly connected with a rotating shaft 6. The power motor 7, the gear set 5 and the rotating shaft 6 are each provided with two groups, the rotating shaft 6 is connected with the left fin 41 and the right fin 42 respectively and forms a rotating connection for driving the flip. One end of the hook cable is connected with the U-shaped ring 3 on the back of the flip fin 4, and the other end is connected with the hook cable driving motor after passing through the fixed pulley 2 in the deep well 1.

[0030] The T-shaped deep well type flipper of the embodiment is used, including the following steps:

[0031] S1, based on the mechanical properties of the flipper 4, including the center of gravity position, moment of inertia, flip step size and other parameters of the flipper 4, the power motor 7 and the hook cable driving motor operation program is compiled, and the power motor 7 rotating speed and torque parameters of the rotating shaft 6 are set.

[0032] S2, after completing the parameter preset, starting the power motor 7, due to the connection between the power motor 7, the driving wheel 51, the driven wheel 52, the rotating shaft 6 and the flipper 4, the power generated by the power motor 7 is transmitted to the rotating shaft 6, and then the left fin 41 and the right fin 42 are driven to close to the center, and are in working state, as Figure 1 shown.

[0033] S3, the power motor 7 is started at the same time, the hook cable driving motor is started, the hook cable driving motor slowly releases the hook cable, so that the hook cable is in a relaxed state, and the left fin 41 and the right fin 42 start to flip under the driving of the rotating shaft 6.

[0034] S4, during the voyage of the ship, when the flip fin 4 in the working state needs to be flipped back to the initial open state, as shown, the power motor 7 is started in the reverse direction; at the same time, the hook cable driving motor tightens the hook cable through the fixed pulley 2 to provide additional power for the left fin 41 and the right fin 42, ensuring smooth flipping. Figure 2

[0035] S5, the ship work is finished, and the operation personnel enter the deep well 1 to carry out maintenance operation, the T-shaped structure of the deep well 1 provides great convenience for the workers, the horizontal section of which provides a relatively open operation space for the workers, which is convenient for checking, cleaning, debugging and other maintenance operations of the equipment; at the same time, the hook cable and the fixed pulley 2 can play an auxiliary role in the maintenance process, such as fixing the flip fin 4 at a specific position and connecting the operation personnel to install the protection device, which is convenient for the workers to maintain the equipment; or when replacing the equipment, the hook cable is used to assist in lifting the equipment, which improves the efficiency and safety of equipment replacement and improves the efficiency and convenience of maintenance work.

[0036] Therefore, the application adopts the above-mentioned T-shaped deep well type flipable streamline fin and its use method, the streamline design of the flip fin effectively reduces the water flow resistance, breaks through the turbulent layer of the bottom of the ship, reduces the interference of water flow on the scientific detection equipment, thereby improving the data acquisition accuracy of the scientific detection equipment; in the maintenance operation state, the T-shaped structure of the deep well provides a spacious and convenient operation space for the workers, and the workers can directly maintain and replace the equipment in the deep well of the ship bottom; at the same time, the hook cable and other devices are used to fix the fin position and connect the operation personnel to install the protection device during the maintenance process, and assist in lifting the equipment during equipment replacement, which greatly improves the efficiency and safety of maintenance work.

[0037] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application and not to limit them, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: it can still modify or equivalently replace the technical solutions of the present application, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.​

Claims

1. A T-shaped deep-well type reversible streamlined fin, characterized in that: The device includes a T-shaped deep well with a space inside for accommodating a tilting fin plate. The inner sidewall of the deep well is equipped with a fixed pulley for guiding the direction of the hook cable. The tilting fin plate is located at the bottom of the deep well and is divided into a left fin plate and a right fin plate. The left and right fin plates are tilted by a rotating shaft drive mechanism. The T-shaped structure of the deep well includes a vertical section and a horizontal section, both of which are provided with openings. The width of the opening in the horizontal section exceeds the width of the flip-up fin. The rotating shaft drive mechanism includes a power motor and a gear set. The gear set includes a driving wheel and a driven wheel that mesh with each other. The power motor directly drives the driving wheel. The driven wheel is fixedly connected to a rotating shaft. There are two sets of the power motor, gear set and rotating shaft. The rotating shaft is connected to the left fin plate and the right fin plate respectively to form a rotating connection for driving the rotation. One end of the hook is connected to the U-shaped ring on the back of the flip fin, and the other end passes around the fixed pulley in the deep well and is connected to the reel of the hook drive motor.

2. The T-shaped deep-well type reversible streamlined fin plate according to claim 1, characterized in that: The back of the flip fin has a streamlined curved surface structure, and U-shaped rings are symmetrically distributed on both sides of the back of the flip fin. The opening direction of the U-shaped rings is perpendicular to the plane of the flip fin and is fixed to the edge positions of the left and right fins.

3. The T-shaped deep-well type reversible streamlined fin plate according to claim 2, characterized in that: The streamlined curved surface structure of the flip-up fin is an airfoil symmetrical about the axis, and its leading edge thickness is greater than its trailing edge thickness.

4. The method of using the T-shaped deep-well type reversible streamlined fin plate according to claim 3, characterized in that, Includes the following steps: S1. Based on the mechanical characteristics of the flip fin, write the operation program for the power motor and the hook drive motor, and set the speed and torque parameters of the power motor controlling the rotating shaft. S2. After completing the parameter preset, start the power motor. Since the power motor, drive wheel, driven wheel, rotating shaft and tilting fin are connected, the power generated by the operation of the power motor is transmitted to the rotating shaft, thereby driving the tilting fin to close. S3. At the same time as the power motor starts, the hook cable drive motor is also started. The hook cable drive motor slowly releases the hook cable, so that the hook cable is in a slack state, and the flip fin begins to flip under the drive of the rotating shaft. S4. During the ship's navigation, when it is necessary to flip the working flip fin back to the initial open state, the power motor is started to run in the opposite direction; at the same time, the hook cable drive motor tightens the hook cable through the fixed pulley to provide additional assistance to the flip fin, ensuring a smooth flipping process. S5. After the ship finishes its work, the workers enter the deep well for maintenance and repair. The fixed pulley and hook rope are used as auxiliary tools for equipment hoisting and personnel safety device connection.

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