Stern plugboard for adjusting dip angle of ship body and control system thereof

Abstract

The invention belongs to the field of stern spiles, and provides a stern spile for adjusting the dip angle of a ship body and a control system thereof.The stern spile comprises a shell, the shell is fixedly installed on the ship body, a lifting leaf plate is slidably connected to the interior of the shell, one end of the lifting leaf plate extends out of the bottom of the shell, and a driving rod is rotatably connected to the side face of the shell; the end, located in the shell, of the driving rod is fixedly connected with a crank, the side face of the crank is fixedly connected with a rotating shaft, the rotating shaft is rotationally connected with a driving block, and the driving block is installed on the lifting leaf plate in a sliding mode; by arranging a second servo motor, a driving rod and a crank, the second servo motor can drive a lifting blade plate to ascend and descend through the driving rod and the crank, and the lifting distance of the lifting blade plate can be accurately controlled by controlling the rotating angle of the servo motor; and the extension amount of the lifting blade plate can be subjected to real-time stepless adjustment according to the sailing state of the ship body, so that the sailing of the ship body is more stable and smoother.

Description

Technical Field

[0001] The invention belongs to the field of stern blades, and in particular relates to a stern blade for adjusting the inclination angle of a hull and a control system thereof. Background Art

[0002] When a boat is sailing in the water, the angle between the boat's baseline and the horizontal plane is called the trim angle; at different speeds, the trim angle of the hull is different, especially when just starting, the trim angle is large, and when traveling steadily the trim angle is relatively small; the trim angle has a great influence on the comfort and speed of sailing; for example, when in the slipping state, in order to facilitate speeding up, the bow needs to be tilted up, the hull needs to be level when moving at high speed, and when encountering waves, the trim angle of the hull also needs to be adjusted to keep the hull stable.

[0003] At present, the stern plate is mostly used to adjust the longitudinal inclination angle of the hull in China. The stern plate is also called a wave-breaking plate, a stern plate or a lift plate. It is a flat structure installed at the rear end of the bottom of the hull. The stern plate usually has only two postures: extended or retracted. It cannot be adjusted steplessly in real time during driving, resulting in the stern plate's adjustment of the hull not being smooth enough, reducing the effect of the stern plate. Summary of the invention

[0004] The object of the present invention is to provide a stern blade for adjusting the inclination of a hull and a control system thereof, aiming to solve the technical problem in the prior art that the extension amount of the stern blade cannot be adjusted steplessly in real time during driving.

[0005] The present invention is implemented as follows: a stern blade for adjusting the inclination angle of a hull comprises a shell, the shell is fixedly mounted on the hull, a lifting blade is slidably connected inside the shell, one end of the lifting blade extends from the bottom of the shell, a driving rod is rotatably connected to the side of the shell, a crank is fixedly connected to one end of the driving rod located inside the shell, a rotating shaft is fixedly connected to the side of the crank, a driving block is rotatably connected to the rotating shaft, the driving block is slidably mounted on the lifting blade, a slide groove adapted to the driving block is provided on the lifting blade, and the length of the slide groove is The height of the lifting vane is not less than the length of the crank, the driving rod is installed at the tail of the hull, and a height adjustment mechanism is also installed on the hull, one end of the height adjustment mechanism is connected to the driving rod, and the height adjustment mechanism is used to drive the driving rod to rotate, and the driving rod drives the driving block to rotate through the crank, and the driving block drives the lifting vane to rise and fall, so as to adjust the length of the lifting vane extending out of the shell, that is, the depth of the lifting vane entering the water. Through real-time adjustment of the water entry depth of the lifting vane, it can be adjusted in time according to different driving conditions of the hull, making the adjustment smoother, thereby improving the stability and operability of the hull.

[0006] In order to improve the stability of the lifting vane, a plurality of guide rods are fixedly connected to the interior of the shell, and guide grooves adapted to the guide rods are provided on the lifting vane; In order to improve the sealing performance of the lifting blade and prevent seawater from entering the interior of the housing, two sealing strips are arranged inside the housing, and the two sealing strips are respectively installed on both sides of the lifting blade.

[0007] Further technical solution: the height adjustment mechanism includes a sliding seat slidably connected to the hull, the hull is provided with an arc-shaped slide groove compatible with the sliding seat, the sliding seat is fixedly connected with an arc-shaped bevel gear, the drive rod is equipped with a driven bevel gear, the arc-shaped bevel gear and the driven bevel gear are meshingly connected, the hull is also equipped with a mounting seat, the mounting seat is fixedly installed with a second servo motor, the output shaft of the second servo motor is fixedly connected with a second drive gear, the side of the sliding seat is fixedly connected with a second arc-shaped rack, and the second drive gear and the second arc-shaped rack are meshingly connected.

[0008] Further technical solution: A positioning mechanism is also provided, which includes a second angle sensor, which is fixedly installed inside the shell through a connecting piece, and the input end of the second angle sensor is connected to a positioning gear, and the side of the lifting vane is fixedly connected to a spur rack, and the positioning gear and the spur rack are meshing.

[0009] Further technical solution: a sealing ball is also provided, the sealing ball is rotatably mounted on the hull, the axis of the sealing ball coincides with the rotation axis of the sliding seat, the driving rod passes through the tube and is rotatably mounted on the sealing ball, the housing is mounted on the sealing ball through a plurality of positioning rods, a first limiting nut is threadedly connected on the driving rod, a side surface of the first limiting nut abuts against a side surface of the sealing ball away from the housing, so that the housing can be fixedly mounted on the sealing ball; The hull is also provided with an angle adjustment mechanism, one end of which is connected to a driving rod, and the angle adjustment mechanism is used to drive the driving rod to swing, the driving rod drives the sealing ball and the outer shell to swing, and the outer shell drives the lifting vane to swing, so that the angle at which the lifting vane enters the water can be adjusted. When the lifting vane is not parallel to the side of the hull, the resistance of the lifting vane in the water is increased, which can assist the hull in decelerating. At the same time, by controlling the angles of different lifting vanes, the longitudinal inclination and transverse inclination angles of the hull can be adjusted to assist the hull in steering, which greatly enhances the auxiliary ability of the stern plate to the hull.

[0010] Further technical solution: the angle adjustment mechanism includes a mounting head, the mounting head is mounted on one end of the driving rod by a fixing screw, a first arc-shaped rack is fixedly connected to the side of the mounting head, the rotation axis of the first arc-shaped rack coincides with the axis of the sealing ball, a fixing rod is fixedly mounted on the hull, one end of the fixing rod is fixedly connected to a guide sleeve, the first arc-shaped rack is slidably connected to the guide sleeve, a first servo motor is also mounted on the hull, an output shaft of the first servo motor is fixedly connected to a first driving gear, and the first driving gear is meshingly connected to the first arc-shaped rack; In order not to affect the rotation of the driving rod, the mounting head includes a plug, a slot is opened at the end of the driving rod, the plug is inserted into the slot, a rotating head is rotatably mounted on the side of the plug, and the first arc-shaped rack is fixedly connected to the side of the rotating head.

[0011] Further technical solution: A first angle sensor is also provided, and the first angle sensor is installed on the hull. The input end of the first angle sensor is connected to one end of the sealing ball. The first angle sensor can detect the rotation angle of the sealing ball. The first angle sensor and the first servo motor are electrically connected to accurately control the angle at which the first servo motor drives the outer shell to swing.

[0012] Further technical solution: the driven bevel gear is rotatably mounted on the driving rod, the height adjustment mechanism further comprises a clutch assembly, the clutch assembly is mounted on the driving rod, one end of the clutch assembly can be connected to the side of the driven bevel gear, and the clutch assembly is used to control the connection relationship between the driven bevel gear and the driving rod; When the clutch assembly is connected to the driven bevel gear, the arc-shaped bevel gear can drive the clutch assembly and the driving rod to rotate through the driven bevel gear. When the clutch assembly and the driven bevel gear are disconnected, the driven bevel gear can rotate freely and no longer drives the driving rod to rotate. At this time, the angle of the shell can be freely adjusted to avoid affecting the auxiliary performance of the stern plate on the hull.

[0013] Further technical solution: the clutch assembly includes a friction cone ring slidably mounted on a driving rod, a key groove matching the friction cone ring is provided on the side of the driving rod, a cone groove is provided on the side of the driven bevel gear close to the friction cone ring, the friction cone ring and the cone groove conical surface cooperate, a compression spring is connected to the side of the friction cone ring facing away from the driven bevel gear, one end of the compression spring is connected to a push plate, the push plate is slidably connected to the driving rod, a tension spring is connected between the push plate and the driving rod, a cylinder is fixedly mounted on the driving rod, the movable end of the cylinder abuts against the side of the push plate, and initially, the friction cone ring and the cone groove are disconnected.

[0014] Further technical solution: A sealing nut is threadedly connected to the driving rod, and a side surface of the sealing nut contacts a side surface of the housing through a sealing gasket.

[0015] A control system for a stern plate for adjusting the inclination of a hull comprises a control box and a centralized control panel. A stern plate data processing system is arranged in the control box. The control box and the centralized control panel are both installed in a steering gear cabin on the hull. A wire rope shock absorber is used to dampen the control box.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention, by providing a second servo motor, a driving rod and a crank, the second servo motor can drive the lifting blade to rise and fall through the driving rod and the crank, and by controlling the rotation angle of the servo motor, the lifting distance of the lifting blade can be accurately controlled, so that the extension amount of the lifting blade can be adjusted steplessly in real time according to the navigation state of the hull, so that the hull can sail more stably and smoothly; 2. The present invention, by providing a second angle sensor, a positioning gear and a spur rack, when the lifting vane is lifted or lowered, the lifting vane drives the positioning gear to rotate through the spur rack, and the second angle sensor can calculate the number of rotations and angles of the positioning gear, and combined with the diameter of the positioning gear, the distance of movement of the lifting vane can be calculated, so that the extension amount of the lifting vane can be accurately controlled, thereby improving the performance of the product; 3. The present invention provides a sealing ball and an angle adjustment mechanism. The angle adjustment mechanism can drive the driving rod to swing. The driving rod drives the sealing ball, the housing and the lifting blade to swing, so that the angle of the lifting blade entering the water can be adjusted, which can assist the hull to accelerate and decelerate. At the same time, by controlling the angles of different lifting blades, the longitudinal and heel angles of the hull can be adjusted to assist the hull to turn, which greatly improves the auxiliary ability of the stern plate to the hull; 4. The present invention provides a clutch assembly. When the clutch assembly is connected to the driven bevel gear, the arc-shaped bevel gear can drive the clutch assembly and the driving rod to rotate through the driven bevel gear. At this time, the extension amount of the lifting vane can be adjusted; when the clutch assembly and the driven bevel gear are disconnected, the driven bevel gear can rotate freely and no longer drives the driving rod to rotate. At this time, the angle of the lifting vane can be freely adjusted. At the same time, it avoids affecting the extension amount of the lifting vane and improves the control accuracy of the stern blade. 5. The present invention, by setting a control box, a centralized control panel and a stern board data processing system, the control box receives the ship's speed and other data through UDP broadcast and turns on the power supply. The system automatically adjusts the extension amount of each group of lifting blades according to the speed signal, the longitudinal inclination angle signal and the rudder angle signal, so that the longitudinal inclination angle and the heel angle of the hull can be adaptively adjusted, which greatly reduces the difficulty of operating the hull. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall installation cross-sectional structure of the present invention.

[0018] Figure 2 For the present invention Figure 1 Enlarged schematic diagram at point A in the middle.

[0019] Figure 3 It is a structural schematic diagram of the overall local cross section of the present invention.

[0020] Figure 4 It is an enlarged schematic diagram of point B in FIG. 3 of the present invention.

[0021] Figure 5 It is a schematic diagram of the structure of the interior of the shell viewed from the side in the present invention.

[0022] Figure 6 It is a schematic diagram of the structure of the shell facing the interior of the present invention.

[0023] Figure 7 For the present invention Figure 6 Enlarged schematic diagram at point C in the middle.

[0024] Figure 8 It is a schematic diagram of the overall arrangement on the hull of the present invention.

[0025] Fig. 9 It is a schematic diagram of the structure of the electrical connection of the control box in the present invention.

[0026] Fig.10 The figure is a schematic diagram of the control principle of the stern board data processing system in the present invention.

[0027] In the attached drawings: 1, housing; 2, positioning rod; 3, sealing ball; 4, first limiting nut; 5, driving rod; 6, angle adjustment mechanism; 61, first arc-shaped rack; 62, first driving gear; 63, first servo motor; 64, mounting head; 65, guide sleeve; 66, fixing rod; 67, rotating head; 68, fixing screw; 69, plug; 610, slot; 7, height adjustment mechanism; 71, clutch assembly; 711, cylinder; 712, tension spring; 713, push plate; 714, compression spring; 715, friction cone ring; 716, keyway; 717, cone groove; 72, Driven bevel gear; 73, arc bevel gear; 74, sliding seat; 75, second arc rack; 76, second servo motor; 77, second drive gear; 78, mounting seat; 79, arc slide; 8, sealing nut; 9, second limit nut; 10, hull; 11, first angle sensor; 12, lifting vane; 13, slide; 14, driving block; 15, crank; 16, guide groove; 17, sealing strip; 19, rotating shaft; 20, guide rod; 21, positioning mechanism; 211, connecting piece; 212, second angle sensor; 213, positioning gear; 214, spur rack. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0029] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0030] like Figure 1-Figure 7 As shown, a stern plug for adjusting the inclination angle of a hull provided by the present invention comprises a shell 1, wherein the shell 1 is fixedly mounted on a hull 10, a lifting vane 12 is slidably connected inside the shell 1, one end of the lifting vane 12 extends from the bottom of the shell 1, a driving rod 5 is rotatably connected to the side of the shell 1, a crank 15 is fixedly connected to one end of the driving rod 5 located inside the shell 1, a rotating shaft 19 is fixedly connected to the side of the crank 15, a driving block 14 is rotatably connected to the rotating shaft 19, the driving block 14 is slidably mounted on the lifting vane 12, a slide groove 13 adapted to the driving block 14 is provided on the lifting vane 12, and the slide groove 13 is adapted to the driving block 14. The length of the crank 15 is not less than the length of the drive rod 5, and the hull 10 is also provided with a height adjustment mechanism 7, one end of which is connected to the drive rod 5, and the height adjustment mechanism 7 is used to drive the drive rod 5 to rotate, and the drive rod 5 drives the drive block 14 to rotate through the crank 15, and the drive block 14 drives the lifting vane 12 to rise and fall, so as to adjust the length of the lifting vane 12 extending out of the shell 1, that is, the depth of the lifting vane 12 entering the water. By adjusting the entry depth of the lifting vane 12 into the water in real time, it can be adjusted in time according to the different driving states of the hull 10, so that the adjustment is smoother, thereby improving the stability and operability of the hull 10.

[0031] In order to improve the stability of the lifting vane 12, a plurality of guide rods 20 are fixedly connected to the interior of the housing 1, and a guide groove 16 adapted to the guide rod 20 is provided on the lifting vane 12; In order to improve the sealing performance of the lifting vane 12 and prevent seawater from entering the interior of the housing 1 , two sealing strips 17 are arranged inside the housing 1 , and the two sealing strips 17 are respectively installed on both sides of the lifting vane 12 .

[0032] like Figure 1-Figure 6As shown, a stern plug plate for adjusting the inclination angle of a hull provided by the present invention, in this embodiment, the height adjustment mechanism 7 includes a sliding seat 74 slidably connected to the hull 10, the hull 10 is provided with an arc-shaped slide groove 79 adapted to the sliding seat 74, the sliding seat 74 is fixedly connected with an arc-shaped bevel gear 73, the driving rod 5 is provided with a driven bevel gear 72, the arc-shaped bevel gear 73 and the driven bevel gear 72 are meshed and connected, the hull 10 is also provided with a mounting seat 78, the mounting seat 78 is fixedly installed with a second servo motor 76, the output shaft of the second servo motor 76 is fixedly connected with a second driving gear 77, the side of the sliding seat 74 is fixedly connected with a second arc-shaped rack 75, the second driving gear 77 and the second arc-shaped rack 75 are meshed and connected.

[0033] The second servo motor 76 drives the second driving gear 77 to rotate, the second driving gear 77 drives the second arc-shaped rack 75 and the sliding seat 74 to slide, the sliding seat 74 drives the driven bevel gear 72 to rotate through the arc-shaped bevel gear 73, and the driven bevel gear 72 drives the driving rod 5 to rotate.

[0034] In order to maximize the extension of the lifting vane 12, the number of teeth on the arcuate bevel gear 73 is not less than half the number of teeth on the driven bevel gear 72, so that the driven bevel gear 72 can rotate 180°, so that the lifting vane 12 moves a distance equal to twice the length of the crank 15.

[0035] like Figure 6-Figure 7 As shown, a stern plug plate for adjusting the inclination angle of the hull provided by the present invention, in order to accurately control the extension amount of the lifting vane 12, in this embodiment, a positioning mechanism 21 is also provided, the positioning mechanism 21 includes a second angle sensor 212, the second angle sensor 212 is fixedly installed inside the shell 1 through a connecting member 211, the input end of the second angle sensor 212 is connected to a positioning gear 213, the side of the lifting vane 12 is fixedly connected to a spur rack 214, the positioning gear 213 and the spur rack 214 are meshed.

[0036] When the lifting vane 12 is raised or lowered, the lifting vane 12 drives the positioning gear 213 to rotate through the spur rack 214. The second angle sensor 212 can calculate the number of revolutions and angles of the positioning gear 213, and combined with the diameter of the positioning gear 213, the movement distance of the lifting vane 12 can be calculated. The second angle sensor 212 is electrically connected to the second servo motor 76, so that the extension amount of the lifting vane 12 can be accurately controlled.

[0037] like Figure 1-Figure 6As shown, a stern plug for adjusting the inclination of a hull provided by the present invention is provided. In order to improve the auxiliary driving capability of the stern plug for the hull 10, in this embodiment, a sealing ball 3 is further provided. The sealing ball 3 is rotatably mounted on the hull 10. The axis of the sealing ball 3 coincides with the axis of the rotation axis 19 of the sliding seat 74. The driving rod 5 is passed through a pipe and rotatably mounted on the sealing ball 3. The housing 1 is mounted on the sealing ball 3 through a plurality of positioning rods 2. A first limiting nut 4 is threadedly connected to the driving rod 5. The side of the first limiting nut 4 abuts against the side of the sealing ball 3 away from the housing 1, so that the housing 1 can be fixedly mounted on the sealing ball 3. An angle adjustment mechanism 6 is also installed on the hull 10, one end of which is connected to the driving rod 5. The angle adjustment mechanism 6 is used to drive the driving rod 5 to swing, and the driving rod 5 drives the sealing ball 3 and the shell 1 to swing, and the shell 1 drives the lifting vane 12 to swing, so that the angle of the lifting vane 12 entering the water can be adjusted. When the lifting vane 12 is not parallel to the side of the hull 10, the resistance of the lifting vane 12 in the water is increased, which can assist the hull 10 to slow down. At the same time, by controlling the angles of different lifting vanes 12, the longitudinal inclination and heel angles of the hull 10 can be adjusted to assist the hull 10 in steering, which greatly improves the stern plate's auxiliary ability for the hull 10.

[0038] like Figure 1-Figure 6 As shown, a stern plug for adjusting the inclination angle of a hull provided by the present invention, in this embodiment, the angle adjustment mechanism 6 includes a mounting head 64, the mounting head 64 is mounted on one end of the driving rod 5 by a fixing screw 68, a first arc-shaped rack 61 is fixedly connected to the side of the mounting head 64, the center of the rotating shaft 19 of the first arc-shaped rack 61 coincides with the center of the axis of the sealing ball 3, a fixing rod 66 is fixedly mounted on the hull 10, one end of the fixing rod 66 is fixedly connected to a guide sleeve 65, the first arc-shaped rack 61 is slidably connected to the guide sleeve 65, a first servo motor 63 is further mounted on the hull 10, the output shaft of the first servo motor 63 is fixedly connected to a first driving gear 62, the first driving gear 62 is meshingly connected to the first arc-shaped rack 61; In order not to affect the rotation of the driving rod 5, the mounting head 64 includes a plug 69. A slot 610 is opened at the end of the driving rod 5. The plug 69 is inserted into the slot 610. A rotating head 67 is rotatably mounted on the side of the plug 69. The first arc-shaped rack 61 is fixedly connected to the side of the rotating head 67.

[0039] The first servo motor 63 drives the first arc-shaped rack 61 to rotate around the sealing ball 3 through the first driving gear 62 , and the first arc-shaped rack 61 drives the driving rod 5 to swing around the sealing ball 3 , so that the angle of the housing 1 can be adjusted.

[0040] like Figure 1-Figure 4 As shown, a stern plug plate for adjusting the inclination angle of the hull provided by the present invention is provided. In order to accurately control the adjustment angle of the outer shell 1, in this embodiment, a first angle sensor 11 is further provided. The first angle sensor 11 is installed on the hull 10. The input end of the first angle sensor 11 is connected to one end of the sealing ball 3. The first angle sensor 11 can detect the rotation angle of the sealing ball 3. The first angle sensor 11 is electrically connected to the first servo motor 63, so that the angle at which the outer shell 1 is driven to swing by the first servo motor 63 can be accurately controlled.

[0041] like Figure 1-Figure 6 As shown, a stern blade for adjusting the inclination angle of a hull provided by the present invention is provided. When the first servo motor 63 drives the driving rod 5 to swing, the driving rod 5 will also drive the driven bevel gear 72 to move. Since the driven bevel gear 72 and the arc bevel gear 73 are always meshed, and the sliding seat 74 and the arc bevel gear 73 are fixed, the driven bevel gear 72 will roll along the arc bevel gear 73, and the driven bevel gear 72 will drive the driving rod 5 to rotate, which will adjust the extension amount of the lifting vane 12, which is not conducive to accurately controlling the stern blade. Therefore, in this embodiment, the driven bevel gear 72 is rotatably installed on the driving rod 5, and the height adjustment mechanism 7 also includes a clutch assembly 71, which is installed on the driving rod 5, and one end of the clutch assembly 71 can be connected to the side of the driven bevel gear 72, and the clutch assembly 71 is used to control the connection relationship between the driven bevel gear 72 and the driving rod 5; When the clutch assembly 71 is connected to the driven bevel gear 72, the arc-shaped bevel gear 73 can drive the clutch assembly 71 and the driving rod 5 to rotate through the driven bevel gear 72. When the clutch assembly 71 and the driven bevel gear 72 are disconnected, the driven bevel gear 72 can rotate freely and no longer drives the driving rod 5 to rotate. At this time, the angle of the shell 1 can be freely adjusted to avoid affecting the auxiliary performance of the stern plate on the hull 10.

[0042] In order to prevent the driven bevel gear 72 from falling off, a second limiting nut 9 is threadedly connected to the driving rod 5 , and a side surface of the second limiting nut 9 abuts against the driven bevel gear 72 .

[0043] like Figure 1-Figure 6As shown, a stern plug plate for adjusting the inclination angle of a hull provided by the present invention is provided. In this embodiment, the clutch assembly 71 includes a friction cone ring 715 slidably mounted on the driving rod 5, a key groove 716 matched with the friction cone ring 715 is provided on the side of the driving rod 5, a cone groove 717 is provided on the side of the driven bevel gear 72 close to the friction cone ring 715, the conical surfaces of the friction cone ring 715 and the cone groove 717 are matched, a compression spring 714 is connected to the side of the friction cone ring 715 away from the driven bevel gear 72, one end of the compression spring 714 is connected to a push plate 713, the push plate 713 is slidably connected to the driving rod 5, a tension spring 712 is connected between the push plate 713 and the driving rod 5, a cylinder 711 is fixedly mounted on the driving rod 5, the movable end of the cylinder 711 abuts against the side of the push plate 713, and initially, the friction cone ring 715 and the cone groove 717 are disconnected.

[0044] When adjusting the extension amount of the lifting vane 12, the movable end of the cylinder 711 is extended, and the cylinder 711 drives the push plate 713 to move. The push plate 713 drives the friction cone ring 715 to move through the compression spring 714, so that the friction cone ring 715 contacts the cone groove 717. Under the action of friction force, the driven bevel gear 72 can drive the friction cone ring 715 and the driving rod 5 to rotate, thereby adjusting the extension amount of the lifting vane 12.

[0045] like Figure 2-Figure 3 and Figure 5 As shown, a stern plug plate for adjusting the inclination angle of a hull provided by the present invention is provided. Since the outer shell 1 is installed on the sealing ball 3, and there is a gap between the outer shell 1 and the sealing ball 3, the sealing performance of the outer shell 1 will be reduced. In this embodiment, a sealing nut 8 is threadedly connected to the driving rod 5, and the side of the sealing nut 8 contacts the side of the outer shell 1 through a sealing gasket.

[0046] In order to enable the stern plate to automatically adjust to adapt to different sailing states of the hull 10, such as Figure 9-10 As shown, a control system for a stern plug for adjusting the inclination angle of a hull provided by the present invention, in this embodiment, includes a control box and a centralized control panel, the control box is provided with a stern plug data processing system, the control box and the centralized control panel are both installed in the steering gear cabin on the hull 10, and a wire rope shock absorber is used to dampen the control box.

[0047] The control box receives data such as speed, yaw angle and position provided by the inertial navigation system on the ship through UDP broadcast, and the control box is powered on. The system automatically adjusts the extension amount of each group of lifting blades 12 according to the speed signal, the pitch angle signal and the rudder angle signal, and adaptively adjusts the pitch angle and the roll angle of the hull 10; The centralized control panel interface displays the blade extension length, rudder angle, current speed, current pitch angle and roll angle of the left and right side plug-in units.

[0048] Directions: 1) When adjusting the extension amount of the lifting blade 12, the second servo motor 76 drives the second driving gear 77 and the second arc rack 75 to rotate, the second arc rack 75 drives the sliding seat 74 and the arc bevel gear 73 to rotate around the sealing ball 3, the arc bevel gear 73 drives the driven bevel gear 72 to rotate, the driven bevel gear 72 drives the driving rod 5 to rotate through the clutch assembly 71, the driving rod 5 drives the driving block 14 to move through the crank 15 and the rotating shaft 19, and the driving block 14 drives the lifting blade 12 to move up and down, so that the length of the lifting blade 12 extending into the water can be adjusted; 2) When adjusting the water entry angle of the lifting vane 12, the movable end of the cylinder 711 retracts, the tension spring 712 pulls the push plate 713, the compression spring 714 and the friction cone ring 715 back, so that the friction cone ring 715 and the cone groove 717 are disengaged, and the first servo motor 63 drives the first drive gear 62 to rotate, and the first drive gear 62 drives the first arc-shaped rack 61 to rotate around the sealing ball 3, and the first arc-shaped rack 61 drives the drive rod 5 to swing around the sealing ball 3, and the drive rod 5 drives the housing 1 and the lifting vane 12 to swing around the sealing ball 3, so that the water entry angle of the lifting vane 12 can be adjusted.

[0049] During installation, the stern blade is installed at the tail of the hull 10, with four sets on each side. By controlling the water entry length of the lifting blade 12, the longitudinal inclination angle of the hull 10 can be adjusted, allowing the operator to obtain the desired ship speed and driving comfort; at different driving speeds, the different extension lengths and angles of the lifting blade 12 can ensure that the hull 10 has a suitable longitudinal inclination angle and transverse inclination angle, reduce wave resistance, adjust the driver's viewing angle, and maintain the stability of the hull 10; when the ship turns, the transverse inclination angle of the hull 10 is adjusted by controlling the extension amount and angle of the left and right lifting blades 12 respectively.

[0050] The specific functions are described as follows: 1) During the acceleration and deceleration process of the hull 10, according to the speed of the ship (receiving the speed information on the ship), the system automatically controls the stern plate actuator to change the extension amount and extension angle according to the preset curve to adjust the longitudinal inclination angle of the hull 10.

[0051] 2) When the hull 10 is moving at a constant speed, the system automatically controls the extension amount of the stern plate actuator according to the real-time trim angle of the ship to adjust the trim angle of the hull 10.

[0052] 3) During the turning process of the hull 10, according to the angle of the steering rudder (the rudder angle information received from the ship), the system automatically controls the extension amount and extension angle of the port and starboard stern plate actuators to adjust the heel angle of the hull 10.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0054] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A stern plate for adjusting the inclination angle of a hull, comprising a shell (1), wherein the shell (1) is fixedly mounted on a hull (10), and characterized in that: The shell (1) is slidably connected to a lifting blade (12), one end of the lifting blade (12) protrudes from the bottom of the shell (1), and the side of the shell (1) is rotatably connected to a driving rod (5). One end of the driving rod (5) located inside the shell (1) is fixedly connected to a crank (15), and the side of the crank (15) is fixedly connected to a rotating shaft (19). The rotating shaft (19) is rotatably connected to a driving block (14), and the driving block (14) is slidably mounted on the lifting blade (12). The lifting blade (12) is provided with a slide groove (13) adapted to the driving block (14), and the length of the slide groove (13) is not less than the length of the crank (15). The driving rod (5) is mounted at the tail of the hull (10). The hull (10) is also equipped with a height adjustment mechanism (7), one end of the height adjustment mechanism (7) is connected to the driving rod (5), and the height adjustment mechanism (7) is used to drive the driving rod (5) to rotate.

2. The stern plug for adjusting the inclination of a hull according to claim 1, characterized in that: The height adjustment mechanism (7) comprises a sliding seat (74) slidably connected to the hull (10); the hull (10) is provided with an arc-shaped sliding groove (79) adapted to the sliding seat (74); the sliding seat (74) is fixedly connected with an arc-shaped bevel gear (73); the driving rod (5) is mounted with a driven bevel gear (72); the arc-shaped bevel gear (73) and the driven bevel gear (72) are meshingly connected; the hull (10) is further mounted with a mounting seat (78); a second servo motor (76) is fixedly mounted on the mounting seat (78); an output shaft of the second servo motor (76) is fixedly connected with a second driving gear (77); a side surface of the sliding seat (74) is fixedly connected with a second arc-shaped rack (75); the second driving gear (77) and the second arc-shaped rack (75) are meshingly connected.

3. The stern plug for adjusting the inclination of a hull according to claim 1, characterized in that: A positioning mechanism (21) is also installed inside the housing (1), and the positioning mechanism (21) comprises a second angle sensor (212). The second angle sensor (212) is fixedly installed inside the housing (1) via a connecting piece (211), and an input end of the second angle sensor (212) is connected to a positioning gear (213). A spur rack (214) is fixedly connected to a side surface of the lifting blade (12), and the positioning gear (213) and the spur rack (214) are meshed.

4. The stern plug for adjusting the inclination of a hull according to claim 2, characterized in that: A sealing ball (3) is rotatably mounted on the hull (10), the axis of the sealing ball (3) coincides with the axis of rotation (19) of the sliding seat (74), the driving rod (5) is passed through a tube and rotatably mounted on the sealing ball (3), the outer shell (1) is mounted on the sealing ball (3) via a plurality of positioning rods (2), a first limiting nut (4) is threadedly connected to the driving rod (5), and a side surface of the first limiting nut (4) abuts against a side surface of the sealing ball (3) facing away from the outer shell (1); An angle adjustment mechanism (6) is also installed on the hull (10), one end of the angle adjustment mechanism (6) is connected to the driving rod (5), and the angle adjustment mechanism (6) is used to drive the driving rod (5) to swing.

5. The stern plug for adjusting the inclination of a hull according to claim 4, characterized in that: The angle adjustment mechanism (6) comprises a mounting head (64), the mounting head (64) being mounted on one end of the driving rod (5) by means of a fixing screw (68), a first arc-shaped rack (61) being fixedly connected to a side surface of the mounting head (64), the center of the rotation axis (19) of the first arc-shaped rack (61) being coincident with the center of the axis of the sealing ball (3), a fixing rod (66) being fixedly mounted on the hull (10), one end of the fixing rod (66) being fixedly connected to a guide sleeve (65), the first arc-shaped rack (61) being slidably connected to the guide sleeve (65), a first servo motor (63) being further mounted on the hull (10), the output shaft of the first servo motor (63) being fixedly connected to a first driving gear (62), the first driving gear (62) being meshingly connected to the first arc-shaped rack (61); The mounting head (64) comprises a plug (69), a slot (610) is formed at the end of the driving rod (5), the plug (69) is inserted into the slot (610), a rotating head (67) is rotatably mounted on the side of the plug (69), and the first arc-shaped rack (61) is fixedly connected to the side of the rotating head (67).

6. The stern plug for adjusting the inclination of a hull according to claim 5, characterized in that: The angle adjustment mechanism (6) further comprises a first angle sensor (11), wherein the first angle sensor (11) is mounted on the hull (10), and an input end of the first angle sensor (11) is connected to one end of the sealing ball (3).

7. The stern plug for adjusting the inclination of a hull according to claim 4, characterized in that: The driven bevel gear (72) is rotatably mounted on the driving rod (5). The height adjustment mechanism (7) further comprises a clutch assembly (71). The clutch assembly (71) is mounted on the driving rod (5). One end of the clutch assembly (71) can be connected to a side surface of the driven bevel gear (72). The clutch assembly (71) is used to control the connection relationship between the driven bevel gear (72) and the driving rod (5).

8. The stern plug for adjusting the inclination of a hull according to claim 7, characterized in that: The clutch assembly (71) comprises a friction cone ring (715) slidably mounted on a drive rod (5); a key groove (716) matching the friction cone ring (715) is provided on a side of the drive rod (5); a cone groove (717) is provided on a side of the driven bevel gear (72) close to the friction cone ring (715); the friction cone ring (715) and the cone groove (717) have matching conical surfaces; a compression spring (716) is connected to the side of the friction cone ring (715) facing away from the driven bevel gear (72). 14), one end of the compression spring (714) is connected to a push plate (713), the push plate (713) is slidably connected to the driving rod (5), a tension spring (712) is connected between the push plate (713) and the driving rod (5), a cylinder (711) is fixedly mounted on the driving rod (5), the movable end of the cylinder (711) is in contact with the side of the push plate (713), and initially, the friction cone ring (715) and the cone groove (717) are disconnected.

9. The stern plug for adjusting the inclination of a hull according to claim 4, characterized in that: A sealing nut (8) is threadedly connected to the driving rod (5), and a side surface of the sealing nut (8) contacts a side surface of the housing (1) via a sealing gasket.

10. A control system for a stern plug for adjusting the inclination of a hull according to any one of claims 1 to 9, characterized in that: It comprises a control box and a centralized control panel, wherein a stern board data processing system is arranged in the control box, and the control box and the centralized control panel are both mounted on the hull (10).

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