CN212738476U

CN212738476U - Stern device of ship body

Info

Publication number: CN212738476U
Application number: CN202021787048.9U
Authority: CN
Inventors: 孙通; 高明强; 汪叶霞
Original assignee: Pinghu Huahai Shipbuilding Co ltd
Current assignee: Pinghu Huahai Shipbuilding Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-19
Anticipated expiration: 2030-08-24

Abstract

The utility model relates to a stern portion device of hull, including the water jet pump of locating the hull rear, locate the hull and be located water jet pump rear department and change the steering vane that the horizontal angle that water jet pump sprays rivers turned to in order to adjust the hull, rotate the baffle of backing a car that connects at the hull rear portion and rotation axis and be on a parallel with the hull width, the baffle of backing a car is including rotating the pivot otic placode of connecting in the hull, fixed connection keeps away from the roof of hull one end in the pivot otic placode, fixed connection is in the arc plate that the roof deviates from the side of pivot otic placode, interval between the horizontal both ends of arc plate and the steering vane is less than the central point of arc plate and the interval between the steering vane, the arc plate that this application has horizontal bending can pass through the guide effect of arc plate horizontal radian with the rivers that spray to the arc plate, fully make most rivers all can change.

Description

Stern device of ship body

Technical Field

The utility model belongs to the technical field of water spray formula hull diversion part and specifically relates to a stern device of hull is related to.

Background

Unlike the conventional propeller propulsion, the thrust of water jet propulsion is obtained by the reaction force of water flow sprayed from a propulsion water pump, and the steering of the ship is realized by controlling the rudder and reversing equipment to distribute and change the direction of jet flow.

When present general water spray formula hull retreats, through rotating the baffle of backing a car for the rivers injection of water jet pump spun to the baffle surface of backing a car, the baffle surface of backing a car changes rivers injection direction, makes jet stream finally can provide power for driving the hull to retreat.

In view of the above-mentioned related art, the inventor believes that there is a defect that when water is sprayed to the surface of the reversing baffle, part of the water easily flows out from the two horizontal ends of the reversing baffle, so that when the water is sprayed to the surface of the reversing baffle, part of the water cannot sufficiently provide power for the backward movement of the ship body.

SUMMERY OF THE UTILITY MODEL

In order to enable water flow to be sprayed to the surface of the reversing baffle to provide power for backward movement of the ship body, the application provides a stern device of the ship body.

The application provides a stern device of hull adopts following technical scheme:

the utility model provides a stern portion device of hull, is located the jet pump of jet pump rear department and changes the horizontal angle that jet pump sprays rivers and turn to the rudder, rotate the baffle of backing a car that connects in hull rear portion and rotation axis be on a parallel with hull width direction in order to adjust the hull to turn to including locating the jet pump at hull rear, locating the hull, the baffle of backing a car is including rotating the pivot otic placode of connecting in the hull, fixed connection in the roof of pivot otic placode keeping away from hull one end, the arc board of fixed connection in the side that the roof deviates from the pivot otic placode, and the interval between arc board horizontal both ends and the steering rudder is less than the central point of arc board and the interval between the steering.

Through adopting above-mentioned technical scheme, when the water jet pump sprays rivers to circular arc board surface for rivers carry out the change of direction along the horizontal radian of circular arc board, make can be comparatively abundant when rivers flow from the horizontal direction both ends of circular arc board provide power for the hull retreats.

Preferably, the two arc plates are arranged along the length direction of the top plate, and the ends, close to the horizontal direction, of the two arc plates are fixedly connected.

Through adopting above-mentioned technical scheme for rivers jet can directly turn to along the curved surface of the junction of two circular arc boards when to between two circular arc boards, when avoiding rivers to jet the middle part position department of a monoblock circular arc board, cause great impact force to the circular arc board easily, also help reducing the kinetic energy loss of the rivers that jet simultaneously.

Preferably, the bottom surfaces of the two arc plates are fixedly connected with a bottom plate parallel to the top plate.

Through adopting above-mentioned technical scheme for rivers can receive blockking of bottom plate when the slope inner wall of circular arc board moves down, make the rivers that spray can drive the hull more fully and retreat then.

Preferably, the two opposite side surfaces of the rotating shaft lug plate are fixedly connected with reinforcing toggle plates, and the reinforcing toggle plates are fixedly connected to the top plate.

Through adopting above-mentioned technical scheme for joint strength between pivot otic placode and the roof is more heightened, makes and drives circular arc board pivoted process and retreats the circular arc board at the hull and bears when jet stream strikes, is difficult for producing deformation between pivot otic placode and the roof more.

Preferably, the arc plates deviate from the horizontal reinforcing rib of the side fixedly connected with of the steering rudder, the two ends of the horizontal reinforcing rib are respectively connected to the two horizontal ends of the arc plates, the two arc plates deviate from the vertical reinforcing rib of the side fixedly connected with of the steering rudder, and the two ends of the vertical reinforcing rib are respectively connected to the vertical two ends of the arc plates.

Through adopting above-mentioned technical scheme for the arc plate possesses the anti deformability who more strengthens when bearing the impact of jet stream, also can satisfy under the prerequisite of bulk strength simultaneously, makes the thickness attenuation of arc plate, and whole weight becomes light.

Preferably, a stay bar is fixedly connected between the top plate and the bottom plate, and one end of the stay bar, which is close to the top plate, is fixedly connected to the rotating shaft ear plate.

By adopting the technical scheme, the deformation resistance of the bottom plate and the top plate is enhanced.

Preferably, the side of the arc plate, which is away from the rudder, is fixedly connected with a connecting toggle plate parallel to the top plate, and the connecting toggle plate is fixedly connected to the joint of the two arc plates.

Through adopting above-mentioned technical scheme for the intensity of two circular arc board junctions obtains the reinforcing, makes the junction of two circular arc boards difficult for appearing deformation under the direct impact of water spray rivers.

Preferably, the connecting part of the vertical reinforcing rib and the horizontal reinforcing rib is fixedly connected with a top pull lug plate.

Through adopting above-mentioned technical scheme for the top draws otic placode can be when carrying out the change of whole baffle of backing a car, and the insertion of the lifting hook of being convenient for or the wiring of rope are so that remove the change to the baffle of backing a car.

In summary, the present application includes at least one of the following benefits:

when the water jet pump jets water flow to the surface of the arc plate, the direction of the water flow is changed along the horizontal radian of the arc plate, so that the water flow can fully provide power for the backward movement of the ship body when flowing out of the two ends of the arc plate in the horizontal direction;

the top pull lug plate can be used for facilitating the insertion of a lifting hook or the binding of a rope when the whole reversing baffle is replaced, so that the reversing baffle can be moved and replaced.

Drawings

FIG. 1 is a main structure view of the present invention;

FIG. 2 is a schematic view of the reverse barrier in a configuration facing the side of the rudder;

fig. 3 is a schematic view of the reverse blocking element shown in fig. 2 from another perspective.

Description of reference numerals: 1. a water jet pump; 2. a steering rudder; 21. a stay bar; 3. a reversing baffle; 31. a rotating shaft ear plate; 32. a top plate; 33. a circular arc plate; 34. a base plate; 35. a reinforcing toggle plate; 36. horizontal reinforcing ribs; 37. a vertical reinforcing rib; 38. connecting a toggle plate; 39. and (5) pulling the ear plate.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses stern device of hull, refer to fig. 1, including installing in the water jet pump 1 of hull rear department, water jet pump 1 provides power for the removal of hull, the hull afterbody is rotated and is connected with the rudder 2 that turns to that is located the 1 rivers of water jet pump and sprays the exit, 2 rotation axis of rudder are vertical, turn to rudder 2 and be used for driving the hull and turn to when removing, turn to rudder 2 and deviate from water jet pump 1 one side and rotate and be connected with backing baffle 3, backing baffle 3's direction of rotation is on a parallel with hull width direction, backing baffle 3 is used for controlling advancing and retreating of hull, backing baffle 3 and rudder 2 all can drive through motor cooperation gear.

Referring to fig. 1 and 2, the reversing baffle 3 includes two rotating shaft ear plates 31 rotatably connected to the hull, a top plate 32 is fixedly connected to one ends of the two rotating shaft ear plates 31, which are far away from the hull, the length direction of the top plate 32 is parallel to the width direction of the hull, the connecting side surfaces of the top plate 32 and the rotating shaft ear plates 31 are perpendicular to the length direction of the rotating shaft ear plates 31, reinforcing elbow plates 35 are fixedly connected to both opposite side surfaces of the rotating shaft ear plates 31, the reinforcing elbow plates 35 are fixedly connected to the top plate 32, arc plates 33 are fixedly connected to the side surfaces of the top plate 32, which are far away from the reinforcing elbow plates 35, the arc plates 33 are arranged in two numbers along the length direction of the top plate 32, the adjacent ends of the two arc plates 33 are fixedly connected, the distance between the two ends of the arc plates 33 in the horizontal direction and the steering rudder 2 is smaller than the, come to retreat for the hull and provide power, the one end fixedly connected with that two circular arc boards 33 deviate from roof 32 is on a parallel with bottom plate 34 of roof 32, combine as shown in fig. 3, the side fixedly connected with three connection brackets 38 that set up along circular arc board 33 length direction of two circular arc boards 33 deviate from rudder 2, connect bracket 38 and be on a parallel with roof 32, connect bracket 38 fixed connection in two circular arc board 33 junctions, fixedly connected with two vaulting poles 21 between bottom plate 34 and roof 32, two vaulting poles 21 set up corresponding to the central point of two circular arc boards 33 respectively, vaulting pole 21 fixed connection is to the pivot otic placode 31 and keeps away from the one end department of roof 32.

Referring to fig. 2 and 3, the same both ends of the side fixedly connected with that two arc plates 33 deviate from the rudder 2 are respectively close to the horizontal reinforcing rib 36 at the horizontal both ends of the back of the body of two arc plates 33, the equal fixedly connected with vertical reinforcing rib 37 of self length direction is all followed to two arc plates 33, each vertical reinforcing rib 37 is all in the central point department of corresponding arc plate 33, vertical reinforcing rib 37 perpendicular to horizontal reinforcing rib 36, vertical reinforcing rib 37 both ends are connected to the side department that pivot otic placode 31 and bottom plate 34 deviate from roof 32 respectively, the equal fixedly connected with top of junction of two vertical reinforcing ribs 37 and a horizontal reinforcing rib 36 draws otic placode 39.

The implementation principle of the stern device of the ship body in the embodiment of the application is as follows: when the hull will retreat, drive the pivot otic placode through the motor and rotate for two circular arc boards 33 rotate in step, make the rivers impact to the junction of two circular arc boards 33 that water jet pump 1 erupted then, make jet stream turn to along the crooked cambered surface of two circular arc boards 33, retreat with the drive hull.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stern device of hull, is located spray pump (1) rear department and changes rudder (2) that the horizontal angle that spray pump (1) jetted water turned to with the adjustment hull, rotates and connects in hull rear portion and axis of rotation and be on a parallel with the baffle (3) of backing a car of hull width direction including locating spray pump (1) at hull rear, locating the hull, its characterized in that: the reversing baffle (3) comprises a rotating shaft lug plate (31) which is rotatably connected to the ship body, a top plate (32) which is fixedly connected to the rotating shaft lug plate (31) and is far away from one end of the ship body, and an arc plate (33) which is fixedly connected to the side face of the top plate (32) far away from the rotating shaft lug plate (31), wherein the horizontal two ends of the arc plate (33) and the distance between the steering rudders (2) are smaller than the central point of the arc plate (33) and the distance between the steering rudders (2).

2. A stern arrangement of a ship hull according to claim 1, wherein: two arc plates (33) are arranged along the length direction of the top plate (32), and the ends of the two arc plates (33) close to the horizontal direction are fixedly connected.

3. A stern arrangement of a ship hull according to claim 2, wherein: the bottom surfaces of the two arc plates (33) are fixedly connected with a bottom plate (34) parallel to the top plate (32).

4. A stern arrangement of a ship hull according to claim 3, wherein: the two opposite side surfaces of the rotating shaft lug plate (31) are fixedly connected with reinforced toggle plates (35), and the reinforced toggle plates (35) are fixedly connected to the top plate (32).

5. The stern arrangement of a ship hull according to claim 4, wherein: the side fixedly connected with horizontal strengthening rib (36) that arc plate (33) deviates from rudder (2), horizontal strengthening rib (36) both ends are connected to the horizontal both ends that two arc plates (33) deviate from mutually respectively, and two arc plates (33) deviate from the equal fixedly connected with vertical strengthening rib (37) in side of rudder (2), and vertical strengthening rib (37) both ends are connected to the vertical both ends of arc plate (33) respectively.

6. The stern arrangement of a ship hull according to claim 5, wherein: and a support rod (21) is fixedly connected between the top plate (32) and the bottom plate (34), and one end of the support rod (21) close to the top plate (32) is fixedly connected to the rotating shaft ear plate (31).

7. The stern arrangement of a ship hull according to claim 6, wherein: the side surface of the circular arc plate (33) departing from the steering rudder (2) is fixedly connected with a connecting toggle plate (38) parallel to the top plate (32), and the connecting toggle plate (38) is fixedly connected to the joint of the two circular arc plates (33).

8. The stern arrangement of a ship hull according to claim 7, wherein: and the joint of the vertical reinforcing rib (37) and the horizontal reinforcing rib (36) is fixedly connected with a top pull lug plate (39).