CN111924082A

CN111924082A - Ship shafting thrust transmission device

Info

Publication number: CN111924082A
Application number: CN202010837004.0A
Authority: CN
Inventors: 贾风光; 李方翠; 宋磊; 孙洪源; 于福临; 张欣宇
Original assignee: Shandong Jiaotong University
Current assignee: Shandong Jiaotong University
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2020-11-13
Anticipated expiration: 2040-08-19
Also published as: CN111924082B

Abstract

The invention discloses a ship shafting thrust transmission device, and particularly relates to the field of ship shafting thrust transmission devices, which comprises a fixed pedestal, wherein a first limiting block and a second limiting block are fixedly arranged in the fixed pedestal, the second limiting block is positioned on one side of the first limiting block, a first movable block and a second movable block are movably arranged between the first limiting block and the second limiting block, the second movable block is positioned on one side of the first movable block, a bearing seat is movably arranged between the first movable block and the second movable block, one side of the first limiting block, which is close to the first movable block, and one side of the second limiting block, which is close to the second movable block, are both provided with limiting grooves, buffer sheets are fixedly arranged in the limiting grooves, and pressure sensors are arranged on the inner sides of the buffer sheets. The invention can bear larger transmission thrust by arranging the first limiting block, the second limiting block, the first movable block and the second movable block, and has rapid and direct force transmission and stable structure.

Description

Ship shafting thrust transmission device

Technical Field

The invention relates to the field of ship shafting thrust transmission devices, in particular to a ship shafting thrust transmission device.

Background

The ship shafting is positioned between an output flange of a main engine and a propeller, the ship shafting is used for transmitting torque sent by a main engine to the propeller, and meanwhile, axial thrust generated by the propeller is transmitted to a ship body through a shafting thrust bearing to push the ship to move.

The existing ship shafting thrust transmission device still has the defects in the actual use process, when thrust is received, only a thrust bearing can be independently relied on, the bearable transmission thrust is small, force transmission is not fast and direct enough, the structure stability is poor, and the long-time use is not facilitated.

Disclosure of Invention

In order to overcome the above defects in the prior art, an embodiment of the present invention provides a marine shafting thrust transfer device, and the technical problems to be solved by the present invention are: how to bear larger transmission thrust makes the force transmission fast and direct.

In order to achieve the purpose, the invention provides the following technical scheme: a ship shafting thrust transmission device comprises a fixed pedestal, wherein a first limiting block and a second limiting block are fixedly arranged in the fixed pedestal, the second limiting block is positioned at one side of the first limiting block, a first movable block and a second movable block are movably arranged between the first limiting block and the second limiting block, the second movable block is positioned at one side of the first movable block, a bearing seat is movably arranged between the first movable block and the second movable block, one side of the first limiting block close to the first movable block and one side of the second limiting block close to the second movable block are both provided with a limiting groove, a buffer sheet is fixedly arranged in the limiting groove, a pressure sensor is arranged at the inner side of the buffer sheet, the pressure sensor is fixedly arranged in the second limiting block, one side of the first movable block close to the first limiting block and one side of the second movable block close to the second limiting block are both fixedly provided with a convex ring, a movable block has all been seted up with the relative side of No. two movable blocks and has been connected the spout, the inside fixed outer race that has run through of bearing frame, the inside rotation of outer race is equipped with the inner race, the inside oil storage chamber of having seted up of bearing frame, the inside oil leak passageway of having seted up of outer race, the one end and the oil storage chamber intercommunication setting of oil leak passageway, and the other end of oil leak passageway is opened and is located the outer race inboard, inner race both ends are all fixed and are equipped with the extension slider, and extend the slider and connect the inside setting that slides of spout along corresponding.

When in use, the fixed pedestal is fixedly arranged on a ship body, the main machine provides power for the propeller through a main machine flywheel, a thrust shaft and a connecting shaft, the propeller transmits effective thrust generated under the driving rotation of the main machine to the bearing seat through a shaft system, then transmits the effective thrust to the fixed pedestal through the thrust shaft and finally transmits the effective thrust to the ship body, thereby achieving the purpose of pushing the ship to move forwards or backwards, the thrust shaft can bear axial load while transmitting the torsional moment of the main machine to the propeller, the thrust shaft is fixedly connected with the inner bearing ring, two ends of the inner bearing ring are respectively connected with the first movable block and the second movable block through the extending slide blocks and the corresponding connecting chutes, and the first limiting block and the second limiting block play a role in blocking and limiting the first movable block and the second movable block in the axial direction, the buffer sheet can provide the buffering for the bulge ring that corresponds, and No. two stopper internal pressure sensor can pass to outside terminal with the thrust of No. two movable blocks.

In a preferred embodiment, a fixed ring is fixedly arranged on the inner wall of the first limiting block, and the fixed ring is fixedly arranged on two sides of the first limiting block and the second limiting block.

In a preferred embodiment, the fixing ring is internally provided with a filling cavity, and the filling cavity is internally filled with a sound insulation material.

In a preferred embodiment, a perforation is respectively arranged in the first limiting block and the second movable block, and the first perforation and the limiting groove are concentrically communicated.

In a preferred embodiment, No. two through holes are formed in the first movable block, the second through hole and the connecting sliding groove are concentrically communicated, and the second through hole and the first through hole are arranged on the same axis.

In a preferred embodiment, a thrust shaft is movably arranged inside the fixed pedestal, the thrust shaft penetrates through the first through hole, the second through hole and the inner bearing ring, and the thrust shaft is fixedly connected with the inner bearing ring.

In a preferred embodiment, one end of the thrust shaft is connected with a connecting shaft through a flange, the connecting shaft penetrates through the outside of the fixed pedestal, and a stuffing box is arranged at the joint of the connecting shaft and the fixed pedestal.

In a preferred embodiment, a main engine flywheel is fixedly arranged at one end of the thrust shaft, which is far away from the connecting shaft, and the main engine flywheel is movably arranged inside the fixed pedestal.

In a preferred embodiment, the bearing seat is provided with an oil inlet and a pressurizing channel at the top, the pressurizing channel is communicated with and arranged on one side of the oil inlet, the bottom end of the oil inlet is communicated with the oil storage cavity, the pressurizing channel is arranged in an inclined manner, and the pressurizing channel is connected with an external pressure pump.

The invention has the technical effects and advantages that:

1. the inner bearing ring is provided with a first limiting block, a second limiting block, a first movable block and a second movable block, so that larger transmission thrust can be borne, two ends of the inner bearing ring are respectively connected with the first movable block and the second movable block through the extending sliding blocks and the corresponding connecting sliding grooves, the first limiting block and the second limiting block play a role in blocking and limiting the first movable block and the second movable block in the axial direction, the buffer sheet can provide buffer for the corresponding protruding rings, and the thrust of the second movable block can be transmitted to an external terminal by the pressure sensor in the second limiting block;

2. the bearing seat is arranged, so that lubricating oil can be conveniently and automatically added, the lubricating oil is added into the oil storage cavity through the oil inlet, the pressure pump generates pressure to push the lubricating oil in the oil storage cavity to the inner wall of the outer bearing ring through the oil leakage channel, a lubricating effect can be achieved between the outer bearing ring and the inner bearing ring, and compared with the prior art, the service life of the outer bearing ring is effectively prolonged.

Drawings

Fig. 1 is an overall sectional structure diagram of the present invention.

Fig. 2 is a schematic structural diagram of a first limiting block of the present invention.

Fig. 3 is a schematic sectional view of a second limiting block of the present invention.

Fig. 4 is a schematic end view of the retaining ring of the present invention.

Fig. 5 is a schematic side view of the first movable block of the present invention.

Fig. 6 is a schematic structural view of another side of the first movable block of the present invention.

Fig. 7 is a schematic cross-sectional view of a bearing seat according to the present invention.

The reference signs are: the device comprises a fixed pedestal 1, a first limit block 2, a limit groove 21, a first perforation 22, a buffer sheet 23, a pressure sensor 24, a second limit block 3, a fixed ring 4, a filling cavity 41, a first movable block 5, a convex ring 51, a second perforation 52, a connecting chute 53, a second movable block 6, a bearing seat 7, an outer bearing ring 71, an inner bearing ring 72, an oil storage cavity 73, an oil inlet 74, a pressurizing channel 75, an oil leakage channel 76, an extending slide block 77, a thrust shaft 8, a connecting shaft 9, a packing box 10 and a main engine flywheel 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a ship shafting thrust transmission device, which comprises a fixed pedestal 1, wherein a first limiting block 2 and a second limiting block 3 are fixedly arranged in the fixed pedestal 1, the second limiting block 3 is positioned on one side of the first limiting block 2, a first movable block 5 and a second movable block 6 are movably arranged between the first limiting block 2 and the second limiting block 3, the second movable block 6 is positioned on one side of the first movable block 5, a bearing seat 7 is movably arranged between the first movable block 5 and the second movable block 6, one side of the first limiting block 2 close to the first movable block 5 and one side of the second limiting block 3 close to the second movable block 6 are both provided with a limiting groove 21, a buffer sheet 23 is fixedly arranged in the limiting groove 21, the inner side of the buffer sheet 23 is provided with a pressure sensor 24, the pressure sensor 24 is fixedly arranged in the second limiting block 3, one side of the first movable block 5 close to the first limiting block 2 and one side of the second movable block 6 close to the second limiting block 3 The equal fixed protrusion ring 51 that is equipped with in one side, No. 5 movable block and No. two relative sides of movable block 6 have all been seted up and have been connected spout 53, the inside fixed outer race 71 that runs through of bearing frame 7, the inside rotation of outer race 71 is equipped with interior race 72, the inside oil storage chamber 73 that has seted up of bearing frame 7, the inside oil leak passageway 76 of having seted up of outer race 71, the one end and the oil storage chamber 73 intercommunication setting of oil leak passageway 76, and the other end of oil leak passageway 76 is opened and is located outer race 71 inboard, interior race 72 both ends are all fixed and are equipped with extension slider 77, and extend slider 77 along corresponding the inside slip setting of connecting spout 53.

No. 2 inner walls of stopper are fixed and are equipped with solid fixed ring 4, and gu fixed ring 4 is fixed locates the both sides of No. 2 stoppers and No. two stoppers 3 of stopper.

The fixing ring 4 is provided with a filling cavity 41 inside, and the filling cavity 41 is filled with a sound insulation material.

No. one perforation 22 has all been seted up to stopper 2 and No. two movable block 6 insides, and the concentric intercommunication setting between perforation 22 and the spacing recess 21.

No. two perforation 52 have been seted up to the inside of movable block 5, the concentric intercommunication sets up between No. two perforation 52 and the connecting chute 53, and the same axis setting between No. two perforation 52 and the perforation 22.

The inside activity of pedestal 1 is equipped with thrust shaft 8, and thrust shaft 8 runs through in perforation 22, No. two perforation 52 and interior bearing circle 72 inside, fixed connection between thrust shaft 8 and the interior bearing circle 72.

The thrust shaft 8 one end has connecting axle 9 through flange joint, and connecting axle 9 runs through to stationary pedestal 1 outside, the junction of connecting axle 9 and stationary pedestal 1 is equipped with packing box 10.

And one end of the thrust shaft 8, which is far away from the connecting shaft 9, is fixedly provided with a host flywheel 11, and the host flywheel 11 is movably arranged inside the fixed pedestal 1.

As shown in fig. 1 to 7, the embodiment specifically is: the fixed pedestal 1 is fixedly arranged on a ship body, the main machine provides power for a propeller through a main machine flywheel 11, a thrust shaft 8 and a connecting shaft 9, the propeller transmits effective thrust generated under the driving rotation of the main machine to a bearing seat 7 through a shafting, then transmits the effective thrust to the fixed pedestal 1 through a first limit block 2, a second limit block 3, a first movable block 5 and a second movable block 6 and finally transmits the effective thrust to the ship body, thereby achieving the purpose of pushing the ship to advance or retreat, the thrust shaft 8 can bear axial load while transmitting the torsional moment of the main machine to the propeller, the thrust shaft 8 is fixedly connected with an inner bearing ring 72, two ends of the inner bearing ring 72 are respectively connected with the first movable block 5 and the second movable block 6 through an extension slide block 77 and a corresponding connecting chute 53, the first limit block 2 and the second limit block 3 play a role of blocking and limiting on the first movable block 5 and the second movable block 6 in the axial direction, buffer sheet 23 can provide the buffering for the bulge loop 51 that corresponds, and No. two stopper 3 internal pressure sensor 24 can pass to outside terminal with the thrust of No. two movable blocks 6, and the inside packing of filling chamber 41 has sound insulation material, and the effectual noise that weakens bearing frame 7 department passes outward, and whole biography power is direct fast, and stable in structure can bear bigger thrust.

An oil inlet 74 and a pressurizing channel 75 are formed in the top of the bearing seat 7, the pressurizing channel 75 is communicated with and arranged on one side of the oil inlet 74, the bottom end of the oil inlet 74 is communicated with the oil storage cavity 73, the pressurizing channel 75 is obliquely arranged, and the pressurizing channel 75 is connected with an external pressure pump.

As shown in fig. 7, the embodiment specifically includes: lubricating oil is added into the oil storage cavity 73 through the oil inlet 74, the top of the oil inlet 74 is provided with a sealing cover, the pressurizing channel 75 is connected with an external pressure pump, the pressure generated by the pressure pump pushes the lubricating oil in the oil storage cavity 73 to the inner wall of the outer bearing ring 71 through the oil leakage channel 76, the lubricating effect can be achieved between the outer bearing ring 71 and the inner bearing ring 72, and the service life of the outer bearing ring 71 is effectively prolonged.

The working principle of the invention is as follows:

referring to the attached drawings 1-7 of the specification, a fixed pedestal 1 is fixedly arranged on a ship body, a main machine provides power for a propeller through a main machine flywheel 11, a thrust shaft 8 and a connecting shaft 9, the propeller transmits effective thrust generated under the driving rotation of the main machine to a bearing seat 7 through a shaft system, then the effective thrust is transmitted to the fixed pedestal 1 through a first limit block 2, a second limit block 3, a first movable block 5 and a second movable block 6 and finally transmitted to the ship body, so that the purpose of pushing the ship to advance or retreat is achieved, the thrust shaft 8 can bear axial load when transmitting the torsional moment of the main machine to the propeller, the thrust shaft 8 is fixedly connected with an inner bearing ring 72, two ends of the inner bearing ring 72 are respectively connected with the first movable block 5 and the second movable block 6 through an extension slide block 77 and a corresponding connecting chute 53, the first limit block 2 and the second limit block 3 play a role of blocking and limiting on the first movable block 5 and the second movable block 6 in the axial direction, buffer sheet 23 can provide the buffering for the bulge loop 51 that corresponds, No. two stopper 3 internal pressure sensor 24 can pass No. two movable block 6's thrust to outside terminal, it has acoustic material to fill the inside packing of chamber 41, the effectual noise that weakens bearing frame 7 passes outward, through oil inlet 74 to the inside lubricating oil that adds of oil storage chamber 73, oil inlet 74 top sets up sealed lid, external pressure pump is connected to pressurization passageway 75, the pressure pump produces pressure and pushes the inside lubricating oil of oil storage chamber 73 to outer race 71 inner wall through oil leak passageway 76, can play lubricated effect between outer race 71 and inner race 72.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a boats and ships shafting thrust transmission device, includes stationary pedestal (1), its characterized in that: the fixed pedestal (1) is internally and fixedly provided with a first limiting block (2) and a second limiting block (3), the second limiting block (3) is positioned on one side of the first limiting block (2), a first movable block (5) and a second movable block (6) are movably arranged between the first limiting block (2) and the second limiting block (3), the second movable block (6) is positioned on one side of the first movable block (5), a bearing seat (7) is movably arranged between the first movable block (5) and the second movable block (6), one side of the first limiting block (2) close to the first movable block (5) and one side of the second limiting block (3) close to the second movable block (6) are both provided with a limiting groove (21), a buffer sheet (23) is fixedly arranged inside the limiting groove (21), a pressure sensor (24) is arranged on the inner side of the buffer sheet (23), and the pressure sensor (24) is fixedly arranged inside the second limiting block (3), one side of the first movable block (5) close to the first limit block (2) and one side of the second movable block (6) close to the second limit block (3) are both fixedly provided with a convex ring (51), the opposite side surfaces of the first movable block (5) and the second movable block (6) are both provided with connecting sliding grooves (53), an outer bearing ring (71) is fixedly penetrated in the bearing seat (7), an inner bearing ring (72) is rotatably arranged in the outer bearing ring (71), an oil storage cavity (73) is arranged in the bearing seat (7), an oil leakage channel (76) is arranged in the outer bearing ring (71), one end of the oil leakage channel (76) is communicated with the oil storage cavity (73), and the other end of the oil leakage channel (76) is opened and arranged at the inner side of the outer bearing ring (71), both ends of the inner bearing ring (72) are fixedly provided with extension sliding blocks (77), and the extension sliding block (77) is arranged along the corresponding connection sliding groove (53) in a sliding way.

2. The marine shafting thrust transfer device of claim 1, wherein: a stopper (2) inner wall is fixed and is equipped with solid fixed ring (4), and gu fixed ring (4) fix the both sides of locating stopper (2) and No. two stopper (3).

3. The marine shafting thrust transfer device of claim 2, wherein: the fixing ring (4) is internally provided with a filling cavity (41), and the filling cavity (41) is internally filled with a sound insulation material.

4. The marine shafting thrust transfer device of claim 1, wherein: a perforation (22) has all been seted up to stopper (2) and No. two movable block (6) inside, and the concentric intercommunication setting between perforation (22) and spacing recess (21).

5. The marine shafting thrust transfer device of claim 4, wherein: no. two perforation (52) have been seted up to a movable block (5) inside, No. two perforation (52) with connect the concentric intercommunication setting between spout (53), and No. two perforation (52) and a perforation (22) between same axis setting.

6. The marine shafting thrust transfer device of claim 5, wherein: fixed pedestal (1) inside activity is equipped with thrust shaft (8), and inside thrust shaft (8) run through in a perforation (22), No. two perforation (52) and interior race (72), fixed connection between thrust shaft (8) and interior race (72).

7. The marine shafting thrust transfer device of claim 1, wherein: thrust shaft (8) one end has connecting axle (9) through flange joint, and connecting axle (9) run through to stationary pedestal (1) outside, the junction of connecting axle (9) and stationary pedestal (1) is equipped with packing box (10).

8. The marine shafting thrust transfer device of claim 7, wherein: one end of the thrust shaft (8) far away from the connecting shaft (9) is fixedly provided with a main engine flywheel (11), and the main engine flywheel (11) is movably arranged inside the fixed pedestal (1).

9. The marine shafting thrust transfer device of claim 1, wherein: an oil inlet (74) and a pressurizing channel (75) are formed in the top of the bearing seat (7), the pressurizing channel (75) is communicated with and arranged on one side of the oil inlet (74), the bottom end of the oil inlet (74) is communicated with the oil storage cavity (73), the pressurizing channel (75) is obliquely arranged, and the pressurizing channel (75) is connected with an external pressure pump.