CN213566423U - Marine combined coupling - Google Patents
Marine combined coupling Download PDFInfo
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- CN213566423U CN213566423U CN202022459753.2U CN202022459753U CN213566423U CN 213566423 U CN213566423 U CN 213566423U CN 202022459753 U CN202022459753 U CN 202022459753U CN 213566423 U CN213566423 U CN 213566423U
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Abstract
The utility model provides a marine combination shaft coupling, including the stern axle flange, stern axle flange joint to ship stern axle, be provided with the one end of thrust shaft in the stern axle flange, the other end of thrust shaft passes through the shaft coupling flange and is connected with universal coupling, universal coupling is connected with the motor. The utility model has reasonable structure, convenient installation and reliable connection, and the universal coupling has larger compensation capacity and can absorb the ship manufacturing deviation and the motor installation error; the two thrust bearings are arranged on the thrust shaft in a face-to-face mode, can bear bidirectional axial force and have a thrust function; thrust generated by the propeller acts on the thrust bearing and is directly transmitted to the ship through the ship body connecting plate, so that the motor is prevented from being subjected to axial thrust, and a complex stern shaft structure is not needed; the maintenance is simple, the ship stern shaft does not need to be disassembled, and the maintenance can be directly carried out on the water; the left end of the thrust shaft is sleeved in through the stern shaft flange and connected through the screw, so that the stern shaft flange cannot generate axial displacement.
Description
Technical Field
The utility model belongs to the technical field of the driving system of new forms of energy boats and ships, in particular to marine combination shaft coupling.
Background
In the existing ship power system, the ship body is difficult to precisely machine and position, and is not stable enough on the water surface, so that the relative displacement between the output shaft of the main reducer and the stern shaft is easily caused. Therefore, the stern shaft and the main engine reducer are connected with the main engine by a coupler so as to provide effective buffering and shock absorption effects; elastic couplings in the form of diaphragm couplings or the like are widely used here. Although the diaphragm coupling is reliable in connection and does not need lubrication, the mounting alignment precision of the diaphragm coupling is difficult to detect under shipboard conditions, failure phenomena such as diaphragm breakage and the like are easy to occur due to poor mounting, and the coupling is difficult to mount and dismount.
In the power system of the new energy ship, the main engine adopts a motor instead of an engine, and the rotating speed and the torque of the main engine can be directly controlled by a driver, so that the function of a speed reducer can be omitted, and the main engine directly drives a stern shaft to drive a propeller; the following technical drawbacks exist: the motor can not directly bear the thrust that the screw produced, needs ship stern axle design thrust structure, leads to boats and ships shafting structure to complicate, is unfavorable for the maintenance work in later stage simultaneously.
How to design a marine combination shaft coupling, how to make marine combination shaft coupling possess the thrust function, the installation is simple simultaneously, the hookup is reliable, the transmission moment of torsion is big, becomes the problem that the solution is badly needed.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a marine combination shaft coupling for solve the power system that exists among the prior art at new forms of energy boats and ships, the thrust that the screw produced can not directly be born to the motor, needs ship stern axle design thrust structure, leads to boats and ships shafting structure to complicate, is unfavorable for the problem of later maintenance work simultaneously.
In order to achieve the purpose, the utility model provides a marine combination shaft coupling, including the stern shaft flange, stern shaft flange connect to ship stern shaft, be provided with the one end of thrust shaft in the stern shaft flange, the other end of thrust shaft passes through the shaft coupling flange and is connected with universal coupling, universal coupling is connected with the motor;
by adopting the technical scheme: the universal coupling has the advantages of convenience in installation, reliability in connection, high compensation capacity and capability of absorbing shipbuilding deviation and motor installation errors.
In an embodiment of the present invention, the middle outer ring of the thrust shaft is provided with a hull connecting plate.
In an embodiment of the utility model, the hull connecting plate be the shoulder shaft, the tip of shoulder shaft is provided with the bearing frame towards the coupling flange, the tip outer lane of shoulder shaft, the bearing frame is connected with the main aspects end face of shoulder shaft, is provided with the shoulder hole in the bearing frame.
In an embodiment of the present invention, a shaft shoulder is disposed at a position corresponding to the bearing seat on the thrust shaft, two thrust bearings are disposed between the bearing seat and the thrust shaft, the two thrust bearings are spaced and mounted face to face, wherein one end of the left thrust bearing is limited by the small end of the hull connecting plate, and the other end of the left thrust bearing is positioned by the left end face of the shaft shoulder of the thrust shaft; one end of the thrust bearing on the right side is positioned through the right end face of the shaft shoulder of the thrust shaft, and the other end of the thrust bearing on the right side is positioned through the step face of the stepped hole in the bearing seat;
by adopting the technical scheme: the two thrust bearings are arranged on the thrust shaft in a face-to-face mode, can bear bidirectional axial force and have a thrust function.
In an embodiment of the present invention, the end surface of the hull connecting plate at the large end is provided with two sets of through holes uniformly distributed around the circumference.
In an embodiment of the present invention, two sets of the through holes respectively correspond to the first through hole and the second through hole, wherein the first bolt is disposed in all the first through holes, and the first bolt is connected to the first screw hole on the end surface of the bearing seat;
by adopting the technical scheme: the other end of the bearing seat is installed through the ship connecting plate and is fixed by the first bolt, so that the two thrust bearings are firmly and reliably installed.
In an embodiment of the present invention, all the second through holes are located in the outer ring of the first through hole, all the second through holes are internally provided with shock pads, and the hull connecting plate and the shock pads are connected to the fixing plate of the hull through the second bolts.
In an embodiment of the present invention, the inner wall of the stern shaft flange is provided with a plurality of first key grooves, the outer ring of one end of the thrust shaft is provided with a plurality of second key grooves, and all the second key grooves are connected with the corresponding first key grooves through flat keys.
In an embodiment of the present invention, a second screw hole is disposed at the center of an end face of the thrust shaft.
In an embodiment of the present invention, the center of the end surface of the stern shaft flange away from the thrust shaft is provided with a countersunk hole, a screw is arranged in the countersunk hole, and the screw is connected with the second screw hole;
by adopting the technical scheme: the left end of the thrust shaft is sleeved in through the stern shaft flange and connected through the screw, so that the stern shaft flange cannot generate axial displacement.
As described above, the utility model provides a marine combination shaft coupling, rational in infrastructure, simple to operate, the hookup is reliable, and universal coupling has great compensation ability, can absorb shipbuilding deviation and motor installation error; the two thrust bearings are arranged on the thrust shaft in a face-to-face mode, can bear bidirectional axial force and have a thrust function; thrust generated by the propeller acts on the thrust bearing and is directly transmitted to the ship through the ship body connecting plate, so that the motor is prevented from being subjected to axial thrust, and a complex stern shaft structure is not needed; the maintenance is simple, the ship stern shaft does not need to be disassembled, and the maintenance can be directly carried out on the water; the other end of the bearing seat is installed through a hull connecting plate and is fixed by a first bolt, so that the two thrust bearings are firmly and reliably installed; the left end of the thrust shaft is sleeved in through the stern shaft flange and connected through the screw, so that the stern shaft flange cannot generate axial displacement, and the screw propeller has good economic and social benefits when being popularized and applied.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a stern shaft flange; 2. a shock pad; 3. a hull connection plate; 4. a bearing seat; 5. a coupling flange; 6. a flat bond; 7. a thrust shaft; 8. a thrust bearing; 9. a screw; 10. a universal joint.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1, the utility model provides a marine combination coupling, including stern shaft flange 1, stern shaft flange 1 be connected to ship stern shaft, be provided with the one end of thrust shaft 7 in the stern shaft flange 1, the other end of thrust shaft 7 is connected with universal coupling 10 through coupling flange 5, universal coupling 10 is connected with the motor; by adopting the technical scheme: the universal coupling has larger compensation capacity and can absorb the ship manufacturing deviation and the motor installation error;
a hull connecting plate 3 is arranged on the outer ring in the middle of the thrust shaft 7;
the ship body connecting plate 3 is a stepped shaft, the small end of the stepped shaft faces the coupler flange 5, a bearing seat 4 is arranged on the outer ring of the small end of the stepped shaft, the bearing seat 4 is connected with the end face of the large end of the stepped shaft, and a stepped hole is formed in the bearing seat 4;
a shaft shoulder is arranged at the position, corresponding to the bearing seat 4, of the thrust shaft 7, two thrust bearings 8 which are arranged at intervals and are installed face to face are arranged between the bearing seat 4 and the thrust shaft 7, wherein one end of the left thrust bearing 8 is limited through the small end of the hull connecting plate 3, and the other end of the left thrust bearing 8 is positioned through the left end face of the shaft shoulder of the thrust shaft 7; one end of the thrust bearing 8 on the right side is positioned through the right end face of the shaft shoulder of the thrust shaft 7, and the other end of the thrust bearing 8 on the right side is positioned through the step face of the stepped hole in the bearing block 4; by adopting the technical scheme: the two thrust bearings are arranged on the thrust shaft in a face-to-face mode, can bear bidirectional axial force and have a thrust function; thrust generated by the propeller acts on the thrust bearing and is directly transmitted to the ship through the ship body connecting plate, so that the motor is prevented from being subjected to axial thrust, and a complex stern shaft structure is not needed; the maintenance is simple, the ship stern shaft does not need to be disassembled, and the maintenance can be directly carried out on the water;
two groups of through holes uniformly distributed around the circumference are arranged on the large end surface of the ship body connecting plate 3;
the two groups of through holes respectively correspond to the first through holes and the second through holes, wherein first bolts are arranged in all the first through holes and are connected with first screw holes in the end face of the bearing block 4; by adopting the technical scheme: the other end of the bearing seat is installed through a hull connecting plate and is fixed by a first bolt, so that the two thrust bearings are firmly and reliably installed;
all the second through holes are positioned on the outer ring of the first through hole, all the second through holes are internally provided with shock pads 2, and the ship body connecting plate 3 and the shock pads 2 are connected with a fixed plate of the ship body through second bolts;
a plurality of first key grooves are formed in the inner wall of the stern shaft flange 1, a plurality of second key grooves are formed in the outer ring of one end of the thrust shaft 7, and all the second key grooves are connected with the corresponding first key grooves through flat keys 6;
a second screw hole is formed in the center of the end face of one end of the thrust shaft 7;
a countersunk hole is formed in the center of the end face, away from the thrust shaft 7, of the stern shaft flange 1, a screw 9 is arranged in the countersunk hole, and the screw 9 is connected with a second screw hole; by adopting the technical scheme: the left end of the thrust shaft is sleeved in through the stern shaft flange and connected through the screw, so that the stern shaft flange cannot generate axial displacement.
During the concrete implementation, only need lay a fixed plate at the hull, install hull connecting plate 3 to the fixed plate, stern axle flange 1 is connected to the ship stern axle simultaneously, universal coupling 10 be connected to the motor can, simple to operate, hookup are reliable, universal coupling 10's structure has great compensatory ability, can absorb boats and ships manufacturing deviation and motor installation error.
In summary, the utility model provides a marine combination shaft coupling, reasonable in structure, convenient to install, reliable in connection, universal coupling has great compensation ability, can absorb the shipbuilding deviation and motor installation error; the two thrust bearings are arranged on the thrust shaft in a face-to-face mode, can bear bidirectional axial force and have a thrust function; thrust generated by the propeller acts on the thrust bearing and is directly transmitted to the ship through the ship body connecting plate, so that the motor is prevented from being subjected to axial thrust, and a complex stern shaft structure is not needed; the maintenance is simple, the ship stern shaft does not need to be disassembled, and the maintenance can be directly carried out on the water; the other end of the bearing seat is installed through a hull connecting plate and is fixed by a first bolt, so that the two thrust bearings are firmly and reliably installed; the left end of the thrust shaft is sleeved in through the stern shaft flange and connected through the screw, so that the stern shaft flange cannot generate axial displacement. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a marine combination shaft coupling, includes stern shaft flange (1), its characterized in that: the stern shaft flange (1) is connected to a stern shaft of a ship, one end of a thrust shaft (7) is arranged in the stern shaft flange (1), the other end of the thrust shaft (7) is connected with a universal coupling (10) through a coupling flange (5), and the universal coupling (10) is connected with a motor.
2. The marine combination coupling of claim 1, wherein: the outer ring of the middle part of the thrust shaft (7) is provided with a hull connecting plate (3).
3. A marine combination coupling according to claim 2, wherein: the ship body connecting plate (3) is a stepped shaft, the small end of the stepped shaft faces the coupler flange (5), a bearing seat (4) is arranged on the outer ring of the small end of the stepped shaft, the bearing seat (4) is connected with the end face of the large end of the stepped shaft, and a stepped hole is formed in the bearing seat (4).
4. A marine combination coupling according to claim 3, wherein: a shaft shoulder is arranged at the position, corresponding to the bearing seat (4), of the thrust shaft (7), two thrust bearings (8) which are arranged at intervals and are installed face to face are arranged between the bearing seat (4) and the thrust shaft (7), wherein one end of the left thrust bearing (8) is limited through the small end of the hull connecting plate (3), and the other end of the left thrust bearing (8) is positioned through the left end face of the shaft shoulder of the thrust shaft (7); one end of the thrust bearing (8) on the right side is positioned through the right end face of the shaft shoulder of the thrust shaft (7), and the other end of the thrust bearing (8) on the right side is positioned through the step face of the stepped hole in the bearing seat (4).
5. A marine combination coupling according to claim 3, wherein: the end face of the large end of the ship body connecting plate (3) is provided with two groups of through holes which are uniformly distributed around the circumference.
6. A marine combination coupling according to claim 5, wherein: the two groups of through holes respectively correspond to the first through holes and the second through holes, wherein first bolts are arranged in all the first through holes and are connected with first screw holes in the end face of the bearing seat (4).
7. The marine combination coupling of claim 6, wherein: all the second through holes are located on the outer ring of the first through hole, all the second through holes are internally provided with shock pads (2), and the ship body connecting plate (3) and the shock pads (2) are connected with a fixed plate of the ship body through second bolts.
8. The marine combination coupling of claim 1, wherein: the inner wall of the stern shaft flange (1) is provided with a plurality of first key grooves, the outer ring of one end of the thrust shaft (7) is provided with a plurality of second key grooves, and all the second key grooves are connected with the corresponding first key grooves through flat keys (6).
9. The marine combination coupling of claim 8, wherein: and a second screw hole is formed in the center of the end face of one end of the thrust shaft (7).
10. A marine combination coupling according to claim 9, wherein: the center of the end face, far away from the thrust shaft (7), of the stern shaft flange (1) is provided with a countersunk hole, a screw (9) is arranged in the countersunk hole, and the screw (9) is connected with the second screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022459753.2U CN213566423U (en) | 2020-10-29 | 2020-10-29 | Marine combined coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022459753.2U CN213566423U (en) | 2020-10-29 | 2020-10-29 | Marine combined coupling |
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| Publication Number | Publication Date |
|---|---|
| CN213566423U true CN213566423U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022459753.2U Active CN213566423U (en) | 2020-10-29 | 2020-10-29 | Marine combined coupling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076222A (en) * | 2022-06-29 | 2022-09-20 | 中国舰船研究设计中心 | Thrust and support function decoupling thrust bearing longitudinal vibration damper |
-
2020
- 2020-10-29 CN CN202022459753.2U patent/CN213566423U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076222A (en) * | 2022-06-29 | 2022-09-20 | 中国舰船研究设计中心 | Thrust and support function decoupling thrust bearing longitudinal vibration damper |
| CN115076222B (en) * | 2022-06-29 | 2024-04-12 | 中国舰船研究设计中心 | Thrust bearing longitudinal vibration damper with decoupling thrust and supporting function |
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