CN210852866U

CN210852866U - Intermediate shaft for ship transmission system

Info

Publication number: CN210852866U
Application number: CN201921760110.2U
Authority: CN
Inventors: 邵敏刚
Original assignee: Jiangsu Sunshine Forging Co ltd
Current assignee: Jiangsu Sunshine Forging Co ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-06-26
Anticipated expiration: 2029-10-19

Abstract

The utility model relates to the technical field of intermediate shafts, in particular to an intermediate shaft for a ship transmission system, which comprises an intermediate shaft body, wherein a positioning ring protrudes outwards from the middle part of the intermediate shaft body, a supporting ring is sleeved outside the positioning ring, and at least three roller seats are uniformly distributed on the inner ring wall of the supporting ring along the circumference of the inner ring wall; the utility model discloses all rotate on the running roller seat and be provided with a running roller, the utility model discloses utilize to set up adjustable running roller outside the jackshaft body, improve jackshaft pivoted stability, the effectual jackshaft that has prevented produces radial run-out, and then improve the life of bearing on gear box and the propeller shaft, the maintenance cycle of extension bearing, and after the running roller wearing and tearing, the accessible is rotated the regulation pole and is oppressed the running roller seat, make the running roller seat and the running roller thereon can draw close to the jackshaft body, support the running roller firmly on the outer peripheral face of holding ring, thereby make the running roller can last stable radial spacing to the jackshaft body formation for a long time.

Description

Intermediate shaft for ship transmission system

Technical Field

The utility model belongs to the technical field of the jackshaft technique and specifically relates to a jackshaft for boats and ships transmission system.

Background

The transmission system of the ship mainly comprises components such as a ship host, a gear box, an intermediate shaft, a propeller and the like, and the principle is that the ship host (a steam engine, an internal combustion engine and a motor) sends out torque to be transmitted to the gear box, after the gear box adjusts the rotating speed, the torque is transmitted to the propeller shaft through the intermediate shaft, and then the propeller shaft body is driven to rotate, so that forward thrust is generated by the propeller on the propeller shaft, specifically, one end of the intermediate shaft is fixedly connected with the propeller shaft through a flange, and the other end of the intermediate shaft is in transmission connection with the gear box through the flange, however, as the intermediate shaft has a certain length and runs for a long time, radial runout easily occurs, the radial load born by a bearing on the gear box and a bearing on the propeller shaft is increased, the gear box and the, need frequent change, waste time and energy, and jackshaft self also can produce serious deformation gradually, influences its normal transmission.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problem that the intermediate shaft in the ship transmission system in the prior art is easy to generate radial run-out, so that the gear box connected with the intermediate shaft and a bearing on a propeller shaft are easy to damage, the intermediate shaft for the ship transmission system is provided.

The utility model provides a technical scheme that its technical problem adopted is: an intermediate shaft for a ship transmission system comprises an intermediate shaft body, wherein a positioning ring protrudes outwards from the middle part of the intermediate shaft body, a supporting ring is sleeved outside the positioning ring, a mounting seat is fixed on the outer ring wall of the supporting ring, and at least three roller seats are uniformly distributed on the inner ring wall of the supporting ring along the circumference of the inner ring wall;

all rotate on the running roller seat and be provided with a running roller, all be fixed with the guide bar on the running roller seat, the equal slidable mounting of guide bar is on the support ring, threaded connection has a plurality of regulation poles on the support ring, the quantity of adjusting the pole is unanimous with the quantity of running roller seat, and the one-to-one, the inner tip butt of adjusting the pole is on the lateral surface rather than the running roller seat that corresponds, and the axis of guide bar and the axis of adjusting the pole are parallel to each other on the same running roller seat set up, the outer peripheral face of running roller all contacts with the outer peripheral face of holding ring on the support ring.

Utilize in this scheme at this external adjustable running roller that sets up of jackshaft, thereby make the running roller on the support ring form diversified support to the middle part of jackshaft body, improve jackshaft pivoted stability, the effectual jackshaft that has prevented produces radial run-out, and then improve the life of bearing on gear box and the propeller shaft, the maintenance cycle of extension bearing, and after the running roller wearing and tearing, the accessible rotates the regulation pole oppression running roller seat, make the running roller seat and the running roller on it can draw close to the jackshaft body, support the running roller firmly on the outer peripheral face of holding ring, thereby make the running roller can last stable to form radial spacing to the jackshaft body for a long time.

Furthermore, the roller is axially fixed on the roller seat, an annular groove matched with the positioning ring is formed in the peripheral surface of the roller, and the positioning ring is embedded into the annular groove of the roller; the cooperation of the locating ring on the ring channel and the jackshaft body on the running roller is utilized, can make running roller axial positioning on the jackshaft body to can prevent to a certain extent that the jackshaft body from producing the axial float.

Furthermore, the roller seat is provided with a left connecting wing and a right connecting wing, the left end of the roller extends leftwards to form a left shaft part, and the right end of the roller extends rightwards to form a right shaft part;

the left shaft part is rotatably connected with the left connecting wing and penetrates through the left connecting wing, a left end cover is in threaded connection with the left end of the left shaft part, and the left end cover is positioned on the left side of the left connecting wing;

the right shaft part is rotatably connected with the right connecting wing and penetrates through the right connecting wing, a right end cover is in threaded connection with the right end of the right shaft part, and the right end cover is positioned on the right side of the right connecting wing;

the left end cover is limited on the left side of the left connecting wing, and the right end cover is limited on the right side of the right connecting wing, so that the roller is axially positioned on the roller seat.

Furthermore, a left bearing is arranged between the left connecting wing and the left shaft part, and a right bearing is arranged between the right connecting wing and the right shaft part.

The utility model has the advantages that: the utility model discloses its utilization of jackshaft for boats and ships transmission system sets up adjustable running roller outside the jackshaft body, thereby make the running roller on the support ring form diversified support to the middle part of jackshaft body, improve jackshaft pivoted stability, the effectual jackshaft that has prevented produces the run-out, and then improve the life of bearing on gear box and the propeller shaft, the maintenance cycle of extension bearing, and after the running roller wearing and tearing, the accessible rotates the regulation pole oppression running roller seat, make the running roller seat and the running roller on it draw close to the jackshaft body, support the running roller firmly on the outer peripheral face of holding ring, thereby make the running roller can last stable to form radial spacing to the jackshaft body for a long time.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of an intermediate shaft for a marine transmission system of the present invention;

FIG. 2 is an enlarged partial schematic view of A of FIG. 1;

fig. 3 is a schematic cross-sectional view of the intermediate shaft for the ship transmission system at the roller.

In the figure: 1. the middle shaft comprises a middle shaft body, 1-1 parts of a positioning ring, 2 parts of a supporting ring, 3 parts of a mounting seat, 4 parts of a roller seat, 4-1 parts of a left connecting wing, 4-2 parts of a right connecting wing, 5 parts of a roller, 5-1 parts of a left shaft part, 5-2 parts of a right shaft part, 5-3 parts of an annular groove, 6 parts of an adjusting rod, 7 parts of a guide rod, 8 parts of a left end cover, 9 parts of a right end cover, 10 parts of a left bearing, 11 parts of a right bearing.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example 1

As shown in fig. 1, an intermediate shaft for a ship transmission system comprises an intermediate shaft body 1, a positioning ring 1-1 protrudes outwards from the middle part of the intermediate shaft body 1, a support ring 2 is sleeved outside the positioning ring 1-1, a mounting seat 3 is fixed on the outer ring wall of the support ring 2, and at least three roller seats 4 are uniformly distributed on the inner ring wall of the support ring 2 along the circumference thereof;

all rotate on the running roller seat 4 and be provided with a running roller 5, all be fixed with guide bar 7 on the running roller seat 4, the equal slidable mounting of guide bar 7 is on support ring 2, threaded connection has a plurality of regulation poles 6 on the support ring 2, the quantity of adjusting pole 6 is unanimous with the quantity of running roller seat 4, and the one-to-one, adjust the inner tip butt of pole 6 on the lateral surface of running roller seat 4 rather than corresponding, the axis of guide bar 7 and the axis of adjusting pole 6 are parallel to each other setting on same running roller seat 4, the outer peripheral face of running roller 5 all contacts with the outer peripheral face of holding ring 1-1 on the support ring 2.

The roller 5 is axially fixed on the roller seat 4, an annular groove 5-3 matched with the positioning ring 1-1 is formed in the peripheral surface of the roller 5, and the positioning ring 1-1 is embedded into the annular groove 5-3 of the roller 5; the cooperation of the annular groove 5-3 on the roller 5 and the positioning ring 1-1 on the intermediate shaft body 1 can ensure that the roller 5 is axially positioned on the intermediate shaft body 1, thereby preventing the intermediate shaft body 1 from axially moving to a certain extent.

The roller seat 4 is provided with a left connecting wing 4-1 and a right connecting wing 4-2, the left end of the roller 5 extends leftwards to form a left shaft part 5-1, and the right end of the roller 5 extends rightwards to form a right shaft part 5-2;

the left shaft part 5-1 is rotatably connected with the left connecting wing 4-1 and penetrates through the left connecting wing 4-1, the left end of the left shaft part 5-1 is in threaded connection with a left end cover 8, and the left end cover 8 is positioned on the left side of the left connecting wing 4-1;

the right shaft part 5-2 is rotatably connected with the right connecting wing 4-2 and penetrates through the right connecting wing 4-2, the right end of the right shaft part 5-2 is in threaded connection with a right end cover 9, and the right end cover 9 is positioned on the right side of the right connecting wing 4-2;

the left end cover 8 is limited at the left side of the left connecting wing 4-1, and the right end cover 9 is limited at the right side of the right connecting wing 4-2, so that the roller 5 is axially positioned on the roller seat 4.

A left bearing 10 is arranged between the left connecting wing 4-1 and the left shaft part 5-1, and a right bearing 11 is arranged between the right connecting wing 4-2 and the right shaft part 5-2.

The mounting seat 3 on the support ring 2 of the intermediate shaft for the ship transmission system is fixed on the ship body, two ends of the body of the intermediate shaft 1 are respectively fixedly connected with the gear box and the propeller shaft, the intermediate shaft is provided with the adjustable roller 5 outside the intermediate shaft body 1, so that the roller 5 on the support ring 2 forms multidirectional support for the middle part of the intermediate shaft body 1, the roller 5 and the intermediate shaft body 1 rotate synchronously, the stability of the rotation of the intermediate shaft is improved, the radial run-out of the intermediate shaft is effectively prevented, the service life of the bearing on the gear box and the propeller shaft is prolonged, the maintenance period of the bearing is prolonged, and after the roller 5 is worn, the roller seat 4 can be pressed by the rotation adjusting rod 6, the roller seat 4 and the roller 5 on the intermediate shaft body 1 can approach to the outer peripheral surface of the positioning ring 1-1, and the roller 5 can firmly abut against the, thereby the roller 5 can continuously and stably form radial limit to the intermediate shaft body 1 for a long time.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An intermediate shaft for a marine transmission system, characterized by: the middle shaft structure comprises a middle shaft body (1), a positioning ring (1-1) protrudes outwards from the middle part of the middle shaft body (1), a supporting ring (2) is sleeved outside the positioning ring (1-1), a mounting seat (3) is fixed on the outer ring wall of the supporting ring (2), and at least three roller seats (4) are uniformly distributed on the inner ring wall of the supporting ring (2) along the circumference of the inner ring wall;

all rotate on running roller seat (4) and be provided with running roller (5), all be fixed with guide bar (7) on running roller seat (4), equal slidable mounting in guide bar (7) is on support ring (2), threaded connection has a plurality of regulation poles (6) on support ring (2), the quantity of adjusting pole (6) is unanimous with the quantity of running roller seat (4), and the one-to-one, the inner tip butt of adjusting pole (6) is on the lateral surface of running roller seat (4) rather than corresponding, and the axis of guide bar (7) and the axis of adjusting pole (6) are parallel to each other on same running roller seat (4) sets up, the outer peripheral face of running roller (5) all contacts with the outer peripheral face of holding ring (1-1) on support ring (2).

2. The intermediate shaft for a marine vessel transmission system according to claim 1, wherein: the roller (5) is axially fixed on the roller seat (4), an annular groove (5-3) matched with the positioning ring (1-1) is formed in the peripheral surface of the roller (5), and the positioning ring (1-1) is embedded into the annular groove (5-3) of the roller (5).

3. The intermediate shaft for a marine vessel transmission system according to claim 2, wherein: the roller seat (4) is provided with a left connecting wing (4-1) and a right connecting wing (4-2), the left end of the roller (5) extends leftwards to form a left shaft part (5-1), and the right end of the roller (5) extends rightwards to form a right shaft part (5-2);

the left shaft part (5-1) is rotatably connected with the left connecting wing (4-1) and penetrates through the left connecting wing (4-1), the left end of the left shaft part (5-1) is in threaded connection with a left end cover (8), and the left end cover (8) is positioned on the left side of the left connecting wing (4-1);

the right shaft part (5-2) is rotatably connected with the right connecting wing (4-2) and penetrates through the right connecting wing (4-2), the right end of the right shaft part (5-2) is in threaded connection with a right end cover (9), and the right end cover (9) is located on the right side of the right connecting wing (4-2).

4. The intermediate shaft for a marine vessel transmission system according to claim 3, wherein: a left bearing (10) is arranged between the left connecting wing (4-1) and the left shaft part (5-1), and a right bearing (11) is arranged between the right connecting wing (4-2) and the right shaft part (5-2).