CN213832072U

CN213832072U - Ship propulsion device

Info

Publication number: CN213832072U
Application number: CN202023023882.3U
Authority: CN
Inventors: 吴儒顺; 高仁云; 王芳; 张建; 张刚社; 苏世杰; 郭胜; 唐文献
Original assignee: Shanghai Hanxing Shipbuilding Technology Co ltd
Current assignee: Shanghai Hanxing Shipbuilding Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-07-30
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a ship propulsion device with reliable work, high propulsion efficiency and low cost, which comprises an empty hub motor, a front flow guide sleeve and a rear flow guide sleeve, wherein the front flow guide sleeve and the rear flow guide sleeve are arranged at two ends of the empty hub motor; at least three clutch seats are uniformly distributed on the inner wall of the diversion box around the circumference of the central shaft; the clutch base is provided with a clutch gear ring with a central line parallel to the radial direction of the diversion box, the clutch base is provided with a mounting hole at the central line of the clutch gear ring, a clutch positioning column is arranged in the mounting hole in a penetrating mode, the clutch positioning column is sequentially sleeved with an adjusting fluted disc and a blade unit in a detachable mode, the rear diversion cover comprises a cylindrical housing connected with a hollow hub motor, a central column is arranged at the central line of the housing, the central column is circumferentially provided with at least four spiral plates connected with the inner wall of the housing at the edges, and the spiral direction of the spiral plates is opposite to the spiral direction of the driving blades.

Description

Ship propulsion device

Technical Field

The utility model relates to a boats and ships advancing device, especially a take empty hub advancing device of rectification pressure boost. Belongs to the technical field of ship propulsion.

Background

At present, the mounting mode of propeller blades of an air hub propeller is fixedly mounted in a flow guide box of a motor rotor of the air hub propeller, and the radial included angle of the blades relative to the motor rotor is fixed, namely the pitch of the propeller is fixed and cannot be adjusted.

In the same-level ship, due to different ship body designs, the matching difference between the helix angle in the propeller and the ship shape is very large, the helix angle is increased, and the pitch is also increased, namely, the same blade changes the helix angle in the propeller, namely, the pitch of the propeller is changed. In the production of products, the design of the spiral angle of the propeller is based on a drawing, the optimal spiral angle is obtained through theoretical calculation, and because the actual ship has errors with the theoretical design, the optimal spiral angle of the actual ship in the driving process cannot be completely matched with the theoretical design, and sometimes the errors are larger. The helical angle of the propeller is large, the torque of the motor is increased, and the motor is easy to block; the helix angle of the propeller is small, and the rated power of the motor cannot be completely absorbed by the propeller, so that reactive power is generated, the working efficiency of the motor is also reduced, and the quality of a power grid in a ship power station is influenced.

Although the problems can be solved by the adjustable propeller, the adjustable propeller mechanism is complex and expensive, and particularly, an inner hole of a motor rotor of the hollow hub propulsion device is a mounting hole of a propeller, so that a blade rotating mechanism for mounting the adjustable propeller is not arranged in a space position.

In addition, because the propeller conveys water flow out through rotation inertia, the water outlet water column is spiral, the rotation component of the water outlet water column cannot effectively propel the ship to advance, and the water outlet water column is reactive component, so that the propelling efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provided is a ship propulsion device which is reliable in operation, high in propulsion efficiency, and low in manufacturing cost.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: a ship propulsion device comprises an empty hub motor, a front air guide sleeve and a rear air guide sleeve, wherein the front air guide sleeve and the rear air guide sleeve are arranged at two ends of the empty hub motor;

at least three clutch seats are uniformly distributed on the inner wall of the diversion box around the circumference of the central shaft; the clutch seat is provided with a clutch gear ring with a central line parallel to the radial direction of the diversion box, the clutch seat is provided with a mounting hole at the central line of the clutch gear ring, a clutch positioning column penetrates through the mounting hole, an adjusting fluted disc and a paddle unit are sequentially detachably sleeved on the clutch positioning column, the adjusting fluted disc is provided with an upper gear ring meshed with the clutch gear ring, the adjusting fluted disc is relatively provided with two circular arc-shaped first adjusting holes taking the central axis of the clutch positioning column as the circle center, and the clutch seat is provided with threaded positioning holes respectively matched with the two first adjusting holes; the adjusting fluted disc is provided with a lower gear ring which is coaxial with the upper gear ring, the tooth shape of the lower gear ring is consistent with that of the upper gear ring, and the tooth positions of the upper gear ring and the lower gear ring are in one-to-one correspondence or adjacent two teeth between the upper gear ring and the lower gear ring radially form an 3/4 tooth-shaped deflection angle, a 1/2 tooth-shaped deflection angle or a 1/4 tooth-shaped deflection angle;

the paddle unit comprises a blade mounting seat, a connecting hole matched with the clutch positioning column is formed in the blade mounting seat, two circular arc-shaped second adjusting holes which are matched with the two first adjusting holes respectively and use the central axis of the clutch positioning column as the center of a circle are formed in the blade mounting seat, the blade mounting seat is provided with a blade mounting seat matched with the lower gear ring of the adjusting fluted disc, and a driving blade is arranged on the blade mounting seat; two locking screws penetrating through the blade mounting seat and the adjusting fluted disc are respectively embedded into the two threaded positioning holes to position and lock the blade unit and the adjusting fluted disc, so that each driving blade is spirally distributed;

the rear air guide sleeve comprises a cylindrical housing connected with the hollow hub motor, a center column is arranged at the center line of the housing, at least four spiral plates with edges connected with the inner wall of the housing are circumferentially arranged on the center column, the spiral direction of the spiral plates is opposite to the spiral direction of the driving blades, the pitch between the spiral plates is the same as that between the driving blades, and the axial length of the spiral plates along the center column is the same as that of the driving blades.

As a preferable scheme, the cross section of one end of the central column close to the flow guiding box is in a quadratic parabola shape.

As a preferable scheme, a spiral function hole formed by the adjacent two spiral plates, the central column and the housing is a rectification function, and the number of the rectification functions is 2 times of the number of the blades plus 1 or minus 1.

Preferably, the central angle of a connecting line between the two ends of the first adjusting hole and the center of the adjusting fluted disc is 15 °.

As a preferable scheme, the matching between the mounting hole on the clutch seat and the clutch positioning column is transition matching; the connection holes on the blade mounting seat are in transition fit with the clutch positioning columns.

As a preferable scheme, a central angle of a connecting line between two ends of the second adjusting hole and a circle center of the blade mounting seat is 90 °.

Preferably, the axial outer circumference of the vane mounting seat is provided with an index line and an index value, and the axial outer circumference of the clutch seat is provided with an index indicating line for indicating the helix angle value of the paddle.

Preferably, the number of teeth of the upper gear ring and the lower gear ring is not less than 100.

The utility model has the advantages that:

the utility model discloses a drive paddle pitch is convenient in the adjustment of installation, and in the actual work, through the adjustment to drive paddle pitch, not only can satisfy best power matching between boats and ships screw and the motor, can also adapt to the boats and ships of the different ship types of same rank, avoids the design that a screw only adapts to a ship type to the application range and the availability factor of screw have been improved, and low in manufacturing cost is honest and clean. The utility model discloses utilize the profile of tooth clutch with the drive paddle leaf of screw, fix in the water conservancy diversion letter of empty hub propeller, utilize the profile of tooth clutch, not only make the helical angle of screw can obtain more accurate control, and the profile of tooth clutch utilizes the tooth type of meshing, can transmit the moment of torsion of screw paddle leaf effectively, between the profile of tooth clutch, an adjustment fluted disc has been increased, after selecting the stack of upper and lower flank of tooth of adjustment fluted disc, adjacent bidentate between upper and lower ring gear radially forms the declination and can set for the apolegamy, thereby can accurately adjust the pitch of screw, ensure the security of motor use and can improve useful work greatly; and a rectification box structure is arranged in the rear air guide sleeve, so that the water outlet rotating water flow of the propulsion device is rectified into linear water flow, namely, useless work is converted into useful work, and the propulsion efficiency of the ship is further improved.

Because the cross section of one end of the central column close to the diversion box is in a quadratic parabola shape, the water resistance can be effectively reduced, and the propelling efficiency of the ship is improved.

Because the spiral box holes formed by the adjacent spiral plates, the central column and the housing are rectification boxes, the number of the rectification boxes is 2 times that of the blades plus 1 or minus 1, the water outlet rotating water flow of the propulsion device can be better rectified into linear water flow, the water flow energy loss is reduced, and the propulsion efficiency of the ship is further improved.

Drawings

FIG. 1 is a schematic view of a ship propulsion system

FIG. 2 is a schematic view of an adjusting gear plate

FIG. 3 is a front view of a blade unit

FIG. 4 is a schematic top view of a blade unit

FIG. 5, Right side view of rear pod

In the figure: 1. rear air guide sleeve, 2, housing, 3, motor stator, 4, motor rotor, 5, adjusting fluted disc, 51, upper gear ring, 52, first adjusting hole, 53, fluted disc positioning hole, 54, fluted disc groove, 55, lower gear ring, 6, blade unit, 61, blade mounting seat, 62, blade fluted disc, 63, connecting hole, 64, blade groove, 65, driving blade, 66, second adjusting hole, 7, clutch positioning column, 8, guide box, 9, front guide sleeve, 10, hollow hub motor, 11, clutch seat, 12, spiral plate, 13, center column, 14, housing, 15 and rectification box.

Detailed Description

The following describes in detail a specific embodiment of the present invention with reference to the drawings.

As shown in fig. 1-5, a ship propulsion device comprises an empty hub motor 10, and a front air guide sleeve 9 and a rear air guide sleeve 1 which are arranged at two ends of the empty hub motor 10, wherein the empty hub motor 10 comprises a shell 2 and a cylindrical air guide box 8 which is rotatably arranged in the shell 2, a motor stator 3 is arranged on the inner wall of the shell 2, and a motor rotor 4 is arranged on the outer wall of the air guide box 8;

at least three clutch seats 11 are uniformly distributed on the inner wall of the diversion box 8 around the circumference of the central shaft; the clutch base 11 is provided with a clutch gear ring with a central line parallel to the radial direction of the diversion box 8, the clutch base 11 is provided with a mounting hole at the central line of the clutch gear ring, a clutch positioning column 7 penetrates through the mounting hole, and the mounting hole on the clutch base 11 is in transition fit with the clutch positioning column 7. An adjusting fluted disc 5 and a blade unit 6 are sequentially detachably sleeved on the clutch positioning column 7.

The adjusting fluted disc 5 is provided with a fluted disc positioning hole 53 matched with the clutch positioning column 7. An upper gear ring 51 meshed with the clutch gear ring is arranged on the adjusting gear ring 5, two circular arc-shaped first adjusting holes 52 taking the central axis of the clutch positioning column 7 as the center of a circle are oppositely arranged on the adjusting gear ring 5, and the central angle of a connecting line of two ends of each first adjusting hole 52 and the center of the adjusting gear ring 5 is 15 degrees.

The clutch seat 11 is provided with threaded positioning holes respectively matched with the two first adjusting holes 52; the adjusting fluted disc 5 is provided with a lower gear ring 55 which is coaxial with the upper gear ring 51, the tooth form of the lower gear ring 55 is consistent with that of the upper gear ring 51, and the tooth number of the upper gear ring 51 and the lower gear ring 55 is 120. The tooth positions of the upper gear ring 51 and the lower gear ring 55 are in one-to-one correspondence, or an 3/4 tooth form deflection angle, a 1/2 tooth form deflection angle or a 1/4 tooth form deflection angle is formed between the upper gear ring 51 and the lower gear ring 55 in the radial direction of adjacent teeth; an axial through hole is formed in the clutch positioning column 7, and a plurality of radial through holes communicated with the axial through hole are formed in the clutch positioning column 7 corresponding to the upper gear ring 51 and the lower gear ring 55 respectively. A toothed disc groove 54 is provided on the upper surface of the adjusting toothed disc 5 inside the upper toothed ring 51, and a toothed disc groove 54 is also provided on the lower surface of the adjusting toothed disc 5 inside the lower toothed ring 55.

The blade unit 6 comprises a blade mounting seat 61, a connecting hole 63 matched with the clutch positioning column 7 is formed in the blade mounting seat 61, and the connecting hole 63 in the blade mounting seat 61 is in transition fit with the clutch positioning column 7. Two circular arc-shaped second adjusting holes 66 which are matched with the two first adjusting holes 52 and use the central axis of the clutch positioning column 7 as the circle center are formed in the blade mounting seat 61, and the central angle of a connecting line between two ends of each second adjusting hole 66 and the circle center of the blade mounting seat 61 is 90 degrees. The blade mounting seat 61 is provided with a blade gear ring 61 matched with the lower gear ring 55 of the adjusting fluted disc, the blade mounting seat 61 is provided with a blade groove 64 on the inner side of the blade gear ring 61, and the blade mounting seat 61 is provided with a driving blade 65; two locking screws penetrating through the blade mounting seat 61 and the adjusting fluted disc 5 are respectively embedded into the two threaded positioning holes to position and lock the blade unit 6 and the adjusting fluted disc 5, so that each driving blade 65 is spirally distributed. The outer circumference of the axial line of the blade mounting seat 61 is provided with an index line and an index value, and the outer circumference of the axial direction of the clutch seat 11 is provided with an index indicating line for indicating the numerical value of the helix angle of the blade.

The rear air guide sleeve 1 comprises a cylindrical housing 14 connected with a hollow hub motor, a central column 13 is arranged at the center line of the housing 14, at least four spiral plates 12 with edges connected with the inner wall of the housing 14 are circumferentially arranged on the central column 13, the spiral direction of the spiral plates 12 is opposite to the spiral direction of the driving blades 65, the pitch between the spiral plates 12 is the same as that between the driving blades 65, and the axial length of the spiral plates 12 along the central column 13 is the same as that of the driving blades 65. The cross section of one end of the central column 12 close to the flow guiding box 8 is in a quadratic parabola shape. Spiral function holes formed by the adjacent two spiral plates 12, the central column 13 and the housing 14 are rectification functions 15, and the number of the rectification functions 15 is 2 times plus 1 of the number of the blades.

The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A ship propulsion device comprises an empty hub motor, a front air guide sleeve and a rear air guide sleeve, wherein the front air guide sleeve and the rear air guide sleeve are arranged at two ends of the empty hub motor;

the method is characterized in that: at least three clutch seats are uniformly distributed on the inner wall of the diversion box around the circumference of the central shaft; the clutch seat is provided with a clutch gear ring with a central line parallel to the radial direction of the diversion box, the clutch seat is provided with a mounting hole at the central line of the clutch gear ring, a clutch positioning column penetrates through the mounting hole, an adjusting fluted disc and a paddle unit are sequentially detachably sleeved on the clutch positioning column, the adjusting fluted disc is provided with an upper gear ring meshed with the clutch gear ring, the adjusting fluted disc is relatively provided with two circular arc-shaped first adjusting holes taking the central axis of the clutch positioning column as the circle center, and the clutch seat is provided with threaded positioning holes respectively matched with the two first adjusting holes; the adjusting fluted disc is provided with a lower gear ring which is coaxial with the upper gear ring, the tooth shape of the lower gear ring is consistent with that of the upper gear ring, and the tooth positions of the upper gear ring and the lower gear ring are in one-to-one correspondence or adjacent two teeth between the upper gear ring and the lower gear ring radially form an 3/4 tooth-shaped deflection angle, a 1/2 tooth-shaped deflection angle or a 1/4 tooth-shaped deflection angle;

2. A ship propulsion device as claimed in claim 1, characterized in that: the cross section of one end of the central column close to the diversion box is in a quadratic parabola shape.

3. A ship propulsion device as claimed in claim 1, characterized in that: and spiral function holes formed by surrounding the adjacent two spiral plates, the central column and the housing are rectification functions, and the number of the rectification functions is 2 times of the number of the blades plus 1 or minus 1.

4. A ship propulsion device as claimed in claim 1, characterized in that: and the central angle of a connecting line of the two ends of the first adjusting hole and the center of the adjusting fluted disc is 15 degrees.

5. A ship propulsion device as claimed in claim 1, characterized in that: the matching between the mounting hole on the clutch seat and the clutch positioning column is transition matching; the connection holes on the blade mounting seat are in transition fit with the clutch positioning columns.

6. A ship propulsion device as claimed in claim 1, characterized in that: and the central angle of a connecting line of the two ends of the second adjusting hole and the circle center of the blade mounting seat is 90 degrees.

7. A marine propulsion device as claimed in any one of claims 1 to 6, wherein: the axial outer circumference of the blade mounting seat is provided with an index line and an index numerical value, and the axial outer circumference of the clutch seat is provided with an index indicating line for indicating the numerical value of the helix angle of the paddle.

8. A marine propulsion device as claimed in any one of claims 1 to 6, wherein: the number of teeth of the upper gear ring and the lower gear ring is not less than 100.