CN218718543U - Gear box and ship - Google Patents
Gear box and ship Download PDFInfo
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- CN218718543U CN218718543U CN202222275667.5U CN202222275667U CN218718543U CN 218718543 U CN218718543 U CN 218718543U CN 202222275667 U CN202222275667 U CN 202222275667U CN 218718543 U CN218718543 U CN 218718543U
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- gear
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- friction plates
- planet carrier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to a boats and ships technical field discloses a gear box and boats and ships. The gearbox comprises a box body, the first planetary assembly comprises a first inner gear ring, a first planet carrier and a plurality of first planet wheels, the first planet wheels are installed in the first planet carrier, the first inner gear ring is annularly arranged on the outer sides of the first planet wheels, and the first planet wheels are respectively connected with the first inner gear ring and the input shaft in a meshing manner; the second planet assembly comprises a second inner gear ring, a second planet carrier and a plurality of second planet wheels, the plurality of second planet wheels are arranged in the second planet carrier, the second inner gear ring is annularly arranged at the outer sides of the plurality of second planet wheels, and the second planet wheels are respectively in meshed connection with the second inner gear ring and the input shaft; the first inner gear ring is connected to the second planet carrier through a first connecting plate; the output shaft is connected with the second planet carrier; the first brake is used for braking the first planet carrier; the second brake is used for braking the second inner gear ring. The utility model discloses a when output shaft corotation and reversal, effective reduction vibration, noise level.
Description
Technical Field
The utility model relates to a boats and ships technical field especially relates to a gear box and boats and ships.
Background
At present, in a ship propulsion system, a medium-high speed diesel engine drives a fixed-pitch propeller through a gear box to be a main transmission form, and the fixed-pitch propeller gear box generally has the functions of speed reduction, clutch and reversing. The traditional fixed pitch propeller gear box mostly adopts parallel shaft fixed shaft gear transmission, when input and output are concentrically arranged, two-stage gear transmission is needed for forward driving, and three-stage gear transmission is needed for reverse driving, so that the problems of large size, heavy weight, low transmission efficiency and large vibration noise exist.
The planetary gear transmission device has the advantages of being compact in structure, high in power density and high in transmission efficiency, and the overall dimension and the weight can be effectively reduced by adopting planetary transmission in the fixed pitch propeller gearbox, so that the light weight is realized. The common planetary gear transmission does not have a reversible function, and the planetary gear transmission is adopted in the marine gearbox, so that the reversing problem needs to be solved.
Accordingly, there is a need for a gearbox and a vessel to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Based on the above, an object of the utility model is to provide a gear box and boats and ships, when having realized output shaft corotation and reversal, reduce the gear drive progression, promoted transmission efficiency by a wide margin, effectively reduce vibration, noise level.
In order to achieve the purpose, the utility model adopts the following technical proposal:
in one aspect, a gear box is provided, which comprises a box body, wherein the box body is internally provided with:
an input shaft;
the first planet assembly comprises a first inner gear ring, a first planet carrier and a plurality of first planet wheels, the first planet wheels are arranged in the first planet carrier, the first inner gear ring is annularly arranged on the outer sides of the first planet wheels, and the first planet wheels are respectively meshed and connected with the first inner gear ring and the input shaft;
the second planet assembly comprises a second inner gear ring, a second planet carrier and a plurality of second planet wheels, the second planet wheels are arranged in the second planet carrier, the second inner gear ring is annularly arranged on the outer sides of the second planet wheels, and the second planet wheels are respectively in meshed connection with the second inner gear ring and the input shaft;
the first inner gear ring is connected to the second planet carrier through the first connecting plate;
an output shaft connected to the second carrier;
a first brake for braking the first carrier;
and the second brake is used for braking the second inner gear ring.
As a preferable technical scheme of the gearbox, the gearbox further comprises a control valve, wherein the control valve comprises a first gear, a second gear and a third gear,
when the control valve is located in the first gear, the first brake brakes the first planet carrier, and the second brake brakes the second inner gear ring;
when the control valve is located in the second gear, the first brake does not brake the first planet carrier, and the second brake brakes the second inner gear ring;
when the control valve is located in the third gear, the first brake does not brake the first planet carrier, and the second brake does not brake the second inner gear ring.
As a preferred technical scheme of a gear box, the first brake includes a first casing and a first hub, a first inner friction plate, a first outer friction plate, a first driving piece that set up in the first casing, first casing connect in the box, first hub connect in first planet carrier, it is a plurality of first inner friction plate connect in first hub, it is a plurality of first inner friction plate and a plurality of first outer friction plate set up along first direction interval, first driving piece can drive first outer friction plate extrusion first inner friction plate.
As a preferred technical scheme of the gearbox, the second brake includes a second connecting plate and a second casing, a second hub, a second inner friction plate, a second outer friction plate and a second driving member are arranged in the second casing, the second casing is connected to the box body, the second connecting plate is connected to the second inner gear ring, the second hub is connected to the second connecting plate, the second inner friction plates are connected to the second hub, the second inner friction plates and the second outer friction plates are arranged at intervals in a first direction, and the second driving member can drive the second outer friction plates to extrude the second inner friction plates.
As a preferable technical solution of the gear box, the first housing is provided with a first lubricating oil passage for lubricating and cooling the first inner friction plates and the first outer friction plates;
the second shell is provided with a second lubricating oil channel which is used for lubricating and cooling the second inner friction plate and the second outer friction plate.
As an optimal technical scheme of the gearbox, the gearbox further comprises a forward thrust bearing and a reverse thrust bearing, wherein a thrust ring is arranged on the outer wall of the output shaft, and the forward thrust bearing and the reverse thrust bearing are symmetrically arranged between the two sides of the thrust ring and the box body respectively.
As a preferable technical scheme of the gearbox, the input shaft is connected to the box body through a bearing, and a sealing piece is arranged between the input shaft and the box body.
In another aspect, there is provided a marine vessel comprising a gearbox according to any one of the above.
As a preferred technical scheme of boats and ships, still include the prime mover, input flange is provided with to the input shaft one end of keeping away from the output shaft, the input flange passes through the coupling joint and connects in the drive shaft of prime mover.
As a preferred technical scheme of boats and ships, still include the screw, output shaft is kept away from input shaft one end is provided with the output flange, the output flange connect in the screw.
The utility model has the advantages that:
the utility model provides a gear box and a ship, when the output shaft is required to rotate forwards, a first brake brakes a first planet carrier, and a second brake brakes a second inner gear ring; when the input shaft rotates reversely, the first planet carrier is fixed, the input shaft drives the first inner gear ring to rotate forwards through the first planet wheel, other parts of the second planet assembly are in a follow-up state, and the first inner gear ring drives the second planet carrier and the output shaft to rotate forwards, so that the forward transmission of the output shaft is realized; when the output shaft needs to rotate reversely, the first brake does not brake the first planet carrier, and the second brake brakes the second inner gear ring; when the input shaft rotates reversely, other parts of the second planetary assembly are in a follow-up state, the second inner gear ring is fixed, the input shaft drives the second planetary carrier to rotate reversely through the second planetary gear, the second planetary carrier drives the second output shaft to rotate reversely, and reverse transmission of the output shaft is achieved.
The utility model realizes that the output shaft has the rotation in two directions of positive rotation and reverse rotation under the condition that the rotation direction of the input shaft is not changed, and the reversing operation is flexible; the characteristics of planet wheel transmission power splitting are utilized, the size and the weight of the whole body are effectively reduced, the structure is compact, and the light weight is realized; by adopting the planetary gear transmission, only one stage of planetary reduction is needed during forward driving and backward driving, so that the transmission efficiency is greatly improved; and the vibration and noise level is effectively reduced by reducing the transmission stage number of the gear.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a sectional view of a gear box according to an embodiment of the present invention.
The figures are labeled as follows:
1. a box body; 2. an input shaft; 21. an input flange;
3. a first planet assembly; 31. a first ring gear; 32. a first carrier; 33. a first planet gear;
4. a second planetary assembly; 41. a second ring gear; 42. a second planet carrier; 43. a second planet wheel;
5. an output shaft; 51. a thrust ring;
6. a first brake; 61. a first housing; 62. a first hub; 63. a first inner friction plate; 64. a first outer friction plate; 65. a first driving member;
7. a second brake; 71. a second connecting plate; 72. a second housing; 73. a second hub; 74. a second inner friction plate; 75. a second outer friction plate; 76. a second driving member;
8. a positive vehicle thrust bearing; 9. a reversing thrust bearing; 10. a first connecting plate; 20. and a seal member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the present embodiment provides a gearbox including a case 1, and an input shaft 2, a first planetary assembly 3, a second planetary assembly 4, a first connecting plate 10, an output shaft 5, a first brake 6, and a second brake 7 are provided in the case 1.
Specifically, the first planetary assembly 3 includes a first ring gear 31, a first carrier 32 and a plurality of first planet gears 33, the plurality of first planet gears 33 are mounted in the first carrier 32, the first ring gear 31 is annularly arranged outside the plurality of first planet gears 33, and the first planet gears 33 are respectively engaged with the first ring gear 31 and the input shaft 2; the second planetary assembly 4 comprises a second ring gear 41, a second planet carrier 42 and a plurality of second planetary gears 43, the plurality of second planetary gears 43 are arranged in the second planet carrier 42, the second ring gear 41 is annularly arranged outside the plurality of second planetary gears 43, and the second planetary gears 43 are respectively in meshed connection with the second ring gear 41 and the input shaft 2; the first ring gear 31 is connected to the second carrier 42 through the first connecting plate 10; the output shaft 5 is connected to the second carrier 42; the first brake 6 is used for braking the first carrier 32; the second brake 7 is used to brake the second ring gear 41. In this embodiment, the connection mode of each part can be screw connection, and easy operation, joint strength is high. Further, the input shaft 2, the first planet gears 33, the first ring gear 31, the second planet gears 43, and the second ring gear 41 are all provided with spur teeth.
When the output shaft 5 needs to rotate forwards, the first brake 6 brakes the first planet carrier 32, and the second brake 7 does not brake the second ring gear 41; when the input shaft 2 rotates reversely, the first planet carrier 32 is not moved, the input shaft 2 drives the first inner gear ring 31 to rotate forwardly through the first planet wheel 33, other parts of the second planet component 4 are in a follow-up state, and the first inner gear ring 31 drives the second planet carrier 42 and the output shaft 5 to rotate forwardly, so that the forward transmission of the output shaft 5 is realized; when the output shaft 5 needs to rotate reversely, the first brake 6 does not brake the first planet carrier 32, and the second brake 7 brakes the second ring gear 41; when the input shaft 2 rotates reversely, other parts of the second planetary assembly 4 are in a follow-up state, the second ring gear 41 is not moved, the input shaft 2 drives the second planetary carrier 42 to rotate reversely through the second planetary gear 43, and the second planetary carrier 42 drives the second output shaft 5 to rotate reversely, so that reverse transmission of the output shaft 5 is realized. The embodiment realizes that the output shaft 5 rotates in two directions of positive rotation and negative rotation under the condition that the rotation direction of the input shaft 2 is not changed, and the reversing operation is flexible; the characteristics of planet wheel transmission power splitting are utilized, the size and the weight of the whole body are effectively reduced, the structure is compact, and the light weight is realized; by adopting the planetary gear transmission, only one stage of planetary reduction is needed during forward driving and backward driving, so that the transmission efficiency is greatly improved; and the vibration and noise level is effectively reduced by reducing the transmission stage number of the gear.
Further, the first brake 6 includes a first housing 61, a first hub 62, a first inner friction plate 63, a first outer friction plate 64, and a first driving member 65, which are disposed in the first housing 61, the first housing 61 is connected to the case 1, the first hub 62 is connected to the first carrier 32, the first inner friction plates 63 are connected to the first hub 62, the first inner friction plates 63 and the first outer friction plates 64 are disposed at intervals in a first direction, and the first driving member 65 is capable of driving the first outer friction plates 64 to press the first inner friction plates 63. When the first brake 6 does not brake the first planet carrier 32, the first planet carrier 32 can drive the first hub 62 and the first inner friction plate 63 to rotate when rotating; when the first brake 6 brakes the first planet carrier 32, the first driving member 65 drives the first outer friction plate 64 to squeeze the first inner friction plate 63, so that friction force is generated between the first outer friction plate 64 and the first inner friction plate 63, the first inner friction plate 63 is braked, and the first hub 62 and the first planet carrier 32 are braked.
The second brake 7 includes a second connecting plate 71 and a second housing 72, a second hub 73, a second inner friction plate 74, a second outer friction plate 75 and a second driving element 76 are disposed in the second housing 72, the second housing 72 is connected to the case 1, the second connecting plate 71 is connected to the second ring gear 41, the second hub 73 is connected to the second connecting plate 71, a plurality of second inner friction plates 74 are connected to the second hub 73, the plurality of second inner friction plates 74 and the plurality of second outer friction plates 75 are disposed at intervals in the first direction, and the second driving element 76 can drive the second outer friction plates 75 to press the second inner friction plates 74. The second hub 73 is connected to the second ring gear 41 through the second connecting plate 71, and when the second brake 7 does not brake the second ring gear 41, the second ring gear 41 can drive the second hub 73 and the second inner friction plate 74 to rotate when rotating; when the second brake 7 brakes the second ring gear 41, the second driving element 76 drives the second outer friction plate 75 to squeeze the second inner friction plate 74, and friction force is generated between the second outer friction plate 75 and the second inner friction plate 74, so that the second inner friction plate 74 is braked, and the second hub 73 and the second ring gear 41 are braked.
Preferably, the first housing 61 is provided with a first lubricating oil passage for lubricating and cooling the first inner friction plates 63 and the first outer friction plates 64, improving the performance of the first brake 6. The second housing 72 is provided with a second lubricating oil passage for lubricating and cooling the second inner friction plates 74 and the second outer friction plates 75, improving the performance of the second brake 7.
In this embodiment, the first driving member 65 and the second driving member 76 both adopt hydraulic brakes, and the first casing 61 is provided with a first pressure oil passage, which is communicated with the piston cavity of the first driving member 65, so that hydraulic oil of a hydraulic system can drive the piston of the first driving member 65 to move, and drive the first outer friction plate 64 to extrude the first inner friction plate 63. The second casing 72 is provided with a second pressure oil passage, which is communicated with the piston cavity of the second driving member 76, so that hydraulic oil of the hydraulic system can drive the piston of the second driving member 76 to move, and drive the second outer friction plate 75 to press the second inner friction plate 74.
Preferably, the input shaft 2 is connected to the casing 1 through a bearing, so that the input shaft 2 is rotatably connected and supported in the casing 1, and the gear on the input shaft 2 serves as a sun gear of the first planetary assembly 3 and the second planetary assembly 4 at the same time. A sealing element 20 is arranged between the input shaft 2 and the box body 1, and the sealing between the input shaft 2 and the box body 1 is realized.
In this embodiment, the output shaft 5 is connected to the propeller, and further preferably, the gear box further includes a forward thrust bearing 8 and a reverse thrust bearing 9, a thrust collar 51 is disposed on an outer wall of the output shaft 5, and the forward thrust bearing 8 and the reverse thrust bearing 9 are respectively and symmetrically disposed between two sides of the thrust collar 51 and the box body 1. When the output shaft 5 is in the normal operation, the output shaft 5 rotates forward, the output shaft 5 tends to move in the direction close to the input shaft 2, and the thrust ring 51 transmits the shifting force to the box body 1 through the normal thrust bearing 8, thereby preventing the output shaft 5 from moving in the axial direction. When the output shaft 5 is operated in reverse, the output shaft 5 rotates reversely, the output shaft 5 has a tendency to move in a direction away from the input shaft 2, and the thrust collar 51 transmits the shifting force to the case 1 through the reverse thrust bearing 9, thereby preventing the output shaft 5 from moving in the axial direction.
Preferably, the gearbox further comprises a control valve, the control valve comprises a first gear, a second gear and a third gear, when the control valve is positioned in the first gear, the first brake 6 brakes the first planet carrier 32, and the second brake 7 brakes the second ring gear 41; when the control valve is in the second gear, the first brake 6 does not brake the first planet carrier 32, and the second brake 7 brakes the second ring gear 41; when the control valve is in the third gear, the first brake 6 does not brake the first carrier 32, and the second brake 7 does not brake the second ring gear 41. When the control valve is in the first gear, the output shaft 5 is in a positive vehicle gear, and the output shaft 5 rotates positively; when the control valve is in the second gear, the output shaft 5 is in a reverse gear, and the output shaft 5 rotates reversely; when the control valve is in the third gear, the output shaft 5 is in a neutral gear, the first planetary assembly 3 and the second planetary assembly 4 are in a follow-up state, and the output shaft 5 is in a static state. Operating personnel has realized that first fender position, second keep off position and third fender position fast switch over through controlling the control valve, improves the simple operation nature.
It should be noted that the gear box comprises a forward drive mode, a reverse drive mode and a neutral mode, and the working principle of the gear box is as follows:
the positive vehicle transmission mode: an operator drives the first gear through the control valve, hydraulic oil enters a piston cavity of the first driving part 65, a piston of the first driving part 65 presses the first outer friction plate 64, the first brake 6 brakes the first planet carrier 32, the first planet carrier 32 is kept static, and the second brake 7 does not brake the second inner gear ring 41; when the input shaft 2 rotates reversely, the first planet carrier 32 is not moved, the input shaft 2 drives the first inner gear ring 31 to rotate forwardly through the first planet wheels 33, other parts of the second planet assembly 4 are in a follow-up state, and the first inner gear ring 31 drives the second planet carrier 42 and the output shaft 5 to rotate forwardly, so that the forward transmission of the output shaft 5 is realized. During this transmission, the input shaft 2 and the output shaft 5 rotate in opposite directions.
A reverse drive mode: an operator drives the second gear through the control valve, hydraulic oil enters a piston cavity of the second driving piece 76, a piston of the second driving piece 76 presses the second outer friction plate 75, the second brake 7 brakes the second inner gear ring 41, the second inner gear ring 41 is kept static, and the first brake 6 does not brake the first planet carrier 32. When the input shaft 2 rotates reversely, other parts of the second planetary assembly 4 are in a follow-up state, the second ring gear 41 is not moved, at this time, the second planetary assembly 4 belongs to NGW type planetary transmission, a gear on the input shaft 2 is a sun gear, the input shaft 2 drives the second planet carrier 42 to rotate reversely through the second planet gear 43, and the second planet carrier 42 drives the second output shaft 5 to rotate reversely, so that reverse transmission of the output shaft 5 is realized. During this transmission, the input shaft 2 and the output shaft 5 rotate in the same direction.
Neutral mode: an operator drives the third gear through the control valve, the first planetary assembly 3 and the second planetary assembly 4 are in a follow-up state, the output shaft 5 has no power output, the gear on the input shaft 2 is meshed with the first planetary gear 33, the first planetary gear 33 drives the first planet carrier 32 to idle, and the first inner gear ring 31 and the first connecting plate 10 are both kept static with the output shaft 5. The gear of the input shaft 2 is engaged with the second planet gears 43, the second planet gears 43 drive the second ring gear 41 to idle, and the second planet carrier 42 and the output shaft 5 are kept static.
The embodiment also provides a ship comprising the gearbox. The ship further comprises a prime mover, wherein an input flange 21 is arranged at one end of the input shaft 2, which is far away from the output shaft 5, and the input flange 21 is connected to a driving shaft of the prime mover through a coupler. Wherein the prime mover may be a diesel engine. The ship further comprises a propeller, wherein an output flange is arranged at one end, far away from the input shaft 2, of the output shaft 5, and the output flange is connected to the propeller. The ship realizes forward and reverse transmission through the gear box and has the characteristics of compact structure, light weight and flexible reversing operation.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a gearbox, its characterized in that includes box (1), be provided with in box (1):
an input shaft (2);
the first planet assembly (3) comprises a first inner gear ring (31), a first planet carrier (32) and a plurality of first planet gears (33), the first planet gears (33) are installed in the first planet carrier (32), the first inner gear ring (31) is annularly arranged on the outer sides of the first planet gears (33), and the first planet gears (33) are respectively in meshed connection with the first inner gear ring (31) and the input shaft (2);
the second planetary assembly (4) comprises a second annular gear (41), a second planet carrier (42) and a plurality of second planetary gears (43), the second planetary gears (43) are arranged in the second planet carrier (42), the second annular gear (41) is arranged outside the second planetary gears (43) in a surrounding manner, and the second planetary gears (43) are respectively in meshed connection with the second annular gear (41) and the input shaft (2);
a first connection plate (10), through which the first ring gear (31) is connected to the second carrier (42);
an output shaft (5) connected to the second carrier (42);
a first brake (6) for braking the first carrier (32);
a second brake (7) for braking the second ring gear (41).
2. The gearbox of claim 1, further comprising a control valve including a first gear, a second gear, and a third gear,
when the control valve is in the first gear, the first brake (6) brakes the first planet carrier (32), and the second brake (7) does not brake the second ring gear (41);
when the control valve is located in the second gear, the first brake (6) does not brake the first planet carrier (32), and the second brake (7) brakes the second ring gear (41);
when the control valve is located in the third gear, the first brake (6) does not brake the first planet carrier (32), and the second brake (7) does not brake the second inner gear ring (41).
3. The gearbox according to claim 1, characterized in that the first brake (6) comprises a first housing (61) and a first hub (62), a first inner friction plate (63), a first outer friction plate (64), a first driving member (65) arranged in the first housing (61), the first housing (61) is connected to the casing (1), the first hub (62) is connected to the first carrier (32), a plurality of the first inner friction plates (63) are connected to the first hub (62), a plurality of the first inner friction plates (63) and a plurality of the first outer friction plates (64) are arranged at intervals in a first direction, and the first driving member (65) can drive the first outer friction plates (64) to press the first inner friction plates (63).
4. A gearbox according to claim 3, in which the second brake (7) comprises a second connecting plate (71) and a second housing (72), in which second housing (72) there is provided a second hub (73), a second inner friction plate (74), a second outer friction plate (75) and a second drive member (76), the second housing (72) being connected to the casing (1), the second connecting plate (71) being connected to the second annulus gear (41), the second hub (73) being connected to the second connecting plate (71), a plurality of the second inner friction plates (74) being connected to the second hub (73), a plurality of the second inner friction plates (74) and a plurality of the second outer friction plates (75) being spaced apart in a first direction, the second drive member (76) being capable of driving the second outer friction plates (75) to squeeze the second inner friction plates (74).
5. A gearbox according to claim 4, in which the first housing (61) is provided with a first oil gallery for lubricating and cooling the first inner (63) and outer (64) friction plates;
the second housing (72) is provided with a second lubricating oil passage for lubricating and cooling the second inner friction plates (74) and the second outer friction plates (75).
6. The gearbox according to any one of claims 1 to 5, further comprising a forward thrust bearing (8) and a reverse thrust bearing (9), wherein a thrust collar (51) is arranged on the outer wall of the output shaft (5), and the forward thrust bearing (8) and the reverse thrust bearing (9) are respectively and symmetrically arranged between two sides of the thrust collar (51) and the box body (1).
7. A gearbox according to any one of claims 1 to 5, in which the input shaft (2) is connected to the casing (1) by means of bearings, and a seal (20) is arranged between the input shaft (2) and the casing (1).
8. A marine vessel comprising a gearbox according to any one of claims 1-7.
9. A vessel according to claim 8, further comprising a prime mover, wherein an end of the input shaft (2) remote from the output shaft (5) is provided with an input flange (21), and wherein the input flange (21) is coupled to a drive shaft of the prime mover by a coupling.
10. A ship as claimed in claim 8, further comprising a propeller, wherein an output flange is provided at an end of the output shaft (5) remote from the input shaft (2), the output flange being connected to the propeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222275667.5U CN218718543U (en) | 2022-08-29 | 2022-08-29 | Gear box and ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222275667.5U CN218718543U (en) | 2022-08-29 | 2022-08-29 | Gear box and ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218718543U true CN218718543U (en) | 2023-03-24 |
Family
ID=85630879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222275667.5U Active CN218718543U (en) | 2022-08-29 | 2022-08-29 | Gear box and ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218718543U (en) |
-
2022
- 2022-08-29 CN CN202222275667.5U patent/CN218718543U/en active Active
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