CN111853175A - Gear box with shorter power transmission route - Google Patents
Gear box with shorter power transmission route Download PDFInfo
- Publication number
- CN111853175A CN111853175A CN202010691552.7A CN202010691552A CN111853175A CN 111853175 A CN111853175 A CN 111853175A CN 202010691552 A CN202010691552 A CN 202010691552A CN 111853175 A CN111853175 A CN 111853175A
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- Prior art keywords
- gear
- input
- reversing
- transmission
- clutch
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/14—Gearings for reversal only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a gear box with a shorter power transmission route, which relates to the field of transmission devices and comprises an elastic flywheel coupling component directly connected with a diesel engine flywheel, wherein an input coupling fixedly arranged on a housing box body is connected with the elastic flywheel coupling component for transmission, and the input coupling is connected with an input shaft arranged in the housing box body; the input shaft is fixedly provided with an input transmission gear meshed with the reverse transmission gear, the input transmission gear is connected with an input coupling through an end key, the input transmission gear is internally provided with a forward piston, a forward return spring and a forward clutch, and the housing box body is provided with an operating valve for sending a clutch combination instruction. The invention greatly reduces the weight of the gear box, reduces the volume, and can meet the same weight requirement under the same diesel engine rotating speed with the same power compared with the western European countries such as America, Germany and the like. Can be popularized and applied to the new generation of high-speed ships and boats.
Description
Technical Field
The invention relates to the field of transmission devices, in particular to a gear box with a shorter power transmission route.
Background
The input shaft of the existing marine gearbox is fixedly provided with a clutch shell and a clutch seat, and an input coupling is connected with the input end of the input shaft by a common spline or a flat key. The driving gear is sleeved on the input shaft in a hollow mode or supported on the box body through two bearings. The size is large and the weight is heavy. Is not suitable for yachts and high-speed boats.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a gear box with a shorter power transmission route, which has the advantages of simple structure, small volume, light weight and good rigidity.
The purpose of the invention is achieved by the following technical scheme: the gear box with the shorter power transmission route comprises an elastic flywheel coupling component directly connected with a diesel engine flywheel, an input coupling fixedly arranged on a housing box body is connected with the elastic flywheel coupling component for transmission, and the input coupling is connected with an input shaft arranged in the housing box body; an input transmission gear meshed with the reversing transmission gear is fixedly arranged on the input shaft, the input transmission gear is connected with an input coupling through an end face key, and a forward piston, a forward return spring and a forward clutch are arranged in the input transmission gear;
The input shaft is also provided with a forward driving gear which rotates relatively, and one end of the forward driving gear is provided with a clutch seat; the in-sequence clutch is composed of an in-sequence outer friction plate arranged in the input transmission gear, an in-sequence inner friction plate arranged on a clutch seat of the in-sequence driving gear, and an in-sequence inner friction plate and an outer friction plate;
a reversing piston, a reversing return spring and a reversing clutch are arranged in a reversing transmission gear fixedly arranged on the transmission shaft; the transmission shaft is also provided with a reverse driving gear which rotates relatively, one end of the reverse driving gear is provided with a clutch seat, a reverse inner friction plate is arranged in the clutch seat, a reverse outer friction plate is arranged in the reverse transmission gear, and the reverse clutch is composed of the reverse inner friction plate and the reverse outer friction plate;
the forward driving gear and the reverse driving gear are respectively meshed with a driven gear, the driven gear and an output coupling are fixedly arranged on an output shaft, and the output coupling outputs power through a tail shaft and a propeller which are connected with a ship body;
and the housing box body is provided with an operating valve for sending a clutch combination command.
As a further technical scheme, the input shaft is supported on the housing box body through a bearing A and a bearing B, the output shaft is supported on the housing box body through a bearing C and a bearing D, and the transmission shaft is supported on the housing box body through a bearing E and a bearing F;
An oil pump for ensuring the forward reversing of the gear box and the lubrication of the gear box is arranged at one shaft end of the transmission shaft, when a reversing instruction is sent by the operating valve, the oil pump conveys the working oil of the gear box to a reversing piston through a reversing working oil path, and the reversing piston moves to press the reversing inner and outer friction plates tightly, namely the reversing clutch is combined; when the control valve sends a forward running command, the oil pump conveys the working oil of the gear box to the forward running piston through the forward running working oil way, and the forward running piston moves to press the forward running inner and outer friction plates tightly, namely the forward running clutch is combined.
As a further technical scheme, two ends of the forward driving gear are respectively provided with a grinding disc A and a grinding disc B which are sleeved on the input shaft; and the two ends of the reversing driving gear are respectively provided with a grinding piece C and a grinding piece D which are sleeved on the transmission shaft.
The invention has the beneficial effects that: the weight of the gear box is greatly reduced, the volume is reduced, the requirement of the same weight of the gear box is met when the diesel engine rotates at the same speed with the same power in western European countries such as America, Germany and the like, so that the gear box of the new generation of yachts, high-speed boats, law enforcement boats, fishing boats, work rigors and the like in China do not depend on imported gear boxes, and the gear box has great practical application significance particularly in the aspects of military patrol boats, battle yachts and the like.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a sectional view B-B of fig. 1.
Description of reference numerals: the hydraulic reversing device comprises an oil pump 1, an operating valve 2, an elastic flywheel coupling assembly 3, an input coupling 4, a housing box 5, a bearing A6, an input transmission gear 7, a forward driving piston 8, a forward returning spring 9, a forward driving gear 10, a grinding plate A11, a bearing B12, an input shaft 13, a bearing C14, an output coupling 15, an output shaft 16, a grinding plate B17, a forward inner friction plate 18, a forward outer friction plate 19, a driven gear 20, a box cover 21, a bearing D22, a rear end cover 23, a bearing E24, a grinding plate C25, a grinding plate D26, a reversing returning spring 27, a reversing inner friction plate 28, a reversing outer friction plate 29, a reversing transmission gear 30, a reversing piston 31, a transmission shaft 32, a driving gear 33, a bearing F34, a forward working oil way 35 and a reversing working oil way 36.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in attached figures 1-3, the gear box with the shorter power transmission route comprises an elastic flywheel coupling component 3 directly connected with a diesel engine flywheel, an input coupling 4 fixedly arranged on a housing box body 5 is connected with the elastic flywheel coupling component 3 for transmission, and the input coupling 4 is connected with an input shaft 13 arranged in the housing box body 5; an input transmission gear 7 meshed with the reverse transmission gear 30 is fixedly arranged on the input shaft 13, the input transmission gear 7 is connected with the input coupling 4 through an end key, and a forward piston 8, a forward return spring 9 and a forward clutch are arranged in the input transmission gear 7; the input shaft 13 is also provided with a forward driving gear 10 which rotates relatively, and one end of the forward driving gear 10 is provided with a clutch seat; an in-sequence outer friction plate 19 is arranged in the input transmission gear 7, an in-sequence inner friction plate 18 is arranged on a clutch seat of the in-sequence driving gear 10, and the in-sequence inner and outer friction plates 18 and 19 form the in-sequence clutch; a reverse drive piston 31, a reverse return spring 27 and a reverse clutch are arranged in a reverse drive transmission gear 30 fixedly arranged on a transmission shaft 32; a reverse driving gear 33 which rotates relatively is also arranged on the transmission shaft 32, one end of the reverse driving gear 33 is provided with a clutch seat, a reverse inner friction plate 28 is arranged in the clutch seat, a reverse outer friction plate 29 is arranged in the reverse transmission gear 30, and the reverse inner and outer friction plates 28 and 29 form the reverse clutch; the forward driving gear 10 and the reverse driving gear 33 are respectively meshed with the driven gear 20, the driven gear 20 and the output coupling 15 are fixedly arranged on the output shaft 16, and the output coupling 15 outputs power by connecting a tail shaft and a propeller of a ship body; an operating valve 2 for sending a clutch combination command is arranged on the housing box body 5.
As a further technical solution, the input shaft 13 is supported on the housing case 5 through a bearing a5 and a bearing B12, the output shaft 16 is supported on the housing case 5 through a bearing C14 and a bearing D22, and the transmission shaft 32 is supported on the housing case 5 through a bearing E24 and a bearing F34; an oil pump 1 for ensuring the forward and reverse directions of the gear box and the lubrication of the gear box is arranged at one shaft end of the transmission shaft 32, when the control valve 2 sends a reverse command, the forward clutch is disengaged, the oil pump 1 conveys the working oil of the gear box to the reverse piston 31 through the reverse working oil path 36, and the reverse piston 31 moves to press the reverse inner and outer friction plates 28 and 29, namely the reverse clutch is combined. At the moment, the power of the diesel engine is transmitted out through the elastic flywheel coupling component 3, the input coupling 4, the input transmission gear 7, the reversing transmission gear 30, the reversing clutch, the reversing driving gear 33, the driven gear 20, the output shaft 16 and the output coupling 15, and the output coupling drives the tail shaft and the propeller of the ship body to rotate, so that the ship body retreats.
When the control valve 2 sends a forward command, the reverse clutch is disengaged, the oil pump 1 conveys the gear box working oil to the forward piston 8 through the forward working oil path 35, and the forward piston 8 moves to press the forward inner and outer friction plates 18 and 19 tightly, namely the forward clutch is combined. At the moment, the power of the diesel engine is transmitted out through the elastic flywheel coupling component 3, the input coupling 4, the input transmission gear 7, the forward clutch, the forward driving gear 10, the driven gear 20, the output shaft 16 and the output coupling 15, and the output coupling drives the tail shaft and the propeller of the ship body to rotate (the direction is opposite to that of the reverse driving), so that the ship body moves forwards.
When the forward clutch is disengaged and the reverse clutch is also disengaged, the gearbox output shaft 16 does not rotate.
As a further technical scheme, two ends of the forward driving gear 10 are respectively provided with a wear plate a11 and a wear plate B17, and both are sleeved on the input shaft 13; and two ends of the reversing driving gear 33 are respectively provided with a grinding plate C25 and a grinding plate D26 which are sleeved on the transmission shaft 32.
The input coupling 4 of the invention adopts the mode that the end face key is connected with the input transmission gear 7 to transmit the power of the diesel engine, and the gearbox has simple integral structure, small volume, light weight, short transmission route, large transmitted torque and strong structural rigidity. Compared with the western Europe countries such as America, Germany and the like, the diesel engine can meet the same weight requirement under the same diesel engine rotating speed with the same power through the trial production of the actual prototype. The method can be popularized and applied to high-speed boats such as yachts, high-speed boats, law enforcement boats, fishing boats and work lifters of the new generation, and has great practical application significance particularly in the aspects of military patrol boats, battle yachts and the like.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (3)
1. A gear box with shorter power transmission route comprises an elastic flywheel coupling component (3) directly connected with a diesel engine flywheel, an input coupling (4) fixedly arranged on a housing box body (5) is connected with the elastic flywheel coupling component (3) for transmission, and the input coupling (4) is connected with an input shaft (13) arranged in the housing box body (5); the method is characterized in that: an input transmission gear (7) meshed with the reverse transmission gear (30) is fixedly arranged on the input shaft (13), the input transmission gear (7) is connected with the input coupling (4) through an end key, and a forward piston (8), a forward return spring (9) and a forward clutch are arranged in the input transmission gear (7);
the input shaft (13) is also provided with a forward driving gear (10) which rotates relatively, and one end of the forward driving gear (10) is provided with a clutch seat; an in-sequence outer friction plate (19) is arranged in the input transmission gear (7), an in-sequence inner friction plate (18) is arranged on a clutch seat of the in-sequence driving gear (10), and the in-sequence inner and outer friction plates (18 and 19) form the in-sequence clutch;
a reversing piston (31), a reversing return spring (27) and a reversing clutch are arranged in a reversing transmission gear (30) fixedly arranged on a transmission shaft (32); a reverse driving gear (33) which rotates relatively is also arranged on the transmission shaft (32), one end of the reverse driving gear (33) is provided with a clutch seat, a reverse inner friction plate (28) is arranged in the clutch seat, a reverse outer friction plate (29) is arranged in the reverse transmission gear (30), and the reverse clutch is composed of the reverse inner friction plate (28) and the reverse outer friction plate (29);
The forward driving gear (10) and the reverse driving gear (33) are respectively meshed with the driven gear (20), the driven gear (20) and the output coupling (15) are fixedly arranged on the output shaft (16), and the output coupling (15) outputs power by connecting a tail shaft of a ship body and a propeller;
and the housing box body (5) is provided with an operating valve (2) for sending a clutch combination command.
2. The gearbox having a shorter power transmission route according to claim 1, characterized in that: the input shaft (13) is supported on the housing box body (5) through a bearing A (5) and a bearing B (12), the output shaft (16) is supported on the housing box body (5) through a bearing C (14) and a bearing D (22), and the transmission shaft (32) is supported on the housing box body (5) through a bearing E (24) and a bearing F (34);
an oil pump (1) for ensuring the forward reversing of the gear box and the lubrication of the gear box is arranged at one shaft end of the transmission shaft (32), when the control valve (2) sends a reversing instruction, the oil pump (1) conveys the working oil of the gear box to a reversing piston (31) through a reversing working oil path (36), and the reversing piston (31) moves to press the reversing inner and outer friction plates (28 and 29), namely the reversing clutch is combined; when the control valve (2) sends a forward driving command, the oil pump (1) conveys the gear box working oil to the forward driving piston (8) through the forward driving working oil path (35), and the forward driving piston (8) moves to press the forward driving inner and outer friction plates (18 and 19) tightly, namely the forward driving clutch is combined.
3. The gearbox having a shorter power transmission route according to claim 1, characterized in that: both ends of the forward driving gear (10) are respectively provided with a grinding disc A (11) and a grinding disc B (17), and both the grinding discs are sleeved on the input shaft (13); and both ends of the reversing driving gear (33) are respectively provided with a grinding piece C (25) and a grinding piece D (26), and the grinding pieces C and D are sleeved on the transmission shaft (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010691552.7A CN111853175A (en) | 2020-07-17 | 2020-07-17 | Gear box with shorter power transmission route |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010691552.7A CN111853175A (en) | 2020-07-17 | 2020-07-17 | Gear box with shorter power transmission route |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111853175A true CN111853175A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010691552.7A Pending CN111853175A (en) | 2020-07-17 | 2020-07-17 | Gear box with shorter power transmission route |
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| Country | Link |
|---|---|
| CN (1) | CN111853175A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153984A (en) * | 2021-01-13 | 2021-07-23 | 杭州萧山江南通用机械有限公司 | High rigidity high strength gear box |
| CN113323995A (en) * | 2021-06-02 | 2021-08-31 | 杭州前进齿轮箱集团股份有限公司 | Marine gear box with compact structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206377213U (en) * | 2016-08-24 | 2017-08-04 | 杭州萧山江南通用机械厂 | Fuel and electric hybrid input gear case |
| CN212360676U (en) * | 2020-07-17 | 2021-01-15 | 杭州萧山江南通用机械有限公司 | Gearbox with shorter power transmission route |
-
2020
- 2020-07-17 CN CN202010691552.7A patent/CN111853175A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206377213U (en) * | 2016-08-24 | 2017-08-04 | 杭州萧山江南通用机械厂 | Fuel and electric hybrid input gear case |
| CN212360676U (en) * | 2020-07-17 | 2021-01-15 | 杭州萧山江南通用机械有限公司 | Gearbox with shorter power transmission route |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153984A (en) * | 2021-01-13 | 2021-07-23 | 杭州萧山江南通用机械有限公司 | High rigidity high strength gear box |
| CN113323995A (en) * | 2021-06-02 | 2021-08-31 | 杭州前进齿轮箱集团股份有限公司 | Marine gear box with compact structure |
| CN113323995B (en) * | 2021-06-02 | 2024-03-12 | 杭州前进齿轮箱集团股份有限公司 | Marine gearbox with compact structure |
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