CN2565748Y - Improved marine gearbox (7) - Google Patents
Improved marine gearbox (7) Download PDFInfo
- Publication number
- CN2565748Y CN2565748Y CN 02265495 CN02265495U CN2565748Y CN 2565748 Y CN2565748 Y CN 2565748Y CN 02265495 CN02265495 CN 02265495 CN 02265495 U CN02265495 U CN 02265495U CN 2565748 Y CN2565748 Y CN 2565748Y
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- CN
- China
- Prior art keywords
- gear
- utility
- gearbox
- model
- driven gear
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Abstract
The utility model relates to an improved marine gearbox which belongs to the manufacturing technical field of a marine power device. The utility model is composed of an input coupler, an input shaft, an ahead running driving gearwheel, a reverse running driving gearwheel, an ahead running driven gearwheel, a reverse running driven gearwheel, an output shaft and a gearbox body. The utility model is characterized in that a friction surface is directly arranged in the driven gearwheel, and a ring of a synchronizer and the driven gearwheel are carried out with the surface combination by that a deflector rod of the synchronizer shifts a shift fork. At the same time, the toothed edge of the output shaft of the gearbox is additionally provided with a drum-shaped protrusion used for avoiding the unsymmetry of the gearbox. The utility model has the advantages of novel structure, big friction surface, convenient operation and low manufacturing cost, and can realize the purpose of emergency brake at the time of marine full-speed running and is provided with wider application foreground.
Description
Technical field
The utility model belongs to ship power driving device manufacturing technology field, relates in particular to middle low power marine gear box a kind of and the diesel engine for boats coupling.
Background technology
Marine gear box is a kind of wheel word peculiar to vessel that has suitable, clutch, deceleration and can bear propeller thrust.The common rotating speed of the diesel engine for boats of middle low power is higher, but can not reverse, therefore must be supporting with marine gear box, could form unit power plant peculiar to vessel.Ship is run into emergency situation when the water surface is under full steam, need reverse rotation by marine gear box and finish emergency brake.The existing different types of machines of the marine gear box of fraction horsepower at present domestic, but all by friction plate clutch, the clutch of this mode, spiral is longer with reversed time, so the friction lining loss is big.Therefore designing a kind of suitable middle flexibly fraction horsepower marine gear box of boats and ships that makes, already is crucial for carrier on the developing water.
Summary of the invention
The utility model purpose be the design a kind of novel structure and have suitable flexibly, lower-cost marine gear box.
The utility model achieves the above object by the following technical solutions.A kind of improved type marine gear box, it comprises input coupling, input shaft, ahead running driving gear, reversing driving gear, the ahead running driven gear, the reversing driven gear, output shaft, casing, it is characterized in that the ahead running driven gear combines with the reversing driven gear by the synchro assembly, realizes the gear case commutation; Described synchro is used the automobile synchronizer structure, driving lever length is increased, and driving lever is placed the gear case left side, in the face of the gear case input end.The manipulation driving lever is stirred shift fork combines baulk ring and driven gear implementation face, reaches friction braking; Simultaneously, set up a cydariform projection, occur out of supply when preventing the moving running of gear case in the tooth portion of gearbox output shaft.
By the improvement of said structure, changed the friction plate clutch of existing marine gear box, friction face is directly placed in the driven gear.Simultaneously, strengthen the frictional area of baulk ring and driven gear as required, and friction face is carried out special processing, strengthen mutual friction force.Because the growth of synchro driving lever can make things convenient for and stir shift fork leggiero, realize the forced engagement of baulk ring and driven gear, shorten the propeller reversed time thereby reach.Through practical probation, the improvement of this structure makes the transmission capacity of gear case that further raising be arranged, and can make things convenient for and successfully finish sudden stop when under full steam, and this structural development can also cause the friction plate material cost to reduce simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the utility model baulk ring and reversing driven gear friction face scheme drawing.
Fig. 3 is that the utility model driving lever is handled scheme drawing.
Among Fig. 1, input shaft plunging joint (1), input shaft (2), ahead running driving gear (3) reversing driving gear (4), ahead running driven gear (5), reversing driven gear (6), output shaft (7), synchro assembly (8), shift fork (9), driving lever (10), casing (11).
Among Fig. 2, reversing driven gear (6), baulk ring (12) directly engage baulk ring with the driven tooth wheel face, increased both frictional areas.
Among Fig. 3, shift fork is positioned at the end of driving lever (10), utilizes the lever force swing shift fork of driving lever to make baulk ring (12) and driven gear (6) carry out forced engagement.
The specific embodiment
In conjunction with specific embodiments, the utility model is described in further detail.At the marine gear device of 12,14 models, between ahead running driven gear (5), reversing driven gear (6), synchro (8) is set, as adopting EQ140 automobile gearbox synchro.Synchro driving lever (10) is increased length, and to increase lever force and to be convenient to operation, driving lever places the gear case left side.Friction face is placed in the driven gear, and driving lever makes shift fork (9) action, reaches and handles baulk ring and driven gear clutch.For avoiding gear case out of supply in the running, set up a cydariform projection in the tooth portion of gearbox output shaft.
Claims (3)
1. an improved type marine gear box comprises input coupling, input shaft, ahead running driving gear, the reversing driving gear, ahead running driven gear, reversing driven gear, output shaft, casing is characterized in that the ahead running driven gear combines with the reversing driven gear by synchro, realizes the gear case commutation.
2. improved type marine gear box according to claim 1 is characterized in that described synchro driving lever places the gear case left side, and driving lever is stirred shift fork makes baulk ring engage with driven gear implementation face.
3. improved type marine gear box according to claim 1 is characterized in that the tooth portion of gearbox output shaft sets up a drum type projection, and is out of supply when avoiding the gear case running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265495 CN2565748Y (en) | 2002-07-12 | 2002-07-12 | Improved marine gearbox (7) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265495 CN2565748Y (en) | 2002-07-12 | 2002-07-12 | Improved marine gearbox (7) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2565748Y true CN2565748Y (en) | 2003-08-13 |
Family
ID=33731509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02265495 Expired - Lifetime CN2565748Y (en) | 2002-07-12 | 2002-07-12 | Improved marine gearbox (7) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2565748Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605163A (en) * | 2016-03-11 | 2016-05-25 | 绍兴前进齿轮箱有限公司 | Mechanical-manipulation marine gear box |
-
2002
- 2002-07-12 CN CN 02265495 patent/CN2565748Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605163A (en) * | 2016-03-11 | 2016-05-25 | 绍兴前进齿轮箱有限公司 | Mechanical-manipulation marine gear box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120712 Granted publication date: 20030813 |