CN206770532U - A kind of especially big speed reducing ratio marine gearbox of dualratio reduction - Google Patents
A kind of especially big speed reducing ratio marine gearbox of dualratio reduction Download PDFInfo
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- CN206770532U CN206770532U CN201720600436.3U CN201720600436U CN206770532U CN 206770532 U CN206770532 U CN 206770532U CN 201720600436 U CN201720600436 U CN 201720600436U CN 206770532 U CN206770532 U CN 206770532U
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Abstract
A kind of marine gearbox, more particularly to a kind of especially big speed reducing ratio marine gearbox of dualratio reduction are the utility model is related to, belongs to the transmission device field of ship auxiliary power output.Input shaft part, I grade of power transmission shaft part of ahead running, II grade of power transmission shaft part of ahead running, I grade of intermediate shaft part of ahead running, II grade of intermediate shaft part of ahead running and output shaft assembly are provided with including casing, in described casing.A kind of especially big speed reducing ratio marine gearbox of dualratio reduction further lifts transmission performance, and dismounting is more convenient.
Description
Technical field
It the utility model is related to a kind of marine gearbox, more particularly to a kind of especially big speed reducing ratio marine gear of dualratio reduction
Case, belong to the transmission device field of ship auxiliary power output.
Background technology
A typically only ahead running speed reducing ratio for the especially big speed reducing ratio marine gearbox of prior art, can not meet ocean fishing vessel
Need two kinds of working condition requirements of quick sailing and big towing tension.Traditional dualratio reduction marine gearbox is usually by three driving tooths
The wheel structure that is meshed with output gear simultaneously, because the heart in the design is away from the case of certain, gear wheel is exported due to sharing, no
Only two speed reducing ratio speed differences are small, and two ahead running speed reducing ratio speed differences can not be adjusted freely, and the regulation of speed reducing ratio speed difference is inconvenient, no
Beneficial to ship Selection and Design.Particularly after main frame uses a period of time, the power drop caused by abrasion, user needs replacing to subtract
Speed than when can only be changed according to one of operating mode, another operating mode can not ensure to allow host work in economic speed scope.Therefore
To this ship for having two or more operating modes, traditional especially big speed reducing ratio marine gearbox can not meet that ship multi-operating mode energy-saving subtracts
The problem of speed reducing ratio speed difference is small, speed difference regulation is difficult again be present in row's demand, traditional dualratio reduction marine gearbox.
Utility model content
The utility model mainly solves the deficiencies in the prior art, there is provided and a kind of ahead running has two speed reducing ratio,
Speed reducing ratio speed difference can be adjusted arbitrarily, gearratio is big, compact-sized, simple to operate, and small volume is in light weight, and reliability is high, transmission effect
Rate is high, good appearance, a kind of especially big speed reducing ratio marine gearbox of dualratio reduction easy to maintenance.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：
A kind of especially big speed reducing ratio marine gearbox of dualratio reduction, including casing, be provided with described casing input shaft part,
Ahead running I grade of power transmission shaft part, II grade of power transmission shaft part of ahead running, I grade of intermediate shaft part of ahead running, ahead running II grade of intermediate shaft part and defeated
Shaft part；
Input drive gear in described input shaft part respectively with I grade of driving cog in I grade of power transmission shaft part of ahead running
II grade of travelling gear engaged transmission in II grade of wheel, ahead running power transmission shaft part；
I grade of countershaft-gear in described I grade of intermediate shaft part of ahead running respectively with I in I grade of power transmission shaft part of ahead running
Input driving gear engaged transmission in shelves driving gear, input shaft part；
II in II grade of power transmission shaft part of II grade of countershaft-gear and ahead running in described II grade of intermediate shaft part of ahead running
Shelves driving gear engaged transmission；
Output gear in described output shaft assembly respectively with I grade of intermediate gear shaft in I grade of intermediate shaft part of ahead running
With II grade of intermediate gear shaft engaged transmission of II grade of intermediate shaft part of ahead running.
Preferably, described input shaft part is arranged in the surface of output shaft assembly, described I grade of power transmission shaft of ahead running
II grade of power transmission shaft part of part and ahead running is arranged in above the both sides of input shaft part；Described I grade of intermediate shaft portion of ahead running
II grade of intermediate shaft part of part and ahead running is arranged in the down either side of input shaft part.
Preferably, described casing uses the branch mailbox structure of level four, the first flask joint in I grade of power transmission shaft part of ahead running and
Ahead running between the horizontal flange in II grade of power transmission shaft part axle center；Horizontal centre of second flask joint in input shaft part axle center
Face；Horizontal central plane of 3rd flask joint in output shaft assembly axle center.
Advantage is：Because the utility model two gears of ahead running do not share idler gear, regulation two be free to
Ahead running gear speed reducing ratio, not only speed reducing ratio speed difference can be very big, and speed reducing ratio speed difference can also be adjusted arbitrarily.Using four branch mailbox
Structure, by horizontal flange of the first flask joint design in II grade of power transmission shaft part axle center of I grade of power transmission shaft part of ahead running and ahead running
Between, the second flask joint the horizontal central plane in input shaft part axle center, the 3rd flask joint output shaft assembly axle center level
Median plane, in that context it may be convenient to dismantle three clutches and output block, installation and maintenance are all very convenient.Two ahead runnings are driven
Axle portion part, intermediate shaft part are split in the both sides of input block, body structure almost symmetry, good appearance, easily manufactured.
Therefore, the especially big speed reducing ratio marine gearbox of a kind of dualratio reduction of the present utility model, further lifts transmission performance,
Dismounting is more convenient.
Brief description of the drawings
Fig. 1 is box structure diagram of the present utility model；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is each gear transmission structure schematic diagram of the present utility model.
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment 1：As shown in Figure 1, Figure 2 and Figure 3, the especially big speed reducing ratio marine gearbox of a kind of dualratio reduction, including casing
1, input shaft part 2, I grade of power transmission shaft part 3 of ahead running, II grade of power transmission shaft part 4 of ahead running, I grade of ahead running are provided with described casing 1
Intermediate shaft part 5, II grade of intermediate shaft part 6 of ahead running and output shaft assembly 7；
Input drive gear 8 in described input shaft part 2 is driven with I grade in I grade of power transmission shaft part 3 of ahead running respectively
II grade of engaged transmission of travelling gear 10 in II grade of gear 9, ahead running power transmission shaft part 4；
I grade of countershaft-gear 11 in described I grade of intermediate shaft part 5 of ahead running respectively with I grade of power transmission shaft part 3 of ahead running
I grade of driving gear 12, the engaged transmission of input driving gear 13 in input shaft part 2；
In II grade of power transmission shaft part 4 of II grade of countershaft-gear 14 and ahead running in described II grade of intermediate shaft part 6 of ahead running
II grade of engaged transmission of driving gear 15；
Output gear 16 in described output shaft assembly 7 respectively with I grade of center tooth in I grade of intermediate shaft part 5 of ahead running
II grade of engaged transmission of intermediate gear shaft 18 of II grade of intermediate shaft part 6 of wheel shaft 17 and ahead running.
Described input shaft part 2 is arranged in the surface of output shaft assembly 7, described I grade of He of power transmission shaft part 3 of ahead running
Ahead running II grade of power transmission shaft part 4 is arranged in above the both sides of input shaft part 2；Described I grade of He of intermediate shaft part 5 of ahead running
Ahead running II grade of intermediate shaft part 6 is arranged in the down either side of input shaft part 2.
Described casing 1 uses the branch mailbox structure of level four, and the first flask joint is in I grade of power transmission shaft part 3 of ahead running and ahead running II
Between the horizontal flange in the axle center of shelves power transmission shaft part 4；Horizontal central plane of second flask joint in the axle center of input shaft part 2；The
Horizontal central plane of three flask joints in the axle center of output shaft assembly 7.
Claims (3)
1. a kind of especially big speed reducing ratio marine gearbox of dualratio reduction, including casing（1）, it is characterised in that：Described casing（1）In
Provided with input shaft part（2）, ahead running I grade of power transmission shaft part（3）, ahead running II grade of power transmission shaft part（4）, ahead running I grade of intermediate shaft portion
Part（5）, ahead running II grade of intermediate shaft part（6）And output shaft assembly（7）；
Described input shaft part（2）In input drive gear（8）Respectively with ahead running I grade of power transmission shaft part（3）In I grade biography
Moving gear（9）, ahead running II grade of power transmission shaft part（4）In II grade of travelling gear（10）Engaged transmission；
Described I grade of intermediate shaft part of ahead running（5）In I grade of countershaft-gear（11）Respectively with ahead running I grade of power transmission shaft part（3）
In I grade of driving gear（12）, input shaft part（2）In input driving gear（13）Engaged transmission；
Described II grade of intermediate shaft part of ahead running（6）In II grade of countershaft-gear（14）With II grade of power transmission shaft part of ahead running（4）
In II grade of driving gear（15）Engaged transmission；
Described output shaft assembly（7）In output gear（16）Respectively with ahead running I grade of intermediate shaft part（5）In I grade of centre
Gear shaft（17）With II grade of intermediate shaft part of ahead running（6）II grade of intermediate gear shaft（18）Engaged transmission.
A kind of 2. especially big speed reducing ratio marine gearbox of dualratio reduction according to claim 1, it is characterised in that：Described is defeated
Enter axle portion part（2）It is arranged in output shaft assembly（7）Surface, described I grade of power transmission shaft part of ahead running（3）With II grade of biography of ahead running
Moving axis part（4）It is arranged in input shaft part（2）Both sides above；Described I grade of intermediate shaft part of ahead running（5）And ahead running
II grade of intermediate shaft part（6）It is arranged in input shaft part（2）Down either side.
A kind of 3. especially big speed reducing ratio marine gearbox of dualratio reduction according to claim 1 or 2, it is characterised in that：It is described
Casing（1）Using the branch mailbox structure of level four, the first flask joint is in I grade of power transmission shaft part of ahead running（3）With II grade of power transmission shaft of ahead running
Part（4）Between the horizontal flange in axle center；Second flask joint is in input shaft part（2）The horizontal central plane in axle center；3rd point
Case face is in output shaft assembly（7）The horizontal central plane in axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600436.3U CN206770532U (en) | 2017-05-26 | 2017-05-26 | A kind of especially big speed reducing ratio marine gearbox of dualratio reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600436.3U CN206770532U (en) | 2017-05-26 | 2017-05-26 | A kind of especially big speed reducing ratio marine gearbox of dualratio reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206770532U true CN206770532U (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600436.3U Active CN206770532U (en) | 2017-05-26 | 2017-05-26 | A kind of especially big speed reducing ratio marine gearbox of dualratio reduction |
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| CN (1) | CN206770532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420491A (en) * | 2017-05-26 | 2017-12-01 | 杭州发达齿轮箱集团有限公司 | A kind of especially big speed reducing ratio marine gearbox of dualratio reduction and its operating method |
-
2017
- 2017-05-26 CN CN201720600436.3U patent/CN206770532U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420491A (en) * | 2017-05-26 | 2017-12-01 | 杭州发达齿轮箱集团有限公司 | A kind of especially big speed reducing ratio marine gearbox of dualratio reduction and its operating method |
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