CN111005989A - Marine high-power gear box with full-sliding bearing structure - Google Patents
Marine high-power gear box with full-sliding bearing structure Download PDFInfo
- Publication number
- CN111005989A CN111005989A CN201911332728.3A CN201911332728A CN111005989A CN 111005989 A CN111005989 A CN 111005989A CN 201911332728 A CN201911332728 A CN 201911332728A CN 111005989 A CN111005989 A CN 111005989A
- Authority
- CN
- China
- Prior art keywords
- sliding bearing
- gear
- shaft
- bearing
- clutch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 abstract description 12
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
- F16H3/087—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 characterised by the disposition of the gears
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Abstract
A ship high-power gear box with a full-sliding bearing structure comprises a box body, wherein an input shaft part, a forward clutch part, a reverse clutch part and an output shaft part are arranged in the box body; compared with a rolling bearing, the gear box sliding bearing has the advantages that the problem of galling and abrasion caused by slipping of a rolling element of the rolling bearing can be solved, the service life of the gear box bearing is effectively prolonged, the working rotating speed of a gear box is improved, the noise of the gear box is reduced, the price is low, the cost of the gear box can be effectively reduced, and the like.
Description
Technical Field
The invention relates to a marine high-power gear box with a full-sliding bearing structure, belonging to a gear transmission device of a marine power transmission system.
Prior Art
The marine gearbox is used as a gear transmission device of a main propulsion system of a ship, and has the functions of reversing, clutching, decelerating and bearing the thrust of a propeller. When the ship moves forward, the forward clutch component works, and the reverse clutch component idles; when the ship backs up, the reverse clutch component works and the forward clutch component idles; when the diesel engine works when the ship stops, the forward clutch of the input shaft component, the forward clutch component and the reverse clutch of the reverse clutch component are all disengaged, and at the moment, the forward clutch of the input shaft component, the forward clutch component and the reverse clutch of the reverse clutch component are all idle. Under the above working conditions, the bearings of the idle running part only bear part of the weight of each part and basically run in a no-load state.
The existing marine gear box of the same type is provided with a rolling bearing arrangement for an input shaft component, a forward clutch component and a reverse clutch component. As the rolling bearing can not meet the requirement of minimum load on a high-rotating-speed large-specification marine gearbox (such as a gearbox above GWC 70.76), the rolling element is easy to slip, galling and wear in a raceway, the early failure of the bearing is caused, the gearbox can not work normally, and even the serious accident of gear breakage is caused. The higher the bearing working speed is, the more serious the problem of the rolling elements in the roller paths in sliding and galling wear is, so that the working speed range of the gearbox is also limited, and the phenomenon is more obvious on idle parts.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a marine high-power gear box with a full-sliding bearing structure, which solves the problems of bearing slipping, galling and abrasion of an input shaft component, a forward clutch component and a reverse clutch component, improves the working rotating speed of the marine gear box and prolongs the service life of a bearing.
The invention aims to complete the technical scheme that the marine high-power gear box with the full-sliding bearing structure comprises a box body, wherein an input shaft part, a forward clutch part, a reverse clutch part and an output shaft part are arranged in the box body, the rear end of an input shaft is provided with an input shaft rear sliding bearing, the front end of the input shaft is provided with an input shaft front sliding bearing, the input shaft front sliding bearing and the input shaft rear sliding bearing are of a double-half split structure and are arranged on the input shaft part and the box body part through bolts and positioning pins, the rear end of a forward shaft gear is provided with a forward shaft gear rear sliding bearing, the front end of a forward shaft gear is provided with a forward shaft gear front sliding bearing, the rear end of a forward clutch is provided with a forward clutch sliding bearing, the front end of a forward clutch is provided with a forward clutch front sliding bearing, the bearings are of double-half split structures, the front-wheel-drive-type clutch is installed on a front-wheel-drive clutch part and a box body part through bolts and positioning pins, and 2 shaft gear thrust bearings are further arranged at the rear ends of rear sliding bearings of front-wheel-drive-type shaft gears and bear axial force of the front-wheel-drive-type shaft gears.
The rear end of the reversing shaft gear is provided with a reversing shaft gear rear sliding bearing, the front end of the reversing shaft gear is provided with a reversing shaft gear front sliding bearing, the rear end of the reversing clutch is provided with a reversing clutch rear sliding bearing, the front end of the reversing clutch is provided with a reversing clutch front sliding bearing, the reversing shaft gear rear sliding bearing, the reversing shaft gear front sliding bearing, the reversing clutch rear sliding bearing and the reversing clutch front sliding bearing are of double-half split structures and are installed on a reversing clutch part and a box body part through bolts and positioning pins, the rear end of the reversing shaft gear rear sliding bearing is provided with 2 shaft gear thrust bearings, and the shaft gear thrust bearings bear the axial force of the reversing shaft gear.
The rear end of the output shaft is provided with an output shaft rear sliding bearing, the front end of the output shaft is provided with an output shaft front sliding bearing, the output shaft rear sliding bearing and the output shaft front sliding bearing are both of a double-half split structure and are arranged on an output shaft part and a box body part through bolts and positioning pins, the rear end of the output shaft rear sliding bearing is provided with 2 thrust bearings, the thrust bearings respectively bear the thrust and the pulling force of a propeller to enable the ship to move forwards and backwards,
under the condition that the part has no idle load or has small load, the shaft of each part is not in contact with the inner hole of the sliding bearing, so that the gear box provided by the invention can effectively prolong the service life of the bearing of the gear box, the sliding bearing has no slipping galling wear phenomenon compared with a rolling bearing, and the working rotating speed of the gear box is effectively improved.
The input shaft part, the forward clutch part, the reverse clutch part and the output shaft part of the gear box are provided with the sliding bearings, so that the problem of galling and abrasion of rolling elements of the rolling bearings can be avoided, the service life of the bearings of the gear box is effectively prolonged, the working rotating speed of the gear box is increased (the working rotating speed of the rolling bearings is limited), and the noise of the gear box is reduced.
Compared with a rolling bearing, the sliding bearing of the gear box has low price and can effectively reduce the cost of the gear box.
Drawings
Fig. 1 is a transmission principle diagram of the present invention.
FIG. 2 is a view of the input shaft assembly of the present invention.
FIG. 3 is a diagram of the present invention clutch components in-sequence.
FIG. 4 is a diagram of a reverse clutch component of the present invention.
Fig. 5 is a diagram of an output shaft component of the present invention.
Fig. 6 is a structural view of the present invention.
Seventh, detailed description of the invention
The invention will be described in detail below with reference to the following figures: as shown in figures 1-6, the marine high-power gear box with a full-sliding bearing structure comprises a box body 5, an input shaft part 1, a forward clutch part 2, a reverse clutch part 3 and an output shaft part 4 are arranged in the box body, an input shaft rear sliding bearing a is arranged at the rear end of the input shaft, an input shaft front sliding bearing b is arranged at the front end of the input shaft, the input shaft front sliding bearing b and the input shaft rear sliding bearing a are of a double-half split structure and are arranged on the input shaft part 1 and the box body part 5 through bolts and positioning pins, a forward shaft gear rear sliding bearing e is arranged at the rear end of the forward shaft gear, a forward shaft gear front sliding bearing f is arranged at the front end of the forward shaft gear, a forward clutch rear sliding bearing g is arranged at the rear end of the forward clutch, a forward clutch front sliding bearing h is arranged at the front end of the forward clutch, the sliding bearings are of a double-half split structure and are mounted on the forward clutch part 2 and the box body part 5 through bolts and positioning pins, a shaft gear thrust bearing c and a shaft gear thrust bearing d are further arranged at the rear end of the backward sliding bearing e of the forward shaft gear, and the shaft gear thrust bearing c and the shaft gear thrust bearing d bear the axial force of the forward shaft gear.
2. The marine high-power gearbox with full-sliding bearing structure according to claim 1, characterized in that the rear end of the reverse shaft gear is provided with a reverse shaft gear rear sliding bearing k, the front end of the reverse shaft gear is provided with a reverse shaft gear front sliding bearing I, the rear end of the reverse clutch is provided with a reverse clutch rear sliding bearing m, the front end of the reverse clutch is provided with a reverse clutch front sliding bearing n, and the reverse shaft gear rear sliding bearing K, the reverse shaft gear front sliding bearing I, the reverse clutch rear sliding bearing m and the sliding bearing n are all of a double-half split structure, and is arranged on the reversing clutch component 3 and the box body component 5 through bolts and positioning pins, the rear end of the shaft gear rear sliding bearing K is provided with a shaft gear thrust bearing i and a shaft gear thrust bearing j, and the shaft gear thrust bearing i and the shaft gear thrust bearing j bear the axial force of the reversing shaft gear.
3. The marine high-power gearbox with full-sliding bearing structure according to claim 1, characterized in that the rear end of the output shaft is provided with an output shaft rear sliding bearing q, the front end of the output shaft is provided with an output shaft front sliding bearing r, the output shaft rear sliding bearing q and the output shaft front sliding bearing r are both of a double-half split structure and are mounted on the output shaft part 4 and the box body part 5 through bolts and positioning pins, the rear end of the output shaft rear sliding bearing q is provided with a thrust bearing o and a thrust bearing p, and the thrust bearing p and the thrust bearing o respectively bear the thrust and the pulling force of a propeller to enable the ship to move forward and backward.
The specific working process of the invention is as follows:
the power of the diesel engine is transmitted to an input flange of an input shaft part 1 of the gear box through a flywheel and a high-elasticity coupler of the diesel engine, and the input gear rotates to drive an input driven gear of a forward clutch part 2, a forward clutch and a reverse clutch of a reverse clutch part 3 to rotate.
Advancing a ship: the forward clutch of the forward clutch component 2 is combined (at the moment, the reverse clutch of the reverse clutch component 3 is disengaged), power is transmitted to the forward shaft gear, the forward shaft gear is meshed with the output large gear of the output shaft component 4 to drive the output shaft to rotate, so that the propeller is driven to rotate, the thrust bearing p bears the thrust of the propeller to enable the ship to move forward, and the thrust bearings c and d of the shaft gear bear the axial force of the forward shaft gear. At this time, the reverse shaft gear is also meshed with the output large gear, the output large gear drives the reverse shaft gear to rotate reversely, the reverse clutch component 3 is in an idle state, and the sliding bearing only bears part of the weight of the component and operates in a basically no-load state.
And (3) backing up the ship: the reverse clutch of the reverse clutch component 3 is combined (at the moment, the forward clutch of the forward clutch component 2 is disengaged), a forward clutch shell gear is meshed with a reverse clutch shell gear, power is transmitted to a reverse shaft gear, the reverse shaft gear is meshed with an output large gear of the output shaft component 4 to drive the output shaft to rotate reversely, so that the propeller is driven to rotate reversely, the thrust bearing o bears the pulling force of the propeller to enable the ship to reverse, and the thrust bearings i and j of the shaft gear bear the axial force of the reverse shaft gear. At the moment, the forward axle gear is also meshed with the output large gear, the output large gear reversely drives the forward axle gear to rotate, the forward axle gear is in an idle running state, and the sliding bearing only bears partial weight of the forward axle gear and basically runs in a no-load state.
And (3) parking the ship: when the diesel engine works, the forward clutch of the forward clutch component 2 and the reverse clutch of the reverse clutch component 3 are disengaged, at the moment, the input shaft component 1, the forward clutch of the forward clutch component 2 and the reverse clutch of the reverse clutch component 3 all idle, and the sliding bearing only bears partial weight of each component and basically runs in a no-load state.
Claims (3)
1. A ship high-power gear box with a full-sliding bearing structure comprises a box body (5) body, and is characterized in that an input shaft part (1), a forward clutch part (2), a reverse clutch part (3) and an output shaft part (4) are arranged in the box body, the rear end of the input shaft is provided with an input shaft rear sliding bearing (a), the front end of the input shaft is provided with an input shaft front sliding bearing (b), the input shaft front sliding bearing (b) and the input shaft rear sliding bearing (a) are of a double-half split structure, and are arranged on the input shaft part (1) and the box body part (5) through bolts and positioning pins; the front end of the front axle gear is provided with a front sliding bearing (e) of the front axle gear, the front end of the front axle gear is provided with a front sliding bearing (f) of the front axle gear, the rear end of the front axle clutch is provided with a rear sliding bearing (g) of the front axle clutch, the front end of the front axle clutch is provided with a front sliding bearing (h) of the front axle clutch, the bearings are of a double-half split structure and are installed on a front axle clutch component (2) and a box component (5) through bolts and positioning pins, the rear end of the front axle gear rear sliding bearing (e) is further provided with an axle gear thrust bearing (c) and an axle gear thrust bearing (d), and the axle gear thrust bearing (c) and the axle gear thrust bearing (d) bear the axial force of the front axle gear.
2. The marine high-power gearbox with the full-sliding bearing structure according to claim 1, characterized in that a reverse shaft gear rear sliding bearing (k) is arranged at the rear end of the reverse shaft gear, a reverse shaft gear front sliding bearing (I) is arranged at the front end of the reverse shaft gear, a reverse clutch rear sliding bearing (m) is arranged at the rear end of the reverse clutch, a reverse clutch front sliding bearing (n) is arranged at the front end of the reverse clutch, the reverse shaft gear rear sliding bearing (k), the reverse shaft gear front sliding bearing (I), the reverse clutch rear sliding bearing (m) and the reverse clutch front sliding bearing (n) are of a double-half split structure and are arranged on a reverse clutch part (3) and a box part (5) through bolts and positioning pins, a shaft gear thrust bearing (I) and a shaft gear thrust bearing (j) are arranged at the rear end of the reverse shaft gear rear sliding bearing (k), and the shaft gear thrust bearing (i) and the shaft gear thrust bearing (j) bear the axial force of the reversing shaft gear.
3. The marine high power gearbox with full sliding bearing structure according to claim 1, characterized in that the rear end of the output shaft is provided with an output shaft rear sliding bearing (q), the front end of the output shaft is provided with an output shaft front sliding bearing (r), the output shaft rear sliding bearing (q) and the output shaft front sliding bearing (r) are both of a double-half split structure and are installed on the output shaft part (4) and the box body part (5) through bolts and positioning pins, the rear end of the output shaft rear sliding bearing (q) is provided with a thrust bearing (o) and a thrust bearing (p), and the thrust bearing (p) and the thrust bearing (o) respectively bear the thrust and the pulling force of the propeller to enable the marine to move forward and backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332728.3A CN111005989A (en) | 2019-12-22 | 2019-12-22 | Marine high-power gear box with full-sliding bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332728.3A CN111005989A (en) | 2019-12-22 | 2019-12-22 | Marine high-power gear box with full-sliding bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111005989A true CN111005989A (en) | 2020-04-14 |
Family
ID=70116677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911332728.3A Pending CN111005989A (en) | 2019-12-22 | 2019-12-22 | Marine high-power gear box with full-sliding bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111005989A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513574A (en) * | 2021-04-19 | 2021-10-19 | 顾海港 | Clutch part of high-power marine gearbox |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201078440Y (en) * | 2007-08-20 | 2008-06-25 | 杭州前进齿轮箱集团有限公司 | High power gearbox for ship |
| CN202007867U (en) * | 2011-04-07 | 2011-10-12 | 杭州前进齿轮箱集团股份有限公司 | Multi-purpose marine gear box |
| CN202545711U (en) * | 2012-03-30 | 2012-11-21 | 杭州前进齿轮箱集团股份有限公司 | High-power light-weight reduction clutch gearbox |
| CN104913026A (en) * | 2015-06-16 | 2015-09-16 | 南京高精齿轮集团有限公司 | Vertical-mill gearbox with pure-sliding bearing configuration structure |
| CN106438949A (en) * | 2016-12-16 | 2017-02-22 | 湖南南方宇航高精传动有限公司 | Improved gearbox drive assembly supporting structure |
| CN211778780U (en) * | 2019-12-22 | 2020-10-27 | 杭州前进齿轮箱集团股份有限公司 | Marine gearbox with full-sliding bearing structure |
-
2019
- 2019-12-22 CN CN201911332728.3A patent/CN111005989A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201078440Y (en) * | 2007-08-20 | 2008-06-25 | 杭州前进齿轮箱集团有限公司 | High power gearbox for ship |
| CN202007867U (en) * | 2011-04-07 | 2011-10-12 | 杭州前进齿轮箱集团股份有限公司 | Multi-purpose marine gear box |
| CN202545711U (en) * | 2012-03-30 | 2012-11-21 | 杭州前进齿轮箱集团股份有限公司 | High-power light-weight reduction clutch gearbox |
| CN104913026A (en) * | 2015-06-16 | 2015-09-16 | 南京高精齿轮集团有限公司 | Vertical-mill gearbox with pure-sliding bearing configuration structure |
| CN106438949A (en) * | 2016-12-16 | 2017-02-22 | 湖南南方宇航高精传动有限公司 | Improved gearbox drive assembly supporting structure |
| CN211778780U (en) * | 2019-12-22 | 2020-10-27 | 杭州前进齿轮箱集团股份有限公司 | Marine gearbox with full-sliding bearing structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513574A (en) * | 2021-04-19 | 2021-10-19 | 顾海港 | Clutch part of high-power marine gearbox |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11267329B2 (en) | Power system for hybrid vehicle | |
| CN211778780U (en) | Marine gearbox with full-sliding bearing structure | |
| CN101412439A (en) | Gearbox for ship having paralleled twin-engine with PTO and clutch | |
| CN111005989A (en) | Marine high-power gear box with full-sliding bearing structure | |
| CN102943858B (en) | A kind of high-speed ship gear-box | |
| CN202130568U (en) | High-power decelerating clutch gearbox with PTO and PTI functions | |
| CN203332382U (en) | Clutch double-speed gearbox with brake for ship | |
| CN102384227B (en) | Dual-speed-ratio gearbox for ships | |
| CN102537267A (en) | Hydraulic torque converter for fork truck | |
| CN110758083A (en) | New energy vehicle power system and control method thereof | |
| CN107165988B (en) | Two keep off dead axle formula gearbox | |
| CN111059263A (en) | New forms of energy oil electricity double dynamical input gear box | |
| CN204323673U (en) | For testing the special gear box of diesel engine performance | |
| US3404586A (en) | Outboard motor transmission | |
| CN110758082B (en) | New energy vehicle power coupling device and control method thereof | |
| CN212250992U (en) | Wet-type single-clutch two-gear transmission | |
| CN203743379U (en) | Single input and multiple output clutch transfer case | |
| CN209892696U (en) | Bevel transmission marine gearbox | |
| CN202545701U (en) | Gearbox for vehicles and vessels with power output/power input (PTO/PTI) | |
| CN111577842A (en) | Wet-type single-clutch two-gear transmission | |
| CN206012926U (en) | The clutch double speed gear of band brake | |
| CN2937653Y (en) | Clearance operating reducer | |
| CN101254749A (en) | Automobile fuel-economizing inertia gliding apparatus | |
| CN110758081B (en) | Power coupling device of new energy vehicle power system and control method thereof | |
| CN109210171B (en) | Gear box for forklift |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200414 |