CN218718642U - Marine gear box oil pump driving device - Google Patents
Marine gear box oil pump driving device Download PDFInfo
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- CN218718642U CN218718642U CN202222590363.8U CN202222590363U CN218718642U CN 218718642 U CN218718642 U CN 218718642U CN 202222590363 U CN202222590363 U CN 202222590363U CN 218718642 U CN218718642 U CN 218718642U
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- oil pump
- oil
- driven gear
- deep groove
- shaft
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Abstract
The utility model provides a marine gear box oil pump drive arrangement uses two deep groove ball bearings to support oil pump driven gear, replaces traditional oil pump driven gear's cantilever structure, is showing and is reducing oil pump self bearing load, has avoided the unbalance loading of flank of tooth between oil pump owner, driven gear, has improved oil pump self bearing and the vice life-span of gear. Meanwhile, the driven gear of the oil pump is supported by two ends instead of a cantilever, the supporting rigidity is obviously enhanced, the eccentric load generated when the gear pair of the oil pump and the driven gear works is avoided, further the failures of tooth surface peeling, gluing and the like are generated, the service life of the gear pair of the oil pump and the driven gear is prolonged, the transmission efficiency is improved, the transmission load of the shaft of the oil pump is reduced, the fracture of the shaft of the oil pump is avoided, and the reliability is obviously improved.
Description
Technical Field
The utility model relates to a marine gear box technical field, concretely relates to marine gear box oil pump drive.
Background
A marine gearbox, which is an important component of a marine main propulsion system, generally includes six major components, i.e., an input member, an output member, an oil pump driving device, a clutch member, a casing member, and a piping member. The oil pump driving device is one of the most complex key parts of the marine gearbox and is used for transmitting power between a clutch spring seat and an oil pump, power is transmitted to an oil pump driving gear through the spring seat, an oil pump shaft and a spline between the oil pump shaft and an oil pump driving gear, the oil pump driving gear is meshed with an oil pump driven gear, the rotating speed is matched with the optimal working rotating speed of the oil pump and the power is transmitted, then the oil pump driven gear transmits the power to the oil pump, finally, working oil and lubricating oil for clutch work and lubricating oil at each bearing, gear pair and other parts are provided for the gearbox, and effective operation of the gearbox is guaranteed.
As shown in fig. 1, in the conventional oil pump driving device, an oil pump driven gear (piece 6) is arranged as a cantilever, the oil pump driven gear is directly installed on an oil pump shaft through a flat key and a screw, and generally lacks a shaft head bearing load capacity data because of an oil pump, when the shaft head of the oil pump bears an external radial force, the service life of a bearing of the oil pump cannot be accurately calculated, when the power of the oil pump is large, the tooth surface between the oil pump main gear and the driven gear (piece 15 and the piece 6) is prone to unbalance loading, the tooth surface is peeled off or glued after long-time or even short-time operation, and then the oil pump shaft (piece 11) is broken at the most dangerous section, a spherical roller bearing is damaged, finally, clutch working oil and lubricating oil as well as lubricating oil at each bearing, gear pair and other parts cannot be provided for a gear box, and a ship loses power, thereby causing great loss.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a marine gear box oil pump drive, through using two deep groove ball bearings to support oil pump driven gear, replace traditional oil pump driven gear's cantilever structure, showing and having reduced oil pump self bearing load, avoided the unbalance loading of flank of tooth between oil pump owner, driven gear, improved oil pump self bearing and gear pair's life-span.
The utility model aims at realizing through the following technical scheme: the utility model provides a marine gear box oil pump drive arrangement, includes distance ring, screw, adjustment pad, bearing housing, oil pump driven gear, left end deep groove ball bearing, right-hand member deep groove ball bearing, plug, first O type circle, oil pump axle, bush, left end spherical roller bearing, right-hand member spherical roller bearing, oil pump driving gear, retaining ring, for the axle circlip, gland, glib talker, oil feed end cover, second O shape circle and elasticity cylindric lock.
Wherein, the bearing housing is arranged at the upper part of the oil pump shell.
The left end of the oil pump driven gear is installed in the bearing sleeve through a left end deep groove ball bearing, and the right end of the oil pump driven gear is installed on the upper portion of the oil pump shell through a right end deep groove ball bearing, so that a double-support structure is formed.
The inner hole of the driven gear of the oil pump is in clearance fit with the shaft head of the oil pump.
The oil pump driving gear is installed on the lower portion of the oil pump shell through the left end spherical roller bearing and the right end spherical roller bearing.
The oil pump shaft is arranged in the oil pump driving gear through a spline, and the axial positioning of the oil pump shaft and the oil pump driving gear is fixed by a check ring and an elastic check ring for a shaft.
The axial position of the oil pump driving gear is fixed by a left end spherical roller bearing and a right end spherical roller bearing, wherein the axial positioning of the left end spherical roller bearing is fixed by a distance ring and a gland, and the axial positioning of the right end spherical roller bearing is fixed by a bush.
The axial position of the oil pump driven gear is fixed by a left end deep groove ball bearing and a right end deep groove ball bearing, the axial positioning of the left end deep groove ball bearing is fixed by an adjusting pad and a bearing sleeve, and the axial positioning of the right end deep groove ball bearing is fixed by an oil pump shell.
The screw is a technical plug in a lubricating oil path of the left deep groove ball bearing and the right deep groove ball bearing.
The screw plug is used for fixing the circumferential rotation of the four-point contact ball bearing in the adjacent clutch part sleeve.
The first O-shaped ring provides sealing for the oil pump shaft and an adjacent clutch portion sleeve.
The oil nozzle, the oil inlet end cover, the second O-shaped ring and the elastic cylindrical pin are used as a clutch working oil inlet device, and the oil nozzle is matched with an oil pump shaft to provide working oil pressure for the clutch.
The oil nozzle is axially positioned by the gland and the oil inlet end cover, and the elastic cylindrical pin is used for fixing the circumferential rotation of the oil nozzle.
The second O-shaped ring provides sealing for the joint surface of the oil nozzle and the gland.
Preferably, the right end of the oil pump shaft extends deep into the clutch cylinder.
Preferably, the oil pump shaft is hollow, working oil is provided for the clutch through the oil nozzle, and the oil nozzle is in small clearance fit with the oil pump shaft.
Preferably, the excircle at the right end of the bushing is in small clearance fit with a gland in the clutch part sleeve, and a clutch lubricating oil channel is arranged between the bushing and the oil pump shaft to take away heat emitted by the clutch connection and disconnection.
Compared with the prior art, the utility model discloses possess following advantage:
the utility model provides a pair of marine gear box oil pump drive supports oil pump driven gear through two deep groove ball bearings, replaces traditional oil pump driven gear cantilever structure, is showing and is reducing oil pump self bearing load, has improved oil pump self bearing life-span. Meanwhile, because the driven gear of the oil pump is supported by two ends instead of a cantilever, the supporting rigidity is obviously enhanced, the unbalance loading generated when the gear pair of the oil pump driving gear and the driven gear works is avoided, further the failures of peeling of the tooth surface, gluing and the like are generated, and the service life of the gear pair of the oil pump driving gear and the driven gear is prolonged. The meshing of the driving gear and the driven gear of the oil pump is smoother, the transmission efficiency is improved, the transmission load of the oil pump shaft is reduced, the oil pump shaft is prevented from being broken, and the reliability is obviously improved.
The utility model provides a pair of marine gear box oil pump drive arrangement adopts clearance fit between oil pump driven gear hole and the oil pump axle, avoids producing between oil pump driven gear's deep groove ball bearing and the oil pump self bearing and fixes a position.
The utility model provides a pair of marine gear box oil pump drive arrangement has changed lubricating oil bush and gear shaft cooperation mode, and the bush changes into the gland hole cooperation in covering with clutch portion by cooperating with the gear shaft hole, and the gear shaft hole no longer needs higher axiality requirement, has reduced the processing degree of difficulty, has reduced the processing cost. The bush and the gear shaft are in small clearance fit, so that lubricating oil leakage can be reduced, and friction heating is avoided.
The utility model provides a pair of marine gear box oil pump drive arrangement has changed the cooperation mode of oil pump shaft and spring holder, and the oil pump shaft inserts the hydro-cylinder, reduces the area that bears operating pressure, reduces oil pump shaft axial atress, increases the spherical roller bearing life-span that supports the oil pump driving gear.
The utility model provides a pair of marine gear box oil pump drive arrangement's oil pump shaft adopts the cavity design, provides the operating oil through the glib talker to the clutch, and the glib talker adopts the booth clearance fit with the oil pump shaft, can reduce the lubricating oil and leak, avoids the frictional heating again.
Drawings
FIG. 1 is a schematic diagram of a conventional marine gearbox oil pump drive;
fig. 2 is a schematic view of a marine gearbox oil pump driving device provided in the present invention;
fig. 3 is a schematic view of the connection between the marine gearbox oil pump driving device and the gearbox clutch component provided in the present invention.
In the figure, 1 is a distance ring; 2 is a screw; 3 is an adjusting pad; 4 is a bearing sleeve; 5 is an oil pump shell; 6 is an oil pump driven gear; 7 is a left end deep groove ball bearing; 8 is a deep groove ball bearing at the right end; 9 is a plug; 10 is a first O-ring; 11 is an oil pump shaft; 12 is a bushing; 13 is a spherical roller bearing at the left end; 14 is a right spherical roller bearing; 15 is an oil pump driving gear; 16 is a check ring; 17 is an elastic retainer ring for a shaft; 18 is a gland; 19 is a nozzle tip; 20 is an oil inlet end cover; 21 is a second O-ring; 22 are resilient cylindrical pins.
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.
As shown in fig. 2, the technical scheme of the utility model provides a marine gear box oil pump drive arrangement, including distance ring 1, screw 2, adjustment pad 3, bearing housing 4, oil pump housing 5, oil pump driven gear 6, left end deep groove ball bearing 7, right-hand member deep groove ball bearing 8, plug 9, first O type circle 10, oil pump shaft 11, bush 12, left end spherical roller bearing 13, right-hand member spherical roller bearing 14, oil pump driving gear 15, retaining ring 16, axle circlip 17, gland 18, glib 19, oil feed end cover 20, second O shape circle 21 and elasticity cylindric lock 22.
Wherein, the bearing sleeve 4 is arranged on the upper part of the oil pump shell 5.
The left end of the oil pump driven gear 6 is installed in the bearing sleeve 4 through a left end deep groove ball bearing 7, and the right end of the oil pump driven gear 6 is installed on the upper portion of the oil pump shell 5 through a right end deep groove ball bearing 8, so that a double-support structure is formed. The oil pump driven gear 6 is supported through the two deep groove ball bearings, so that the load of the oil pump self bearing can be obviously reduced, and the service life of the oil pump self bearing is prolonged. Simultaneously, because oil pump driven gear 6 changes the both ends by the cantilever and supports, support rigidity is showing and is strengthening, has avoided oil pump owner, driven gear pair during operation to produce the unbalance loading, and then produces the flank of tooth and peels off, veneer etc. and become invalid, has improved oil pump owner, driven gear pair life-span. Because the meshing of the driving gear and the driven gear of the oil pump is smoother, the transmission efficiency is improved, the transmission load of the oil pump shaft 11 is reduced, the oil pump shaft 11 is prevented from being broken, and the reliability is obviously improved.
And the inner hole of the oil pump driven gear 6 and the shaft head of the oil pump are in clearance fit, so that the two deep groove ball bearings supporting the oil pump driven gear 6 and the self bearings of the oil pump are prevented from being positioned.
The oil pump drive gear 15 is mounted on the lower portion of the oil pump housing 5 via the left-end spherical roller bearing 13 and the right-end spherical roller bearing 14.
The oil pump shaft 11 is mounted in the oil pump driving gear 15 through a spline, and the axial positioning of the oil pump shaft 11 and the oil pump driving gear 15 is fixed by a retainer ring 16 and a shaft circlip 17.
The axial position of the oil pump driving gear 15 is fixed by the left end spherical roller bearing 13 and the right end spherical roller bearing 14, wherein the axial positioning of the left end spherical roller bearing 13 is fixed by the distance ring 1 and the gland 18, and the axial positioning of the right end spherical roller bearing 14 is fixed by the bush 12.
The axial position of the oil pump driven gear 5 is fixed by a left end deep groove ball bearing 7 and a right end deep groove ball bearing 8, the axial positioning of the left end deep groove ball bearing 7 is fixed by an adjusting pad 3 and a bearing sleeve 4, and the axial positioning of the right end deep groove ball bearing 8 is fixed by an oil pump shell 5.
The screw 2 is a technical plug in a lubricating oil path of a left end deep groove ball bearing 7 and a right end deep groove ball bearing 8.
The screw plug 9 is used for fixing the circumferential rotation of the four-point contact ball bearing in the adjacent clutch part sleeve.
The first O-ring 10 provides a seal for the oil pump shaft 11 to the adjacent clutch pack.
The oil nozzle 19, the oil inlet end cover 20, the second O-shaped ring 21 and the elastic cylindrical pin 22 are an oil inlet device for clutch working oil, and are matched with the oil pump shaft 11 through the oil nozzle 19 to provide working oil pressure for the clutch.
The oil nozzle 19 is axially positioned by the gland 18 and the oil inlet end cover 20, and the elastic cylindrical pin 22 is used for fixing the circumferential rotation of the oil nozzle 19.
The second O-ring 21 provides a seal for the nozzle tip 19 to gland 18 interface.
In some embodiments of the present invention, the right end of the oil pump shaft 11 extends into the clutch cylinder.
In some embodiments of the present invention, the oil pump shaft 11 is hollow, and the oil nozzle 19 is closely clearance-fitted to the oil pump shaft 11. In these embodiments, the above-described mating arrangement reduces oil leakage and avoids frictional heating.
In some embodiments of the present invention, the outer circle of the right end of the bushing 12 is in a small clearance fit with the gland in the clutch sleeve.
As shown in fig. 3, the utility model provides a marine gear box oil pump drive arrangement and gear box clutch part's connected mode as follows among the technical scheme, the little clearance fit of gland in 12 right-hand members excircles of bush and the clutch portion cover, 11 right-hand members of oil pump shaft are deepened to the clutch oil jar, oil pump drive arrangement power is transmitted oil pump shaft 11 by the relevant part of diesel engine drive gear box, 11 power of oil pump shaft passes through the spline and transmits to oil pump driving gear 15, through the gear pair, power transmission is for oil pump driven gear 6, oil pump driven gear 6 is through the flat key with the final transmission oil pump of power, finally realize oil pump drive function. The utility model discloses change bush 12 and gear shaft hole cooperation for the gland little clearance fit in bush 12 and the clutch portion cover for the gear shaft hole no longer needs higher axiality requirement, has reduced the processing degree of difficulty, has reduced the processing cost, and the hydro-cylinder has been inserted to oil pump shaft 11, has reduced the area that bears operating pressure, reduces the axial atress of oil pump shaft 11, can increase the spherical roller bearing life-span that supports oil pump driving gear 15.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A marine gearbox oil pump drive characterized in that: the marine gearbox oil pump driving device comprises a distance ring (1), a screw (2), an adjusting pad (3), a bearing sleeve (4), an oil pump shell (5), an oil pump driven gear (6), a left end deep groove ball bearing (7), a right end deep groove ball bearing (8), a plug (9), a first O-shaped ring (10), an oil pump shaft (11), a bushing (12), a left end spherical roller bearing (13), a right end spherical roller bearing (14), an oil pump driving gear (15), a check ring (16), a shaft elastic check ring (17), a gland (18), an oil nozzle (19), an oil inlet end cover (20), a second O-shaped ring (21) and an elastic cylindrical pin (22);
wherein the bearing sleeve (4) is mounted on the upper part of the oil pump shell (5);
the left end of the oil pump driven gear (6) is installed in the bearing sleeve (4) through the left end deep groove ball bearing (7), and the right end of the oil pump driven gear (6) is installed on the upper portion of the oil pump shell (5) through the right end deep groove ball bearing (8) to form a double-support structure;
the inner hole of the oil pump driven gear (6) is in clearance fit with the shaft head of the oil pump;
the oil pump driving gear (15) is installed on the lower part of the oil pump shell (5) through the left end spherical roller bearing (13) and the right end spherical roller bearing (14);
the oil pump shaft (11) is arranged in the oil pump driving gear (15) through a spline, and the axial positioning of the oil pump shaft (11) and the oil pump driving gear (15) is fixed by the retainer ring (16) and the elastic retainer ring (17) for the shaft;
the axial position of the oil pump driving gear (15) is fixed by the left end spherical roller bearing (13) and the right end spherical roller bearing (14), wherein the axial positioning of the left end spherical roller bearing (13) is fixed by the distance ring (1) and the gland (18), and the axial positioning of the right end spherical roller bearing (14) is fixed by the bushing (12);
the axial position of the oil pump driven gear (6) is fixed by the left end deep groove ball bearing (7) and the right end deep groove ball bearing (8), the axial positioning of the left end deep groove ball bearing (7) is fixed by the adjusting pad (3) and the bearing sleeve (4), and the axial positioning of the right end deep groove ball bearing (8) is fixed by the oil pump shell (5);
the screw (2) is a process plug in a lubricating oil path of the left end deep groove ball bearing (7) and the right end deep groove ball bearing (8);
the plug (9) is used for fixing the circumferential rotation of a four-point contact ball bearing in the adjacent clutch part sleeve;
the first O-shaped ring (10) provides sealing for the oil pump shaft (11) and an adjacent clutch part sleeve;
the oil nozzle (19), the oil inlet end cover (20), the second O-shaped ring (21) and the elastic cylindrical pin (22) are clutch working oil inlet devices, and the oil nozzle (19) is matched with the oil pump shaft (11) to provide working oil pressure for the clutch;
the oil nozzle (19) is axially positioned by the gland (18) and the oil inlet end cover (20), and the elastic cylindrical pin (22) is used for fixing the circumferential rotation of the oil nozzle (19);
the second O-shaped ring (21) provides sealing for the joint surface of the oil nozzle (19) and the gland (18).
2. A marine gearbox oil pump drive as set forth in claim 1, characterized in that: the right end of the oil pump shaft (11) extends into the clutch oil cylinder.
3. A marine gearbox oil pump drive as set forth in claim 1, characterized in that: the oil pump shaft (11) is hollow.
4. A marine gearbox oil pump drive as set forth in claim 1, characterized in that: the oil nozzle (19) is in small clearance fit with the oil pump shaft (11).
5. A marine gearbox oil pump drive as set forth in claim 1, characterized in that: and the excircle of the right end of the bushing (12) is in small clearance fit with a gland in the clutch part sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222590363.8U CN218718642U (en) | 2022-09-29 | 2022-09-29 | Marine gear box oil pump driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222590363.8U CN218718642U (en) | 2022-09-29 | 2022-09-29 | Marine gear box oil pump driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218718642U true CN218718642U (en) | 2023-03-24 |
Family
ID=85638444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222590363.8U Active CN218718642U (en) | 2022-09-29 | 2022-09-29 | Marine gear box oil pump driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218718642U (en) |
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2022
- 2022-09-29 CN CN202222590363.8U patent/CN218718642U/en active Active
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