CN102748575B - Lubricating oil pump transmission device - Google Patents
Lubricating oil pump transmission device Download PDFInfo
- Publication number
- CN102748575B CN102748575B CN201210228130.1A CN201210228130A CN102748575B CN 102748575 B CN102748575 B CN 102748575B CN 201210228130 A CN201210228130 A CN 201210228130A CN 102748575 B CN102748575 B CN 102748575B
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- China
- Prior art keywords
- lubricating oil
- oil pump
- bent axle
- pump transmission
- crankshaft gear
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Abstract
The invention provides a kind of lubricating oil pump transmission device.According to lubricating oil pump transmission device of the present invention, comprise bent axle; Lubricating oil pump transmission shaft, the central axis along bent axle is arranged, and one end and bent axle are in transmission connection directly or indirectly, so that the power from bent axle is sent to lubricating oil pump inside.By using lubricating oil pump transmission shaft to carry out transmission, instead of a large amount of gear, shortening Transmitted chains, reducing mechanical loss; Structure is simple, lightweight, is convenient to processing, low cost of manufacture.
Description
Technical field
The present invention relates to aeroengine field, especially, relate to a kind of lubricating oil pump transmission device.
Background technique
During aviation piston engine work, engine part is relative displacement association friction and heat release at work.Especially go to overcome friction without more mechanical work need be consumed during the dry surperficial relative movement of lubricating.For ensureing that friction parts obtains proper lubrication and cooling, a certain amount of lubricating oil should be had within the unit time to pass through motor, therefore aviation piston engine is all designed with lubricating oil pump, and the lubricating oil pump of existing aviation piston engine generally adopts gear-driven mode to drive.Complex structure, Heavy Weight; Involute gear processing technology is complicated, needs to adopt dedicated tool to carry out processing involute profile, and front current cost drops into higher; Transmission chain length, part is many, and mechanical loss is large.
Summary of the invention
The object of the invention is to provide a kind of lubricating oil pump transmission device, to solve transmission chain length, and the technical problem that cost is higher.
For achieving the above object, the invention provides a kind of lubricating oil pump transmission device, comprise bent axle; Lubricating oil pump transmission shaft, the central axis along bent axle is arranged, and one end and bent axle are in transmission connection directly or indirectly, so that the power from bent axle is sent to lubricating oil pump inside.
Further, be provided with crankshaft gear between bent axle and lubricating oil pump transmission shaft, the first end of crankshaft gear is connected with crank-driven, and the second end of crankshaft gear drives with lubricating oil pump transmission shaft and is connected.
Further, the first end of crankshaft gear is flange plate, and the second end of crankshaft gear is gear structure.
Further, gear structure is provided with boss for being connected with lubricating oil pump transmission shaft along axis direction.
Further, crankshaft gear is provided with through hole along axis direction, and crankshaft gear is connected by the screw through through hole with bent axle.
Further, flange plate is provided with the positioning pin hole for locating bent axle and crankshaft gear.
Further, one end of lubricating oil pump transmission shaft is provided with the groove matched with boss, and boss inserts in groove.
Further, the circumferential surface of the other end of lubricating oil pump transmission shaft is provided with the flat attachment face for installing lubricating oil pump driving gear.
Further, bent axle is provided with the locating recess for locating crankshaft gear.
The present invention has following beneficial effect:
By using lubricating oil pump transmission shaft to carry out transmission, instead of a large amount of gear, shortening Transmitted chains, reducing mechanical loss; Structure is simple, lightweight, is convenient to processing, low cost of manufacture.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to lubricating oil pump transmission device of the present invention;
Fig. 2 is the axle side schematic diagram of the crankshaft gear according to lubricating oil pump transmission device of the present invention;
Fig. 3 is the plan view of the crankshaft gear according to lubricating oil pump transmission device of the present invention;
Fig. 4 is that the A-A of Fig. 3 is to cross-sectional schematic;
Fig. 5 is the schematic diagram of the lubricating oil pump transmission shaft according to lubricating oil pump transmission device of the present invention;
Fig. 6 be according to the cross-sectional schematic of the lubricating oil pump transmission shaft of lubricating oil pump transmission device of the present invention and
Fig. 7 is the bent axle schematic diagram according to lubricating oil pump transmission device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
See Fig. 1, according to lubricating oil pump transmission device of the present invention, comprising: bent axle 10; Lubricating oil pump transmission shaft 30, the central axis along bent axle 10 is arranged, and one end and bent axle 10 are in transmission connection directly or indirectly, so that the power from bent axle 10 is sent to lubricating oil pump inside.By using lubricating oil pump transmission shaft 30 to carry out transmission, instead of a large amount of gear, shortening Transmitted chains, reducing mechanical loss; Structure is simple, lightweight, is convenient to processing, low cost of manufacture.
See Fig. 2 to Fig. 4, be provided with crankshaft gear 20 between bent axle 10 and lubricating oil pump transmission shaft 30, the first end of crankshaft gear 20 drives with bent axle 10 and is connected, and the second end of crankshaft gear 20 drives with lubricating oil pump transmission shaft 30 and is connected.The first end of crankshaft gear 20 is flange plate 22, and the second end of crankshaft gear 20 is gear structure 21.Gear structure 21 is provided with the boss 211 for being connected with lubricating oil pump transmission shaft 30 along axis direction.Crankshaft gear 20 is provided with through hole 23 along axis direction, and crankshaft gear 20 and bent axle 10 are by being connected through the screw of through hole 23.Flange plate 22 is provided with the positioning pin hole 221 for locating bent axle 10 and crankshaft gear 20.
See Fig. 5 and Fig. 6, one end of lubricating oil pump transmission shaft 30 is provided with the groove 31 matched with boss 211, and boss 211 inserts in groove 31.The circumferential surface of the other end of lubricating oil pump transmission shaft 30 is provided with the flat attachment face 32 for installing lubricating oil pump driving gear.
See Fig. 7, bent axle 10 is provided with the locating recess 13 for locating crankshaft gear 20.
See Fig. 1 and Fig. 7, the transmission device of motor oil pump of the present invention is mainly made up of bent axle 10, crankshaft gear 20 and lubricating oil pump transmission shaft 30.The end of bent axle 10 is stretched out from motor body 40, the end of bent axle 10 is designed with a counterbore, this counterbore is the mounting hole of crankshaft gear 20, crankshaft gear 20 first end cylindrical therewith mounting hole is Spielpassung, the edge of counterbore is provided with locating face 13, play the effect of crankshaft gear 20 radial direction and axially locating, a tapped hole 11 and second positioning pin hole 12 is designed with in counterbore, tapped hole 11 compresses the screw 24 of crankshaft gear 20 for installing, crankshaft gear 20 and bent axle 10 are rotated simultaneously, locking plate 25 is used during mounting screw 24, ensure the firm of screw 24, second positioning pin hole 12 is for having installed angle location and the locating stud 222 of transmitting portions moment.
As shown in Figures 2 to 4, uniformly on crankshaft gear 20 axial locating surface with bent axle 10 be provided with three annular breach and a positioning pin hole 221, three annular breach are mainly in order to alleviate the weight of motor, and positioning pin hole 221 is for having installed angle location and the locating stud 12 of transmitting portions moment; A boss 211 is designed with, mainly in order to transmit the moment driving lubricating oil pump transmission shaft 30 at the second end of crankshaft gear 20; Gear structure 21 is had, for driving magnetogenerator, camshaft drive gear and fuel pump at crankshaft gear 20 medium design.
See Fig. 5 and Fig. 6, a lubricating oil pump transmission shaft 30 milling groove 31, mainly in order to the boss 211 of the second end with crankshaft gear 20 coordinates, transmits the moment driving lubricating oil pump transmission shaft 30; Lubricating oil pump transmission shaft 30 middle circle cylinder be milled into two planes, mainly in order to coordinate with lubricating oil pump driving gear 53, transmit the moment driving lubricating oil pump driving gear 53.
As shown in Figure 1, crankshaft gear 20 first end flange plate 22 coordinates with the counterbore of bent axle 10 kind of drive, by locating stud 12, locking plate 25 and screw 24, is arranged on bent axle 10 by crankshaft gear 20.Crankshaft gear 20 second end is provided with two milling planes, forms a boss 211, and during assembling, the boss 211 of crankshaft gear 20 inserts in the groove 31 of lubricating oil pump transmission shaft 30, drives lubricating oil pump transmission shaft 30 to rotate.Lubricating oil pump transmission shaft 30 intermediate section is square shaft, namely with the mounting plane 32 be parallel to each other, mounting plane 32 inserts in the square opening of lubricating oil pump driving gear 53, drives lubricating oil pump driving gear 53 to rotate, lubricating oil pump driving gear 53 driving lubricating oil pump driven gears 55.Wherein lubricating oil pump driven gear 55 endoporus and lubricating oil pump driven shaft 54 cylindrical interference fit, lubricating oil pump driven shaft 54 two ends are bearing in bonnet 52 respectively with on the lubricating oil pump housing 51.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
By using crankshaft gear and lubricating oil pump transmission shaft to carry out transmission, instead of a large amount of gear, shortening Transmitted chains, reducing mechanical loss; Structure is simple, lightweight, is convenient to processing, low cost of manufacture.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a lubricating oil pump transmission device, is characterized in that, comprising:
Bent axle (10);
Lubricating oil pump transmission shaft (30), the central axis along described bent axle (10) is arranged, and one end and described bent axle (10) are in transmission connection indirectly, so that the power from described bent axle (10) is sent to lubricating oil pump inside;
Crankshaft gear (20) is provided with between described bent axle (10) and described lubricating oil pump transmission shaft (30), the first end of described crankshaft gear (20) drives with described bent axle (10) and is connected, and the second end of described crankshaft gear (20) drives with described lubricating oil pump transmission shaft (30) and is connected;
The first end of described crankshaft gear (20) is flange plate (22), and the second end of described crankshaft gear (20) is gear structure (21); Described crankshaft gear (20) is provided with through hole (23) along axis direction, and described crankshaft gear (20) and described bent axle (10) are by being connected through the screw of described through hole (23);
Uniformly on the axial locating surface of described crankshaft gear (20) and described bent axle (10) be provided with three annular breach.
2. lubricating oil pump transmission device according to claim 1, is characterized in that, described gear structure (21) is provided with the boss (211) for being connected with described lubricating oil pump transmission shaft (30) along axis direction.
3. lubricating oil pump transmission device according to claim 1, it is characterized in that, described flange plate (22) being provided with the positioning pin hole (221) for locating described bent axle (10) and described crankshaft gear (20).
4. lubricating oil pump transmission device according to claim 2, it is characterized in that, one end of described lubricating oil pump transmission shaft (30) is provided with the groove (31) matched with described boss (211), and described boss (211) inserts in described groove (31).
5. lubricating oil pump transmission device according to claim 1, is characterized in that, the circumferential surface of the other end of described lubricating oil pump transmission shaft (30) is provided with the flat attachment face (32) for installing lubricating oil pump driving gear.
6. lubricating oil pump transmission device according to claim 1, is characterized in that, described bent axle (10) is provided with the locating recess (13) for locating described crankshaft gear (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210228130.1A CN102748575B (en) | 2012-07-03 | 2012-07-03 | Lubricating oil pump transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210228130.1A CN102748575B (en) | 2012-07-03 | 2012-07-03 | Lubricating oil pump transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102748575A CN102748575A (en) | 2012-10-24 |
| CN102748575B true CN102748575B (en) | 2016-01-06 |
Family
ID=47028977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210228130.1A Active CN102748575B (en) | 2012-07-03 | 2012-07-03 | Lubricating oil pump transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102748575B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB305016A (en) * | 1928-01-28 | 1929-08-22 | Marius Jean Baptiste Barbarou | Arrangement for oil pumps upon aviation engines |
| US5215165A (en) * | 1991-02-19 | 1993-06-01 | Atsugi Unisia Corporation | Oil pump |
| US5476373A (en) * | 1994-11-14 | 1995-12-19 | Carrier Corporation | Reverse drive oil pump |
| CN201703428U (en) * | 2010-06-04 | 2011-01-12 | 广西玉柴机器股份有限公司 | Transmission mechanism |
| CN202274272U (en) * | 2011-10-25 | 2012-06-13 | 力帆实业(集团)股份有限公司 | Positioning structure for oil pump of engine |
-
2012
- 2012-07-03 CN CN201210228130.1A patent/CN102748575B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB305016A (en) * | 1928-01-28 | 1929-08-22 | Marius Jean Baptiste Barbarou | Arrangement for oil pumps upon aviation engines |
| US5215165A (en) * | 1991-02-19 | 1993-06-01 | Atsugi Unisia Corporation | Oil pump |
| US5476373A (en) * | 1994-11-14 | 1995-12-19 | Carrier Corporation | Reverse drive oil pump |
| CN201703428U (en) * | 2010-06-04 | 2011-01-12 | 广西玉柴机器股份有限公司 | Transmission mechanism |
| CN202274272U (en) * | 2011-10-25 | 2012-06-13 | 力帆实业(集团)股份有限公司 | Positioning structure for oil pump of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102748575A (en) | 2012-10-24 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |