CN204984633U - Aircraft engines's bent axle box and engine - Google Patents
Aircraft engines's bent axle box and engine Download PDFInfo
- Publication number
- CN204984633U CN204984633U CN201520799167.9U CN201520799167U CN204984633U CN 204984633 U CN204984633 U CN 204984633U CN 201520799167 U CN201520799167 U CN 201520799167U CN 204984633 U CN204984633 U CN 204984633U
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- China
- Prior art keywords
- nozzle opening
- crankcase body
- pivotal axis
- crankcase
- aircraft engine
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an aircraft engines's bent axle box and engine, including bent axle installation department and output mechanism installation department, the output mechanism installation department is including the vertical axle mount pad hole that is used for installing vertical output shaft, and the bent axle box is equipped with the nozzle opening, and the position that corresponds is just located to the gear engagement who is used for importing power with vertical output shaft in the crankcase to the export of nozzle opening, the utility model discloses the bent axle box is equipped with the nozzle opening of the position that the export is just corresponding the gear engagement department that is used for importing power with vertical output shaft in the crankcase, has comparatively equitable lubricated distribution to make running component and support running component to have better lubrication and cooling effect, reduce the deterioration, reduce the consumption and reduce running noise, make the maintenance cost in use cost and later stage lower.
Description
Technical field
The utility model relates to engine components, particularly a kind of crankcase body of aircraft engine and motor.
Background technique
The Power output of motor is based on bent axle, needs to output power by jack shaft etc. according to difference; For the motor (aircraft engine) that power vertically exports, output power after need designing jack shaft transmission according to layout difference, in crankcase, the lubrication distribution of lubricant oil has different requirements; Transmission part (gear etc.) in such as pivotal axis and running supporting part, must have good lubrication; And the above-mentioned parts vertically exported are often due to the difference of layout, result in the insufficient of lubrication, thus increase deterioration, to improve power consumption and running noise comparatively large, increases user cost and the maintenance cost in later stage.
Therefore, need to improve for engine crankshaft box existing, have and comparatively reasonably lubricate distribution, thus make running gear and support running gear that there is good lubrication and cooling effect, reduce deterioration, reduce power consumption and reduce running noise, make the maintenance cost in user cost and later stage lower.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of crankcase body and motor of aircraft engine, have and comparatively reasonably lubricate distribution, thus make running gear and support running gear that there is good lubrication and cooling effect, reduce deterioration, reduce power consumption and reduce running noise, make the maintenance cost in user cost and later stage lower.
The crankcase body of aircraft engine of the present utility model, comprise crankshaft installed portion and output mechanism assembly department, the pivotal axis that described output mechanism assembly department comprises for installing vertical output shaft installs bore, generally install in bore by the vertical output shaft of bearings in pivotal axis, and coordinate suitable sealing and fastening structure, do not repeat them here; Crankcase body is provided with nozzle opening, the position that the outlet of described nozzle opening is just corresponding to the gears meshing place being used for input power in crankcase with vertical output shaft; Pivotal axis receives the mode that bent axle power adopts gears meshing, by the setting of nozzle opening, directly lubricates gears meshing pair, reduces the degree of disease that spot corrosion etc. causes; The setting of nozzle opening, the problem of not easily lubricating for pivotal axis height point gears meshing pair solves preferably.
Further, the outlet of described nozzle opening is positioned at crankcase body inwall and is positioned at pivotal axis installs bore inner end on the inclined-plane that radial outside is formed, and structure is simple, easy to process; General employing nozzle opening is arranged perpendicular to the mode on inclined-plane, avoids causing stress to concentrate for crankcase body and affecting the problem of bulk strength.
Further, described nozzle opening to be against outside crankcase body and to be communicated with grease channel, and described grease channel is positioned at crankcase body wall and holds pivotal axis installs bore, and grease channel entrance is near side, crankshaft installed portion; Refer to the crankcase body outer wall side of installing bore relative to pivotal axis outside crankcase body, and in order to ensure that enough lubricant oil enters, grease channel entrance is close to the crankshaft installed portion in crankcase case.
Further, the hole wall that pivotal axis installs bore is provided with outlet just to the second nozzle opening in pivotal axis installation bore, lubricates for installing in bore pivotal axis, to ensure steady, the high efficiency operation of whole mechanism for the bearing supporting vertical output shaft; During use, adopt two groups to be positioned at bearings running that pivotal axis installs bore two ends, owing to be vertical export structure, the bearing of high point utilizes the second nozzle opening oil jet lubrication, and the lubricant oil fallen after rise lubricates lower bearing, and structure is simple and effect is obvious.
Further, the sensing oblique upper, fuel-displaced direction of the oil outlet of described second nozzle opening; Ensure that lubricant oil sprays to high spot bearing and realizes the revolute pair lubrications such as the bearing on top.
Further, described crankcase body also comprises pivotal axis fitting seat, and pivotal axis fitting seat hole is formed at pivotal axis fitting seat, and described second nozzle opening to be communicated with the oil through on axle fitting seat by the oil through on casing and to be formed; Adopt independent pivotal axis fitting seat to be formed to coordinate, conveniently when installing and use can adjust pivotal axis fitting seat and the coaxality vertically between output shaft, avoid the Form and position error caused by the manufacture of casing entirety, thus be beneficial to the installation of vertical output shaft and be beneficial to stable Power output; Further, because pivotal axis fitting seat is absolute construction, replacing and the maintenance of bearing and assembly can be facilitated.
Further, described crankcase body comprises left box body and right case, described pivotal axis fitting seat is installed on the assembly department formed by left box body and right case mould assembling, oil through on described casing is arranged at left box body and/or right case for the formation of on the mould assembling section of this assembly department, structure is simple and be easy to manufacture, avoid open walk in crankcase wall, ensure the bulk strength of casing.
Further, the second grease channel for being communicated with the second nozzle opening is provided with in described crankcase body wall.
Further, described nozzle opening is obliquely installed, and makes the fuel-displaced direction of oil outlet naturally point to oblique upper, and structure is simple, easy to make.
Further, near pivotal axis installation bore, axially middle part is top in described second nozzle opening outlet; Make the distribution of lubricant oil reasonable, better the high spot bearing of lubrication, ensures lubrication effect.
The invention also discloses a kind of motor, the crankcase body of the aircraft engine described in described motor adopts.
The beneficial effects of the utility model: the crankcase body of aircraft engine of the present utility model and motor, crankcase body be provided with outlet just in crankcase with the nozzle opening of vertical output shaft for position corresponding to the gears meshing place of input power, have and comparatively reasonably lubricate distribution, thus make running gear and support running gear that there is good lubrication and cooling effect, reduce deterioration, reduce power consumption and reduce running noise, make the maintenance cost in user cost and later stage lower.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 is that Fig. 1 is along A-A to sectional view;
Fig. 3 is housing structure schematic diagram;
Fig. 4 is right case second nozzle opening structural representation;
Fig. 5 is that the second nozzle opening moves towards schematic diagram.
Embodiment
Fig. 1 is the utility model structural representation, Fig. 2 is that Fig. 1 is along A-A to sectional view, Fig. 3 is housing structure schematic diagram, Fig. 4 is right case second nozzle opening structural representation, Fig. 5 is that the second nozzle opening moves towards schematic diagram, as shown in the figure: the crankcase body of the aircraft engine of the present embodiment, comprise crankshaft installed portion a and output mechanism assembly department b, the pivotal axis that described output mechanism assembly department a comprises for installing vertical output shaft installs bore 3, generally install in bore 3 by the vertical output shaft of bearings in pivotal axis, and coordinate suitable sealing and fastening structure, do not repeat them here, crankcase body is provided with nozzle opening 5, the position that the outlet of described nozzle opening is just corresponding to the gears meshing place being used for input power in crankcase with vertical output shaft, pivotal axis receives the mode that bent axle power adopts gears meshing, by the setting of nozzle opening, directly lubricates gears meshing pair, the direction of arrow as shown in Figure 2, reduces the degree of disease that spot corrosion etc. causes, the setting of nozzle opening, the problem of not easily lubricating for pivotal axis height point gears meshing pair solves preferably.
In the present embodiment, the outlet of described nozzle opening 5 is positioned at crankcase body inwall and is positioned at pivotal axis installs bore 3 inner end on the inclined-plane 4 that radial outside is formed, inner end is downside end for the utility model, this structure is simple, easy to process, proof strength while having duct; General employing nozzle opening is arranged perpendicular to the mode on inclined-plane, avoids causing stress to concentrate for crankcase body and affecting the problem of bulk strength.
In the present embodiment, described nozzle opening 5 to be against outside crankcase body and to be communicated with grease channel 6, and described grease channel 6 is positioned at crankcase body wall and holds pivotal axis installs bore 3, and grease channel entrance is near b side, crankshaft installed portion; Refer to outside crankcase body and install bore to crankcase body outer wall side relative to pivotal axis, grease channel entrance is close to the crankshaft installed portion in crankcase case, can ensure that enough lubricant oil enters.
In the present embodiment, the hole wall that pivotal axis installs bore 3 is provided with outlet just to the second nozzle opening 7 in pivotal axis installation bore, lubricate for the bearing supporting vertical output shaft for installing in bore 3 pivotal axis, to ensure steady, the high efficiency operation of whole mechanism; During use, adopt two groups to be positioned at bearings running that pivotal axis installs bore two ends, owing to be vertical export structure, the bearing of high point utilizes the second nozzle opening oil jet lubrication, and the lubricant oil fallen after rise lubricates lower bearing, and structure is simple and effect is obvious.
In the present embodiment, the sensing oblique upper, fuel-displaced direction of the oil outlet of described second nozzle opening 7; Ensure that lubricant oil sprays to high spot bearing and realizes the revolute pair lubrications such as the bearing of high point; In the present embodiment, adopt described nozzle opening to be obliquely installed, make the fuel-displaced direction of oil outlet naturally point to the structure of oblique upper, structure is simple, convenient processing.
In the present embodiment, described casing also comprises pivotal axis fitting seat, and pivotal axis is installed bore 3 and is formed at pivotal axis fitting seat, and described second nozzle opening 7 to be communicated with the oil through on axle fitting seat by the oil through on casing and to be formed; Adopt independent pivotal axis fitting seat to be formed to coordinate, conveniently when installing and use can adjust pivotal axis fitting seat and the coaxality vertically between output shaft, avoid the Form and position error caused by the manufacture of casing entirety, thus be beneficial to the installation of vertical output shaft and be beneficial to stable Power output; Further, because pivotal axis fitting seat is absolute construction, replacing and the maintenance of bearing and assembly can be facilitated.
In the present embodiment, described casing comprises left box body 1 and right case 2, described pivotal axis fitting seat is installed on the assembly department become by the 2-in-1 box-shaped of left box body 1 and right case, oil through on described casing is arranged at left box body 1 and/or right case 2 for the formation of on the mould assembling section of this assembly department, structure is simple and be easy to manufacture, avoid open walk in crankcase wall, ensure the bulk strength of casing; As shown in the figure, in the present embodiment, the oil through on casing is made up of for the formation of the diagonal cut joint groove on the mould assembling section of assembly department right case, and after mould assembling, the section of this opening slot and left box body forms the oil through on casing jointly; As shown in the figure, nozzle opening 5 and grease channel 6 are all arranged at left box body.
In the present embodiment, the grease channel 8 for being communicated with the second nozzle opening 7 is provided with in described box body wall, the present embodiment grease channel 8 is formed at right case wall, and described grease channel is the chamber structure with box body wall casting, this chamber structure communicates with the lubricant oil in crankcase and nozzle opening, as shown by arrows in FIG., lubricant oil enters nozzle opening by chamber structure, and has nozzle opening to spray and the bearing of lubricating upper height point and bottom; This chamber structure also has the effect of floor, while increasing the intensity of whole casing, can also simplify preparation process, avoid the secondary operations in later stage.
In the present embodiment, described second nozzle opening 7 exports near the axial middle part of pivotal axis installation bore top; Make the distribution of lubricant oil reasonable, ensure lubrication effect.
The invention also discloses a kind of motor, the crankcase body of the aircraft engine described in described motor adopts.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. the crankcase body of an aircraft engine, it is characterized in that: comprise crankshaft installed portion and output mechanism assembly department, the pivotal axis that described output mechanism assembly department comprises for installing vertical output shaft installs bore, crankcase body is provided with nozzle opening, the position that the outlet of described nozzle opening is just corresponding to the gears meshing place being used for input power in crankcase with vertical output shaft.
2. the crankcase body of aircraft engine according to claim 1, is characterized in that: the outlet of described nozzle opening is positioned at crankcase body inwall and is positioned at pivotal axis installs bore inner end on the inclined-plane that radial outside is formed.
3. the crankcase body of aircraft engine according to claim 2, it is characterized in that: described nozzle opening to be against outside crankcase body and to be communicated with grease channel, described grease channel is positioned at crankcase body wall and holds pivotal axis installs bore, and grease channel entrance is near side, crankshaft installed portion.
4. the crankcase body of aircraft engine according to claim 1, is characterized in that: the hole wall that pivotal axis installs bore is provided with outlet just to the second nozzle opening in pivotal axis installation bore.
5. the crankcase body of aircraft engine according to claim 4, is characterized in that: the sensing oblique upper, fuel-displaced direction of the oil outlet of described second nozzle opening.
6. the crankcase body of aircraft engine according to claim 4, it is characterized in that: described crankcase body also comprises pivotal axis fitting seat, pivotal axis fitting seat hole is formed at pivotal axis fitting seat, and described second nozzle opening to be communicated with the oil through on axle fitting seat by the oil through on casing and to be formed.
7. the crankcase body of aircraft engine according to claim 6, it is characterized in that: described crankcase body comprises left box body and right case, described pivotal axis fitting seat is installed on the assembly department formed by left box body and right case mould assembling, and the oil through on described casing is arranged at left box body and/or right case for the formation of on the mould assembling section of this assembly department.
8. the crankcase body of aircraft engine according to claim 5, is characterized in that: be provided with the second grease channel for being communicated with the second nozzle opening in described crankcase body wall.
9. the crankcase body of aircraft engine according to claim 5, is characterized in that: described nozzle opening is obliquely installed, and makes the fuel-displaced direction of oil outlet naturally point to oblique upper.
10. a motor, is characterized in that: described motor adopts the crankcase body of the aircraft engine described in the arbitrary claim of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520799167.9U CN204984633U (en) | 2015-09-30 | 2015-09-30 | Aircraft engines's bent axle box and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520799167.9U CN204984633U (en) | 2015-09-30 | 2015-09-30 | Aircraft engines's bent axle box and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204984633U true CN204984633U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520799167.9U Active CN204984633U (en) | 2015-09-30 | 2015-09-30 | Aircraft engines's bent axle box and engine |
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| CN (1) | CN204984633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792521A (en) * | 2018-08-03 | 2020-02-14 | 北汽福田汽车股份有限公司 | Engine gear chamber, engine and vehicle |
-
2015
- 2015-09-30 CN CN201520799167.9U patent/CN204984633U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792521A (en) * | 2018-08-03 | 2020-02-14 | 北汽福田汽车股份有限公司 | Engine gear chamber, engine and vehicle |
| CN110792521B (en) * | 2018-08-03 | 2021-02-12 | 北汽福田汽车股份有限公司 | Engine gear chamber, engine and vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |