CN105114204A - Strengtheningly integrated crankshaft box and aircraft engine - Google Patents
Strengtheningly integrated crankshaft box and aircraft engine Download PDFInfo
- Publication number
- CN105114204A CN105114204A CN201510642563.5A CN201510642563A CN105114204A CN 105114204 A CN105114204 A CN 105114204A CN 201510642563 A CN201510642563 A CN 201510642563A CN 105114204 A CN105114204 A CN 105114204A
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- box body
- right case
- left box
- floor
- support floor
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a strengtheningly integrated crankshaft box and an aircraft engine. The strengtheningly integrated crankshaft box comprises a crankshaft installation portion and an output mechanism installation portion, and support rib plates are arranged on the portions, located between the crankshaft installation portion and the output mechanism installation portion, inside the crankshaft box. According to the strengtheningly integrated crankshaft box and the aircraft engine, due to the fact that the support rib plates are arranged on the portions, located between the crankshaft installation portion and the output mechanism installation portion, inside the crankshaft box, the box has good whole strength, thermal deformation is reduced, running noise and vibration are reduced in use, abrasion to running parts is reduced, the service life is prolonged, the power consumption is reduced, and the strengtheningly integrated crankshaft box is specially suitable for engines with power output vertically.
Description
Technical field
The present invention relates to aircraft engine component, particularly a kind of crankcase body and aircraft engine.
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 that power vertically exports, output power after need designing jack shaft transmission according to layout difference, now crankcase body needs to carry out being different from conventional design, causes crankcase volume larger; In the course of the work, higher temperature can cause crankcase to deform, thus affects the operation of whole motor, increases power consumption, and vibrations and noise are comparatively large, has larger harmful effect to operation parts.
Therefore, need to improve for crankcase body existing, there is good bulk strength, reduce thermal distortion, reduce running noises during use and reduce vibration, reducing the wearing and tearing to running parts, increasing the service life and reducing power consumption.
Summary of the invention
In view of this, the object of this invention is to provide a kind of reinforcement integrated type crankcase body and aircraft engine, there is good bulk strength, reduce thermal distortion, reduce running noises during use and reduce vibration, reducing the wearing and tearing to running parts, increasing the service life and reducing power consumption; Be specially adapted to the motor that power vertically exports.
Reinforcement integrated type crankcase body of the present invention, comprises crankshaft installed portion and output mechanism assembly department, in crankcase body, be provided with support floor between described crankshaft installed portion and output mechanism assembly department; Because crankcase has crankshaft installed portion and output mechanism assembly department, overall volume is comparatively large, therefore supports floor between two-part, the effect having good supporting effect and gain in strength, support floor generally between two faces that crankcase size is relatively large, formed and effectively support.Crankshaft installed portion refers to crankcase for installing the part of bent axle, and output mechanism assembly department refers to the installation position by other output mechanisms of crank-driven, does not repeat them here.
Further, described crankcase body is formed by left box body and right case mould assembling, support floor is divided into the left box body corresponding with left box body and right case to support floor and right case supports floor, and mould assembling rear left case supports floor and right case support floor and form ribs slab integral; Left box body and right case generally adopt the layout of apportion crankshaft two end, and left box body supports floor and right case support floor props up mutually after mould assembling, forms complete rib structure, is beneficial to increase bulk strength.
Further, the orientation of described left box body and right case is the axis of bent axle, and left box body support floor and right case support floor are respectively the platy structure that bus is parallel to crankshaft center line; The i.e. face of bus translation track formation, floor median generatrix generally adopts straight line, certainly, can be also curve, not repeat them here.
Further, be provided with left box body and connect boss in described left box body, be provided with right case and connect boss in right case, after mould assembling, left box body connects boss and is connected raised head face with right case and offsets and for axially across link, axis refer to Crankshaft to; Left box body connects boss and is connected boss with right case and in fact plays and push against and the effect of gaining in strength, and be provided with axial center hole, link (such as bolt) is through this axial center hole, play the effect being fixedly connected with left box body and right case, jointly increase join strength with the conventional linkage structure of crankcase.
Further, described left box body connect boss is connected with right case boss respectively corresponding and left box body support floor and right case to support floor one-body molded, left box body is connected boss to be connected boss and left box body with right case and to support floor and right case to support floor one-body molded, interact, jointly play the effect increasing bulk strength, not only increase left box body and right case intensity separately, for the overall casing after mould assembling, have and better strengthen effect.
Further, described left box body support floor and right case support floor are respectively the curved surface platy structure that bus is parallel to crankshaft center line, namely bus is straight line, the curved surface formed has direct support effect, and the curved-surface structure different with different employings reasonable in design can be needed according to intensity, such as waveform etc.
Further, also comprise and to support floor and right case with left box body and support floor corresponding crossing integrated left box body pair and supports floor and right case is secondary supports floor; Described left box body pair supports floor and right case pair and supports floor and left box body and support floor and right case and support the corresponding left box body that intersects at of floor and be connected boss and right case connects boss, adopt the secondary structure supporting floor, jointly support is formed with supporting portion floor, the firm casing in local, increase installation strength, opposing thermal distortion.
Further, described crankcase body is the crankcase body that power vertically exports, and output mechanism assembly department has power input shaft supporting portion and pivotal axis supporting portion, and described pivotal axis supporting portion is formed by after left box body and right case mould assembling; Pivotal axis supporting portion is made up of the circular port formed after left box body and right case mould assembling; Power input shaft refers to the jack shaft coordinated with pivotal axis transmission, and certainly, power input shaft, for receiving bent axle power, according to design needs, also forms transmission by multiple jack shaft; Described left box body supports floor and right case support floor is arc plate structure, and after power input shaft is installed, this arc plate structure left box body support floor and right case support floor are formed power input shaft and locally contain; Local containing refers to the structure of partly enclosing, and this structure is not only beneficial to increase support strength, and this structure is also beneficial to the distribution of crankcase two-part lubricant oil, ensures the sufficient lubrication of running gear.
Further, described left box body supports floor and right case support floor is arc plate structure, and it is that radiation correspondence intersects at outside left box body support floor and right case support floor arc that described left box body secondary support floor and right case pair support floor; This structure farthest adds the support strength of rib structure, also increases the structural strength of floor itself simultaneously.
The invention also discloses a kind of aircraft engine, the crankcase body described in described aircraft engine adopts.
Beneficial effect of the present invention: reinforcement integrated type crankcase body of the present invention and aircraft engine, between the inherent crankshaft installed portion of crankcase body and output mechanism assembly department, support floor is set, casing is made to have good bulk strength, reduce thermal distortion, reduce running noises during use and reduce vibration, reducing the wearing and tearing to running parts, increasing the service life and reducing power consumption; Be specially adapted to the motor that power vertically exports.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is right case cut-away view.
Embodiment
Fig. 1 is structural representation of the present invention, Fig. 2 is right case cut-away view, as shown in the figure: the reinforcement integrated type crankcase body of the present embodiment, comprise crankshaft installed portion a and output mechanism assembly department b, in crankcase body, between described crankshaft installed portion a and output mechanism assembly department b, be provided with support floor; Because crankcase has crankshaft installed portion and output mechanism assembly department, overall volume is comparatively large, therefore supports floor between two-part, the effect having good supporting effect and gain in strength, support floor generally between two faces that crankcase size is relatively large, formed and effectively support.Crankshaft installed portion refers to crankcase for installing the part of bent axle, and output mechanism assembly department refers to the installation position by other output mechanisms of crank-driven, does not repeat them here.
In the present embodiment, described crankcase body is become by the 2-in-1 box-shaped of left box body 1 and right case, support floor is divided into the left box body corresponding with left box body 1 and right case 2 to support floor 11 and right case supports floor 21, namely left box body supports floor 11 and is shaped in left box body 1, and right case supports floor 21 and is shaped in right case 2; Mould assembling rear left case supports floor 11 and right case support floor 21 and form ribs slab integral; Left box body 1 and right case 2 generally adopt the layout of apportion crankshaft two end, and left box body supports floor and right case support floor props up mutually after mould assembling, forms complete rib structure, is beneficial to increase bulk strength.
In the present embodiment, the orientation of described left box body 1 and right case 2 is the axis of bent axle, and left box body support floor 11 and right case support floor 21 are respectively the platy structure that bus is parallel to crankshaft center line; The i.e. face of bus translation track formation, floor median generatrix generally adopts straight line, certainly, can be also curve, not repeat them here.
In the present embodiment, be provided with left box body in described left box body 1 and connect boss 13, be provided with right case in right case 2 and connect boss 23, after mould assembling, left box body connects boss 13 and is connected boss 13 end face with right case and offsets and for axially across link, axis refer to Crankshaft to; Left box body connects boss 13 and is connected boss 23 with right case and in fact plays and push against and the effect of gaining in strength, and be provided with axial center hole, link (such as bolt) is through this axial center hole, play the effect being fixedly connected with left box body 1 and right case 2, jointly increase join strength with the conventional linkage structure of crankcase.
In the present embodiment, described left box body connect boss 13 is connected with right case boss 23 respectively corresponding and left box body support floor 11 and right case to support floor 21 one-body molded, namely left box body connects boss 13 and left box body to support floor 11 one-body molded, and right case connects boss 23 and right case support floor 21 is one-body molded; Left box body is connected boss 13 to be connected boss 23 and left box body with right case and to support floor 11 and right case to support floor 21 one-body molded, interact, jointly play the effect increasing bulk strength, not only increase left box body and right case intensity separately, for the overall casing after mould assembling, have and better strengthen effect.
In the present embodiment, described left box body support floor 11 and right case support floor 21 are respectively the curved surface platy structure that bus is parallel to crankshaft center line, namely bus is straight line, the curved surface formed has direct support effect, and the curved-surface structure different with different employings reasonable in design can be needed according to intensity, such as waveform etc.
In the present embodiment, also comprise and to support floor 11 and right case with left box body and support floor 21 corresponding crossing integrated left box body pair and supports floor 12 and right case is secondary supports floor 22; Be that left box body pair supports floor 12 and left box body to support floor 11 one-body molded equally, right case pair supports floor 22 and right case, and to support floor 21 one-body molded; Described left box body pair supports floor 12 and right case pair and supports floor 22 and left box body and support floor 11 and right case and support the corresponding left box body that intersects at of floor 21 and be connected boss 13 and right case connects boss 23, adopt the secondary structure supporting floor, jointly support is formed with supporting portion floor, the firm casing in local, increase installation strength, opposing thermal distortion.
In the present embodiment, described crankcase body is the crankcase body that power vertically exports, and output mechanism assembly department b has power input shaft supporting portion 3 and pivotal axis supporting portion 4, and described pivotal axis supporting portion 4 is formed by after left box body 1 and the 2-in-1 case of right case; As shown in the figure, pivotal axis supporting portion 4 is made up of the circular port formed after left box body 1 and the 2-in-1 case of right case; Power input shaft refers to the jack shaft coordinated with pivotal axis transmission, and certainly, power input shaft, for receiving bent axle power, according to design needs, also forms transmission by multiple jack shaft; Described left box body supports floor and right case support floor is arc plate structure, and after power input shaft is installed, this arc plate structure left box body support floor and right case support floor are formed power input shaft and locally contain; Local containing refers to the structure of partly enclosing, and this structure is not only beneficial to increase support strength, and this structure is also beneficial to the distribution of crankcase two-part lubricant oil, ensures the sufficient lubrication of running gear.
In the present embodiment, described left box body supports floor 11 and right case support floor 21 is arc plate structure, and it is that radiation correspondence intersects at outside left box body support floor 11 and right case support floor 21 arc that described left box body secondary support floor 12 and right case pair support floor 22; This structure farthest adds the support strength of rib structure, also increases the structural strength of floor itself simultaneously.
The invention also discloses a kind of aircraft engine, the crankcase body described in described aircraft engine adopts.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. strengthen an integrated type crankcase body, it is characterized in that: comprise crankshaft installed portion and output mechanism assembly department, in crankcase body, between described crankshaft installed portion and output mechanism assembly department, be provided with support floor.
2. reinforcement integrated type crankcase body according to claim 1, it is characterized in that: described crankcase body is formed by left box body and right case mould assembling, support floor is divided into the left box body corresponding with left box body and right case to support floor and right case supports floor, and mould assembling rear left case supports floor and right case support floor and form ribs slab integral.
3. reinforcement integrated type crankcase body according to claim 2, is characterized in that: the orientation of described left box body and right case is the axis of bent axle, and left box body support floor and right case support floor are respectively the platy structure that bus is parallel to crankshaft center line.
4. reinforcement integrated type crankcase body according to claim 2, it is characterized in that: be provided with left box body in described left box body and connect boss, be provided with right case in right case and connect boss, after mould assembling, left box body connects boss and is connected raised head face with right case and offsets and for axially across link.
5. reinforcement integrated type crankcase body according to claim 4, is characterized in that: described left box body connect boss is connected with right case boss respectively corresponding and left box body support floor and right case to support floor one-body molded.
6. reinforcement integrated type crankcase body according to claim 3, is characterized in that: described left box body support floor and right case support floor are respectively the curved surface platy structure that bus is parallel to crankshaft center line.
7. reinforcement integrated type crankcase body according to claim 6, is characterized in that: also comprise and to support floor and right case with left box body and support floor corresponding crossing integrated left box body pair and supports floor and right case is secondary supports floor; Described left box body pair supports floor and right case pair and supports floor and left box body and support floor and right case and support the corresponding left box body that intersects at of floor and be connected boss and right case connects boss.
8. reinforcement integrated type crankcase body according to claim 2, it is characterized in that: described crankcase body is the crankcase body that power vertically exports, output mechanism assembly department has power input shaft supporting portion and pivotal axis supporting portion, and described pivotal axis supporting portion is formed by after left box body and right case mould assembling; Described left box body supports floor and right case support floor is arc plate structure, and after power input shaft is installed, this arc plate structure left box body support floor and right case support floor are formed power input shaft and locally contain.
9. reinforcement integrated type crankcase body according to claim 7, it is characterized in that: described left box body supports floor and right case support floor is arc plate structure, it is that radiation correspondence intersects at outside left box body support floor and right case support floor arc that described left box body secondary support floor and right case pair support floor.
10. an aircraft engine, is characterized in that: described aircraft engine adopts the reinforcement integrated type crankcase body described in the arbitrary claim of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510642563.5A CN105114204A (en) | 2015-09-30 | 2015-09-30 | Strengtheningly integrated crankshaft box and aircraft engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510642563.5A CN105114204A (en) | 2015-09-30 | 2015-09-30 | Strengtheningly integrated crankshaft box and aircraft engine |
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| Publication Number | Publication Date |
|---|---|
| CN105114204A true CN105114204A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510642563.5A Pending CN105114204A (en) | 2015-09-30 | 2015-09-30 | Strengtheningly integrated crankshaft box and aircraft engine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546738A (en) * | 1983-02-25 | 1985-10-15 | Steyr-Daimler-Puch Aktiengesellschaft | Reciprocating internal combustion engine |
| EP0621401A1 (en) * | 1993-04-23 | 1994-10-26 | Yuji Haneda | Internal combustion engine |
| CN203515849U (en) * | 2013-08-08 | 2014-04-02 | 重庆隆鑫压铸有限公司 | Engine crankcase and engine thereof |
| CN104747313A (en) * | 2015-02-13 | 2015-07-01 | 重庆隆鑫发动机有限公司 | Motorcycle engine crankcase and engine |
| CN204984632U (en) * | 2015-09-30 | 2016-01-20 | 重庆隆鑫发动机有限公司 | Bent axle box and aircraft engines |
-
2015
- 2015-09-30 CN CN201510642563.5A patent/CN105114204A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4546738A (en) * | 1983-02-25 | 1985-10-15 | Steyr-Daimler-Puch Aktiengesellschaft | Reciprocating internal combustion engine |
| EP0621401A1 (en) * | 1993-04-23 | 1994-10-26 | Yuji Haneda | Internal combustion engine |
| CN203515849U (en) * | 2013-08-08 | 2014-04-02 | 重庆隆鑫压铸有限公司 | Engine crankcase and engine thereof |
| CN104747313A (en) * | 2015-02-13 | 2015-07-01 | 重庆隆鑫发动机有限公司 | Motorcycle engine crankcase and engine |
| CN204984632U (en) * | 2015-09-30 | 2016-01-20 | 重庆隆鑫发动机有限公司 | Bent axle box and aircraft engines |
Non-Patent Citations (1)
| Title |
|---|
| 田志刚: "《摩托车用户通俗读本》", 31 March 2009, 人民邮电出版社 * |
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Application publication date: 20151202 |