CN103206449A - Crankshaft and aerodynamic engine equipped with same - Google Patents
Crankshaft and aerodynamic engine equipped with same Download PDFInfo
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- CN103206449A CN103206449A CN2012103262577A CN201210326257A CN103206449A CN 103206449 A CN103206449 A CN 103206449A CN 2012103262577 A CN2012103262577 A CN 2012103262577A CN 201210326257 A CN201210326257 A CN 201210326257A CN 103206449 A CN103206449 A CN 103206449A
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- crankshaft
- crank
- bent axle
- making
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Abstract
The invention relates to a crankshaft, specifically to a crankshaft for an aerodynamic engine. The crankshaft comprises a crankshaft journal (1), a crank (2), a crank axle (3), a bearing (4) and a bearing fixing sleeve (5), wherein the front end (6) of the crankshaft is provided with an air admission/air exhaust control shaft (7), an active electronic control sheet (8) is fixedly sleeved on the air admission/air exhaust control shaft (7), the air admission/air exhaust control shaft (7) and the crankshaft journal (1) are connected and fixed through a fixed end (9) of the active electronic control sheet (8), the active electronic control sheet (8) on the air admission/air exhaust control shaft (7) is connected with a driven switch in an air admission-air exhaust electric control system of the engine, and grooves (16) with different radians are arranged on the active electronic control sheet (8) and are in movable contact with the driven switch in the air admission-air exhaust electric control system of the engine, thereby realizing control of air admission/air exhaust of an engine cylinder. The crankshaft provided by the invention has the advantages of high strength, high assembly accuracy and strong fatigue resistance and shock resistance.
Description
Technical field
The present invention relates to a kind of bent axle, more specifically, relate to a kind of bent axle that is applicable to the reciprocating type air-powered motor of multi-cylinder.
Background technique
Bent axle is the main rotary component of motor, and its to-and-fro motion with engine piston connecting rod converts to and rotatablely moves.Yet, bent axle is complex-shaped, technical requirements is high, therefore how to select material, how to carry out the crankshaft designs of compact and reasonable and how to process high-quality bent axle particularly important, bent axle is bearing complicated adaptability to changes in the course of the work, and the quality of bent axle quality directly influences the working life of motor.
Application number is the bent axle that 200510056007.6 Chinese invention patent discloses a kind of internal-combustion engine, this bent axle is particularly suitable for the hand-operated tools such as motor chain saw, it is assembled by the finished parts that separate, comprise a crankweb, this crankweb has an eccentric recess that is used for holding the central recess of a crank journal and is used for holding a crank journal, and crank journal is used for support link.Be provided with a rotating mass piece at itself and eccentric recess opposite side on the crankweb.Rotating mass piece one crankweb is integrally formed, has a plane of crankweb to begin on the direction of connecting rod crooked.
Have the minor structure space and the rotating mass characteristic is good, cost is low I. C. engine crankshaft though this patent of invention can provide, it also is not suitable for big-block engine or the dynamic power machine of high loading, and Applicable scope is narrower.
Summary of the invention
For overcoming the shortcomings and deficiencies of prior art, the present invention aims to provide a kind of bent axle, this crankshaft strength height, and assembly precision height, fatigue resistance and strong shock resistance particularly are applicable to the reciprocating type air-powered motor of multi-cylinder.
For achieving the above object, first purpose of the present invention is to provide a kind of bent axle, comprise bent axle, crank, crankshaft, bearing, bearing fixing sleeve, described crankshaft front end is equipped with the import/exhaust Control Shaft, be fixed with initiatively automatically controlled film-making on the described import/exhaust Control Shaft, and be connected and fixed by automatically controlled film-making fixed end and bent axle, the automatically controlled film-making of active on described bent axle and the import/exhaust Control Shaft is connected with the slave switch in the engine breathing automatical control system, offer the groove of different radians in the automatically controlled film-making of described active, the groove of described different radians contacts with the slave switch in the engine breathing automatical control system is movable, controls the import/exhaust of cylinder then.
Preferably, described crank is provided with crank attachment hole, bent axle attachment hole.
In above-mentioned any scheme, preferably, be provided with internal thread in crank attachment hole and the bent axle attachment hole.
Preferably, described bent axle also comprises crankshaft rear end in above-mentioned any scheme, and described crankshaft rear end is provided with outside thread, and fixedlys connected with crank by the internal thread of bent axle attachment hole.
Preferably, described crankshaft rear end and crank are for once making the monolithic construction of moulding in above-mentioned any scheme.
Preferably, described crankshaft is provided with screw thread in above-mentioned any scheme.
Preferably, described crankshaft is fixedlyed connected by the crank attachment hole on the crank with crank in above-mentioned any scheme.
As another kind of replacement scheme preferably, described crank is fixedly connected by the fixed bell crank pin nut in the crank attachment hole.
As another kind of replacement scheme preferably, described crankshaft rear end, crank and crankshaft are for once making the monolithic construction of moulding, and this is conducive to improve whole strength of crankshaft, reduces assembly error.
Preferably, described crankshaft is fixedlyed connected with described bearing fixing sleeve by described bearing in above-mentioned any scheme.
Preferably, described crank, crankshaft front end, crankshaft and bearing fixing put and offer oil leab in above-mentioned any scheme, the oil leab mutual conduction that the oil leab on the crank, the oil leab on the crankshaft front end and bearing fixing put.
In above-mentioned arbitrary scheme, preferably, offer lubricating oil sump on the connecting body of described crankshaft and bearing fixing sleeve.
Preferably, described lubricating oil sump is connected with the oil leab conducting in above-mentioned any scheme.
In above-mentioned any scheme preferably, described bent axle, crank and crankshaft adopt the firm 42CrMo of superhigh strength to make and form, the bent axle, crank and the crankshaft that adopt the 42CrMo Ultrastrength Steel to make have higher intensity and toughness, hardenability is better, there is not tangible temper brittleness, higher fatigue limit and anti-repeatedly impact capacity are arranged after the quenching with Subsequent tempering, and low-temperature impact toughness is good.
Preferably, the quantity of the automatically controlled film-making of described active equates with the quantity of cylinder in above-mentioned any scheme.
Preferably, the automatically controlled film-making of described active is made by nylon (PA) in above-mentioned any scheme.
In above-mentioned any scheme preferably, the automatically controlled film-making of described active with initiatively be connected by pressing and fixing between the automatically controlled film-making.
As another kind of replacement scheme preferably, the automatically controlled film-making of described active with initiatively fixedly connected by cohesive material between the automatically controlled film-making.
As another kind of replacement scheme preferably, the automatically controlled film-making of described active is for once making the monolithic construction of moulding.
Second purpose of the present invention is to provide a kind of air-powered motor, and this air-powered motor adopts bent axle of the present invention.
The 3rd purpose of the present invention is to provide a kind of aerodynamic force vehicle.The air-powered motor that provides among the present invention is provided this vehicle.
Description of drawings
Fig. 1 is for preferably executing the perspective view of example according to one of bent axle of the present invention.
Fig. 2 is the main TV structure schematic representation of executing example shown in Figure 1.
Fig. 3 is the partial sectional view of preferably executing in the routine main TV structure schematic representation shown in Figure 2.
Fig. 4 is the right TV structure schematic representation of preferably executing example shown in Figure 3.
Fig. 5 is the main TV structure schematic representation of the preferred embodiment of the reciprocating type automatically controlled variable air-powered motor of a kind of single cylinder of the bent axle among employing the present invention.
Embodiment
Below in conjunction with accompanying drawing bent axle shown in the present is preferably implemented to be further elaborated explanation.
Embodiment one
As Fig. 1 and shown in Figure 2, it discloses exemplary bent axle of the present invention.This bent axle comprises crankshaft journal 1, crank 2, crankshaft 3, bearing 4, bearing fixing sleeve 5, crank 2 is provided with crank attachment hole 10, bent axle attachment hole 11, be provided with internal thread in crank attachment hole 10 and the bent axle attachment hole 11, described bent axle also comprises crankshaft rear end 12, described crankshaft rear end 12 is provided with outside thread, and fixedlys connected with crank 2 by the internal thread of bent axle attachment hole 11.In order to reduce assembly error, improve the integrity of bent axle, as alternative replacement scheme, described crankshaft rear end 12 is made monolithic construction with crank by the numerical control machining center once-through, to have improved assembly precision.
Described crankshaft 3 is provided with screw thread, and described crankshaft 3 is fixed by the crank attachment hole 10 on the crank 2 with crank 2 and connect in succession.As another kind of replacement scheme, described crank 2 is fixedly connected by the fixed bell crank pin nut 13 in the crank attachment hole 10, to be convenient to the dismounting bent axle when crankshaft fatigue damages.In order to improve the structure stability of bent axle integral body, crankshaft rear end 12, crank 2 adopt with crankshaft 3 and once make the monolithic construction of moulding, and this is conducive to the bigger alternate load of bent axle carrying.
As shown in Figure 3 and Figure 4, described crankshaft 3 is fixedlyed connected with described bearing fixing sleeve 5 by described bearing 4, bearing 4 is enclosed within on the connecting body of crankshaft 3 and bearing fixing sleeve 5, and described bearing can axially rotating along crankshaft 3 and described bearing fixing sleeve.Described bearing 4 is used for connecting engine link mechanism, (back and forth) motion about the connecting rod can be become circulation (rotation) motion.Offer oil leab 14-1,14-2,14-3 on described crank 2, crankshaft front end 6, crankshaft 3 and the bearing fixing sleeve 5.Oil leab 14-1 on the crank 2, the oil leab 14-2 on the crankshaft front end and the oil leab 14-3 mutual conduction on the bearing fixing sleeve 5.Offer lubricating oil sump 15 on the connecting body of described crankshaft 3 and bearing fixing sleeve 5, described lubricating oil sump 15 is connected with oil leab 14-1,14-2,14-3 conducting, so that the crankshaft component of oil lubrication motor and linkage mechanism.
Described crankshaft journal 1, crank 2 adopt the firm 42CrMo of superhigh strength to make with crankshaft 3 and form, and the quantity of initiatively automatically controlled film-making 8 equates with the quantity of cylinder.The crankshaft journal 1 that employing 42CrMo Ultrastrength Steel is made, crank 2, crankshaft 3 etc. have higher intensity and toughness, hardenability is better, there is not tangible temper brittleness, higher fatigue limit and anti-repeatedly impact capacity are arranged after the quenching with Subsequent tempering, low-temperature impact toughness is good, is specially adapted to the manufacturing of bent axle.
The automatically controlled film-making 8 of described active is made by nylon (PA), particularly adopt the good nylon material of crocking resistance, the super antifriction nylon of selflubricating (PA66, PA1010) for example, it has good electrical insulation properties, can and good impact resistance, wear resistance machine and chemical stability not arranged because of the moisture effect insulating property.
As Fig. 1 and shown in Figure 3, the automatically controlled film-making 8 of described active with initiatively is connected by pressing and fixing between the automatically controlled film-making 8, it is fixedly connected perhaps to pass through cohesive material, with the automatically controlled film-making 8 of the active of making integral type.Be installed with initiatively automatically controlled film-making 8 on the described import/exhaust Control Shaft 7, and fixedly connected with bent axle by the fixed end 9 of initiatively automatically controlled film-making 8, described bent axle and the automatically controlled film-making 8 of the active on the import/exhaust Control Shaft 7 are connected with slave switch in the engine breathing automatical control system.Offer the groove 16 of described different radians in the automatically controlled film-making 8 of described active, it contacts with the slave switch in the engine breathing automatical control system is movable.Crankshaft rotating drives the slave switch and initiatively automatically controlled film-making 8 movable contacts in the engine breathing automatical control system.The initiatively motion of the groove 16 control cylinders of the different radians in the automatically controlled film-making 8, make engine link about (back and forth) motion become circulation (rotation) the formation power source that moves.
Embodiment two
Fig. 1 to Fig. 5 discloses the reciprocating type automatically controlled variable air-powered motor of a kind of single cylinder.
As Fig. 1 and shown in Figure 5, the reciprocating type automatically controlled variable air-powered motor of a kind of single cylinder comprises bent axle, connecting rod 0-6, link pin 0-12, solenoid valve 0-1, cylinder 0-2, high pressure gas holder.Bearing 4 on the bent axle is fixedlyed connected with connecting rod 0-6, and described connecting rod 0-6 fixes by link pin 0-12, and described connecting rod 0-6 is connected with the piston that places in the cylinder 0-2, the to-and-fro motion in cylinder 0-2 of described piston.The outer wall of described cylinder 0-2 is provided with solenoid valve, and described solenoid valve is connected with slave switch in the engine breathing automatical control system.When the automatically controlled film-making 8 of the active on the described import/exhaust Control Shaft 7 when slave switch in the engine breathing automatical control system contacts, trigger the solenoid valve 0-1 on the described cylinder 0-2, this moment, described cylinder 0-2 was in the air inlet state, air push connecting rod 0-6 to-and-fro motion in the cylinder 0-2, connecting rod 0-6 drives bent axle, and engine crankshaft converts the to-and-fro motion of engine link 0-6 to and rotatablely moves.
When the slave switch in the automatically controlled film-making 8 of the active on the described import/exhaust Control Shaft 7 and the engine breathing automatical control system disconnects, closed or the disconnection of solenoid valve 0-1 on the described cylinder 0-2, this moment, described cylinder 0-2 was in dummy status, connecting rod 0-6 in the cylinder 0-2 does not move or remains static, and motor does not do work.Connecting rod 0-6 drives bent axle, and engine crankshaft makes the to-and-fro motion of engine link 0-6 convert to and rotatablely moves.
When motor is in smooth running, open the valve of motor, just step on the throttle, motor begins air feed work, when the automatically controlled film-making 8 of the active on the described import/exhaust Control Shaft 7 when slave switch in the engine breathing automatical control system contacts, solenoid valve 0-1 conducting, described intake valve (17) is opened, pressurized gas in the described high pressure gas holder enter cylinder 0-2 by described solenoid valve 0-1, pressurized gas promote the connecting rod 0-6 bar motion in the cylinder 0-2 in cylinder 0-2, drive bent axle simultaneously and rotate.When the automatically controlled film-making 8 of the active on the described import/exhaust Control Shaft 7 rotates, because initiatively automatically controlled film-making rotates equally, initiatively automatically controlled film-making 8 formed and was similar to " cam mechanism " this moment, described cam mechanism turns over an angle of 90 degrees, at this moment, slave switch in the engine breathing automatical control system contacts with circles such as the automatically controlled film-making 8 of active on described import/exhaust Control Shaft 7 Control Shafts, when the groove 16 of the automatically controlled film-making 8 of active on the described import/exhaust Control Shaft 7 when slave switch in the engine breathing automatical control system does not contact, connecting rod 0-6 finishes one stroke, when described import/exhaust Control Shaft 7 is rotated further, described connecting rod 0-6 carries out another stroke, then promoting described bent axle rotates continuously, realize the function of running continuously, can increase the quantity of described cylinder 0-2 as required, improve the power of motor.
Abovely describe in detail in conjunction with specific embodiments of the invention, but be not to be limitation of the present invention, every foundation technical spirit of the present invention all belongs to technical scope of the present invention to any simple modification that above embodiment does, also need to prove, comprise combination in any between the each part mentioned above according to the category of bent axle technological scheme of the present invention.
Identical with any innovation and creation, bent axle of the present invention is improvements over the prior art, its constituent element comprises each details of the prior art, yet these parts of the prior art are combined, realize technological scheme of the present invention, this is not apparent to those skilled in the art, but the inventor bends over one's desk working the several months and the crystallization of a large amount of experiments.
Claims (10)
1. bent axle, it comprises crankshaft journal (1), crank (2), crankshaft (3), bearing (4), bearing fixing sleeve (5), it is characterized in that: described crankshaft front end (6) is equipped with import/exhaust Control Shaft (7), be fixed with initiatively automatically controlled film-making (8) on the described import/exhaust Control Shaft (7), and the fixed end (9) that passes through initiatively automatically controlled film-making (8) is fixedlyed connected with bent axle (1), the automatically controlled film-making of active (8) on the described import/exhaust Control Shaft (7) is connected with the slave switch in the engine breathing automatical control system, offer the groove (16) of different radians in the automatically controlled film-making of described active (8), the groove of described different radians (16) contacts with the slave switch in the engine breathing automatical control system is movable, controls the import/exhaust of cylinder then.
2. bent axle as claimed in claim 1, it is characterized in that: described crank (2) is provided with crank attachment hole (10), bent axle attachment hole (11).
3. bent axle as claimed in claim 2 is characterized in that: be provided with internal thread in crank attachment hole (10) and the bent axle attachment hole (11).
4. bent axle as claimed in claim 1, it is characterized in that: described bent axle (1) also comprises crankshaft rear end (12), and described crankshaft rear end (12) is provided with outside thread, and its internal thread by bent axle attachment hole (11) is fixedlyed connected with crank (2).
5. bent axle as claimed in claim 4 is characterized in that: described crankshaft rear end (12) and crank (2) are for once making the monolithic construction of moulding.
6. bent axle as claimed in claim 1, it is characterized in that: described crankshaft (3) is provided with screw thread.
7. as claim 3 or 6 described bent axles, it is characterized in that: described crankshaft (3) is fixedlyed connected by the crank attachment hole (10) on the crank (2) with crank (2).
8. bent axle as claimed in claim 7 is characterized in that: described crank (2) is fixedly connected by the fixed bell crank pin nut (13) in the crank attachment hole (10).
9. as claim 1 or 4 described bent axles, it is characterized in that: described crankshaft rear end (12), crank (2) are the monolithic construction of once making moulding with crankshaft (3).
10. bent axle as claimed in claim 9 is characterized in that: described crankshaft (3) is fixedlyed connected with described bearing fixing sleeve (5) by described bearing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210326257.7A CN103206449B (en) | 2012-09-06 | 2012-09-06 | Crankshaft and aerodynamic engine equipped with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210326257.7A CN103206449B (en) | 2012-09-06 | 2012-09-06 | Crankshaft and aerodynamic engine equipped with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103206449A true CN103206449A (en) | 2013-07-17 |
| CN103206449B CN103206449B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210326257.7A Active CN103206449B (en) | 2012-09-06 | 2012-09-06 | Crankshaft and aerodynamic engine equipped with same |
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| CN (1) | CN103206449B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196800A (en) * | 2020-09-29 | 2021-01-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor crankshaft, compressor pump body assembly and compressor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10148177A1 (en) * | 2001-09-28 | 2003-04-17 | Ina Schaeffler Kg | Valve drive with valve stroke reversal for gas exchange valves of 4-stroke IC engines has slide grooves extending across each other due to location at small relative distance, to reduce axial space requirement |
| WO2005080761A1 (en) * | 2004-02-21 | 2005-09-01 | Schaeffler Kg | Valve gear having a cam change-over for the gas exchange valves of a four-stroke combustion engine |
| CN1670389A (en) * | 2004-03-20 | 2005-09-21 | 安德烈亚斯.斯蒂尔两合公司 | Crankshaft |
| DE102008054254A1 (en) * | 2008-10-31 | 2010-05-06 | Schaeffler Kg | Camshaft for a variable-stroke valve drive of an internal combustion engine |
| US20100126448A1 (en) * | 2008-11-27 | 2010-05-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Valve drive of an internal combustion engine |
| CN102282341A (en) * | 2009-02-14 | 2011-12-14 | 谢夫勒科技有限两合公司 | Valve drive of an internal combustion engine |
| CN202955111U (en) * | 2012-09-06 | 2013-05-29 | 祥天控股（集团）有限公司 | Crankshaft and aerodynamic engine provided with the same and aerodynamic vehicle provided with the same |
-
2012
- 2012-09-06 CN CN201210326257.7A patent/CN103206449B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10148177A1 (en) * | 2001-09-28 | 2003-04-17 | Ina Schaeffler Kg | Valve drive with valve stroke reversal for gas exchange valves of 4-stroke IC engines has slide grooves extending across each other due to location at small relative distance, to reduce axial space requirement |
| WO2005080761A1 (en) * | 2004-02-21 | 2005-09-01 | Schaeffler Kg | Valve gear having a cam change-over for the gas exchange valves of a four-stroke combustion engine |
| CN1670389A (en) * | 2004-03-20 | 2005-09-21 | 安德烈亚斯.斯蒂尔两合公司 | Crankshaft |
| DE102008054254A1 (en) * | 2008-10-31 | 2010-05-06 | Schaeffler Kg | Camshaft for a variable-stroke valve drive of an internal combustion engine |
| US20100126448A1 (en) * | 2008-11-27 | 2010-05-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Valve drive of an internal combustion engine |
| CN102282341A (en) * | 2009-02-14 | 2011-12-14 | 谢夫勒科技有限两合公司 | Valve drive of an internal combustion engine |
| CN202955111U (en) * | 2012-09-06 | 2013-05-29 | 祥天控股（集团）有限公司 | Crankshaft and aerodynamic engine provided with the same and aerodynamic vehicle provided with the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196800A (en) * | 2020-09-29 | 2021-01-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor crankshaft, compressor pump body assembly and compressor |
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| Publication number | Publication date |
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| CN103206449B (en) | 2015-03-18 |
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