CN103206449B - Crankshaft and aerodynamic engine equipped with same - Google Patents
Crankshaft and aerodynamic engine equipped with same Download PDFInfo
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- CN103206449B CN103206449B CN201210326257.7A CN201210326257A CN103206449B CN 103206449 B CN103206449 B CN 103206449B CN 201210326257 A CN201210326257 A CN 201210326257A CN 103206449 B CN103206449 B CN 103206449B
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- crankshaft
- bent axle
- crank
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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 being applicable to multi-cylinder reciprocating air power engine.
Background technique
Bent axle is the main rotation member of motor, and it converts the to-and-fro motion of engine piston connecting rod to rotary motion.But, bent axle is complex-shaped, technical requirements is high, therefore how selection material, how to carry out compact and reasonable crankshaft designs and how to process high-quality bent axle particularly important, bent axle subjects complicated adaptability to changes in the course of the work, and the quality of crankshaft quality directly affects the working life of motor.
Application number be 200510056007.6 Chinese invention patent disclose a kind of bent axle of internal-combustion engine, this bent axle is particularly suitable for the hand-operated tools of such as motor chain saw, it is assembled by the finished parts separated, comprise a crankweb, this crankweb has one for holding the central recess of a crank journal and an eccentric recess for holding a crank journal, and crank journal is used for support link.Crankweb is provided with a rotating mass block on itself and eccentric recess opposite side.Rotating mass block one crankweb is integrally formed, has crankweb plane to start to be bent upwards in the side of connecting rod.
Although this patent of invention can provide have minor structure space and the I. C. engine crankshaft that rotating mass characteristic is good, cost is low, it is not also suitable for the dynamic power machine of big-block engine or 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, and this crankshaft strength is high, and assembly precision is high, fatigue resistance and strong shock resistance, is particularly applicable to multi-cylinder reciprocating air power engine.
For achieving the above object, first object 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 import/exhaust Control Shaft, described import/exhaust Control Shaft is fixed with initiatively automatically controlled film-making, and be connected and fixed by automatically controlled film-making fixed end and bent axle, described bent axle is connected with the slave switch in engine breathing automatical control system with the automatically controlled film-making of the active on import/exhaust Control Shaft, the automatically controlled film-making of described active offers the groove of different radian, slave switch movable contact in the groove of described different radian and engine breathing automatical control system, then the import/exhaust of cylinder is controlled.
Preferably, described crank is provided with crank attachment hole, bent axle attachment hole.
In above-mentioned any scheme preferably, internal thread is provided with in crank attachment hole and bent axle attachment hole.
In above-mentioned any scheme preferably, described bent axle also comprises crankshaft rear end, and described crankshaft rear end is provided with outside thread, and is fixedly connected with crank by the internal thread of bent axle attachment hole.
In above-mentioned any scheme preferably, described crankshaft rear end and crank are once manufacture shaping monolithic construction.
In above-mentioned any scheme preferably, described crankshaft is provided with screw thread.
In above-mentioned any scheme preferably, described crankshaft is fixedly connected with by the crank attachment hole on crank with crank.
Alternatively preferably, described crank is fixedly connected with by the fixed bell crank pin nut in crank attachment hole.
Alternatively preferably, described crankshaft rear end, crank and crankshaft are once manufacture shaping monolithic construction, and this is conducive to the intensity improving whole bent axle, reduce assembly error.
In above-mentioned any scheme preferably, described crankshaft is fixedly connected with described bearing fixing sleeve by described bearing.
In above-mentioned any scheme preferably, described crank, crankshaft front end, crankshaft and bearing fixing sleeve offer oil leab, the oil leab mutual conduction on the oil leab on crank, the oil leab on crankshaft front end and bearing fixing sleeve.
In above-mentioned either a program preferably, the connecting body of described crankshaft and bearing fixing sleeve offers lubricating oil sump.
In above-mentioned any scheme preferably, described lubricating oil sump is connected with oil leab conducting.
In above-mentioned any scheme preferably, described bent axle, crank and crankshaft adopt the firm 42CrMo of superhigh strength to manufacture and form, the bent axle, crank and the crankshaft that adopt 42CrMo Ultrastrength Steel to make have higher intensity and toughness, hardenability is better, without obvious temper brittleness, have higher fatigue limit and anti-repeat impact ability after quenching with Subsequent tempering, low-temperature impact toughness is good.
In above-mentioned any scheme preferably, the quantity of the automatically controlled film-making of described active is equal with the quantity of cylinder.
In above-mentioned any scheme preferably, the automatically controlled film-making of described active is made up of nylon (PA).
In above-mentioned any scheme preferably, be fixedly connected with by pressing between the automatically controlled film-making of described active with the automatically controlled film-making of active.
Alternatively preferably, be fixedly connected with by cohesive material between the automatically controlled film-making of described active with the automatically controlled film-making of active.
Alternatively preferably, the automatically controlled film-making of described active is once manufacture shaping monolithic construction.
Second object 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.
3rd object of the present invention is to provide a kind of aerodynamic force vehicle.This vehicle adopts the air-powered motor provided in the present invention.
accompanying drawing explanation
Fig. 1 is the perspective view preferably executing example according to one of bent axle of the present invention.
Fig. 2 is for executing the main TV structure schematic diagram of example shown in Fig. 1.
Fig. 3 is for preferably executing the partial sectional view in the main TV structure schematic diagram of example shown in Fig. 2.
Fig. 4 is for preferably executing the right TV structure schematic diagram of example shown in Fig. 3.
Fig. 5 is the main TV structure schematic diagram of the preferred embodiment of the reciprocating automatically controlled variable air power engine of a kind of single cylinder of the bent axle adopted in the present invention.
Embodiment
Preferably implement to be further elaborated explanation to illustrated bent axle below in conjunction with accompanying drawing.
Embodiment one
As shown in Figures 1 and 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, internal thread is provided with in crank attachment hole 10 and 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 is fixedly 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 makes monolithic construction by numerical control machining center once-through, to improve assembly precision with crank.
Described crankshaft 3 is provided with screw thread, and described crankshaft 3 connects by the crank attachment hole 10 on crank 2 is fixing in succession with crank 2.Alternatively, described crank 2 is fixedly connected with by the fixed bell crank pin nut 13 in crank attachment hole 10, to be convenient to dismounting bent axle when crankshaft fatigue damages.In order to improve the structure stability of whole crank shaft, crankshaft rear end 12, crank 2 adopt with crankshaft 3 and once manufacture shaping monolithic construction, and this is conducive to the larger alternate load of bent axle carrying.
As shown in Figure 3 and Figure 4, described crankshaft 3 is fixedly connected with described bearing fixing sleeve 5 by described bearing 4, bearing 4 is enclosed within crankshaft 3 with on the connecting body of bearing fixing sleeve 5, and described bearing can rotate along the axis of crankshaft 3 with described bearing fixing sleeve.Upper and lower (back and forth) of connecting rod motion, for connecting engine linkage mechanism, can be become circulation (rotation) motion by described bearing 4.Described crank 2, crankshaft front end 6, crankshaft 3 and bearing fixing sleeve 5 offer oil leab 14-1,14-2,14-3.Oil leab 14-3 mutual conduction on oil leab 14-1 on crank 2, the oil leab 14-2 on crankshaft front end and bearing fixing sleeve 5.Described crankshaft 3 and the connecting body of bearing fixing sleeve 5 offer lubricating oil sump 15, and 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 manufacture with crankshaft 3 and form, and initiatively the quantity of automatically controlled film-making 8 is equal with the quantity of cylinder.The crankshaft journal 1, crank 2, crankshaft 3 etc. that adopt 42CrMo Ultrastrength Steel to make have higher intensity and toughness, hardenability is better, without obvious temper brittleness, higher fatigue limit and anti-repeat impact ability is had after quenching with Subsequent tempering, low-temperature impact toughness is good, is specially adapted to the manufacture of bent axle.
The automatically controlled film-making 8 of described active is made up of nylon (PA), particularly adopt the nylon material that crocking resistance is good, such as selflubricating surpasses antifriction nylon (PA66, PA1010), and it has good electrical insulation properties, can not have good impact resistance, wear resistance machine and a chemical stability because of moisture effect insulating property.
As shown in Figures 1 and 3, be fixedly connected with by pressing between the automatically controlled film-making of described active 8 with the automatically controlled film-making 8 of active, or be fixedly connected with by cohesive material, with the automatically controlled film-making 8 of the active of making integral type.Described import/exhaust Control Shaft 7 is installed with initiatively automatically controlled film-making 8, and be fixedly connected with bent axle by the fixed end 9 of initiatively automatically controlled film-making 8, described bent axle is connected with the slave switch in the automatically controlled film-making 8 of the active on import/exhaust Control Shaft 7 and engine breathing automatical control system.The automatically controlled film-making of described active 8 offers the groove 16 of described different radian, the slave switch movable contact in itself and engine breathing automatical control system.Slave switch in crankshaft rotating drive engine breathing automatical control system and automatically controlled film-making 8 movable contact of active.The groove 16 of the different radians initiatively in automatically controlled film-making 8 controls the motion of cylinder, upper and lower (back and forth) of engine link is moved and becomes circulation (rotation) motion formation power source.
Embodiment two
Fig. 1 to Fig. 5 discloses the reciprocating automatically controlled variable air power engine of a kind of single cylinder.
As shown in Fig. 1 and Fig. 5, the reciprocating automatically controlled variable air power engine 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 bent axle is fixedly connected with connecting rod 0-6, and described connecting rod 0-6 is fixed by link pin 0-12, and described connecting rod 0-6 is connected with the piston be placed in 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 the slave switch in engine breathing automatical control system.When the automatically controlled film-making 8 of the active on described import/exhaust Control Shaft 7 contacts with the slave switch in engine breathing automatical control system, trigger the solenoid valve 0-1 on described cylinder 0-2, now described cylinder 0-2 is in air-suction state, air push connecting rod 0-6 to-and-fro motion in cylinder 0-2, connecting rod 0-6 is with dynamic crankshaft, and engine crankshaft converts the to-and-fro motion of engine link 0-6 to rotary motion.
When the automatically controlled film-making 8 of the active on described import/exhaust Control Shaft 7 disconnects with the slave switch in engine breathing automatical control system, solenoid valve 0-1 on described cylinder 0-2 is closed or disconnect, now described cylinder 0-2 is in dummy status, connecting rod 0-6 in cylinder 0-2 does not move or remains static, and motor does not do work.Connecting rod 0-6 is with dynamic crankshaft, and engine crankshaft makes the to-and-fro motion of engine link 0-6 convert rotary motion to.
When motor is in smooth running, open the valve of motor, namely step on the throttle, motor starts air feed work, when the automatically controlled film-making 8 of the active on described import/exhaust Control Shaft 7 contacts with the slave switch in engine breathing automatical control system, solenoid valve 0-1 conducting, described intake valve (17) is opened, pressurized gas in 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 cylinder 0-2 in cylinder 0-2, drive crank rotation simultaneously.When the automatically controlled film-making 8 of the active on described import/exhaust Control Shaft 7 rotates, because initiatively automatically controlled film-making rotates equally, now initiatively automatically controlled film-making 8 formation is similar to " cam mechanism ", described cam mechanism turns over an angle of 90 degrees, now, the circles such as the slave switch in engine breathing automatical control system and the automatically controlled film-making 8 of active on described import/exhaust Control Shaft 7 Control Shaft contact, when the groove 16 of the automatically controlled film-making 8 of the active on described import/exhaust Control Shaft 7 does not contact with the slave switch in engine breathing automatical control system, connecting rod 0-6 completes one stroke, when described import/exhaust Control Shaft 7 is rotated further, described connecting rod 0-6 carries out another stroke, then promote described bent axle to rotate continuously, realize the function of running continuously, the quantity of described cylinder 0-2 can be increased as required, improve the power of motor.
More than be described in detail in conjunction with specific embodiments of the invention, but be not limitation of the present invention, everyly according to technical spirit of the present invention, technical scope of the present invention is all belonged to any simple modification made for any of the above embodiments, also it should be noted that, comprise the combination in any between 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, but by these component combinations of the prior art together, realize technological scheme of the present invention, this is not apparent to those skilled in the art, but inventor bends over one's desk working the several months and the crystallization of great many of experiments.
Claims (21)
1. a 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), described import/exhaust Control Shaft (7) is fixed with initiatively automatically controlled film-making (8), and be fixedly connected with bent axle by the fixed end (9) of initiatively automatically controlled film-making (8), the automatically controlled film-making of active (8) on described import/exhaust Control Shaft (7) is connected with the slave switch in engine breathing automatical control system, the automatically controlled film-making of described active (8) offers the groove (16) of different radian, groove (16) and the slave switch movable contact in engine breathing automatical control system of described different radian, then the import/exhaust of cylinder is controlled.
2. bent axle as claimed in claim 1, 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 bent axle attachment hole (11).
4. bent axle as claimed in claim 1, it is characterized in that: described bent axle also comprises crankshaft rear end (12), described crankshaft rear end (12) is provided with outside thread, and it is fixedly connected with crank (2) by the internal thread of bent axle attachment hole (11).
5. bent axle as claimed in claim 4, is characterized in that: described crankshaft rear end (12) and crank (2) are for once to manufacture shaping monolithic construction.
6. bent axle as claimed in claim 1, is characterized in that: described crankshaft (3) is provided with screw thread.
7. the bent axle as described in claim 3 or 6, is characterized in that: described crankshaft (3) is fixedly connected with by the crank attachment hole (10) on crank (2) with crank (2).
8. bent axle as claimed in claim 7, is characterized in that: described crank (2) is fixedly connected with by the fixed bell crank pin nut (13) in crank attachment hole (10).
9. bent axle as claimed in claim 4, is characterized in that: described crankshaft rear end (12), crank (2) and crankshaft (3) are for once to manufacture shaping monolithic construction.
10. bent axle as claimed in claim 9, is characterized in that: described crankshaft (3) is fixedly connected with described bearing fixing sleeve (5) by described bearing (4).
11. bent axles as claimed in claim 1, it is characterized in that: described crank (2), crankshaft front end (6), crankshaft (3) and bearing fixing sleeve (5) all offer oil leab (14-1,14-2,14-3), the oil leab (14-1) on crank (2), the oil leab (14-2) on crankshaft front end and oil leab (14-3) mutual conduction on bearing fixing sleeve (5).
12. bent axles as claimed in claim 11, is characterized in that: described crankshaft (3) and the connecting body of bearing fixing sleeve (5) offer lubricating oil sump (15).
13. bent axles as claimed in claim 12, is characterized in that: described lubricating oil sump (15) is connected with oil leab (14-1,14-2,14-3) conducting.
14. bent axles as claimed in claim 1, is characterized in that: described bent axle, crank (2) and crankshaft (3) are manufactured by Ultrastrength Steel 42CrMo and form.
15. bent axles as claimed in claim 1, is characterized in that: the quantity of the automatically controlled film-making of described active (8) is equal with the quantity of cylinder.
16. bent axles as described in claim 1 or 15, is characterized in that: the automatically controlled film-making of described active (8) is made up of nylon (PA).
17. bent axles as claimed in claim 16, is characterized in that: be fixedly connected with by pressing between the automatically controlled film-making of described active (8) with the automatically controlled film-making of active (8).
18. bent axles as claimed in claim 1, is characterized in that: be fixedly connected with by cohesive material between the automatically controlled film-making of described active (8) with the automatically controlled film-making of active (8).
19. bent axles as claimed in claim 1, is characterized in that: the automatically controlled film-making of described active (8) is for once to manufacture shaping monolithic construction.
20. 1 kinds of air-powered motors, comprise bent axle, it is characterized in that, described bent axle is the bent axle described in above-mentioned arbitrary claim.
21. 1 kinds of aerodynamic force vehicles, is characterized in that: this aerodynamic force vehicle adopts air-powered motor as claimed in claim 20.
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 CN103206449A (en) | 2013-07-17 |
| CN103206449B true CN103206449B (en) | 2015-03-18 |
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Family Applications (1)
| 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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| Country | Link |
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| CN (1) | CN103206449B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196800B (en) * | 2020-09-29 | 2022-09-27 | 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 (5)
| 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 |
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004008670B4 (en) * | 2004-02-21 | 2013-04-11 | Schaeffler Technologies AG & Co. KG | Valve drive with cam switching for the gas exchange valves of a 4-stroke internal combustion engine |
| DE102008060170A1 (en) * | 2008-11-27 | 2010-06-02 | Dr.Ing.H.C.F.Porsche Aktiengesellschaft | Valve gear of an internal combustion engine |
-
2012
- 2012-09-06 CN CN201210326257.7A patent/CN103206449B/en active Active
Patent Citations (5)
| 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 |
| 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103206449A (en) | 2013-07-17 |
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