CN104747674A - Power output device, air cylinder and diesel engine - Google Patents
Power output device, air cylinder and diesel engine Download PDFInfo
- Publication number
- CN104747674A CN104747674A CN201510036503.9A CN201510036503A CN104747674A CN 104747674 A CN104747674 A CN 104747674A CN 201510036503 A CN201510036503 A CN 201510036503A CN 104747674 A CN104747674 A CN 104747674A
- Authority
- CN
- China
- Prior art keywords
- flywheel
- straight
- piston
- yundong
- power take
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 239000008041 oiling agent Substances 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 210000000038 chest Anatomy 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 description 7
- 241001417527 Pempheridae Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
- F16H25/14—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation perpendicular to the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/06—Combinations of engines with mechanical gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
- F02F1/20—Other cylinders characterised by constructional features providing for lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0458—Oil-mist or spray lubrication; Means to reduce foam formation
- F16H57/046—Oil-mist or spray lubrication
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention provides a power output device, an air cylinder and a diesel engine. A first piston rod, a straight-curve moving converting mechanism and a first flywheel are included. A first piston is arranged at one end of the first piston rod. The other end of the first piston rod is connected with the straight-curve moving converting mechanism. A connecting shaft is arranged at a noncentral position of the inner side face of the first flywheel. The first flywheel is arranged on the upper side or the lower side of the straight-curve moving converting mechanism. The straight-curve moving converting mechanism is provided with a waist hole. The connecting shaft is arranged in the waist hole of the straight-curve moving converting mechanism. The straight-curve moving converting mechanism is arranged, namely the application of a ScotchYoke structure is achieved, so that the staying time of the piston at an upper dead center on the air cylinder is long, constant volume burning time is long, burning efficiency is high, and then the rotating speed and the power density of the diesel engine are improved.
Description
Technical field
The present invention relates to diesel engine, particularly, relate to one and be applied to the machinery such as small sweeper, unmanned submarine, automobile, depopulated helicopter, unmanned aerial vehicle, specialized robot, mobile power generating device, by flywheel, built-in and unconventional straight bent movement conversion mechanism (Scotch Yoke mechanism) realizes Engine Downsizing power take-off, cylinder and diesel engine.
Background technique
The motor that the machinery such as small sweeper, automobile, depopulated helicopter, specialized robot, mobile power generating device need energy density higher provides power.Two-stroke diesel engine has high-energy-density, the feature of low fuel consumption rate, can realize higher energy requirement.Diesel engine compression ratio is higher, and the thermal efficiency is high, meets the requirement of current energy saving.Compared to gasoline, diesel oil also has the advantage of transport, storage security, is easier to the long-time stable continuous firing of the equipment that realizes.
Scotch Yoke mechanism is applied to circle-straight line motion conversion, piston can be made reciprocating with sinusoidal rule, piston is longer in the top dead center waiting time, the constant volume combustion time is longer, burning can be made more abundant, be beneficial to diesel oil diffusive combustion, and under identical combustion requirements, larger selection of speed can be provided, thus break the bottleneck of diesel engine speed raising.
The special equipments such as small sweeper, automobile, depopulated helicopter, specialized robot have at industrial field to be applied extremely widely.These special equipments often require that miniaturization realizes various highi degree of accuracy task, so enough spaces cannot be provided to carry out fuel storage and spare part is deposited.Therefore, they need higher energy density.This motor is a kind of new-type power take-off for these special equipments provide, and flywheel embedding structure can shorten shaft length, effectively saves space; Also be conducive to the feature solving the lubricating oil splash deficiency that Scotch Yoke structure exists simultaneously.
Mobile power generating device has huge applications prospect in civilian and military domain, and particularly along with the universal of electrical equipment and the large-scale application of electrified weapon, the mobile power generating device of good portability, high-energy-density, high safety has very high demand.In order to overcome the shortcoming of the internal mechanism of conventional diesel: flywheel arranges separately and causes engine crankshaft length longer, engine speed bottleneck problem under traditional mechanism, the invention provides a kind of Novel diesel engine applying Scotch Yoke mechanism, flywheel built-in mechanism.Compared to four stroke engine, the two-stroke structure of this diesel engine is easier to realize miniaturization, meets the requirement of mobile power generating device to portability.
Through the retrieval to prior art, the application in Scotch Yoke diesel engine there is no precedent.Therefore, Scotch Yoke mechanism is applied to two-stroke diesel engine by us, effectively realizes above technical need.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of power take-off.
The power take-off provided according to an aspect of the present invention, comprises first piston bar, straight bent movement conversion mechanism and the first flywheel;
One end of described first piston bar is provided with first piston, and the other end connects described straight bent movement conversion mechanism; The non-central of inner side surface of described first flywheel is provided with coupling shaft; Described first flywheel is arranged on upside or the downside of described straight bent movement conversion mechanism; Described straight bent movement conversion mechanism is provided with waist hole; Described coupling shaft is arranged in the waist hole of described straight bent movement conversion mechanism.
Preferably, the second piston rod is also comprised;
Described straight bent movement conversion mechanism comprises the first connected straight Qu Yundong changeover part and the second straight Qu Yundong changeover part; Described first piston bar connects the described first straight Qu Yundong changeover part; Described second piston rod one end is provided with the second piston, and the other end connects the described second straight Qu Yundong changeover part.
Preferably, the second flywheel is also comprised; Described second flywheel connects described first flywheel by described coupling shaft; Described straight bent movement conversion mechanism is arranged between described first flywheel and described second flywheel.
Preferably, multiple double threaded screw is also comprised; The two ends of the described first straight Qu Yundong changeover part connect the two ends of the described second straight Qu Yundong changeover part by described double threaded screw.
Preferably, described first piston, described first piston bar and the described first straight Qu Yundong changeover part integrally casting are shaping;
Described second piston, described second piston rod and the described second straight Qu Yundong changeover part integrally casting are shaping.
Preferably, the dynamic output shaft of arranged outside of described second flywheel and/or described first flywheel.
Preferably, described first flywheel and described second flywheel rounded, the radius of described circle is R;
Described coupling shaft is arranged between the 0.2R to 0.8R of described first flywheel and described second flywheel.
The cylinder provided according to another aspect of the present invention, comprises described power take-off and cylinder thorax;
Wherein, the first piston of described power take-off is arranged in described cylinder thorax.
Preferably, also lubricating fitting is comprised;
Described cylinder thorax circumferentially direction is provided with multiple lubrication hole; Described lubricating fitting comprises the oiling agent machine for storing, oiling agent suction means and the oiling agent jet pipe that are connected in turn;
Described oiling agent jet pipe one end connects described oiling agent suction means, and the other end is provided with nozzle; Described nozzle is provided with the concave arc coordinated with the radian of described cylinder thorax internal surface.
There is provided diesel engine according to a further aspect of the invention, comprise described cylinder.
Compared with prior art, the present invention has following beneficial effect:
1, be provided with straight bent movement conversion mechanism in the present invention, i.e. the application of Scotch Yoke structure, thus piston is long in the top dead center waiting time of cylinder, the constant volume combustion time is long, and combustion efficiency is high, and then improves rotating speed and the specific power of diesel engine;
2, in the present invention, the non-central of inner side surface of the first flywheel is provided with coupling shaft, is namely equivalent to flywheel built-in mechanism, shortens crankshaft length, thus reduces size of engine, weight, noise and vibration;
3, in the present invention the first flywheel and the second flywheel rotate can direct splash lubrication oil, solve the feature of the lubricating oil splash deficiency of Scotch Yoke structure existence.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is assembling schematic diagram of the present invention;
Fig. 2 is a kind of structural representation of the present invention;
Fig. 3 is another kind of structural representation of the present invention;
Fig. 4 is the plan view of structural representation in the present invention;
Fig. 5 is the left view of structural representation in the present invention;
Fig. 6 is the plan view of structural representation in the present invention;
Fig. 7 is the structural representation of flywheel in the present invention.
In figure:
1 is flywheel;
2 is first piston bar;
3 is straight bent movement conversion mechanism;
4 is first piston;
5 is first piston ring;
6 is the second piston;
7 is the second piston ring;
8 is the second piston rod.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
In the present embodiment, power take-off provided by the invention, comprises first piston bar 2, straight bent movement conversion mechanism 3 and the first flywheel;
One end of described first piston bar 2 is provided with first piston 4, and the other end connects described straight bent movement conversion mechanism 3; The non-central of inner side surface of described first flywheel is provided with coupling shaft; Described first flywheel is arranged on upside or the downside of described straight bent movement conversion mechanism 3; Described straight bent movement conversion mechanism 3 is provided with waist hole; Described coupling shaft is arranged in the waist hole of described straight bent movement conversion mechanism 3.Power take-off provided by the invention also comprises the second piston rod 7; Described straight bent movement conversion mechanism 3 comprises the first connected straight Qu Yundong changeover part and the second straight Qu Yundong changeover part; Described first piston bar connects the described first straight Qu Yundong changeover part; Described second piston rod one end is provided with the second piston, and the other end connects the described second straight Qu Yundong changeover part.Described straight bent movement conversion mechanism 3 adopts Scotch Yoke structure.
Described first piston 5, described first piston bar 2 and the described first straight Qu Yundong changeover part integrally casting are shaping; Described second piston 6, described second piston rod 8 and the described second straight Qu Yundong changeover part integrally casting are shaping.
Flywheel 1 comprises the first flywheel and the second flywheel; Described first flywheel and described second flywheel rounded, the radius of described circle is R; Described coupling shaft is arranged between the 0.2R to 0.8R of described first flywheel and described second flywheel.
Described second flywheel connects described first flywheel by described coupling shaft; Described straight bent movement conversion mechanism 3 is arranged between described first flywheel and described second flywheel.
Power take-off provided by the invention also comprises multiple double threaded screw; The two ends of the described first straight Qu Yundong changeover part connect the two ends of the described second straight Qu Yundong changeover part by described double threaded screw.The dynamic output shaft of arranged outside of described second flywheel and/or described first flywheel.
Cylinder provided by the invention, comprises described power take-off and cylinder thorax; Wherein, the first piston of described power take-off is arranged in described cylinder thorax.
Cylinder provided by the invention, also comprises lubricating fitting;
Described cylinder thorax circumferentially direction is provided with multiple lubrication hole; Described lubricating fitting comprises the oiling agent machine for storing, oiling agent suction means and the oiling agent jet pipe that are connected in turn; Described oiling agent jet pipe one end connects described oiling agent suction means, and the other end is provided with nozzle; Described nozzle is provided with the concave arc coordinated with the radian of described cylinder thorax internal surface.
Diesel engine provided by the invention, is characterized in that, comprises described cylinder.
Be provided with straight bent movement conversion mechanism in the present invention, i.e. the application of Scotch Yoke structure, thus piston is long in the top dead center waiting time of cylinder, the constant volume combustion time is long, and combustion efficiency is high, and then improves the rotating speed of diesel engine;
The piston movement rule of Scotch Yoke mechanism is sinusoidal rule x=r
1cos (θ
1), relative to connecting rod
wherein, x is piston position, θ
1for angle variables, r
2for crank arm length, r
1for the axle journal center of circle is to the distance of crank pin; L is length of connecting rod; θ
2for crank angle.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. a power take-off, is characterized in that, comprises first piston bar, straight bent movement conversion mechanism and the first flywheel;
One end of described first piston bar is provided with first piston, and the other end connects described straight bent movement conversion mechanism; The non-central of inner side surface of described first flywheel is provided with coupling shaft; Described first flywheel is arranged on upside or the downside of described straight bent movement conversion mechanism; Described straight bent movement conversion mechanism is provided with waist hole; Described coupling shaft is arranged in the waist hole of described straight bent movement conversion mechanism.
2. power take-off according to claim 1, is characterized in that, also comprises the second piston rod;
Described straight bent movement conversion mechanism comprises the first connected straight Qu Yundong changeover part and the second straight Qu Yundong changeover part; Described first piston bar connects the described first straight Qu Yundong changeover part; Described second piston rod one end is provided with the second piston, and the other end connects the described second straight Qu Yundong changeover part.
3. power take-off according to claim 1 and 2, is characterized in that, also comprises the second flywheel; Described second flywheel connects described first flywheel by described coupling shaft; Described straight bent movement conversion mechanism is arranged between described first flywheel and described second flywheel.
4. power take-off according to claim 2, is characterized in that, also comprises multiple double threaded screw; The two ends of the described first straight Qu Yundong changeover part connect the two ends of the described second straight Qu Yundong changeover part by described double threaded screw.
5. power take-off according to claim 2, is characterized in that, described first piston, described first piston bar and the described first straight Qu Yundong changeover part integrally casting are shaping;
Described second piston, described second piston rod and the described second straight Qu Yundong changeover part integrally casting are shaping.
6. power take-off according to claim 3, is characterized in that, the dynamic output shaft of arranged outside of described second flywheel and/or described first flywheel.
7. power take-off according to claim 3, is characterized in that, described first flywheel and described second flywheel rounded, the radius of described circle is R;
Described coupling shaft is arranged between the 0.2R to 0.8R of described first flywheel and described second flywheel.
8. a cylinder, is characterized in that, comprises the power take-off according to any one of claim 1 to 7 and cylinder thorax;
Wherein, the first piston of described power take-off is arranged in described cylinder thorax.
9. cylinder according to claim 8, is characterized in that, also comprises lubricating fitting;
Described cylinder thorax circumferentially direction is provided with multiple lubrication hole; Described lubricating fitting comprises the oiling agent machine for storing, oiling agent suction means and the oiling agent jet pipe that are connected in turn;
Described oiling agent jet pipe one end connects described oiling agent suction means, and the other end is provided with nozzle; Described nozzle is provided with the concave arc coordinated with the radian of described cylinder thorax internal surface.
10. a diesel engine, is characterized in that, comprises the cylinder described in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036503.9A CN104747674A (en) | 2015-01-23 | 2015-01-23 | Power output device, air cylinder and diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036503.9A CN104747674A (en) | 2015-01-23 | 2015-01-23 | Power output device, air cylinder and diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104747674A true CN104747674A (en) | 2015-07-01 |
Family
ID=53587789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510036503.9A Pending CN104747674A (en) | 2015-01-23 | 2015-01-23 | Power output device, air cylinder and diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104747674A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730045A (en) * | 2018-03-29 | 2018-11-02 | 刘法锐 | A kind of adaptive valve control piston engine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110371A (en) * | 1994-01-06 | 1995-10-18 | 吴云安 | Straight-line motion connecting rod type internal combustion engine |
| CN1156214A (en) * | 1996-09-10 | 1997-08-06 | 赵善胜 | Reciprocating intermittent piston engine |
| CN1173907A (en) * | 1995-02-14 | 1998-02-18 | 宝马公司 | Reciprocating piston engine with adjacent cylinders in the crankshaft direction in an engine case |
| RU2160843C1 (en) * | 1999-05-05 | 2000-12-20 | Мартиросов Александр Леонидович | Axial internal combustion engine |
| RU2227209C1 (en) * | 2002-09-10 | 2004-04-20 | Южно-Уральский государственный университет | Piston machine for converting energy of working medium into mechanical work (versions) |
| CN1997812A (en) * | 2004-06-18 | 2007-07-11 | 汉斯延森润滑油有限公司 | Controlled feeding system |
| CN101251177A (en) * | 2008-03-26 | 2008-08-27 | 莫春浩 | Mechanism substituting cylinder crankshaft system with to-and-fro rectilinear motion mode |
| CN202645753U (en) * | 2012-05-22 | 2013-01-02 | 安徽华菱汽车有限公司 | Engine and lubricating system thereof |
-
2015
- 2015-01-23 CN CN201510036503.9A patent/CN104747674A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110371A (en) * | 1994-01-06 | 1995-10-18 | 吴云安 | Straight-line motion connecting rod type internal combustion engine |
| CN1173907A (en) * | 1995-02-14 | 1998-02-18 | 宝马公司 | Reciprocating piston engine with adjacent cylinders in the crankshaft direction in an engine case |
| CN1156214A (en) * | 1996-09-10 | 1997-08-06 | 赵善胜 | Reciprocating intermittent piston engine |
| RU2160843C1 (en) * | 1999-05-05 | 2000-12-20 | Мартиросов Александр Леонидович | Axial internal combustion engine |
| RU2227209C1 (en) * | 2002-09-10 | 2004-04-20 | Южно-Уральский государственный университет | Piston machine for converting energy of working medium into mechanical work (versions) |
| CN1997812A (en) * | 2004-06-18 | 2007-07-11 | 汉斯延森润滑油有限公司 | Controlled feeding system |
| CN101251177A (en) * | 2008-03-26 | 2008-08-27 | 莫春浩 | Mechanism substituting cylinder crankshaft system with to-and-fro rectilinear motion mode |
| CN202645753U (en) * | 2012-05-22 | 2013-01-02 | 安徽华菱汽车有限公司 | Engine and lubricating system thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730045A (en) * | 2018-03-29 | 2018-11-02 | 刘法锐 | A kind of adaptive valve control piston engine |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20150701 |