CN111350588A - 旋转式活塞内燃机的气缸结构 - Google Patents

旋转式活塞内燃机的气缸结构 Download PDF

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CN111350588A
CN111350588A CN202010358751.6A CN202010358751A CN111350588A CN 111350588 A CN111350588 A CN 111350588A CN 202010358751 A CN202010358751 A CN 202010358751A CN 111350588 A CN111350588 A CN 111350588A
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rotary drum
cylinder
piston
rotating shaft
combustion
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朱花
赖秀坤
葛杨文
黄金宝
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Jiangxi University of Science and Technology
Buddhist Tzu Chi General Hospital
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B55/00Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B53/00Internal-combustion aspects of rotary-piston or oscillating-piston engines
    • F02B53/04Charge admission or combustion-gas discharge
    • F02B53/08Charging, e.g. by means of rotary-piston pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B53/00Internal-combustion aspects of rotary-piston or oscillating-piston engines
    • F02B53/14Adaptations of engines for driving, or engine combinations with, other devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00Rotary-piston machines or engines
    • F01C1/02Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F01C1/063Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them
    • F01C1/07Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them having crankshaft-and-connecting-rod type drive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B53/00Internal-combustion aspects of rotary-piston or oscillating-piston engines
    • F02B53/04Charge admission or combustion-gas discharge
    • F02B53/06Valve control therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B55/00Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
    • F02B55/08Outer members for co-operation with rotary pistons; Casings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B55/00Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
    • F02B55/14Shapes or constructions of combustion chambers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B33/00Engines characterised by provision of pumps for charging or scavenging
    • F02B33/32Engines with pumps other than of reciprocating-piston type
    • F02B33/34Engines with pumps other than of reciprocating-piston type with rotary pumps
    • F02B33/36Engines with pumps other than of reciprocating-piston type with rotary pumps of positive-displacement type
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

本发明涉及一种内燃机气缸结构的改进,具体是一种旋转式活塞内燃机的气缸结构。本发明包括转轴,转轴两侧安装在机座上,转轴的两外端分别固定有前拨杆和后拨杆,前拨杆和后拨杆的夹角为29°,两外端的前拨杆沿转轴径向且成180°布置,两外端的后拨杆沿转轴径向且成180°布置;在两机座间依次布置有燃烧装置和压缩装置。本发明输出的功率比传统四冲程活塞机大,机械效率比传统四冲程活塞机高出约百分之十,而且运转平稳、噪音更小。

Description

旋转式活塞内燃机的气缸结构
技术领域
本发明涉及一种内燃机气缸结构的改进,具体是一种旋转式活塞内燃机的气缸结构,显著提高了内燃机的能量转换率。
背景技术
目前,往复式活塞内燃机的共同特点是在同一个气缸内完成吸气、压缩、燃烧、排气冲程,由于必须将活塞的往复运动变为转轴的转动,故必须加设连杆、曲轴、飞轮等部件致使内燃机变得复杂、笨重,传动效率低。
发明内容
本发明的目的旨在提供一种旋转式活塞内燃机的气缸结构,其能量利用率高,压缩缸与燃烧缸同时运作,省去了连杆、曲轴、飞轮等部件,从而提高了内燃机的传动效率。
本发明的技术方案:
一种旋转式活塞内燃机的气缸结构,包括转轴,转轴两侧安装在机座上,转轴的两外端分别固定有前拨杆和后拨杆,前拨杆和后拨杆的夹角为29°,两外端的前拨杆沿转轴径向且成180°布置,两外端的后拨杆沿转轴径向且成180°布置;
在两机座间依次布置有燃烧装置和压缩装置,所述燃烧装置包括固定于转轴上的转筒,转筒表面沿轴向固定有活塞条,在转筒外配有燃烧缸,燃烧缸与机座固定,燃烧缸的顶部沿轴向设置有闸板槽,闸板槽上配有间隙配合的闸板;由燃烧缸内表面和两内端面、转筒表面、活塞条两相对面、闸板两相对面形成两个空间,沿转筒旋转方向逐渐缩小的空间为排气腔,沿转筒旋转方向逐渐扩大的空间为燃烧腔;在燃烧缸的闸板槽两侧分别连接有进气管、排气管,在进气管一侧的燃烧缸上还布置有喷油器和电火花控制器,排气管的两端分别与大气和所述排气腔连通,进气管的两端分别与储气罐和所述燃烧腔连接,进气管上布置有气阀;
所述压缩装置包括固定于转轴上的转筒,转筒表面沿轴向固定有活塞条,在转筒外配有压缩缸,压缩缸与机座固定,压缩缸的顶部沿轴向设置有闸板槽,闸板槽上配有间隙配合的闸板;由压缩缸内表面和两内端面、转筒表面、活塞条两相对面、闸板两相对面形成两个空间,沿转筒旋转方向逐渐缩小的空间为压缩腔,沿转筒旋转方向逐渐扩大的空间为负压腔;在压缩缸的闸板槽两侧分别连接有吸气管、出气管,吸气管的两端分别与大气和所述负压腔连通,出气管的两端分别与储气罐和所述压缩腔连接,出气管上布置有单向阀;
所述压缩装置中转筒上的活塞条与所述燃烧装置中转筒上的活塞条成180°布置;
所述前拨杆比同侧转筒上的活塞条所在径向沿转筒旋转方向前移10°;
在两侧机座上各安装一套杠杆机构,所述杠杆机构包括固定于机座上的托架,与托架铰接的杠杆,杠杆的里端与同侧转筒上的闸板铰接,杠杆的外端安装有滚轮,滚轮与同侧旋转的前拨杆瞬间接触,接触时前拨杆迅速把杠杆外端压下,之后滚轮与同侧旋转的后拨杆瞬间接触,接触时后拨杆迅速将杠杆外端顶起,让与杠杆里端铰接的闸板作上下垂直运动。
所述燃烧缸进气管上的气阀由固定在转轴径向的触杆控制,触杆与所述气阀接触时气阀开通,不接触时气阀关闭;触杆与同侧的转筒上的活塞条所在径向有15°夹角且活塞条在前。
在托架的里侧杠杆与机座之间布置有拉簧。
所述排气管、吸气管上分别布置有单向阀。
本发明省去了连杆、曲轴、飞轮等部件,构造较为简便,重量也得以减轻。而且气体燃料在燃烧缸中做功的行程(角度)最大可达240°,即占全程的三分之二甚至四分之三,所以把压缩缸包含在内其做功行程也比四冲程活塞机的做功(四分之一)要高出百分之二十以上。其输出的功率比传统四冲程活塞机大,机械效率比传统四冲程活塞机高出约百分之十。而且运转平稳、噪音更小,空气污染更小,完全有可能取代往复活塞内燃成为主要发动机。
附图说明
图1为本发明的结构示意图。
图2为本发明中压缩装置的结构示意图。
图3为本发明中燃烧装置的结构示意图。
图4为本发明的前后拨杆与同侧转筒上的活塞条位置关系示意图。
图5为本发明的前拨杆与同侧杠杆上滚轮瞬间接触时的结构示意图。
图6为本发明的燃烧装置原理图。
图7为本发明的压缩装置原理图。
图中:1杠杆机构,2燃烧装置,3压缩装置,4机座,5压缩缸,6前拨杆,7后拨杆,8滚轮,9托架,10杠杆,11拉簧,12吸气管,13闸板,14出气管,15储气罐,16转轴,17活塞条,18转筒,19电火花控制器,20触杆,21燃烧缸,22进气管,23排气管,24喷油器。
具体实施方式
如图1所示,本发明包括转轴16,转轴16两侧安装在机座4上,转轴16的两外端分别固定有前拨杆6和后拨杆7,在两机座4间依次布置有燃烧装置2和压缩装置3,在两侧机座4上各安装一套杠杆机构1。
参照图3至图6可知,燃烧装置2同侧前拨杆6、后拨杆7及触杆20固定在转轴16上,燃烧装置2中的活塞条17固定在同侧的转筒18上。前拨杆6和后拨杆7的夹角为29°,前拨杆6比同侧转筒18上的活塞条17所在径向沿转筒旋转方向前移10°;触杆20与同侧的转筒18上的活塞条17所在径向有15°夹角且活塞条17在前。当燃烧装置2中进气管22上的气阀打开时,储气罐15中的压缩气体进入到燃烧腔内,喷油器24也开始喷油,燃油进入到燃烧腔内后关闭喷油器24及进气管22上的气阀,使燃烧腔形成相对封闭的空间。此时电火花控制器19点火,燃烧腔内的燃油燃烧瞬间,燃烧腔压强大于排气腔压强,从而推动燃烧装置2中的活塞条17及其转筒18转动(转筒18的两端面与燃烧缸21两内端面、活塞条17的两端面与燃烧缸21两内端面间隙均为0.3-0.6mm,活塞条17的顶面与燃烧缸21内表面间隙为0.3-0.45mm),排气腔内气体经排气管23排出。转轴16转动时,前拨杆6接触滚轮时会下压滚轮8,使滚轮8迅速下降至最低处,由杠杆原理可知,以托架9为支点,滚轮8为外端点,杠杆10为杠杆轴,闸板13为里端点,当滚轮8下降时,通过杠杆10传递运动,使闸板13迅速上升,避免燃烧装置2中转筒18上的活塞条17转动过程中与闸板13碰撞,当该活塞条17转到闸板13位置时,前拨杆6与滚轮8脱离接触。转轴16继续转动时,由于后拨杆7与滚轮8接触部位为三角形设计(三角劈尖结构),后拨杆7与滚轮8接触时使滚轮8迅速上升至最高处,同理由于杠杆原理,滚轮8上升,闸板13迅速下降至最低点,闸板13升降过程中(闸板13与燃烧缸21顶部的闸板槽间隙为0.3-0.45mm),拉簧11可稳定杠杆10并保证闸板13与转筒18的接触,阻碍空气溢出,闸板13在最低点时与转筒18接触时间隙为0.3-0.45mm。转轴16继续转动至该活塞条17接近喷油器24位置时,触杆20触碰到进气管22中的气阀开关,储气罐15中的压缩气体进入到燃烧腔内,喷油器24再次打开,燃油进入到燃烧腔内后关闭进气管22中的气阀及喷油器24,使其形成一个相对封闭的空间,此为燃烧的一个循环过程。
参照图2、图4、图5、图7可知,在压缩装置3内,随着转轴16转动,压缩腔逐渐减小,负压腔逐渐增大。随着压缩装置3中转筒18转动使压缩腔内的压缩气体经出气管14上的单向阀进入到储气罐15中,单向阀是当压缩腔内的压强高于储气罐15内的压强时,单向阀打开,否则单向阀关闭。压缩腔逐渐减小过程中,负压腔逐渐增大且其内部气压低于大气压,此时外界空气会经吸气管12进入到负压腔内。转轴16继续转动,压缩装置3同侧的前后拨杆也随之转动,当前拨杆6接触滚轮8时,继续转动后会下压滚轮8,迅速使滚轮8下降至最低处,闸板13迅速上升,避免活塞条17转动过程中与闸板13碰撞(活塞条17的顶面与燃烧缸21内表面间隙为0.3-0.45mm),当活塞条17转到闸板13位置时,前拨杆6与滚轮8脱离接触。转轴16继续转动时,后拨杆7与滚轮8接触,使滚轮8迅速上升至最高处,同理由于杠杆原理,滚轮8上升,闸板13迅速下降至最低点,升降过程中(闸板13与压缩缸21顶部的闸板槽间隙为0.3-0.45mm),拉簧11可稳定杠杆10并保证闸板13与转筒18的接触,阻碍空气溢出,此为压缩的一个循环过程。闸板13在最低点时与转筒18接触时间隙为0.3-0.45mm,转筒18的两端面与压缩缸5两内端面间隙为0.3-0.6mm。
转轴16两外端的前拨杆6沿转轴径向且成180°布置,两外端的后拨杆7沿转轴径向且成180°布置;压缩装置3中转筒上的活塞条17与燃烧装置2中转筒上的活塞条17成180°布置。
排气管23、吸气管12上分别布置有单向阀。

Claims (4)

1.一种旋转式活塞内燃机的气缸结构,其特征是:包括转轴,转轴两侧安装在机座上,转轴的两外端分别固定有前拨杆和后拨杆,前拨杆和后拨杆的夹角为29°,两外端的前拨杆沿转轴径向且成180°布置,两外端的后拨杆沿转轴径向且成180°布置;
在两机座间依次布置有燃烧装置和压缩装置,所述燃烧装置包括固定于转轴上的转筒,转筒表面沿轴向固定有活塞条,在转筒外配有燃烧缸,燃烧缸与机座固定,燃烧缸的顶部沿轴向设置有闸板槽,闸板槽上配有间隙配合的闸板;由燃烧缸内表面和两内端面、转筒表面、活塞条两相对面、闸板两相对面形成两个空间,沿转筒旋转方向逐渐缩小的空间为排气腔,沿转筒旋转方向逐渐扩大的空间为燃烧腔;在燃烧缸的闸板槽两侧分别连接有进气管、排气管,在进气管一侧的燃烧缸上还布置有喷油器和电火花控制器,排气管的两端分别与大气和所述排气腔连通,进气管的两端分别与储气罐和所述燃烧腔连接,进气管上布置有气阀;
所述压缩装置包括固定于转轴上的转筒,转筒表面沿轴向固定有活塞条,在转筒外配有压缩缸,压缩缸与机座固定,压缩缸的顶部沿轴向设置有闸板槽,闸板槽上配有间隙配合的闸板;由压缩缸内表面和两内端面、转筒表面、活塞条两相对面、闸板两相对面形成两个空间,沿转筒旋转方向逐渐缩小的空间为压缩腔,沿转筒旋转方向逐渐扩大的空间为负压腔;在压缩缸的闸板槽两侧分别连接有吸气管、出气管,吸气管的两端分别与大气和所述负压腔连通,出气管的两端分别与储气罐和所述压缩腔连接,出气管上布置有单向阀;
所述压缩装置中转筒上的活塞条与所述燃烧装置中转筒上的活塞条成180°布置;
所述前拨杆比同侧转筒上的活塞条所在径向沿转筒旋转方向前移10°;
在两侧机座上各安装一套杠杆机构,所述杠杆机构包括固定于机座上的托架,与托架铰接的杠杆,杠杆的里端与同侧转筒上的闸板铰接,杠杆的外端安装有滚轮,滚轮与同侧旋转的前拨杆瞬间接触,接触时前拨杆迅速把杠杆外端压下,之后滚轮与同侧旋转的后拨杆瞬间接触,接触时后拨杆迅速将杠杆外端顶起,让与杠杆里端铰接的闸板作上下垂直运动。
2.根据权利要求1所述的一种旋转式活塞内燃机的气缸结构,其特征是:所述燃烧缸进气管上的气阀由固定在转轴径向的触杆控制,触杆与所述气阀接触时气阀开通,不接触时气阀关闭;触杆与同侧的转筒上的活塞条所在径向有15°夹角且活塞条在前。
3.根据权利要求1所述的一种旋转式活塞内燃机的气缸结构,其特征是:在托架的里侧杠杆与机座之间布置有拉簧。
4.根据权利要求1所述的一种旋转式活塞内燃机的气缸结构,其特征是:所述排气管、吸气管上分别布置有单向阀。
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