CN105697141B - 风冷λ型二冲程双塞式柴油增压发动机 - Google Patents
风冷λ型二冲程双塞式柴油增压发动机 Download PDFInfo
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Abstract
一种风冷Λ型二冲程双塞式柴油增压发动机,包括气缸及设置在气缸内的活塞,气缸为由两个斜向上的支气缸在顶部相交形成的夹角小于180度的“Λ”形结构,在每个支气缸内设置有活塞,两个支气缸内的活塞为同步做向上和向下的相对相离运动的结构,当两个活塞向上活动至上止点的时候在“Λ”形结构的顶角内形成燃烧室。其摒弃了四冲程式对的复杂结构,在不增加制造成本和工艺的前提系实现了节油环保、减小震动噪音、提高动力性能的目的。
Description
技术领域
本发明涉及一种发动机,尤其涉及一种风冷Λ型二冲程双塞式柴油增压发动机。
背景技术
目前的汽车发动机无论时汽油机还是柴油机都存在制造成本高、结构和制造工艺复杂,节油和环保能力差、震动噪音大和同等条件下动力性能差的问题。
发明内容
发明目的:
本发明提供一种风冷Λ型二冲程双塞式柴油增压发动机,其目的是解决以往所存在的问题。
技术方案:
一种风冷Λ型二冲程双塞式柴油增压发动机,包括气缸及设置在气缸内的活塞,其特征在于:气缸为由两个斜向上的支气缸在顶部相交形成的夹角小于180度的“Λ”形结构,在每个支气缸内设置有活塞,两个支气缸内的活塞为同步做向上和向下的相对相离运动的结构,当两个活塞向上活动至上止点的时候在“Λ”形结构的顶角内形成燃烧室。
所述活塞的前端面包括接触面和斜坡面,当两个支气缸内的活塞到达上止点时两个接触面接触,两个斜坡面与缸体围拢成燃烧室,斜坡面为带有凹槽的斜坡面。
两个支气缸分为第一支气缸和第二支气缸,该发动机还包括涡轮机和空气增压机,涡轮机与空气增压机同轴联动,涡轮机通过排烟气管与第一支气缸的容纳活塞的内腔连通并在连通处形成排烟气口,涡轮机上还设置有将废气排出的废气排出管;
空气增压机的进气管路分为两条管路,其中一条管路通过空气增压进气管与第一支气缸内腔连通并在连通处形成第一进气口,空气增压机的另一条管路与第二支气缸的内腔连通并在连通处形成第二进气口;
在第一支气缸内腔当活塞向上止点移动时或移动至上顶点处时将排烟气口封闭并将第一进气口打开,当第一支气缸内当活塞向下止点移动时或移动至下止点处时将排烟气口打开并将第一进气口封闭;
在第二支气缸的内腔,当活塞向上止点上升时或上升至上止点处时将第二进气口封闭,当活塞向下止点移动时或移动至下止点处时将第二进气口打开。
空气增压机的另一条管路与第二支气缸的内腔连通并在连通处形成第二进气口和第三进气口,在第二支气缸的内腔,当活塞向上止点上升时或上升至上止点处时将第二进气口封闭同时将第三进气口打开,当活塞向下止点移动时或移动至下止点处时将第二进气口打开同时将第三进气口封闭。
活塞底部通过连杆与气缸底部曲轴箱内的曲轴连接;曲轴箱连通有内进气导管,该内进气导管与第一支气缸或第二支气缸的内腔连通并在连通处形成内进气口35,当活塞向上止点上升时或上升至上止点处时将内进气口封闭,当活塞向下止点移动时或移动至下止点处时将内进气口打开。
气缸包括缸体和套在缸体内的缸筒,活塞设置在缸筒内,缸体和缸筒之间形成风冷通道,第一支气缸和第二支气缸的风冷通道连通;风冷通道与缸体上散热排气管连通;
该发动机还包括有冷风机、电排热风机或者冷风机和电排热风机同时设置,
冷风机与涡轮机同轴联动,冷风机通过输冷管路与风冷通道连通;
电排热风机通过排热管路与风冷通道连通,电排热风机与车载电源连接。
输冷管路和排热管路均连接至“Λ”形气缸的顶部的风冷通道处;在涡轮机的废气排出管出口连接有风轮发电机,即在发电机的输入轴上设置有风轮,废气排出管排出的废气驱动风轮旋转。
气缸为多组,多组第一支气缸底部为第一曲轴箱,多组第二支气缸底部为第二曲轴箱,第一曲轴箱下和第二曲轴箱下均设置有曲轴机油箱,两个曲轴机油箱通过导油管连通至机油底盒;
相邻的两个支气缸底部的曲轴机油箱之间相对独立,两个相邻的曲轴机油箱之间通过间隔板分隔,间隔板底部设置有能向一侧开启的折板,在折板底部设置由半圆形机油通孔,半圆形机油通孔淹没于机油中,该通孔使得各个曲轴机油箱之间保持机油连通;相邻的两个支气缸底部的曲轴机油箱之间相对密封。
第一曲轴箱和第二曲轴箱内的曲轴带动齿轮式机油泵, 齿轮式机油泵通过两个机油滤清器与机油管及机油道连接分别为两个曲轴箱及其他所需润滑部件供油,在两个机油滤清器的出油管间设置有连通管。
缸筒外壁为螺旋片状凸起。
优点及效果
本发明是一种风冷Λ型二冲程双塞式柴油增压发动机,其采用Λ型气缸结构和二冲程式结构,摒弃了四冲程式对的复杂结构,在不增加制造成本和工艺的前提系实现了节油环保、减小震动噪音、提高动力性能的目的。
附图说明
图1为本发明的主要结构示意图;
图2为本发明的整体结构示意图;
图3为本发明的底部的结构示意图;
图4为本发明的局部结构示意图;
图5为本发明的缸体结构示意图。
具体实施方式
下面结合附图对本发明做进一步的说明:
如图1所示,本发明提出了一种风冷Λ型二冲程双塞式柴油增压发动机,包括气缸及设置在气缸内的活塞19,气缸为由两个斜向上的支气缸在顶部相交形成的夹角小于180度的“Λ”形结构,在每个支气缸内设置有活塞19,两个支气缸内的活塞19为同步做向上和向下的相对相离运动的结构,当两个活塞19向上活动至上止点的时候在“Λ”形结构的顶角内形成燃烧室31。
所述活塞19的前端面包括接触面49和斜坡面50,当两个支气缸内的活塞19到达上止点时两个接触面49接触靠紧,两个斜坡面50与缸体围拢成燃烧室31,斜坡面50为带有凹槽的斜坡面。接触面49接触,斜坡面50形成燃烧室可以保证足够的压缩比,凹槽的设计是为了在燃烧室31内的空气压燃做功时,空气的力作用于凹槽内,使活塞19向下运行时上下受力均衡,防止气缸与上气缸壁造成的偏磨,因为气缸上壁的润滑机油相比于下壁要少。
两个支气缸分为第一支气缸和第二支气缸,该发动机还包括涡轮机1和空气增压机3,涡轮机1与空气增压机3同轴联动,涡轮机1通过排烟气管17与第一支气缸的容纳活塞19的内腔连通并在连通处形成排烟气口32,涡轮机1上还设置有将废气排出的废气排出管33;在涡轮机1的废气排出管33处连接有风轮发电机,即在发电机的输入轴上设置有风轮,废气排出管33排出的废气驱动风轮旋转,这样更加有利于能量的回收利用。
空气增压机3的进气管路分为两条管路,其中一条管路通过空气增压进气管18与第一支气缸内腔连通并在连通处形成第一进气口34,空气增压机的另一条管路与第二支气缸的内腔连通并在连通处形成第二进气口3a1;
在第一支气缸内腔当活塞19向上止点移动时或移动至上顶点处时将排烟气口32封闭并将第一进气口34打开,当第一支气缸内当活塞19向下止点移动时或移动至下止点处时将排烟气口打开并将第一进气口封闭;
在第二支气缸的内腔,当活塞19向上止点上升时或上升至上止点处时将第二进气口3a1封闭,当活塞19向下止点移动时或移动至下止点处时将第二进气口3a1打开。
空气增压机的另一条管路与第二支气缸的内腔连通并在连通处形成第二进气口3a1和第三进气口3a2,在第二支气缸的内腔,当活塞19向上止点上升时或上升至上止点处时将第二进气口3a1封闭同时将第三进气口3a2打开,当活塞19向下止点移动时或移动至下止点处时将第二进气口3a1打开同时将第三进气口3a2封闭。
活塞19底部通过连杆20与气缸底部曲轴箱内的曲轴39连接;曲轴箱连通有内进气导管15,该内进气导管15与第一支气缸或第二支气缸的内腔连通并在连通处形成内进气口35,当活塞19向上止点上升时或上升至上止点处时将内进气口封闭,当活塞19向下止点移动时或移动至下止点处时将内进气口打开。
气缸包括缸体28和套在缸体28内的缸筒13a,活塞19设置在缸筒13a内,缸体28和缸筒13a之间形成风冷通道36,第一支气缸和第二支气缸的风冷通道连通;风冷通道与缸体28上散热排气管12连通;缸筒13a外壁为螺旋状凸起。这样设置可以很好的增强散热效果。
该发动机还包括有冷风机2、电排热风机21或者冷风机2和电排热风机21同时设置,
冷风机2与涡轮机1同轴联动,冷风机2通过输冷管路与风冷通道连通;
电排热风机21通过排热管路与风冷通道连通,电排热风机21与车载电源连接。
输冷管路和排热管路均连接至“Λ”形气缸的顶部的风冷通道处。
气缸为多组,多组第一支气缸底部为第一曲轴箱,对应对面的多组第二支气缸底部为第二曲轴箱,第一曲轴箱下和第二曲轴箱下均设置有曲轴机油箱10,两个曲轴机油箱通过导油管8连通至机油底盒5;机油底盒5的底部设置有排机油阀,并且在齿轮箱体上设置有机油加注口。
相邻的两个支气缸底部的曲轴机油箱之间各自独立封闭,两个相邻的曲轴机油箱之间通过间隔板分隔,间隔板底部设置有能向一侧开启的折板37,在折板底部设置由半圆形机油通孔,半圆形机油通孔淹没于机油中,该通孔使得各个曲轴机油箱之间保持机油连通回流,而淹没于机油中是为了保证密封性;相邻的两个支气缸底部的曲轴机油箱之间相对密封。
第一曲轴箱和第二曲轴箱内的曲轴39带动齿轮式机油泵,第一曲轴箱和第二曲轴箱内的曲轴的端部均设置有曲轴延出端伞形齿轮22,伞形齿轮与设置在连通轴24两端的连通轴伞形齿轮23啮合,连通轴上还设置有连通轴驱动齿轮盘26,连通轴驱动齿轮盘与飞轮主轴端齿轮25啮合,飞轮主轴端齿轮设置在位于气缸底部空腔齿轮箱30内的飞轮主轴上,飞轮主轴的另一端设置有飞轮40,飞轮的一侧设置有与飞轮联动且与启动机48输出齿轮啮合的飞轮齿圈47;其中一个曲轴延出端伞形齿轮啮合喷油泵11的驱动齿轮,喷油泵一方面通过高压油管与喷油器16连通,喷油器16伸进燃烧室内,喷油泵另一方面通过柴汽油滤清器43与输油泵46连接,输油泵通过油水分离器42连接至油箱41,多个喷油器的上端之间通过回油管路45连通,回油管路通过喷油泵11返回。
连通轴驱动齿轮盘与齿轮式机油泵的齿轮啮合,机油泵通过机油滤清器4连通至机油管路,为整个装置供油。因本发明对的供油、点火和润滑原理与其他发动机基本一致,在此就不再赘述,但是本发明的机油滤清器为两个,分别连接两个曲轴箱及第一支气缸和第二支气缸,在两个机油滤清器的出油管间设置由连通管38,这样设置的好处是当其中一个机油滤清器堵塞的时候,另一个机油滤清器可以正常工作不影响整个系统的运行。
本发明在运行的时候,启动机48启动,带动飞轮40转动,通过飞轮主轴30a带动连通轴24转动,从而使得两侧的曲轴39运转,进而启动活塞19运转,当每组气缸内的两个活塞19运行向上运行至上止点时,将燃烧室31内的空气压缩,此时,排烟气口32、内进气口35和第二进气口3a1被活塞封闭,第一进气口34和第三进气口3a2打开,然后通过喷油器16喷油,混合油气因高压高温点燃并推动两活塞19各自向下止点运行做功,之后排烟气口32被打开,废气从排烟气口32排出,排出的排烟气口32驱动涡轮机1转动,涡轮机1带动冷风机2和空气增压机3旋转做功,冷风机2将冷空气打进风冷通道36内,对缸筒进行冷却,在风冷通道36内经过热交换的空气从散热排气管12排出,排出的热气可用于驾驶室内的暖风或者直接排出;而空气增压机3将经过空气滤清器过滤净化的空气从第二进气口3a1打进缸筒13a内活塞前端为活塞提供压缩空气,而当活塞19再次向上运行时,排烟气口32和第二进气口3a1被封闭,此时,第一进气口34和第三进气口3a2再次打开,而此时持续运转的空气增压机3又将空气通过第一进气口34和第三进气口3a2打进缸筒13a内活塞19下方的曲轴箱内,当活塞再次向下运行时,第一进气口34和第三进气口3a2封闭,排烟气口32排气,第二进气口3a1打开,活塞在向下移动的过程中压缩其下部空腔内的空气,使其下部空腔内的空气从内进气口35被压缩进缸筒13a内活塞前端为活塞提供压缩空气,同时,空气增压机3继续通过第二进气口3a1将空气压进缸筒13a内活塞前端,进而使得内进气口35和第二进气口3a1同时进气,使得扫除废气时,缸体内进气量大大增加。
本发明采用风冷设计,取消了水冷的一切设备,同时,其采用Λ型气缸结构和二冲程式结构,使得结构简单,基座更加稳定,因活塞都是对应相向运行,使其大大减小了振动噪音,同时,因为是对置双塞式两套进气系统,增加了近一倍的进气量和活塞的受力面积,也增加了活塞的运动行程,提高了本机的动力性能,而且本发明也实现了节油环保、减小振动噪音的目的。
Claims (9)
1.一种风冷Λ型二冲程双塞式柴油增压发动机,包括气缸及设置在气缸内的活塞(19),其特征在于:气缸为由两个斜向上的支气缸在顶部相交形成的夹角小于180度的“Λ”形结构,在每个支气缸内设置有活塞(19),两个支气缸内的活塞(19)为同步做向上和向下的相对相离运动的结构,当两个活塞(19)向上活动至上止点的时候在“Λ”形结构的顶角内形成燃烧室(31);
两个支气缸分为第一支气缸和第二支气缸,该发动机还包括涡轮机(1)和空气增压机(3),涡轮机(1)与空气增压机(3)同轴联动,涡轮机(1)通过排烟气管(17)与第一支气缸的容纳活塞(19)的内腔连通并在连通处形成排烟气口(32),涡轮机(1)上还设置有将废气排出的废气排出管(33);
空气增压机(3)的进气管路分为两条管路,其中一条管路通过空气增压进气管(18)与第一支气缸内腔连通并在连通处形成第一进气口(34),空气增压机的另一条管路与第二支气缸的内腔连通并在连通处形成第二进气口(3a1);
在第一支气缸内腔当活塞(19)向上止点移动时或移动至上顶点处时将排烟气口(32)封闭并将第一进气口(34)打开,当第一支气缸内当活塞(19)向下止点移动时或移动至下止点处时将排烟气口打开并将第一进气口封闭;
在第二支气缸的内腔,当活塞(19)向上止点上升时或上升至上止点处时将第二进气口(3a1)封闭,当活塞(19)向下止点移动时或移动至下止点处时将第二进气口(3a1)打开。
2.根据权利要求1所述的风冷Λ型二冲程双塞式柴油增压发动机,其特征在于:所述活塞(19)的前端面包括接触面(49)和斜坡面(50),当两个支气缸内的活塞(19)到达上止点时两个接触面(49)接触,两个斜坡面(50)与缸体围拢成燃烧室(31),斜坡面(50)为带有凹槽的斜坡面。
3.根据权利要求1所述的风冷Λ型二冲程双塞式柴油增压发动机,其特征在于:空气增压机的另一条管路与第二支气缸的内腔连通并在连通处形成第二进气口(3a1)和第三进气口(3a2),在第二支气缸的内腔,当活塞(19)向上止点上升时或上升至上止点处时将第二进气口(3a1)封闭同时将第三进气口(3a2)打开,当活塞(19)向下止点移动时或移动至下止点处时将第二进气口(3a1)打开同时将第三进气口(3a2)封闭。
4.根据权利要求1所述的风冷Λ型二冲程双塞式柴油增压发动机,其特征在于:活塞(19)底部通过连杆(20)与气缸底部曲轴箱内的曲轴(39)连接;曲轴箱连通有内进气导管(15),该内进气导管(15)与第一支气缸或第二支气缸的内腔连通并在连通处形成内进气口(35),当活塞(19)向上止点上升时或上升至上止点处时将内进气口封闭,当活塞(19)向下止点移动时或移动至下止点处时将内进气口(35)打开。
5.根据权利要求1所述的风冷Λ型二冲程双塞式柴油增压发动机,其特征在于:气缸包括缸体(28)和套在缸体(28)内的缸筒(13a),活塞(19)设置在缸筒(13a)内,缸体(28)和缸筒(13a)之间形成风冷通道(36),第一支气缸和第二支气缸的风冷通道连通;风冷通道与缸体(28)上散热排气管(12)连通;
该发动机还包括有冷风机(2)、电排热风机(21)或者冷风机(2)和电排热风机(21)同时设置,
冷风机(2)与涡轮机(1)同轴联动,冷风机(2)通过输冷管路与风冷通道连通;
电排热风机(21)通过排热管路与风冷通道连通,电排热风机(21)与车载电源连接。
6.根据权利要求5所述的风冷Λ型二冲程双塞式柴油增压发动机,其特征在于:输冷管路和排热管路均连接至“Λ”形气缸的顶部的风冷通道处;在涡轮机(1)的废气排出管(33)出口连接有风轮发电机,即在发电机的输入轴上设置有风轮,废气排出管(33)排出的废气驱动风轮旋转。
7.根据权利要求4所述的风冷Λ型二冲程双塞式柴油增压发动机,其特征在于:气缸为多组,多组第一支气缸底部为第一曲轴箱,多组第二支气缸底部为第二曲轴箱,第一曲轴箱下和第二曲轴箱下均设置有曲轴机油箱(10),两个曲轴机油箱通过导油管(8)连通至机油底盒(5);
相邻的两个支气缸底部的曲轴机油箱之间相对独立,两个相邻的曲轴机油箱之间通过间隔板分隔,间隔板底部设置有能向一侧开启的折板(37),在折板底部设置由半圆形机油通孔,半圆形机油通孔淹没于机油中,该通孔使得各个曲轴机油箱之间保持机油连通;相邻的两个支气缸底部的曲轴机油箱之间相对密封。
8.根据权利要求7所述的风冷Λ型二冲程双塞式柴油增压发动机,其特征在于:第一曲轴箱和第二曲轴箱内的曲轴带动齿轮式机油泵, 齿轮式机油泵通过两个机油滤清器(4)与机油管及机油道连接分别为两个曲轴箱及其他所需润滑部件供油,在两个机油滤清器的出油管间设置有连通管(38)。
9.根据权利要求5所述的风冷Λ型二冲程双塞式柴油增压发动机,其特征在于:缸筒(13a)外壁为螺旋片状凸起。
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CN204783266U (zh) * | 2015-04-23 | 2015-11-18 | 黄淇达 | 一种对撞式活塞发动机 |
CN205689300U (zh) * | 2016-03-24 | 2016-11-16 | 张忠友 | 风冷λ型二冲程双塞式柴油增压发动机 |
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