CN107218204B - 一种带有压缩空气缓冲的曲轴箱 - Google Patents

一种带有压缩空气缓冲的曲轴箱 Download PDF

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CN107218204B
CN107218204B CN201710559709.9A CN201710559709A CN107218204B CN 107218204 B CN107218204 B CN 107218204B CN 201710559709 A CN201710559709 A CN 201710559709A CN 107218204 B CN107218204 B CN 107218204B
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crankcase
opening
piston
water collecting
compressed air
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CN107218204A (zh
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陶娟
戴国俊
李�浩
尚巧兰
刘方保
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Jiangsu Hengda Power Technology Development Co ltd
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Jiangsu Hengda Power Technology Development Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/128Crankcases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027Pulsation and noise damping means
    • F04B39/0055Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/16Filtration; Moisture separation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

本发明公开了一种带有压缩空气缓冲的曲轴箱,用于活塞式空气压缩机安装曲轴,该曲轴箱具有与气缸底面密封的顶面,顶面上设有活塞开口,活塞开口用于连通气缸活塞腔使得连杆能够连接气缸活塞腔内的活塞和曲轴箱内安装的曲轴。曲轴箱的顶部设置有轴箱环道。轴箱环道环绕活塞开口,并在顶面上具有方向朝上的环形开口。轴箱环道用于压缩空气缓冲。环形开口用于与气缸底面上的环形气道对接。曲轴箱侧面安装有集水箱,并在侧边设置有斜向下的集水道。集水道连通集水箱和轴箱环道。

Description

一种带有压缩空气缓冲的曲轴箱
技术领域
本发明涉及曲轴箱,特别涉及活塞式压缩机中用于安装曲轴的箱体。
背景技术
活塞式空气压缩机通过曲轴连杆带动活塞在气缸内往复运动实现空气压缩。一般的活塞式空气压缩机中,当活塞靠近曲轴轴心时,气缸从外界吸入空气;当活塞远离曲轴轴心时对气缸内的空气进行压缩。这种空气压缩机的一个重要问题是气缸吸气时和空气压缩时,活塞受力相差很大,导致振动较大。而且这种空气压缩机由于其自身特性,通常需要分级压缩。分级压缩可降低排气温度,节省压缩功,提高容积效率,增加压缩气体排气量。此外,船用空气压缩机中,由于船舶空间有限,因此对于空气压缩机的体积要求能够做到更加紧凑。
发明内容
本发明所要解决的问题:空气压缩机的体积更加紧凑。
为解决上述问题,本发明采用的方案如下:
一种带有压缩空气缓冲的曲轴箱,用于活塞式空气压缩机安装曲轴,该曲轴箱具有与气缸底面密封的顶面,顶面上设有活塞开口,活塞开口用于连通气缸活塞腔使得连杆能够连接气缸活塞腔内的活塞和曲轴箱内安装的曲轴;曲轴箱的顶部设置有轴箱环道;轴箱环道环绕活塞开口,并在顶面上具有方向朝上的环形开口;轴箱环道用于压缩空气缓冲;环形开口用于与气缸底面上的环形气道对接。
进一步,曲轴箱侧面安装有集水箱,并在侧边设置有斜向下的集水道;集水道连通集水箱和轴箱环道。
进一步,该曲轴箱还包括两个对穿的轴孔开口、右侧开口和左侧开口;两个对穿的轴孔开口用于安装曲轴的轴承座;右侧开口由集水箱密封;左侧开口由盖板密封。
本发明的技术效果如下:曲轴箱直接实现压缩空气缓冲功能,并收集冷凝水实现气液分离,省却了活塞式空气压缩机所需的缓冲机构和气液分离装置,使得空气压缩机结构紧凑。
附图说明
图1是本发明实施例的整体结构示意图。
具体实施方式
下面结合附图对本发明做进一步详细说明。
一种带有压缩空气缓冲的曲轴箱,用于活塞式空气压缩机安装曲轴,如图1所示,包括一个具有五面开口的箱体结构。五面开口分别为:两个对穿的轴孔开口33、右侧开口311、左侧开口312以及顶部的活塞开口331。两个对穿的轴孔开口33用于安装曲轴的轴承座。右左侧开口311、312分别用于曲轴箱内部结构安装调试和维修。左侧开口312通过盖板35密封。右侧开口311由集水箱34密封。也就是说,集水箱34集成了盖板功能。顶部的活塞开口331用于与气缸活塞腔连通使得连杆能够连接气缸活塞腔内的活塞和曲轴箱内的曲轴。活塞开口331位于顶面上,该曲轴箱的顶面与气缸底面相密封。空气压缩机组装时,气缸安装在该曲轴箱的顶面上。该曲轴箱的顶部设置有轴箱环道32和斜向下的集水道321。轴箱环道32环绕活塞开口331设置,并在顶面上具有方向朝上的环形开口322。轴箱环道32用于压缩空气缓冲,并用于收集压缩空气冷却后产生的冷凝水。环形开口322用于与气缸底面上设置的环形气道连通。集水道321连通轴箱环道32和集水箱34。也就是说,集水道321设置于该曲轴箱设置有集水箱34的侧向上。集水道321和集水箱34均具有压缩空气缓冲的功能。轴箱环道32内收集的冷凝水经集水道321流入集水箱34内。
本实施例的曲轴箱上述结构中,五面开口的箱体结构以及轴箱环道32、集水道321所组成的结构由整体铸造而成,集水箱34和盖板35是通过螺丝紧固而成。

Claims (3)

1.一种带有压缩空气缓冲的曲轴箱,用于活塞式空气压缩机安装曲轴,该曲轴箱具有与气缸底面密封的顶面,顶面上设有活塞开口(331),活塞开口(331)用于连通气缸活塞腔使得连杆能够连接气缸活塞腔内的活塞和曲轴箱内安装的曲轴;其特征在于,曲轴箱的顶部设置有轴箱环道(32);轴箱环道(32)环绕活塞开口(331),并在顶面上具有方向朝上的环形开口(322);轴箱环道(32)用于压缩空气缓冲;环形开口(322)用于与气缸底面上的环形气道对接。
2.如权利要求1所述的带有压缩空气缓冲的曲轴箱,其特征在于,曲轴箱侧面安装有集水箱(34),并在侧边设置有斜向下的集水道(321);集水道(321)连通集水箱(34)和轴箱环道(32)。
3.如权利要求2所述的带有压缩空气缓冲的曲轴箱,其特征在于,该曲轴箱还包括两个对穿的轴孔开口(33)、右侧开口(311)和左侧开口(312);两个对穿的轴孔开口(33)用于安装曲轴的轴承座;右侧开口(311)由集水箱(34)密封;左侧开口(312)由盖板密封。
CN201710559709.9A 2017-07-11 2017-07-11 一种带有压缩空气缓冲的曲轴箱 Expired - Fee Related CN107218204B (zh)

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* Cited by examiner, † Cited by third party
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DE1686215U (de) * 1954-08-16 1954-11-04 Balcke Ag Maschbau Zweistufiger hochdruck-kompressor.
US4836093A (en) * 1984-08-20 1989-06-06 American Standard Inc. Piston assembly
DE102004042944B4 (de) * 2004-09-02 2009-09-10 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kolbenkompressor mit einem internen Kühlluftstrom im Kurbelgehäuse
CN203285647U (zh) * 2013-05-08 2013-11-13 浙江罗迪机电科技有限公司 一种设有前盖的活塞式空压机
CN206175168U (zh) * 2016-11-02 2017-05-17 杭州斯柯特机电有限公司 一种真空泵基座
CN207018174U (zh) * 2017-07-11 2018-02-16 江苏恒达动力科技发展股份有限公司 一种带有压缩空气缓冲的曲轴箱

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