CN88103729A - 有支承传动轴的径向轴承的压缩机 - Google Patents

有支承传动轴的径向轴承的压缩机 Download PDF

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Publication number
CN88103729A
CN88103729A CN88103729.XA CN88103729A CN88103729A CN 88103729 A CN88103729 A CN 88103729A CN 88103729 A CN88103729 A CN 88103729A CN 88103729 A CN88103729 A CN 88103729A
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China
Prior art keywords
radial bearing
compressor
outside
transmission shaft
bearing
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Expired - Lifetime
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CN88103729.XA
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CN1013048B (zh
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宫沢清
清水茂美
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Sanden Corp
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Sanden Corp
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Publication of CN88103729A publication Critical patent/CN88103729A/zh
Publication of CN1013048B publication Critical patent/CN1013048B/zh
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2230/00Manufacture
    • F04C2230/70Disassembly methods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00Engines or pumps
    • F16C2360/42Pumps with cylinders or pistons
    • 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53104Roller or ball bearing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)

Abstract

一种压缩机有机壳,有固定在机壳一端上的前壳,和用径向轴承支承在前壳中作旋转的传动轴。一个轴封机构放在两径向轴承之间,在机壳的内外侧之间密封。外侧的径向轴承设一个牵引部,便于从外部将轴承取出。因此,由于外侧的径向轴承易于从外方卸除,更换轴封机构的保养工作有改进。

Description

本发明与一种压缩机有关,具体有关有支承传动轴的径向轴承的压缩机。
参看图1,示传统涡卷式压缩机的构造。压缩机1有机壳10,有前端板11和杯形壳12,后者固定在前端板11的一个端面上。压缩机壳10中放置一个驱动机构和作压缩运转的压缩机构。
在前端板11中心形成供传动轴13穿过的开孔111。传动轴13的一端和环形圆盘14固定连接,环形圆盘用在开孔111中固定放置的径向轴承15支持作旋转。传动轴13的另端穿出管形前轴毂16空腔的外侧,前轴毂16用螺栓17紧固在前端板11的外端面上。径向轴承18在管形前轴毂16的内表面上紧固,支持传动轴13的另端作旋转。轴密封件19在前端板11的一侧,放在管形前轴毂16的内表面和传动轴13的外表面之间,位于前端板11的一侧,而不是位于径向轴承18那一侧,密封了压缩机壳10的内部,防止其中的冷冻剂和润滑油漏出。
在上述结构中,因为轴封机构19易损坏,轴封机构19比任何其他部件需较经常更换。因此,在理想上需使轴封机构易保养。在上述的压缩机中,轴封机构19的保养按下述步骤先后进行。首先拧松螺栓17,将前轴毂16和前端板11松卸。其次将前轴毂16从前端板11上拆卸。同时,将固定放在前毂16内的径向轴承18,和前轴毂16一同从传动轴13上拆卸。第三步中将轴封机构19通过传动轴13的端部拆卸。
但是上述的更换步骤很复杂,从而保养效率低。此外,因为前轴毂16及前端板11分别制造和组装,所以制造成本高。
本发明的一个主要目的,是提出有支承传动轴的径向轴承的压缩机,有高保养性能。
本发明的另一目的,是提出一种有支承传动轴的径向轴承的压缩机,其制造成本低廉。
本发明提出的一种压缩机有一个压缩机壳,有一个固定在压缩机壳一端上的前壳,和通过径向轴承安装在前壳中旋转的传动轴。一个放在两径向轴承间的轴封机构,作压缩机壳内外侧间的密封。放在外侧的一个径向轴承设有牵引部,以便从外侧取出。
本发明的其他目的,特点和其他方面,从关于本发明理想实施方案的参考附图的详细叙述便可有所了解。
图1为传统涡卷式压缩机的剖视。
图2为前壳结构的剖视,其中有支承本发明一个方案中的传动轴的径向轴承。
参看图2,示一个前壳结构,其中有根据本发明一实例支承传动轴的径向轴承。杯形壳12的一个开孔,用一个前壳20盖闭,前壳20有整体的前端板部201和管形轴毂部202。第一通孔201a在前端板部201的中心上形成,第二通孔202a在管形前轴毂部202上形成,和第一通孔201a接通,从而传动轴13通过第一及第二通孔201a及202a伸到外面。传动轴13的环形圆盘14通过在第一通孔201a中固定的径向轴承21,用第一通孔201a支承作旋转。传动轴13的另端也用固定在第二通孔202a内表面和传动轴13外表面之间的径向轴承22,支承在管形前轴毂部202中作旋转。轴封机构19放在传动轴13外表面上与第一及第二通孔201a及202a压靠,防止冷冻剂气体和润滑油通过通孔201a及202a向外漏出。
径向轴承22的一端有一个露出部分221。环形槽221a在露出部分221的外表面上形成将其围绕。因此更换径向轴承22时方便,仅需用夹具在环形槽221a中吊往。因此,在上述压缩机壳中,通过从壳外将径向轴承22拉出,便很容易将轴封机机19从传动轴13上取下,从而改进更换轴封机构的保养操作。
上面结合理想实施方案,已对本发明作详细叙述,但仅作为举例而对本发明不作限制。熟悉本技艺者易于了解,在本发明的范围内可作其他的变化和修改。

Claims (4)

1、一种压缩机,有一个压缩机壳,一个前壳固定在该压缩机壳的一端,一个传动轴通过径向轴承支承在该前壳中作旋转,一个轴封机构放在该两径向轴承之间,在该压缩机壳的内外侧间密封,改进之处在于该两径向轴承中之一设有牵引部,以便从外面拉出。
2、如权利要求1中之压缩机,而特征为该牵引部向外露出。
3、如权利要求1或2中之压缩机,而特征为该牵引部为一环形槽,在该径向轴承的外表面径向地伸展。
4、如权利要求1至3项中之压缩机,而特征为该压缩机壳有整体形成的一个前端板部和一个管形前轴毂部,前端板部设开孔,供该传动轴外伸,一个管形前轴毂部和该开孔接通,在外侧围绕该传动轴。
CN88103729A 1987-06-16 1988-06-16 有支承传动轴的径向轴承的压缩机 Expired CN1013048B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1987091333U JPH0216071Y2 (zh) 1987-06-16 1987-06-16
JP91,333/87 1987-06-16

Publications (2)

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CN88103729A true CN88103729A (zh) 1988-12-28
CN1013048B CN1013048B (zh) 1991-07-03

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US (1) US4940342A (zh)
EP (1) EP0295664B1 (zh)
JP (1) JPH0216071Y2 (zh)
KR (1) KR960010653B1 (zh)
CN (1) CN1013048B (zh)
AU (1) AU613638B2 (zh)
DE (1) DE3861065D1 (zh)

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Also Published As

Publication number Publication date
CN1013048B (zh) 1991-07-03
JPS63200686U (zh) 1988-12-23
AU613638B2 (en) 1991-08-08
EP0295664A2 (en) 1988-12-21
DE3861065D1 (de) 1990-12-20
US4940342A (en) 1990-07-10
JPH0216071Y2 (zh) 1990-05-01
EP0295664B1 (en) 1990-11-14
KR890000792A (ko) 1989-03-16
KR960010653B1 (ko) 1996-08-07
AU1742588A (en) 1988-12-22
EP0295664A3 (en) 1989-07-26

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