CN2881581Y - 封堵液压锁紧回路 - Google Patents

封堵液压锁紧回路 Download PDF

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Publication number
CN2881581Y
CN2881581Y CN 200520092222 CN200520092222U CN2881581Y CN 2881581 Y CN2881581 Y CN 2881581Y CN 200520092222 CN200520092222 CN 200520092222 CN 200520092222 U CN200520092222 U CN 200520092222U CN 2881581 Y CN2881581 Y CN 2881581Y
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Prior art keywords
valve
oil
blocking
back pressure
model
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Expired - Fee Related
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CN 200520092222
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Inventor
姜本凯
崔绍华
王永国
李川月
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Dalian Modern Auxiliary Machinery Development and Manufacturing Co Ltd
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Dalian Modern Auxiliary Machinery Development and Manufacturing Co Ltd
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Abstract

本实用新型涉及试漏机,封堵液压锁紧回路,封堵油缸输出回路串联有减压阀、调速阀,回路中串联一个丫型三位四通电磁换向阀和液控单向阀。本实用新型原理简单,实用性强,回路由丫型三位四通电磁换向阀和液控单向阀将液压系统供油与油缸油隔离,起到锁紧封堵油缸回路作用,工件充气时,液压系统产生的压力波动可由液控单向阀隔离,检测完成后液控单向阀打开,封堵油缸退回,解决了由于液压系统压力波动或工件充气引起封堵端压力增高,造成试漏重复检测精度低的问题,大大提高检测精度。

Description

封堵液压锁紧回路
技术领域:
本实用新型涉及机床,特别是用于工件试漏的试漏机。
背景技术:
目前试漏封堵油缸的液压回路都不带锁紧和隔离功能,所以当液压系统压力影响封堵明显,如系统压力波动或在工件充气时引起封堵后退现象,使封堵变形量变化,造成试漏重复检测精度低的问题。
发明内容:
本实用新型的目的是解决上述问题,提供一种封堵液压锁紧回路,能消除液压压力波动或工件充气引起封堵端压力增高,造成试漏重复检测精度低问题。
本实用新型为实现上述目的所采用的技术方案是:封堵液压锁紧回路,封堵油缸输出回路串联有减压阀、调速阀,回路中串联一个丫型三位四通电磁换向阀和液控单向阀。
本实用新型原理简单,实用性强,回路由丫型三位四通电磁换向阀和液控单向阀将液压系统供油与油缸油隔离,起到锁紧封堵油缸回路作用,工件充气时,液压系统产生的压力波动可由液控单向阀隔离,检测完成后液控单向阀打开,封堵油缸退回,解决了由于液压系统压力波动或工件充气引起封堵端压力增高,造成试漏重复检测精度低的问题,大大提高检测精度。
附图说明:
图1为本实用新型原理示意图。
具体实施方式:
如图所示封堵液压锁紧回路,封堵油缸6输出回路串联有压继电器2、减压阀5和调速阀3,回路中串联一个丫型三位四通电磁换向阀1和液控单向阀4。当封堵时,封堵油缸6大腔通油,封堵到位丫型三位四通电磁换向阀换向至中位,丫型三位四通电磁换向阀A、B口都与油箱相通,压力近似为零,油缸端压力高,驱动液控单向阀4动作,将封堵油缸6大腔油与A端相隔,起到锁紧封堵油缸回路作用,当丫型三位四通电磁换向阀换向B通油,液控单向阀打开封堵油缸退回。

Claims (1)

1、封堵液压锁紧回路,封堵油缸输出回路串联有减压阀、调速阀,其特征是:回路中串联一个丫型三位四通电磁换向阀(1)和液控单向阀(4)。
CN 200520092222 2005-08-18 2005-08-18 封堵液压锁紧回路 Expired - Fee Related CN2881581Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520092222 CN2881581Y (zh) 2005-08-18 2005-08-18 封堵液压锁紧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520092222 CN2881581Y (zh) 2005-08-18 2005-08-18 封堵液压锁紧回路

Publications (1)

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CN2881581Y true CN2881581Y (zh) 2007-03-21

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CN 200520092222 Expired - Fee Related CN2881581Y (zh) 2005-08-18 2005-08-18 封堵液压锁紧回路

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CN (1) CN2881581Y (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101368867B (zh) * 2008-07-11 2010-10-13 王颖峰 自锁紧式手动封堵装置
CN102912778A (zh) * 2011-08-05 2013-02-06 四川宏华石油设备有限公司 锁紧装置及其液压控制系统
CN106246624A (zh) * 2016-08-31 2016-12-21 莱州市蔚仪试验器械制造有限公司 试样镶嵌机的压力保持回路装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101368867B (zh) * 2008-07-11 2010-10-13 王颖峰 自锁紧式手动封堵装置
CN102912778A (zh) * 2011-08-05 2013-02-06 四川宏华石油设备有限公司 锁紧装置及其液压控制系统
CN102912778B (zh) * 2011-08-05 2014-11-12 四川宏华石油设备有限公司 锁紧装置及其液压控制系统
CN106246624A (zh) * 2016-08-31 2016-12-21 莱州市蔚仪试验器械制造有限公司 试样镶嵌机的压力保持回路装置

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C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Dalian Yida Nippei Machine Tool Co., Ltd.

Assignor: Dalian Modern Auxiliary Machinery Development and Manufacturing Co., Ltd.

Contract fulfillment period: 2007.4.1 to 2012.4.1

Contract record no.: 2008210000043

Denomination of utility model: Blocking hydraulic locking circuit

Granted publication date: 20070321

License type: Exclusive license

Record date: 20081103

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.4.1 TO 2012.4.1; CHANGE OF CONTRACT

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Granted publication date: 20070321

Termination date: 20120818