CN111255944B - 一种带位置和流量复合反馈功能的先导式比例流量阀 - Google Patents
一种带位置和流量复合反馈功能的先导式比例流量阀 Download PDFInfo
- Publication number
- CN111255944B CN111255944B CN202010363611.8A CN202010363611A CN111255944B CN 111255944 B CN111255944 B CN 111255944B CN 202010363611 A CN202010363611 A CN 202010363611A CN 111255944 B CN111255944 B CN 111255944B
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- CN
- China
- Prior art keywords
- valve
- pilot
- flow
- port
- main valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flow Control (AREA)
- Fluid-Driven Valves (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010363611.8A CN111255944B (zh) | 2020-04-30 | 2020-04-30 | 一种带位置和流量复合反馈功能的先导式比例流量阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010363611.8A CN111255944B (zh) | 2020-04-30 | 2020-04-30 | 一种带位置和流量复合反馈功能的先导式比例流量阀 |
Publications (2)
Publication Number | Publication Date |
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CN111255944A CN111255944A (zh) | 2020-06-09 |
CN111255944B true CN111255944B (zh) | 2020-08-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202010363611.8A Active CN111255944B (zh) | 2020-04-30 | 2020-04-30 | 一种带位置和流量复合反馈功能的先导式比例流量阀 |
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CN (1) | CN111255944B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115404939B (zh) * | 2022-09-29 | 2023-09-29 | 三一重机有限公司 | 液压***的控制方法及装置、液压***、挖掘机 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN207131654U (zh) * | 2017-08-22 | 2018-03-23 | 谭振达 | 一种高速数字开关先导阀 |
CN108661988B (zh) * | 2018-04-10 | 2020-06-12 | 山西大学 | 主动先导级控制的电液比例流量阀与控制装置及控制方法 |
CN208381413U (zh) * | 2018-06-13 | 2019-01-15 | 上海立新液压有限公司 | 一种先导式三通比例减压阀 |
CN109236775A (zh) * | 2018-09-29 | 2019-01-18 | 南京航空航天大学 | 一种基于高速开关阀先导调节的大流量比例阀组件及其控制方法 |
CN109630491B (zh) * | 2018-12-26 | 2021-01-08 | 太原理工大学 | 一种电控补偿二通比例流量阀 |
CN210123039U (zh) * | 2019-01-16 | 2020-03-03 | 上海气立可气动设备有限公司 | 电控大容量比例阀 |
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2020
- 2020-04-30 CN CN202010363611.8A patent/CN111255944B/zh active Active
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Publication number | Publication date |
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CN111255944A (zh) | 2020-06-09 |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A pilot type proportional flow valve with position and flow compound feedback function Effective date of registration: 20210918 Granted publication date: 20200811 Pledgee: Bank of China Limited by Share Ltd. Fenghua branch Pledgor: XINGYU ELECTRON (NINGBO) Co.,Ltd. Registration number: Y2021330001729 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230808 Granted publication date: 20200811 Pledgee: Bank of China Limited by Share Ltd. Fenghua branch Pledgor: XINGYU ELECTRON (NINGBO) CO.,LTD. Registration number: Y2021330001729 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |