CN107255185B - 一种卸荷阀用机械先导阀 - Google Patents
一种卸荷阀用机械先导阀 Download PDFInfo
- Publication number
- CN107255185B CN107255185B CN201710368189.3A CN201710368189A CN107255185B CN 107255185 B CN107255185 B CN 107255185B CN 201710368189 A CN201710368189 A CN 201710368189A CN 107255185 B CN107255185 B CN 107255185B
- Authority
- CN
- China
- Prior art keywords
- hydraulic cavities
- pressure
- hydraulic
- valve
- spool
- Prior art date
- 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.)
- Active
Links
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 239000000839 emulsion Substances 0.000 abstract description 6
- 210000003746 feather Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
Classifications
-
- 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
- F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710368189.3A CN107255185B (zh) | 2017-05-23 | 2017-05-23 | 一种卸荷阀用机械先导阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710368189.3A CN107255185B (zh) | 2017-05-23 | 2017-05-23 | 一种卸荷阀用机械先导阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107255185A CN107255185A (zh) | 2017-10-17 |
CN107255185B true CN107255185B (zh) | 2019-04-23 |
Family
ID=60027354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710368189.3A Active CN107255185B (zh) | 2017-05-23 | 2017-05-23 | 一种卸荷阀用机械先导阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107255185B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111219511A (zh) * | 2019-10-29 | 2020-06-02 | 北京天地玛珂电液控制***有限公司 | 一种水介质矿用电磁卸荷阀 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201155498Y (zh) * | 2008-01-21 | 2008-11-26 | 浙江圣邦机械有限公司 | 一体化单向平衡阀 |
KR100961431B1 (ko) * | 2008-02-25 | 2010-06-09 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 압력제어밸브 |
CN201288869Y (zh) * | 2008-10-28 | 2009-08-12 | 上海立新液压有限公司 | 一种平衡控制阀 |
KR100950571B1 (ko) * | 2009-02-27 | 2010-04-01 | (주)동우정공 | 건설중장비용 릴리프밸브 |
CN101749255B (zh) * | 2010-01-14 | 2012-01-25 | 北京天地玛珂电液控制***有限公司 | 一种泵用卸载阀的先导阀 |
CN206802455U (zh) * | 2017-05-23 | 2017-12-26 | 北京煤科天玛自动化科技有限公司 | 一种卸荷阀用机械先导阀 |
-
2017
- 2017-05-23 CN CN201710368189.3A patent/CN107255185B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN107255185A (zh) | 2017-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201027 Address after: 100013 Beijing, Hepingli Youth ditch East Road, building No. 5, room and floor, No. 131, No. Patentee after: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. Patentee after: BEIJING CCRI-TIANMA AUTOMATION TECHNOLOGY Co.,Ltd. Address before: 100013, Beijing, Hepingli Youth ditch East Road, building 5, one floor Patentee before: BEIJING CCRI-TIANMA AUTOMATION TECHNOLOGY Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: No.131, ground floor, Tiandi building, No.5, qingniangou East Road, Hepingli, Chaoyang District, Beijing 100013 Patentee after: CCTEG Beijing Tianma Intelligent Control Technology Co.,Ltd. Patentee after: BEIJING CCRI-TIANMA AUTOMATION TECHNOLOGY Co.,Ltd. Address before: No.131, ground floor, Tiandi building, No.5, qingniangou East Road, Hepingli, Chaoyang District, Beijing 100013 Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. Patentee before: BEIJING CCRI-TIANMA AUTOMATION TECHNOLOGY Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |