CN110185481B - 引流平衡式双向回液交替阀 - Google Patents
引流平衡式双向回液交替阀 Download PDFInfo
- Publication number
- CN110185481B CN110185481B CN201910604059.4A CN201910604059A CN110185481B CN 110185481 B CN110185481 B CN 110185481B CN 201910604059 A CN201910604059 A CN 201910604059A CN 110185481 B CN110185481 B CN 110185481B
- Authority
- CN
- China
- Prior art keywords
- valve
- cavity
- liquid return
- sleeve
- liquid
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 62
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005065 mining Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000839 emulsion Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/512—Arrangement of valves
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Multiple-Way Valves (AREA)
- Check Valves (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910604059.4A CN110185481B (zh) | 2019-07-05 | 2019-07-05 | 引流平衡式双向回液交替阀 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910604059.4A CN110185481B (zh) | 2019-07-05 | 2019-07-05 | 引流平衡式双向回液交替阀 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110185481A CN110185481A (zh) | 2019-08-30 |
| CN110185481B true CN110185481B (zh) | 2024-07-19 |
Family
ID=67725117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910604059.4A Active CN110185481B (zh) | 2019-07-05 | 2019-07-05 | 引流平衡式双向回液交替阀 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185481B (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412913B (zh) * | 2020-12-01 | 2025-06-27 | 山西平阳广日机电有限公司 | 双速逻辑推移阀 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256267A (zh) * | 2013-04-28 | 2013-08-21 | 潍坊威度电子科技有限公司 | 液压大流量高速数字阀 |
| CN204419209U (zh) * | 2015-01-13 | 2015-06-24 | 丰隆液压有限公司 | 一种快速回液阀 |
| CN210178389U (zh) * | 2019-07-05 | 2020-03-24 | 郑州煤机液压电控有限公司 | 引流平衡式双向回液交替阀 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB512010A (en) * | 1938-07-12 | 1939-08-28 | Earl Cannon | Prefill valves for hydraulic presses |
| DE1214088B (de) * | 1960-06-09 | 1966-04-07 | Bosch Gmbh Robert | Hydraulischer Kraftheber eines Nutzfahrzeuges |
| GB1461135A (en) * | 1973-11-16 | 1977-01-13 | Textron Inc | Apparatus having an actuator cylinder and piston and control valve therefor |
| CN2087256U (zh) * | 1990-11-17 | 1991-10-23 | 煤炭科学研究总院北京开采研究所 | 二位三通、二位二通阀 |
| JP4683788B2 (ja) * | 2001-08-10 | 2011-05-18 | 理研精機株式会社 | 液圧アクチュエータ制御装置 |
| CN104500476B (zh) * | 2014-12-15 | 2017-04-19 | 中煤北京煤矿机械有限责任公司 | 交替单向阀及增压系统 |
| CN104675423B (zh) * | 2015-02-06 | 2017-01-18 | 太原理工大学 | 一种双通道千升级大流量换向阀 |
-
2019
- 2019-07-05 CN CN201910604059.4A patent/CN110185481B/zh active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256267A (zh) * | 2013-04-28 | 2013-08-21 | 潍坊威度电子科技有限公司 | 液压大流量高速数字阀 |
| CN204419209U (zh) * | 2015-01-13 | 2015-06-24 | 丰隆液压有限公司 | 一种快速回液阀 |
| CN210178389U (zh) * | 2019-07-05 | 2020-03-24 | 郑州煤机液压电控有限公司 | 引流平衡式双向回液交替阀 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110185481A (zh) | 2019-08-30 |
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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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201125 Address after: 450016 No. ninth, 167 Avenue, Zhengzhou economic and Technological Development Zone, Henan Applicant after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Applicant after: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: 450016 No. ninth, 167 Avenue, Zhengzhou Economic Development Zone, Henan, China Applicant before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220719 Address after: 450016 No.167, 9th Street, Zhengzhou area (Jingkai), Zhengzhou pilot Free Trade Zone, Henan Province Applicant after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: No.167, 9th Street, Zhengzhou Economic and Technological Development Zone, Henan Province, 450016 Applicant before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Applicant before: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
Address after: 450016 No.167, 9th Street, Zhengzhou area (Jingkai), Zhengzhou pilot Free Trade Zone, Henan Province Applicant after: Zhengzhou Hengda Intelligent Control Technology Co.,Ltd. Address before: 450016 No.167, 9th Street, Zhengzhou area (Jingkai), Zhengzhou pilot Free Trade Zone, Henan Province Applicant before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |