CN108869433B - 一种增大液压破碎锤打击力的换向阀 - Google Patents
一种增大液压破碎锤打击力的换向阀 Download PDFInfo
- Publication number
- CN108869433B CN108869433B CN201810711182.1A CN201810711182A CN108869433B CN 108869433 B CN108869433 B CN 108869433B CN 201810711182 A CN201810711182 A CN 201810711182A CN 108869433 B CN108869433 B CN 108869433B
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- Prior art keywords
- valve
- sleeve
- piston
- drill rod
- cylinder body
- Prior art date
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Links
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 38
- 239000003921 oil Substances 0.000 claims description 27
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 208000006011 Stroke Diseases 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 241000581613 Alchemilla arvensis Species 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/305—Arrangements for breaking-up hard ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/202—Externally-operated valves mounted in or on the actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B2013/041—Valve members; Fluid interconnections therefor with two positions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810711182.1A CN108869433B (zh) | 2018-07-03 | 2018-07-03 | 一种增大液压破碎锤打击力的换向阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810711182.1A CN108869433B (zh) | 2018-07-03 | 2018-07-03 | 一种增大液压破碎锤打击力的换向阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108869433A CN108869433A (zh) | 2018-11-23 |
CN108869433B true CN108869433B (zh) | 2020-04-21 |
Family
ID=64297744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810711182.1A Active CN108869433B (zh) | 2018-07-03 | 2018-07-03 | 一种增大液压破碎锤打击力的换向阀 |
Country Status (1)
Country | Link |
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CN (1) | CN108869433B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109281604B (zh) * | 2018-11-16 | 2024-05-24 | 启东环宇智能设备制造有限公司 | 一种液压破碎用打击机芯和液压破碎锤 |
CN109441910B (zh) * | 2018-12-04 | 2023-12-19 | 嵊州市元昊机械有限公司 | 空压式过负荷保护器 |
CN111237263A (zh) * | 2020-01-09 | 2020-06-05 | 中国铁建重工集团股份有限公司 | 一种用于凿岩机的冲击装置 |
CN113339346B (zh) * | 2021-08-05 | 2021-10-15 | 徐州祥瑞工程机械科技有限公司 | 一种便于检修的凿岩机 |
CN116696881B (zh) * | 2023-07-31 | 2023-10-03 | 烟台天兵工程机械有限公司 | 一种液压破碎锤换向阀阀芯机构 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130049A (en) * | 1977-04-07 | 1978-12-19 | Caterpillar Tractor Co. | Vent control for cylinder mounted load check valves |
CN2792723Y (zh) * | 2005-04-15 | 2006-07-05 | 马六成 | 液压锤 |
CN202326482U (zh) * | 2011-11-09 | 2012-07-11 | 江苏力博士机械股份有限公司 | 液压破碎锤换向阀 |
CN104145121A (zh) * | 2012-03-30 | 2014-11-12 | 建筑工具有限公司 | 阀 |
CN107314001A (zh) * | 2017-08-21 | 2017-11-03 | 林雨才 | 一种液压破碎锤换向阀总成装置 |
-
2018
- 2018-07-03 CN CN201810711182.1A patent/CN108869433B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130049A (en) * | 1977-04-07 | 1978-12-19 | Caterpillar Tractor Co. | Vent control for cylinder mounted load check valves |
CN2792723Y (zh) * | 2005-04-15 | 2006-07-05 | 马六成 | 液压锤 |
CN202326482U (zh) * | 2011-11-09 | 2012-07-11 | 江苏力博士机械股份有限公司 | 液压破碎锤换向阀 |
CN104145121A (zh) * | 2012-03-30 | 2014-11-12 | 建筑工具有限公司 | 阀 |
CN107314001A (zh) * | 2017-08-21 | 2017-11-03 | 林雨才 | 一种液压破碎锤换向阀总成装置 |
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Publication number | Publication date |
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CN108869433A (zh) | 2018-11-23 |
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Legal Events
Date | Code | Title | Description |
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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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220614 Address after: 243000 Danyang Industrial Park, Bowang District, Ma'anshan City, Anhui Province Patentee after: MAANSHAN KAMAITE HYDRAULIC MACHINERY MANUFACTURING Co.,Ltd. Address before: No. 61, Zhaozhuang, zhuanlou administrative village, Tiefo Town, Suixi County, Huaibei City, Anhui 235158 Patentee before: Zhao Dechao |
|
TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 243000 Danyang Industrial Park, Bowang District, Ma'anshan City, Anhui Province Patentee after: Ma'anshan Kamet Hydraulic Machinery Co.,Ltd. Address before: 243000 Danyang Industrial Park, Bowang District, Ma'anshan City, Anhui Province Patentee before: MAANSHAN KAMAITE HYDRAULIC MACHINERY MANUFACTURING Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |