KR19980071989A - 항타기의 유압회로 - Google Patents
항타기의 유압회로 Download PDFInfo
- Publication number
- KR19980071989A KR19980071989A KR1019980027650A KR19980027650A KR19980071989A KR 19980071989 A KR19980071989 A KR 19980071989A KR 1019980027650 A KR1019980027650 A KR 1019980027650A KR 19980027650 A KR19980027650 A KR 19980027650A KR 19980071989 A KR19980071989 A KR 19980071989A
- Authority
- KR
- South Korea
- Prior art keywords
- hydraulic
- high pressure
- passage
- logic
- cylinder
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
-
- 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
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
Description
Claims (2)
- 작동유탱크(170)로 부터 유압펌프(171)에 의해 유압이 공급되어 고압유를 저장하는 고압어큐므레이터(100)와, 이 고압어큐므레이터(100)와 분리된 위치에서 저압유를 저장하게 되는 저압어큐므레이터(110)와, 상기 고압어큐므레이터(100) 및 저압어큐므레이터(110)로 공급되는 유압라인의 설정에 따라 램(122)을 취부하고 있는 피스톤로드(2a)를 승강시키며, 2중구조의 인너실린더(123)와 아우터실린더(124)를 구비한 유압실린더(120)로 구성된 것에 있어서, 상기 고압어큐므레이터(100) 및 저압어큐므레이터(110)는 제1로직밸브(140)와 제2로직밸브(141)에 의해 그 통로가 제어되도록 고압통로(131) 및 저압통로(132)에 각각 연통되게 로직메니폴드(130)에 접속시키고, 상기 유압실린더(120)는 이 로직메니폴드(130)를 관통하게 설치하되, 아우터실린더(124)는 저압통로(132)와, 그리고 인너실린더(123)는 고압통로(131)와 각각 연통되게 설치하는 것을 특징으로 하는 항타기의 유압회로.
- 청구항 1에 있어서, 상기 로직메니폴드(130)의 외측으로는 제1,제2로직밸브(140)(141)와 콘트롤밸브(150)를 연결하는 회로를 위해 연결통로(161)를 갖는 실린더블록(160)이 결합됨을 특징으로 하는 항타기의 유압회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980027650A KR100267211B1 (ko) | 1998-07-09 | 1998-07-09 | 항타기의 유압회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980027650A KR100267211B1 (ko) | 1998-07-09 | 1998-07-09 | 항타기의 유압회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980071989A true KR19980071989A (ko) | 1998-10-26 |
KR100267211B1 KR100267211B1 (ko) | 2000-11-01 |
Family
ID=19543584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980027650A KR100267211B1 (ko) | 1998-07-09 | 1998-07-09 | 항타기의 유압회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100267211B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116792362A (zh) * | 2023-06-29 | 2023-09-22 | 徐州徐工挖掘机械有限公司 | 一种往复驱动装置、破碎锤、打桩锤及夯土机 |
-
1998
- 1998-07-09 KR KR1019980027650A patent/KR100267211B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116792362A (zh) * | 2023-06-29 | 2023-09-22 | 徐州徐工挖掘机械有限公司 | 一种往复驱动装置、破碎锤、打桩锤及夯土机 |
Also Published As
Publication number | Publication date |
---|---|
KR100267211B1 (ko) | 2000-11-01 |
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