JPS58160782U - striking device - Google Patents
striking deviceInfo
- Publication number
- JPS58160782U JPS58160782U JP5704982U JP5704982U JPS58160782U JP S58160782 U JPS58160782 U JP S58160782U JP 5704982 U JP5704982 U JP 5704982U JP 5704982 U JP5704982 U JP 5704982U JP S58160782 U JPS58160782 U JP S58160782U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- oil chamber
- control valve
- striking
- pressure
- 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.)
- Pending
Links
Landscapes
- Percussive Tools And Related Accessories (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案打撃装置の実施例のピストン上郷行程を
示す縦断面図、第２図は同ピストン下降行程を示す縦断
面図、第３図は同打撃瞬間を示す縦断面図である。
１：打撃装置本体、２：バルブボックス、３：ビス
。
トン、４：下部油室、５：上部油室１、−７：チゼル、
１１：高圧油導入路、１２：低圧油排出路、１３：コン
トロールバルブ、１４：中空室、１５：高圧アキュムレ
ータ。FIG. 1 is a vertical cross-sectional view showing the upstroke of the piston in an embodiment of the striking device of the present invention, FIG. 2 is a vertical cross-sectional view showing the downward stroke of the piston, and FIG. 3 is a vertical cross-sectional view showing the moment of impact. 1: Impact device body, 2: Valve box, 3: Screw
. ton, 4: Lower oil chamber, 5: Upper oil chamber 1, -7: Chisel,
11: High pressure oil introduction path, 12: Low pressure oil discharge path, 13: Control valve, 14: Hollow chamber, 15: High pressure accumulator.
Claims (2)
上部油室はピストン上昇行程は低圧で打撃行程時に高圧
となる様に油圧を制御して打撃用ピストンを往復運動せ
しめるとともに、ピストンの上死点、下死点におけるピ
ストンの油室側各゛ 端に作用する高圧油を外周多段
付円筒型コントロールバルブの外周端面へ導通し、該コ
ントロールバルブを切換えてピストンの往復動を行わせ
しめることを特徴とする打撃装置。(1) The hydraulic oil is controlled so that the pressure is always high in the lower oil chamber of the piston, the pressure in the upper oil chamber is low during the piston's upward stroke, and high during the striking stroke, and the striking piston is caused to reciprocate; High-pressure oil acting on each end of the oil chamber side of the piston at the top dead center and bottom dead center of the piston is conducted to the outer peripheral end surface of a cylindrical control valve with multiple stages on the outer periphery, and the control valve is switched to cause the piston to reciprocate. A striking device characterized by a striking device.
ピストン下部油室の油を該コントロールバルブの中空部
を介して上部油室ヘバイパス補給するものとした実用新
案登録請求の範囲第１項記載の打撃装置。(2) The impact according to claim 1, wherein the control valve is of a hollow cylindrical type and oil in the lower oil chamber of the piston is bypass-supplied to the upper oil chamber through the hollow part of the control valve during the impact stroke. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5704982U JPS58160782U (en) | 1982-04-19 | 1982-04-19 | striking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5704982U JPS58160782U (en) | 1982-04-19 | 1982-04-19 | striking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58160782U true JPS58160782U (en) | 1983-10-26 |
Family
ID=30067534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5704982U Pending JPS58160782U (en) | 1982-04-19 | 1982-04-19 | striking device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58160782U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554489A (en) * | 1978-06-20 | 1980-01-12 | Secoma | Rotary hydraulic impact drilling machine |
-
1982
- 1982-04-19 JP JP5704982U patent/JPS58160782U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554489A (en) * | 1978-06-20 | 1980-01-12 | Secoma | Rotary hydraulic impact drilling machine |
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