JPS6123389U - Variable stroke mechanism of hydraulic impact device - Google Patents

Variable stroke mechanism of hydraulic impact device

Info

Publication number
JPS6123389U
JPS6123389U JP10741084U JP10741084U JPS6123389U JP S6123389 U JPS6123389 U JP S6123389U JP 10741084 U JP10741084 U JP 10741084U JP 10741084 U JP10741084 U JP 10741084U JP S6123389 U JPS6123389 U JP S6123389U
Authority
JP
Japan
Prior art keywords
liquid chamber
valve control
impact device
hydraulic impact
piston
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
Application number
JP10741084U
Other languages
Japanese (ja)
Inventor
信義 福井
Original Assignee
古河機械金属株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 古河機械金属株式会社 filed Critical 古河機械金属株式会社
Priority to JP10741084U priority Critical patent/JPS6123389U/en
Publication of JPS6123389U publication Critical patent/JPS6123389U/en
Pending legal-status Critical Current

Links

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、この考案の一実施例である液圧式打撃装置の
ストローク可変機構の縦断面図、第２図は、弁室付近の
拡大断面図である。 図中、１はシリンダ、２はピストン、３は前部液室、４
は後部液室、５は切換弁、６は高圧回路、１０は低圧回
路、１２はバルブプラグ、１７は弁室、２３は弁制御液
室、２６は弁制御通路、２８は制御ポート、３０は調整
装置である。FIG. 1 is a longitudinal sectional view of a variable stroke mechanism of a hydraulic impact device which is an embodiment of this invention, and FIG. 2 is an enlarged sectional view of the vicinity of the valve chamber. In the figure, 1 is the cylinder, 2 is the piston, 3 is the front liquid chamber, 4
is a rear liquid chamber, 5 is a switching valve, 6 is a high pressure circuit, 10 is a low pressure circuit, 12 is a valve plug, 17 is a valve chamber, 23 is a valve control liquid chamber, 26 is a valve control passage, 28 is a control port, 30 is a It is an adjustment device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダ内に、前後小径部を有するピストンを摺嵌して
前部液室と後部液室とを形成し、少くとも一方の液室を
切換弁で高圧と低圧とに切換えてピストンを往復動させ
る液圧式打撃装置にお，いて、ピストンの往復動に伴っ
て開閉される制御ポートと弁制御液室とを連通させる弁
制御通路を設け、該弁制御通路に、制御ポートが開いて
から弁制御通路が弁制御液室に連通ずるまでの時間を可
変とする調整装置を介設したことを特徴とする液圧式打
撃装置のストアーク可変機構。A piston having a front and rear small diameter portion is slid into the cylinder to form a front liquid chamber and a rear liquid chamber, and at least one liquid chamber is switched between high pressure and low pressure with a switching valve to cause the piston to reciprocate. In a hydraulic impact device, a valve control passage is provided that communicates a control port that is opened and closed with the reciprocation of the piston and a valve control liquid chamber, and the valve control passage is connected to the valve control passage after the control port is opened. A variable strike mechanism for a hydraulic impact device, characterized in that an adjusting device is provided to vary the time taken until a passage communicates with a valve control liquid chamber.
JP10741084U 1984-07-16 1984-07-16 Variable stroke mechanism of hydraulic impact device Pending JPS6123389U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10741084U JPS6123389U (en) 1984-07-16 1984-07-16 Variable stroke mechanism of hydraulic impact device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10741084U JPS6123389U (en) 1984-07-16 1984-07-16 Variable stroke mechanism of hydraulic impact device

Publications (1)

Publication Number Publication Date
JPS6123389U true JPS6123389U (en) 1986-02-12

Family

ID=30666654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10741084U Pending JPS6123389U (en) 1984-07-16 1984-07-16 Variable stroke mechanism of hydraulic impact device

Country Status (1)

Country Link
JP (1) JPS6123389U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5380304A (en) * 1976-12-23 1978-07-15 Krupp Gmbh Impact device that stroke can be adjusted by remote control and that can be operated by pressure medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5380304A (en) * 1976-12-23 1978-07-15 Krupp Gmbh Impact device that stroke can be adjusted by remote control and that can be operated by pressure medium

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