FI91944C - Hydraulisk slaghammare - Google Patents

Hydraulisk slaghammare Download PDF

Info

Publication number
FI91944C
FI91944C FI913311A FI913311A FI91944C FI 91944 C FI91944 C FI 91944C FI 913311 A FI913311 A FI 913311A FI 913311 A FI913311 A FI 913311A FI 91944 C FI91944 C FI 91944C
Authority
FI
Finland
Prior art keywords
impact
piston
hammer
damping element
hydraulic
Prior art date
Application number
FI913311A
Other languages
English (en)
Finnish (fi)
Other versions
FI91944B (sv
FI913311A (sv
FI913311A0 (sv
Inventor
Timo Sippus
Seppo Jurvanen
Original Assignee
Bretec Oy
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 Bretec Oy filed Critical Bretec Oy
Publication of FI913311A0 publication Critical patent/FI913311A0/sv
Priority to FI913311A priority Critical patent/FI91944C/sv
Priority to DE1992621788 priority patent/DE69221788T2/de
Priority to EP19920110512 priority patent/EP0522344B1/en
Priority to ES92110512T priority patent/ES2104773T3/es
Priority to JP4203217A priority patent/JPH0777709B2/ja
Publication of FI913311A publication Critical patent/FI913311A/sv
Priority to US08/077,555 priority patent/US5325929A/en
Priority to US08/186,307 priority patent/US5370193A/en
Publication of FI91944B publication Critical patent/FI91944B/sv
Application granted granted Critical
Publication of FI91944C publication Critical patent/FI91944C/sv

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/24—Damping the reaction force

Claims (7)

1. Hydraulisk slaghainmare, sårskilt stomkonstruktion for en hydraulisk slaghammare, vilken konstruktion omfattar en hydraulisk driven kolv (7,19) och en kolven styrande del (1.11) , en slagdel (8,20) och en slagdelen styrande del (2.12) och vilken konstruktion omges av en skyddskåpa (6,18), och att den kolven styrande delen (1,11) och den slagdelen styrande delen (2,12) år avskilda från varandra fdr att hindra framskridande av en från slagdelen (8,20) reflekterad spånningvåg, kannetecknad av att den kolven styrande delen (1,11) och den slagdelen styrande delen (2.12) står i forbindelse med varandra med hjalp av dåmpningselement (4,5;14,16,17) så att såval den kolven styrande delen (1,11) som den slagdelen styrande delen (2.12) vardera skilt for sig har forbundits med åtminstone ett med skyddskåpan (6,18) forbundet dåmpningselement (4,5,-16, 17) .
2. Slaghammare enligt patentkrav 1, kannetecknad av att dåmpningselementet (14) har fdrbundits med en radiellt riktad anslutningsyta (13) mellan den kolven styrande delen (11) och den slagdelen styrande delen (12).
3. Slaghammare enligt patentkraven 1 eller 2, kannetecknad av att dåmpningselementet (4,5;14,16,17) år framstållt av elastiskt material.
4. Slaghammare enligt patentkraven 1 eller 2, kannetecknad av att dåmpningselementet (4,5,-14,16,17) år framstållt av en metallfjåder. t! 9 91944
5. Slaghairanare enligt patentkraven 1 eller 2, kannetecknad av att dåmpningselementet (4,5;14,16,17) kan åstadskommas med hjalp av levitation fororsakad av en magnet.
6. Slaghairanare enligt patentkraven 1 eller 2, kannetecknad av att dåmpningselementet (4,5;14,16,17) kan åstadskommas med hjalp av hydraulvåtska.
7. Slaghairanare enligt patentkraven 1 eller 2, kannetecknad av att dåmpningselementet (4,5;14,16,17) år en luftkudde.
FI913311A 1991-07-09 1991-07-09 Hydraulisk slaghammare FI91944C (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI913311A FI91944C (sv) 1991-07-09 1991-07-09 Hydraulisk slaghammare
DE1992621788 DE69221788T2 (de) 1991-07-09 1992-06-22 Hydraulischer Schlaghammer
EP19920110512 EP0522344B1 (en) 1991-07-09 1992-06-22 Hydraulic impact hammer
ES92110512T ES2104773T3 (es) 1991-07-09 1992-06-22 Martillo hidraulico de impacto.
JP4203217A JPH0777709B2 (ja) 1991-07-09 1992-07-08 液圧式インパクトハンマー
US08/077,555 US5325929A (en) 1991-07-09 1993-06-14 Hydraulic impact hammer
US08/186,307 US5370193A (en) 1991-07-09 1994-01-25 Hydraulic impact hammer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI913311A FI91944C (sv) 1991-07-09 1991-07-09 Hydraulisk slaghammare
FI913311 1991-07-09

Publications (4)

Publication Number Publication Date
FI913311A0 FI913311A0 (sv) 1991-07-09
FI913311A FI913311A (sv) 1993-01-10
FI91944B FI91944B (sv) 1994-05-31
FI91944C true FI91944C (sv) 1994-09-12

Family

ID=8532868

Family Applications (1)

Application Number Title Priority Date Filing Date
FI913311A FI91944C (sv) 1991-07-09 1991-07-09 Hydraulisk slaghammare

Country Status (5)

Country Link
EP (1) EP0522344B1 (sv)
JP (1) JPH0777709B2 (sv)
DE (1) DE69221788T2 (sv)
ES (1) ES2104773T3 (sv)
FI (1) FI91944C (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401250B (de) * 1993-03-08 1996-07-25 Winter Udo Presslufthammer
SE503683C2 (sv) * 1994-11-17 1996-07-29 Berema Atlas Copco Ab Hydraulisk brythammare
NZ551876A (en) * 2006-12-07 2009-06-26 Rocktec Ltd Breaking machine shock absorbing system
JP5845492B2 (ja) * 2012-12-03 2016-01-20 アピュアン株式会社 作業工具

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE805268C (de) * 1948-10-02 1951-05-10 Hauhinco Maschf Presslufthammer
DE805748C (de) * 1948-10-02 1951-05-28 Hauhinco Maschf Schlagwerkzeug, insbesondere Presslufthammer
DE801565C (de) * 1948-10-02 1951-01-11 Wilhelm Dipl-Ing Schmitt Stossdaempfer fuer Drucklufthaemmer
US3797586A (en) * 1971-12-20 1974-03-19 Bell Telephone Labor Inc Mole with decoupled nose and body
FR2209311A5 (sv) * 1972-12-05 1974-06-28 Maco Meudon Sa
US4074777A (en) * 1974-08-08 1978-02-21 Atlas Copco Aktiebolag Pneumatic impact tool
DE2511043A1 (de) * 1975-03-13 1976-09-23 Duss Maschf Von hand fuehrbarer hammer, dessen werkzeug von einem frei fliegenden kolben beaufschlagbar ist
SE8106907L (sv) * 1981-11-20 1983-05-21 Atlas Copco Ab Sett att styra ett slagverk och slagverk
JPS62184993U (sv) * 1986-05-19 1987-11-25
FR2647870B1 (fr) * 1989-06-06 1991-09-06 Eimco Secoma Appareil de percussion hydraulique avec dispositif d'amortissement des ondes de choc en retour
FI84701C (sv) * 1990-02-23 1992-01-10 Tampella Oy Ab Anordning för axiallagret i en borrmaskin
US5018792A (en) * 1990-05-25 1991-05-28 Caterpillar Inc. Impact ripper apparatus with linear reciprocating ram
EP0471649A1 (de) * 1990-08-16 1992-02-19 SIG Schweizerische Industrie-Gesellschaft Durch ein Druckmedium betriebener Hammer
JPH04124283A (ja) * 1990-09-17 1992-04-24 Sumitomo Electric Ind Ltd 窒化ほう素膜のコーティング方法

Also Published As

Publication number Publication date
FI91944B (sv) 1994-05-31
JPH0777709B2 (ja) 1995-08-23
DE69221788T2 (de) 1998-01-15
JPH05185380A (ja) 1993-07-27
FI913311A (sv) 1993-01-10
EP0522344A3 (en) 1993-07-28
EP0522344A2 (en) 1993-01-13
EP0522344B1 (en) 1997-08-27
FI913311A0 (sv) 1991-07-09
DE69221788D1 (de) 1997-10-02
ES2104773T3 (es) 1997-10-16

Similar Documents

Publication Publication Date Title
US8146677B2 (en) Hydraulic breaker assembly
JP2930598B2 (ja) 弾性支柱およびそれを用いた懸架装置
CA1186942A (en) Floor-mounted forging press having a stationary piston with a bore for supplying a pressure medium, and a moving cylinder
WO1998045614A1 (en) Double-acting shock absorber with volume compensation for the stroke of the rod
US4336848A (en) Tool holder for impact device
KR19990001019A (ko) 개선된 버퍼조립체를 갖는 유압헤머
JPH02248734A (ja) 液圧ショックアブソーバ
US5370193A (en) Hydraulic impact hammer
US11097334B2 (en) Forging hammer having an electric linear drive
FI91944C (sv) Hydraulisk slaghammare
US4535998A (en) Sealing device for hydraulic energy dissipator of the telescopic type
KR100824769B1 (ko) 파괴 장치 및 공구
US4930330A (en) Double action bottom former
US5680913A (en) Snubber for a hydraulic motor
KR101978592B1 (ko) 축 방향 댐퍼
EP1799371B1 (en) Striker plate for sheet-metal forming tool
GB1569157A (en) Vibration damper
US10767572B2 (en) Supporting arrangement for an eccentric member of an adjusting arrangement, and adjusting arrangement
KR100335004B1 (ko) 브레이커용 저소음 치즐
US10894309B2 (en) Sealing arrangement of tool and method of sealing
EP4067579A1 (en) Shield arrangement, breaking hammer and method
KR200289783Y1 (ko) 유압실린더의 쿠션플런저 고정구조
RU2091206C1 (ru) Пневмомолоток
RU2144467C1 (ru) Кривошипный пресс
SU1051349A1 (ru) Гидропневматический амортизатор

Legal Events

Date Code Title Description
FG Patent granted

Owner name: BRETEC OY

HC Name/ company changed in application

Owner name: BRETEC OY

BB Publication of examined application