ES399577A1 - Impact tools or apparatus - Google Patents
Impact tools or apparatusInfo
- Publication number
- ES399577A1 ES399577A1 ES399577A ES399577A ES399577A1 ES 399577 A1 ES399577 A1 ES 399577A1 ES 399577 A ES399577 A ES 399577A ES 399577 A ES399577 A ES 399577A ES 399577 A1 ES399577 A1 ES 399577A1
- Authority
- ES
- Spain
- Prior art keywords
- fluid
- chambers
- chamber
- piston
- cylinder
- 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.)
- Expired
Links
- 239000012530 fluid Substances 0.000 abstract 13
- 239000007788 liquid Substances 0.000 abstract 3
- 125000004122 cyclic group Chemical group 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/22—Hand tools or hand-held power-operated tools specially adapted for dislodging minerals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/14—Control devices for the reciprocating piston
- B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S173/00—Tool driving or impacting
- Y10S173/04—Liquid operated
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Percussive Tools And Related Accessories (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Forging (AREA)
Abstract
The invention is for an impact tool comprising a pressure fluid operating piston and cylinder device in which pressure fluid, for the cyclic operation of said device, is controlled by control means responsive to changes in fluid pressure brought about by relative reciprocatory movement between the piston and cylinder. In one preferred embodiment of the invention said control means comprises a valve means for controlling the supply of pressure fluid to the cylinder, for the retraction of the piston, and for controlling the exhausting of said pressure fluid from the cylinder, for the advance of the piston, a chamber or chambers connected to the cylinder so that a fluid therein will be subjected to pressure changes by movement of the piston, and means responsive to pressures in said chamber or chambers and operative cyclicly to switch said valve means between a pressure fluid supply position and a pressure fluid exhaust position. Conveniently said chamber or chambers is or are connected to the cylinder so that the fluid in said chamber or chambers will be compressed by retraction of the piston. The pressure fluid, for the operation of the tool, may be a liquid and the fluid in the chamber or chambers, which is compressible, may be a gas. Alternatively the pressure fluid, for the operation of the tool, may be a compressible liquid and the fluid in the chamber or chambers a similar compressible liquid.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB432671A GB1356022A (en) | 1971-02-10 | 1971-02-10 | Impact tools or apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES399577A1 true ES399577A1 (en) | 1974-11-01 |
Family
ID=9775054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES399577A Expired ES399577A1 (en) | 1971-02-10 | 1972-02-08 | Impact tools or apparatus |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3800664A (en) |
| JP (1) | JPS5315001B1 (en) |
| AU (1) | AU461421B2 (en) |
| BE (1) | BE778621A (en) |
| CA (1) | CA937835A (en) |
| CS (1) | CS178404B2 (en) |
| DE (1) | DE2147935B2 (en) |
| ES (1) | ES399577A1 (en) |
| FR (1) | FR2126776A5 (en) |
| GB (1) | GB1356022A (en) |
| HU (1) | HU164405B (en) |
| IT (1) | IT948390B (en) |
| NL (1) | NL166636C (en) |
| SE (1) | SE398720B (en) |
| ZA (1) | ZA72824B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3925985A (en) * | 1973-01-09 | 1975-12-16 | Rapidex Inc | Impact actuator |
| US4006783A (en) * | 1975-03-17 | 1977-02-08 | Linden-Alimak Ab | Hydraulic operated rock drilling apparatus |
| US4036108A (en) * | 1975-09-12 | 1977-07-19 | Dobson Park Industries, Ltd. | Pressure fluid operated percussion tools |
| US3995700A (en) * | 1975-10-14 | 1976-12-07 | Gardner-Denver Company | Hydraulic rock drill system |
| GB1581441A (en) * | 1976-01-29 | 1980-12-17 | Dobson Park Ind | Fluid powered impact tools |
| US4172411A (en) * | 1976-06-09 | 1979-10-30 | Mitsui Engineering & Shipbuilding Co., Ltd. | Hydraulic hammer |
| SE429111B (en) * | 1978-10-19 | 1983-08-15 | Atlas Copco Ab | HYDRAULIC DRIVES |
| US4344353A (en) * | 1979-05-14 | 1982-08-17 | Joy Manufacturing Company | Hammer |
| US4512417A (en) * | 1981-11-05 | 1985-04-23 | Ingersoll-Rand Company | Hydraulic reciprocating device |
| GB2115886B (en) * | 1982-03-02 | 1985-08-29 | Dobson Park Ind Public Limited | Impact tools |
| JPS60153639U (en) * | 1984-03-22 | 1985-10-14 | 株式会社荏原製作所 | Waterproof insulated wire type submersible motor |
| DE3590888T1 (en) * | 1985-12-23 | 1988-03-10 | ||
| DE4229590C2 (en) * | 1992-09-04 | 1996-06-20 | Klemm Guenter | Hydraulic impact device with pilot valve |
| JP5899071B2 (en) * | 2012-07-06 | 2016-04-06 | 古河ロックドリル株式会社 | Gas supply device for hydraulic breaker and hydraulic breaker with gas supply device having the same |
| DE102015008339A1 (en) | 2015-07-01 | 2017-01-05 | Tracto-Technik Gmbh & Co. Kg | "Rammbohrvorrichtung and method for reversing a ram boring device" |
| SE541217C2 (en) * | 2017-09-08 | 2019-05-07 | Epiroc Rock Drills Ab | Mining or construction vehicle |
| SE542480C2 (en) * | 2017-09-08 | 2020-05-19 | Epiroc Rock Drills Ab | Mining or construction vehicle enclosing a conduit arrangement |
| CN113560549A (en) * | 2021-08-06 | 2021-10-29 | 四川省柏均机械制造有限责任公司 | Dead head removing impact hammer for high manganese steel casting |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB784684A (en) * | 1954-08-31 | 1957-10-16 | George Stephen Kammer | Improvements in reciprocating motors for actuation by a fluid supplied at substantially constant pressure |
| CH376866A (en) * | 1958-11-17 | 1964-04-15 | Ingbuero Dipl Ing Friedrich He | Control on hydraulically operated impact devices |
| FR1361466A (en) * | 1963-04-09 | 1964-05-22 | Hispano Suiza Sa | Improvements to hydraulic control systems with double-acting receiving devices |
| DE1528583A1 (en) * | 1965-05-20 | 1970-01-29 | Stahl U Appbau Hans Leffer Gmb | Hydraulically or pneumatically continuously operated piston drive with reciprocating movement, especially double-acting pressure intensifier |
| CH473319A (en) * | 1968-06-19 | 1969-05-31 | Hydrel Ag Maschf | Fully hydraulic device on the machine or apparatus with a straight back and forth moving part, for largely load and speed independent reversal of the accuracy of the movement of the part between two adjustable reversing points |
-
1971
- 1971-02-10 GB GB432671A patent/GB1356022A/en not_active Expired
- 1971-09-25 DE DE19712147935 patent/DE2147935B2/en active Granted
-
1972
- 1972-01-18 US US00218671A patent/US3800664A/en not_active Expired - Lifetime
- 1972-01-24 AU AU38222/72A patent/AU461421B2/en not_active Expired
- 1972-01-28 BE BE778621A patent/BE778621A/en unknown
- 1972-01-31 CA CA133498A patent/CA937835A/en not_active Expired
- 1972-02-01 IT IT48073/72A patent/IT948390B/en active
- 1972-02-02 JP JP1143072A patent/JPS5315001B1/ja active Pending
- 1972-02-08 NL NL7201642.A patent/NL166636C/en not_active IP Right Cessation
- 1972-02-08 ES ES399577A patent/ES399577A1/en not_active Expired
- 1972-02-08 CS CS785A patent/CS178404B2/cs unknown
- 1972-02-08 ZA ZA720824A patent/ZA72824B/en unknown
- 1972-02-08 FR FR7204131A patent/FR2126776A5/fr not_active Expired
- 1972-02-09 SE SE7201497A patent/SE398720B/en unknown
- 1972-02-10 HU HUDO362A patent/HU164405B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU461421B2 (en) | 1975-05-29 |
| CA937835A (en) | 1973-12-04 |
| NL166636B (en) | 1981-04-15 |
| DE2147935B2 (en) | 1973-02-22 |
| NL166636C (en) | 1981-09-15 |
| HU164405B (en) | 1974-02-28 |
| ZA72824B (en) | 1972-11-29 |
| DE2147935A1 (en) | 1972-10-26 |
| AU3822272A (en) | 1973-07-26 |
| US3800664A (en) | 1974-04-02 |
| FR2126776A5 (en) | 1972-10-06 |
| NL7201642A (en) | 1972-08-14 |
| DE2147935C3 (en) | 1973-09-13 |
| CS178404B2 (en) | 1977-09-15 |
| SE398720B (en) | 1978-01-16 |
| GB1356022A (en) | 1974-06-12 |
| IT948390B (en) | 1973-05-30 |
| BE778621A (en) | 1972-05-16 |
| JPS5315001B1 (en) | 1978-05-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19870227 |