SU482286A1 - Pneumatic breaker - Google Patents
Pneumatic breakerInfo
- Publication number
- SU482286A1 SU482286A1 SU1834043A SU1834043A SU482286A1 SU 482286 A1 SU482286 A1 SU 482286A1 SU 1834043 A SU1834043 A SU 1834043A SU 1834043 A SU1834043 A SU 1834043A SU 482286 A1 SU482286 A1 SU 482286A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- air
- handle
- pneumatic breaker
- exhaust
- breaker
- Prior art date
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
- B25D17/11—Arrangements of noise-damping means
-
- 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
- B25D17/11—Arrangements of noise-damping means
- B25D17/12—Arrangements of noise-damping means of exhaust silencers
-
- 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
- Y10S173/02—Sound muffling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Description
При нажатии на руко тк} 2 последн , перемеща сь по стакану б, включает пусковое устройстйо 8, которое открывает доступ сжатому воздуху от его источника (пе показан) к воздухораспределнтелыю.ау устройству 7. От воздухораспределнте«1Ы10го устройства 7 сжатый воздух попеременно подаетс под п пад ударппкол 5 П прпиодпт его в возпратпопоступатсльпое динжеиие, в результате которого оп напоепт удары по рабочему ипструменту . Указанные дзижепи ударпика 5 вызывают колебательные движени корпуса 1 и руко тки 2, которые из-за палпчи пружипы 3 сдвинуты по фазе.When pressing the handle} 2 last, moving around the glass b, turns on the starting device 8, which gives access to compressed air from its source (not shown) to the air distribution device and device 7. From the air distribution device 1X10 of the device 7, the compressed air is alternately supplied p pad shockpkol 5 P priododpt him in return for a small dignity, as a result of which opapoppt blows to the working tool. These jazz strikes 5 cause oscillatory movements of the body 1 and the handle 2, which, due to the palpchi, the spring 3 are out of phase.
Отработанный сжатый воздух через отверстп 10 п 11 выходит в ат.мосферу. При движени по расточке 12 в струю воздуха через каналы 13 засасываетс атмосферный воздух. Колебапп корпуса 1 и руко тки 2 вызывают П)льсацпи в струе отработанного воздуха выход агего из отверстпй 11, и в струе воздуха , подсасываемого через каналы 13.The exhaust compressed air through the holes 10 p 11 goes into the atmosphere. When moving along the bore 12, atmospheric air is sucked into the stream of air through the channels 13. The slide block of the housing 1 and the handle 2 cause the pulsation in the jet of exhaust air to exit from the holes 11, and in the jet of air sucked through the channels 13.
Даппые пульсацрпг также сдвинуты по фаDappy pulsatsrpg also shifted by fa
зе. Указаппое обсто тельство способствует лучшему смешиванию в расточке 12 и вызывает большие потери энергии. Это, в конечном реззльтате, ведет к снижению скорости истечени отработанного воздуха в атмосферу , т. е. аэродинамического шума.see This circumstance promotes better mixing in the bore 12 and causes large energy losses. This, in the final result, leads to a decrease in the flow rate of exhaust air into the atmosphere, i.e., aerodynamic noise.
Паправлепие отработанного воздуха вниз преп тствует подъему образующейс в пропессе работы пыли, что оздоровл ет услови труда.The right direction of exhaust air prevents the rise of dust generated in the work process, which improves working conditions.
Предмет изобретени Subject invention
Пневматический бетонолом, включаюш;ий подвижную руко тку, корпус с размещенным в нем ударником и выхлопными отверсти ми, на выходах которых установлен эжектор, отличающийс тем, что, е целью снижени шума и улучшени условий эксплуатации, эжектор образован корпусом и руко ткой, имеющей каналы, соединенные с выполненной на впутреппей поверхности руко тки расточкой, состо щей по длине из частей разного диаметра .A pneumatic breaker, including a movable handle, a housing with a hammer placed in it and exhaust openings at the outlets of which an ejector is installed, characterized in that, in order to reduce noise and improve operating conditions, the ejector is formed by a housing and a handle having channels , connected with a handle made on the surface of the handle with a boring consisting of parts of different diameters in length.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1834043A SU482286A1 (en) | 1972-10-03 | 1972-10-03 | Pneumatic breaker |
SE7313189A SE395643B (en) | 1972-10-03 | 1973-09-27 | WITH COMPRESSED AIR WORKING MACHINE WITH IMPACT OPERATION |
DE2349296A DE2349296C3 (en) | 1972-10-03 | 1973-10-01 | Pneumatic impact machine |
GB4618473A GB1389779A (en) | 1972-10-03 | 1973-10-03 | Pneumatic percussive tool |
US00403007A US3847232A (en) | 1972-10-03 | 1973-10-03 | Pneumatic percussive tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1834043A SU482286A1 (en) | 1972-10-03 | 1972-10-03 | Pneumatic breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
SU482286A1 true SU482286A1 (en) | 1975-08-30 |
Family
ID=20528601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1834043A SU482286A1 (en) | 1972-10-03 | 1972-10-03 | Pneumatic breaker |
Country Status (5)
Country | Link |
---|---|
US (1) | US3847232A (en) |
DE (1) | DE2349296C3 (en) |
GB (1) | GB1389779A (en) |
SE (1) | SE395643B (en) |
SU (1) | SU482286A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4018291A (en) * | 1974-12-23 | 1977-04-19 | Allied Steel & Tractor Products, Incorporated | Pneumatic hammer |
EP0015700B1 (en) * | 1979-02-28 | 1982-07-28 | CompAir Construction and Mining Limited | Compressed-gas-operated reciprocating-piston devices |
FR2457152A1 (en) * | 1979-05-22 | 1980-12-19 | Montabert Roger | PNEUMATIC HAMMER MUFFLER |
US4303131A (en) * | 1980-02-27 | 1981-12-01 | Compair Construction And Mining Ltd. | Compressed-gas-operated reciprocating piston devices |
WO1995013166A1 (en) * | 1993-11-12 | 1995-05-18 | Individual Private Company 'krot' | Pneumatic percussion device |
SE506083C2 (en) * | 1995-07-06 | 1997-11-10 | Berema Atlas Copco Ab | Pneumatic impact tool |
EP1200233A1 (en) * | 1999-06-10 | 2002-05-02 | MacDonald Air Tools Limited | Pneumatic tool |
US7681690B2 (en) * | 2007-07-13 | 2010-03-23 | Longyear Tm, Inc. | Noise abatement device for a pneumatic tool |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3332504A (en) * | 1964-05-18 | 1967-07-25 | James V Lowery | Impact tool |
US3635299A (en) * | 1970-04-20 | 1972-01-18 | Gardner Denver Co | Muffler for pneumatic tool |
CS149009B1 (en) * | 1971-02-01 | 1973-05-24 |
-
1972
- 1972-10-03 SU SU1834043A patent/SU482286A1/en active
-
1973
- 1973-09-27 SE SE7313189A patent/SE395643B/en unknown
- 1973-10-01 DE DE2349296A patent/DE2349296C3/en not_active Expired
- 1973-10-03 US US00403007A patent/US3847232A/en not_active Expired - Lifetime
- 1973-10-03 GB GB4618473A patent/GB1389779A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2349296C3 (en) | 1979-08-02 |
GB1389779A (en) | 1975-04-09 |
DE2349296B2 (en) | 1978-11-23 |
US3847232A (en) | 1974-11-12 |
DE2349296A1 (en) | 1974-05-02 |
SE395643B (en) | 1977-08-22 |
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