WO1990001612A1 - Compression-vacuum percussion machine - Google Patents
Compression-vacuum percussion machine Download PDFInfo
- Publication number
- WO1990001612A1 WO1990001612A1 PCT/SU1989/000205 SU8900205W WO9001612A1 WO 1990001612 A1 WO1990001612 A1 WO 1990001612A1 SU 8900205 W SU8900205 W SU 8900205W WO 9001612 A1 WO9001612 A1 WO 9001612A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mass
- weight
- shaft
- line
- angle
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/12—Means for driving the impulse member comprising a crank mechanism
- B25D11/125—Means for driving the impulse member comprising a crank mechanism with a fluid cushion between the crank drive and the striking body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0073—Arrangements for damping of the reaction force
- B25D2217/0076—Arrangements for damping of the reaction force by use of counterweights
- B25D2217/0088—Arrangements for damping of the reaction force by use of counterweights being mechanically-driven
Definitions
- the front wheel is connected with the direct total weight of the front weight.
- the running force which arises from the rotation of the body weight, is directed at the maximum maximum pressure force in the air duct. This reduces the effect of the radiation forces on the body and its vibration in the direction of the actual machine.
- the basic invention has been provided with such a tool as such
- the task posed is resolved by the fact that in a good-quality vacuo machine, which reduces the problems of the cylinders, which are eliminated, the process is eliminated. Designed for interaction with a working tool, and perfecting, restoring an air conditioner, and having peace of mind,
- Fig. 3 - is a graph of the dependence of the forces involved in the operation of the cycle on the body of the machine in the direction of the whole 25 cylinders of the speed of the machine against the angle of rotation; Fig.
- Fig. 9 a diagram of the change in the magnitude of the sum of 10 times ⁇ with ⁇ with ⁇ and increase in the angle between the components of forces ⁇ 5 and ⁇ a s-D ° 135 °;
- ⁇ iv ⁇ shi ⁇ 5 associated with ⁇ iv ⁇ dnym val ⁇ m 6 ⁇ s ⁇ eds ⁇ v ⁇ m ⁇ iv ⁇ vesa 10 ( ⁇ ig. ⁇ ) ⁇ e ⁇ iya ⁇ g ⁇ on ⁇ l ⁇ s ⁇ s ⁇ , ⁇ e ⁇ endi ⁇ ulya ⁇ nuyu ⁇ si ⁇ ⁇ ⁇ iv ⁇ dn ⁇ g ⁇ shaft 6 ⁇ eds ⁇ avlyae ⁇ s ⁇ b ⁇ y ⁇ igu ⁇ u, s ⁇ s ⁇ yaschuyu of uchas ⁇ v 12,13, 35 ⁇ azdelenny ⁇ ⁇ un ⁇ i ⁇ n ⁇ y line 14.
- Unit 13 has a center of mass “b” located on the line ⁇ - ⁇ ( Economics ⁇ ig. ⁇ ), located on the corner ⁇ ⁇ of the direct ⁇ - ⁇ line. Is angle ⁇ counted in the direction of ss? the rotation of the circle is 5 and is 45-90 °.
- ⁇ and $ is the centrifugal force of the mass of the section 13 of the effective weight of 10, changing the sinusoidal and balancing force of ⁇ .
- the impulse 3 ⁇ is present, which has an effective impulse ⁇ •
- Step 3 for its movement from the lower end to the lower part (the return stroke 3) is used to open the air supply 8, unloading - 8 - no 7 move after yourself.
- One of the constituent forces is the center of the forces ⁇ with the mass of the sym- metrical section 12 of the active 10 line, which is passing through the center of the mass “and” the part of the 12th is 12
- the indicated shock impulse • _- is the most significant source of vibration compared to impulses of all forces - - valid ⁇ on body I of the machine is air-conditioned and air-conditioned 8. Reducing the area of the impact impulse ⁇ . It reduces the vibration of the casing of the I-Vacuum machine in
- the signal has a low voltage at a low voltage, equal to 0.7 times the voltage at a standby frequency.
- a level of 0.7 is a distinctive boundary between the rapidly changing part of the non-resident area and its part is declining.
- the center of mass “b” of the asymmetrical part 13 of the weight 10 is shifted to the angle ⁇ decreasing by 45 °.
- the interval of possible values of the angle ⁇ is 90–45 °. Decrease in the magnitude of the total vector with decreasing angle
- the decrease in the deductible part of the pulse makes up a few percentages, while the decrease in the total value is, on average, 20% (dependent).
- the invention may find application in industry, the business and other industries for the purpose of disassociating various materials and processings.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Lenses (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19893990880 DE3990880T1 (de) | 1988-08-09 | 1989-08-09 | Verdichtungs- und entspannungsschlagmaschine |
GB9007992A GB2229665A (en) | 1988-08-09 | 1990-04-09 | Compression-vacuum percussion machine |
SE9001289A SE9001289L (sv) | 1988-08-09 | 1990-04-09 | Med slagverkan arbetande kompressions- och vakuummaskin |
FI901795A FI901795A0 (fi) | 1988-08-09 | 1990-04-09 | Kompression-understryck-slagverksamhet. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4471996A SU1617139A1 (ru) | 1988-08-09 | 1988-08-09 | Компрессионно-вакуумна машина ударного действи |
SU4471996/25 | 1988-08-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1990001612A1 true WO1990001612A1 (en) | 1990-02-22 |
Family
ID=21394672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SU1989/000205 WO1990001612A1 (en) | 1988-08-09 | 1989-08-09 | Compression-vacuum percussion machine |
Country Status (6)
Country | Link |
---|---|
US (1) | US4991664A (ru) |
FI (1) | FI901795A0 (ru) |
GB (1) | GB2229665A (ru) |
SE (1) | SE9001289L (ru) |
SU (1) | SU1617139A1 (ru) |
WO (1) | WO1990001612A1 (ru) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19739742C2 (de) * | 1997-09-10 | 1999-10-21 | Wacker Werke Kg | Arbeitsgerät mit Massenausgleich am Kurbeltrieb |
GB2366537A (en) * | 2000-09-09 | 2002-03-13 | Ingersoll Rand Company Ltd | Method of making a housing for a tool and the housing so formed. |
DE202004021825U1 (de) * | 2003-03-21 | 2011-05-05 | Black & Decker Inc., Newark | Schwingungsverringerungsvorrichtung für ein angetriebenes Werkzeug und angetriebenes Werkzeug mit einer solchen Vorrichtung |
GB2413611B (en) * | 2003-03-21 | 2006-01-25 | Black & Decker Inc | Impact system for heavy-duty hammer and rock drills |
AU2012203415B2 (en) * | 2003-03-21 | 2013-10-10 | Black & Decker, Inc. | Wobble bearing arrangement for a power tool |
AU2006200540B2 (en) * | 2003-03-21 | 2008-08-21 | Black & Decker, Inc. | Vibration reduction apparatus for power tool and power tool incorporating such apparatus |
DE102005019711A1 (de) * | 2005-04-28 | 2006-11-09 | Robert Bosch Gmbh | Handwerkzeugmaschinenschlagwerkeinheit |
DE102006000279A1 (de) * | 2006-06-08 | 2007-12-13 | Hilti Ag | Handwerkzeugmaschine mit kurbelgetriebenem Luftfederschlagwerk |
JP2008012666A (ja) * | 2006-07-01 | 2008-01-24 | Black & Decker Inc | ハンマードリル用のシリンダー支持構造体 |
JP4863942B2 (ja) * | 2006-08-24 | 2012-01-25 | 株式会社マキタ | 打撃工具 |
DE102007000393A1 (de) * | 2007-07-19 | 2009-01-22 | Hilti Aktiengesellschaft | Handwerkzeugmaschine mit pneumatischem Schlagwerk |
DE102007060636A1 (de) * | 2007-12-17 | 2009-06-18 | Robert Bosch Gmbh | Elektrohandwerkzeug, insbesondere ein Bohr- und/oder Meißelhammer, mit einer Tilgereinheit |
DE102009008189A1 (de) * | 2009-01-30 | 2010-08-05 | Hilti Aktiengesellschaft | Pneumatisches Schlagwerk und Steuerungsverfahren |
DE102009008190A1 (de) * | 2009-01-30 | 2010-08-05 | Hilti Aktiengesellschaft | Pneumatisches Schlagwerk |
ATE527083T1 (de) * | 2009-01-30 | 2011-10-15 | Hilti Ag | Pneumatisches schlagwerk |
JP6510250B2 (ja) * | 2015-01-29 | 2019-05-08 | 株式会社マキタ | 作業工具 |
CN108971628B (zh) * | 2017-05-31 | 2021-02-02 | 博世电动工具(中国)有限公司 | 电动工具 |
US10814468B2 (en) | 2017-10-20 | 2020-10-27 | Milwaukee Electric Tool Corporation | Percussion tool |
US10865734B2 (en) | 2017-12-06 | 2020-12-15 | Ai Alpine Us Bidco Inc | Piston assembly with offset tight land profile |
WO2019147919A1 (en) | 2018-01-26 | 2019-08-01 | Milwaukee Electric Tool Corporation | Percussion tool |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU71768A1 (ru) * | 1940-03-21 | 1900-01-01 | Э.А. Бернер | Механизм ударного действи |
DE2251247A1 (de) * | 1972-10-19 | 1974-05-02 | Duss Maschf | Schlaggeraet |
DE2726214A1 (de) * | 1977-06-10 | 1978-12-21 | Hilti Ag | Bohrhammer mit pneumatisch angetriebenem schlagkolben |
US4222443A (en) * | 1978-07-21 | 1980-09-16 | Hilti Aktiengesellschaft | Motor-driven hammer drill |
GB2138729A (en) * | 1983-04-01 | 1984-10-31 | Vni I Pk I Mekh I Ruch | Compression-vacuum action percussive machine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2407879A1 (de) * | 1974-02-19 | 1975-08-28 | Duss Maschf | Schlaggeraet |
-
1988
- 1988-08-09 SU SU4471996A patent/SU1617139A1/ru active
-
1989
- 1989-08-09 WO PCT/SU1989/000205 patent/WO1990001612A1/ru active Application Filing
- 1989-08-09 US US07/474,739 patent/US4991664A/en not_active Expired - Fee Related
-
1990
- 1990-04-09 SE SE9001289A patent/SE9001289L/xx not_active Application Discontinuation
- 1990-04-09 GB GB9007992A patent/GB2229665A/en not_active Withdrawn
- 1990-04-09 FI FI901795A patent/FI901795A0/fi not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU71768A1 (ru) * | 1940-03-21 | 1900-01-01 | Э.А. Бернер | Механизм ударного действи |
DE2251247A1 (de) * | 1972-10-19 | 1974-05-02 | Duss Maschf | Schlaggeraet |
DE2726214A1 (de) * | 1977-06-10 | 1978-12-21 | Hilti Ag | Bohrhammer mit pneumatisch angetriebenem schlagkolben |
US4222443A (en) * | 1978-07-21 | 1980-09-16 | Hilti Aktiengesellschaft | Motor-driven hammer drill |
GB2138729A (en) * | 1983-04-01 | 1984-10-31 | Vni I Pk I Mekh I Ruch | Compression-vacuum action percussive machine |
Also Published As
Publication number | Publication date |
---|---|
FI901795A0 (fi) | 1990-04-09 |
GB2229665A (en) | 1990-10-03 |
SE9001289L (sv) | 1991-02-10 |
SU1617139A1 (ru) | 1990-12-30 |
SE9001289D0 (sv) | 1990-04-09 |
US4991664A (en) | 1991-02-12 |
GB9007992D0 (en) | 1990-07-18 |
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