NO132880B - - Google Patents
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- Publication number
- NO132880B NO132880B NO4740/73A NO474073A NO132880B NO 132880 B NO132880 B NO 132880B NO 4740/73 A NO4740/73 A NO 4740/73A NO 474073 A NO474073 A NO 474073A NO 132880 B NO132880 B NO 132880B
- Authority
- NO
- Norway
- Prior art keywords
- beams
- leveling
- vibration generator
- beam according
- leveling beam
- Prior art date
Links
- 239000002023 wood Substances 0.000 claims 1
- 238000005056 compaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 241000230533 Gulo gulo Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/063—Solidifying concrete, e.g. by application of vacuum before hardening making use of vibrating or jolting tools
- E04G21/066—Solidifying concrete, e.g. by application of vacuum before hardening making use of vibrating or jolting tools acting upon the surface of the concrete, whether or not provided with parts penetrating the concrete
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
Den foreliggende oppfinnelse vedrører en innretning The present invention relates to a device
for avretting av nylig utlagt betong ved støping av betonggulv, for leveling newly laid concrete when pouring concrete floors,
heller e.l., hvilken'innretning består av to horisontale bjelker som kan beveges i forhold til hverandre. rather, etc., which device consists of two horizontal beams that can be moved in relation to each other.
Bygging av betonggulv omfatter vanligvis følgende arbeidsfaser: Støping,komprimeringjavretting og overflatepressing. Opprinnelig ble alt dette arbeid utført for hånd, men det er gradvis blitt utviklet maskiner for utførelse av dette. Vibrasjonsbjelker eller avrettere som komprimerer og avretter betongen samtidig, Construction of concrete floors usually includes the following work phases: Casting, compaction, straightening and surface pressing. Originally, all this work was done by hand, but machines have gradually been developed to carry this out. Vibrating beams or levelers that compress and level the concrete at the same time,
blir nå vanligvis brukt på betonggulvdekker. is now commonly used on concrete floor coverings.
Por å oppnå den nødvendige komprimeringsvirkning, Por to achieve the required compression effect,
er vibrasjonsbjelkene utstyrt med elektriske eller bensinmotor-drevne vibratorer, hvis vibrasjonskrefter orienteres i plan i rette vinkler til overflaten som komprimeres. Komprimering frembringer et trykk i betongen hvilket resulterer i at betongen blir presset opp bak bjelken. Størrelsen av dette trykk avhengér delvis av konsistensen og lagtykkelsen til betongen og delvis av hastigheten med hvilken bjelken blir beveget over denne. I praksis er det meget vanskelig å oppnå en fullstendig jevn og konstant fremførings-hastighet. Por så langt som mulig å begrense virkningen av at betongen presses opp, er bjelken anordnet som en dobbeltbjelke. Imid-lertid på grunn av den før nevnte vanskelighet, er selv ikke dobbeltbjelken i stand til å frembringe en betongflate med den jevnhet som ofte er påkrevet. the vibration beams are equipped with electric or petrol engine-driven vibrators, whose vibration forces are oriented in a plane at right angles to the surface being compressed. Compaction produces a pressure in the concrete which results in the concrete being pushed up behind the beam. The size of this pressure depends partly on the consistency and layer thickness of the concrete and partly on the speed with which the beam is moved over it. In practice, it is very difficult to achieve a completely uniform and constant feed rate. To limit as far as possible the effect of the concrete being pushed up, the beam is arranged as a double beam. However, due to the previously mentioned difficulty, even the double beam is not able to produce a concrete surface with the smoothness that is often required.
Ved utjevning av betongflaten for hånd<y>ed hjelp av When leveling the concrete surface by hand<y>ed with the help of
en rettholt s^m bearbeider overflaten med en horisontal sagbevegelse, oppnås en meget flat og jevn flate. Dette er også tilfelle med de horisontalt-oscillerende avretterbjelker som nyttes på maskiner på bygging av betongveier etc. Disse bjelker er enkeltvirkende, dvs. de består kun av et slagorgan eller påvirkningsorgan og følgen av t i Ifc aks-sasc fevepcels er. er at reaksjonskraften ser.'"Jerven oppstår -må absorberes enten av maskinrammen i hvilken bjelken er montert, eller av en tung ramme for kraftenheten som er montert fleksibelt på bjelken. a straight-cut saw processes the surface with a horizontal saw movement, a very flat and even surface is achieved. This is also the case with the horizontally-oscillating screed beams that are used on machines for the construction of concrete roads etc. These beams are single-acting, i.e. they only consist of an impactor or impactor and the result of t i Ifc aks-sasc fevepcels is. is that the reaction force sees.'"The wolverine occurs -must be absorbed either by the machine frame in which the beam is mounted, or by a heavy frame for the power unit which is mounted flexibly on the beam.
Formålet ved den foreliggende oppfinnelse er å tilveie-bringe en avrettingsinnretning i hvilken de ovennevnte ulemper er eliminert. Por dette formål består innretningen av to parallelle bjelker forbundet med hverandre og på hvilke det er anordnet en vibrasjonsgenerator utformet til å bringe bjelkene til å beskrive The purpose of the present invention is to provide a straightening device in which the above-mentioned disadvantages are eliminated. For this purpose, the device consists of two parallel beams connected to each other and on which is arranged a vibration generator designed to bring the beams to describe
en oscillasjonsbevegelse i forhold til hverandre. Spesielt karak-teristisk for oppfinnelsen er at forbindelsen mellom bjelkene er fleksibel og at vibrasjonsgeneratoren er anordnet s.lik at en hovedsaklig longitudinal oscillasjonsbevegelse bibringes- bjelkene i forhold til deres lengdeakser. .....-v, Ved å plassere .bjelkene på en horisontal overflate, oppnås den- ønskede- sagebevegelse i hver bjelke og ved en hensikts-messig kombinasjon av amplitude og frekvens kan virkningen av manuell - avretning simuleres'..'. '•'''■ an oscillating motion relative to each other. Particularly characteristic of the invention is that the connection between the beams is flexible and that the vibration generator is arranged in such a way that a mainly longitudinal oscillating movement is imparted to the beams in relation to their longitudinal axes. .....-v, By placing the beams on a horizontal surface, the desired sawing movement is achieved in each beam and by an appropriate combination of amplitude and frequency, the effect of manual leveling can be simulated'..'. '•'''■
:.l Reaksjonskraften som oppstår som et resultat av oscillasjonsbevegelsen, absorberes gjensidig av bjelkene hvilket resulterer i.-at den nødvendige ramme for absorbsjon av de før nevnte reaksjonskrefter i de- tidligere kjente enkle bjelker av den omtalte type, kan elimineres helt. I denne utførelse kan de enkle bjelker som er inkorporert i dobbeltbjelken, sies å danne deler av et oscillasjonssystem med to legemer og med bjelkenes friksjon mot overflaten tjenende som en dempefaktor inkorporert i systemet. :.l The reaction force that occurs as a result of the oscillating movement is mutually absorbed by the beams, which results in the necessary frame for absorbing the previously mentioned reaction forces in the previously known simple beams of the mentioned type, can be completely eliminated. In this embodiment, the single beams incorporated into the double beam can be said to form parts of a two-body oscillating system with the beams' friction against the surface serving as a damping factor incorporated into the system.
Oppfinnelsen er mer detaljert beskrevet i det følgende med henvisning til tegningen som viser to versjoner av oppfinnelsen ved hjelp av eksempler. Fig. 1 er et sideriss av en dobbeltbjelke hvis vibrasjonsgenerator består av en forbindelsesstangenhet. The invention is described in more detail below with reference to the drawing which shows two versions of the invention by way of examples. Fig. 1 is a side view of a double beam whose vibration generator consists of a connecting rod assembly.
Fig. 2 viser bjelken i fig. 1 sett ovenfra, og Fig. 2 shows the beam in fig. 1 seen from above, and
fig. 3 viser en annen versjon av oppfinnelsen sett ovenfra. fig. 3 shows another version of the invention seen from above.
De parallelle bjelker 1 og 2 er forbundet med hverandre ved hjélp~' av f jærenhetér 3 som' i de to viste versjoner, består av bladfjærer. Bjelkene bringes til å utføre en horisontal oscillasjonsbevegelse ved hjelp av en forbindelsesstangenhet'omfattende en motor 4 montert på en av bjeikene og forbindelsésstang 5-En ende 6 The parallel beams 1 and 2 are connected to each other by means of spring units 3 which, in the two versions shown, consist of leaf springs. The beams are brought to perform a horizontal oscillating movement by means of a connecting rod assembly comprising a motor 4 mounted on one of the beams and connecting rod 5-One end 6
av forbindelsesstangén er eksentrisk montert på motorens aksel og den andre ende'7' er svingbart montert på" én brakett'8 anordnet på of the connecting rod is eccentrically mounted on the engine's shaft and the other end'7' is pivotably mounted on" one bracket'8 arranged on
den andre bjelke. the other beam.
Ved å anbringe'forbindelsesstangen 5 på en slik måte By placing the connecting rod 5 in such a way
at dens ;lengdeakse står i rétté vinkler til blådfjærenes lengdeakser, bringes bjelkene 1 og 2 til å utføre en oscillasjonsbevegelse hvis retning vil fremgå av pilene vist i fig. 2 og 3. that its longitudinal axis is at right angles to the longitudinal axes of the blue springs, the beams 1 and 2 are brought to perform an oscillating movement, the direction of which will be apparent from the arrows shown in fig. 2 and 3.
Oppfinnelsen er ikke begrenset til de versjoner som er " vist som ek"sémpler 'i 'tegningen. ' Føigélig kan forbindelsesstangen-heten-'erstattes' av" et'- vibrasjons frembringende eksentrisk element anbragt på- én_ av bjelkene-- me'd' sin- eksentriske aksel 'i' rette vinkler til bjelkenes lengdeakser; Ettersom'bjelkene danner -et system b'e- stående av to legemer bringer vibrasjonene den til å oscillere i forhold til hverandre idet.oscillasjonsamplituden til hver bjelke står i inverst forhold til dens masse.. The invention is not limited to the versions which are "shown as examples" in the drawing. It is possible that the connecting rod unit can be replaced by a vibration-producing eccentric element placed on one of the beams with its eccentric axis at right angles to the longitudinal axes of the beams; As the beams form a system b- consisting of two bodies, the vibrations cause it to oscillate relative to each other as the oscillation amplitude of each beam is inversely proportional to its mass..
Det er videre mulig innenfor foreliggende oppfinnelses ramme å erstatte bladfjærene • - 5 med.strekkstenger hvis ender er svingbart og.fleksibelt forbundet med de respektive bjelker. It is also possible within the framework of the present invention to replace the leaf springs • - 5 with tensile rods whose ends are pivotably and flexibly connected to the respective beams.
Por å.forsterke bjelkens avrettingsbévegelse med en vibrasjonsbevegelse orientert i rette vinkler i forhold til den avrettede flate, kan bjelken, utstyres med en vibrator. Ved hjelp av den horisontale bevegelse frembragt ved utformningen av forbind-elsesfjærene eller forbindelsesstrekkstengene, vil den dobbelte bjelke være vibrasjonsstiv i vertikalplanet. En vibrator som frembringer vertikale vibrasjoner, bevirker følgelig at bjelken vibrerer i nevnte plan hvilket resulterer i at det oppnås en komprimeringsvirkning i tillegg til avrettingsvirkningen. ■ In order to reinforce the leveling movement of the beam with a vibrational movement oriented at right angles to the leveled surface, the beam can be equipped with a vibrator. By means of the horizontal movement produced by the design of the connecting springs or connecting tension rods, the double beam will be vibrationally rigid in the vertical plane. A vibrator which produces vertical vibrations consequently causes the beam to vibrate in said plane, which results in a compression effect being achieved in addition to the leveling effect. ■
Claims (6)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7216244A SE370751B (en) | 1972-12-13 | 1972-12-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO132880B true NO132880B (en) | 1975-10-13 |
NO132880C NO132880C (en) | 1976-01-21 |
Family
ID=20301948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO4740/73A NO132880C (en) | 1972-12-13 | 1973-12-12 |
Country Status (10)
Country | Link |
---|---|
US (1) | US3883259A (en) |
JP (1) | JPS4997429A (en) |
BR (1) | BR7309689D0 (en) |
CH (1) | CH576056A5 (en) |
ES (1) | ES198553Y (en) |
FR (1) | FR2211031A5 (en) |
IT (1) | IT1000989B (en) |
NO (1) | NO132880C (en) |
SE (1) | SE370751B (en) |
ZA (1) | ZA738793B (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH648724A5 (en) * | 1980-10-02 | 1985-04-15 | Bucher Guyer Ag Masch | DEVICE FOR TILLAGE TREATMENT, IN PARTICULAR FOR GARDEN OR PARKING SYSTEMS. |
SE434238B (en) * | 1981-03-25 | 1984-07-16 | Tremix Ab | DEVICE AND PLANNING OF PLASTIC CONCRETE OR SIMILAR PLASTIC MASS |
DE3120226A1 (en) * | 1981-05-21 | 1982-12-09 | Albert 8500 Nürnberg Friebel | DEVICE FOR REMOVING AND SMOOTHING THE SURFACE OF BOEDEN |
US4685826A (en) * | 1983-01-13 | 1987-08-11 | Allen Engineering Corporation | Vibratory screed including a laterally displaceable oscillating strike-off |
US4741643A (en) * | 1983-01-13 | 1988-05-03 | Allen Engineering Corporation | Laterally translatable, carriage-mounted, concrete finishing apparatus |
US4648741A (en) * | 1983-01-13 | 1987-03-10 | Allen J Dewayne | Vibratory screed including a spreading device for leveling and distributing plastic concrete in front of the screed |
US4568219A (en) * | 1984-06-04 | 1986-02-04 | Logan Western Road, Inc. | Road grader |
US4700786A (en) * | 1984-06-04 | 1987-10-20 | Logan Western Road, Inc. | Drag-type road grader |
CA1223750A (en) * | 1986-03-05 | 1987-07-07 | Roger Rouillard | Concrete levelling screed |
US4758114A (en) * | 1987-02-17 | 1988-07-19 | M-B-W Inc. | Vibratory concrete screed |
US5375942A (en) * | 1990-11-29 | 1994-12-27 | Lindley Incorporated | Material-leveling apparatus |
US5244305A (en) * | 1990-11-29 | 1993-09-14 | Lindley Thomas R | Concrete striking equipment |
US5281050A (en) * | 1992-05-11 | 1994-01-25 | Howard Ronald M | Power screed |
US5868522A (en) * | 1997-01-16 | 1999-02-09 | Astec Industries, Inc. | Vibratory screed assembly for an asphalt paving machine |
US5984571A (en) * | 1997-10-31 | 1999-11-16 | Cleform Tool Company | Vibrating screed |
BE1014211A5 (en) * | 2001-06-05 | 2003-06-03 | Drion Constructie Bv Met Beper | Concrete down machine and method for forming a concrete track. |
US7121762B2 (en) | 2001-10-09 | 2006-10-17 | Somero Enterprises, Inc. | Apparatus for screeding uncured concrete surfaces |
CN1636094B (en) | 2001-10-09 | 2011-11-23 | 索诺企业有限公司 | Light apparatus for screeding and vibrating uncured concrete surfaces |
US7153058B2 (en) * | 2002-05-14 | 2006-12-26 | Joe Lindley | Apparatus for finishing concrete |
WO2009154814A2 (en) * | 2008-02-27 | 2009-12-23 | Somero Enterprises, Inc. | Concrete finishing apparatus |
EP2240643A1 (en) * | 2008-01-03 | 2010-10-20 | Somero Enterprises, Inc. | Wheeled screeding device |
US7851345B2 (en) * | 2008-03-19 | 2010-12-14 | Stats Chippac, Ltd. | Semiconductor device and method of forming oxide layer on signal traces for electrical isolation in fine pitch bonding |
US9267247B2 (en) | 2014-04-03 | 2016-02-23 | Jeff R. Angel | Ergonomic non-motorized vibratory concrete screed |
US10100537B1 (en) | 2017-06-20 | 2018-10-16 | Allen Engineering Corporation | Ventilated high capacity hydraulic riding trowel |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2248247A (en) * | 1939-11-18 | 1941-07-08 | Harry H Nichols | Screeding and floating machine for cement floors |
US2372163A (en) * | 1941-10-31 | 1945-03-20 | Marvin E Whiteman | Portable concrete rodding machine |
US3256788A (en) * | 1962-10-17 | 1966-06-21 | James L Schweihofer | Concrete screeder |
US3412658A (en) * | 1966-11-14 | 1968-11-26 | John E. Griffin | Road surfacing device |
US3523494A (en) * | 1968-03-29 | 1970-08-11 | Leroy O Kraemer | Oscillating power screed |
-
1972
- 1972-12-13 SE SE7216244A patent/SE370751B/xx unknown
-
1973
- 1973-11-16 ZA ZA738793A patent/ZA738793B/en unknown
- 1973-12-06 US US422307A patent/US3883259A/en not_active Expired - Lifetime
- 1973-12-07 ES ES1973198553U patent/ES198553Y/en not_active Expired
- 1973-12-10 IT IT9717/73A patent/IT1000989B/en active
- 1973-12-11 BR BR9689/73A patent/BR7309689D0/en unknown
- 1973-12-12 CH CH1734873A patent/CH576056A5/xx not_active IP Right Cessation
- 1973-12-12 NO NO4740/73A patent/NO132880C/no unknown
- 1973-12-13 FR FR7344597A patent/FR2211031A5/fr not_active Expired
- 1973-12-13 JP JP48138249A patent/JPS4997429A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2361392A1 (en) | 1974-06-20 |
IT1000989B (en) | 1976-04-10 |
ES198553U (en) | 1975-06-16 |
SE370751B (en) | 1974-10-28 |
CH576056A5 (en) | 1976-05-31 |
NO132880C (en) | 1976-01-21 |
JPS4997429A (en) | 1974-09-14 |
DE2361392B2 (en) | 1977-01-13 |
BR7309689D0 (en) | 1975-09-02 |
US3883259A (en) | 1975-05-13 |
FR2211031A5 (en) | 1974-07-12 |
ZA738793B (en) | 1974-10-30 |
ES198553Y (en) | 1975-11-16 |
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