NO892176L - Concrete casting sprayer. - Google Patents
Concrete casting sprayer.Info
- Publication number
- NO892176L NO892176L NO89892176A NO892176A NO892176L NO 892176 L NO892176 L NO 892176L NO 89892176 A NO89892176 A NO 89892176A NO 892176 A NO892176 A NO 892176A NO 892176 L NO892176 L NO 892176L
- Authority
- NO
- Norway
- Prior art keywords
- drive path
- spray nozzle
- nozzle
- concrete
- spray
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/1223—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers discontinuously operating mixing devices, e.g. with consecutive containers
- B28C5/123—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers discontinuously operating mixing devices, e.g. with consecutive containers with pressure or suction means for discharging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Nozzles (AREA)
Description
Oppfinnelsen angår et sprøyteapparat for betong-støping omfattende en betongblandebeholder med en drivbane for flytting av betongblandingen, og en sprøytedyse ved ut-gangsenden av drivbanen med en trykkluftdyse inne i sprøyte-dysen . The invention relates to a spraying apparatus for concrete casting comprising a concrete mixing container with a drive path for moving the concrete mixture, and a spray nozzle at the output end of the drive path with a compressed air nozzle inside the spray nozzle.
Trykkluftkanalen som fører til trykkluftdysen er vanligvis beregnet for å passere gjennom sentrum av betongblande- og drivbanens aksel (fig. 1). I tysk patentpublika-sjon 2 056 145 og 2 103 448 er det vist en alternativ utførel-sesform hvor trykkluft sendes fra en ringformet sliss av dysen til den stråledannende dyse. The compressed air duct leading to the compressed air nozzle is usually designed to pass through the center of the concrete mixing and driving track shaft (Fig. 1). In German patent publication 2 056 145 and 2 103 448, an alternative embodiment is shown where compressed air is sent from an annular slot of the nozzle to the jet-forming nozzle.
Formålet med den foreliggende oppfinnelse er å opp-nå en ny type sprøyteapparat for betongstøping som byr på betydelige fordeler sammenlignet med konvensjonell teknikk. Betongsprøyteapparatet erkarakterisert vedat det har en sprøytedyse anordnet på toppen av betongblande- og drivbanen slik at sprøytedysen er tilpasset vinkelrett på drivbanens akse. På den måten kan én eller flere trykkluftdyser tilpasses sprøytedysen på toppen på en ønsket måte. Behovet for å sende trykkluft via kanaler unngås hvilket tillater at drivbanen kan dreies med en aksel i ett stykke. The purpose of the present invention is to achieve a new type of spraying apparatus for concrete casting which offers significant advantages compared to conventional technology. The concrete spraying apparatus is characterized in that it has a spray nozzle arranged on top of the concrete mixing and drive path so that the spray nozzle is adapted perpendicular to the axis of the drive path. In this way, one or more compressed air nozzles can be adapted to the spray nozzle on top in the desired way. The need to send compressed air via ducts is avoided, which allows the drive path to be turned with a one-piece shaft.
En utførelsesform av oppfinnelsen erkarakterisertved at trykkluftdysen omfatter et rør anbragt innenfor det bakre avsnitt av sprøytedysen på toppen og vinkelrett på drivbanens akse. Denne type av trykkluftdyse er en enkel kon-struksjon, billig å fremstille og kan hurtig utskiftes med forskjellige typer dyser dersom det kreves. An embodiment of the invention is characterized in that the compressed air nozzle comprises a pipe placed within the rear section of the spray nozzle on top and perpendicular to the axis of the drive path. This type of compressed air nozzle is a simple construction, cheap to manufacture and can be quickly replaced with different types of nozzles if required.
En annen utførelsesform av oppfinnelsen erkarakterisert vedat sprøytedysen er svingbart montert på enden av drivbanen for å kunne være dreibar om drivbanens akse. På den måten kan sprøytedysen lett rettes mot et ønsket punkt dersom det ønskes sprøyting på skrå ovenfra eller nedenfra. Another embodiment of the invention is characterized in that the spray nozzle is pivotably mounted on the end of the drive path in order to be rotatable about the axis of the drive path. In this way, the spray nozzle can be easily directed towards a desired point if spraying is desired at an angle from above or below.
En ytterligere utførelsesform av oppfinnelsen erkarakterisert vedat sprøytedysen er roterbart montert ved hjelp av et kuleledd til toppen av drivbanen slik at dysen kan innstilles fritt i enhver retning. På den måten kan strå-len rettes i ønskede retninger, og videre dersom drivbanen er forsynt med to skruebaner med individuelle toppenheter, kan det oppnås vesentlige forbedringer sammenlignet med alle be-tongsprøytekonstruksjoner fra den kjente teknikk. A further embodiment of the invention is characterized in that the spray nozzle is rotatably mounted by means of a ball joint to the top of the drive path so that the nozzle can be set freely in any direction. In this way, the beam can be directed in desired directions, and furthermore if the drive path is provided with two screw paths with individual top units, significant improvements can be achieved compared to all concrete spraying constructions from the known technique.
Oppfinnelsen skal beskrives nærmere i det følgende i forbindelse med et utførelseseksempel og under henvisning til tegningene, der fig. 1 viser et konvensjonelt sprøyte-apparat for betongstøping sett i tverrsnitt, fig. 2 viser et betongsprøyteapparat ifølge oppfinnelsen sett ovenfra, fig. 3 er et snittriss etter linjen III-III på fig. 2, fig. 4 viser et forstørret utsnitt av sprøytedysen, fig. 5 viser sprøyte-dysen delvis i tverrsnitt, fig. 6 viser en annen utførelses-form av betongsprøyteapparatet med to betongblande- og driv-baner og to sprøytedyser, fig. 7 viser et betongsprøyteapparat ifølge oppfinnelsen hellende fra vertikalaksen. The invention shall be described in more detail below in connection with an exemplary embodiment and with reference to the drawings, where fig. 1 shows a conventional spraying apparatus for concrete casting seen in cross-section, fig. 2 shows a concrete spraying apparatus according to the invention seen from above, fig. 3 is a sectional view along the line III-III in fig. 2, fig. 4 shows an enlarged section of the spray nozzle, fig. 5 shows the spray nozzle partially in cross-section, fig. 6 shows another embodiment of the concrete spraying apparatus with two concrete mixing and driving paths and two spray nozzles, fig. 7 shows a concrete spraying apparatus according to the invention inclined from the vertical axis.
Betongsprøyteapparatet omfatter en betongblandebeholder 1 med en betongblande-drivbane 2 under beholderen, og en sprøytedyse 3 anordnet på enden av drivbanen med en trykkluftdyse inne i sprøytedysen. Sprøytedysen 3 er festet til toppen av drivbanen 2 slik at dyseavsnittet er vinkelrett på drivbanens akse. Trykkluftdysen består av et rør 5, festet til det bakre avsnitt av sprøytedysen 3 slik at røret også står vinkelrett på drivbanen. Fig. 5 viser fremgangsmåten for dreibar montering av sprøytedysen 3 på endeavsnittet av drivbanen som vist med pilen 6. Dreievinkelen kan være opp-til 180°. Fig. 6 og 7 viser et betongsprøyteapparat med to sprøytedyser, hvor en helning a av apparatet tillater heving av sprøytedysene slik at de kan forskyves i en høyde x, slik at sprøyteoperasjonen kan skje raskere. Antallet av trykkluftdyser kan velges fritt slik at utførelsesformen vist på fig. The concrete spraying apparatus comprises a concrete mixing container 1 with a concrete mixing drive path 2 below the container, and a spray nozzle 3 arranged at the end of the drive path with a compressed air nozzle inside the spray nozzle. The spray nozzle 3 is attached to the top of the drive path 2 so that the nozzle section is perpendicular to the axis of the drive path. The compressed air nozzle consists of a pipe 5, attached to the rear section of the spray nozzle 3 so that the pipe is also perpendicular to the drive path. Fig. 5 shows the method for rotatable mounting of the spray nozzle 3 on the end section of the drive path as shown by arrow 6. The turning angle can be up to 180°. Fig. 6 and 7 show a concrete spraying apparatus with two spray nozzles, where an inclination a of the apparatus allows the spray nozzles to be raised so that they can be displaced at a height x, so that the spraying operation can take place more quickly. The number of compressed air nozzles can be chosen freely so that the embodiment shown in fig.
5 f.eks. kan ha tre dyser. Betongblandebeholderen 1 har også 5 e.g. can have three nozzles. The concrete mixing container 1 also has
et fylleblad 7 som skyver og driver frem betongblandingen, som nå kan ha en meget høy stivhet, mot drivbanen 2. I kraft av oppfinnelsen kan utformingen av dysen varieres i en stor grad hvilket tillater redusering av strømningsmotstanden til betongblandingen og bruk av blandinger med ekstrem stivhet og grovt tilslag. a filler blade 7 which pushes and propels the concrete mixture, which can now have a very high stiffness, towards the drive path 2. By virtue of the invention, the design of the nozzle can be varied to a large extent, which allows the reduction of the flow resistance of the concrete mixture and the use of mixtures with extreme stiffness and coarse aggregate.
Sprøytedysen 3 kan naturligvis være forsynt med to dyser tilpasset horisontalt eller vertikalt nær hverandre. I denne utførelsesform vil sprøytedysen tilsvarende inneholde to trykkluftdyser 4 eller henholdsvis grupper av dyser. The spray nozzle 3 can of course be provided with two nozzles adapted horizontally or vertically close to each other. In this embodiment, the spray nozzle will correspondingly contain two compressed air nozzles 4 or respectively groups of nozzles.
Claims (4)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI882561A FI882561L (en) | 1988-05-31 | 1988-05-31 | CONCRETE SPRAY. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO892176D0 NO892176D0 (en) | 1989-05-30 |
| NO892176L true NO892176L (en) | 1989-12-01 |
Family
ID=8526553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO89892176A NO892176L (en) | 1988-05-31 | 1989-05-30 | Concrete casting sprayer. |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0345237A1 (en) |
| DK (1) | DK248189A (en) |
| FI (1) | FI882561L (en) |
| NO (1) | NO892176L (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2951986B1 (en) * | 2009-11-02 | 2013-09-27 | Dev Chanvre | LOW DENSITY CONCRETE PROJECTION DEVICE. |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR550845A (en) * | 1922-05-01 | 1923-03-21 | Material trainer especially applicable to the projection of fragmented materials such as concrete | |
| US1731953A (en) * | 1926-08-16 | 1929-10-15 | Thomson Peter | Mixer and conveyer |
| GB390257A (en) * | 1931-12-10 | 1933-04-06 | Ernst Bongardt | Improvements in or relating to the conveyance and mixing of granular materials such as concrete or the like |
| US2261441A (en) * | 1939-02-04 | 1941-11-04 | Leslie A Layne | Cementing machine |
| US3370890A (en) * | 1966-10-26 | 1968-02-27 | Morgan Mason Edward | Pneumatic conveyors for dry portland cement |
| FR2063236A5 (en) * | 1969-09-05 | 1971-07-09 | Garreau Jean | Pneumatic projection device for refrac-tory powders |
| US4106111A (en) * | 1977-04-07 | 1978-08-08 | Rose Leo J | Improved concrete making and transmission |
-
1988
- 1988-05-31 FI FI882561A patent/FI882561L/en not_active Application Discontinuation
-
1989
- 1989-05-22 DK DK248189A patent/DK248189A/en not_active Application Discontinuation
- 1989-05-25 EP EP89850173A patent/EP0345237A1/en not_active Withdrawn
- 1989-05-30 NO NO89892176A patent/NO892176L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO892176D0 (en) | 1989-05-30 |
| FI882561A7 (en) | 1989-12-01 |
| FI882561A0 (en) | 1988-05-31 |
| FI882561L (en) | 1989-12-01 |
| DK248189A (en) | 1989-12-01 |
| EP0345237A1 (en) | 1989-12-06 |
| DK248189D0 (en) | 1989-05-22 |
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