EP1464762A1 - Pneumatisches Absaugrohr zum Aufnehmen von Erdreich und Saugbagger mit einem solchen Absaugrohr - Google Patents
Pneumatisches Absaugrohr zum Aufnehmen von Erdreich und Saugbagger mit einem solchen Absaugrohr Download PDFInfo
- Publication number
- EP1464762A1 EP1464762A1 EP04006314A EP04006314A EP1464762A1 EP 1464762 A1 EP1464762 A1 EP 1464762A1 EP 04006314 A EP04006314 A EP 04006314A EP 04006314 A EP04006314 A EP 04006314A EP 1464762 A1 EP1464762 A1 EP 1464762A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction
- crown
- suction pipe
- air
- tube
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
- E02F3/9262—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with jets
Definitions
- the invention relates to a pneumatic suction pipe for pneumatic Picking up soil using the thin current method, for suction devices like suction dredger when generating a suction air flow, with one at the bottom, crown arranged towards the earth end, being at the upper end a suction hose can be connected to the suction pipe, according to the preamble of claim 1. Furthermore, the invention relates to a suction excavator according to the preamble of claim 8 and the use of such Suction pipe according to claim 9.
- suction excavators When working on underground systems and for manufacturing them So-called pneumatic suction excavators are used to excavate the soil used, which work according to the thin-current process, that is, the masses conveyed are quantitative in relation to the transport medium air low, with a fast flowing air flow for transporting the soil is used.
- suction excavators have at their suction end a proboscis or a suction pipe, which on the lower, facing the ground End has a crown, which is serrated and with a predetermined Pressure, at least under the weight of the suction tube, for everyone Suction process is driven into the ground.
- Blow lances are known for this purpose supplied with compressed air by a compressor installed on the suction excavator become.
- air lance batteries run as pneumatic within the suction tube Release device, wherein several air lances, which via a pressure distributor are coupled, mounted on the suction port of the suction excavator, wherein the air lance is optionally arranged inside or outside, but preferably are arranged inside.
- the air lances point downwards towards the ground Nozzles on the inside of the suction crown and above the lower end the same lie and are protected by the external suction crown.
- the Air lances are controlled in a clocked manner via a compressed air distributor, so that either a constant or a pulsed air flow is generated, that comes out of the air vents at high speed.
- the invention has for its object a pneumatic suction tube to create the type mentioned, which within the suction pipe has no air turbulence when vacuuming soil and thus one with Air turbulence associated high energy consumption is avoided.
- the solution to the problem is with a pneumatic suction tube mentioned type in that the suction tube above the crown slots has for the inflow of air bypassing the lower crown opening in Function of a bypass to ensure laminar flow in the Suction pipe.
- the advantage of the invention is that the pneumatic suction tube when Vacuuming of soil has no air turbulence or creates so that a high energy consumption associated with air turbulence is avoided. But because of the bypass, because of the same peripheral around the suction tube directly above the crown air from the side of the Suction pipe is sucked in, the resulting air flow is within the Suction tube laminar. As a result, there are no material deposits within the Suction tube.
- the suction pipe has slots above the crown for the inflow of Air bypassing the crown opening as a bypass to ensure a laminar flow in the suction pipe.
- the slots can become peripheral extend around the suction tube, the length of the slots being considerable is larger than the width of the slots, preferably in a ratio of Length to width as 5: 1 to 20: 1.
- the slots can also be closed and openable and adjustable in length and width, which means that over the Bypass incoming air volume can be adapted to specific circumstances can.
- the invention further relates to a suction excavator with a pneumatic Suction pipe for the pneumatic picking up of soil after Thin-stream process for generating a suction air stream, with one at the bottom, arranged to the earth-facing end of the suction tube crown, with the upper end of the suction pipe a suction hose can be connected, the Suction tube above the crown has slots for air to flow in Bypassing the lower crown opening as a bypass to ensure a laminar flow in the suction pipe.
- a suction hose can be connected to the upper end of the suction pipe, and the suction pipe above the crown has slots for the inflow of Air bypassing the lower crown opening as a bypass Ensuring a laminar flow in the suction pipe for use with suction excavators or suction devices with pneumatic picking up of soil according to the thin-stream method when generating a suction air stream.
- FIGS 1, 2 and 3 show a side view of a patented example a suction pipe 3 for a suction device, in particular one (not shown) suction dredger, with an outgoing at the upper end of the suction pipe 3 Suction hose 24 and one arranged at the lower end of the suction pipe 3 jagged crown 11.
- a compressed air tube 10 to Feeding compressed air into an air ring tube 2, which is ring-shaped around the suction tube 3 is arranged around the crown 11 and as a compressed air reservoir serves.
- On the air ring tube 2 are perpendicular downward parallel to the central axis 30 of the suction tube 3 extending pointed tubes 1, preferably three or more, the inside of the tube via an inlet opening 31 with the volume of Air ring tube 2 is connected.
- the pointed tubes 1 protrude down the crown 11 towards the ground, and preferably by a few centimeters up to 25 cm, in to choose Dependence on the density of the soil.
- the pointed tubes 1, each one have outermost tip 33 for ramming into the ground, have above the tip 33 an outlet opening 32 for the compressed air.
- the normal of the plane the outlet opening 32 is directed radially to the central axis 30 of the suction pipe 3 and stands vertically on it, so that the one emerging from each pointed tube 1 Compressed air flow also radially to the central axis 30 of the normal Suction pipe 3 is directed.
- the device during operation, the pointed tubes 1, which protrude the crown 11 down to the ground when the Suction pipe 3 and thus the crown 11 driven into the ground on the ground, so that the outlet opening 32 of the pointed tubes 1 for the compressed air below the surface of the soil is in the ground.
- the crown 11 When switching on the compressed air flow becomes the same below the crown 11 parallel to a cross-sectional plane the crown 11 is blown into it within the ground, thereby an earth core of approximately the size or smaller of the clear cross section of the Crown 11 is pushed up and detached, which through the suction pipe 3 is suctioned off.
- the diameter of the outlet opening 31 of the pointed tubes 1 is preferably smaller than the diameter of the inlet opening 32, which is an enlargement of the Leaving air velocity, increasing the ability to Loosening of the earth is improved.
- the angle a of the tip 33 of the pointed tube 1 is preferably 30 °, as can be seen in Figure 3, so that the Pointed tubes 1 are well suited to penetrate the soil.
- FIG. 2 shows an enlargement from FIG. 1 for a detailed illustration of the upper part of the suction pipe 3 and the same holder.
- a connecting ring 4 is firmly placed, on the upper end of a Bellows 27, for example a rubber hose 27, is attached, which in turn with its upper end comprises an upper part 5 in the form of a connecting sleeve 5; the bellows 27 is fixed at both ends to the connecting ring by means of hose clamps 16 4 and the connecting sleeve 5 connected; the suction hose leads from the connecting sleeve 5 24 to the suction excavator.
- the compressed air pipe 10 is on the outside of the suction pipe 3 welded on.
- FIG. 4 shows a section perpendicular to the central axis 30 of the suction pipe 3 through the suction pipe 3 in the area of the lower end thereof above the Air ring tube 2, namely along the section line A-A in Figure 3, for a top view of the air ring tube 2, with the access 29 of the compressed air tube 10 shown in section into the air ring tube 2.
- the dashed lines, from bottom-facing connections 23 of the pointed tubes 1 to the air ring tube 2 remove. There are thus the access 29 of the compressed air tube 3 and the Connections 23 for the pointed tubes 1 can be seen.
- the connections 23 for the pointed tubes 1 are evenly distributed on the air ring tube and the arc length between two connections corresponds to an angle of 120 ° and the access 29 of the compressed air tube 10 lies in the middle between two connections 23.
- Figures 5 and 5a show a view from below of the air ring tube 2 without suction pipe perpendicular to the central axis of the same with the illustration one of the connection openings 23 within the air ring tube 2 when removed Pointed tubes, which are inserted into the connection openings 23 and on the other hand a cross section in a horizontal plane of the air ring tube 2 of the Figure 5, with access 29 of the air pressure tube 10 in the air ring tube 2 and one of the Connection openings 23 for one of the pointed tubes. It is also evident that that Air ring tube 2 has no inner wall. This is not necessary because the air ring tube 2 is welded to the crown 11 or at the lower end of the suction pipe 3.
- the leadership preferably consists of three upper guide sleeves 7, for example in the form of perforated ears 7, which are arranged on the connecting sleeve 5 and from three lower Guide sleeves or bushings 19, for example GAR-MAX bushings or likewise in the form of perforated ears 19, which are arranged on the connecting ring 4 are.
- the guide sleeves 7, 19 stand lengthways in the vertical direction their coincident central axes.
- the guide sleeves are preferably 7, 19 at equidistant intervals peripherally around the connecting sleeve 5 and Connection ring 4 arranged around.
- a guide shaft 6 is inserted, each in the upper guide sleeves 7 is anchored.
- a nut 39 is screwed on.
- a compression spring 39 or a rubber buffer is arranged between the top and lower guide sleeves 7, 19 arranged.
- the compression spring 39 presses the connecting sleeve in its rest position 5 and the connecting ring 4 so far apart that the nut 39 strikes on the underside of the lower guide sleeve 19; on the other hand there is compressed compression spring 39 the maximum distance by which the Guide shaft 6 can be pressed together.
- a spacer sleeve 8 which is a distance "s" shorter than that maximum distance from connecting sleeve 5 and connecting ring 4 from each other, see above that the length of the spacer sleeve 8 the relative stroke between the connecting sleeve 5th and connecting ring 4 specifies.
- a contact device 25 is arranged below one of the screwed onto the lower end of one of the guide shafts 6 Nut 39 is a contact device 25 is arranged. The contact device 25 is then through the downward guide shaft 6th addressed and emits a control signal when the Device the guide shaft 6 due to relative movement between the connecting sleeve 5 and connecting ring 4 moves down out of the guide sleeve 19 and the mother 39 triggers the contact device 25.
- FIG. 6 shows a top view of FIG. 1, omitting the Suction hose, in the direction of the longitudinal axis of the suction pipe on the upper one Part of the same, with a compressed air valve 28 with an integrated pressure sensor to supply the compressed air pipe 10, the ears 7 for the guide shafts 6 of the suction pipe 3, wherein screws 18 can also be seen which cover the ears 7 and the guide shafts 6 for holding the guide shafts 6 in the ears 7. Also closures 26 can be seen for attaching the Suction pipe 3 to the suction hose 24 leading to the suction excavator.
- the figure 7 shows the compressed air pipe 10 and the compressed air valve 28 from the view Y in Figure 6, wherein the suction pipe 3 on the outer jacket wall of the suction pipe 3 is guided down to the crown 11 and the air ring tube 2.
- the suction pipe 3 is placed on the ground with the pointed pipes 1 a relative movement between the suction pipe 3 and the upper part 5 and a pressing of the two parts 3 and 5 by the free distance s the spacer sleeve 8 from the underside of the upper guide sleeve 7.
- This moves the guide shaft 6 by this distance s out of the guide 19 until the Mother 39 hits the contact device 25 and triggers it.
- the signal of the Contact device 25 controls the compressed air valve 28, which thereby opens that compressed air through the compressed air tube 10 into the air ring tube 2 and from there the pointed tubes 1 is pressed into the ground.
- the mother 39 herself due to the spring force of the compression spring 39 again from the contact device triggers, the same drops and the compressed air valve 28 is closed.
- the compressed air streams are preferably pulsed with a predetermined and controllable or regulable pulse frequency pressed into the ground.
- a pressure sensor which the current pressure inside the compressed air tube 10. With hard soil, if so Compressed air flow within the ground meets increased resistance and this increases the pressure, the pulse frequency of the compressed air flow is increased and vice versa.
- FIGS. 1, 9 and 10 Another special feature of the device can be seen in FIGS. 1, 9 and 10 remove.
- the suction pipe 3 points directly in the area of its lower end Above the crown 11 slots 14, which are used to supply outside air serve the suction tube 3 bypassing the opening of the crown 11 during the suction process a laminar flow on the inner wall of the To generate suction tube 3 to keep it clean. by virtue of This laminar flow does not lead to material deposits inside the suction pipe due to air turbulence; these are caused by the bypass flow effectively suppressed.
- FIG. 8 shows a top view of the upper part 4, the connecting ring 4, of the Suction pipe 3 with the ears 19 for the passage of the guide shafts 6.
- the ears 19 for the guide shafts 6 can be seen at equal intervals arranged and welded to the connecting ring 4.
- Figure 9 shows a side view of a lower part 34 of the suction pipe 3 without Crown 11; the suction pipe 3 can be composed of several parts.
- the cylindrical part 34 has at its lower end within it Edge cutouts 35, preferably three such cutouts 35 in equidistant distances are distributed around the peripheral circumference of the part 34, what can be seen from Figure 10.
- the cutouts 35 run in one Cross-sectional plane of part 34.
- this laminar flow prevents Turbulence in the suction pipe 3 as it is the deposition of soil effectively prevented within the suction tube, so that this simple Measure the suction pipe 3 can be kept clean.
- the in turn has the consequence that the suction power does not decrease because of no turbulence and turbulence is present in the suction pipe 3.
- FIG. 10 shows a cross section through the lower part 34 of the suction pipe 3 perpendicular to the central axis 30 of the suction tube to show the position of the Air intake slots 14.
- FIGS 11, 11a and 11b are different side views and one Top view of the mounting pad 35 of the air pressure valve 28 shown.
- FIG. 12 shows a side view of one of the three guide shafts 6 with one Partial section for guiding the connecting ring 4 of the suction pipe 3 on the Connection sleeve 5 for holding the suction hose 24 going upwards. Visible within the partial section are the transverse bore 37 for the Passage of the screw 18 for holding the shaft 6 within the ear 7. 12 also shows the lower end 38 of the guide shaft 6, which goes through the ear 7 of the connecting sleeve 5 and with the screw 18 is held.
- the object of the invention is for use as a pneumatic suction pipe suitable for taking up soil.
- the subject of Invention suitable for use as a pneumatic suction pipe in suction excavators.
Abstract
Description
- Figur 1
- eine Seitenansicht eines Absaugrohres eines Saugbaggers mit einem am oberen Ende angeordneten Saugschlauch und einer am unteren Ende des Absaugrohres angeordneten gezackten Krone, mit einem Druckluftrohr zum Zuführen von Druckluft und mit einem Luftringrohr, welches um das Absaugrohr herum angeordnet ist und aus dem Spitzrohre über das Druckluftohr mit Druckluft versorgt werden, um das Erdreich zu lockern, sowie mit Schlitzen innerhalb des Absaugrohres zur Zufuhr von Luft von außerhalb in das Saugrohr in Form eines Bypasses unter Umgehung der Krone
- Figur 2
- eine Vergrößerung aus der Figur 1 zur Darstellung der Anschlusshülse für den nach oben abgehenden Saugschlauch, des Anschlussringes für das Absaugrohr und des zwischen beiden angeordneten Verbindungsbalges sowie des innerhalb des Anschlussringes sitzenden Absaugrohrs
- Figur 3
- eine teilweise geschnittene und gegenüber der Figur 1 vergrößerte Seitenansicht des unteren Teiles des Absaugrohrs mit Druckluftrohr, Luftringrohr, der Krone sowie einem an dem Luftringrohr angeordneten Spitzrohr
- Figur 4
- einen zur Längsachse des Absaugrohres senkrechten Schnitt durch das Absaugrohr im Bereich des unteren Endes desselben oberhalb des Luftringrohres zur Draufsicht auf das Luftringrohr, mit im Schnitt dargestellten Zugang des Druckluftrohres in das Luftringrohr und den angedeuteten, nach unten weisende Anschlüssen der Spitzrohre an das Luftringrohr, nämlich entlang der Schnittlinie A-A in Figur 3
- Figur 5
- eine Ansicht von unten auf das Luftringrohr ohne Absaugrohr senkrecht zur Mittelachse desselben mit der Darstellung der Anschlüsse der im Schnitt gezeigten Spitzrohre
- Figur 5a
- einen Querschnitt in einer waagrechten Ebene des Luftringrohres der Figur 5, mit dem Zugang des Luftdruckrohres und einem Anschluss für ein Spitzrohr
- Figur 6
- eine Draufsicht auf die Figur 1 in Richtung der Längsachse des Absaugrohres auf den oberen Teil desselben unter Weglassung des Saugschlauches, mit einem Ventil zur Versorgung des Druckluftrohres, den Ohren für die Führungswellen des Absaugrohres und den Verschlüssen zum Befestigen des Absaugrohres an den zum Saugbagger führenden Saugschlauch
- Figur 7
- das Druckluftrohr geführt an der Außenwand des Absaugrohres mit Ventil in der Ansicht Y der Figur 3
- Figur 8
- eine Draufsicht auf das Oberteil 4, Anschlussring 4, des Absaugrohres mit den Ohren für die Führungswellen
- Figur 9
- eine Seitenansicht des mittleren Teils des Absaugrohres, mit Ausschnitten am unteren Ende des die Krone tragenden Absaugrohres sowie mit Luftansaugschlitzen für die von außen in das Absaugrohr strömende Luft in Form eines Bypasses unter Umgehung der Krone
- Figur 10
- einen Querschnitt durch den mittleren Teils des Absaugrohres senkrecht zu seiner Längsachse zur Darstellung der Lage der Luftansaugschlitze
- Figuren 11,
- 11a, 11b verschiedene Seitenansichten und eine Draufsicht auf das Ventil am oberen Ende des Luftdruckrohres zur Steuerung der Druckluft innerhalb des Luftringrohres und
- Figur 12
- eine Seitenansicht einer der drei Führungswellen zur Führung des Anschlussringes des Absaugrohres an der Anschlusshülse des nach oben abgehenden Saugschlauches.
- 1
- Spitzrohr
- 2
- Luftringrohr
- 3
- Absaugrohr
- 4
- Anschlussring
- 5
- Anschlusshülse
- 6
- Führungswelle
- 7
- Ohr
- 8
- Distanzhülse
- 9
- Sonderscheibe
- 10
- Druckluftrohr
- 11
- Krone
- 12
- Unterlage
- 13
- Spannteil
- 14
- Schlitze
- 15
- Zylinderschraube
- 16
- Schlauchschelle
- 17
- Mutter
- 18
- Schraube
- 19
- Buchse, wie GAR-MAX-Buchse
- 20
- Sechskantmutter
- 21
- Schnellkupplung
- 22
- Schraube
- 23
- Anschlüsse für die Spitzrohre
- 24
- Saugschlauch
- 25
- Kontakteinrichtung
- 26
- exzentrischer Verschluss
- 27
- Gummischlauch
- 28
- Druckluftventil
- 29
- Zugang des Luftdruckrohres zum Luftringrohr
- 30
- Mittelachse des Absaugrohres
- 31
- Eintrittsöffnung der Druckluft in das Spitzrohr
- 32
- Austrittsöffnung der Druckluft aus dem Spitzrohr
- 33
- Spitze des Spitzrohres
- 34
- unterer Teil des Absaugrohres
- 35
- Ausschnitt am unteren Teil des Absaugrohres
- 36
- Befestigungsunterlage des Luftventils
- 37
- Querbohrung
- 38
- unteres Ende der Führungswelle
- 39
- Druckfeder
Claims (9)
- Pneumatisches Absaugrohr (3) zum pneumatischen Aufnehmen von Erdreich nach dem Dünnstromverfahren, für Saugvorrichtungen wie Saugbagger bei Erzeugung eines Saugluftstromes, mit einer am unteren, zum Erdreich gerichteten Ende des Absaugrohres (3) angeordneten Krone (11), wobei an das obere Ende des Absaugrohres (3) ein Saugschlauch (24) anschließbar ist,
dadurch gekennzeichnet, dass das Absaugrohr (3) oberhalb der Krone (11) Schlitze (14) aufweist zum Einströmen von Luft unter Umgehung der unteren Kronenöffnung in Funktion eines Bypasses zur Sicherstellung einer laminare Strömung im Absaugrohr (3). - Absaugrohr nach Anspruch 1, dadurch gekennzeichnet, dass die Schlitze (14) sich peripher um das Absaugrohr (3) herum erstrecken, wobei die Länge der Schlitze erheblich größer als die Breite der Schlitze ist, vorzugsweise in einem Verhältnis von Länge zu Breite wie 5:1 bis 20:1.
- Absaugrohr nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Schlitze (14) verschließbar und öffenbar sowie in ihrer Länge und Breite verstellbar sind.
- Absaugrohr nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Absaugrohr (3) aus mehreren Teilen zusammengesetzt ist und im Wesentlichen aus der Krone (11), einem Mittelstück (34) sowie einem darauf folgenden Anschlussring besteht und die Schlitze (14) sich zwischen der Krone (11) und dem Mittelstück (34) befinden.
- Absaugrohr nach Anspruch 4, dadurch gekennzeichnet, dass das Mittelstück (34) des Absaugrohres (3) an seinem unteren Ende Ausschnitte (35) aufweist, welche dazu dienen beim Verbinden des Mittelstücks (34) mit der Krone (11) die Schlitze (14) zu gestalten.
- Absaugrohr nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das Absaugrohr (3) eine Luftzuführeinrichtung (10) für Druckluft zur Krone (11) unter Erzeugung eines das Erdreich im Bereich der Krone (11) lockernden Druckluftstromes aufweist und die Luftzuführeinrichtung (10) wenigstens ein Spitzrohr (1) umfaßt, welches die Krone (11) nach unten in Richtung parallel zur Mittelachse (30) des Absaugrohres (3) überragt und zum Eindringen in das Erdreich und zum Einblasen eines Druckluftstromes innerhalb des Erdreichs in dasselbe unterhalb der Krone (11) parallel zu einer Querschnittsebene derselben geeignet ist zum Hochdrücken und Ablösen eines Erdkerns von in etwa der Größe oder kleiner des lichten Querschnitts der Krone (11) und Absaugen des Erdkerns durch das Absaugrohr (3).
- Absaugrohr nach Anspruch 6, dadurch gekennzeichnet, dass die Luftzuführeinrichtung (10) mehrere peripher um die Krone (11) herum verteilte Spitzrohre (1) umfaßt, welche die Krone (11) nach unten in Richtung parallel zur Mittelachse (30) des Absaugrohres (3) überragen und welche im Bereich ihrer unteren Enden je eine in der Querschnittsebene der Krone (11) radial nach innen zur Mittelachse (30) gerichtete Austrittsöffnung für die Druckluft aufweisen.
- Saugbagger mit einem pneumatischen Absaugrohr (3) zum pneumatischen Aufnehmen von Erdreich nach dem Dünnstromverfahren bei Erzeugung eines Saugluftstromes, mit einer am unteren, zum Erdreich gerichteten Ende des Absaugrohres (3) angeordneten Krone (11), wobei an das obere Ende des Absaugrohres (3) ein Saugschlauch (24) anschließbar ist, dadurch gekennzeichnet, dass das Absaugrohr (3) oberhalb der Krone (11) Schlitze (14) aufweist zum Einströmen von Luft unter Umgehung der unteren Kronenöffnung in Funktion eines Bypasses zur Sicherstellung einer laminare Strömung im Absaugrohr (3).
- Verwendung eines pneumatischen Absaugrohres (3) mit einer am unteren, zum Erdreich gerichteten Ende angeordneten Krone (11), wobei an das obere Ende des Absaugrohres (3) ein Saugschlauch (24) anschließbar ist, und das Absaugrohr (3) oberhalb der Krone (11) Schlitze (11) aufweist zum Einströmen von Luft unter Umgehung der unteren Kronenöffnung in Funktion eines Bypasses zur Sicherstellung einer laminaren Strömung im Absaugrohr (23) zum Einsatz für Saugbagger oder Saugvorrichtungen unter pneumatischem Aufnehmen von Erdreich nach dem Dünnstromverfahren bei Erzeugung eines Saugluftstromes.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10315335 | 2003-04-03 | ||
DE10315335 | 2003-04-03 | ||
DE10318720 | 2003-04-25 | ||
DE10318720 | 2003-04-25 | ||
DE10320238A DE10320238A1 (de) | 2003-04-03 | 2003-05-07 | Verfahren zum pneumatischen Aufnehmen von Erdreich für Saugvorrichtungen und Absaugrohr hierzu |
DE10320238 | 2003-05-07 | ||
DE20308282U DE20308282U1 (de) | 2003-04-03 | 2003-05-25 | Pneumatisches Absaugrohr zum Aufnehmen von Erdreich und Saugbagger mit einem solchen Absaugrohr |
DE20308282U | 2003-05-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1464762A1 true EP1464762A1 (de) | 2004-10-06 |
EP1464762B1 EP1464762B1 (de) | 2009-12-02 |
Family
ID=32854352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040006314 Expired - Lifetime EP1464762B1 (de) | 2003-04-03 | 2004-03-17 | Pneumatisches Absaugrohr zum Aufnehmen von Erdreich und Saugbagger mit einem solchen Absaugrohr |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1464762B1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2322727A1 (de) | 2009-11-13 | 2011-05-18 | Alfons Braun | Absaugvorrichtung für einen Saugbagger zum Aufnehmen und Abscheiden von Sauggut, wie Erdreich oder Schlämmen, sowie damit ausgerüsteter Saugbagger |
DE202010009489U1 (de) | 2010-06-24 | 2011-10-13 | Alfons Braun | Saugbagger mit Hydrosaugrohr |
FR3006276A1 (fr) * | 2013-06-03 | 2014-12-05 | Sncf | Materiel ferroviaire adapte pour realiser des travaux de genie civil |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58222228A (ja) * | 1982-06-17 | 1983-12-23 | Hakko Co Ltd | 土砂の真空排土装置 |
EP0368129A1 (de) * | 1988-11-05 | 1990-05-16 | VMB VESTA MASCHINENBAU GMBH & CO. KG | Saugbagger |
EP0371464A1 (de) * | 1988-11-30 | 1990-06-06 | Eisai Co., Ltd. | Pneumatischer Förderer für körniges Material und Saugdüse für die Verwendung in einem solchen Förderer |
DE19645472A1 (de) * | 1996-10-26 | 1998-04-30 | I S I S Ingenieur Seminar Fuer | Verfahren und Vorrichtung zur Herstellung von standfesten Schlitzen im Erdreich, Lockergestein oder dergleichen |
DE29902561U1 (de) * | 1999-02-12 | 1999-05-06 | Reschwitzer Saugbagger Produkt | Luftlanzenbatterie |
US6470605B1 (en) * | 1999-11-16 | 2002-10-29 | John William Gilman | Earth reduction tool |
-
2004
- 2004-03-17 EP EP20040006314 patent/EP1464762B1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58222228A (ja) * | 1982-06-17 | 1983-12-23 | Hakko Co Ltd | 土砂の真空排土装置 |
EP0368129A1 (de) * | 1988-11-05 | 1990-05-16 | VMB VESTA MASCHINENBAU GMBH & CO. KG | Saugbagger |
EP0371464A1 (de) * | 1988-11-30 | 1990-06-06 | Eisai Co., Ltd. | Pneumatischer Förderer für körniges Material und Saugdüse für die Verwendung in einem solchen Förderer |
DE19645472A1 (de) * | 1996-10-26 | 1998-04-30 | I S I S Ingenieur Seminar Fuer | Verfahren und Vorrichtung zur Herstellung von standfesten Schlitzen im Erdreich, Lockergestein oder dergleichen |
DE29902561U1 (de) * | 1999-02-12 | 1999-05-06 | Reschwitzer Saugbagger Produkt | Luftlanzenbatterie |
US6470605B1 (en) * | 1999-11-16 | 2002-10-29 | John William Gilman | Earth reduction tool |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 0080, no. 76 (M - 288) 9 April 1984 (1984-04-09) * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2322727A1 (de) | 2009-11-13 | 2011-05-18 | Alfons Braun | Absaugvorrichtung für einen Saugbagger zum Aufnehmen und Abscheiden von Sauggut, wie Erdreich oder Schlämmen, sowie damit ausgerüsteter Saugbagger |
DE102009052833A1 (de) | 2009-11-13 | 2011-05-19 | Alfons Braun | Absaugvorrichtung für einen Saugbagger zum Aufnehmen und Abscheiden von Sauggut, wie Erdreich oder Schlämmen, sowie damit ausgerüsteter Saugbagger |
DE202010009489U1 (de) | 2010-06-24 | 2011-10-13 | Alfons Braun | Saugbagger mit Hydrosaugrohr |
FR3006276A1 (fr) * | 2013-06-03 | 2014-12-05 | Sncf | Materiel ferroviaire adapte pour realiser des travaux de genie civil |
Also Published As
Publication number | Publication date |
---|---|
EP1464762B1 (de) | 2009-12-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH632444A5 (de) | Saugvorsatz, insbesondere zum einsatz mit bohrgeraeten. | |
EP0368129A1 (de) | Saugbagger | |
DE2243635B2 (de) | Verfahren und Vorrichtung zum Abfuhren des Bohrstaubes beim Gesteinsbohren mit Spulluft | |
EP3420874A1 (de) | Filterabreinigung | |
DE2238992C2 (de) | Vorrichtung zum Absaugen von beim Schweißen entstehenden Verunreinigungen | |
EP1464762A1 (de) | Pneumatisches Absaugrohr zum Aufnehmen von Erdreich und Saugbagger mit einem solchen Absaugrohr | |
EP1618258B1 (de) | Verfahren zum pneumatischen aufnehmen von erdreich für saugvorrichtungen und absaugrohr hierzu sowie verwendung eines derartigen absaugrohres | |
DD278079A1 (de) | Bohrmehlabsaugvorrichtung fuer handbohrmaschinen | |
EP1733785B1 (de) | Vorrichtung und Set zum Beimischen eines pulverförmigen Feststoffes oder einer Flüssigkeit zu einer Flüssigkeit | |
CH673665A5 (de) | ||
DE10320238A1 (de) | Verfahren zum pneumatischen Aufnehmen von Erdreich für Saugvorrichtungen und Absaugrohr hierzu | |
DE4038941C2 (de) | Vorrichtung zur Absaugung von Bohrklein für handgeführte Bohr- und Meisselgeräte | |
DE19855846A1 (de) | Erdarbeitungsvorrichtung | |
DE19543751A1 (de) | Förderleitung für Beton | |
DE102006023747A1 (de) | Pumpe zur Reinigung eines Bohrloches | |
DE202006008092U1 (de) | Pumpe zur Reinigung eines Bohrloches | |
DE3222468C2 (de) | Gülleverteiler | |
DE10321425B4 (de) | Kanalreinigungsgerät | |
DE19714026C2 (de) | Anordnung zum Abfangen von Aerosolen od. dgl. aus den Schachtöffnungen von Kanalisationsschächten | |
DE2525905A1 (de) | Bohrkopf mit knopfartigen schneidelementen fuer gesteinsbohrungen in verbindung mit einem untertage-bohrhammer mit seitlicher blasspuelung | |
DE2138847A1 (de) | Melkmaschinenpulsator | |
DE19913713C2 (de) | Steckanschluß, insbesondere für Absauggeräte | |
DE102021110943A1 (de) | Baugruppe mit einem schwenkantrieb und einem schnellwechsler sowie arbeitsmaschine mit einer solchen baugruppe | |
EP3879193A1 (de) | Raumluftreiniger | |
DE1210392B (de) | Wasserabscheider, insbesondere fuer Druckluftgeraete |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
17P | Request for examination filed |
Effective date: 20041119 |
|
AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
17Q | First examination report despatched |
Effective date: 20080124 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REF | Corresponds to: |
Ref document number: 502004010436 Country of ref document: DE Date of ref document: 20100114 Kind code of ref document: P |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: T3 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20100325 Year of fee payment: 7 Ref country code: ES Payment date: 20100324 Year of fee payment: 7 Ref country code: LU Payment date: 20100324 Year of fee payment: 7 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2339659 Country of ref document: ES Kind code of ref document: T3 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20100331 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 20100322 Year of fee payment: 7 Ref country code: GB Payment date: 20100324 Year of fee payment: 7 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20100302 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20100402 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 20100323 Year of fee payment: 7 Ref country code: DE Payment date: 20100309 Year of fee payment: 7 Ref country code: IT Payment date: 20100327 Year of fee payment: 7 Ref country code: NL Payment date: 20100324 Year of fee payment: 7 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20100303 Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100331 |
|
26N | No opposition filed |
Effective date: 20100903 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 |
|
BERE | Be: lapsed |
Owner name: WALTHER, FRANK Effective date: 20110331 Owner name: BRAUN, ALFONS Effective date: 20110331 Owner name: WALTHER, ROLF Effective date: 20110331 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: V1 Effective date: 20111001 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20110317 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110317 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20111130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110331 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110331 Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20111001 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20111001 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110331 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 502004010436 Country of ref document: DE Effective date: 20111001 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110317 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110317 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20120510 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110318 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20100603 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20091202 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110317 |