EP3478587B1 - Device for producing tubular containers - Google Patents

Description

Technical area

The invention relates to a device for producing a tubular container which can be filled with granular, powdery, pourable materials, the container preferably consisting of a web made of geotextile material.

State of the art

Hoses made of geotextile material, which are preferably filled with sand, but also with gravel, crushed stone, earth or similar building materials, are particularly useful for building walls, e.g. B. for protective structures such as dykes, noise walls, etc., can be used. The geotextile material has sufficient strength to hold the granular materials in a matrix, wherein the geotextile material can be water-permeable and water-impermeable. Hoses manufactured in this way can advantageously be used in dam construction, in which case they are used, in addition to the construction of permanent structures, also for the repair of dams and the erection of temporary structures. A dam constructed with the hoses has a high level of stability, and the hoses in particular can cope with flooding of the dam.

So is from the DE 20 2010 008 093 U1 a device for filling hoses made of geotextile material is known. The device described in the prior art comprises a tubular housing which interacts with a winding device on which the geotextile material is held. The pourable material is then introduced through the tubular housing in a continuous process, so that a filled tube is created as a result of the unwinding of the geotextile material.

Such a device, known according to the prior art, has disadvantages in that it is very expensive to build and is only suitable for the mechanical laying of filled geotextile tubes. For the backfilling process, the known device of a complex infrastructure of vehicles and conveyors, in order to ensure a continuous filling and laying process of the hoses. Often, however, it is required that hoses must be created quickly and without major preparation of an infrastructure in order to achieve damming or containment in this way, which is to be erected directly on site.

WO 2010/142298 A1 discloses a device for producing a tubular, elongated bag which can be filled with sand, for example, the device consisting of a movable frame with at least one developable geotextile sheet, the frame comprising a filler trough with an outlet pipe for the material, and the filler trough a has a screw conveyor acting against the direction of movement of the frame for the filled material, which is enveloping the material at the rear end of the filling trough in the area of the outlet pipe by means of the unwindable geotextile sheet when the frame is advanced to form a hose.

Presentation of the invention task

The invention thus poses the problem of providing a device for producing a tubular container which can be used immediately and quickly, the device being designed to be lighter and less expensive in terms of construction and transport volume.

solution

According to the invention, the problem is solved with the features of the main claim. Advantageous embodiments of the invention emerge from the subclaims.

The advantages achieved with the invention are that the device according to the invention is easy and simple to handle, in that it can be used quickly and easily on site where, for example, a filled geotextile tube is to be created. With the device there is now the possibility that by filling the movable frame of the device in connection with the stored geotextile material, a tubular container can be created quickly and easily. The device is pulled here by its own drive or by a tractor, it also being possible for the material to be simply filled into the filling trough with a bucket wheel loader. As the device moves, the propulsion forms the filled hose, which is deposited by the device in such a way that, on the one hand, a Geotextile sheet from below and a geotextile sheet from above form the covered tube for the material. The closure of the geotextile sheet through the edge areas is preferably done here the overlapping of these is carried out around the first geotextile sheet, whereby the bond below the hose is created by the weight of the material lying on it.

According to the invention it is proposed for this purpose that the device consists of a movable frame with at least one unwindable geotextile sheet, the frame comprising a filling trough with an outlet funnel for the material, and the filling trough via a conveying device acting against the direction of movement of the frame for the filled Has material, which at the rear end of the filling trough in the area of the discharge funnel by means of the unwindable geotextile sheet surrounds the material to form a hose when the frame is advanced. According to a first embodiment, the conveying device can comprise a further unwindable geotextile web at the front end of the filling trough. This is threaded into the filler trough as the frame is advanced into the filler trough and guided in it. As a result of the movement of the frame, the material placed on it or filled in is discharged from the frame against the propulsion movement.

The conveying device can, however, also comprise an endless belt arranged on the bottom of the trough or a cylinder arranged in the filling trough, the endless belt moving the material lying on it in relative movement to the frame, which is still moved forward, the material being discharged from the frame against the propulsion movement. A cylinder located in the hopper will then push the material out of the frame against the propulsion movement.

The device, and here in particular the filling trough with two geotextile webs on the frame, has a threading area at its front end for the first, unwindable geotextile web, which is fixed with its free end at the starting point of the hose laying before the device is put into operation. When the frame is moved, the fixed geotextile sheet then pulls itself through the inner filling trough area, whereby it unfolds either on the ground or in such a way that the geotextile on the walls of the trough applies and spreads out when the geotextile sheet is kept in a folded state, for example. In this case, a tensioning element in the form of a network can be integrated between the edges of the web, which ensures sufficient dimensional stability of the round shape of the hose in the diameter axis of the hose. The geotextile sheet is guided on the trough floor during the advance of the frame and is more or less stationary in relation to the laying environment, because the frame is pulled away from under the geotextile sheet with the material, so that a discharge occurs at the end of the frame. At the rear end of the filling trough, the threading area for the second unwindable geotextile web is provided, which envelops the material filled in on the first unwound geotextile web during advance to form a tube.

According to a particularly advantageous embodiment, the material on the first geotextile web in the discharge funnel can be shaped into a round cross section as a result of the advance, that is to say the continuous process. The discharge funnel cooperates with a metering device in the form of a slide, which specifies the diameter size of the hose to be formed, in which excess material is pushed back into the filling trough. The relevant widths of the geotextile sheets are then used to lay different hose diameters. When the frame is advanced, the edge areas of the second unwound geotextile web are guided on the outside of the funnel walls of the discharge funnel in such a way that the edge areas overlap under the unwound geotextile web with the material to form the filled tube. Thus, it goes without saying that the material introduced into the filling trough is conveyed on the first geotextile sheet, the material being shaped into a round shape when exiting the filling trough in the transition to the discharge funnel, the second geotextile sheet then being unwound over the discharge funnel accordingly, which, due to the design of the discharge funnel, wraps around the shaped material area in such a way that the edges of the second geotextile sheet overlap below the discharge funnel and are caused by the weight of the Hose are held together.

In a further development of the invention, the front threading area essentially consists of an unwinding axis for the geotextile sheet and a vertical or horizontal slot on the front side of the filling trough. Thus, the geotextile web can be introduced into the trough area through this slot, whereby a folded geotextile web, which is stored unrollable on the unrolling axis, can be unfolded in such a way that one half area of the web attaches to one wall and the other half area to the other wall the filling recess lays and is guided. For the folded geotextile sheet, the vertical slot in the front wall of the filling trough is intended for this purpose. The pourable material is then applied to the unfolded geotextile sheet, which is then conveyed to the discharge area as a result of the movement of the frame on the first geotextile sheet.

According to a particularly advantageous further development, the rear threading area consists of an unrolling axis for the second geotextile sheet arranged horizontally above the discharge funnel and a guide device arranged on the outer wall of the discharge funnel for the edges of the second geotextile sheet. The unwinding process takes place in such a way that the edges pull along the outer walls of the discharge funnel during the movement process of the frame in such a way that the guide device comprises two oppositely curved paths on the outer wall of the discharge funnel for discharge, which run towards each other below the funnel outlet for discharge Allow superimposed layers of the two edges of the second geotextile.

According to a particularly advantageous embodiment of the invention, the web can be designed as a backdrop for receiving the web edge. There is also the possibility that the web consists of roll holders in which the web edge is held in sections. Here, the edges of the geotextile webs can be equipped with so-called stabilizers such as guide strips, line rods or the like for guidance in the paths of the guide device are edged here in folded pockets on the edge of the web. Because of this training, there is a bead on the edge material, which can be guided here in the scenes but also in the roll holders.

According to a particularly advantageous further development, as already explained in more detail above, the first geotextile web is provided with a tensioning element, which stretches between the edges of the geotextile web when it is filled. When the frame is moved, the geotextile sheet pulls itself into the inner filling trough area, whereby it unfolds either on the ground or in such a way that the geotextile lies against the walls of the trough and spreads out when the geotextile sheet is held in a folded state, for example. In this case, the tensioning element can be integrated in the form of a network between the edges of the web, which ensures sufficient dimensional stability of the round shape of the hose in the diameter axis of the laid filled hose.

In a further development of the invention, the frame is provided with its own drive. This can, for example, comprise a crawler track, which can be arranged with a universal joint or ball joint below the frame. Because of this design, the maneuverability of the device is guaranteed so that the hose can be laid in any direction. Another design of the movable frame can be designed such that the frame is designed as a trailer that can interact with a tractor. Here, the frame has an axis arranged with balloon wheels below the discharge funnel. The structure of the device makes it possible that the device can also be moved on hoses that have already been laid, so that corresponding hoses can be laid one above the other here.

Brief description of the drawings

• Figur 1 eine perspektivische Ansicht der erfindungsgemäßen Vorrichtung,
• Figur 2 eine Seitenansicht der Vorrichtung gemäß der Figur 1,
• Figur 3 eine Draufsicht der Vorrichtung gemäß der Figur 1,
• Figur 4 eine perspektivische Rückansicht auf den Auslauftrichter der Vorrichtung gemäß der Figur 1,
• Figur 5 eine Einzelansicht eines Rollenhalters an der Außenwand des Auslauftrichters,
• Figur 6 eine Einzelansicht der zweiten Geotextilbahn mit überlappenden Bereich, und
• Figur 7 eine weitere Einzelansicht der ersten Geotextilbahn in Zusammenwirkung mit der zweiten Geotextilbahn.

An embodiment of the invention is shown purely schematically in the drawings and is described in more detail below. It shows:

• Figure 1 a perspective view of the device according to the invention,
• Figure 2 a side view of the device according to FIG Figure 1 ,
• Figure 3 a plan view of the device according to FIG Figure 1 ,
• Figure 4 a perspective rear view of the discharge funnel of the device according to FIG Figure 1 ,
• Figure 5 a single view of a roll holder on the outer wall of the discharge funnel,
• Figure 6 a single view of the second geotextile sheet with an overlapping area, and
• Figure 7 a further detail view of the first geotextile sheet in cooperation with the second geotextile sheet.

Embodiments

The Figures 1 , 2 and 3 show an embodiment of a device 1 for producing a tubular container 2, as shown in FIG Figure 2 is indicated. The container 2 consists of a granular, powdery, pourable or flowable material, which in the example shown is covered by webs 3 and 4 made of geotextile material.

As in particular from the synopsis of Figures 1 and 2 It can be seen that the device 1 consists of a movable frame 5 with a filling trough 6 for the material. The filling trough 6 has an outlet funnel 7 for the material at the rear end, with a first threading area 8 for a first unwindable geotextile web 3 being provided at the front end, which is guided on the trough bottom 9 when the frame 5 is advanced.

At the rear end of the filling trough 6, a second threading area is provided for a second unwindable geotextile web 4, which envelops the material filled in on the first unwound geotextile web 3 during advance to form a tube 10, as shown in FIG Figure 2 in side view. As a result of the advance in the direction of the arrow 11, the material on the first geotextile web 3 in the discharge funnel 7 is shaped into a round cross-section, with the edge areas 12 and 13 of the second unwound geotextile web 4 on the outside of the funnel walls 14 and 15 of the discharge funnel as the frame 5 advances 7 are guided in such a way that the edge regions 12 and 13 overlapping as in the Figure 6 Place shown under the first unwound geotextile web 3 with the material to form the filled tube 10 according to FIG Figure 2 and the Figure 7 . According to a particularly advantageous embodiment, the material on the first geotextile web 3 in the outlet funnel 7 can be shaped into a round cross section as a result of the advance, that is to say the continuous process. The discharge funnel 7 interacts with a metering device 7.1 in the form of a slide, which specifies the diameter size of the hose 10 to be formed, in which excess material is pushed back into the filling recess 6. The relevant widths of the geotextile webs 4 are then used to lay different hose diameters.

As in particular from the Figure 1 and 3 As can be seen, the front threading area consists essentially of an unwinding axis 16 for the geotextile sheet 3 and a vertical or horizontal slot, not shown in detail, on the end face of the filling trough 6. As already stated, the geotextile sheet 3 can be introduced in this way that it is held in the folded state on the unwinding axis 16. This means that when it is inserted into the filling trough 6, the geotextile sheet 3 is unfolded in such a way that angles or legs are provided in the filling trough 6 that unfold the folded geotextile sheet 3 in such a way that the respective partial areas of the folded geotextile sheet 3 against the wall areas of the filling trough 6, with a tensioning element 19 in the form of a network spanning between the edges 17 and 18 of the first geotextile web 3, as shown in FIG Figure 7 becomes clear.

If the material is then filled onto the unfolded geotextile sheet 3 through the net, the geotextile sheet 3 lies in the filling trough 6. If the frame 5 is now moved in the direction of the arrow 11, the material filled on the geotextile sheet 3 moves in the direction of the discharge funnel 7 on which the rear threading device is located. This consists of an unwinding axis 20 for the second geotextile web 4, which is arranged horizontally above the discharge funnel 7, and one on the Guide device 21 arranged on the outer wall of the discharge funnel 7 for the edges or edge regions 12 and 13 of the second geotextile sheet 4.

The guide device 21 shown in FIG Figures 4 and 5 comprises in this case two opposite on the outer wall of the discharge funnel 7 for discharge curved, converging tracks 22 and 23, which are arranged below the funnel outlet towards the discharge, one above the other, as shown in FIG Figure 2 and 4th is recognizable. The guideways 22 and 23 are shown in dashed lines. The webs 22 and 23 can be designed, for example, as a backdrop for receiving the web edge. In the embodiment according to Figure 4 and 5 , which is described here, the tracks 22 and 23 consist of roller holders 24, as shown in the detailed view in FIG Figure 5 are shown in perspective view. The roller holder 24 consists of an angle profile 25 on which a roller 26 is arranged on the inside. In order to ensure that the edge areas 12 and 13 are guided in particular in the roll holder 24, the edges of the geotextile webs 3, 4 are equipped with stabilizers 27 for guidance in the webs 22 and 23 of the guide device 21, these being for example guide bands, guide lines or flexible ones as shown Can be management staff.

The Figures 6 and 7th again illustrate the formation of the second geotextile sheet 4 with the lower overlap of the edge areas 12 and 13, the Figure 7 illustrates how the position of the two geotextile webs 3 and 4 appears when they are joined together when they are filled with material. It becomes clear here that the tensioning element 19, designed as a network, spans in the diameter axis, so that there is sufficient internal stability in the round cross-section of the hose and is established during the molding process.

According to a particularly advantageous embodiment of the invention, shown in the Figures 1 and 2 the frame 5 is provided with a drive 28, which is designed here in the embodiment as a caterpillar. The caterpillar is here with a cardan or Ball joint connected to the underside of the frame 5, so that the crawler undercarriage below the frame 5 has sufficient freedom of movement to ensure cross-country mobility. The caterpillar chassis is provided with a drive so that the direction in which the hose 10 is to be laid here can be determined by controlling the individual caterpillar chains. Another embodiment can also consist in that the frame 5 is designed as a trailer that interacts with a tractor, which is not shown in detail here. Because it would also be conceivable that the frame 5 can be moved with a tractor. In a further development of the frame 5, this has an axle 30 equipped with balloon wheels 29 below the discharge funnel 7, so that in particular hoses 10 can also be superimposed with the device 1, and due to the balloon wheels 29 a minimal load is exerted on the hoses 10 that have already been laid.

List of reference symbols

1.

contraption

2.

tubular container

3.

Conveyor / first geotextile sheet

4th

second geotextile sheet

5.

movable frame

6th

Filling recess

7th

Discharge funnel,

7.1

Dosing device

8th.

Threading area

9.

Trough bottom

10.

tube

11.

Arrow direction

12.

Border areas

13.

Border areas

14th

Funnel wall

15th

Funnel wall

16.

Unwind axis first track

17th

edge

18th

edge

19th

Clamping element

20th

Unwind axis

21st

Guide device

22nd

train

23.

train

24.

Roll holders

25th

Angle profile

26th

role

27.

Stabilizers

28.

drive

29

Balloon wheels

30th

axis

Claims (12)

1. A device (1) for producing a tubular container (2) that can be filled with granular, pulverulent, pourable and free-flowing materials,
   wherein the container (2) consists of webs made of geotextile material,
   wherein the device (1) comprises a displaceable frame (5) with at least one unwindable geotextile web (4),
   wherein the frame (5) comprises a filling trough (6) with an outlet hopper (7) for the material,
   wherein the filling trough (6) has a conveying device for the filled material, with said conveying device acting opposite to a moving direction of the frame (5), and
   wherein the material can during the advance of the frame (5) be surrounded by means of the unwindable geotextile web (4) in an enveloping manner at a rear end of the filling trough (6) in the region of the outlet hopper (7) in order to form a tube (10),
   characterized in that
   the conveying device comprises an additional unwindable geotextile web (3) at a front end of the filling trough (6), with said additional geotextile web being guided in the filling trough (6) during the advance of the frame (5) in such a way that the additional geotextile web (3) can respectively discharge material lying thereon or filled material from the frame (5) opposite to the advance motion.
2. The device according to claim 1, characterized in that the conveying device comprises an endless belt arranged on the trough bottom or a cylinder arranged in the filling trough (6), with said endless belt or cylinder respectively discharging the material from the frame (2) opposite to the advance motion.
3. The device according to one of claims 1 to 2, characterized in that the material on the geotextile web (3) can as a result of the advance be formed into a round cross section in the outlet hopper (7) by means of a metering device (7.1) on the outlet hopper (7), and in that the edge regions (12) and (13) of the unwound geotextile web (4) are during the advance of the frame (5) guided on the outside of the hopper walls (14) and (15) of the outlet hopper (7) in such a way that the edge regions (14) and (15) place themselves underneath the first unwound geotextile web (3) with the material in an overlapping manner in order to form the filled tube (10).
4. The device according to one of claims 1 to 3, characterized in that the geotextile web (3) cooperates with a front threading region, which essentially consists of an unwinding axle (16) for the geotextile web (3) and a vertically or horizontally extending slot on the end face of the filling trough (6), as well as a guiding device for the edges (17) and (18) of the geotextile web (3), with said guiding device being arranged on the inner walls of the filling trough (6).
5. The device according to one of claims 1 to 4, characterized in that the geotextile web (4) cooperates with a rear threading region, which consists of an unwinding axle (20) for the geotextile web (4) that is arranged horizontally above the outlet hopper (7), as well as a guiding device (21) for the edges (12) and (13) of the geotextile web (4), with said guiding device being arranged on the outer wall of the outlet hopper (7).
6. The device according to one of claims 1 to 5, characterized in that the guiding device (21) comprises two opposite tracks (22) and (23), which are bent toward the discharge and extend toward one another, on the outer wall of the outlet hopper (7), with said tracks extending on top of one another toward the discharge underneath the hopper outlet.
7. The device according to one of claims 1 to 6, characterized in that the tracks (22, 23) are realized in the form of cranks or roll holders (24) for receiving the web edge.
8. The device according to one of claims 1 to 7, characterized in that the edges of the geotextile webs (3) and (4) are equipped with stabilizers (27) such as guide belts, guide cords, guide rods or the like in order to be guided in the tracks (22, 23) of the guiding devices.
9. The device according to one of claims 1 to 8, characterized in that the geotextile web (3) is provided with a tension element (19), which tensions itself between the edges (17) and (18) of the geotextile web (3) during the filling process.
10. The device according to one of claims 1 to 8, characterized in that the frame (5) is provided with its own drive (28).
11. The device according to one of claims 1 to 8, characterized in that the frame (5) is realized in the form of a trailer that cooperates with a tractor.
12. The device according to one of claims 1 to 10, characterized in that the frame (5) has an axle (30), which is arranged underneath the outlet hopper (7) with balloon wheels (29) or crawlers.

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