SHAFT ARRANGEMENT

Description

[0001] The invention relates to a shaft arrangement with the features of the preamble of claim 1, as is known in principle from the generic document EP 14 938 75 A2.

[0002] Such shaft arrangements for existing shaft systems are already known from the prior art.

[0003] In many cities and towns, the existing, sometimes very old, sewer systems need to be renewed or renovated over time. In particular, the manholes, which are generally made of mineral materials such as concrete and provide the necessary access to the sewer system, require regular renewal or renovation. Due to the long service life of these often very old materials, corrosion occurs, especially inside the manholes, which can compromise their safe operation.

[0004] Over time, various methods for renewing or renovating such shafts have become established here.

[0005] For example, German patent DE19643175 A1 describes a method for rehabilitating shafts in water supply and wastewater pipelines, as well as in transport lines for chemicals, fuels, heat, or cold. The method involves excavating the shaft to be rehabilitated down to the point where a constant cross-section begins. This cross-section and the shaft base are then lined with a new shaft liner. Any existing surface covering, such as the road surface including the shaft cover, is removed. Any leveling rings are also removed, as is the shaft neck, also known as the cone. A thin-walled shaft liner with an integrated channel profile is lowered into the now cleaned old shaft and fixed at the correct height. Before the cavity or annular gap can be filled, the pipe connections of the incoming and outgoing lines must be installed and sealed.The shaft liner is preferably made of glass fiber reinforced plastic. Cement mortar is generally poured into the annular gap between the new shaft liner and the existing shaft to ensure the stability and strength of this new shaft arrangement.

[0006] EP 1493875 A2 discloses a method for rehabilitating a manhole with a manhole lining made of plastic, wherein the manhole is adjusted with respect to at least one sewer and the manhole lining is aligned with respect to an area of ​​the sewer extending through the manhole and connected to it, wherein the sewer is laid through the manhole and is provided in an area enclosed by the manhole with an open surface projecting into an interior enclosed by the manhole, wherein the sewer is formed in the area of ​​the manhole via a channel and the manhole lining is aligned with respect to the channel and connected to it.A further disclosure is a device for the rehabilitation of a shaft system into which at least one sewer line flows, with a shaft lining made of plastic, wherein the sewer line in the area of ​​the shaft system is designed as a channel which extends with at least one of its tubular ends through a hole in the direction of the sewer line which is provided in a shaft wall bounding the shaft system, and the channel is provided as a basis for an alignment of the shaft lining.

[0007] Furthermore, US Patent 2018 / 0282978 A1 discloses a method for manufacturing a molded part, in particular a manhole bottom lining for a sewer manhole, with a base body that preferably has a walking surface and at least one pipe connection opening, comprising the following process steps: a) creating a negative mold of the molded part; b) at least partially encasing the negative mold with a flexible film, in particular made of silicone or another elastic material; and c) creating the base body by molding a material in a liquid or paste state onto the negative mold. The material being molded is a hardening material, in particular concrete, or the material being molded is a polymer, in particular a polyurea, and is preferably sprayed on. The polymer being molded is sprayed, cast, applied, laminated, or troweled on.

[0008] A disadvantage of these methods is that the time, assembly and material costs are very high.

[0009] Another disadvantage is that removing the old shaft up to the shaft ring, which has a constant cross-section, is very time-consuming and requires a lot of material.

[0010] Another disadvantage is that the new shaft liner with the attached channel profile has to be designed, manufactured and installed in a very complex manner, since every old shaft has a different geometry and, in particular, different channel profiles.

[0011] This is where the invention comes in, which aims to provide a shaft arrangement for an existing shaft system for receiving, conveying and storing a fluid, which overcomes the disadvantages of the prior art, which can be manufactured economically and cost-effectively, which avoids the costly removal of existing existing shaft components and which can be used for all currently existing existing shaft systems.

[0012] Surprisingly, it has been shown that a shaft arrangement for an existing shaft system of a system for receiving, conveying and storing a fluid, wherein the existing shaft system has at least one existing shaft base with at least one existing shaft floor, as well as at least one existing shaft wall enclosing the existing shaft floor, wherein the existing shaft base has at least one channel connected to at least one existing shaft wall, wherein the existing shaft floor of the existing shaft system is spaced apart via at least one adapter arrangement and at least one shaft base of a new shaft system, wherein the at least one adapter arrangement and the at least one shaft base are in a sealing operative connection with at least one existing shaft floor and / or with at least one existing shaft wall of the existing shaft base, is characterized by the following:that at least one adapter arrangement is spaced apart from at least one wall of the existing shaft below via at least one sealing device. With this shaft arrangement, it is now possible for the first time to rehabilitate existing shafts by rehabilitating the existing shaft floor without shaft rings. Furthermore, it is possible to subsequently rehabilitate the existing shaft rings by constructing additional new shaft components, modularly based on the adapter.

[0013] Furthermore, the individualization of this shaft arrangement, which is precisely scaled to each existing shaft system before installation, makes it possible to carry out shaft rehabilitation projects economically and cost-effectively. Another advantage of the new shaft arrangement is that the time-consuming removal of existing shaft components is no longer necessary. A further benefit of this arrangement is that the existing shaft system does not need to be completely dismantled, and the existing shaft base and other components remain in place for rehabilitation with the new shaft system.

[0014] The shaft arrangement is further characterized by the fact that the old shaft base of the existing shaft system is spaced apart from at least one shaft middle section and / or at least one shaft top section of a new shaft system, which have at least one sealing and / or pluggable and / or lockable connection, via at least one adapter arrangement and at least one shaft lower section. This makes it possible not only to rehabilitate existing shaft systems economically and cost-effectively, but also to establish a quick and tight connection between the existing shaft system and the new shaft system at any time.

[0015] Furthermore, the shaft arrangement is designed such that at least one adapter arrangement and at least one shaft base are in a sealing connection with the existing shaft base. The function and design of the adapter arrangement of the new shaft arrangement are advantageously always such that the existing shaft base can be refurbished and integrated into the new shaft system.

[0016] Another advantage of this shaft arrangement is that the at least one adapter assembly of the shaft arrangement, as well as the at least one shaft base, is effectively sealed against at least one existing shaft floor and / or at least one existing shaft wall of the existing shaft base. Based on its universal, customizable geometry and construction, the adapter assembly of the shaft arrangement thus makes it possible to rehabilitate existing shaft systems cost-effectively, economically, and with a watertight seal in all areas, anywhere and at any time.

[0017] The shaft arrangement is further designed such that at least one adapter arrangement is spaced apart from at least one existing shaft wall of the existing shaft base via at least one sealing device. Advantageously, this allows the adapter arrangement of the shaft arrangement to be adapted to the geometric requirements and conditions of almost any existing shaft system without affecting its installation in the old shaft system, and in particular, ensures the required tightness of the existing shaft system after its rehabilitation by a new shaft system.

[0018] It has also proven advantageous in the shaft arrangement that at least one adapter assembly has at least one sealing device. This pre-assembled sealing device is configured in such a way that the shaft arrangement can be easily inserted into all existing old shaft systems and installed there in a sealing manner.

[0019] Furthermore, the shaft arrangement is designed such that at least one adapter arrangement has at least one receptacle for at least one sealing device on its outer surface and / or its underside. This ensures that the shaft arrangement can always be prefabricated and configured to fit an existing shaft system to be renovated.

[0020] It had proven advantageous in the shaft arrangement that the sealing device was designed as a sealing strip, as a wedge seal, as a round seal, as an activatable seal such as a swelling seal, swellable seal, inflatable seal and the like.

[0021] Advantageously, the sealing device of the shaft assembly consists of or contains an elastomeric polymer material. A selection of materials for the manufacture of the sealing device can be made from rubber, styrene-butadiene rubber (SBR), ethylene propylene diene monomer rubber (EPDM), nitrile butadiene rubber (NBR), or thermoplastic elastomer (TPE).

[0022] The shaft arrangement is further designed such that at least one adapter arrangement comprises at least one base element and / or at least one ring element. Advantageously, this allows for a shaft arrangement that can be individually adapted to the specific geometry of existing shaft systems, both in height and diameter.

[0023] In a further advantageous embodiment, the shaft arrangement is designed such that at least one adapter arrangement has at least one ring element, designed as a socket, at at least one free end. The adapter arrangement of the shaft arrangement can thus be easily and, above all, individually adapted to the various geometries of existing shaft systems at any time.

[0024] Another advantage of this shaft arrangement is that the existing shaft system is spaced from the new shaft system by at least one annular gap. This allows the shaft arrangement to be quickly and easily integrated into and installed within an existing shaft system.

[0025] In this shaft arrangement, it proved advantageous that the annular gap between the old and new shaft systems contained at least some backfill material. This advantageously establishes and improves the stability of the new shaft system connected to the old one. Furthermore, this also allows for the economical and cost-effective sealing of the connections between the old and new shaft systems.

[0026] A further advantage of the shaft arrangement is that the adapter arrangement and / or the shaft center section and / or the shaft top section and / or the shaft bottom section contain or consist of a polymer material, wherein the polymer material is preferably a thermoplastic, particularly preferably a polyolefin such as polypropylene, polyethylene, polybutylene, or a copolymer of the aforementioned, or polyvinyl chloride. The shaft arrangement is therefore economical and cost-effective to manufacture, has a low weight and is easy to assemble, and is corrosion-resistant.

[0027] Furthermore, the shaft arrangement of the present invention is designed such that it has at least one old shaft system and at least one new shaft system.

[0028] The adapter arrangement and / or the shaft center section and / or the shaft upper section and / or the shaft lower section of the shaft arrangement of the present invention can be manufactured in a polymer forming process, such as an injection molding process, a rotational molding process, a rotational sintering process, a pressing process, a deep drawing process, an extrusion blow molding process, or an additive manufacturing process, such as a 3D printing process, or a combination of the aforementioned processes. The aforementioned processes are suitable for producing the aforementioned components according to the present invention in large quantities in a reproducible, dimensionally accurate, and cost-effective manner.

[0029] This provides adapter assemblies and / or shaft center parts and / or shaft tops and / or shaft bottoms that are extremely resistant and strong, and meet the requirements of the customers or the specifications of the relevant specifications for their application.

[0030] Furthermore, it has proven extremely advantageous to manufacture adapter assemblies and / or shaft center sections and / or shaft tops and / or shaft bottoms using machining processes such as milling. This allows for the realization of individual geometries such as diameters, heights, and the like, so that a geometrically precise new shaft system can be provided cost-effectively and economically for every existing shaft system to be rehabilitated.

[0031] Within the scope of the present invention, it can prove highly practical to manufacture the adapter arrangement and / or the shaft center section and / or the shaft upper section and / or the shaft lower section using an additive manufacturing process, such as 3D printing. Such a process is suitable for producing an installation insert and / or a connection fitting and / or a securing device according to the present invention in large quantities, with high reproducibility, dimensional accuracy, and cost-effectiveness. In particular, it can be provided that the installation insert and / or the connection fitting and / or the securing device is manufactured wholly or partially using an additive manufacturing process, for example, a 3D printing process. For this purpose, a machine-readable three-dimensional model can advantageously be used for manufacturing.The invention also includes a method for generating a machine-readable three-dimensional model for use in a manufacturing process for an installation insert and / or a connection fitting and / or a fixing device. In particular, the method includes inputting data representing an installation insert and / or a connection fitting and / or a fixing device into a data processing machine and using the data to represent an installation insert and / or a connection fitting and / or a fixing device as a three-dimensional model, wherein the three-dimensional model is suitable for use in the manufacture of an installation insert and / or a connection fitting and / or a fixing device.The process also includes a technique in which the input data from one or more 3D scanners, operating either on contact or non-contact, is used. In the latter case, energy is delivered to an installation insert and / or a connection fitting and / or a fixing device, and the reflected energy is received. A virtual three-dimensional model of the installation insert and / or a connection fitting and / or a fixing device is then generated using computer-aided design software. The manufacturing process may include an additive manufacturing process, in particular selective laser melting (SLM), selective laser sintering (SLS), selective heat sintering (SHS), selective electron beam melting (EBM / electron beam additive manufacturing - EBAM), or binder jetting of the powder material.The manufacturing process may include an additive manufacturing process, in particular welding, wax deposition modeling (WDM), contour crafting, metal powder deposition (MPA), plastic powder deposition, cold gas spraying, electron beam welding (EBW), or fused deposition modeling (FDM) or fused filament fabrication (FFF). The manufacturing process may also include an additive liquid material process, in particular stereolithography (SLA), digital light processing (DLP), multi-jet modeling (MJM), polyjet modeling, or liquid composite molding (LCM). Furthermore, the manufacturing process may include other additive layer-by-layer processes, in particular laminated object modeling (LOM), 3D screen printing, or light-controlled electrophoretic deposition.

[0032] The invention further relates to a system for receiving, conveying and storing a fluid with at least one shaft arrangement according to the preceding descriptions.

[0033] Further important features and advantages of the invention will become apparent from the dependent claims, the figures and the associated figure description.

[0034] It is understood that the features mentioned above and those to be explained below can be used not only in the combinations specified, but also in other combinations or on their own, without leaving the scope of the present invention.

[0035] A preferred embodiment of the invention is shown in the figures and is explained in more detail in the following description.

[0036] They show: Fig. 1 Schematic, side-section view of a shaft arrangement with an old shaft system and a new shaft system. Fig. 2 Perspective view of an adapter arrangement of the shaft arrangement.

[0037] In the Fig. 1 Figure 1 shows a schematic, side-sectioned view of a shaft arrangement 1 with an old shaft system 10 and a new shaft system 20.

[0038] The shaft arrangement 1 for an old shaft system 10 of a system for receiving, conveying and storing a fluid, wherein the old shaft system 10 has at least one old shaft base 11 with at least one old shaft floor 12, and at least one old shaft wall 13 enclosing the old shaft floor 12, wherein the old shaft base 11 has at least one channel 14 that is connected to at least one old shaft wall 13, is characterized in that the old shaft floor 12 of the old shaft system 10 is spaced apart from at least one adapter arrangement 30 and at least one shaft base 60 of a new shaft system 20.The shaft arrangement 1 for an existing shaft system 10 of a system for receiving, conveying and storing a fluid, wherein the existing shaft system 10 has at least one existing shaft lower part 11 with at least one existing shaft bottom 12, as well as at least one existing shaft wall 13 enclosing the existing shaft bottom 12, wherein the existing shaft lower part 11 has at least one channel 14 that is connected to at least one existing shaft wall 13, is characterized in that the existing shaft bottom 12 of the existing shaft system 10 is spaced apart from at least one shaft middle part and / or at least one shaft upper part and / or at least one shaft lower part of a new shaft system 20, which have at least one sealing, pluggable and / or lockable connection, via at least one adapter arrangement 30 and at least one shaft lower part 60.

[0039] In this embodiment, only the lower part 11 of the existing old shaft system 10 is shown schematically. The lower part 11 of the old shaft system 10 has a shaft floor 12. The shaft floor 12 of the old shaft system 10 is surrounded by a shaft wall 13.

[0040] In this embodiment, an open channel 14 is shown in the center of the old shaft base 13. The old shaft base 13 of the old shaft lower section 11 is designed such that it has a slope extending from the old shaft wall 13, which leads into the centrally arranged open channel 14. Other components of a typical old shaft system 10 are not shown in this embodiment.

[0041] The shaft arrangement 1 is designed such that at least one adapter arrangement 30 and at least one shaft base 60 are in a sealing connection with the existing shaft base 11. Furthermore, the shaft arrangement 1 is designed such that at least one adapter arrangement 30 and at least one shaft base 60 are in a sealing connection with at least one existing shaft floor 12 and / or with at least one existing shaft wall 13 of the existing shaft base 11.

[0042] In this embodiment, the shaft arrangement 1 is designed such that the at least one adapter arrangement 30 is spaced apart from at least one old shaft wall 13 of the old shaft base 11 via at least one sealing device 2. However, it is also within the scope of the invention that the at least one adapter arrangement 30 and at least one shaft base 60 are spaced apart from at least one old shaft floor 12 of the old shaft base 11 via at least one sealing device 2.

[0043] The shaft arrangement 1 is further designed to have at least one adapter arrangement 30 on its outer side 31 and / or at least one receptacle 33 for at least one sealing device 2 on its underside 32.

[0044] The shaft arrangement 1 is further designed such that the at least one adapter arrangement 30 in this embodiment has at least one receptacle 33 for at least one sealing device 2 on its outer side 31.

[0045] Furthermore, the shaft arrangement 1 is designed such that the sealing device 2 is configured as a sealing strip, a wedge seal, a round seal, or an activatable seal such as a swelling seal, a swellable seal, an inflatable seal, and the like. In this embodiment, the sealing device 2 is configured as a wedge seal. Advantageously, the sealing device 2 of the shaft arrangement 1 consists of or contains an elastomeric polymer material. For this purpose, a selection can be made from rubber, styrene-butadiene rubber (SBR), ethylene propylene diene monomer rubber (EPDM), nitrile butadiene rubber (NBR), or thermoplastic elastomer (TPE) for the manufacture of the sealing device. In this embodiment, the sealing device 2 of the shaft arrangement 1 consists of the elastomeric polymer material thermoplastic elastomer (TPE).

[0046] In this embodiment, the new shaft system 20 has at least one adapter arrangement 30 and at least one shaft base 60.

[0047] However, it is also within the scope of the invention that the shaft arrangement 1 is designed such that further new shaft components, such as shaft center parts, as well as a shaft top part, are arranged on the adapter arrangement 30.

[0048] The shaft base 60 of the new shaft system 20 is arranged on the old shaft floor 12 of the old shaft system 10 in such a way that existing openings 15 in the old shaft wall 13 of the old shaft system 10 are in operative connection with the corresponding openings 61 of the shaft base 60 of the new shaft system 20.

[0049] The old shaft system 10 is spaced apart from the new shaft system 20 by at least one annular gap 3.

[0050] The annular gap 3 between the old shaft system 10 and the new shaft system 20 is generally filled with a backfill material 4 over the entire height of the new shaft system 20.

[0051] When filling the annular gap 3 with the backfill material 4, care must be taken to ensure that the existing openings 15 in the old shaft wall 13 of the old shaft system 10 are sealed to the corresponding openings 61 of the shaft base 60 of the new shaft system 20.

[0052] The shaft arrangement 1 is designed such that the adapter arrangement 30 and / or the shaft center section 40 and / or the shaft top section 50 and / or the shaft bottom section 60 contain or consist of a polymer material, wherein the polymer material is preferably a thermoplastic, particularly preferably a polyolefin, such as polypropylene, polyethylene, polybutylene, or a copolymer of the aforementioned, or polyvinyl chloride, or consists of such a material. In this embodiment, the shaft arrangement 1 is designed such that the adapter arrangement 30, the shaft center section 40, and the shaft top section 50 consist of the polymer material polypropylene.

[0053] In the Fig. 2 A perspective view of an adapter arrangement 30 of the shaft arrangement 1 is shown.

[0054] The adapter arrangement 30 of the shaft arrangement 1 is designed such that it has at least one receptacle 33 for at least one sealing device 2 on its outer surface 31 and / or on its underside 32. In this embodiment, only a first receptacle 33 is visible on the ring element 35. However, it is also within the scope of the invention for a second receptacle 33 to be arranged on the underside 32 of the base element 34.

[0055] Due to the geometry, in particular the diameter or height of the base element 34, an adapter arrangement 30 of the shaft arrangement 1 can be provided, which can be individually manufactured to fit all existing geometries of old shaft systems 10 to be renovated, economically and cost-effectively produced, and can be installed very quickly, easily and with ease of assembly.

[0056] It is also within the scope of the invention that the base element 34 and / or the ring element 35 of the adapter arrangement 30 are integrally connected, for example by a plastic forming process.

[0057] Furthermore, it is also within the scope of the invention that the base element 34 and / or the ring element 35 of the adapter arrangement 30 can be manufactured as separate parts and can be assembled / fixed to form an adapter arrangement 30.

Claims

1. Manhole arrangement, comprising an old manhole system (10) of a system for receiving, conducting and storing a fluid, further comprising a new manhole system, wherein the old manhole system (10) has at least one old manhole lower part (11) with at least one old manhole base (12), as well as at least one old manhole wall (13) enclosing the old manhole base (12), the old manhole base (12) of the old manhole system (10) being arranged spaced apart via at least one adapter arrangement (30) as well as at least one manhole lower part of the new manhole system (20), wherein the at least one adapter arrangement (30) as well as the at least one manhole lower part is in sealing operative connection with at least one old manhole base (12) and / or with at least one old manhole wall (13) of the old manhole lower part (11), characterized in that the at least one adapter arrangement (30) is arranged spaced apart from at least one old manhole wall (13) of the old manhole lower part (11) via at least one sealing device (2).

2. Manhole arrangement according to claim 1, characterized in that the old manhole base (12) of the old manhole system (10) is arranged spaced apart via at least one adapter arrangement (30) as well as at least one manhole lower part with respect to at least one manhole middle part and / or at least one manhole upper part of a new manhole system (20), which have at least one sealing and / or pluggable and / or latchable connection.

3. Manhole arrangement according to one of the preceding claims, characterized in that the at least one adapter arrangement (30) as well as the at least one manhole lower part is in sealing operative connection with the old manhole lower part (11).

4. Manhole arrangement according to one of the preceding claims, characterized in that the at least one adapter arrangement (30) has at least one sealing device (2).

5. Manhole arrangement according to one of the preceding claims, characterized in that the at least one adapter arrangement (30) has, on its outer side (31) and / or on its underside (32), at least one receptacle (33) for at least one sealing device (2).

6. Manhole arrangement according to one of the preceding claims, characterized in that the sealing device (2) is configured as a sealing strip, as a wedge seal, as a round seal, as an activatable seal such as a swelling seal, swellable seal, inflatable seal and the like.

7. Manhole arrangement according to one of the preceding claims, characterized in that the at least one adapter arrangement (30) has at least one base element (34) and / or at least one ring element (35).

8. Manhole arrangement according to one of the preceding claims, characterized in that the at least one adapter arrangement (30) has, at at least one free end, at least one ring element (35) configured as a socket.

9. Manhole arrangement according to one of the preceding claims, characterized in that the old manhole system (10) is arranged spaced apart from the new manhole system (20) via at least one annular gap (3).

10. Manhole arrangement according to one of the preceding claims, characterized in that the annular gap (3) between the old manhole system (10) and the new manhole system (20) has, at least partially, a filling material (4).

11. Manhole arrangement according to one of the preceding claims, characterized in that the adapter arrangement (30) and / or the manhole lower part (60) and / or the manhole middle part (40) and / or the manhole upper part (50) contains a polymer material or consists of a polymer material, wherein the polymer material is preferably a thermoplastic, particularly preferably a polyolefin, such as for example a polypropylene or a polyethylene or a polybutylene or a copolymer of the aforementioned, or is a polyvinyl chloride, or consists of such.

12. Manhole arrangement according to one of the preceding claims, characterized in that it has at least one old manhole system (10) as well as at least one new manhole system (20).

13. System for receiving, conducting and storing a fluid with at least one manhole arrangement according to one of claims 1 to 12.