EP3821111A1 - Verfahren und vorrichtung zur demontage und/oder montage eines ringförmigen bauteils - Google Patents
Verfahren und vorrichtung zur demontage und/oder montage eines ringförmigen bauteilsInfo
- Publication number
- EP3821111A1 EP3821111A1 EP19759295.9A EP19759295A EP3821111A1 EP 3821111 A1 EP3821111 A1 EP 3821111A1 EP 19759295 A EP19759295 A EP 19759295A EP 3821111 A1 EP3821111 A1 EP 3821111A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- turbine housing
- receiving device
- slide rails
- base plate
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
- F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/60—Assembly methods
- F05D2230/68—Assembly methods using auxiliary equipment for lifting or holding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/70—Disassembly methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/14—Two-dimensional elliptical
- F05D2250/141—Two-dimensional elliptical circular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/02—Transport and handling during maintenance and repair
Definitions
- the present invention relates to a method and an apparatus for disassembling and / or assembling an annular component which is arranged at a position within a turbine housing, which is accessible via an access to the turbine housing.
- Annular components of the type mentioned at the outset which are designed to be divided and which can be, for example, oil boxes or the like, are currently being dismantled or assembled manually, in particular as part of maintenance and repair work.
- this due to the tightness within the turbine housing and the high weight of the component, this is very problematic.
- personnel can easily get injured while handling the component.
- handling is associated with a high level of body strain.
- manual disassembly and assembly takes a lot of time, which leads to undesirably long downtimes of the turbine and correspondingly high costs.
- the present invention provides a device for disassembling and / or assembling a ring-shaped component, which is arranged at a position inside a door bin housing, which is accessible via an access of the door bin housing, comprising at least two sliding rails, which to do so are designed, introduced through the access into the interior of the turbine housing and extending in a longitudinal direction and parallel to each other in the lower Turbine housing area to be mounted, and an insertable through the access into the interior of the turbine housing, attachable to the slide rails and along this in the longitudinal direction back and forth carriage with a base plate and viewed in the longitudinal direction in a front end region of the base plate attached component receiving device , which is designed such that the component to be dismantled or assembled can be attached to it and detachably fastened, the construction of at least the base plate being matched to the construction of the component receiving device such that the weight of the component received on the component receiving device is balanced with the weight of the base plate as a counterweight in such a way that a tilting of the slide
- an annular component to be disassembled or assembled with low physical stress can be moved, disassembled or assembled safely within the turbine housing between the assembly position of the component and the access to the turbine housing.
- the positioning of the component receiving device in the front end region of the base plate of the slide is advantageous in that the component receiving device can be moved up to the assembly position of the component without any problems. Since such a che positioning of the component receiving device, in particular when a component is held on this, leads to a very unfavorable weight distribution, which can result in a tilting of the slide on the slide rails, the construction of the base plate and the component receiving device is such that one another coordinated that the weight of the component received on the component receiving device is balanced with the weight of the base plate as a counterweight.
- the base plate is designed in the form of a ring segment.
- the shape of the base plate is adapted to the cylindrical shape of the interior of the turbine housing defined by the turbine housing. This means that the base plate cannot collide with other turbine components arranged there, such as in particular with the turbine rotor, during its movement through the interior of the turbine housing.
- a predetermined front area of the base plate is movable in the longitudinal direction beyond the front end of the slide rails, and in this predetermined area a first, in particular circular segment-shaped slide surface is provided on the underside of the base plate.
- This configuration stems from a turbine housing construction in which the slide rails cannot be guided all the way to the assembly position of the annular component due to lack of space due to a radially inwardly projecting turbine housing shoulder.
- the annular segment-shaped sliding surface of the base plate of the slide rests on the turbine housing section and facilitates moving the slide up to the assembly position of the component.
- the component receiving device is advantageously height-adjustable relative to the slide rails in order to enable fine alignment of the component receiving device with respect to the assembly position of the component or with respect to the component itself.
- this height adjustability is achieved in that the first sliding surface is formed on a sliding surface element which is received in a recess in the base plate and which can be moved up and down relative to the base plate via an actuating device.
- a second in particular whose annular segment-shaped sliding surface is provided, the radius of which corresponds to that of the first sliding surface.
- the slide can thus be moved not only at the bottom but also at the top along the turbine housing shoulder, which leads to very stable and easy-to-use handling of the slide.
- the component receiving device has an annular support element extending upwards from the bottom plate, on which a plurality of longitudinally protruding component receiving flanges are provided, which define circumferentially extending radial outer surfaces, which define a common circular arc are arranged, the diameter of which is slightly smaller than the inside diameter of the component.
- the ring-shaped design of the carrier element leads to a very stable construction of the component receiving device, here too preventing the component receiving device from colliding with other turbine components during the movement of the slide along the slide rails. The carrier element is simply pushed over the turbine runner to the assembly position of the component during the movement of the slide along the slide rails.
- the component receiving flanges are inserted into the inner diameter of the component, so that the inner peripheral surface of the component rests on the radial outer surfaces.
- the center of the circular arc, on which the radial outer surfaces are arranged, and the center of the annular component in the longitudinal direction are aligned with one another, which may require a corresponding alignment of the component receiving device, which can be done, for example, via the aforementioned height adjustment.
- An outwardly facing end face of the carrier element or a component mounting flange preferably defines an abutment surface for the component received on the component mounting flanges in order to have a repeatable, defined position when the component is mounted on the component mounting flanges. nation of the component for subsequent attachment.
- the carrier element and / or the component receiving flanges is / are provided with longitudinally extending through holes through which fastening screws can be inserted, which are screwed into threaded holes provided on the component.
- a handle is provided on the base plate and / or on the component receiving device in order to be able to grip the slide well and to move it manually along the slide rails.
- the present invention also provides a method for dismantling an annular component which is arranged at a position within a turbine housing which is accessible via an access to the turbine housing using a device according to the invention, comprising the following
- the present invention provides a corresponding method for mounting an annular component at a predetermined mounting position within a turbine housing, which is accessible via an access to the turbine housing, using a device according to the invention, comprising the following steps:
- Figure 1 is a perspective view of a carriage
- FIG. 2 shows a perspective view of the slide shown in FIG. 1, on the component receiving device of which an annular component is received and fastened;
- Figure 3 is a perspective, partially sectioned view
- Figure 4 shows another perspective, partially sectioned view of the arrangement shown in Figure 3;
- FIG. 5 shows a perspective, partially sectioned arrangement similar to FIGS. 3 and 4 in a state in which the slide with the component held thereon is in a position outside the turbine housing;
- Figure 6 is a flowchart schematically showing the steps of disassembling an annular member
- FIG. 7 is a flowchart that schematically shows the steps of assembling an annular component.
- the device 1 is used for disassembly and / or assembly of an annular component 2, which is arranged at a position inside half of a turbine housing 3, which is accessible via an access 5 of the turbine housing 3.
- this is a so-called oil box with a sealing ring accommodated in an annular housing, which seals an annular gap between the turbine housing 3 and a turbine rotor 4, as shown in FIGS. 3 to 5.
- component 2 can also be other ring-shaped components that are installed within the turbine housing.
- the main components of the device 1 include two slide rails 6 and a slide 7 movable thereon.
- the slide rails 6 are designed to be inserted through the access 5 into the interior of the turbine housing 3 and to be installed in the longitudinal direction L and extending parallel to one another in the lower turbine housing region.
- the carriage 7 is designed such that it is inserted through the access 5 into the interior of the turbine housing 3 and can be placed on the slide rails 6 in such a way that it can be moved forwards and backwards in the longitudinal direction L.
- the carriage 7 comprises a base plate 8 and a component receiving device 9, viewed in the longitudinal direction L, in a front end region of the base plate 8.
- the base plate 8 is designed in the shape of a ring segment and is thus adapted to the cylindrical shape of the turbine housing cavity.
- the underside of the base plate 8 is provided with stops 10 which rest on the slide rails 6 and limit the movement of the slide in the circumferential direction.
- a sliding surface 12 in the form of an annular segment is provided, which is formed on a sliding surface element 13 received in a recess in the base plate 8.
- the sliding surface element 13 is releasable via an actuating device 14 (not shown in detail).
- actuating device 14 not shown in detail.
- the height adjustment is effected by a user by actuating an adjustment unit 16 provided in the rear region of the base plate 8 by pushing it forward or backward in the direction of arrow 17.
- the movement of the adjusting unit 16 is transmitted to a wedge element 30 installed between the base plate 8 and the sliding surface element 13, which moves the base plate 8 and the sliding surface element 13 towards or away from one another.
- the component receiving device 9, viewed in the longitudinal direction L, is fastened in a front end region of the base plate 8. It is designed in such a way that the annular component 2 to be dismantled or assembled is aligned with it in the longitudinal direction L in alignment with the annular gap and can be detachably attached.
- the component receiving device 9 has an annular support element 18, which extends upwards from the base plate 8 and has an annular design.
- component receiving flanges 19 see pre-defining the circumferentially extending radial outer surfaces 20, which are arranged on a common circular arc, the diameter of which is slightly smaller than the inside diameter of component 2.
- more component receiving flanges 19 can, of course, also be arranged circumferentially on the carrier element 18 distributed circumferentially.
- the component receptacle flanges 19 are positioned in the region of the inner circumference of the carrier element 19 in such a way that the outward-facing one
- End face 21 of the support element 18 and / or the end face Chen 22 of the component receiving flanges 19 define a stop surface for the part 2 received on the component receiving flanges 19.
- Through the end faces 22 of the component mounting flanges 19 extend in the longitudinal direction L through holes 23, which serve to receive fastening screws.
- the through holes 23 are widened behind the end faces 22, so that the fastening screws can be inserted without problems using an appropriate tool, such as with a screw tool or the like.
- a second, in the present case also annular segment-shaped sliding surface 24 is provided opposite the first sliding surface 12, the radius of which corresponds to that of the first sliding surface 12.
- a handle 25 or 26 is provided in order to manually move the carriage 7 on the slide rails 6 in the longitudinal direction L.
- FIG. 2 shows the carriage 7 in a state in which the component 2 is held and fastened to it.
- the component receiving flanges 19 engage in the inner circumference of the component 2 in such a way that the inner peripheral surface of the component 2 is received or abuts the outer surfaces 20 of the component receiving flanges 19.
- the end face of the component 2 facing the part receiving device 9 bears against the end face 21 of the carrier element 18.
- fastening screws not shown, are guided, which are screwed into associated, in this case, if not shown, threaded holes which are formed in the end face of the component 2. Accordingly, the component 2 is securely fastened to the carriage 7 be.
- the construction of the base plate 8, including the sliding surface element 13, is matched to the construction of the component receiving device 9 and to the weight of the component 2 such that the additional weight the on the component receiving device 9 received component 2 with the Ge weight of the base plate 8 and the sliding surface element 13 is counterbalanced.
- the base plate 8 can also be provided with additional counterweights in the rear end region. Overall, it is prevented in this way that the carriage 7 tilts on the slide rails 6 when a component 2 is taken up on this. A method for dismantling a ring-shaped component 2 is described below with reference to FIG. 6 and FIGS. 3 to 5.
- a first step S1 the slide rails 6 of the device 1 are introduced into the interior of the turbine housing 3 through the access 5 of the turbine housing 3.
- Access 5 was created in the present case by removing a turbine housing cover (not shown).
- the access 5 can also be a manhole provided in the upper region of the door housing 3.
- the slide rails 6 are mounted at predetermined positions in the lower turbine housing area such that they extend from a position in the area of the access 5 in the longitudinal direction L and parallel to one another in the direction of the component 2 to be dismantled.
- the slide rails 6 protrude from the turbine housing 3 and are supported on the turbine housing 3 by a support structure 27.
- the projecting from the Turbinenge housing 3 free ends of the slide rails 6 are connected to each other via a connecting strut 28, whereby the required stability is achieved.
- strut 8 stopper elements 29 are provided which point in the direction of the turbine housing 3 and limit the movement of the carriage 7 on the slide rails 6 at the end.
- step S3 the slide is placed on the slide rails 6 using a crane in such a way that the component receiving device 9 points in the direction of the component 2.
- step S4 the carriage 7 is now moved on the slide rails 6 in the direction of the component 2.
- the sliding surfaces 12 and 24 of the carriage 7 come into contact with the turbine housing wall in the region of the turbine housing paragraph 11, so that the sliding surface Chen 12 and 24 slide on the turbine housing wall.
- the area of the base plate 8 on which the sliding surface 12 is arranged is moved in the longitudinal direction L beyond the front end of the sliding rails 6.
- the component receiving device 9 and the component 2 are not optimally aligned with one another, then in an intermediate step the component receiving device 9 can be aligned relative to the component 2 by moving the adjusting unit 16 in the direction of the arrow 17 and thus the sliding surface element 13 relative to the Bo denplatte 8 is moved. In this way, there is also a relative movement between the component receiving device 9 and the slide rails 6 in the upward or downward direction, as a result of which a height adjustment of the component receiving device 9 takes place.
- the component 2 is fastened to the component receiving device 9 in step S5 by inserting fastening screws through the through holes 23 of the component receiving device 9 and screwing them to the component, as has already been described above.
- step S6 the carriage 7 is moved on the slide rails 6 in the direction of the access 5 until the component is positioned in the area of the access 5, in the present case outside the turbine housing 3, as shown in FIG. 5.
- the component 2 is released from the component receiving device 9 and can then be lifted off the carriage 7 with a crane in a last step S8.
- the slide rails 6 and the slide are made in steps S1 to S3 according to FIG 7 inserted through the access 5 into the turbine housing 3 and mounted in the interior of the turbine housing 3 in the manner described above, should this not have happened beforehand.
- a step S9 the component 2 is picked up and attached to the component receiving device 9.
- step S10 the carriage 7 is moved on the slide rails 6 in the direction of the predetermined assembly position of the component 2 until the component 2 is arranged at the predetermined assembly position.
- an optional alignment of the component receiving device 9 can take place beforehand relative to the annular gap if this should be necessary.
- step Sil Now the component 2 is released on the component receiving device 9 in step Sil, whereupon the slide is moved back in step S12 on the slide rails 6 in the direction of the access 5.
- a major advantage that goes with the use of the device 1 described above in the disassembly and / or Mon days of the component 2 is that the construction part 2 can be moved safely and without great effort inside the tower bin housing 3 in the longitudinal direction L. can. On the one hand, this is too detrimental to the safety and health of the staff. On the other hand, a shorter period of time is also required for the disassembly or assembly of component 2, where the downtimes of the turbine can be shortened and costs can be saved.
- the construction of the device 1 is fundamentally to be adapted to the external conditions which are predetermined by the construction of the turbine.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Hydraulic Turbines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018214996.8A DE102018214996A1 (de) | 2018-09-04 | 2018-09-04 | Verfahren und Vorrichtung zur Demontage und/oder Montage eines ringförmigen Bauteils |
| PCT/EP2019/070894 WO2020048699A1 (de) | 2018-09-04 | 2019-08-02 | Verfahren und vorrichtung zur demontage und/oder montage eines ringförmigen bauteils |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3821111A1 true EP3821111A1 (de) | 2021-05-19 |
| EP3821111B1 EP3821111B1 (de) | 2022-06-22 |
Family
ID=67770459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19759295.9A Active EP3821111B1 (de) | 2018-09-04 | 2019-08-02 | Vorrichtung und verfahren zur demontage und/oder montage eines ringförmigen bauteils |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11725541B2 (de) |
| EP (1) | EP3821111B1 (de) |
| DE (1) | DE102018214996A1 (de) |
| WO (1) | WO2020048699A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022210466A1 (de) * | 2022-10-04 | 2024-04-04 | Siemens Energy Global GmbH & Co. KG | Aufhängungssystem für ein Mannloch, Gasturbine und Verfahren |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10029679C1 (de) * | 2000-06-23 | 2002-01-24 | F W Carduck Gmbh | Radialventilator |
| EP2610439A1 (de) | 2011-12-30 | 2013-07-03 | Siemens Aktiengesellschaft | Verfahren zum Ziehen und/oder Einsetzen eines Turbinenlagers sowie Vorrichtung zur Durchführung des Verfahrens |
| US9486899B2 (en) * | 2013-11-25 | 2016-11-08 | General Electric Company | Method for positioning of equipment |
| DE102016217980A1 (de) | 2016-09-20 | 2018-03-22 | Siemens Aktiengesellschaft | Vorrichtung zum Einbauen und Ausbauen eines Bauteils einer Gasturbine |
-
2018
- 2018-09-04 DE DE102018214996.8A patent/DE102018214996A1/de not_active Withdrawn
-
2019
- 2019-08-02 EP EP19759295.9A patent/EP3821111B1/de active Active
- 2019-08-02 WO PCT/EP2019/070894 patent/WO2020048699A1/de not_active Ceased
- 2019-08-02 US US17/270,020 patent/US11725541B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018214996A1 (de) | 2020-03-05 |
| US20210324764A1 (en) | 2021-10-21 |
| WO2020048699A1 (de) | 2020-03-12 |
| EP3821111B1 (de) | 2022-06-22 |
| US11725541B2 (en) | 2023-08-15 |
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