WO2017020881A1 - Chariot de guidage pour un élément constitutif de réacteur - Google Patents

Chariot de guidage pour un élément constitutif de réacteur Download PDF

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Publication number
WO2017020881A1
WO2017020881A1 PCT/DE2016/000293 DE2016000293W WO2017020881A1 WO 2017020881 A1 WO2017020881 A1 WO 2017020881A1 DE 2016000293 W DE2016000293 W DE 2016000293W WO 2017020881 A1 WO2017020881 A1 WO 2017020881A1
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WO
WIPO (PCT)
Prior art keywords
carriage
engine component
axis
engine
guide carriage
Prior art date
Application number
PCT/DE2016/000293
Other languages
German (de)
English (en)
Inventor
Stefan Hofner
Florian Cerovsky
Original Assignee
MTU Aero Engines AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MTU Aero Engines AG filed Critical MTU Aero Engines AG
Publication of WO2017020881A1 publication Critical patent/WO2017020881A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
    • B64F5/50—Handling or transporting aircraft components
    • 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

Definitions

  • the invention relates to a guide carriage for an engine component, in particular for a fan module of a gas turbine.
  • a generic guide carriage is already known from US Pat. No. 5,816,367 A1 and is used for transport as well as for assembly or disassembly of an engine component, in particular a fan module of a gas turbine.
  • the guide carriage comprises a base element made of a plurality of longitudinally and transversely arranged struts, on which a carrying device for holding the engine component is arranged.
  • the support means comprises mutually opposite support rods, which can receive the engine component and hold the carriage.
  • the handrails hang on movable cables, so that the engine component can be raised or lowered.
  • the support device is also arranged on the base element via a rail-like adjustment device, so that the engine component can be displaced relative to the base element with respect to a longitudinal axis of the base element to the front or to the rear.
  • a disadvantage of the known carriage is the fact that this particular no optimal assembly or disassembly of the engine component to other engine components and modules such as Niederdruckverêtra or engine cores of gas turbines allows.
  • Object of the present invention is to develop a carriage of the type mentioned so that an improved assembly and disassembly of engine components such as fan modules is possible.
  • a guide carriage for an engine component which permits improved assembly and disassembly of the engine component, is inventively provided in that at least one further adjusting device is provided, by means of which the engine component is rotatable about at least one axis of rotation relative to the base member.
  • the guide carriage not only allows an adjustable translational relative movement of an engine component held on the carriage relative to the carriage, but also at least one adjustable rotational relative movement to the carriage. This allows more accurate positioning of an engine component held by the carriage relative to one or more adjacent engine components or modules, thereby greatly simplifying and improving the assembly and disassembly of the engine component due to the increased degree of freedom of movement.
  • the adjustability of a relative angle between an axis of the carriage and a component axis of the engine component, even with an uneven mounting floor, can reliably prevent connecting bolts between the engine component and an adjacent engine component or module from being bent or even torn off during assembly or disassembly.
  • the carriage can basically also be used to perform assembly or disassembly activities on the engine component itself.
  • the at least one further adjusting device is designed to rotatably support the engine component held in the carrying device about a rotational axis arranged parallel to the longitudinal axis and / or about a rotational axis arranged parallel to a transverse axis of the basic element and / or to move a parallel to a vertical axis of the basic element arranged rotational axis.
  • the transverse axis denotes an axis, which preferably also extends horizontally, but perpendicular to the longitudinal axis or in the transverse direction of the base member and can also be referred to as the x-axis.
  • the vertical axis which may also be referred to as the y-axis, extends in the vertical direction and is perpendicular to the longitudinal axis or the mounting floor.
  • the axis of rotation arranged parallel to the longitudinal axis is also referred to below as cz-axis, the axis of rotation arranged parallel to the transverse axis of the basic element as cx-axis and the axis of rotation arranged parallel to the vertical axis of the basic element as cy-axis.
  • At least one further adjustment device is provided by means of which the engine component is translationally movable relative to the base element along an axis parallel to the transverse axis of the base element and / or along an axis parallel to the vertical axis of the base element.
  • the relative position of the engine component relative to the carriage not only along the z-axis of the carriage, but also along the x- and / or y-axis of the carriage by translational movement is adjustable. This allows due to the additional increased degrees of freedom additionally improved handling and positioning of the engine component.
  • the adjusting devices comprising an actuating element, in particular a hand wheel and / or a magnetic brake system, for adjusting the relative position of the engine component.
  • an actuating element in particular a hand wheel and / or a magnetic brake system
  • This allows a quick and easy manual adjustment of the relative spatial position of the engine component with respect to the carriage.
  • the use of a hand wheel is advantageous from an ergonomic point of view, while a magnetic brake system causes a braking force even at a standstill, so that it is particularly suitable as a holding brake.
  • At least one of the adjusting means a control and / or controllable motor for moving the
  • Engine component includes.
  • the engine component can be moved along the respective axle and supported by a motor and rotated by 360 ° around the relevant axis of rotation.
  • This makes it possible to move the engine component ergonomically advantageous with the help of the engine in a desired spatial position with respect to the carriage, whereby both the transport and any assembly, disassembly or repair measures are facilitated accordingly.
  • the carrying device comprising a holding frame in which the engine component can be arranged at least in regions. This allows a simple and reliable fixation of the engine component to the support device.
  • the holding frame is adapted or adaptable to a geometry of the engine component or to a geometry of the region of the engine component to be arranged in the holding frame.
  • the motor is arranged on the holding frame and movable between a first position, in which the engine component is coupled to the engine, and a second position, in which the engine component is decoupled from the engine.
  • a first position in which the engine component is coupled to the engine
  • a second position in which the engine component is decoupled from the engine.
  • the holding frame is at least substantially semicircular or U-shaped and / or formed for holding a mounting ring of the engine component. This allows a particularly simple and reliable arrangement and fixation of cross-sectionally at least substantially circular or oval engine components in the holding frame.
  • the holding frame comprises at least two preferably pivotable rollers, between which the engine component is at least partially arranged. This makes it possible to hold the engine component by means of the rollers and to move relative to the rollers, wherein the rollers can roll on the engine component.
  • the rollers may be arranged such that they laterally hold a month of the engine component in such a way that the mounting ring is rotatable about its central axis and thereby rolls on the rollers.
  • at least one bearing device for rotatably supporting the engine component is arranged on the holding frame. This allows a support and low-friction guidance of the relatively movable to the bearing device engine component.
  • any suitable bearing type can be used as the bearing device, with linear bearings usually being preferred.
  • the bearing device comprising a movably mounted rolling element, which is held in a basic position by means of at least one spring element at least in the unloaded state of the guide carriage.
  • the bearing device comprises a rolling bearing whose rolling elements is preferably movable linearly between two end positions, wherein it is moved by Federkraftbeetzschung in the basic position or held in this.
  • a controllable and / or controllable drive device for motor-assisted movement of the guide carriage is provided. In this way, the carriage can be moved particularly easily and comfortably both in the loaded and unloaded state.
  • the drive device can have one or more drivable wheels and / or rollers, which can be driven by one or more motors.
  • the wheels or rollers are steerable.
  • the drive device comprises a control and / or regulating device, by means of which the movement of the guide carriage can be controlled or regulated.
  • the guide carriage comprises at least two wheels which are pivotally mounted on a rocker on a base element of the guide carriage.
  • the carriage can be easily used and moved on uneven lower surfaces, since the wheels held on the rocker can be pivoted relative to the base element and thus always have safe contact with the ground. This also prevents the occurrence of stresses in an engine component held by the guide carriage.
  • the drive device is designed to move the guide carriage remote-controlled and / or autonomously and / or synchronously to another guide carriage. A remotely controlled and / or autonomous movability of the guide carriage makes it possible to use the guide carriage in a particularly flexible manner, for example at different assembly locations.
  • the guide carriage is movable in synchronism with another guide carriage, two or more engine components can be moved in a coordinated manner and thus particularly reliably protected from damage.
  • two carriages can be moved toward each other during the assembly of two engine components coordinated.
  • the carriages can be moved away from each other in a coordinated manner during the dismantling of two engine components.
  • it is possible to match the carriages in the joint transport of two or more engine components such that they move like a vehicle. This allows a particularly simple transport of two or more engine components and reliably prevents mechanical damage to the engine components.
  • the guide carriage comprises coupling means for releasably coupling and decoupling.
  • the guide carriage can be coupled as required with other movable or immovable objects and weighing or decoupled from them.
  • a mounting system may include, for example, two or more carriages for holding and moving corresponding engine components, which are coupled to each other or decoupled from each other, if necessary. Due to such a modular construction, such a mounting system can be adapted particularly easily to different engine components and types of gas turbine and used correspondingly flexibly.
  • the mounting system can be used in different areas of a production hall, without requiring structural changes to the production hall.
  • the mounting system can be quickly transported to different production locations and used there for handling engine components or gas turbines. Through the carriages can several Engine components on the one hand held and on the other hand ground-based transported without the need of rail system or the like.
  • An engine component may be, for example, a turbine or low-pressure turbine module, a compressor or low-pressure compressor module and / or a fan module.
  • the guide carriage can be coupled with the aid of the coupling means with a connection module of such a mounting system or can be decoupled therefrom.
  • a connection module of such a mounting system
  • an engine component can be held, guided, adjusted, mounted or dismounted in single operation of the carriage, while in combined operation with other carriages or mounting devices also free carrying, storing and transporting several interconnected engine components or an overall module such as a gas turbine or An aircraft engine is possible.
  • the coupling means are basically not limited to a specific embodiment, as long as they allow a reversible coupling and decoupling of the carriage.
  • pins, spikes, levers, receiving openings, screws, threads, brackets, fork traps, latches, pawls, locks, locking elements, etc. may be provided as a coupling means.
  • the coupling means are designed such that, in addition to a reversible coupling, they also ensure a defined spatial arrangement between the guide carriage and the coupled object or carriage, for example by using one or more centering pins and corresponding centering openings.
  • adjusting means may be provided which allow adjustment of the relative spatial arrangement of guide carriage and coupled object or carriage.
  • optical direction finding devices such as laser-sighting systems and the like may be provided.
  • FIG. 2 is a schematic diagram of the partially or fully assembled gas turbine during the implementation of transport, assembly, disassembly and / or maintenance steps.
  • connection module of the mounting system is a perspective view of an embodiment of a connection module of the mounting system
  • FIG. 4 is a perspective view of a first embodiment of a holding device of the mounting system
  • Fig. 5 is a sectional view of a hinge bearing of the holding device shown in Fig. 4;
  • FIG. 6 shows a front perspective view of an embodiment of a first guide carriage for holding a first engine component
  • Fig. 7 is a rear perspective view of the first carriage
  • FIG. 8 shows a schematic sectional view of a spherical roller bearing of the first guide carriage; 9 is a front perspective view of an embodiment of a second carriage for holding a second engine component; 10 is a front perspective view of the second carriage;
  • FIG. 11 is a schematic sectional view of a bearing of the second carriage for arranging a second type of mounting ring of the second engine component;
  • Fig. 12 is a perspective view of a second embodiment of the holding device;
  • Fig. 13 is a schematic and fragmentary sectional view of the holding device shown in Fig. 12; 14 shows a rear perspective view of an exemplary embodiment of a guide carriage according to the invention for holding a third engine component;
  • FIG. 15 shows a further rear perspective view of the guide carriage according to the invention
  • FIG. 16 is a perspective view of a core module of a gas turbine supported by the retainer shown in FIG. 4 to which two engine components are mounted;
  • FIG. 16 is a perspective view of a core module of a gas turbine supported by the retainer shown in FIG. 4 to which two engine components are mounted;
  • 17 is a perspective view of the partially assembled gas turbine during a subsequent assembly step
  • Fig. 18 is a perspective view of the partially assembled gas turbine in which mounting rings are mounted to the first and second engine components and held by the first and second carriages, respectively; 19 is a perspective view of the partially assembled gas turbine with the retainer removed and the partially assembled gas turbine raised by means of respective lifting devices of the first and second carriage;
  • Fig. 20 is a perspective view of the partially assembled gas turbine with the retainer removed and the partially assembled gas turbine lowered by means of respective lifting devices of the first and second guide carriages;
  • 21 is a perspective view of the partially assembled gas turbine, wherein the holding device according to the second embodiment attached to the core module and the two te guide carriage is disconnected from the connection module.
  • FIG. 22 is a perspective view of the partially assembled gas turbine with a third engine component being delivered by the carriage of the present invention; FIG. and a perspective view of the assembled gas turbine with the retainer removed and the third engine component mounted.
  • Fig. 1 shows a perspective schematic representation of a partially or fully assembled gas turbine 10, for example, an aircraft engine or a turbine for power generation, during loading and unloading or during their assembly or disassembly by means of a mounting system 12, which is also an object of the present invention.
  • the ground-based mounting system 12 in this case comprises a first guide carriage 14a for holding a first engine component 16a, which in the present case is a low-pressure turbine module (LPT) of the gas turbine 10.
  • the mounting system 12 comprises a second guide carriage 14b for holding a second engine component 16b, which may be, for example, a compressor compressor module (Fan Drive Compressor, FDC).
  • FDC Fan Drive Compressor
  • a fan module of the gas turbine 10 can be provided, which can be transported by means of a guide carriage 15 according to the invention (see Fig. 14) and held and aligned for assembly or disassembly.
  • the mounting system 12 provides different translational and rotational degrees of freedom and thus a torsional and spanwise tion-free transport and a torsional or stress-free handling of the partially or fully assembled gas turbine 10 allowed.
  • a core aspect of the mounting system 12 is that the partially or fully assembled gas turbine 10 is fixed at its opposite end to the first and second guide carriage 14a, 14b or one of the guide carriages 14a, 14b and a guide carriage 15 according to the invention, wherein the Guide carriages 14a, 14b, 15 are selectively movable independently of one another and in principle can be releasably coupled to one another directly or via a connection module 18 (not shown in FIG.
  • the mounting system 12 allows the targeted blocking or release of translational and / or rotational degrees of freedom. In the state shown in FIG.
  • the mounting system 12 permits a translational movement of the individual engine components 16a, 16b along an x, y and z axis, where x is a transverse axis parallel to the ground, y is an axis perpendicular to the ground (FIG. Vertical axis) and z denote a coaxially or axially parallel to a turbine axis of the gas turbine 10 arranged longitudinal axis (turbine axis).
  • the mounting system 12 allows a rotational movement of the individual engine components 16a, 16b about the x-, y- and z-axis, which are referred to in this context as cx, cy and cz axis.
  • connection module 18 basically comprises optional damping and / or articulation devices which restrict and damp relative pendulum movements between the first and second guide carriages 14a, 14b or the carriage 15 and the connection module 18 to an angle range of ⁇ 5 ° or more. This allows any tension and torsions between the engine components or between the engine components 16a, 16b and a core module 36, for example due to uneven floors, manufacturing tolerances and the like, are reliably compensated, so that a stress-free assembly and disassembly of the individual components of the gas turbine and a tension-free transport are ensured.
  • the at least one damping and / or hinge device restricts, for example, a relative oscillating movement between the connection module and the adjacent guide carriage to an angular range of ⁇ 0.5 °, ⁇ 1 °, ⁇ 2 °, ⁇ 3 °, ⁇ 4 °, ⁇ 5 ° etc. , wherein different damping and / or hinge devices can basically limit the same or different angle ranges.
  • different damping and / or hinge devices can basically limit the same or different angle ranges.
  • bumps during transport or assembly or disassembly can be optimally balanced and unwanted mechanical loads reliably avoided.
  • partially or fully assembled restaurants may bine 10 and the individual engine components 16a, 16b lifted torsion-free, lowered and rotated.
  • FIG. 2 shows a perspective basic representation of the partially or completely assembled gas turbine 10 during the execution of transport, assembly, disassembly and / or maintenance steps. It can be seen that, in contrast to the state shown in FIG. 1, various degrees of freedom are blocked by means of the mounting system 12. So only a translational mobility of the second engine component 16b in the axial direction (z-axis) is allowed, while all other translational degrees of freedom are locked. In contrast, rotational movements of both the first and the second are continuing
  • the gas turbine 10 can by an angular range of, for example, ⁇ 0.5 °, ⁇ 1.0 °, ⁇ 1.5 °, ⁇ 2.0 °, ⁇ 2.5 °, ⁇ 3.0 °, ⁇ 3.5 °, ⁇ 4.0 °, ⁇ 4.5 °, ⁇ 5.0 °, etc. relatively free from the first guide carriage 14a to the second and third guide carriage 14b, 14c free of voltage. This is important in order not to tense or damage the gas turbine 10 when occurring movements such as in the process of uneven floors, when lifting / lowering or turning.
  • FIG. 3 shows a perspective illustration of an exemplary embodiment of the connection module 18 of the mounting system 12.
  • the connection module 18 comprises two substantially U-shaped transverse struts 20a, 20b, which are connected to one another via a center strut 22.
  • the center strut 22 has in the present embodiment, a basically optional kink, so that the transverse struts 20a, 20b are arranged with respect to the ground at different heights (y-axis).
  • y-axis the different diameters of low-pressure turbine modules and fan modules are taken into account to facilitate assembly and maintenance.
  • a kink of course, other geometric designs such as stairs, curves, etc. are conceivable.
  • the transverse struts 20a, 20b comprise coupling means, generally indicated by the reference numeral 24, which cooperate with corresponding coupling means 24 on the carriages 14, 15 to achieve a releasable coupling.
  • coupling means generally indicated by the reference numeral 24
  • take the cross braces 20a, 20b as a coupling means 24 each have two lateral mounting screws, which can be inserted and screwed into corresponding Montageöffhungen the carriage 14.
  • the connection module 18 and the respectively coupled guide carriage 14 are pivotable relative to each other only within a predetermined angular range.
  • connection module 18 may in principle comprise optional damping devices 26, which limit a relative oscillating movement between the connection module 18 and the relevant carriage 14 to a certain angular range, for example ⁇ 2 °, and damp the relative movement.
  • the lateral ends of the transverse struts 20a, 20b are oscillatingly supported ( ⁇ 2 ° about the z axis), so that the mounting screws serving as coupling means 24 are slightly pivotable.
  • the connecting module 18 comprises a plurality of, in particular four, pivotable rollers 28 which have ground contact when the connecting module 18 is connected to less than two of the carriages 14, 15.
  • the connection module 18 can be moved freely in the decoupled state on the ground and easily transported.
  • a motor drive is possible, but generally not mandatory.
  • the associated roller (s) 28 is lifted off the ground, so as not to hinder the movement of the relevant guide carriage 14, 15. This can be done, for example, by inserting the connection module 18 into a corresponding guide slot of the respective guide carriage 14, 15.
  • the rollers 28 may also be adjustable in height, foldable or even removable from the connection module 18.
  • the connecting module 18 basically comprises optional synchronizing means 30, by means of which drive devices (not shown) of the guide carriages 14, 15 are activatable such that the carriages 14, 15, when connected to each other via the connecting module 18, are only movable synchronously.
  • corresponding connection plugs (not shown) of the guide carriages 14, 15 are plugged into assigned slots (30) on the connection module 18 after coupling. This can be done manually or automatically when coupling.
  • their drive devices are controlled with the aid of the synchronization means 30 in such a way that the interconnected elements of the mounting system 12 are only matched or movable as a vehicle. This also reliably ensures that no impermissible mechanical stresses of the partially or fully assembled gas turbine 10 occur.
  • wired synchronization means 30 wireless couplings may also be provided, which however are less preferred for reasons of susceptibility to interference.
  • connection module 18 comprises lateral positioning means 32, which serve to align with a holding device 34 shown in the following figures.
  • the positioning means 32 may comprise switches which are activated upon successful coupling and deactivated in the event of a coupling failure, or vice versa.
  • the holding device 34 which can also be referred to as a crane or gallows, serves to hold the partially or completely assembled gas turbine 10 and / or a core module 36 (see FIG 16) of the gas turbine 10 and comprises, as a positioning means, a transverse bar 38 which can be pivoted about ⁇ 10 ° about the y-axis or vertical axis, at whose ends in each case a hydraulic cylinder 40 for height adjustment (eg up to 42 mm) is arranged.
  • the actuation takes place, for example, with a hydraulic pump (not shown) arranged on the rear side of the holding device 34, which can be manually operated.
  • a spherical plain bearing 42 Arranged on each of the two cylinders 40 is a spherical plain bearing 42, which serves as a further positioning means, with a holding element 43, one of which, by way of example, is enlarged in section in FIG.
  • Each joint bearing 42 allows a pendulum movement of about ⁇ 6 ° for tolerance compensation.
  • indicator pins 41 are provided, which are pushed upward when the holding member 43 is moved too far up. As a result, a worker 50 is made aware that the gas turbine 10 may not be raised further.
  • a handwheel 44 For pivoting the crossbar 38 is a handwheel 44. With the help of markers 46, the position of the crossbar 38 can be adjusted precisely.
  • the holding device 34 further comprises a manually operable fork 48, with which the holding device 34 can be raised by a worker 50, lowered and pulled or pushed for transport.
  • a manually operable fork 48 with which the holding device 34 can be raised by a worker 50, lowered and pulled or pushed for transport.
  • the holding device 34 includes height-adjustable feet and / or wheels or rollers and / or fixed to the ground, for example, is screwed.
  • the connecting module 18 can be detachably connected to the holding device 34 by means of corresponding coupling means 24.
  • the holding device 34 in the present case comprises positioning means 32 which are designed as thorns and which serve for the correct alignment of the positioning means 32, which are designed as markings, of the connection module 18.
  • the coupling means 24 are formed in the embodiment shown as a locking bolt and clamp the center strut 22 of the connection module 18, wherein the connection module 18 is in the clamped state upwards free.
  • FIG. 6 shows a front perspective view of an embodiment of the first guide carriage 14a for holding the first engine component 16a, for example a so-called low pressure turbine (LPT).
  • LPT low pressure turbine
  • Fig. 6 will be explained below in conjunction with Fig. 7 and Fig. 8, wherein Fig. 7 is a rear perspective view of the first carriage 14a and Fig. 8 is a schematic sectional view of a trained as a spherical roller or Ringha- tion ring holding frame 52 of the first Guide carriage 14a show.
  • FIGS. 6 to 8 only one mounting ring 54 of the first engine component 16a is shown in FIGS. 6 to 8.
  • the first guide carriage 14a may of course also be designed such that the first engine component 16a can also be fixed to it without mounting ring 54.
  • connection module 18 corresponding coupling means 24 to couple the carriage 14a with the connection module 18.
  • guide carriage 14 a said ring holder 52 for releasably fixing the mounting ring 54 and thus the first engine component 16 a.
  • the ring holder 52 is arranged on a transverse strut 56.
  • the Cross strut 56 can be raised and lowered by means of a lifting device 58 in the y direction.
  • the lifting device 58 comprises for this purpose two telescopically extending and retractable lifting columns 60, which are shown in Fig. 6 in the retracted and in Fig. 7 in the maximum extended state.
  • the lifting columns 60 are synchronized to reliably prevent twisting and the like when raising and lowering.
  • the first guide carriage 14a comprises a controllable and / or controllable drive device (not shown) for motor-assisted movement.
  • the drive device acts on at least one of three wheels 62, which are shown by way of example only in number and arrangement.
  • the first guide carriage 14a can be remotely controlled and / or moved autonomously.
  • a motor as a drive means 64.
  • the trained as a spherical roller bearing 53 ring holder 52 includes brackets 66 for releasably fixing the mounting ring 54.
  • the mounting ring 54 so that not translational with respect to first carriage 14a moves, but to a small extent ( ⁇ 0.5 ° to ⁇ 5.0 °) about the x, y and z-axis to be pivoted.
  • the mounting ring 54 can thus not translationally moved relative to the first guide carriage 14a, but pivoted or rotated about the x, y and z axis.
  • the ring holder 52 may be designed to be movable and lockable in the z-direction.
  • 9 shows a front perspective view of an exemplary embodiment of a second guide carriage 14b for holding a second engine component 16b, for example a so-called Fan Drive Compressor (FDC).
  • FDC Fan Drive Compressor
  • FIG. 9 will be explained below in conjunction with FIGS. 10 and 11, wherein FIG. 10 shows a further front perspective view of the second carriage 14 b, while FIG. 11 shows a schematic sectional view of the bearing 68 of the second carriage 14 b Arrangement of a mounting ring type of the second engine component 16b show. It can be seen in Fig. 1 1 that the mounting ring 54 is formed spherical, while an associated roller 69 of the bearing 68 is cylindrical.
  • the basic structure of the second guide carriage 14b corresponds in many parts to the structure of the first guide carriage 14a.
  • the second carriage 14b adapted in terms of its dimensions to larger engine components such as compressor modules.
  • the again formed as a ring holder support frame 52 is therefore formed differently and includes lateral storage devices 68, which may be adapted to the particular type of mounting ring.
  • the bearing surfaces of the bearing device 68 may be formed spherical, whereby a rotational movement in the z-direction is possible.
  • the degree of freedom of rotation about the x-axis and the translational degree of freedom in the z-direction is limited by the friction between the bearing device 68 and the mounting ring 54.
  • the mounting ring 54 is clamped by rotation about the y-axis.
  • the bearing surfaces of the bearing 68 may be cylindrical, that is designed as a roller 59, whereby rotational movements about the x-, y- and z-axis and translational movements in the z-direction are allowed or possible.
  • At least one of the bearing devices 68 comprises a rolling body (not shown), which is mounted movably in the z-direction and which is held in a basic position by at least one spring element at least in the unloaded state of the guide carriage 14b.
  • the rolling elements can be moved in the z-direction, wherein it is moved at least in the unloaded state by the spring force back to its initial or home position.
  • 12 shows a perspective view of a second exemplary embodiment of the holding device 34.
  • the holding device 34 does not comprise a transverse bar 38, but merely a hydraulic cylinder 40, via which a pivot bearing 42 with a subsequent holding element 43 for connecting a component in y-axis.
  • FIG. 13 shows a schematic and fragmentary sectional view of the upper region of the holding device 34.
  • the holding device 34 has a substantially U-shaped bottom element 72 which can be moved via four rollers or wheels 62 is.
  • the wheels 62 may be covered by protective caps 73 and may be hydraulically lowered to secure the position of the holding device 34 in a set position on the ground.
  • FIG. 14 shows a rear perspective view of an exemplary embodiment of the guide carriage 15 according to the invention for holding a third engine component 16c, which in the exemplary embodiment shown is a fan module of which, for reasons of clarity, only one mounting ring 54 is depicted.
  • FIG. 15 shows a further rear perspective view of the guide carriage 15 according to the invention from a different angle.
  • the guide carriage 15 has basically optional coupling means 24 for releasable coupling with the connection module 18.
  • the guide carriage 15 comprises four wheels 62 which are drivable via a controllable and / or controllable drive means (not shown), so that the guide carriage 15 motor-assisted, remotely controlled and / or autonomously movable.
  • the wheels 62 are each held in pairs on rockers 63 on the base member 75 and can be pivoted about the corresponding rocker 63 about the x-axis to compensate for bumps automatically. In addition, it is ensured with the aid of the rockers 63 that all wheels 62 always have contact with the ground.
  • the guide carriage 15 is also adapted to a circumference and a weight of the engine components 16c to be transported and mounted, and accordingly designed to be larger than, for example, the first guide carriage 14a.
  • the guide carriage 15 which is basically also used independently of the other modules of the month system 12, comprises a bottom or base element 75, on which a support means 77 for holding the engine component 16 c and its mounting ring 54 is arranged, wherein the support means 77 by means of an adjustment device 74a relative to the base member 75 along the longitudinal axis (z-axis) of the
  • Base member 75 translationally between two stops 79 is movable.
  • the adjusting device 74a for this purpose comprises in the z-direction or parallel to the longitudinal axis extending rails.
  • a further adjusting device 74b is provided, by means of which the carrying device 77 is translationally movable relative to the base element 75 along the transverse axis (x-axis) or parallel to the transverse axis of the base element 75.
  • parallel or parallel axes also means coaxial axes
  • the setting of the relative x-position of the carrying device 77 is effected via an actuating element 44b designed as a handwheel Moving the support means 77 in the z-direction, wherein in the illustrated embodiment, magnetic brakes (not shown) are provided for on-demand setting and releasing the support means 77.
  • three additional adjustment devices 74c-e are provided, by means of which the engine component 16c is rotatable about three axes of rotation cx (74c), cy (74d) and cz (74e) relative to the base element 75.
  • the adjustment or movement takes place via the handwheels 44c (rotation cx) and 44d (rotation cy) and via the controllable motor 64 (rotation cz).
  • the motor 64 is pivotable and thereby can be brought into engagement with it after fixing the mounting ring 54 to rotate it around the cz-axis. This position is shown in FIG. 14.
  • the motor 64 and the retaining rollers 76 can be pivoted out correspondingly into the position shown in FIG. 15.
  • the carriage 15 does not comprise any
  • the guide carriage 15 can of course also provide such functionality. It can also be provided that an adjustability in the y-direction is made possible by height-adjustable wheels 62 or the like.
  • the carrying device 77 furthermore comprises a holding frame 52 designed as a ring holder or at least approximately semicircular, on which, in addition to the hand wheels 44c, 44d and the motor 64, three pairs of rollers 76 are arranged with which the mounting ring 54 is held laterally and rotatably supported.
  • the rollers 76 may be pivoted individually or together to hold or release the mounting ring 54.
  • the holding frame 52 comprises two bearing devices 68, which are designed as roller bearings and each comprise a rolling element movably mounted in the z-direction, at least in the unloaded state of the guide carriage 15 by means of two laterally arranged by the rolling element spring elements is held in a middle basic position.
  • the rolling element can be displaced equidistantly in both directions along the z-axis until it abuts a bearing housing of the respective bearing device 68.
  • 16 shows a perspective view of a nuclear engine held by means of the holding device 34 shown in FIG.
  • the engine components 16a, 16b are moved in the z-direction to the core module 36 and secured thereto.
  • the core module 36 is attached only to a holding element 43, but can basically be attached to both ends of the crossbar 38.
  • This first assembly step can in principle be carried out without the use of the guide carriages 14a, 14b and the connection module 18.
  • the arrangement of at least one of the engine components 16a, 16b on the core module 36 can already be carried out with the aid of the carriages 14a, 14b.
  • the connecting module 18 are coupled to the holding device 34 and the carriages 14a, 14b to the connecting module 18.
  • connection module 18 is already coupled to the holding device 34.
  • the lifting devices 58 of the guide carriages 14a, 14b are in the lowered position, while the carriages 14a, 14b are moved to the connecting module 18 and are coupled thereto via the coupling means 24.
  • Corresponding mounting rings 54 have already been mounted on the engine components 16a, 16b. Subsequently, the lifting columns 60 of the guide carriages 14a, 14b are raised in the y direction until the mounting rings 54 lie in their respective ring holders 52 and can be secured in position in these.
  • FIG. 18 shows a perspective view of the partially assembled gas turbine 10, in which the mounting rings 54 of the first and second engine components 16a, 16b are mounted and held by the first and second guide carriages 14a, 14b, respectively. It can be seen that the length of the connection module 18 is selected such that the ring holders 52 of the coupled guide carriages 14a, 14b are already at least substantially correctly spaced from each other in order to receive the mounting rings 54. As soon as the mounting rings 54 are fastened in their associated ring holders 52, the holding device 34 can be removed or the connection module 18 can be uncoupled therefrom.
  • 19 shows a perspective view of the partially assembled gas turbine 10 with the holding device 34 removed and the partially assembled gas turbine 10 being raised to its maximum by means of the respective lifting devices 58 of the first and second guide carriages 14a, 14b.
  • 20 shows a perspective view of the partially assembled gas turbine 10, with the partially assembled gas turbine 10 completely lowered by means of the lifting devices 58 of the first and second guide carriages 14a, 14b.
  • This allows an adjustment of the distance of the turbine axis (z-axis) or the gas turbine 10 from the ground, wherein, for example, an adjustment range between 1000 mm and 1500 mm can be provided.
  • the partially assembled gas turbine 10 may be rotated by the drive means or the motor 64 of the first carriage 14a by 360 ° about the z-axis, so that the entire outer circumference of the gas turbine 10 is accessible for assembly work. As a result, the assembly work can be performed quickly, easily and ergonomically for the worker 50 concerned.
  • the gas turbine 10 can also be transported by means of the mounting system 12 as described above. With the help of the synchronization means 30, the two coupled guide carriage 14a, 14b thereby moved as a single vehicle, so that no tension occurs.
  • 21 shows a perspective view of the partially assembled gas turbine 10, wherein the holding device 34 according to the second exemplary embodiment is fastened to the core module 36 and the second guide carriage 14b is uncoupled from the connection module 18.
  • the gas turbine 10 is moved by means of the lifting devices 58 at least approximately in the upper position.
  • the U-shaped bottom element 72 of the holding device 34 is moved in an arc under the connection module 18 and placed in the position shown by folding away the rollers 62 on the floor.
  • the core module 36 is attached to the holding element 43 of the holding device 34 and the gas turbine 10 is lifted by the cylinder 40 at least so far that the second guide carriage 14b, in which the lifting device 58 has been moved to the non-extended or lowest position, are removed can.
  • the mounting ring 54 is removed again from the second engine component 16b.
  • FIG. 22 shows a perspective view of the partially assembled gas turbine 10, wherein a third engine component 16c is supplied by means of the guide carriage 15.
  • the third engine component 16c is an already preassembled fan module, which is aligned correctly with the z or turbine axis of the partially assembled gas turbine 10 in the manner described above.
  • the third engine component 16c is initially moved in the z-direction with the aid of the guide carriage 74 maximally forward, that is, away from the gas turbine 10 and aligned with the aid of the handwheels 44a-c.
  • the correct height of the gas turbine 10 is adjusted by the holding device 34 and the lifting device 58 of the first guide carriage 14a.
  • FIG. 23 shows a perspective view of the assembled gas turbine 10 with the retainer 34 removed and the third engine component 16c mounted.
  • the third engine component 16c is moved according to its correct orientation along the z-axis of the gas turbine 10 by means of guide slide-like adjustment means 74a in translation in the direction of the gas turbine 10 and, once the correct mounting position is reached, with the gas turbine 10 and the second Engine component 16b connected.
  • the relative spatial orientation of the third engine component 16c can additionally be adjusted via the rotary adjustment devices 74c-e.
  • the support rollers 76 are removed and the motor 64 pivoted outward to release the mounting ring 54 of the third engine component 16c.
  • the gas turbine 10 can now be rotated by 360 ° in order to carry out the required final work.
  • a transport of the gas turbine 10 by means of the mounting system 12 is also possible here. Disassembly of the gas turbine 10 can be carried out in accordance with the reverse manner.
  • the guide carriages 14a, 14b, 15 thus have engine mounts or holding frames 52 which are designed and mounted in such a way that oscillation of the gas turbine 10 about the x, y and z axes is or becomes possible.
  • the guide carriage 15 also has a translational degree of freedom along the z-axis. This allows the stress-free transporting, mounting, dismantling and maintenance of gas turbines 10 with flexible mounting units.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

L'invention concerne un chariot de guidage (15) pour un élément constitutif de réacteur (16c), en particulier un module de soufflante d'une turbine à gaz (10), lequel comprend un élément de base (75) sur lequel est agencé un dispositif porteur (77) destiné au maintien de l'élément constitutif de réacteur (16c), le dispositif porteur (77) pouvant être animé d'un mouvement de translation par rapport à l'élément de base (75) le long d'un axe longitudinal (z) de l'élément de base (75) au moyen d'un dispositif de réglage (74a). En outre, au moins un autre dispositif de réglage (74c-e) permet d'animer l'élément constitutif de réacteur (16c) d'un mouvement de rotation par rapport à l'élément de base (75) autour d'au moins un axe de rotation (cx, cy, cz).
PCT/DE2016/000293 2015-07-31 2016-08-01 Chariot de guidage pour un élément constitutif de réacteur WO2017020881A1 (fr)

Applications Claiming Priority (2)

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DE102015214669.3 2015-07-31
DE102015214669.3A DE102015214669B4 (de) 2015-07-31 2015-07-31 Führungswagen für ein Triebwerkbauteil

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WO2017020881A1 true WO2017020881A1 (fr) 2017-02-09

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US5816367A (en) 1995-11-30 1998-10-06 Stanley Aviation Corporation Jet aircraft engine transport apparatus
US6279309B1 (en) * 1998-09-24 2001-08-28 Ramgen Power Systems, Inc. Modular multi-part rail mounted engine assembly
EP1752409A2 (fr) * 2005-08-12 2007-02-14 United Technologies Corporation Dispositif d'assemblage avec quatre rails et procédé d'assemblage
GB2460419A (en) * 2008-05-29 2009-12-02 Rolls Royce Plc Transport cradle for a gas turbine engine
WO2011061306A1 (fr) * 2009-11-20 2011-05-26 Snecma Chariot de transport d'un module de moteur d'aeronef
US20120110816A1 (en) * 2010-11-08 2012-05-10 The Boeing Company Engine Loading System
EP2527605A1 (fr) * 2011-05-03 2012-11-28 Pratt & Whitney Canada Corp. Adaptateur de module de moteur à turbine à gaz pour support
GB2509229A (en) * 2013-11-19 2014-06-25 Rolls Royce Plc Gas turbine engine fan stand with hinged rotating frame

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Publication number Priority date Publication date Assignee Title
CN108528756A (zh) * 2017-12-15 2018-09-14 石家庄飞机工业有限责任公司 一种飞机发动机停放托架

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DE102015214669A1 (de) 2017-02-02

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