Arrangement of components in a fluid energy machine and assembly method

Abstract

An assembly method and an arrangement of components in a fluid energy machine, in particular a turbocompressor, with a longitudinal axis. The arrangement includes: an inner bundle to be arranged in an outer casing of the fluid energy machine, a low-pressure unit of the fluid energy machine, at least one cover of the fluid energy machine for the axial end-side closure of the outer casing on at least one end side, wherein these components are arranged axially adjacent to one another in the sequence cover, low-pressure unit, inner bundle and the cover is releasably attached to the low-pressure unit and the inner bundle is releasably attached to the low-pressure unit such that there results a transportable unit.

1 .- 13 . (canceled) 
     
     
         14 . An arrangement (A) of components of a fluid energy machine (FEM), with a longitudinal axis (X), comprising:
 an inner bundle (TB) for arrangement in an outer housing (OC) of the fluid energy machine (FEM),   a low-pressure insert (LPU) of the fluid energy machine (FEM),   at least one cover (COV) of the fluid energy machine (FEM) for the axial face-side closure of the outer housing (OC) at at least one face side, wherein the arrangement is designed such that, during assembly, the cover (COV) is led axially through the shell-like structure of the outer housing (OC) into an operationally ready final position, wherein, in said final position, the cover (COV) closes off the outer housing (OC) axially at the face side on one side,   wherein, following the insertion into the outer housing (OC), the cover (COV) comes to bear against a shoulder of the outer housing (OC) from the inside,   wherein said components are arranged axially adjacent in the sequence cover (COV), low-pressure insert (LPU), inner bundle (TB), and   wherein the cover (COV) is detachably fastened to the low-pressure insert (LPU) and the inner bundle (TB) is detachably fastened to the low-pressure insert (LPU) such that a transportable unit (TU) is formed.   
     
     
         15 . The arrangement (A) as claimed in  claim 14 ,
 wherein a high-pressure collector (COL) is arranged axially adjacent to the inner bundle (TB) and is detachably fastened to the inner bundle (TB), such that the transportable unit (TU) comprises the following modules in the stated axial sequence: cover (COV), low-pressure insert (LPU), inner bundle (TB), high-pressure collector (COL).   
     
     
         16 . The arrangement (A) as claimed in  claim 14 ,
 wherein the inner bundle (TB) is detachably fastened to the low-pressure insert (LPU) and the cover (COV) is detachably fastened to the low-pressure insert (LPU), or   the inner bundle (TB) is detachably fastened to the low-pressure insert (LPU) and the cover (COV) is detachably fastened to the low-pressure insert (LPU) and the high-pressure collector (COL) is detachably fastened to the inner bundle (TB) or the inner bundle (TB) is detachably fastened to the low-pressure insert (LPU) and the cover (COV) is fixed by way of a rotor (R), which is inserted into the inner bundle (TB) and secured there axially in a position, to the low-pressure insert (LPU) and the high-pressure collector (COL) is detachably fastened to the inner bundle (TB)   such that said components are in each case secured relative to one another so as to be prevented from being offset axially, radially and in a circumferential direction.   
     
     
         17 . The arrangement (A) as claimed in  claim 16 ,
 wherein a first attachment point (HP 1 ) is provided on the cover (COV) and a second attachment point (HP 2 ) is provided on the high-pressure collector (COL), and the elements cover (COV), low-pressure insert (LPU), inner bundle (TB), high-pressure collector (COL) are detachably fastened to one another such that the elements can be transported in suspended fashion, without being offset relative to one another, at the attachment points (HP 1 , HP 2 ) without further support.   
     
     
         18 . The arrangement (A) as claimed in  claim 14 , wherein the low-pressure insert (LPU) is formed in one piece, comprising a cover-side first flow contour (IGV 1 ), guide vanes (VA) and an inner-bundle-side second flow contour (IGV 2 ), wherein the cover (COV) is fastened to the first flow contour (IGV 1 ) and the inner bundle (TB) is fastened to the second flow contour (IGV 2 ). 
     
     
         19 . The arrangement (A) as claimed in  claim 14 , wherein the low-pressure insert (LPU) is of undivided form in the circumferential direction. 
     
     
         20 . The arrangement (A) as claimed in  claim 14 , wherein the inner bundle (TB) or axial inner bundle subsections (RS 1 , RS 2 , RS 3 ) of the inner bundle (TB) is/are formed so as to be divided in the circumferential direction at a parting joint. 
     
     
         21 . The arrangement (A) as claimed in  claim 15 , wherein the high-pressure collector (COL) is of undivided form in the circumferential direction. 
     
     
         22 . The arrangement (A) as claimed in  claim 15 ,
 wherein a rotor (R) extends along the longitudinal axis (X), and the components cover (COV), low-pressure insert (LPU), inner bundle (TB), high-pressure collector (COL) surround the rotor (R) in each case in ring-shaped fashion in the circumferential direction.   
     
     
         23 . The arrangement (A) as claimed in  claim 22 ,
 wherein the rotor (R) is supported and fastened radially on the cover (COV) by way of a first mounting sleeve (AS 1 ).   
     
     
         24 . The arrangement (A) as claimed in  claim 22 ,
 wherein the inner bundle (IB) is detachably fastened to the low-pressure insert (LPU) and the cover (COV) is detachably fastened to the low-pressure insert (LPU), or   the inner bundle (IB) is detachably fastened to the low-pressure insert (LPU) and the cover (COV) is detachably fastened to the low-pressure insert (LPU) and the high-pressure collector (COL) is detachably fastened to the inner bundle (IB) or the inner bundle (IB) is detachably fastened to the low-pressure insert (LPU) and the cover (COV) is fixed by way of a rotor (R), which is inserted into the inner bundle (IB) and secured there axially in a position, to the low-pressure insert (LPU) and the high-pressure collector (COL) is detachably fastened to the inner bundle (IB)   such that said components are in each case secured relative to one another so as to be prevented from being offset axially, radially and in a circumferential direction; and   wherein the rotor (R) is radially supported and fastened on the high-pressure collector (COL) by way of a second mounting sleeve (AS 2 ).   
     
     
         25 . The arrangement (A) as claimed in  claim 23 ,
 wherein the rotor (R) is fastened axially unidirectionally and/or bidirectionally by way of the first mounting sleeve (AS 1 ) and/or by way of the second mounting sleeve (AS 2 ).   
     
     
         26 . A method for assembling an arrangement (A) as claimed in  claim 14 , the method comprising:
 a) providing an inner bundle lower part (IBL),   b) inserting a rotor (R) into the inner bundle lower part (IBL),   c) placing on an inner bundle upper part (IBO),   d) fastening the inner bundle upper part (IBO) to the inner bundle lower part (IBL) to form an inner bundle (IB),   e) axially attaching a low-pressure insert (LPU) to the inner bundle (IB),   axially attaching a cover (COV) to the low-pressure insert (LPU) and interposing a first mounting sleeve (AS 1 ) between the rotor (R) and the cover (COV),   axially attaching the outlet collector (COL) to the inner bundle (TB) and interposing a second mounting sleeve (AS 2 ) between the rotor (R) and the high-pressure collector (COL),   wherein the first mounting sleeve (AS 1 ) and the second mounting sleeve (AS 2 ) of the cover (COV) and of the high-pressure collector (COL) respectively can be mounted and dismounted, in each case from the axial side axially averted from the inner bundle (TB), between the rotor (R) and the cover (COV) and between the rotor (R) and the high-pressure collector (COL) respectively,   wherein the assembly composed of the inner bundle (TB), the low-pressure insert (LPU), the cover (COV), the high-pressure collector (COL) and the rotor (R) with the two mounting sleeves (AS 1 , AS 2 ) forms a transportable unit (TU),   f) axially inserting the transportable unit (TU) into an outer housing shell (OCC) of an outer housing (OC), wherein here, the cover (COV) is led axially through the shell-like structure of the outer housing (OC) into a final position,   wherein, following the insertion into the outer housing (OC), the cover (COV) comes to bear against a shoulder of the outer housing (OC) from the inside,   g) removing the mounting sleeves (AS 1 , AS 2 ).   
     
     
         27 . The arrangement (A) as claimed in  claim 14 ,
 wherein the fluid energy machine (FEM) comprises a turbocompressor (TCO).