CN203756757U - Bearing base for rotor and gas turbine rotor assembly - Google Patents
Bearing base for rotor and gas turbine rotor assembly Download PDFInfo
- Publication number
- CN203756757U CN203756757U CN201420083432.9U CN201420083432U CN203756757U CN 203756757 U CN203756757 U CN 203756757U CN 201420083432 U CN201420083432 U CN 201420083432U CN 203756757 U CN203756757 U CN 203756757U
- Authority
- CN
- China
- Prior art keywords
- bearing
- cylindrical shell
- annular boss
- rotor
- hole
- 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.)
- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 claims description 41
- 238000010168 coupling process Methods 0.000 claims description 41
- 238000005859 coupling reaction Methods 0.000 claims description 41
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
Abstract
The utility model relates to the field of mechanical part equipment, and particularly relates to a rotor auxiliary part. The utility model provides a bearing base for a rotor on the one hand. The bearing base is provided with a bearing supporting hole and comprises a mouse cage base and a protecting sleeve arranged on the mouse cage base in a sleeving manner, wherein the mouse cage base comprises a first barrel as well as a first annular lug boss and a second annular lug boss which are outward extended from the two ends of the first barrel in the radial direction; the bearing supporting hole is a through hole formed in the second annular lug boss, the bearing supporting hole and the first barrel are arranged in a coaxial line, the protecting sleeve comprises a second barrel arranged on the first barrel in a sleeving manner and a third annular lug boss which is outward extended from one end of the second barrel in the radial direction, and the third annular lug boss and the first annular lug boss are fixedly connected in a dismountable manner; the bearing base is low in replacement cost when being damaged. The utility model provides a gas turbine rotor assembly comprising the bearing base on the other hand. The gas turbine rotor assembly provided by the utility model is low in operation cost, and further the operation cost of a gas turbine can be reduced.
Description
Technical field
The utility model relates to mechanical part apparatus field, relates to concretely a kind of rotor appurtenances, is a kind of bearing support for rotor more specifically, and relates to a kind of gas turbine rotor.
Background technique
Bearing support is for block bearing, and bearing is for rotating body for supporting, therefore whole rotating machinery is stable closely related with bearing support.Especially in gas turbine for example, the rotor of gas turbine is a kind of parts of high speed rotating, and bearing plays fixing and rotating body for supporting, reduces the effect of load friction factor in this high-speed rotating machine rotation process, and antiwhip depends on bearing support.Therefore, the reliable bearing support design of the light and structural stability of quality is very important.And in the time that damaging appears in bearing support, must change bearing support to guarantee the stable operation of bearing, solid of rotation and even whole rotating machinery.The cost of the replacing bearing support relating to thus can improve the operating cost of whole rotating machinery.
General bearing support has for bearing bearing hole block bearing, stair-stepping.Utility model patent CN103115073A discloses a kind of tillage machine bevel gear and has rotated integral shaft bearing.It comprises that plate-like bearing support is provided with bearing mounting hole, and bearing support is provided with bearing mounting hole (being above-mentioned bearing bearing hole), and the central axis of two groups of bearing mounting holes intersects.But necessary integral replacing when this bearing support is integrated part so that changes, and quality is larger.
Utility model patent 101812658A discloses the dual cement protection technique in a kind of bearing outer ring of squirrel-cage elasticity support processing, and wherein bearing outer ring of squirrel-cage elasticity support has raceway, plays strutbeam and end-face hole, plays strutbeam and is configured to squirrel-cage shaped.Can understand, the structure of this bearing outer ring of squirrel-cage elasticity support is the design to bearing outer ring, bearing support is not made to improvement.
Model utility content
For the problem existing in correlation technique, the purpose of this utility model is to provide a kind of bearing support for rotor that can reduce its replacement cost in the time that it occurs damage, and a kind of gas turbine rotor assembly.
For achieving the above object, the utility model provides a kind of bearing support for rotor on the one hand, is provided with bearing bearing hole; Comprise: mouse cage seat, mouse cage seat comprises the first cylindrical shell and the first annular boss and the second annular boss that are extended radially outwardly out by the first cylindrical shell two ends respectively, bearing bearing hole be arranged on through hole in the second annular boss and with the first cylindrical shell coaxial line; Be set in the protecting jacket on mouse cage seat, protecting jacket comprises the second cylindrical shell being socketed on the first cylindrical shell and the 3rd annular boss being extended radially outwardly out by second cylindrical shell one end, and the 3rd annular boss is fixedly connected with removably with the first annular boss.
According to the utility model, between the first annular boss and the 3rd annular boss and between the other end and the second annular boss of the second cylindrical shell, the mode all coordinating with male half coupling and recessed seam is located.
According to the utility model, on the first annular boss, be provided with the first male half coupling, on the 3rd annular boss, be provided with the first recessed seam, wherein, the face of being fitted to each other of the first male half coupling and the first recessed seam comprises: perpendicular to the axial vertical surface of bearing bearing hole be parallel to axial horizontal plane.
According to the utility model, on the second annular boss, be provided with the second recessed seam, the inner peripheral surface of the other end of the second cylindrical shell is provided with the second male half coupling, and the face of being fitted to each other of the second male half coupling and the second recessed seam comprises: perpendicular to the axial vertical surface of bearing bearing hole be parallel to axial horizontal plane.
According to the utility model, the root place that the first annular boss is crossing with the first cylindrical shell, is provided with around the annular groove of the first cylindrical shell, and the outer circumferential face of the inner peripheral surface of annular groove and the first cylindrical shell is tangent.
According to the utility model, on the perisporium of the first cylindrical shell, be provided with at least one hole, hole is through hole.
According to the utility model, also comprise: oil inlet pipe, be plugged on the second cylindrical shell of protecting jacket, and the outlet end of oil inlet pipe stretches in bearing bearing hole; Be located at the drainback passage in mouse cage seat, one end of drainback passage is communicated in bearing bearing hole, and the other end is communicated in the oil back chamber forming between the periphery wall of mouse cage seat and the inner circle wall of protecting jacket; Return tube, one end of return tube is communicated in oil back chamber, and the other end stretches out from the second cylindrical shell of protecting jacket.
According to the utility model, mouse cage seat is also provided with: on the end face of one end contrary with the first cylindrical shell of the first annular boss, be formed with extended the 3rd male half coupling of axial direction along the first cylindrical shell.
According to the utility model, mouse cage seat and protecting jacket are respectively global formation part.
The utility model provides a kind of gas turbine rotor assembly on the other hand, has rotor, comprises the bearing support of above-mentioned any one for rotor, and rotor supports is arranged in the bearing of bearing support.
Than prior art, the beneficial effects of the utility model are:
Bearing support for rotor of the present utility model is made up of mouse cage seat and protecting jacket, and when one of the mouse cage seat in this bearing support and protecting jacket damage, it needs to change a part of damaging, and without by bearing support integral replacing.Thus, reduce the replacement cost of bearing support in the time damaging, thereby reduced the operating cost of the whole rotating machinery with this bearing support.
Bearing support for rotor of the present utility model further arranges porosely on mouse cage seat, can alleviate the weight of mouse cage seat, and then alleviate the weight of bearing support.In addition; locate by the mode coordinating with male half coupling and recessed seam between the first annular boss and the 3rd annular boss and between the other end of the second cylindrical shell and the second annular boss; mouse cage seat is connected reliably with protecting jacket, and then makes the structural stability of bearing support reliable.
Gas turbine rotor assembly of the present utility model, thus corresponding technique effect there is owing to thering is the aforementioned arbitrary bearing support of the utility model.
Brief description of the drawings
Fig. 1 is embodiment of the bearing support for rotor of the present utility model and the assembling schematic diagram of bearing;
Fig. 2 is the plan view of the mouse cage seat in the bearing support that illustrates of Fig. 1;
Fig. 3 is the sectional view of the mouse cage seat that illustrates of Fig. 2;
Fig. 4 is the left view of the mouse cage seat that illustrates of Fig. 2;
Fig. 5 is the stereogram of the mouse cage seat that illustrates of Fig. 2;
Fig. 6 is the plan view of the protecting jacket in the bearing support that illustrates of Fig. 1;
Fig. 7 is the sectional view of the protecting jacket that illustrates of Fig. 6;
Fig. 8 is the left view of the protecting jacket that illustrates of Fig. 6;
Fig. 9 is the stereogram of the protecting jacket that illustrates of Fig. 6;
Figure 10 is the structural representation of protecting jacket, oil inlet pipe and return tube in the bearing support that illustrates of Fig. 1;
In accompanying drawing:
1 first cylindrical shell;
2 first annular boss;
3 second annular boss;
4 second cylindrical shells;
5 the 3rd annular boss;
6 holes;
7 rectangular openings;
8 semi-circular hole;
9 second recessed seams;
10 second male half couplings;
11 annular grooves;
12 bearing bearing hole;
13 oil inlet pipes;
14 drainback passages;
15 oil back chambers;
16 return tubes;
17 the 3rd male half couplings;
121 first circular holes;
122 second circular holes;
123 the 3rd circular holes;
124 annular surfaces.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described.
With reference to Fig. 1, an embodiment of the bearing support for rotor of the present utility model, it is provided with bearing bearing hole 12, and comprises mouse cage seat and be set in the protecting jacket on mouse cage seat.Wherein, mouse cage seat comprises the first cylindrical shell 1 and the first annular boss 2 and the second annular boss 3 that are extended radially outwardly out by the first cylindrical shell 1 two ends respectively, bearing bearing hole 12 for be arranged on through hole in the second annular boss 3 and with the first cylindrical shell coaxial line.Protecting jacket comprises that the second cylindrical shell 4 being socketed on the first cylindrical shell 1 and the 3rd annular boss 5, the three annular boss 5 that extended radially outwardly out by second cylindrical shell 4 one end are fixedly connected with removably with the first annular boss 2.
When one of mouse cage seat in above-mentioned bearing support and protecting jacket damage, it needs to change a part of damaging, and without by bearing support integral replacing.Thus, reduce the replacement cost of bearing support in the time damaging, thereby reduced the operating cost of the whole rotating machinery with this bearing support.
Continue with reference to Fig. 1, in the present embodiment, be provided with at least one hole 6 on the perisporium of the first cylindrical shell 1, thus, the hole arranging on mouse cage seat can alleviate the weight of mouse cage seat, and then alleviates the weight of bearing support.
With further reference to Fig. 1, between the first annular boss 2 and the 3rd annular boss 5 and between the other end and the second annular boss 3 of the second cylindrical shell 4, the mode all coordinating with male half coupling and recessed seam is located.Locate by the mode coordinating with male half coupling and recessed seam between above-mentioned the first annular boss 2 and the 3rd annular boss 5 and between the other end of the second cylindrical shell 4 and the second annular boss 3; mouse cage seat is connected reliably with protecting jacket, and then makes the structural stability of bearing support reliable.
Can understand with reference to Fig. 2 to Fig. 5, in the present embodiment, the first cylindrical shell 1 is circular cylinder body, and its cross section perpendicular to axis is ring.The first annular boss 2 is extended radially outwardly out by one end of the first cylindrical shell 1, in other words, the first annular boss 2 is connected in one end of the first cylindrical shell 1, and the outer diameter of the first annular boss 2 is greater than the outer diameter of the first cylindrical shell 1, the first annular boss 2 is outwardly with respect to the outer circumferential face of the first cylindrical shell 1.The second annular boss 3 is extended radially outwardly out by the other end of the first cylindrical shell 1, in other words, the second annular boss 3 is connected in one end contrary with the first annular boss 2 of the first cylindrical shell 1, and the outer diameter of the second annular boss 3 is greater than the outer diameter of the first cylindrical shell 1, the second annular boss 3 is outwardly with respect to the outer circumferential face of the first cylindrical shell 1.Wherein, it is upwards " outwards " by the direction of the barrel of orientation of its axis first cylindrical shell 1 of the first cylindrical shell 1 taking footpath.In addition, in the present embodiment, the cross section perpendicular to its axis of the first annular boss 2 be shaped as annulus, the cross section perpendicular to its axis of the second annular boss 3 be shaped as annulus.Certainly,, in embodiment alternatively, the first annular boss 2 and the second annular boss 3 also can be by the multiple protruding loopings being interrupted.In other words, the first annular boss 2 and the second annular boss 3 can be the boss of continuously or intermittently looping.In addition, in the present embodiment, the axis of the axis of the first cylindrical shell 1, the first annular boss 2 and the dead in line of the second annular boss 3.
Continue with reference to Fig. 2 to Fig. 5, in the present embodiment, be provided with at least two holes 6, and hole 6 is through hole, hole 6, for to run through first inner circle wall of cylindrical shell 1 and the through hole of periphery wall, can be understood, and the first cylindrical shell 1 between two adjacent through holes forms a pillar.Further, each hole 6 is made up of rectangular opening 7 and two semi-circular hole 8, and two semi-circular hole 8 are connected in the relative both sides of rectangular opening 7, and both sides are that rectangular opening 7 is along the relative both sides of the axial direction of the first cylindrical shell 1 relatively.And the diameter of semi-circular hole equals the length of side on above-mentioned both sides.The stress that thus, can reduce each above-mentioned strut ends is concentrated.In addition, in the present embodiment, at least two holes 6 are arranged equably around the axis of described the first cylindrical shell 1, so that mouse cage seat is in use more stable, and then make the structural stability of bearing support reliable.
With further reference to Fig. 2 to Fig. 5, in the present embodiment, the root place that the first annular boss 2 is crossing with the first cylindrical shell 1, is provided with the annular groove 11 around the first cylindrical shell 1, and the outer circumferential face of the inner peripheral surface of annular groove 11 and the first cylindrical shell 1 is tangent.In other words, annular groove 11 around the outer circumferential face of the first cylindrical shell 1 by the end face of the first annular boss 2 to extending recessed setting away from the direction of the first cylindrical shell 1.Can alleviate thus the weight of mouse cage seat, and then alleviate the weight of bearing support.Preferably, the cross section of annular groove 11 is semicircle, and the stress that can reduce thus above-mentioned root place is concentrated.In addition, can understand, in the present embodiment, annular groove 11 is continuous grooves, and at other alternatively in embodiment, annular groove 11 also can be by isolated multiple groove loopings.
In addition, as shown in Figure 3, can understand in the present embodiment, bearing bearing hole 12 is arranged on the end face away from the first cylindrical shell 1 of the second annular boss 3, and end face is arranged to steppedly to extending near the direction of the first cylindrical shell 1 thus, is arranged in the second annular boss 3 and connects the second annular boss 3 to form bearing bearing hole 12.In addition this stair-stepping bearing bearing hole 12 and the first cylindrical shell 1 coaxial line.Particularly, along the direction near the first cylindrical shell 1 by above-mentioned end face, set gradually the first circular hole 121, the second circular hole 122 and the 3rd circular hole 123, the diameter of the first circular hole 121 is greater than the diameter of the second circular hole 122, the diameter of the second circular hole 122 is greater than the diameter of the 3rd circular hole 123, forms thus stepped.Bearing is installed in the second circular hole 122, the effect that the second circular hole 122 and the 3rd circular hole 123 play location and support bearing due to the annular surface 124 of the poor formation of its diameter.Can understand, the part of offering the first circular hole 121, the second circular hole 122 and the 3rd circular hole 123 on mouse cage seat forms bearing position structure, bearing is played the effect of location.Alternatively, hole 6 is interval in above-mentioned bearing position structure, ensures that hole 6 has certain distance near edge and the above-mentioned annular surface 124 of the second annular boss 3, to ensure the intensity to bearing supporting.
Can understand with reference to Fig. 6 to Fig. 9, in the present embodiment, the second cylindrical shell 4 is circular cylinder body, and its cross section perpendicular to axis is ring.The 3rd annular boss 5 is extended radially outwardly out by one end of the second cylindrical shell 4, in other words, the 3rd annular boss 5 is connected in one end of the second cylindrical shell 4, and the outer diameter of the 3rd annular boss 5 is greater than the outer diameter of the second cylindrical shell 4, the 3rd annular boss 5 is outwardly with respect to the outer circumferential face of the second cylindrical shell 4.Wherein, it is upwards " outwards " by the direction of the barrel of orientation of its axis second cylindrical shell 4 of the second cylindrical shell 4 taking footpath.In addition the dead in line of the axis of the 3rd annular boss 5 and the second cylindrical shell 4.
Comprehensively, referring to figs. 1 through Fig. 9, in the present embodiment, the 3rd annular boss 5 is fixedly connected with removably by bolt with the first annular boss 2, between the first annular boss 2 and the 3rd annular boss 5, can adopt bolt mode fastening.Particularly, on the 3rd annular boss 5 and the first annular boss 2, through hole is set respectively, the through hole passing on the two by bolt connects the two, and then mouse cage seat is fixedly connected with to a bearing support of formation with protecting jacket.Above-mentioned means of fixation both can make mouse cage seat and protecting jacket tighten together well, can reduce again vibration.In addition, be above-mentionedly fixedly connected with the coarse positioning of having realized mouse cage seat and protecting jacket, and by following structure, realized the accurate location of mouse cage seat and protecting jacket.
On the first annular boss 1, be provided with the first male half coupling 7, on the 3rd annular boss 5, be provided with the first recessed seam 8, wherein, the face of being fitted to each other of the first male half coupling 7 and the first recessed seam 8 comprises: perpendicular to the axial vertical surface of bearing bearing hole 12 be parallel to axial horizontal plane.Realizing thus the mode coordinating with male half coupling and recessed seam between the first annular boss 2 and the 3rd annular boss 5 locates.
Particularly, the projection of the first male half coupling 7 for being extended radially outwardly out by the outer circumferential face of the first annular boss 1, can understand, in the present embodiment, projection is the first annular projection around the first annular boss 1 outer circumferential face, and the thickness vertically of this first annular projection and the first annular boss 1 intersection equals the axial thickness of the first annular boss 1, make this first annular projection and the first annular boss 1 in the drawings None-identified go out the two boundary.Certainly, the structure of the first male half coupling 7 is not limited to this, in other embodiments alternatively, the first male half coupling 7 can be only one by the outstanding projection of the first annular boss 1 radially outward, or the first annular projection forming forms ring-type by isolated multiple projections.
The first annular recess in the end face setting away from the second cylindrical shell 4 of the 3rd annular boss 5 around the axis of the 3rd annular boss 5, this first annular recess runs through the inner peripheral surface of the 3rd annular boss 5 and is interval in the outer circumferential face of the 3rd annular boss 5, do not run through the outer circumferential face of the 3rd annular boss 5, form the second recessed seam 9.Certainly, can understand, the second recessed seam 9 is not limited to said structure, in the time that the first male half coupling 7 is a projection, or when the annular projection being formed by multiple projections, the second recessed seam 9 is set to a correspondingly groove coordinating with above-mentioned projection, or is set to the multiple grooves that match with the annular projection of above-mentioned multiple projections formations, can as long as can realize the mode positioning instant coordinating with male half coupling and recessed seam.
Further, in the present embodiment, as the outer circumferential face of the first annular projection of the first male half coupling 7 against the inner peripheral surface of the first annular recess as the first recessed seam 8 mutually against coordinating to realize in the first annular boss 2 location in the radial direction, above-mentioned outer circumferential face and inner peripheral surface are the axial horizontal plane of parallel bearing bearing hole.The close end face of the first cylindrical shell 1 of the first annular projection and the bottom land of the first annular recess surface are mutually against coordinating to realize the location on the first annular boss 2 axial directions, and above-mentioned end face and bottom land surface are the axial vertical surface perpendicular to bearing bearing hole.Thus, above-mentioned two horizontal planes and two faces that are fitted to each other that vertical surface is the first male half coupling 7 and the first recessed seam 8.
On the second annular boss 3, be provided with the second recessed seam 9, the face of being fitted to each other that is provided with the second male half coupling 10, the second male half couplings 10 and the second recessed seam 9 at the inner peripheral surface of the other end of the second cylindrical shell 4 (on the second cylindrical shell 4 away from one end of the 3rd annular boss) comprises: perpendicular to the axial vertical surface of bearing bearing hole 12 be parallel to axial horizontal plane.Realizing thus the mode coordinating with male half coupling and recessed seam between the other end of the second cylindrical shell 4 and the second annular boss 3 locates.
Particularly, at the outer circumferential face of the second annular boss 3, the second annular recess is set, this second annular recess is the continuous annular groove arranging around the axis of the second annular boss 3, and this second annular recess opens wide away from an end margin of the first cylindrical shell 1 on the second annular boss 3, and be interval in the other end margin (near the edge of one end of the first cylindrical shell 1) of the second annular boss 3, do not open wide to an other end margin.Also can understand, form stepped at the outer circumferential face of the second annular boss 3.Thus, this second annular recess forms the second recessed seam 9.Certainly, the structure of the second recessed seam 9 is not limited to this.In other optional embodiments, the second annular recess also can be for to be made up of the depression of multiple spaced apart settings of axis around the second annular boss 3, the plurality of depression forms ring-type, and each depression is opened wide away from an end margin of the first cylindrical shell 1 on the second annular boss 3.Or, the second recessed seam 9 can be only for being arranged on the outer circumferential face of the second annular boss 9 and to the unlimited groove of an end margin away from the first cylindrical shell 1 on the second annular boss 3.
Inner peripheral surface at the other end of the second cylindrical shell 4 is provided with the second annular projection extending radially inwardly, and this second annular projection, around the axis setting of the second cylindrical shell 4, forms the second male half coupling 10.In the present embodiment, the second annular projection is continuous annular protrusion.Certainly, the structure of the second male half coupling 10 is not limited to this, in other embodiments alternatively, the second male half coupling 10 can be only one by radially inside outstanding projection of the second cylindrical shell 4, or the first annular projection forming forms ring-type by isolated multiple projections.Can understand, the setting of the second male half coupling 10 matches with the second recessed seam 9, can realize the mode positioning instant coordinating with male half coupling and recessed seam.
Further, in the present embodiment, as the inner peripheral surface of the second annular projection of the second male half coupling 10 against the bottom land surface of the second annular recess as the second recessed seam 9 mutually against coordinating to realize in the second annular boss 3 location in the radial direction, above-mentioned inner peripheral surface and bottom land surface are the axial horizontal plane of parallel bearing bearing hole 12.The close end face of the second cylindrical shell 4 of the second annular projection and the sidewall of the second annular recess are mutually against coordinating to realize the location on the second annular boss 3 axial directions, and above-mentioned end face and sidewall are the axial vertical surface perpendicular to bearing bearing hole.Thus, above-mentioned two horizontal planes and two vertical surfaces are as the face that is fitted to each other of the second male half coupling 10 and the second recessed seam 9.
To sum up; by between the first annular boss 2 and the 3rd annular boss 5 and between the other end and the second annular boss 3 of the second cylindrical shell 4; the mode all coordinating with male half coupling and recessed seam is located, and has realized the accurate location of mouse cage seat and protecting jacket, and then has made the structural stability of bearing support reliable.
Continue with reference to Fig. 1 and Figure 10, in the present embodiment, bearing support also comprises oil inlet pipe 13, is located at drainback passage 14 and return tube 16 in mouse cage seat.Wherein, oil inlet pipe 13 is plugged on the second cylindrical shell 4 of protecting jacket, and enters in bearing bearing hole 12 through the first cylindrical shell 1, so that the outlet end of oil inlet pipe 13 stretches in bearing bearing hole 12.Thus, can be by oil inlet pipe 13 to the bearing make-up oil that is positioned at bearing bearing hole 12.Drainback passage 14 is opened on the bearing position structure of mouse cage seat particularly, and one end of drainback passage 14 is communicated in bearing bearing hole 12, and the other end of drainback passage 14 is communicated in the oil back chamber 15 forming between the periphery wall of mouse cage seat and the inner circle wall of protecting jacket.Thus, the lubricant oil in bearing bearing hole can be imported in oil back chamber 15.Return tube 16 is plugged on the second cylindrical shell 4 of protecting jacket, and one end of return tube 16 is communicated in oil back chamber 15, and the other end of return tube 16 stretches out from the second cylindrical shell 4 of protecting jacket, thus, the lubricant oil in oil back chamber 15 can be derived to bearing support.Alternatively, the setting of drainback passage 14, return tube 16 and oil inlet pipe 13, ensure in the time that bearing support uses, oil inlet pipe 13 is positioned at top, lubricant oil is wherein entered in bearing bearing hole 12 by self gravitation, drainback passage 14 and return tube 16 are positioned at below, and lubricant oil is discharged through drainback passage 14 and return tube 16 by bearing bearing hole 12 by self gravitation.
Thus, protecting jacket can temporarily hold the lubricant oil of backflow, and due to the accurate location between protecting jacket and mouse cage seat, makes bearing support have good oil sealing effect.
In addition, in the present embodiment, mouse cage seat and protecting jacket are respectively global formation part, can make thus the structure of bearing support more solid and reliable.
Preferably, mouse cage seat is also provided with: on the end face of one end contrary with the first cylindrical shell 1 of the first annular boss 2, be formed with extended the 3rd male half coupling 17 of axial direction along the first cylindrical shell 1.In the present embodiment, the 3rd male half coupling 17 is the annular protrusion forming around the axis of the first cylindrical shell 1, and this annular protrusion by the end face of one end contrary with the first cylindrical shell 1 of the 3rd annular boss 2 to extending away from the direction of the first cylindrical shell 1.
An embodiment of gas turbine rotor assembly of the present utility model, has the bearing support for rotor shown in rotor, Fig. 1.Wherein, rotor supports is arranged in the bearing of bearing support.In other words, in the present embodiment, bearings is in the bearing hole 12 of the bearing support shown in Fig. 1, and rotor supports is in this bearing.When bearing support wherein damages in the process of operation, only need mouse cage seat or the protecting jacket of damage to change separately, and do not need to change whole bearing support, reduced thus the operating cost of this gas turbine rotor assembly, and then reduced the operating cost of gas turbine.
In addition, the 3rd male half coupling 17 of bearing support coordinates with the stator in combustion gas wheel, and further this bearing support is connected with stator by the bolt that connects the first annular boss 2 and the 3rd annular boss 5.Bearing support of the present utility model is in gas turbine, and the parts that can be high speed rotating provide reliable firm supporting.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. for a bearing support for rotor, be provided with bearing bearing hole (12);
It is characterized in that, comprising:
Mouse cage seat, described mouse cage seat comprises the first cylindrical shell (1) and the first annular boss (2) and the second annular boss (3) that are extended radially outwardly out by described the first cylindrical shell (1) two ends respectively, described bearing bearing hole (12) for be arranged on through hole in described the second annular boss (3) and with described the first cylindrical shell (1) coaxial line;
Be set in the protecting jacket on described mouse cage seat; described protecting jacket comprises the second cylindrical shell (4) being socketed on described the first cylindrical shell (1) and the 3rd annular boss (5) being extended radially outwardly out by described the second cylindrical shell (4) one end, and described the 3rd annular boss (5) is fixedly connected with removably with described the first annular boss (2).
2. the bearing support for rotor according to claim 1, is characterized in that,
Between described the first annular boss (2) and described the 3rd annular boss (5) and between the other end and described the second annular boss (3) of described the second cylindrical shell (4), the mode all coordinating with male half coupling and recessed seam is located.
3. the bearing support for rotor according to claim 2, is characterized in that,
On described the first annular boss (2), be provided with the first male half coupling (7), on described the 3rd annular boss (5), be provided with the first recessed seam (8),
Wherein, the face of being fitted to each other of described the first male half coupling (7) and described the first recessed seam (8) comprising: perpendicular to the axial vertical surface of described bearing bearing hole (12) be parallel to described axial horizontal plane.
4. according to the bearing support for rotor described in claim 2 or 3, it is characterized in that,
On described the second annular boss (3), be provided with the second recessed seam (9), the inner peripheral surface of the described the other end of described the second cylindrical shell (4) is provided with the second male half coupling (10),
The face of being fitted to each other of described the second male half coupling (10) and described the second recessed seam (9) comprising: perpendicular to the axial vertical surface of described bearing bearing hole (12) be parallel to described axial horizontal plane.
5. the bearing support for rotor according to claim 1, is characterized in that,
The root place that described the first annular boss (2) is crossing with described the first cylindrical shell (1), is provided with the annular groove (11) around described the first cylindrical shell (1), and the outer circumferential face of the inner peripheral surface of described annular groove (11) and described the first cylindrical shell (1) is tangent.
6. the bearing support for rotor according to claim 1, is characterized in that, is provided with at least one hole (6) on the perisporium of described the first cylindrical shell (1), and described hole (6) are through hole.
7. according to the bearing support for rotor described in any one in claim 1-2, it is characterized in that, also comprise:
Oil inlet pipe (13), described the second cylindrical shell (4) that is plugged on described protecting jacket is upper, and the outlet end of described oil inlet pipe (13) stretches in described bearing bearing hole (12);
Be located at the drainback passage (14) in described mouse cage seat, one end of described drainback passage (14) is communicated in described bearing bearing hole (12), and the other end is communicated in the oil back chamber (15) forming between the periphery wall of described mouse cage seat and the inner circle wall of described protecting jacket;
Return tube (16), one end of described return tube (16) is communicated in described oil back chamber (15), and the other end stretches out from described second cylindrical shell (4) of described protecting jacket.
8. the bearing support for rotor according to claim 1, is characterized in that,
Described mouse cage seat is also provided with: on the end face of one end contrary with described the first cylindrical shell (1) of described the first annular boss (2), be formed with extended the 3rd male half coupling (17) of axial direction along described the first cylindrical shell (1).
9. according to the bearing support for rotor described in any one in claim 1-2, it is characterized in that,
Described mouse cage seat and described protecting jacket are respectively global formation part.
10. a gas turbine rotor assembly, has rotor, it is characterized in that, comprises the bearing support for rotor described in any one in claim 1-9, and described rotor supports is arranged in the bearing of described bearing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083432.9U CN203756757U (en) | 2014-02-26 | 2014-02-26 | Bearing base for rotor and gas turbine rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083432.9U CN203756757U (en) | 2014-02-26 | 2014-02-26 | Bearing base for rotor and gas turbine rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756757U true CN203756757U (en) | 2014-08-06 |
Family
ID=51252038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420083432.9U Expired - Lifetime CN203756757U (en) | 2014-02-26 | 2014-02-26 | Bearing base for rotor and gas turbine rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756757U (en) |
-
2014
- 2014-02-26 CN CN201420083432.9U patent/CN203756757U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102044173B1 (en) | Axial bearing arrangement | |
| US20070003175A1 (en) | Turbocharger bearing and associated components | |
| CN102444437B (en) | For the device of the turbine cylinder that aligns | |
| CN105705843A (en) | Shaft seal assembly | |
| US20160201727A1 (en) | Bearing assembly support | |
| CN205714291U (en) | The turbine multi-stage rotor parts of aero-engine and aero-engine | |
| RU2011133198A (en) | SHOULDER WITH VARIABLE INSTALLATION ANGLE FOR STATOR STAGE, INCLUDING A NON-ROUND INTERNAL SHELF | |
| CN204083753U (en) | Shield machine centre revolving joint | |
| US20150260042A1 (en) | Axial Flow Machine | |
| RU2013151608A (en) | SUSPENSION OF A COLD CHANNEL FLOW OF A TURBOJET ENGINE ON THE EXHAUST HOUSING WITH THE USE OF DRAWERS AND RADIAL FORKS | |
| CN104329556B (en) | Shield machine centre revolving joint | |
| RU2012112413A (en) | ROTATING NOZZLE MODULE | |
| CN103867651A (en) | Herringbone-tooth star-shaped transmission device | |
| CN102788113A (en) | Squeeze film damper for transmission shafting | |
| US20120070269A1 (en) | Steam turbine | |
| CN105658968B (en) | Rotating machinery | |
| RU2429351C2 (en) | Rotor unit, stator unit and comprising such units steam turbine | |
| CN103850721A (en) | Turbomachine diaphragm ring with packing retainment apparatus | |
| CN203756757U (en) | Bearing base for rotor and gas turbine rotor assembly | |
| CN104929779A (en) | Turbine disk connecting structure and gas turbine engine with same | |
| US20210231029A1 (en) | Bearing device and turbocharger | |
| CN205701855U (en) | A kind of backing roll | |
| JP6370933B2 (en) | Floating bush bearing device and supercharger provided with the same | |
| CN105324554B (en) | axial flow expander | |
| RU2013150874A (en) | RADIAL FIXING AND POSITIONING FLANGES FOR AXIAL TURBINE COMPRESSOR HOUSING Shells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170320 Address after: 201406 Fengxian District, South Town, Shanghai Yang Wang Industrial Park, Yong Yang Road, No. 228 Patentee after: SHANGHAI FANZHI ENERGY EQUIPMENT CO.,LTD. Address before: The 065001 Hebei economic and Technological Development Zone of Langfang Huaxiang new Austrian Science and Technology Park in the Southern District of B City Patentee before: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201406 No. 228, Yong Yang Road, Yang Wang Industrial Park, South Bridge Town, Fengxian District, Shanghai Patentee after: ENN ENERGY POWER TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: 201406 No. 228, Yong Yang Road, Yang Wang Industrial Park, South Bridge Town, Fengxian District, Shanghai Patentee before: SHANGHAI FANZHI ENERGY EQUIPMENT CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |