CN203867763U - Telescopic wedge-shaped blade brake-stage stator and rotor assembly - Google Patents
Telescopic wedge-shaped blade brake-stage stator and rotor assembly Download PDFInfo
- Publication number
- CN203867763U CN203867763U CN201420269284.XU CN201420269284U CN203867763U CN 203867763 U CN203867763 U CN 203867763U CN 201420269284 U CN201420269284 U CN 201420269284U CN 203867763 U CN203867763 U CN 203867763U
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- rotor
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- blade
- stator vane
- rotor blade
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model provides a telescopic wedge-shaped blade brake-stage stator and rotor assembly which comprises a stator and a rotor. The central axis of the stator and the central axis of the rotor are collinear. The stator comprises a stator body, stator blades and a stator blade crown. The rotor comprises a rotor body, rotor blades and a rotor blade crown. The inner wall of the stator blade crown and the outer wall of the rotor body are coaxially arranged in a sleeved mode. The multiple stator blades are circumferentially and obliquely arranged between the outer wall of the stator blade crown and the inner wall of the stator body. The multiple rotor blades are circumferentially and obliquely arranged between the outer wall of the rotor body and the inner wall of the rotor blade crown. The tilt direction of the stator blades is the same as the tilt direction of the rotor blades. By means of the telescopic wedge-shaped blade brake-stage stator and rotor assembly, the rotating speed of a turbine drill can be decreased, the working rotating speed area of the turbine drill is narrowed, and the overload capacity of the turbine drill is improved.
Description
Technical field
The utility model relates to the creeping into of field such as the probing in the fields such as oil, rock gas, coal-seam gas, shale gas exploitation or geology, railway, electric power, communication and uses down-hole turbodrill, especially a stretching Wedge-shaped blade retrostage rotor assembly parts, belongs to machinery manufacturing technology field.
Background technique
Turbodrill is commercial Application a kind of down-hole fluid motor the earliest, and its effect is to change the fluid pressure energy of working solution into mechanical energy, drives drill bit to rotate with broken bottom rock.Turbodrill is a kind of mud motor that oilfield is conventional.Because the turbodrill rotating speed consisting of existing multistage turbine rotor assembly parts is too high, bit bearing or tooth wear are too fast, and the drilling depth and the drilling time that bore for one time are more much lower than rotary drilling.
Shortcoming in view of above-mentioned existing TURBODRILLING TECHNIQUE WITH TREMENDOUS TECHNICAL existence, this art designs people is based on being engaged in for a long time related scientific research and site test, to the positive improvement and bring new ideas in addition of prior art, to realizing, a kind of pressure drop is low, racing speed and working speed is low, Operating torque is moderate stretching Wedge-shaped blade retrostage rotor assembly parts.
Model utility content
The purpose of this utility model is to provide the stretching Wedge-shaped blade retrostage rotor assembly parts that a kind of braking torque is large, hydraulic loss is little.
For achieving the above object, the utility model proposes a kind of stretching Wedge-shaped blade retrostage rotor assembly parts, comprise stator and the rotor of coaxial package, the central axis conllinear of described stator and described rotor; Described stator comprises cylindric stator body, several stator vanes and the circular stator integral shroud of coaxial setting, described rotor comprises cylindric rotor body, several rotor blades and the circular rotor integral shroud of coaxial setting, the inwall of described stator integral shroud and described rotor body outer wall coaxial package, described in several, stator vane is arranged between described stator integral shroud outer wall and described stator body inwall along peripheral, oblique; Described in several, rotor blade is arranged between described rotor body outer wall and described rotor integral shroud inwall along peripheral, oblique.
The Wedge-shaped blade retrostage that stretches as mentioned above rotor assembly parts, wherein, described stator vane center line and the evolute of rotor blade center line on isometrical cylndrical surface are straight line, and this straight line forms tilt angle with the equivalent meridian plane by stator and rotor; The tilt angle of described stator vane is identical with the tilt angle true dip direction of described rotor blade; On same isometrical cylndrical surface, the tilt angle equal and opposite in direction of the tilt angle of described stator vane and described rotor blade.
The Wedge-shaped blade retrostage that stretches as mentioned above rotor assembly parts, wherein, at the bottom of the profile line of described stator vane comprises stator leaf top, stator leaf, stator vane pressure side and stator vane suction surface, at the bottom of the outer contour of described rotor blade comprises rotor leaf top, rotor leaf, rotor blade pressure side and rotor blade suction surface, the stretching cross section of described stator vane and rotor blade respectively has one, and the stretching cross section of described stator vane is at the bottom of described stator leaf or the cross section of stator Ye Ding cylndrical surface isometrical with it; The stretching cross section of described rotor blade is at the bottom of described rotor leaf or the cross section of rotor Ye Ding cylndrical surface isometrical with it.
The Wedge-shaped blade retrostage that stretches as mentioned above rotor assembly parts, wherein, the stretching guide line of described stator vane and rotor blade respectively has one, the stretching guide line of described stator vane be along described stator body radially perpendicular to the straight line of the trailing edge mid point of described stator vane; The stretching guide line of described rotor blade be along described rotor body radially perpendicular to the straight line of the leading edge mid point of described rotor blade.
The Wedge-shaped blade retrostage that stretches as mentioned above rotor assembly parts, wherein, described in each stator vane or described in each circumferential thickness of rotor blade along radial dimension separately, equate.
The Wedge-shaped blade retrostage that stretches as mentioned above rotor assembly parts, wherein, described in each, the axial height of stator vane or each rotor blade is along radial dimension is equal separately.
The Wedge-shaped blade retrostage that stretches as mentioned above rotor assembly parts, wherein, the stretching guide line of described stator vane trailing edge points to the radial direction of described stator body; The stretching guide line of described rotor blade leading edge points to the radial direction of described rotor body.
The blade profile of stator vane of the present utility model and rotor blade is to stretch and forms, blade inlet edge is thin, trailing edge is thick, be the stator vane blade three dimensional design curved surface of serving as reasons on isometrical cylndrical surface at the bottom of stator leaf along trailing edge mid point spoon of blade radially vertical line be stretched to leaf and push up isometrical cylndrical surface and form, or the stator vane isometrical cylndrical surface at the bottom of stator leaf pushes up blade three dimensional design curved surface on isometrical cylndrical surface radially vertical line is stretched to leaf along trailing edge mid point spoon of blade of serving as reasons forms; The blade three dimensional design curved surface that rotor blade is served as reasons on isometrical cylndrical surface at the bottom of rotor leaf along leading edge mid point spoon of blade radially vertical line be stretched to leaf and push up isometrical cylndrical surface and form, or the rotor blade isometrical cylndrical surface at the bottom of rotor leaf pushes up blade three dimensional design curved surface on isometrical cylndrical surface radially vertical line is stretched to leaf along leading edge mid point spoon of blade of serving as reasons forms.Each blade-shaped is like a chock.The stretching cross section of described stator vane and rotor blade respectively has one, be respectively at the bottom of stator leaf or leaf push up blade three dimensional design curved surface on isometrical cylndrical surface, at the bottom of rotor leaf or leaf push up the blade three dimensional design curved surface on isometrical cylndrical surface; The stretching guide line of described stator vane and rotor blade also respectively has one, be respectively through the spoon of blade of stator vane trailing edge mid point radially vertical line, through the spoon of blade of rotor blade leading edge mid point vertical line radially.The circumferential thickness of described stator vane or rotor blade is constant along stretching guide line, axial height radially equates.Described stator vane center line or the evolute of rotor blade center line on isometrical cylndrical surface are straight line, and this straight line and equivalent meridian plane form tilt angle (claiming again established angle); With stator vane tilt angle and rotor blade tilt angle on the isometrical cylndrical surface of stator, the concentricity axis of rotor, direction is identical, equal and opposite in direction, and radially equate.Described stator vane trailing edge stretching guide line, rotor blade leading edge stretching guide line all point to radial direction.Described stator or rotor blade pressure side and suction surface with etc. I value (I value be turbine retrostage rotor blade inlet edge with trailing edge between the relative position of arbitrary plane vertical with stator or rotor axis and leading edge and trailing edge; As this plane and leading edge peak I=0.0 during in same position, when this plane with trailing edge peak I=1.0 during in same position) to pass through mutually straight line parallel with stator or rotor radius direction for two of meridian plane.
The stretching guide line of described stator vane and rotor blade except the aforementioned spoon of blade through stator vane trailing edge mid point radially vertical line, through the spoon of blade of rotor blade leading edge mid point, radially vertical line, respectively have another: they be respectively through the spoon of blade of other any point except trailing edge mid point on stator vane trailing edge radially vertical line, through the spoon of blade of other any point except leading edge mid point in rotor blade leading edge vertical line radially.
The utlity model has following characteristics and advantage:
The utility model stretching Wedge-shaped blade retrostage rotor assembling unit structure is simple, braking torque is large, hydraulic loss is little, some stretchings hydraulic brake level rotor and the combination of some turbines rotor are assembled together and can significantly reduce turbodrill racing speed and working speed, improve operating time, overload capacity, the stability of working under the slow-speed of revolution and the turbodrilling drilling depth of turbodrill.
Accompanying drawing explanation
Accompanying drawing described here is only for task of explanation, and is not intended to limit by any way the utility model scope of disclosure.In addition, in figure, the shape of each parts and proportional sizes etc. are only schematically, for helping understanding of the present utility model, are not shape and the proportional sizes that specifically limits each parts of the utility model.Those skilled in the art, under of the present utility model leading, can select various possible shapes and proportional sizes to implement the utility model as the case may be.
Fig. 1 is the utility model stretching Wedge-shaped blade retrostage rotor assembly parts embodiment one cross-sectional view;
Fig. 2 is the utility model embodiment's stator cross-sectional view;
Fig. 3 is the utility model embodiment's stator perspective view;
Fig. 4 is that the utility model embodiment's stator vane pushes up isometrical cylinder face expansion schematic diagram along leaf;
Fig. 5 is that the utility model embodiment's stator is along the equivalent meridian plane cut-away illustration of I=0.5;
Fig. 6 is the utility model embodiment's rotor profiles structural representation;
Fig. 7 is the utility model embodiment's rotor perspective view;
Fig. 8 is that the utility model embodiment's rotor blade pushes up isometrical cylinder face expansion schematic diagram along leaf;
Fig. 9 is that the utility model embodiment's rotor is along the equivalent meridian plane cut-away illustration of I=0.5;
Figure 10 is the utility model stretching Wedge-shaped blade retrostage rotor assembly parts embodiment's three-dimensional biopsy cavity marker devices structural representation.
Description of reference numerals:
1-rotor; 101-rotor body; 102-rotor blade; 103-rotor integral shroud; 104-boss; 105-rotor blade suction surface; 106-rotor blade pressure side; 107-rotor leaf top; At the bottom of 108-rotor leaf; 109-rotor blade leading edge; 110-rotor blade trailing edge.
2-stator; 201-stator body; 202-stator vane; 203-stator integral shroud; 204-stator vane pressure side; 205-stator vane suction surface; 207-stator leaf top; At the bottom of 208-stator leaf; 209-stator vane leading edge; 210-stator vane trailing edge.
Embodiment
With the description of the utility model embodiment, can more be well understood to details of the present utility model by reference to the accompanying drawings.But embodiment of the present utility model described here,, for explaining the purpose of this utility model, is only to restriction of the present utility model and can not be understood as by any way.Under instruction of the present utility model, technician can conceive based on possible distortion arbitrarily of the present utility model, and these all should be regarded as belonging to scope of the present utility model.
Please refer to Fig. 1 to Figure 10, Fig. 1 is the utility model stretching Wedge-shaped blade retrostage rotor assembly parts embodiment's cross-sectional view; Fig. 2 is the utility model embodiment's stator cross-sectional view; Fig. 3 is the utility model embodiment's stator perspective view; Fig. 4 is that the utility model embodiment's stator vane pushes up isometrical cylinder face expansion schematic diagram along leaf; Fig. 5 is that the utility model embodiment's stator is along the equivalent meridian plane cut-away illustration of I=0.5; Fig. 6 is the utility model embodiment's rotor profiles structural representation; Fig. 7 is the utility model embodiment's rotor perspective view; Fig. 8 is that the utility model embodiment's rotor blade pushes up isometrical cylinder face expansion schematic diagram along leaf; Fig. 9 is that the utility model embodiment's rotor is along the equivalent meridian plane cut-away illustration of I=0.5; Figure 10 is the utility model stretching Wedge-shaped blade retrostage rotor assembly parts embodiment's three-dimensional biopsy cavity marker devices structural representation.
As shown in Figures 1 to 10, the stretching Wedge-shaped blade retrostage rotor assembly parts the utility model proposes, comprises stator 2 and the rotor 1 of coaxial package, the central axis conllinear of stator 2 and rotor 1; As shown in Figures 2 to 5, stator 2 comprises cylindric stator body 201, several stator vanes 202 and the circular stator integral shroud 203 of coaxial setting.Several stator vanes 202 are evenly laid along the inner circumferential surface of stator body 201, at the bottom of the leaf of the outer wall of stator integral shroud 203 and stator vane 202, be connected, make stator body 201, several stator vanes 202 and stator integral shroud 203 form the stator 2 of integrative-structures.Several stator vanes 202 are arranged between described stator integral shroud 203 outer walls and stator body 201 inwalls along stator body 201 peripheral, oblique.As shown in Figures 6 to 9, rotor 1 comprises cylindric rotor body 101, several rotor blades 102 and the circular rotor integral shroud 103 of coaxial setting, in one end of rotor body 101 periphery, be provided with the boss 104 radially protruding, several rotor blades 102 are evenly laid along the external peripheral surface of rotor body 101, rotor integral shroud 103 is socketed on the leaf top of rotor blade 102, makes rotor body 101, blade 102, rotor integral shroud 103 form the rotor 1 of integrative-structure.As shown in Figure 1, the inwall of stator integral shroud 203 and rotor body 101 outer wall coaxial packages, and stator body 201 is coaxial with rotor body 101 medial axis, and the inwall of stator integral shroud 203 and the coaxial fit of rotor body 101 outer wall, make stator 2 coordinate installation with rotor 1.
In the utility model, the blade profile of stator vane 202 and rotor blade 102 is to stretch and forms.As shown in Figure 3, stator vane 202 is stator leaf top 207 in abutting connection with a side of stator body 201, and its side in abutting connection with stator integral shroud 203 is at the bottom of stator leaf 208.At the bottom of stator leaf top 207 and stator leaf, between 208, have cylndrical surface any number of and stator body 201 and stator integral shroud 203 common central axis, each cylndrical surface is referred to as isometrical cylndrical surface.208 relative position S value representation at the bottom of arbitrary isometrical cylndrical surface at the bottom of stator leaf top 207 and stator leaf between 208 and stator leaf top 207 and stator leaf, 0≤S≤1.0: as isometrical cylndrical surface S=0.0 when 208 cylndrical surface, place overlap at the bottom of stator leaf, push up 207 cylndrical surface, place S=1.0 while overlapping when isometrical cylndrical surface with stator leaf.Accordingly, as shown in Figure 7, rotor blade 102 is at the bottom of rotor leaf 108 in abutting connection with a side of rotor body 101, and its side in abutting connection with rotor integral shroud 103 is rotor leaf top 107, at the bottom of rotor leaf top 107 and rotor leaf, between 108, have cylndrical surface any number of and rotor body 101 and rotor integral shroud 103 common central axis, each cylndrical surface is also referred to as isometrical cylndrical surface.108 relative position S value representation at the bottom of arbitrary isometrical cylndrical surface at the bottom of rotor leaf top 107 and rotor leaf between 108 and rotor leaf top 107 and rotor leaf, 0≤S≤1.0: as isometrical cylndrical surface S=0.0 when 108 cylndrical surface, place overlap at the bottom of rotor leaf, push up 107 cylndrical surface, place S=1.0 while overlapping when isometrical cylndrical surface with rotor leaf.Because stator 2 and rotor 1 are total to central axis up and down, being set with superimposed setting, is therefore same isometrical cylndrical surface waiting isometrical cylndrical surface and the isometrical cylndrical surface on rotor 1 on the stator 2 of S value.
In the utility model, the plane intersecting vertically with the central axis of stator 2 and rotor 1 is referred to as meridian plane.As shown in Figure 5, the meridian plane between the upper end of stator vane 202 (entrance) and lower end (outlet) and the relative position I value representation of upper end and lower end, 0≤I≤1.0.Wherein, wait the meridian plane of I value to be called equivalent meridian plane: I=0.0 when the upper end of equivalent meridian plane and stator vane 202 is tangent, I=1.0 when the lower end of equivalent meridian plane and stator vane 202 is tangent.Accordingly, as shown in Figure 9, the meridian plane between the upper end of rotor blade 102 (entrance) and lower end (outlet) and the relative position I value representation of upper end and lower end, 0.0≤I≤1.0.Wherein, the meridian plane that waits I value is also referred to as equivalent meridian plane: I=0.0 when the upper end of equivalent meridian plane and rotor blade 102 is tangent, I=1.0 when the lower end of equivalent meridian plane and rotor blade 102 is tangent.
As shown in Fig. 2 to Fig. 9, stator vane 202 and rotor blade 102 are the blade that stretches and form, and stator vane 202 center lines and rotor blade 102 center lines form a tilt angle (claiming again established angle) with equivalent meridian plane separately respectively, and the stator vane angle of inclination beta on isometrical cylndrical surface
l2with rotor blade angle of inclination beta
l1, direction is identical, equal and opposite in direction, and radially (from inside to outside) equates.
Further, as shown in Fig. 4, Fig. 8, stator vane 202 is along the expanding wheel profile of its isometrical cylndrical surface the wedge shape that one end thickness is greater than the other end thickness; Rotor blade 102 is along the expanding wheel profile of its isometrical cylndrical surface the wedge shape that one end thickness is greater than the other end thickness.Wherein, thinner, the rotor blade trailing edge 110 of rotor blade leading edge 109, stator vane leading edge 209, stator vane trailing edge 210 are thicker.
Further, as shown in Fig. 4, Fig. 8, on an isometrical cylndrical surface in office, (the leading edge radius of arc pushing up on isometrical cylndrical surface at leaf is r for the leading edge 209 of stator vane 202 and trailing edge 210
21, trailing edge radius of arc is r
22, and r
21≤ r
22) tangent with the profile line of suction surface 205, pressure side 204 respectively; The leading edge 109 of rotor blade 102 and trailing edge 110 (push up the leading edge radius of arc r on isometrical cylndrical surface at leaf
11, trailing edge radius of arc is r
12, and r
11≤ r
12) tangent with the profile line of suction surface 105, pressure side 106 respectively.Can greatly reduce hydraulic loss like this.
Further, the outer contour of stator vane 202 comprise at the bottom of stator leaf top 207, stator leaf 208, stator vane pressure side 204 and stator vane suction surface 205; The outer contour of rotor blade 102 comprises at the bottom of rotor leaf top 107, rotor leaf 108, rotor blade pressure side 106 and rotor blade suction surface 105.The stretching cross section of stator vane 202 and rotor blade 102 respectively has one, and the stretching cross section of stator vane 202 is at the bottom of stator leaf 208 or the cross section of 207 cylndrical surface isometrical with it, stator leaf top; The stretching cross section of rotor blade 102 is at the bottom of rotor leaf 108 or the cross section of 107 cylndrical surface isometrical with it, rotor leaf top.
Further, the stretching guide line of stator vane 202 and rotor blade 102 respectively has one, the stretching guide line of stator vane 202 be along stator body 201 radially perpendicular to the straight line of the trailing edge mid point of stator vane 202; The stretching guide line of rotor blade 102 be along rotor body 101 radially perpendicular to the straight line of the leading edge mid point of rotor blade 102.
Further, the circumferential thickness of each stator vane 202 or each rotor blade 102 is equal along its stretching guide line, axial height edge is radially equal separately.In the present embodiment, as shown in Figure 1, Figure 2 and shown in Fig. 6, the axial height of stretching Wedge-shaped blade retrostage stator 2 and rotor 1 is L=20～60mm; Retrostage stator outer diameter is D
se=50～300mm, retrostage rotor internal diameter is D
ri=20～200mm.
Further, the stretching guide line of stator vane trailing edge 210 points to the radial direction of stator body 201; The stretching guide line of rotor blade leading edge 109 points to the radial direction of rotor body 101.
Further, as shown in Figure 1, Figure 2 and shown in Fig. 6, the interior circular ring path of stretching Wedge-shaped blade retrostage rotor integral shroud 103 and the inner peripheral wall of stator body 201 form fluid course.The inner circumference diameter D of rotor integral shroud 103
r1equal the inner circumference diameter D of stator body 201
s1, the runner outer diameter D that this rotor combines
1=D
r1=D
s1; The excircle diameter D of the boss 104 of rotor body 101
r2equal the excircle diameter D of stator integral shroud 203
s2, the runner inside diameter D that this rotor combines
2=D
r2=D
s2; Runner outer diameter D
1with runner inside diameter D
2arithmetic mean value be average Flow diameter D; Runner outer diameter D
1with runner inside diameter D
2half of difference be width of flow path h=h
r=h
s, h=(D
1-D
2)/2=5.0～100.0mm.
Further, as shown in Figure 3 and Figure 7, the blade number n of stretching Wedge-shaped blade retrostage stator vane 202
2blade number n with rotor blade 101
1be respectively n
1=10～60, n
2=10～60, to meet different operating mode demands.
Further, as shown in Figure 4 and Figure 8, stretching Wedge-shaped blade retrostage stator vane 202 and rotor blade 102 all generate by stretching, and the established angle β of stator vane 202 on an isometrical cylndrical surface in office
l2established angle β with rotor blade 102
l1equate 10 °≤β of span
l1=β
l2≤ 90 °.The axial height of rotor integral shroud 103 is L
1, i.e. L
1l
2=8～19mm; Stator integral shroud 203 axial heights are L
2, i.e. L
2=8～19mm.The axial height of rotor blade 102 is H
1, H
1=8～19mm; The axial height of stator vane 202 is H
2, H
2=8～19mm.Angle between rotor blade 102 pressure sides 106 and suction surface 105 is
angle between stator vane 202 pressure sides 204 and suction surface 205 is
pitch t between adjacent two stator vanes 202
2or the pitch t between adjacent two rotor blades 101
1be respectively t
1=3.0～10.0mm, t
2=3.0～10.0mm, pitch t
1with pitch t
2can get different value.
Further, as shown in Fig. 5 and Fig. 9, the equivalent meridian plane of described stator vane or rotor blade and I=0.5 is tangent, and it is parallel with stator or rotor radius direction that stator or rotor blade pressure side and suction surface and equivalent meridian plane two are passed through straight line mutually.
The utility model in use, the blade 202 that the blade 102 of stretching Wedge-shaped blade retrostage rotor 1 is equal to stator 2 extends (stator vane is identical with the established angle of rotor blade) in axial rotation, when hydraulic brake level rotor assembly parts and turbine stage rotor assembly parts are arranged on same main shaft, when working solution is flowed through rotor assembly parts, turbine stage rotor and produce moment of torsion, hydraulic brake level rotor is driven to rotate.Because the true dip direction of retrostage stator vane and the true dip direction of turbine stage stator vane are contrary, therefore the working solution flowing out from retrostage stator is by inhibition to the rotation of retrostage rotor blade, that is not only can not produce Operating torque to turbodrill main shaft, and will consume moment of torsion, thereby the rotating speed of main shaft is decreased.Meanwhile, when retrostage rotor rotates, just like axial flow pump runner, can assist drilling pump to pressurize to working liquid body, play the effect (reduction overall presure drop) of regulating system pressure.
In sum, the utility model designs by said structure, and the Wedge-shaped blade retrostage rotor assembly parts that makes to stretch can reduce turbodrill rotating speed, and turbodrill working speed region is narrowed down, and has improved the overload capacity of turbodrill.
Detailed explanation for the respective embodiments described above, its object is only the utility model to make an explanation, so that can understand better the utility model, but, it is to restriction of the present utility model that these descriptions can not be construed to any reason, particularly, each feature of describing in different mode of executions is combination in any mutually also, thereby form other mode of executions, except there being clearly contrary description, these features should be understood to can be applied in any one mode of execution, and are also not only confined to described mode of execution.
Claims (4)
1. a stretching Wedge-shaped blade retrostage rotor assembly parts, comprises stator and the rotor of coaxial package, the central axis conllinear of described stator and described rotor; Described stator comprises cylindric stator body, several stator vanes and the circular stator integral shroud of coaxial setting, described rotor comprises cylindric rotor body, several rotor blades and the circular rotor integral shroud of coaxial setting, the inwall of described stator integral shroud and described rotor body outer wall coaxial package, it is characterized in that: described in several, stator vane is arranged between described stator integral shroud outer wall and described stator body inwall along peripheral, oblique, described in several, rotor blade is arranged between described rotor body outer wall and described rotor integral shroud inwall along peripheral, oblique; Described stator vane center line and the evolute of rotor blade center line on isometrical cylndrical surface are straight line, and this straight line forms tilt angle with the equivalent meridian plane by stator and rotor; The tilt angle of described stator vane is identical with the tilt angle true dip direction of described rotor blade;
On same isometrical cylndrical surface, the tilt angle equal and opposite in direction of the tilt angle of described stator vane and described rotor blade;
At the bottom of the outer contour of described stator vane comprises stator leaf top, stator leaf, stator vane pressure side and stator vane suction surface, at the bottom of the outer contour of described rotor blade comprises rotor leaf top, rotor leaf, rotor blade pressure side and rotor blade suction surface, the stretching cross section of described stator vane and rotor blade respectively has one, and the stretching cross section of described stator vane is at the bottom of described stator leaf or the cross section of stator Ye Ding cylndrical surface isometrical with it; The stretching cross section of described rotor blade is at the bottom of described rotor leaf or the cross section of rotor Ye Ding cylndrical surface isometrical with it;
The stretching guide line of described stator vane and rotor blade respectively has one, the stretching guide line of described stator vane be along described stator body radially perpendicular to the straight line of the trailing edge mid point of described stator vane; The stretching guide line of described rotor blade be along described rotor body radially perpendicular to the straight line of the leading edge mid point of described rotor blade.
2. the Wedge-shaped blade retrostage that stretches as claimed in claim 1 rotor assembly parts, is characterized in that: described in each stator vane or described in each circumferential thickness of rotor blade along radial dimension separately, equate.
3. the Wedge-shaped blade retrostage that stretches as claimed in claim 1 rotor assembly parts, is characterized in that: described in each stator vane or described in each axial height of rotor blade along radial dimension separately, equate.
4. the Wedge-shaped blade retrostage that stretches as claimed in claim 1 rotor assembly parts, is characterized in that: the stretching guide line of described stator vane trailing edge points to the radial direction of described stator body; The stretching guide line of described rotor blade leading edge points to the radial direction of described rotor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269284.XU CN203867763U (en) | 2014-05-23 | 2014-05-23 | Telescopic wedge-shaped blade brake-stage stator and rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269284.XU CN203867763U (en) | 2014-05-23 | 2014-05-23 | Telescopic wedge-shaped blade brake-stage stator and rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867763U true CN203867763U (en) | 2014-10-08 |
Family
ID=51648727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420269284.XU Expired - Fee Related CN203867763U (en) | 2014-05-23 | 2014-05-23 | Telescopic wedge-shaped blade brake-stage stator and rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867763U (en) |
-
2014
- 2014-05-23 CN CN201420269284.XU patent/CN203867763U/en not_active Expired - Fee Related
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