CN203321738U - Hydraulic brake stator-rotor assembly - Google Patents

Hydraulic brake stator-rotor assembly Download PDF

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Publication number
CN203321738U
CN203321738U CN2013203827445U CN201320382744U CN203321738U CN 203321738 U CN203321738 U CN 203321738U CN 2013203827445 U CN2013203827445 U CN 2013203827445U CN 201320382744 U CN201320382744 U CN 201320382744U CN 203321738 U CN203321738 U CN 203321738U
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CN
China
Prior art keywords
rotor
stator
blade
hydraulic brake
diameter
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Expired - Lifetime
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CN2013203827445U
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Chinese (zh)
Inventor
谭春飞
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China University of Petroleum Beijing
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China University of Petroleum Beijing
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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 discloses a hydraulic brake stator-rotor assembly. The hydraulic brake stator-rotor assembly comprises a rotor and a stator which are coaxially sheathed, the rotor comprises a cylindrical rotor body, a plurality of rotor blades and annular rotor blade tips, wherein a boss which is radially convex is arranged on the periphery at one end of the rotor body; the stator comprises a cylindrical stator body, a plurality of stator blade and annular stator blade tips; the inner walls of the stator blade tips and the outer wall of the rotor body are coaxially sheathed, the blade profiles of the stator blades and the rotor blades are straight blades, and the inclination angle of the stator blades and the inclination angle of the rotor blades are equal and are same in direction. The hydraulic brake stator-rotor assembly disclosed by the utility model has the advantages of simple structure, low brake pressure drop, appropriate brake torque, small hydraulic loss and long service life, and a certain number of hydraulic brake stators and rotors and a certain number of turbine stators and rotors are combined and assembled together, so that the idle speed and the working rotational speed of a turbine drilling tool can be significantly reduced, and the working time of the turbine drilling tool and the drilling depth of turbine drilling are increased.

Description

Hydraulic brake level rotor assembly parts
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 the down-hole turbodrill, especially a kind of hydraulic brake level rotor assembly parts, belong 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 commonly used.Because the turbodrill rotating speed consisted of 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, the present utility model 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 that a kind of pressure drop is low, racing speed and working speed is low, Operating torque is moderate turbodrill.
The model utility content
The purpose of this utility model is to provide a kind of simple in structure, the braking pressure drop is low, braking torque is moderate, hydraulic loss is little, the life-span is long hydraulic brake level rotor assembly parts.
For achieving the above object, the utility model proposes a kind of hydraulic brake level rotor assembly parts, the rotor and the stator that comprise coaxial package, described rotor comprises rotor body cylindraceous, several rotor blades and circular rotor integral shroud, an end periphery at described rotor body is provided with the boss radially protruded, described several rotor blades are evenly laid along the external peripheral surface of described boss, and described rotor integral shroud is socketed on the outer rim of described rotor blade; Described stator comprises stator body cylindraceous, several stator vanes and circular stator integral shroud, described several stator vanes are evenly laid along the inner circumferential surface of described stator body, and the outer wall of described stator integral shroud is connected with the inner edge of described stator vane; The inwall of described stator integral shroud and the coaxial fit of described rotor body outer wall, the blade profile of described stator vane and described rotor blade is prismatic blade, and described stator vane center line and described rotor blade center line respectively with the formation inclination angle, plane of axis perpendicular to described rotor and stator, the inclination angle equal and opposite in direction of described stator vane inclination angle and described rotor blade, direction is identical.
Hydraulic brake level rotor assembly parts as mentioned above, wherein, the axial height L=25mm～55mm of described stator and described rotor.
Hydraulic brake level rotor assembly parts as mentioned above, wherein, the axial height L of described rotor integral shroud 1With described stator integral shroud axial height L 2Equate, i.e. L 1=L 2=8mm～19mm; The axial height L of described rotor blade 3Axial height L with described stator vane 4Equate, i.e. L 3=L 4=8mm～19mm, and L 1=L 2>=L 3=L 4.
Hydraulic brake level rotor assembly parts as mentioned above, wherein, the inner circumference diameter of described rotor integral shroud equals the inner circumference diameter of described stator body and the inner circumference diameter of described rotor integral shroud and the inner circumference diameter of described stator body and forms the runner D outer diameter 1The boss excircle diameter of described rotor body equals the excircle diameter of described stator integral shroud and the boss excircle diameter of described rotor body and the excircle diameter of described stator integral shroud and forms the runner inside diameter D 2Described runner D outer diameter 1With described runner inside diameter D 2Arithmetic mean value be average Flow diameter D; Described runner D outer diameter 1With described runner inside diameter D 2Half of difference be width of flow path h, described width of flow path h=(D 1-D 2)/2=7.0mm～15.0mm.
Hydraulic brake level rotor assembly parts as mentioned above, wherein, described rotor blade inclination angle is rotor blade established angle β 1, described stator vane inclination angle is stator vane established angle β 2, and β 1=β 2=10 °～160 °; The average thickness of described rotor blade is c1, and the average thickness of described stator vane is c 2And c 1=c 2=1.0mm～5.0mm.
Hydraulic brake level rotor assembly parts as mentioned above, wherein, the blade number n of described rotor blade 1Blade number n with described stator vane 2Be respectively n 1=10～35, n 2=10～35; Pitch t between adjacent two rotor blades 1And the pitch t between adjacent two stator vanes 2Be respectively t 1=5.0mm～10.0mm, t 2=5.0mm～10.0mm.
Hydraulic brake level rotor assembly parts as mentioned above, wherein, the leading edge of described stator vane and described rotor blade and trailing edge be shape or circular arc linearly.
The utlity model has following characteristics and advantage:
The utility model hydraulic brake level rotor assembling unit structure is simple, the braking pressure drop is low, braking torque is moderate, hydraulic loss is little, the life-span is long.
The accompanying drawing explanation
The following drawings only is intended to the utility model is done and schematically illustrated and explain, does not limit scope of the present utility model.Wherein,
The structural representation that Fig. 1 is the utility model hydraulic brake level rotor assembly parts embodiment one;
The stator cross-sectional view that Fig. 2 is the utility model embodiment one;
The stator perspective view that Fig. 3 is the utility model embodiment one;
The stator vane that Fig. 4 is the utility model embodiment one is along runner average diameter cylinder unwrapping schematic diagram;
The rotor profiles structural representation that Fig. 5 is the utility model embodiment one;
The rotor perspective view that Fig. 6 is the utility model embodiment one;
The rotor blade that Fig. 7 is the utility model embodiment one is along runner average diameter cylinder unwrapping schematic diagram;
The structural representation that Fig. 8 is the utility model hydraulic brake level turbine rotor assembly parts embodiment two;
The stator cross-sectional view that Fig. 9 is the utility model embodiment two;
The stator perspective view that Figure 10 is the utility model embodiment two;
The stator vane that Figure 11 is the utility model embodiment two is along runner average diameter cylinder unwrapping schematic diagram;
The rotor profiles structural representation that Figure 12 is the utility model embodiment two;
The rotor perspective view that Figure 13 is the utility model embodiment two;
The rotor blade that Figure 14 is the utility model embodiment two is along runner average diameter cylinder unwrapping schematic diagram.
Description of reference numerals:
1-embodiment one rotor; The 101-rotor body; The 102-rotor blade; 103-rotor integral shroud; The 104-boss;
2-embodiment one stator; The 201-stator body; The 202-stator vane; 203-stator integral shroud;
3-embodiment two rotors; The 301-rotor body; The 302-rotor blade; 303-rotor integral shroud; The 304-boss;
4-embodiment two stators; The 401-stator body; The 402-stator vane; 403-stator integral shroud.
Embodiment
Understand for technical characteristics of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing embodiment of the present utility model is described.
Embodiment one
Please refer to Fig. 1 to Fig. 7, be respectively the utility model hydraulic brake level rotor assembly parts embodiment one structural representation, embodiment's one stator cross-sectional view, embodiment's one stator perspective view, embodiment's one stator vane are along runner average diameter cylinder unwrapping schematic diagram, and embodiment's one rotor profiles structural representation, embodiment's one rotor perspective view and embodiment's one rotor blade are along runner average diameter cylinder unwrapping schematic diagram.
As shown in Figure 1, the hydraulic brake level rotor assembly parts the utility model proposes, comprise rotor 1 and the stator 2 of coaxial package.As shown in Figure 2 and Figure 3, stator 2 comprises stator body 201 cylindraceous, several stator vanes 202 and circular stator integral shroud 203, several stator vanes 202 are evenly laid along the inner circumferential surface of stator body 201, the outer wall of stator integral shroud 203 is connected with the inner edge of stator vane 202, makes stator body 201, several stator vanes 202 and stator integral shroud 203 form the stator 2 of integrative-structure.As shown in Figure 5, this rotor 1 comprises rotor body 101 cylindraceous, several rotor blades 102 and circular rotor integral shroud 103, an end periphery at rotor body 101 is provided with the boss 104 radially protruded, several rotor blades 102 are evenly laid along the external peripheral surface of rotor body 101, rotor integral shroud 103 is socketed on the outer rim 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 phase fits, 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.As shown in Fig. 4, Fig. 7, the blade profile of stator vane 202 and rotor blade 102 is prismatic blade (lineal shape), and stator vane 202 center lines and rotor blade 102 center lines form certain inclination angle with the plane of axis perpendicular to rotor 1 and stator 2 respectively, and the inclination angle equal and opposite in direction of the inclination angle of stator vane 202 and rotor blade 102, direction is identical.
Further, as shown in Fig. 1,2,5, the axial height of hydraulic brake level stator 2 and rotor 1 is L=25mm～55mm; For ease of installing and using the D outer diameter of hydraulic brake level stator SeIdentical with the turbine stage stator outer diameter, the inside diameter D of hydraulic brake level rotor RiIdentical with turbine stage rotor internal diameter.
Further, as shown in Fig. 1,2,5, the axial height L of hydraulic brake level rotor integral shroud 103 1With stator integral shroud 203 axial height L 2Equate, i.e. L 1=L 2=8mm～19mm; The axial height L of rotor blade 102 3Axial height L with stator vane 202 4Equate, i.e. L 3=L 4=8mm～19mm, and L 1=L 2>=L 3=L 4, in order to install and processing.
Further, as shown in Fig. 1,2,5, the interior ring passage of hydraulic brake level rotor integral shroud 103 and the inner circle wall of stator body 201 form flow channel for liquids.The inner circumference diameter of rotor integral shroud 103 equals the inner circumference diameter of stator body 201 and the inner circumference diameter of rotor integral shroud 103 and the inner circumference diameter of stator body 201 and forms the runner D outer diameter 1The boss 104 excircle diameters of rotor body 101 equal the excircle diameter of stator integral shroud 203 and the boss 104 excircle diameters of rotor body 101 and the excircle diameter of stator integral shroud 203 and form the runner inside diameter D 2The runner D outer diameter 1With the runner inside diameter D 2Arithmetic mean value be average Flow diameter D; The runner D outer diameter 1With the runner inside diameter D 2Half of difference be width of flow path h, this width of flow path h=(D 1-D 2)/2=7.0mm～15.0mm; Suggestion D 1With D 2Value identical with turbine stage rotor runner inside/outside diameter size.
Further, as shown in Fig. 4,7, the blade profile of hydraulic brake level stator vane 202 and rotor blade 102 is all prismatic blade, and stator vane 202 center lines and rotor blade 102 center lines form same inclination angle with the plane perpendicular to the rotor axis, i.e. stator vane 202 established angle β 2With rotor blade 102 established angle β 1Equate 10 °≤β of span 1=β 2<90 °; Stator vane 202 average thickness c 2With rotor blade 101 average thickness c 1Equate span c 1=c 2=c=1.0mm～5.0mm.
Further, the blade number n of hydraulic brake level stator vane 202 2Blade number n with described rotor blade 102 1Be respectively n 1=10～35, n 2=10～35, to meet different operating mode demands.As shown in Fig. 4,7, the pitch t between adjacent two stator vanes 202 2Or the pitch t between adjacent two rotor blades 102 1Be respectively t 1=5.0mm～10.0mm, t 2=5.0mm～10.0mm.
The utility model in use, the blade 102 of hydraulic brake level rotor 1 is equal to the prolongation (stator vane is identical with the established angle of rotor blade) of the blade 202 of stator 2, 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 the 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 is contrary with the true dip direction of turbine stage stator vane, therefore the working solution flowed out from the retrostage stator will be to inhibition the rotation of retrostage rotor blade, that is not only can not produce Operating torque to the turbodrill main shaft, and will consume moment of torsion, thereby the rotating speed of main shaft is decreased.Simultaneously, when hydraulic brake level rotor rotates, just like the axial flow pump runner, can assist drilling pump to pressurize to working liquid body, play the effect of regulating system pressure.
In sum, the utility model designs by said structure, makes hydraulic brake level rotor assembly parts can reduce the turbodrill racing speed, and turbodrill working speed zone is narrowed down, and has improved the overload capacity of turbodrill.
Embodiment two
Please refer to Fig. 8 to Figure 14, be respectively the utility model hydraulic brake level turbine rotor assembly parts embodiment two structural representation, embodiment's two stator cross-sectional view, embodiment's two stator perspective view, embodiment's two stator vanes are along runner average diameter cylinder unwrapping schematic diagram, and embodiment's two rotor profiles structural representations, embodiment's two rotor perspective view, embodiment's two rotor blades are along runner average diameter cylinder unwrapping schematic diagram.
In the present embodiment, the rotor 3 of hydraulic brake level rotor assembly parts comprises rotor body 301, rotor blade 302, rotor integral shroud 303 and boss 304; Stator 4 comprises stator body 401, stator vane 402 and stator integral shroud 403.The present embodiment and embodiment's one difference is, the leading edge of blade and trailing edge are not straight lines, but circular arc (radius of arc r=0.5c sin β), and leading edge trailing edge circular arc is tangent with blade back leaf basin molded line respectively, can greatly reduce like this hydraulic loss of retrostage.The blade inlet edge radius is r 1, the trailing edge radius is r 2, span r 1=0.5～2.5mm, r 2=0.5～2.5mm.
The foregoing is only the schematic embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification, all should belong to the scope that the utility model is protected.

Claims (7)

1. a hydraulic brake level rotor assembly parts, the rotor and the stator that comprise coaxial package, it is characterized in that: described rotor comprises rotor body cylindraceous, several rotor blades and circular rotor integral shroud, an end periphery at described rotor body is provided with the boss radially protruded, described several rotor blades are evenly laid along the external peripheral surface of described boss, and described rotor integral shroud is socketed on the outer rim of described rotor blade; Described stator comprises stator body cylindraceous, several stator vanes and circular stator integral shroud, described several stator vanes are evenly laid along the inner circumferential surface of described stator body, and the outer wall of described stator integral shroud is connected with the inner edge of described stator vane; The inwall of described stator integral shroud and the coaxial fit of described rotor body outer wall, the blade profile of described stator vane and described rotor blade is prismatic blade, and described stator vane center line and described rotor blade center line respectively with the formation inclination angle, plane of axis perpendicular to described rotor and stator, the inclination angle equal and opposite in direction of described stator vane inclination angle and described rotor blade, direction is identical.
2. hydraulic brake level rotor assembly parts as claimed in claim 1, is characterized in that: the axial height L=25mm～55mm of described stator and described rotor.
3. hydraulic brake level rotor assembly parts as claimed in claim 1, is characterized in that: the axial height L of described rotor integral shroud 1With described stator integral shroud axial height L 2Equate, i.e. L 1=L 2=8mm～19mm; The axial height L of described rotor blade 3Axial height L with described stator vane 4Equate, i.e. L 3=L 4=8mm～19mm, and L 1=L 2>=L 3=L 4.
4. hydraulic brake level rotor assembly parts as claimed in claim 1, it is characterized in that: the inner circumference diameter of described rotor integral shroud equals the inner circumference diameter of described stator body and the inner circumference diameter of described rotor integral shroud and the inner circumference diameter of described stator body and forms the runner D outer diameter 1The boss excircle diameter of described rotor body equals the excircle diameter of described stator integral shroud and the boss excircle diameter of described rotor body and the excircle diameter of described stator integral shroud and forms the runner inside diameter D 2Described runner D outer diameter 1With described runner inside diameter D 2Arithmetic mean value be average Flow diameter D; Described runner D outer diameter 1With described runner inside diameter D 2Half of difference be width of flow path h, described width of flow path h=(D 1-D 2)/2=7.0mm～15.0mm.
5. hydraulic brake level rotor assembly parts as claimed in claim 1, it is characterized in that: described rotor blade inclination angle is rotor blade established angle β 1, described stator vane inclination angle is stator vane established angle β 2, and β 1=β 2=10 °～160 °; The average thickness of described rotor blade is c 1, the average thickness of described stator vane is c 2And c 1=c 2=1.0mm～5.0mm.
6. hydraulic brake level rotor assembly parts as claimed in claim 1, is characterized in that: the blade number n of described rotor blade 1Blade number n with described stator vane 2Be respectively n 1=10～35, n 2=10～35; Pitch t between adjacent two rotor blades 1And the pitch t between adjacent two stator vanes 2Be respectively t 1=5.0mm～10.0mm, t 2=5.0mm～10.0mm.
7. as hydraulic brake level rotor assembly parts as described in any one in claim 1 to 6, it is characterized in that: the leading edge of described stator vane and described rotor blade and trailing edge be shape or circular arc linearly.
CN2013203827445U 2013-06-28 2013-06-28 Hydraulic brake stator-rotor assembly Expired - Lifetime CN203321738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203827445U CN203321738U (en) 2013-06-28 2013-06-28 Hydraulic brake stator-rotor assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013203827445U CN203321738U (en) 2013-06-28 2013-06-28 Hydraulic brake stator-rotor assembly

Publications (1)

Publication Number Publication Date
CN203321738U true CN203321738U (en) 2013-12-04

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CN2013203827445U Expired - Lifetime CN203321738U (en) 2013-06-28 2013-06-28 Hydraulic brake stator-rotor assembly

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104047795A (en) * 2014-07-03 2014-09-17 中国石油大学(北京) Point-projection wedge-shaped blade brake-stage stator and rotor assembly
CN104179622A (en) * 2014-08-08 2014-12-03 中国石油大学(北京) Braking level stator-rotor assembly provided with sweeping wedge-shaped blades

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104047795A (en) * 2014-07-03 2014-09-17 中国石油大学(北京) Point-projection wedge-shaped blade brake-stage stator and rotor assembly
CN104179622A (en) * 2014-08-08 2014-12-03 中国石油大学(北京) Braking level stator-rotor assembly provided with sweeping wedge-shaped blades

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20131204

CU01 Correction of utility model
CU01 Correction of utility model

Correction item: Termination upon expiration of patent

Correct: Revocation of Patent Expiration and Termination

False: On July 14, 2023, the expiration and termination of 39 volumes and 2802 issues of the patent

Number: 28-02

Volume: 39