CN208966974U - A kind of face of fluid torque converter structure - Google Patents
A kind of face of fluid torque converter structure Download PDFInfo
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- CN208966974U CN208966974U CN201821509795.9U CN201821509795U CN208966974U CN 208966974 U CN208966974 U CN 208966974U CN 201821509795 U CN201821509795 U CN 201821509795U CN 208966974 U CN208966974 U CN 208966974U
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Abstract
The utility model discloses a kind of face of fluid torque converter structures, belong to fluid torque-converter field, including the inner ring close to circulation circle center, outer ring, blade；Above-mentioned inner ring and outer rings form the approximate circle circulation cylindrical cavity that liquid stream spinning center is flowed outward；Blade is evenly arranged in circulation cylindrical cavity in 360 ° of circumferencial directions；The outer surface of inner ring forms approximate outer ring cambered surface by two tangent circular arcs；The inner surface of outer ring forms approximate inner ring cambered surface by two tangent circular arcs；Blade includes blade body, and blade body is along liquid flow path direction from input end to outlet end at space three-dimensional streamlined structure；The novel pump impeller of fluid torque-converter is because using approximate circle circulation circle and the linear blade construction of space three-dimensional flow, liquid stream can be made to flow in circulation cylindrical cavity along camber line, and make intracavitary liquid stream along streamline even transition, avoid big liquid flow impact and turbulent flow, the liquid stream for reducing blade entrance end deviates, and significantly improves the transmission efficiency and integral working of fluid torque-converter.
Description
Technical field
The utility model relates to a kind of face of fluid torque converter structures, especially have wheel circulation round and space three-dimensional streamline
The fluid torque-converter new pump wheel construction of shape blade construction.
Background technique
Face of fluid torque converter is that the mechanical energy for passing over engine is changed into work under the influence of centrifugal force
Liquid can be changed into mechanical energy output again by the kinetic energy and pressure energy of oil, driving turbine rotation, the turbine of rotation.The work flowed out from turbine
Make the oily guide wheel through maintaining static, a part of pressure energy is converted into kinetic energy, is returned after making the degree of rotation increase of working oil
Pump impeller entrance.Working oil so circulates in fluid torque-converter circulation cylindrical cavity, is formed the normal work of fluid torque-converter
Make.
Face of fluid torque converter plays the role of vital in the whole work process of fluid torque-converter.It is followed same
Under ring circle, by the adjustment for importing and exporting angle to face of fluid torque converter leaf grating, it is easy to obtain one group of new fluid torque-converter
Performance, and the performance change trend stability of fluid torque-converter, this is also most succinct effective method in fluid torque-converter design.
In the case where same blade imports and exports angle, since fluid torque-converter recycles round and the linear blade construction of space three-dimensional flow difference, liquid
Power torque-converters performance level differs greatly, and especially transmission efficiency influences the most obvious.Domestic fluid torque-converter circulation is round
Formula is more, and rectangle, oblateness etc. are each has something to recommend him, and space three-dimensional blade construction difference is also larger.The utility model is to combine
The actual use operating condition of fluid torque-converter, and consider the difficulty when emulation manufacture processing of blade mold and blade casting divide mould,
And a kind of approximate circle the circulation circle structure and the linear blade construction of space three-dimensional flow researched and developed, and through multiple optimization design and examination
Verifying improves significantly fluid torque-converter entirety transmission efficiency, and especially whole transmission performance is from damped condition to high speed work
Condition variation tendency is steady, and higher efficiency range is wide, and the declared working condition matching of high-efficiency point speed ratio and complete machine is intact.This fluid torque-converter performance
It should belong to leading level at home.
Summary of the invention
In view of the problems of the existing technology, the utility model provide it is a kind of can make liquid stream circulation cylindrical cavity in along camber line
Flowing, and make intracavitary liquid stream along streamline even transition, big liquid flow impact and turbulent flow are avoided, the liquid of blade entrance end is reduced
Stream deviates, and significantly improves the transmission efficiency and integral working of fluid torque-converter, in addition the utility model also has structure
Simply, the face of fluid torque converter structure for the advantages of being easy to blade mold emulation manufacture processing.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique:
A kind of face of fluid torque converter structure, the face of fluid torque converter include the inner ring, outer close to circulation circle center
Ring and with 23 uniformly distributed identical blades that inner ring and outer rings are linked；Above-mentioned inner ring and outer rings form approximate circle structure
Circulation cylindrical cavity, circulation cylindrical cavity spinning center is circular layout outward, and liquid stream is flowed along circulation cylindrical cavity from center outward；Institute
23 blades are stated to be evenly arranged in circulation cylindrical cavity by 360 ° of center circumferencial direction of central axis；
The outer ring cambered surface of the inner ring is tangent by the circular arc of two radiuses R26mm, R16.6mm, and is returned along central axis
Turn to form approximate outer ring cambered surface, for the design of R26mm center of arc on circulation circle center line, R16.6mm deviates circulation circle center
Line 8mm and R26mm is tangent；
The inner ring cambered surface of the outer ring is tangent by the circular arc of two radiuses R55.5mm, R45.5mm, and along central axis
It is rotarily formed approximate inner ring cambered surface, for the design of R55.5mm center of arc on circulation circle center line, R45.5mm deviates circulation circle
Center line 10mm and R55.5mm is tangent；
Design path the relative radius rB1=0.6462, rB2=1 of the inner ring and outer rings；Opposite axial faces area aB1=
0.7654, aB2=0.8497；
The blade includes identical blade body, and the blade body is along liquid flow path direction from input end to outlet end at space
Three dimensional streamline curved-surface structure；Blade body is 113 ± 1 ° along center line of flow path inlet angle, and the angle of outlet is 110 ± 1 °；Blade it is interior
The outer ring cambered surface of ring cambered surface and inner ring is connected, and the outer ring cambered surface of blade and the inner ring cambered surface of outer ring are connected；The import of blade inner ring is thick
Spend 4.3mm, exit thickness 2.2mm；Blade outer ring import thickness 4.5mm, exit thickness 1.3mm, blade inner ring and outer ring it
Between according to vane thickness difference rounding off.
Above structure, it is preferred that face of fluid torque converter is the casting integrated molding structure of integral Al-alloy, is cast convenient for impeller
The removing of foundry slag body in overmolded and blade and runner during making, while can reduce pump impeller weight, reduce pump impeller high speed and transports
Inertia impact when turning.
In conclusion the novel pump impeller of fluid torque-converter is because using approximate circle circulation circle and space three-dimensional aerofoil blade knot
Structure can be such that liquid stream flows in circulation cylindrical cavity along camber line, and make intracavitary liquid stream along streamline even transition, avoid big liquid flow impact
And turbulent flow, the liquid stream for reducing blade entrance end deviate, and significantly improve the transmission efficiency and overall work of fluid torque-converter
Performance, in addition the utility model also has the advantages that structure is simple, is easy to blade mold emulation manufacture processing.
The entrance end of blade body is diameter design into round cambered surface using vane thickness, and thickness from vane inlet end extremely
Outlet end forms the linear ontology of spatial flow along blade angle space uniform transition, ensure that space runner is cut between two blades
The even transition in face and the rounding off of blade entrance end, the liquid flow impact and turbulent flow and blade reduced in runner pass in and out
The liquid stream at mouth end deviates.Face of fluid torque converter blade guarantees inner ring streamlined camber line and outer ring streamlined arc as far as possible from design
Line is superimposed as far as possible along XY projecting direction, minimizes leaf curling degree, makes the smooth mistake of space curved surface between blade inner and outer rings
It crosses, when the emulation manufacture processing and reduction blade casting for being conducive to face of fluid torque converter three-dimensional space curved surface blade mold divide mould
Difficulty.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is that the utility model removes inner ring structural schematic diagram；
Fig. 4 is circulation cylindrical cavity planar structure schematic diagram；
Fig. 5 is blade construction schematic diagram；
Fig. 6 and Fig. 7 is blade different angle structural schematic diagram；
Fig. 8 is fluid torque-converter traction working condition primary characteristic curve graph.
In figure, 1, inner ring；1-1, outer ring cambered surface；2, outer ring；2-1, inner ring cambered surface；3, space of circles chamber is recycled；4, blade；4-
1, inner ring cambered surface；4-2, outer ring cambered surface.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain that this is practical
It is novel, it is not used to limit the utility model.
A kind of face of fluid torque converter structure, including close to the inner ring 1 of circulation circle center, outer ring 2 and with inner ring 1 and outside
23 identical blades 4 that ring 2 is linked；Above-mentioned inner ring and outer rings form the circulation circle flowed outward at liquid stream spinning center
Chamber 3；23 identical blade inner ring are connected with circle inner ring exterior arc surface is recycled, and outer ring is connected with circle outer ring inner arc surface is recycled, and 23
A blade is evenly arranged in circulation cylindrical cavity in 360 ° of circumferencial directions, and circulation cylindrical cavity is obstructed along liquid flow path direction into spatial form phase
Same fluid passage.
The inner ring cambered surface 2-1 of the outer ring 2 forms approximate inner ring cambered surface by two tangent circular arcs；Two arc radius
For R55.5mm, R45.5mm；Refering to Fig. 4
The outer ring cambered surface 1-1 of the inner ring 1 forms approximate outer ring cambered surface by two tangent circular arcs；Two arc radius
For R26mm, R16.6mm；Refering to Fig. 4
Design path the relative radius rB1=0.6462, rB2=1 of the inner and outer ring；Opposite axial faces area aB1=
0.7654, aB2=0.8497.
The blade includes blade body, please refers to Fig. 5 to Fig. 7；The blade body along liquid flow path direction from input end extremely
Outlet end is at space three-dimensional streamlined structure；113 ± 1 ° of the center line of flow path inlet angle of blade body, 110 ± 1 ° of the angle of outlet, blade
Inner ring cambered surface 4-1 and the outer ring cambered surface 1-1 of inner ring be connected, the inner ring cambered surface 2-1 phase of the outer ring cambered surface 4-2 and outer ring of blade
Connection；Blade inner ring import thickness 4.3mm, exit thickness 2.2mm；Blade outer ring import thickness 4.5mm, exit thickness 1.3mm, leaf
Piece is between inner ring and outer ring according to vane thickness difference rounding off.
The entrance end of blade body is diameter design into round cambered surface using vane thickness, and thickness from vane inlet end extremely
Outlet end forms the linear ontology of spatial flow along blade angle space uniform transition, ensure that space runner is cut between two blades
The even transition in face and the rounding off of blade entrance end, the liquid flow impact and turbulent flow and blade reduced in runner pass in and out
The liquid stream at mouth end deviates.Face of fluid torque converter blade guarantees inner ring streamlined camber line and outer ring streamlined arc as far as possible from design
Line is superimposed as far as possible along XY projecting direction, minimizes leaf curling degree, makes the smooth mistake of space curved surface between blade inner and outer rings
It crosses, when the emulation manufacture processing and reduction blade casting for being conducive to face of fluid torque converter three-dimensional space curved surface blade mold divide mould
Difficulty.
Face of fluid torque converter is the casting integrated molding structure of integral Al-alloy, convenient for the overmolded during pump vane casting,
And in blade and runner foundry slag body removing, while can reduce pump impeller weight, reduce inertia impact when pump impeller runs at high speed.
In order to further illustrate the characteristic of the utility model, the advantages of spy lifts test data and proved, the utility model.
Pump impeller leaf grating recycles the verification experimental verification of circle fluid torque-converter for 355mm:
Fluid torque-converter traction working condition initial parameter property list:
In fluid torque-converter traction working condition initial parameter and Fig. 8 fluid torque-converter traction working condition primary characteristic curve: i- speed
Than；K- converter torque ratio；η-efficiency；MB- can hold.It can be seen that fluid torque-converter peak efficiency 85.502, efficient model from tables of data
Enclose (the two o'clock speed ratio that efficiency is 75) 0.883/0.418=2.11；Each data and curves smoothly transit as can be seen from Figure, especially
For MB performance curve in low speed linear smooth transition closer than area, data fluctuations are smaller；Efficiency and higher efficiency range are than equal performance
Fluid torque-converter improves significantly, and general torque converter efficiency is lower than 85, and higher efficiency range is lower than 2.In conclusion the utility model
The novel pump impeller of fluid torque-converter because round with the linear blade construction of space three-dimensional flow using approximate circle circulation, liquid stream can be made to follow
It is flowed in ring cylindrical cavity along camber line, and makes intracavitary liquid stream along streamline even transition, avoided big liquid flow impact and turbulent flow, reduce leaf
The liquid stream of piece entrance end deviates, and significantly improves the transmission efficiency and integral working of fluid torque-converter.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principle of utility model.Such as recycle round and leaf blade size
Other similar products, the increase and decrease of vane thickness ± 3mm are used for by principle of similitude scaling, blade to pass in and out the adjustment etc. of bicker ± 10 °
It should be included within the scope of protection of this utility model.
Claims (2)
1. a kind of face of fluid torque converter structure, it is characterised in that；The face of fluid torque converter includes close to circulation circle center
23 uniformly distributed identical blades being linked of inner ring, outer ring and inner ring and outer rings；Above-mentioned inner ring and outer rings form approximate circle
The circulation cylindrical cavity of shape structure, circulation cylindrical cavity spinning center are circular layout outward, and liquid stream is outside from center along circulation cylindrical cavity
Flowing；23 blades are evenly arranged in circulation cylindrical cavity by 360 ° of center circumferencial direction of central axis；
The outer ring cambered surface of the inner ring is tangent by the circular arc of two radiuses R26mm, R16.6mm, and along central axis jatharapanvartanasana
At approximate outer ring cambered surface, for the design of R26mm center of arc on circulation circle center line, R16.6mm deviates circulation circle center line 8mm
It is tangent with R26mm；
The inner ring cambered surface of the outer ring is tangent by the circular arc of two radiuses R55.5mm, R45.5mm, and is turned round along central axis
Approximate inner ring cambered surface is formed, for the design of R55.5mm center of arc on circulation circle center line, R45.5mm deviates circulation circle center
Line 10mm and R55.5mm is tangent；
Design path the relative radius rB1=0.6462, rB2=1 of the inner ring and outer rings；Opposite axial faces area aB1=
0.7654, aB2=0.8497；
The blade includes blade body, and the blade body is along liquid flow path direction from input end to outlet end at space three-dimensional streamline
Type curved-surface structure；Blade body is 113 ± 1 ° along center line of flow path inlet angle, and the angle of outlet is 110 ± 1 °；The inner ring cambered surface of blade with
The outer ring cambered surface 1-1 of inner ring is connected, and the outer ring cambered surface of blade and the inner ring cambered surface of outer ring are connected；Blade inner ring import thickness
4.3mm, exit thickness 2.2mm；Blade outer ring import thickness 4.5mm, exit thickness 1.3mm, blade is between inner ring and outer ring
According to vane thickness difference rounding off.
2. face of fluid torque converter structure according to claim 1, it is characterised in that: face of fluid torque converter is that whole aluminium closes
The casting integrated molding structure of gold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821509795.9U CN208966974U (en) | 2018-09-14 | 2018-09-14 | A kind of face of fluid torque converter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821509795.9U CN208966974U (en) | 2018-09-14 | 2018-09-14 | A kind of face of fluid torque converter structure |
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| Publication Number | Publication Date |
|---|---|
| CN208966974U true CN208966974U (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821509795.9U Active CN208966974U (en) | 2018-09-14 | 2018-09-14 | A kind of face of fluid torque converter structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980296A (en) * | 2018-09-14 | 2018-12-11 | 天津工程机械研究院有限公司 | A kind of face of fluid torque converter structure |
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2018
- 2018-09-14 CN CN201821509795.9U patent/CN208966974U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980296A (en) * | 2018-09-14 | 2018-12-11 | 天津工程机械研究院有限公司 | A kind of face of fluid torque converter structure |
| CN108980296B (en) * | 2018-09-14 | 2024-03-19 | 天津工程机械研究院有限公司 | Pump wheel structure of hydraulic torque converter |
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