CN2051696U - Medium speed ratio centrifugal turbine torque converter - Google Patents
Medium speed ratio centrifugal turbine torque converter Download PDFInfo
- Publication number
- CN2051696U CN2051696U CN 89209083 CN89209083U CN2051696U CN 2051696 U CN2051696 U CN 2051696U CN 89209083 CN89209083 CN 89209083 CN 89209083 U CN89209083 U CN 89209083U CN 2051696 U CN2051696 U CN 2051696U
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- CN
- China
- Prior art keywords
- turbine
- guide wheel
- inlet
- pump impeller
- relative
- 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.)
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Abstract
The utility model discloses a medium speed ratio centrifugal turbine torque converter, belonging to the new structure of a hydraulic torque converter. The utility model discloses a suitable and practical technical project which relates to the number of blades of a pump wheel, a turbine and a guid wheel, and also relates to relative semi-diameters, relative widths and blade angles of inlets and outlets of the pump wheel, the turbine and the guide wheel from the structure. The use of the actual operation proves that the highest efficiency speed ratio of the torque converter is i+[*]=0.58-0.65; the coefficient of the zero-speed torque is K+[0]=4.56; the range of the high efficiency is G-0.7=3.87 and the highest speed ratio is i-[max]=1.2. The utility model is suitable for the hydraulic driving elements of various constructional equipment engines, locomotive vehicles and petroleum drilling rigs.
Description
Medium speed of the present utility model belongs to the fluid torque converter new structure than centrifugal turbine torque-converters.
In prior art, in engineering machinery and the oil-well rig dydraudynamic drive unit, extensively adopt peak efficiency rotating ratio i
*Medium speed about=0.6 is than centripetal turbine torque-converters, and its shortcoming is that K ° of zero-speed torque ratio is little, high efficiency scope G
0.7(when the rotating ratio scope of efficiency eta 〉=70%) is narrow, and maximum (top) speed compares i
MaxLow.In 4500 meters type oil-well rigs, use medium speed than centripetal turbine torque-converters, though peak efficiency than higher, is efficiently distinguished narrow range, it is also undesirable to promote performance.
The purpose of the present utility model is: provide a kind of medium speed than (i
*=0.58～0.65) centrifugal turbine torque-converters.It simple in structure, the high efficiency wide ranges has enough big lifting capacity and high maximum (top) speed ratio, to satisfy the needs of engineering machinery, rolling stock and oil-well rig dydraudynamic drive unit transmission component.
The utility model foundation: though belong to the centrifugal turbine torque-converters together, but its main structure parameters is selected different, to directly change Applicable scope, performance and the efficient of torque-converters, thereby proposed to be applicable to the technological scheme of practical medium speed than centrifugal turbine torque-converters from shape and structure.
Medium speed of the present utility model is than centrifugal turbine torque-converters, it is a kind of single-stage trilobed wheel centrifugal turbine torque-converters, it is made up of pump impeller B, turbine T, guide wheel D, structural parameter such as their number of blade Z and import and export (1-inlet, 2-outlet) relative radius ρ, relative width ε and blade angles are as follows:
Pump impeller inlet relative radius ρ
1B=0.6134
Turbine inlet relative radius ρ
1T=1.0154
Turbine outlet relative radius ρ
2T=1.2114
Guide wheel inlet relative radius ρ
1D=1.2422
Guide wheel outlet relative radius ρ
2D=0.7937
Pump impeller inlet relative width ε
1B=1.374
Turbine gateway relative width ε
1T=ε
2T=1.0352
Guide wheel gateway relative width ε
1D=ε
2D=1.017
Pump impeller inlet louver angle β
1B=59.7 °
Pump impeller outlet blade angles
2B=50 °
Pump impeller blade is counted Z
B=13
Turbine inlet louver angle β
1T=109.92 °
The turbine outlet blade angles
2T=18.98 °
Turbine blade is counted Z
T=28
Guide wheel inlet louver angle β
1D=101.8 °
Guide wheel outlet blade angles
2D=138.74 °
Guide vane is counted Z
D=34
Medium speed provided by the utility model is than centrifugal turbine torque-converters, in medium speed utilization scope, can replace the hydraulic transmission component in various engineering machinery, rolling stock and the oil-well rig easily, and reach the purpose that improves device performance, simplified structure and widen its using scope.Compare than centripetal turbine torque-converters with existing medium speed, its zero-speed torque ratio can improve more than 40% for K °, high efficiency scope G
0.7Can improve 58%, maximum (top) speed compares i
MaxCan improve about 20%.For example 1.5 tons of loaders dress is with behind the present invention, more former use centripetal turbine torque-converters, its tractive force by 4 tons of less thaies be increased to 4.5 tons, highest speed by 29 kilometers/time, bring up to 35 kilometers/time.Use on 3 ton forklifts, tractive force is increased to 2.7 tons by 1.9 tons, highest speed by 23 kilometers/time bring up to 27 kilometers/time.On railway locomotive (mainly being the small-power engineering truck), can constitute single cycle circle transmission device, apparatus structure and control system are greatly simplified.After using in 4500 meters type rigs, its high efficiency scope improves greatly, and has enough lifting capacities and high maximum (top) speed ratio, helps increasing work efficiency.In a word, medium speed has tangible economic benefit and social benefit than the use of centrifugal turbine torque-converters.
Accompanying drawing 1, medium speed are than centrifugal turbine torque-converters circulate circle
Accompanying drawing 2, medium speed are than centrifugal turbine torque-converters blade system
In conjunction with the accompanying drawings the structural feature of medium speed of the present utility model than centrifugal turbine torque-converters made the following instructions:
A kind of medium speed is than centrifugal turbine torque-converters, its peak efficiency rotating ratio i
*=0.58～0.65, its structure adopts the single-stage trilobed wheel: (shown in accompanying drawing 1,2) pump impeller B, turbine T, guide wheel D form, and each impeller blade is counted Z and import and export (inlet-1 outlet-2) relative radius ρ
1, ρ
2(import and export radius r
1, r
2With pump impeller outlet radius r
2BRatio).Relative width ε
1, ε
2(import and export width b
1, b
2With pump impeller exit width b
2BRatio) and blade angles
1, β
2For:
Pump impeller inlet relative radius ρ
1B=r
1B/ r
2B=0.6134
Turbine inlet relative radius ρ
1T=r
1T/ r
2B=1.0154
Turbine outlet relative radius ρ
2T=r
2T/ r
2B=1.2114
Guide wheel inlet relative radius ρ
1D=r
1D/ r
2B=1.2422
Guide wheel outlet relative radius ρ
2D=r
2D/ r
2B=0.7937
Pump impeller inlet relative width ε
1B=b
1B/ b
2B=1.374
Turbine gateway relative width ε
1T=ε
2T=b
T/ b
2B=1.0352
Guide wheel gateway relative width ε
1D=ε
2D=b
D/ b
2B=1.017
Pump impeller inlet louver angle β
1B=59.7 °
Pump impeller outlet blade angles
2B=50 °
Pump impeller blade is counted Z
B=13
Turbine inlet louver angle β
1T=109.92 °
The turbine outlet blade angles
2T=18.98 °
Turbine blade is counted Z
B=28
Guide wheel inlet louver angle β
1D=101.8 °
Guide wheel outlet blade angles
2D=138.74 °
Guide vane is counted Z
D=34
Medium speed of the present utility model, just can be realized: peak efficiency rotating ratio i in these structural parameter scope than centrifugal turbine torque-converters
*=0.58～0.65, zero-speed torque ratio K °=4.65, high efficiency scope G
0.7=3.87, maximum (top) speed compares i
Max=1.2.The medium speed of such structural parameter is than centrifugal turbine torque-converters, broken through traditional structural parameter, thereby a kind of new structure is provided in the fluid torque converter of various engineering machinery, rolling stock and oil-well rig, proved through joining machine, economic benefit is obvious, welcome by utilization department.
Claims (1)
1, a kind of medium speed is than centrifugal turbine torque-converters, it is made up of pump impeller B, turbine T, guide wheel D, and the utility model is characterized in that: the relative radius ρ of the number of blade of each impeller and its import and export (inlet-1, outlet-2), relative width ε, and structural parameter such as blade angles are:
Pump impeller inlet relative radius ρ
18=0.6134
Turbine inlet relative radius ρ
1T=1.0154
The whirlpool grow Cui know well the garden cut off the feet ρ
2T=1.2114
Guide wheel inlet relative radius ρ
1D=1.2422
Guide wheel outlet relative radius ρ
2D=0.7937
Pump impeller inlet relative width ε
1B=1.374
Turbine gateway relative width ε
1T=ε
2T=1.0352
Guide wheel gateway relative width ε
10=ε
2D=1.017
Pump impeller inlet louver angle β
1B=59.7 °
Pump impeller outlet blade angles
2D=50 °
Pump impeller blade is counted Z
B=13
Turbine inlet louver angle β
1T=109.92 °
The turbine outlet blade angles
2T=18.98 °
Turbine blade is counted Z
T=28
Guide wheel inlet louver angle β
1D=101.8 °
Guide wheel outlet blade angles
2D=138.74 °
Guide vane is counted Z
D=34
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89209083 CN2051696U (en) | 1989-06-24 | 1989-06-24 | Medium speed ratio centrifugal turbine torque converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89209083 CN2051696U (en) | 1989-06-24 | 1989-06-24 | Medium speed ratio centrifugal turbine torque converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2051696U true CN2051696U (en) | 1990-01-24 |
Family
ID=4865661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89209083 Withdrawn CN2051696U (en) | 1989-06-24 | 1989-06-24 | Medium speed ratio centrifugal turbine torque converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2051696U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614269B (en) * | 2009-07-31 | 2011-06-15 | 中国北车集团大连机车研究所有限公司 | Turbine vane type of starting torque converter for hydraulic drive locomotive |
| CN103591244A (en) * | 2013-05-21 | 2014-02-19 | 广西柳工机械股份有限公司 | Novel double-turbine hydraulic torque converter |
| US10435245B2 (en) | 2017-05-26 | 2019-10-08 | Terex Gb Limited | Conveyor apparatus |
-
1989
- 1989-06-24 CN CN 89209083 patent/CN2051696U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614269B (en) * | 2009-07-31 | 2011-06-15 | 中国北车集团大连机车研究所有限公司 | Turbine vane type of starting torque converter for hydraulic drive locomotive |
| CN103591244A (en) * | 2013-05-21 | 2014-02-19 | 广西柳工机械股份有限公司 | Novel double-turbine hydraulic torque converter |
| CN103591244B (en) * | 2013-05-21 | 2016-05-11 | 广西柳工机械股份有限公司 | Double-worm gear hydraulic pitch |
| US10435245B2 (en) | 2017-05-26 | 2019-10-08 | Terex Gb Limited | Conveyor apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |