CN105443711A - Locking type hydraulic torque converter for small-tonnage forklift - Google Patents
Locking type hydraulic torque converter for small-tonnage forklift Download PDFInfo
- Publication number
- CN105443711A CN105443711A CN201510956851.8A CN201510956851A CN105443711A CN 105443711 A CN105443711 A CN 105443711A CN 201510956851 A CN201510956851 A CN 201510956851A CN 105443711 A CN105443711 A CN 105443711A
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- China
- Prior art keywords
- blade
- turbine
- outlet
- inlet
- pump impeller
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/04—Combined pump-turbine units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Control Of Fluid Gearings (AREA)
Abstract
The invention provides a locking type hydraulic torque converter for a small-tonnage forklift. The locking type hydraulic torque converter comprises a cover wheel, turbines, pump wheels, guide wheels and locking clutches, wherein each locking clutch is arranged between each covering wheel and each turbine; the torque capacity of each locking clutch is more than 300Nm; the diameter phi D of a circulating circle of the hydraulic torque converter is 265+/-4mm; the average radius of an inlet and an outlet in an intermediate stream line of each working wheel is shown as follows: the average radius pB1 of the inlet in the intermediate stream line of each pump wheel body is 66.6+/-2mm; the average radius pB1 of the outlet in the intermediate stream line of each pump wheel body is 122.9+/-2mm; the average radius pT1 of the inlet in the intermediate stream line of each turbine body is 122.9+/-2mm; the average radius pT2 of the outlet in the intermediate stream line of each turbine body is 72.6+/-2mm; the average radius of the inlet in the intermediate stream line of each guide wheel body is 66.5+/-2mm; the average radius pD2 of the outlet in the intermediate stream line of each guide wheel body is 63.5+/-2mm. The locking type hydraulic torque converter is reasonable in power matching, and high in economy on oil consumption.
Description
Technical field
The present invention relates to a kind of closed-end hydraulic torque converter, be applicable to 3 ton forklifts.
Background technique
Existing little tonnage fork car fluid torque converter comprises turbine, guide wheel and pump impeller, and it can hold higher in stall operating mode, and converter torque ratio is on the low side, more on the low side than peak efficiency value during operating mode at a high speed.3 ton forklift operating modes are more single, require that peak efficiency wants high as far as possible during coupling, require to have suitable energy capacitance during stall operating mode and converter torque ratio wants height simultaneously, and such car load can obtain good power performance and the economy performance.
Summary of the invention
In order to solve the high and irrational problem of power matching of existing fluid torque converter oil consumption, the invention provides a kind of closed-end hydraulic torque converter, being applicable to 3 ton forklifts.
Solving the problems of the technologies described above adopted technological scheme is:
A kind of little tonnage fork car closed-end hydraulic torque converter, comprise hubcap, turbine, pump impeller and guide wheel, its special way is:
Also comprise lockup clutch, lockup clutch is arranged between hubcap body and turbine body;
Lockup clutch torque capacity is at more than 300Nm;
Described fluid torque converter circulate circle diameter
be 265 ± 4mm;
The average inlet/outlet radius of each active wheel center line of flow path:
The import mean radius ρ of pump impeller center line of flow path
b1=66.6 ± 2mm;
The outlet mean radius ρ of pump impeller center line of flow path
b1=122.9 ± 2mm;
The import mean radius ρ of turbine center line of flow path
t1=122.9 ± 2mm;
The outlet mean radius ρ of turbine center line of flow path
t2=72.6 ± 2mm;
The import mean radius ρ of guide wheel center line of flow path
d1=66.5 ± 2mm;
The outlet mean radius ρ of guide wheel center line of flow path
d2=63.5 ± 2mm;
Each runner vane center line of flow path into and out of bicker be:
Pump impeller blade inlet angle β
b1=88 ° ± 2 °;
Pump impeller blade exit angle β
b2=115 ° ± 2 °;
Turbine blade inlet angle β
t1=147 ° ± 2 °;
Turbine blade exit angle β
t2=136 ° ± 2 °;
Guide vane inlet angle β
d1=125 ° ± 2 °;
Guide vane exit angle β
d2=30 ° ± 2 °;
Each active wheel imports and exports runner relative width (B):
Pump impeller blade inlet channel width B
b1=27 ± 2mm;
Pump impeller blade outlet flow width B
b2=20 ± 2mm;
Turbine blade inlet channel width B
t1=20 ± 2mm;
Turbine blade outlet flow width B
t2=27 ± 2mm;
Guide vane inlet channel width B
d1=30 ± 2mm;
Guide vane outlet flow width B
d2=30 ± 2mm.
Each runner vane quantity:
Pump impeller blade number Z
b=21;
Turbine blade number Z
t=28;
Guide vane number Z
d=17.
The normal thickness δ of each impeller inlet place and outlet port blade
n1, δ
n2:
Pump impeller inlet normal thickness of blade δ
b1with pump impeller outlet port normal thickness of blade δ
b2meet δ
b1=δ
b2=0.8mm;
Turbine inlet place normal thickness of blade δ
t1with outlet port normal thickness of blade δ
t2meet δ
t1=δ
t2=0.8mm;
Guide wheel inlet normal thickness of blade δ
d1=3mm, guide wheel outlet port normal thickness of blade δ
d2=1mm.
The present invention has following technique effect:
The present invention has the lockup clutch of good twisting characteristic owing to have employed, make torque-converters at a high speed than time to improve the efficiency of torque-converters by blocking function, the torque-converters performance of simultaneously arranging in pairs or groups has in stall operating mode and reasonably can hold, and converter torque ratio is higher reaches 3.17, coupling operating mode peak efficiency also reaches 81.8%, thus can make car load power matching more rationally, oil consumption Economy is higher.
Accompanying drawing explanation
Fig. 1 is the structural drawing of one embodiment of the present of invention;
Fig. 2 is lockup clutch twisting characteristic schematic diagram;
Fig. 3 is fluid torque converter primary characteristic plotted curve.
Fig. 4 is pump impeller leaf grating appearance schematic diagram;
Fig. 5 is turbine cascade appearance schematic diagram;
Fig. 6 is the unfolded drawing of each active wheel along center line of flow path section;
Fig. 7 is the axial plane figure of each active wheel.
Embodiment
Be specifically described the present invention below in conjunction with accompanying drawing, as shown in Figure 1, this example forms primarily of hubcap 1, lockup clutch 2, turbine 3, guide wheel 4 and pump impeller 5, and wherein, hubcap comprises hubcap hub, hubcap shell and contiguous block; Lockup clutch comprises follower plate, retainer, spring and friction plate; Turbine comprises turbine hub and turbine body; Guide wheel comprises guide wheel body, seat ring and guard ring; Pump impeller comprises pump impeller hub and pump impeller body, and pump impeller body comprises pump impeller blade.
Power intake is made up of hubcap 1 and pump impeller 4, and clutch end is consisted of turbine shaft turbine 2.
The present invention's each work package concrete structure parameter is as follows:
Lockup clutch torque capacity is at more than 300Nm;
Fluid torque converter circulate circle diameter
be 265 ± 4mm;
The average inlet/outlet radius of each active wheel center line of flow path:
The import mean radius ρ of pump impeller body center line of flow path
b1=66.6 ± 2mm; The outlet mean radius ρ of pump impeller body center line of flow path
b1=122.9 ± 2mm; The import mean radius ρ of turbine body center line of flow path
t1=122.9 ± 2mm; The outlet mean radius ρ of turbine body center line of flow path
t2=72.6 ± 2mm; The import mean radius ρ of guide wheel body center line of flow path
d1=66.5 ± 2mm; The outlet mean radius ρ of guide wheel body center line of flow path
d2=63.5 ± 2mm.
Each runner vane center line of flow path into and out of bicker be:
Pump impeller blade inlet angle β
b1=88 ° ± 2 °; Pump impeller blade exit angle β
b2=115 ° ± 2 °; Turbine blade inlet angle β
t1=147 ° ± 2 °; Turbine blade exit angle β
t2=136 ° ± 2 °; Guide vane inlet angle β
d1=125 ° ± 2 °; Guide vane exit angle β
d2=30 ° ± 2 °.
Each active wheel imports and exports runner relative width (B):
Pump impeller blade inlet channel width B
b1=27 ± 2mm; Pump impeller blade outlet flow width B
b2=20 ± 2mm; Turbine blade inlet channel width B
t1=20 ± 2mm; Turbine blade outlet flow width B
t2=27 ± 2mm; Guide vane inlet channel width B
d1=30 ± 2mm; Guide vane outlet flow width B
d2=30 ± 2mm.
Each runner vane quantity:
Pump impeller blade number Z
b=21; Turbine blade number Z
t=28; Guide vane number Z
d=17.
The normal thickness δ of each impeller inlet place and outlet port blade
n1, δ
n2:
Pump impeller inlet/outlet place normal thickness of blade δ
b1=δ
b2=0.8mm; Turbine inlet/outlet place normal thickness of blade δ
t1=δ
t2=0.8mm; Guide wheel inlet normal thickness of blade δ
d1=3mm, guide wheel outlet port normal thickness of blade δ
d2=1mm.
Fig. 2 is lockup clutch twisting characteristic schematic diagram, and Fig. 3 is fluid torque converter primary characteristic plotted curve.
Claims (2)
1. a little tonnage fork car closed-end hydraulic torque converter, comprises hubcap, turbine, pump impeller and guide wheel, it is characterized in that:
Also comprise lockup clutch, lockup clutch is arranged between hubcap and turbine;
Lockup clutch torque capacity is at more than 300Nm;
Fluid torque converter circulate circle diameter
be 265 ± 4mm;
The average inlet/outlet radius of each active wheel center line of flow path:
The import mean radius ρ of pump impeller center line of flow path
b1=66.6 ± 2mm;
The outlet mean radius ρ of pump impeller center line of flow path
b1=122.9 ± 2mm;
The import mean radius ρ of turbine center line of flow path
t1=122.9 ± 2mm;
The outlet mean radius ρ of turbine center line of flow path
t2=72.6 ± 2mm;
The import mean radius ρ of guide wheel center line of flow path
d1=66.5 ± 2mm;
The outlet mean radius ρ of guide wheel center line of flow path
d2=63.5 ± 2mm;
Each runner vane center line of flow path into and out of bicker be:
Pump impeller blade inlet angle β
b1=88 ° ± 2 °;
Pump impeller blade exit angle β
b2=115 ° ± 2 °;
Turbine blade inlet angle β
t1=147 ° ± 2 °;
Turbine blade exit angle β
t2=136 ° ± 2 °;
Guide vane inlet angle β
d1=125 ° ± 2 °;
Guide vane exit angle β
d2=30 ° ± 2 °;
Each active wheel imports and exports runner relative width B:
Pump impeller blade inlet channel width B
b1=27 ± 2mm;
Pump impeller blade outlet flow width B
b2=20 ± 2mm;
Turbine blade inlet channel width B
t1=20 ± 2mm;
Turbine blade outlet flow width B
t2=27 ± 2mm;
Guide vane inlet channel width B
d1=30 ± 2mm;
Guide vane outlet flow width B
d2=30 ± 2mm;
Each runner vane quantity:
Pump impeller blade number Z
b=21;
Turbine blade number Z
t=28;
Guide vane number Z
d=17.
2. little tonnage fork car closed-end hydraulic torque converter according to claim 1, is characterized in that:
The normal thickness of each impeller inlet place and outlet port blade:
Pump impeller inlet normal thickness of blade δ
b1with pump impeller outlet port normal thickness of blade δ
b2meet δ
b1=δ
b2=0.8mm;
Turbine inlet place normal thickness of blade δ
t1with outlet port normal thickness of blade δ
t2meet δ
t1=δ
t2=0.8mm;
Guide wheel inlet normal thickness of blade δ
d1=3mm, guide wheel outlet port normal thickness of blade δ
d2=1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956851.8A CN105443711A (en) | 2015-12-18 | 2015-12-18 | Locking type hydraulic torque converter for small-tonnage forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956851.8A CN105443711A (en) | 2015-12-18 | 2015-12-18 | Locking type hydraulic torque converter for small-tonnage forklift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105443711A true CN105443711A (en) | 2016-03-30 |
Family
ID=55554234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510956851.8A Pending CN105443711A (en) | 2015-12-18 | 2015-12-18 | Locking type hydraulic torque converter for small-tonnage forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105443711A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763633A (en) * | 2016-12-14 | 2017-05-31 | 广西柳工机械股份有限公司 | Hydraulic single-turbine torque converter |
| CN107035841A (en) * | 2016-12-06 | 2017-08-11 | 陕西航天动力高科技股份有限公司 | A kind of small tonnage fork car fluid torque-converter |
| CN107606097A (en) * | 2017-10-09 | 2018-01-19 | 陕西航天动力高科技股份有限公司 | A kind of big pump impeller fluid torque-converter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09229160A (en) * | 1996-02-23 | 1997-09-02 | Nissan Motor Co Ltd | Lockup clutch of torque converter |
| CN103899726A (en) * | 2014-04-28 | 2014-07-02 | 陕西航天动力高科技股份有限公司 | Locking type hydraulic torque converter for engineering machinery |
| CN203892502U (en) * | 2014-04-28 | 2014-10-22 | 陕西航天动力高科技股份有限公司 | Locking type hydraulic torque converter for engineering machinery |
| CN104937311A (en) * | 2013-02-06 | 2015-09-23 | 株式会社艾科赛迪 | Lockup device for torque converter |
| CN205315639U (en) * | 2015-12-18 | 2016-06-15 | 陕西航天动力高科技股份有限公司 | Light -tonnage is enclosed type torque converter for fork truck |
-
2015
- 2015-12-18 CN CN201510956851.8A patent/CN105443711A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09229160A (en) * | 1996-02-23 | 1997-09-02 | Nissan Motor Co Ltd | Lockup clutch of torque converter |
| CN104937311A (en) * | 2013-02-06 | 2015-09-23 | 株式会社艾科赛迪 | Lockup device for torque converter |
| CN103899726A (en) * | 2014-04-28 | 2014-07-02 | 陕西航天动力高科技股份有限公司 | Locking type hydraulic torque converter for engineering machinery |
| CN203892502U (en) * | 2014-04-28 | 2014-10-22 | 陕西航天动力高科技股份有限公司 | Locking type hydraulic torque converter for engineering machinery |
| CN205315639U (en) * | 2015-12-18 | 2016-06-15 | 陕西航天动力高科技股份有限公司 | Light -tonnage is enclosed type torque converter for fork truck |
Non-Patent Citations (1)
| Title |
|---|
| 成大先: "《机械设计图册》", 31 May 2010 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035841A (en) * | 2016-12-06 | 2017-08-11 | 陕西航天动力高科技股份有限公司 | A kind of small tonnage fork car fluid torque-converter |
| CN106763633A (en) * | 2016-12-14 | 2017-05-31 | 广西柳工机械股份有限公司 | Hydraulic single-turbine torque converter |
| CN107606097A (en) * | 2017-10-09 | 2018-01-19 | 陕西航天动力高科技股份有限公司 | A kind of big pump impeller fluid torque-converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |
|
| RJ01 | Rejection of invention patent application after publication |