CN101303072B - Stepless speed changer - Google Patents
Stepless speed changer Download PDFInfo
- Publication number
- CN101303072B CN101303072B CN2008100292803A CN200810029280A CN101303072B CN 101303072 B CN101303072 B CN 101303072B CN 2008100292803 A CN2008100292803 A CN 2008100292803A CN 200810029280 A CN200810029280 A CN 200810029280A CN 101303072 B CN101303072 B CN 101303072B
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- wheel
- cone pulley
- input shaft
- power input
- helical pitch
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Abstract
The invention discloses a continuously variable speed box. A power input shaft 1, a lead screw rod 3, a lead screw rod 8, a cone pulley 10 and a cone pulley 11 fixed on a frisket 15; an adjusting wheel 4 and a wheel 5 as well as an adjusting wheel 9 and a wheel 7 are respectively fixed on the lead screw rod 3 and the lead screw rod 8; a wheel 6 is fixed at the upper end of the power input shaft 1 and matched with the wheel 5 and the wheel 7 for transmission; the lower end of the power input shaft 1 is installed with a power output wheel 14 which is matched with t a wheel 12 and a wheel 13 for transmission which are installed at the lower ends of the cone pulley 10 and the cone pulley 11; the middle of the power input shaft 1 is also installed with a main wheel 2 which is matched with the adjusting wheel 4 and the adjusting wheel 9 for transmission. The continuously variable speed box of the invention has simple structure, easy fabrication, long service life, small variable resistance and low manufacture cost, and is convenient for repair, thereby being applicable to different places requiring continuous variable speed.
Description
Technical field
The present invention relates to a kind of transmission gear shift device.
Background technique
Along with the development of drive technology, also be constantly to improve aspect vehicular transmission.Chinese patent, patent No. ZL200620021308.5, name is called " automobile speed changer ", and this model utility relates to a kind of automobile speed changer.Gear ring among engine crankshaft and first planet row is connected, first, two, three planets rows is joined by the gear ring that is inserted in during the planet carrier in the planet wheel is arranged with second planet among first planet row respectively, sun gear is set among second planet row to join with planet carrier in the planet wheel that is inserted among the third line star row, sun gear and driven shaft among first planet row join, be inserted in that the planet carrier in the planet wheel is fixed on the case of transmission among second planet row, gear ring among the third line star row is fixed on the case of transmission, second, sun gear among the third line star row is equipped with bearing fixing respectively on driven shaft, sun gear among the third line star row is connected by the interior pump impeller of suspension axle sleeve and hydraulic couplers, disk is fixed on levitation axis and puts, extension bar passes from the hole of disk, sliding bearing is connected with blade by extension bar, turbine is fixed on the driven shaft, and pump impeller and turbine cartridge are in the hydraulic couplers housing.Its compact structure, reasonable in design.Patent No. ZL200720017863.5, name is called " a kind of automobile speed changer ", this model utility discloses a kind of automobile speed changer, belong to speed changer, be disposed with four Five-gear synchronizers, five grades of gears, three-range transmission, two third gear synchronizers, intermediate gear, one grade of gear, a reverse gear synchronizer, reverse gear in the housing on two of the intermediate portion from left to right; Be disposed with four or five grades of duplicate gear-jack shafts, two third gear duplicate gear-jack shafts on the jack shaft from left to right, idler shaft is provided with reverse idler gear; One grade of gear and jack shaft engagement, two third gear duplicate gear-jack shafts respectively with intermediate gear, three-range transmission engagement; Four or five grades of duplicate gear-jack shafts respectively with one, five grades gear engagement, reverse idler gear and jack shaft, reverse gear engagement.This automobile is compared with prior art with speed changer, has to have saved loam cake, simplifies the structure, and has improved characteristics such as speed changer transmitting torque ability and shift property.Document GB358177A also discloses a kind of buncher, and it mainly is to cooperate by gear transmission to adjust.Generally speaking, the prior art structure is complicated, and parts are many, cost height, inconvenient maintenance.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, make easily, the life-span is long, resistance is little a kind of stepless speed changes devices.
The object of the present invention is achieved like this:
A kind of stepless speed changes devices includes power input shaft 1, main wheel 2, the first helical pitch screw mandrel 3, the second helical pitch screw mandrel 8, first taper cone pulley 10, second taper cone pulley 11, fixing frame 15; Power input shaft 1, the first helical pitch screw mandrel 3, the second helical pitch screw mandrel 8, first taper cone pulley 10, second taper cone pulley 11 are fixed on the fixing frame 15; Main wheel 2 is installed on the power input shaft 1; Its structure outline is: first adjusts wheel 4, the first round 5 and the second adjustment wheel 9, third round 7 is separately fixed on the first helical pitch screw mandrel 3, the second helical pitch screw mandrel 8; Second takes turns 6 is fixed on the upper end of power input shaft 1 and cooperates with the first round 5, third round 7 transmissions; Second takes turns 6 is fixed on the upper end of power input shaft 1 and cooperates with the first round 5, third round 7 transmissions; The lower end of power input shaft 1 is equipped with power output wheel 14, and power output wheel 14 is taken turns 13 transmissions with the four-wheel the 12, the 5th that is installed in first taper cone pulley 10, second taper cone pulley, 11 lower ends and cooperated; The centre of power input shaft (1) also is equipped with main wheel (2), and main wheel 2 and first is adjusted 9 transmissions of wheel 4, the second adjustment wheel and cooperated; Above-mentioned first adjusts the wheel 4 or second adjustment wheel 9 comprises foreign steamer 16, helical pitch bar 17, screw hole 18; Foreign steamer 16 is connected with helical pitch bar 17 by bearing, and its outside cooperates with main wheel 2, first taper cone pulley 10, the 11 tight transmissions of second taper cone pulley; The screw hole 18 that cooperates with the first helical pitch screw mandrel 3 is positioned at the centre of the first adjustment wheel 4.
Above-mentioned power input shaft 1, the first helical pitch screw mandrel 3, the second helical pitch screw mandrel 8, first taper cone pulley 10, second taper cone pulley 11 by bearing fixing on fixing frame 15.
Above-mentioned second takes turns 6 by the upper end of bearing fixing at power input shaft 1.
The present invention has following beneficial effect compared with the prior art:
1, the present invention is simple in structure, making is easy, and is easy to maintenance, be applicable to the infinite variable speed place of various needs.
2, long service life of the present invention, the speed change resistance is little, fabricating cost is low.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is for adjusting the structural representation of wheel.
Embodiment
Embodiment 1
A kind of stepless speed changes devices, as shown in Figure 1, 2, comprise power input shaft 1, main wheel 2, the first helical pitch screw mandrel 3, first adjusts that wheel 4, the first round 5, second take turns 6, third round 7, the second helical pitch screw mandrel 8, second are adjusted wheel 9, first taper cone pulley 10, second taper cone pulley 11, four-wheel the 12, the 5th take turns 13, power output wheel 14, fixing frame 15, power input shaft 1, the first helical pitch screw mandrel 3, the second helical pitch screw mandrel 8, first taper cone pulley 10, second taper cone pulley 11 by bearing fixing on fixing frame 15; First adjusts wheel 4, the first round 5 and the second adjustment wheel 9, third round 7 is separately fixed on the first helical pitch screw mandrel 3, the second helical pitch screw mandrel 8; Second take turns 6 by bearing fixing in the upper end of power input shaft 1 and with the first round 5, third round 7 gear matched; The lower end of power input shaft 1 is equipped with power output wheel 14, and power output wheel 14 is taken turns 13 gear matched with the four-wheel the 12, the 5th that is installed in first taper cone pulley 10, second taper cone pulley, 11 lower ends; The centre of power input shaft 1 also is equipped with main wheel 2, and main wheel 2 and first is adjusted the 9 tight transmissions of wheel 4, the second adjustment wheel and cooperated.Above-mentioned first adjusts the wheel 4 or second adjustment wheel 9 comprises foreign steamer 16, helical pitch bar 17, screw hole 18; Foreign steamer 16 is connected with helical pitch bar 17 by bearing, and its outside cooperates with main wheel 2, first taper cone pulley 10, the 11 tight transmissions of second taper cone pulley; The screw hole 18 that cooperates with the first helical pitch screw mandrel 3 is positioned at the centre of the first adjustment wheel 4.
Working principle: when motor M drives the first helical pitch screw mandrel 3, drive first and adjust wheel 4 and move up and down, meanwhile by the first round 5, second take turns 6, third round 7 gear transmissions cooperate and drive the second helical pitch screw mandrel 8, drive second and adjust wheel 9 and move up and down synchronously.When reaching required speed change, motor M quits work.Power input shaft 1, main wheel 2 rotate at this moment, thereby drive first and adjust wheel 4, second adjustment wheel 9 rotation synchronously, therefore promote first taper cone pulley 10, four-wheel 12 and second taper cone pulley the 11, the 5th and take turns 13 rotations synchronously, because it is that gear transmission cooperates with power output wheel 14 that four-wheel the 12, the 5th takes turns 13, so power output wheel 14 is exported required rotating speed.When the first adjustment wheel, 4, the second adjustment wheel 9 was in the lower end, main wheel 2 microcephalies drove the major part of first taper cone pulley 10, second taper cone pulley 11, and lower rotating speed is arranged.When the first adjustment wheel, 4, the second adjustment wheel 9 was in the upper end, main wheel 2 major parts drove the microcephaly of first taper cone pulley 10, second taper cone pulley 11, and high rotational speed is arranged.
Claims (3)
1. a stepless speed changes devices includes power input shaft (1), main wheel (2), the first helical pitch screw mandrel (3), the second helical pitch screw mandrel (8), first taper cone pulley (10), second taper cone pulley (11), fixing frame (15); Power input shaft (1), the first helical pitch screw mandrel (3), the second helical pitch screw mandrel (8), first taper cone pulley (10), second taper cone pulley (11) are fixed on the fixing frame (15); Main wheel (2) is installed on the power input shaft (1); It is characterized in that: first adjusts wheel (4), the first round (5) and the second adjustment wheel (9), third round (7) is separately fixed on the first helical pitch screw mandrel (3), the second helical pitch screw mandrel (8); Second takes turns (6) is fixed on the upper end of power input shaft (1) and cooperates with the first round (5), third round (7) transmission; The lower end of power input shaft (1) is equipped with power output wheel (14), and power output wheel (14) is taken turns (13) transmission with the four-wheel (12), the 5th that is installed in first taper cone pulley (10), second taper cone pulley (11) lower end and cooperated; The centre of power input shaft (1) also is equipped with main wheel (2), and main wheel (2) and first is adjusted wheel (4), second adjustment wheel (9) transmission cooperates; The first adjustment wheel (4) or second is adjusted wheel (9) and is comprised foreign steamer (16), helical pitch bar (17), screw hole (18); Foreign steamer (16) is connected with helical pitch bar (17) by bearing, and its outside cooperates with main wheel (2), first taper cone pulley (10), the tight transmission of second taper cone pulley (11); The screw hole (18) that cooperates with the first helical pitch screw mandrel (3) is positioned at first and adjusts the centre of taking turns (4).
2. according to the described a kind of stepless speed changes devices of claim 1, it is characterized in that: power input shaft (1), the first helical pitch screw mandrel (3), the second helical pitch screw mandrel (8), first taper cone pulley (10), second taper cone pulley (11) by bearing fixing on fixing frame (15).
3. according to the described a kind of stepless speed changes devices of claim 1, it is characterized in that: second takes turns (6) by the upper end of bearing fixing in power input shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100292803A CN101303072B (en) | 2008-07-02 | 2008-07-02 | Stepless speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100292803A CN101303072B (en) | 2008-07-02 | 2008-07-02 | Stepless speed changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101303072A CN101303072A (en) | 2008-11-12 |
| CN101303072B true CN101303072B (en) | 2011-11-02 |
Family
ID=40113107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100292803A Expired - Fee Related CN101303072B (en) | 2008-07-02 | 2008-07-02 | Stepless speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101303072B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059127B (en) * | 2019-12-17 | 2021-08-17 | 张春涛 | Gear transmission case |
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2008
- 2008-07-02 CN CN2008100292803A patent/CN101303072B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101303072A (en) | 2008-11-12 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20130702 |