CN201827330U - V-shaped belt continuously variable transmission and width-adjustable belt wheel thereof - Google Patents
V-shaped belt continuously variable transmission and width-adjustable belt wheel thereof Download PDFInfo
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- CN201827330U CN201827330U CN2010205443287U CN201020544328U CN201827330U CN 201827330 U CN201827330 U CN 201827330U CN 2010205443287 U CN2010205443287 U CN 2010205443287U CN 201020544328 U CN201020544328 U CN 201020544328U CN 201827330 U CN201827330 U CN 201827330U
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Abstract
The utility model discloses a V-shaped belt continuously variable transmission and a width-adjustable belt wheel thereof. The width-adjustable belt wheel of the V-shaped belt continuously variable transmission comprises a transmission shaft and a movable belt wheel, the movable belt wheel comprises a left half wheel, a right half wheel, a width adjusting screw and a speed regulating bevel gear, the speed regulating bevel gear is loosely sleeved on the transmission shaft, the width adjusting screw penetrates through screw holes arranged on hubs of the left half wheel and the right half wheel and is provided with two sections of threads in opposite screwing directions, the two sections of threads are respectively screwed with the screw hole of the left half wheel and the screw hole of the right half wheel, and a bevel gear mounted at the front end of the screw meshes with the speed regulating bevel gear. In the V-shaped belt continuously variable transmission, the width-adjustable belt wheel is applied to a driving belt wheel and a driven belt wheel. The V-shaped belt continuously variable transmission and the width-adjustable belt wheel thereof are simple in structure and convenient in speed regulation.
Description
[technical field]
The utility model relates to stepless speed variator, relates in particular to a kind of accent broadband wheel and V-belt stepless speed variator of infinitely controlling the V-belt stepless speed variator of gear ratio by the V-shaped groove width that changes belt wheel.
[background technique]
Stepless speed variator is widely used in the various machineries, as automobile, bicycle and various work mechanism equipment that need speed change or the like.
Existing most V-belt stepless speed variator (transmission shaft, movable pulley and V-belt, partly take turns on a left side and right half pass of taking turns ties up to this description) take turns the V-shaped groove that constitutes adjustable-width by fixed semi-wheel and movable half, when speed change, changed V-strapped transmission radius, thereby changed transmission speed ratio as long as the width that mobile movable half wheel just can change V-shaped groove is corresponding thus.
Chinese patent application numbers 200720309206 has been announced a kind of shift fork speed governing V-belt stepless speed variator, use fixed semi-wheel and movable half wheel to form belt wheel, use shift fork to control the transmission radius that belt wheel is regulated in the slip vertically of movable half wheel, be smoothly adjustable-speed, need control shift fork by gas, hydraulic mechanism.
[summary of the invention]
The technical problems to be solved in the utility model provides a kind of simple in structure, and speed governing is the accent broadband wheel of V-belt stepless speed variator easily.
The technical problem that the utility model another one will solve provides a kind of speed governing V-belt stepless speed variator easily.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of accent broadband wheel of V-belt stepless speed variator, comprise transmission shaft and movable pulley, movable pulley comprises a left side half wheel and right half wheel, also comprise and transfer wide screw rod and speed governing cone gear, pine is enclosed within on the transmission shaft speed governing cone gear, transfer wide screw rod to pass the screw of being opened on the wheel hub of a left side half wheel and right half wheel, have on the screw rod the opposite screw thread of two sections rotation directions respectively with the screw of a left side half wheel and the screwhole spiro bonding of right half wheel, screw front end is equipped with cone gear and meshes with the speed governing cone gear.
More perfect is, comprises speed-adjustable motor and friction wheel, on the speed-adjustable motor output shaft friction wheel is housed, and the friction wheel edge contacts with the cylindrical edge of speed governing cone gear, and speed-adjustable motor drives the speed governing cone gear by friction wheel and rotates.
More perfect is, transfers wide screw rod to have 3 to 6, correspondingly on the wheel hub of a left side half wheel and right half wheel respectively has 3 to 6 screws and screws togather with transferring wide screw rod; The two ends of transferring wide screw rod are respectively by the ring support supporting, and ring support is installed on the transmission shaft.
The another one technological scheme that the utility model adopts is, a kind of V-belt stepless speed variator, comprise housing, initiatively transfer broadband wheel, passive accent broadband to take turns and V-belt, initiatively transferring broadband wheel and passive accent broadband wheel is respectively the accent broadband wheel of above-mentioned V-belt stepless speed variator, initiatively transfers the transmission shaft that take turns in the broadband and take turns in passive accent broadband to be supported by housing respectively; V-belt connects initiatively transfers broadband wheel and passive accent broadband wheel.
More perfect is to comprise driving wheel speed-adjustable motor, follower speed-adjustable motor, active friction wheel and driven friction wheel; Initiatively on the speed-adjustable motor output shaft active friction wheel is housed, active friction wheel edge and the EDGE CONTACT of initiatively transferring the speed governing cone gear of broadband wheel, the driving wheel speed-adjustable motor drives by active friction wheel initiatively transfers the speed governing cone gear of broadband wheel to rotate; On the follower speed-adjustable motor output shaft driven friction wheel is housed, driven friction wheel edge contacts with the cylindrical edge of the speed governing cone gear of driven accent broadband wheel, and the follower speed-adjustable motor rotates by the speed governing cone gear that driven friction wheel drives driven accent broadband wheel.
More perfect is, comprises the electronics conditioning unit, and the electronics conditioning unit is electrically connected with the alignment circuit of active speed-adjustable motor and the alignment circuit of driven speed-adjustable motor respectively.
The beneficial effects of the utility model are that simple and compact for structure, speed governing is convenient.
[description of drawings]
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the structural representation of the accent broadband wheel of the utility model embodiment 1V shape band stepless speed variator.
Fig. 2 is that A among Fig. 1 is to sectional view.
Fig. 3 is that B among Fig. 1 is to sectional view.
Fig. 4 is the plan view of the utility model embodiment 2V shape band stepless speed variator.
Fig. 5 is that C among Fig. 4 is to sectional view.
Fig. 6 is that D among Fig. 4 is to sectional view.
Among Fig. 1, Fig. 2 and Fig. 3, the 1-housing, a 2-left side half wheel, right half wheel of 3-, 4-transmission shaft, 5-are transferred wide screw rod, 6-ring support, 7-ring support, 8-cone gear, 9-flywheel, 10-V shape band, 18-friction wheel, 20-key, 21-end cap.
Among Fig. 4, Fig. 5 and Fig. 6,1-housing, 2-be a left side half wheel initiatively, initiatively right half wheel of 3-, the 4-input shaft, 5-is the wide screw rod of rotation initiatively, 6-driving wheel ring support, 7-driving wheel ring support, 8-cone gear, 9-is the speed governing cone gear initiatively, 10-V shape band, the driven left side of 11-half wheel, the driven right side of 12-half wheel, the 13-output shaft, the wide screw rod of the driven accent of 14-, 15-follower ring support, 16-follower ring support, the driven speed governing cone gear of 17-, the driven friction wheel of 18-, 19-active friction wheel, 20-key, the 21-end cap, the 22-key.
[embodiment]
The two ends of transferring wide screw rod are respectively by ring support 6 and 7 supportings, and 2 ring supports 6 are connected by the key with transmission shaft 4 with 7, are installed on the transmission shaft 4.
Present embodiment is when speed change, driving the loose flywheel 9 that is enclosed within on the transmission shaft 4 by speed-adjustable motor by friction wheel 18 rotates, if the rotating speed of flywheel 9 is during greater than the rotating speed of transmission shaft 4,9 of speed governing cone gears pass through cone gear 8 and drive wide screw rod 5 of accent and the equidirectional rotation of movable pulley, transferring 5 of wide screw rods to drive a left side by the screw engagement partly takes turns 2 and moves towards the two ends of transferring wide screw rod 5 with right half wheel, by a left side partly take turns 2 with right width of partly taking turns 3 V-shaped grooves that constitute strain is big mutually, make the transmission radius that is centered around the V-belt 10 on the movable pulley diminish.Otherwise, as the rotating speed of speed governing cone gear 9 during less than the rotating speed of transmission shaft 4, speed governing cone gear 9 drives by cone gear 8 and transfers wide screw rod 5 and movable pulley counter-rotation, transferring wide screw rod 5 to drive left sides partly takes turns 2 and partly takes turns 3 with the right side and move in the middle of transferring wide screw rod, a left side partly take turns 2 with the right 3 V-shaped groove narrowed width that constitute of partly taking turns, make the transmission radius of the V-belt 10 on the movable pulley become big.
In Fig. 4, Fig. 5 and embodiment 2 shown in Figure 6, be with 2 embodiments, 1 described accent broadband wheel respectively as driving pulley and driven pulley, add V-belt 10, housing, initiatively speed-adjustable motor and driven speed-adjustable motor have been formed the V-belt stepless speed variator.Driving pulley is contained on the input shaft 4, and driven pulley is contained on the output shaft 13, and input shaft 4 all is bearing on the housing by bearing with output shaft 13.Center on connection with V-belt 10 between driving pulley and the driven pulley.The structure of driving pulley is identical with embodiment's 1 described accent broadband wheel construction with the structure of driven pulley.Initiatively on the speed-adjustable motor output shaft active friction wheel 19 is housed, the EDGE CONTACT of the speed governing cone gear 9 of active friction wheel 19 edges and driving pulley, initiatively speed-adjustable motor rotates by the speed governing cone gear 9 that active friction wheel 19 drives driving pulley; Driven friction wheel 18 is housed on the driven speed-adjustable motor output shaft, and driven friction wheel edge contacts with the cylindrical edge of the speed governing cone gear 17 of driven pulley, and the follower speed-adjustable motor rotates by the speed governing cone gear 17 that driven friction wheel 18 drives driven pulley.
Be connected with the alignment circuit of active speed-adjustable motor and the alignment circuit of driven speed-adjustable motor respectively with an electronics conditioning unit.Carry out speed change when regulating at driving pulley and driven pulley, coordinate the synchronous backward speed change of two speed-adjustable motors by the electronics conditioning unit, that is: when the transmission radius of driving pulley diminished, the transmission radius of driven pulley increased synchronously, keep V-belt tension force constant, transmission speed ratio is corresponding to diminish; Otherwise, the corresponding increase of transmission speed ratio.
Claims (6)
1. take turns in the accent broadband of a V-belt stepless speed variator, comprise transmission shaft and movable pulley, described movable pulley comprises a left side half wheel and right half wheel, it is characterized in that, comprise and transfer wide screw rod and speed governing cone gear, described speed governing cone gear pine is enclosed within on the transmission shaft, the wide screw rod of described accent passes the screw of being opened on the wheel hub of a left side half wheel and right half wheel, have on the screw rod the opposite screw thread of two sections rotation directions respectively with the screw of a left side half wheel and the screwhole spiro bonding of right half wheel, screw front end is equipped with cone gear and meshes with the speed governing cone gear.
2. the accent broadband wheel of V-belt stepless speed variator according to claim 1, it is characterized in that, comprise speed-adjustable motor and friction wheel, on the described speed-adjustable motor output shaft friction wheel is housed, the friction wheel edge contacts with the cylindrical edge of speed governing cone gear, and speed-adjustable motor drives the speed governing cone gear by friction wheel and rotates.
3. the accent broadband of V-belt stepless speed variator according to claim 1 wheel is characterized in that the wide screw rod of described accent has 3 to 6, correspondingly on the wheel hub of a left side half wheel and right half wheel respectively has 3 to 6 screws and screws togather with transferring wide screw rod; The two ends of transferring wide screw rod are respectively by the ring support supporting, and described ring support is installed on the transmission shaft.
4. V-belt stepless speed variator, comprise housing, initiatively transfer broadband wheel, passive accent broadband to take turns and V-belt, it is characterized in that, described broadband wheel and the passive accent broadband wheel initiatively transferred is respectively the accent broadband wheel of the described V-belt stepless speed variator of claim 1, and the described transmission shaft of broadband wheel and passive accent broadband wheel of initiatively transferring is supported by housing respectively; Described V-belt connects initiatively transfers broadband wheel and passive accent broadband wheel.
5. V-belt stepless speed variator according to claim 4 is characterized in that, comprises driving wheel speed-adjustable motor, follower speed-adjustable motor, active friction wheel and driven friction wheel; On the described active speed-adjustable motor output shaft active friction wheel is housed, active friction wheel edge and the EDGE CONTACT of initiatively transferring the speed governing cone gear of broadband wheel, the driving wheel speed-adjustable motor drives by active friction wheel initiatively transfers the speed governing cone gear of broadband wheel to rotate; On the described follower speed-adjustable motor output shaft driven friction wheel is housed, driven friction wheel edge contacts with the cylindrical edge of the speed governing cone gear of driven accent broadband wheel, and the follower speed-adjustable motor rotates by the speed governing cone gear that driven friction wheel drives driven accent broadband wheel.
6. V-belt stepless speed variator according to claim 4 is characterized in that, comprises the electronics conditioning unit, and described electronics conditioning unit is electrically connected with the alignment circuit of active speed-adjustable motor and the alignment circuit of driven speed-adjustable motor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205443287U CN201827330U (en) | 2010-09-21 | 2010-09-21 | V-shaped belt continuously variable transmission and width-adjustable belt wheel thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205443287U CN201827330U (en) | 2010-09-21 | 2010-09-21 | V-shaped belt continuously variable transmission and width-adjustable belt wheel thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201827330U true CN201827330U (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205443287U Expired - Fee Related CN201827330U (en) | 2010-09-21 | 2010-09-21 | V-shaped belt continuously variable transmission and width-adjustable belt wheel thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201827330U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776525A (en) * | 2015-03-10 | 2015-07-15 | 东南大学 | CVT (Continuously Variable Transmission)-based coaxial parallel hybrid power gas heat pump system |
| CN105114567A (en) * | 2015-08-07 | 2015-12-02 | 上海理工大学 | Stepless speed-changing belt transmission mechanism |
-
2010
- 2010-09-21 CN CN2010205443287U patent/CN201827330U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776525A (en) * | 2015-03-10 | 2015-07-15 | 东南大学 | CVT (Continuously Variable Transmission)-based coaxial parallel hybrid power gas heat pump system |
| CN105114567A (en) * | 2015-08-07 | 2015-12-02 | 上海理工大学 | Stepless speed-changing belt transmission mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20140921 |
|
| EXPY | Termination of patent right or utility model |