CN204344855U - The motor adjustment stepless speed variator system that clamping force regulates can be realized - Google Patents
The motor adjustment stepless speed variator system that clamping force regulates can be realized Download PDFInfo
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- CN204344855U CN204344855U CN201420782026.1U CN201420782026U CN204344855U CN 204344855 U CN204344855 U CN 204344855U CN 201420782026 U CN201420782026 U CN 201420782026U CN 204344855 U CN204344855 U CN 204344855U
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Abstract
The utility model relates to a kind of motor adjustment stepless speed variator system that can realize clamping force and regulate, comprise power input shaft, driving pulley, pto＝power take-off, driven pulley and connect the V-type driving belt of described driving pulley and driven pulley, driving pulley Moving plate is moved by the first Transmission Ratio Control mechanism controls, driven pulley Moving plate is moved by the second Transmission Ratio Control mechanism controls, is connected between the first Transmission Ratio Control mechanism with the second Transmission Ratio Control mechanism by clutch.Adopt this motor that can realize clamping force adjustment to regulate stepless speed variator system, stepless speed variator can be made to operate in its maximal efficiency place all the time, thus improve the transmission efficiency of stepless speed variator, decrease the wearing and tearing of driving belt, improve the working life of driving belt.
Description
Technical field
The utility model relates to a kind of stepless speed variator system, especially a kind of motor adjustment stepless speed variator system that can realize clamping force and regulate.
Background technique
Automotive transmission must adapt to vehicle and start to walk, accelerates, travels and overcoming under the different driving conditions such as different kinds of roads obstacle the different requirements driving net tractive force of wheel and the speed of a motor vehicle.In order to make full use of the power of motor, improve fuel economy and improve the emission performance of automobile, desirable automotive transmission should have the velocity ratio of stepless change and can carry out speed ratio optimization control.At present, automobile chassis system is toward automatically controlledization, integration, integrated future development, and electric power steering, electrical braking, electric air-conditioning etc. are just becoming the trend of China Automobile Industry.Stepless speed variator is as the important component part of automobile chassis system, its speed ratio actuator adopts full electricity to regulate, comply with the developing direction on current power chassis, and be conducive to integrated, the integrated control of transmission system and the chassis such as electric power steering, electrical braking other system, thus effectively promote the properties of automobile.On Vehicles Collected from Market, nearly all speed ratio continually varying speed changer (CVT) all have employed electric & hydraulic control system.
Chinese patent Authorization Notice No. is the Transmission Ratio Control device that the utility model patent of CN101975269B discloses a kind of variable v-belt drive, and it comprises direct current generator and controller thereof, two groups of gear drives, two groups of screw machanisms, Liang Zu spring assist mechanism and plane bearings and needle bearings are some.Wherein, direct current generator is as the power source of the Transmission Ratio Control of speed changer, by the control to motor steering and corner, and motor corner is converted into the axial displacement of the belt wheel Moving plate of variable v-belt drive under the cooperation of spring by two groups of gear drives and with its screw machanism be connected separately, and then by changing the contact radius of V-type driving belt and driving and driven pulley sheaves, realize the consecutive variations of speed ratio under stepless speed variator difference operating mode.
In above-mentioned Transmission Ratio Control device, because the second helical screw of the second displacement control mechanism passes from pto＝power take-off, need to install needle bearing additional in the middle of the second helical screw and pto＝power take-off, the location of needle bearing makes the second helical screw and Power output Structural Design of Shaft more complicated, Power output shaft diameter also can be caused to become large simultaneously, and then make the aperture in the middle of driven pulley Moving plate and driven pulley price fixing become large, the the second plane bearing size directly contacted with driven pulley Moving plate also increases thereupon, because assembling needs, the installation of the second plane bearing needs to install mounting hole additional at driven pulley Moving plate, aperture becomes large, the intensity of belt wheel Moving plate can be made to reduce, affect working life, meanwhile, this Transmission Ratio Control device can only realize speed-ratio regulation, can not realize the adjustment of clamping force.
Variable v-belt drive clamping force is the necessary condition ensureing its transmission of torque, and generally, clamping force is larger, and within the scope of the transmission of torque of stepless speed variator, its torque of transmitting is larger.On the stepless speed variator of the electric & hydraulic control mode that current automobile adopts, in order to not occur skidding when ensureing its transmission of torque, the peak torque setting clamping force can transmitted according to it, so not only causing the loss of the hydraulic energy when transmitting less torque, also can reduce the transmission efficiency of stepless speed variator.
Model utility content
The technical problems to be solved in the utility model is: in order to provide a kind of motor adjustment stepless speed variator system that can realize clamping force and regulate, stepless speed variator can be made to operate in its maximal efficiency place all the time, thus improve the transmission efficiency of stepless speed variator, driving belt is also avoided to be in maximum clamping force place all the time, decrease the wearing and tearing of driving belt, improve the working life of driving belt.
The utility model solves the technological scheme that its technical problem adopts: a kind ofly can realize the motor that clamping force regulates and regulate stepless speed variator system, comprise power input shaft, driving pulley, pto＝power take-off, driven pulley and connect the V-type driving belt of described driving pulley and driven pulley, described driving pulley comprises the driving pulley price fixing and driving pulley Moving plate that are respectively oppositely arranged for taper type and with end face, described driven pulley comprises the driven pulley price fixing and driven pulley Moving plate that are respectively oppositely arranged for taper type and with end face, described driving pulley Moving plate is moved by the first Transmission Ratio Control mechanism controls, described driven pulley Moving plate is moved by the second Transmission Ratio Control mechanism controls, described first Transmission Ratio Control mechanism comprises speed ratio actuating motor, the first carrier wheel being fixed on the first fixed gear on the output shaft of speed ratio actuating motor and engaging with the first fixed gear, described first carrier wheel to be set on power input shaft and to be fixedly connected with driving pulley Moving plate, speed ratio actuating motor rotates to make the first carrier wheel drive driving pulley Moving plate to move left and right by driving first fixed gear, described second Transmission Ratio Control mechanism comprises clamping force and regulates motor, be fixed on the second carrier wheel that clamping force regulates the second fixed gear on the output shaft of motor and engages with the second fixed gear, described second carrier wheel to be set on pto＝power take-off and to be fixedly connected with driven pulley Moving plate, clamping force regulates motor to rotate to make the second carrier wheel drive driven pulley Moving plate to move left and right by driving second fixed gear, output shaft and the clamping force of described speed ratio actuating motor are regulated between the output shaft of motor and are connected by clutch.
In the utility model one preferred embodiment, described power input shaft and pto＝power take-off all have the axle collar, and driving pulley price fixing is fixed on the collar left position of power input shaft, and driving pulley Moving plate empty set is on the collar right position of power input shaft; Driven pulley price fixing is fixed on the collar right position of pto＝power take-off, and driven pulley Moving plate empty set is on the collar left position of pto＝power take-off.
In the utility model one preferred embodiment, also comprise left shaft holder and right bearing seat, the output shaft of described speed ratio actuating motor, clamping force regulate the output shaft of motor, power input shaft and pto＝power take-off to be all arranged between left shaft holder, right bearing seat.
In the utility model one preferred embodiment, described power input shaft is set with the first hollow screw mandrel, described first hollow screw mandrel is threaded with the center hole of the first carrier wheel and is fixed on right bearing seat, the described driving pulley Moving plate back side is provided with the first intermediate bearing, the first intermediate bearing by empty set on power input shaft and by be fixed on the first carrier wheel first intermediate bearing end cap locate; Described pto＝power take-off is set with the second hollow screw mandrel, described second hollow screw mandrel is threaded with the center hole of the second carrier wheel and is fixed on left shaft holder, the described driven pulley Moving plate back side is provided with the second intermediate bearing, the second intermediate bearing by empty set on pto＝power take-off and by be fixed on the second carrier wheel second intermediate bearing end cap locate.
The beneficial effects of the utility model are: adopt this motor to regulate stepless speed variator system, under specific speed ratio, if extraneous load becomes large, by Clutch Control, after disconnecting two ends motor shaft, regulate motor that driven pulley Moving plate is moved to price fixing direction by controlling clamping force, clamping force is applied to driving belt, because driving pulley place price fixing and Moving plate position all remain unchanged, now driving belt is tensioned, stepless speed variator driving torque can become large along with load and increase, and improves the transmission efficiency of this feature speed ratio; The maximum transmission efficiency corresponding with tension force according to stepless speed variator transmitting torque regulates motor to control to clamping force, stepless speed variator can be made to operate in its maximal efficiency place all the time, thus improve the transmission efficiency of stepless speed variator; All the time be in maximum clamping force place owing to avoiding driving belt, decrease the wearing and tearing of driving belt, improve the working life of driving belt.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation that the utility model can realize the motor adjustment stepless speed variator system that clamping force regulates.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of motor adjustment stepless speed variator system that can realize clamping force and regulate, comprise power input shaft 12, driving pulley 13, pto＝power take-off 22, driven pulley 23 and connect the V-type driving belt of described driving pulley 13 and driven pulley 23, described driving pulley 13 comprises the driving pulley price fixing 13-1 and driving pulley Moving plate 13-2 that are respectively oppositely arranged for taper type and with end face, described driven pulley 23 comprises the driven pulley price fixing 23-1 and driven pulley Moving plate 23-2 that are respectively oppositely arranged for taper type and with end face, described driving pulley Moving plate 13-2 is moved by the first Transmission Ratio Control mechanism controls, described driven pulley Moving plate 23-2 is moved by the second Transmission Ratio Control mechanism controls.
Described first Transmission Ratio Control mechanism is identical with the structure of the second Transmission Ratio Control mechanism, and the component specification of correspondence is identical.
The first carrier wheel 16 that described first Transmission Ratio Control mechanism comprises speed ratio actuating motor 4, is fixed on the first fixed gear 19 on the output shaft 5 of speed ratio actuating motor 4 and engages with the first fixed gear 19, described first carrier wheel 16 to be set on power input shaft 12 and to be fixedly connected with driving pulley Moving plate 13-2, and speed ratio actuating motor 4 rotates to make the first carrier wheel 16 drive driving pulley Moving plate 13-2 to move left and right by driving first fixed gear 19.
Described second Transmission Ratio Control mechanism comprises clamping force and regulates motor 6, be fixed on the second carrier wheel 26 that clamping force regulates the second fixed gear 29 on the output shaft 7 of motor 6 and engages with the second fixed gear 29, described second carrier wheel 26 to be set on pto＝power take-off 22 and to be fixedly connected with driven pulley Moving plate 23-2, clamping force regulates motor 6 to rotate to make the second carrier wheel 26 drive driven pulley Moving plate 23-2 to move left and right by driving second fixed gear 29, output shaft 5 and the clamping force of described speed ratio actuating motor 4 are regulated between the output shaft 7 of motor 6 and are connected by clutch 9, clutch 9 can realize the fixing and disengaging of the output shaft 22 of speed ratio actuating motor 4 and the output shaft 7 of clamping force adjustment motor 6.
Described power input shaft 12 and pto＝power take-off 22 all have the axle collar, and driving pulley price fixing 13-1 is fixed in the axle collar 12-1 left-hand portion of power input shaft 12, and driving pulley Moving plate 13-2 empty set is on the right side of the axle collar 12-1 of power input shaft 12 on position; On the right side of the axle collar 22-1 that driven pulley price fixing 23-1 is fixed on pto＝power take-off 22 on position, driven pulley Moving plate 23-2 empty set is in the axle collar 22-1 left-hand portion of pto＝power take-off 22.
Being connected with right bearing seat 3 by bearing 6-2 of the output shaft 5 of described speed ratio actuating motor 4, bearing 6-2 is located by bearing support 6-1; Described clamping force regulates being connected with left shaft holder 2 by bearing 8-2 of the output shaft 7 of motor 6, and bearing 8-2 is located by bearing support 8-1.
The right-hand member of described power input shaft 12 is connected with the first hollow screw mandrel 17 by the first right bearing 18-2, and the first right bearing 18-2 is located by the first right bearing end cap 18-1 be fixed on the first hollow screw mandrel 17; The left end of power input shaft 12 is connected with left shaft holder 2 by the first left bearing 11-2, and the first left bearing 11-2 is located by the first left bearing end cap 11-1 be fixed on left shaft holder 2.
The left end of described pto＝power take-off 22 is connected with the second hollow screw mandrel 27 by the second left bearing 28-2, and the second left bearing 28-2 is located by the second left bearing end cap 28-1 be fixed on the second hollow screw mandrel 27; The right-hand member of pto＝power take-off 22 is connected with right bearing seat 3 by the second right bearing 21-2, and the second right bearing 21-2 is located by the second right bearing end cap 21-1 be fixed on right bearing seat 3.
During running, when switch control rule clutch 9 engages, then the output shaft 5 of speed ratio actuating motor 4 and clamping force regulate between the output shaft 7 of motor 6 and fix, when speed ratio actuating motor 4 operates, drive the first fixed gear 19 and the second fixed gear 29 to rotate by the output shaft 5 of speed ratio actuating motor 4 simultaneously, and then driving the first carrier wheel 16 and the second carrier wheel 26 to rotate, the first carrier wheel 16 and the second carrier wheel 26 can move axially while rotation.The first carrier wheel 16 by the first intermediate bearing end cap 15, first intermediate bearing 14 promote driving pulley Moving plate 13-2 be moved to the left time, second carrier wheel 26 promotes driven pulley Moving plate 23-2 by the second intermediate bearing end cap 25, second intermediate bearing 24 and is moved to the left, V-type driving belt upwards promotes, V-type driving belt gives driven pulley Moving plate 23-2 active force left, driven pulley Moving plate 23-2 is moved to the left, and now speed ratio diminishes.In like manner, driving pulley Moving plate 13-2 moves right, and is also to realize under the effect of V-type driving belt.When switch control rule clutch 9 disconnects, then the output shaft 5 of speed ratio actuating motor 4 and clamping force regulate between the output shaft 7 of motor 6 and are separated, speed ratio actuating motor 4 operates, the first fixed gear 19 is driven to rotate by the output shaft 5 of speed ratio actuating motor 4, clamping force regulates motor 6 to operate, the output shaft 7 of motor 6 is regulated to drive the second fixed gear 29 to rotate by clamping force, and then driving the first carrier wheel 16 and the second carrier wheel 26 to rotate respectively, the first carrier wheel 16 and the second carrier wheel 26 can move axially while rotation.First carrier wheel 16 is by the first intermediate bearing end cap 15, first intermediate bearing 14 promotes driving pulley Moving plate 13-2 when being moved to the left, now, keep specific speed ratio, motor 6 is regulated to make driven pulley Moving plate 23-2 mobile to driven pulley price fixing 23-1 direction (to the right) by regulating clamping force, clamping force is applied to V-type driving belt, because driving pulley price fixing 13-1 and driving pulley Moving plate 13-2 position all remain unchanged, now V-type driving belt is tensioned, stepless speed variator driving torque can become large along with load and increase, improve the transmission efficiency under this specific speed ratio.
When vehicle start, the speed ratio of the speed ratio actuator that stepless speed variator system is corresponding is maximum; When after vehicle start, along with the speed of a motor vehicle slowly improves, according to the speed of operation information of engine speed dtc signal, vehicle and the Transmission Ratio Control strategy of design and Transmission Ratio Control rule, stepless speed variator system regulates rotating speed and the corner of motor by Transmission Ratio Control unit controls first, driving and driven belt wheel Moving plate is driven to move axially by Transmission Ratio Control mechanism, change the contact radius of V-type driving belt and the fixed and moving dish of belt wheel, thus change the speed ratio of stepless speed variator system.
Compared with prior art, this motor is adopted to regulate stepless speed variator system, under specific speed ratio, if extraneous load becomes large, control by clutch 9, after disconnecting two ends motor shaft, regulate motor that driven pulley Moving plate 23-2 is moved to price fixing direction by controlling clamping force, clamping force is applied to driving belt, because driving pulley place price fixing 13-1 and Moving plate position all remain unchanged, now driving belt is tensioned, and stepless speed variator driving torque can become large along with load and increase, and improves the transmission efficiency under this specific speed ratio; The maximum transmission efficiency corresponding with tension force according to stepless speed variator transmitting torque regulates motor to control to clamping force, stepless speed variator can be made to operate in its maximal efficiency place all the time, thus improve the transmission efficiency of stepless speed variator; All the time be in maximum clamping force place owing to avoiding driving belt, decrease the wearing and tearing of driving belt, improve the working life of driving belt.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this model utility technological thought, can carry out various change and amendment completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to right.
Claims (4)
1. the motor adjustment stepless speed variator system that can realize clamping force and regulate, comprise power input shaft (12), driving pulley (13), pto＝power take-off (22), driven pulley (23) and connect the V-type driving belt (20) of described driving pulley (13) and driven pulley (23), described driving pulley (13) comprises the driving pulley price fixing (13-1) and driving pulley Moving plate (13-2) that are respectively oppositely arranged for taper type and with end face, described driven pulley (23) comprises the driven pulley price fixing (23-1) and driven pulley Moving plate (23-2) that are respectively oppositely arranged for taper type and with end face, it is characterized in that: described driving pulley Moving plate (13-2) is moved by the first Transmission Ratio Control mechanism controls, described driven pulley Moving plate (23-2) is moved by the second Transmission Ratio Control mechanism controls, described first Transmission Ratio Control mechanism comprises speed ratio actuating motor (4), the first carrier wheel (16) being fixed on the first fixed gear (19) on the output shaft (5) of speed ratio actuating motor (4) and engaging with the first fixed gear (19), described first carrier wheel (16) is set in power input shaft (12) and goes up and be fixedly connected with driving pulley Moving plate (13-2), speed ratio actuating motor (4) rotates to make the first carrier wheel (16) drive driving pulley Moving plate (13-2) to move left and right by driving first fixed gear (19), described second Transmission Ratio Control mechanism comprises clamping force and regulates motor (6), be fixed on the second carrier wheel (26) that clamping force regulates the second fixed gear (29) on the output shaft (7) of motor (6) and engages with the second fixed gear (29), described second carrier wheel (26) is set in pto＝power take-off (22) and goes up and be fixedly connected with driven pulley Moving plate (23-2), clamping force regulates motor (6) to rotate to make the second carrier wheel (26) drive driven pulley Moving plate (23-2) to move left and right by driving second fixed gear (29), output shaft (5) and the clamping force of described speed ratio actuating motor (4) are regulated between the output shaft of motor (6) (7) and are connected by clutch (9).
2. can realize the motor adjustment stepless speed variator system that clamping force regulates as claimed in claim 1, it is characterized in that: described power input shaft (12) and pto＝power take-off (22) all have the axle collar, driving pulley price fixing (13-1) is fixed in the axle collar (12-1) left-hand portion of power input shaft (12), on the position, the axle collar (12-1) right side of driving pulley Moving plate (13-2) empty set in power input shaft (12); Driven pulley price fixing (23-1) is fixed on the position, the axle collar (22-1) right side of pto＝power take-off (22), and driven pulley Moving plate (23-2) empty set is in the axle collar (22-1) left-hand portion of pto＝power take-off (22).
3. can realize the motor adjustment stepless speed variator system that clamping force regulates as claimed in claim 1, it is characterized in that: also comprise left shaft holder (2) and right bearing seat (3), the output shaft (5) of described speed ratio actuating motor (4), clamping force regulate the output shaft (7) of motor (6), power input shaft (12) and pto＝power take-off (22) to be all arranged between left shaft holder (2), right bearing seat (3).
4. can realize the motor adjustment stepless speed variator system that clamping force regulates as claimed in claim 3, it is characterized in that: described power input shaft (12) is set with the first hollow screw mandrel (17), described first hollow screw mandrel (17) is threaded with the center hole of the first carrier wheel (16) and is fixed on right bearing seat (3), described driving pulley Moving plate (13-2) back side is provided with the first intermediate bearing (14), first intermediate bearing (14) is upper and located by the first intermediate bearing end cap (15) be fixed on the first carrier wheel (16) at power input shaft (12) by empty set, described pto＝power take-off (22) is set with the second hollow screw mandrel (27), described second hollow screw mandrel (27) is threaded with the center hole of the second carrier wheel (16) and is fixed on left shaft holder (2), described driven pulley Moving plate (23-2) back side is provided with the second intermediate bearing (24), and the second intermediate bearing (14) is upper and located by the second intermediate bearing end cap (25) be fixed on the second carrier wheel (26) at pto＝power take-off (22) by empty set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420782026.1U CN204344855U (en) | 2014-12-12 | 2014-12-12 | The motor adjustment stepless speed variator system that clamping force regulates can be realized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420782026.1U CN204344855U (en) | 2014-12-12 | 2014-12-12 | The motor adjustment stepless speed variator system that clamping force regulates can be realized |
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| CN204344855U true CN204344855U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420782026.1U Expired - Fee Related CN204344855U (en) | 2014-12-12 | 2014-12-12 | The motor adjustment stepless speed variator system that clamping force regulates can be realized |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482155A (en) * | 2014-12-12 | 2015-04-01 | 江苏理工学院 | Motor adjusting continuously variable transmission system capable of realizing clamping force adjustment |
| CN111810600A (en) * | 2020-08-18 | 2020-10-23 | 广州艾可米汽车科技股份有限公司 | Diaphragm spring type continuously variable transmission |
| CN112319516A (en) * | 2020-11-16 | 2021-02-05 | 娄底市同丰科技有限公司 | Speed regulating device of mining aerial passenger ropeway |
-
2014
- 2014-12-12 CN CN201420782026.1U patent/CN204344855U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482155A (en) * | 2014-12-12 | 2015-04-01 | 江苏理工学院 | Motor adjusting continuously variable transmission system capable of realizing clamping force adjustment |
| CN104482155B (en) * | 2014-12-12 | 2017-02-01 | 江苏理工学院 | Motor adjusting continuously variable transmission system capable of realizing clamping force adjustment |
| CN111810600A (en) * | 2020-08-18 | 2020-10-23 | 广州艾可米汽车科技股份有限公司 | Diaphragm spring type continuously variable transmission |
| CN112319516A (en) * | 2020-11-16 | 2021-02-05 | 娄底市同丰科技有限公司 | Speed regulating device of mining aerial passenger ropeway |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20161212 |