CN102478105A - Intelligent pressuring continuously-variable transmission - Google Patents
Intelligent pressuring continuously-variable transmission Download PDFInfo
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- CN102478105A CN102478105A CN2010105581065A CN201010558106A CN102478105A CN 102478105 A CN102478105 A CN 102478105A CN 2010105581065 A CN2010105581065 A CN 2010105581065A CN 201010558106 A CN201010558106 A CN 201010558106A CN 102478105 A CN102478105 A CN 102478105A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 100
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/04—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
- F16H63/06—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions
- F16H63/067—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions mechanical actuating means
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- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H9/18—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
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- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
- F16H55/56—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
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- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/04—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
- F16H63/06—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions
- F16H63/062—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions electric or electro-mechanical actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
- Friction Gearing (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the field of transmissions, in particular to an intelligent pressuring continuously-variable transmission, aiming at solving the problems of low transmission efficiency, shorter system life, poorer reliability and the like of the continuously-variable transmission in the prior art. The continuously-variable transmission is provided with two transmission shafts which are parallel to each other, wherein the two transmission shafts are respectively provided with two pairs of conical discs; a flexible transmission element is clamped between the conic discs; and one conic disc of the at least one pair of the conical discs is mutually connected with the transmission shaft to which the conical disc belongs in a rolling spiral or sliding spiral manner. One conic disc of the at least one pair of the conical discs is connected with the transmission shaft to which the conic disc belongs by a thrust bearing or other manners which can ensure the conic disc and the transmission shaft to which the conic disc belongs to be capable of relatively rotating and incapable of axially and relatively moving. The intelligent pressuring continuously-variable transmission drives a screw mechanism to tightly pressure the conical discs and the flexible transmission element to transmit motive power and move through a driving shaft or an output shaft or the driving shaft and the output shaft. The transmission efficiency of the continuously-variable transmission is improved, and the loads of all the parts are reduced.
Description
Technical field:
The present invention relates to the speed changer field, be specially a kind of intelligence pressurization stepless speed variator, be mainly used in fields such as transport facility, engineering machinery, dynamic power machine.
Background technique:
The cone disk type stepless speed variator is widely used in the traffic tool, engineering machinery, agricultural machinery, power generating equipment and other industrial fields, by the flexible transmission component that is held between the awl dish, like rubber tape, steel band, chain etc., with friction mode transferring power and motion.Its pressurizing system has guaranteed that the friction between awl dish and the flexible transmission component connects, and is the key component in this type of stepless speed variator.
At present, general stepless speed variator pressurizing system has hydraulic system and spring system, and the characteristics of this type systematic are to exert pressure to the awl dish according to predefined pattern of pressure, but can't be to the suffered load real-time intelligent of speed changer ground adjustment pressure.Like this, the design moulding pressure is more a lot of greatly than the pressure of actual demand, guarantees the function and the reliability of system.The result who brings thus is, the transmission efficiency of stepless speed variator descends, and the load of each parts increases, lifetime of system and reliability decrease, and system can't make a response to sudden change load effectively.
Summary of the invention:
The purpose of this invention is to provide a kind of intelligence pressurization stepless speed variator, the transmission efficiency that solves the stepless speed variator that exists in the existing technology is lower, and lifetime of system and reliability are relatively poor, and cost is than problems such as height.
Technological scheme of the present invention is:
A kind of intelligence pressurization stepless speed variator has at least two transmission shafts parallel to each other, wherein on two transmission shafts at least one pair of awl dish is arranged respectively respectively, and clamping has at least one flexible transmission component between the awl dish;
An awl dish at least one pair of awl dish is connected mutually with the slip screw kind of drive or the rolling screw kind of drive with its affiliated transmission shaft.
Described intelligence pressurization stepless speed variator, awl dish at least one pair of awl dish with its under transmission shaft with thrust-bearing, or other can guarantee that this awl dish and transmission shaft under it can relatively rotate, the mode that can not axially relatively move connects.
Be provided with sliding bearing or the rolling bearing that radially carries between said awl dish and the transmission shaft under it.
Described intelligence pressurization stepless speed variator, at least one pair of awl dish, two awl dishes are with the ball key, or spline, or other can guarantee that these two awl dishes can move to axial, and mode connects in relative rotation.
Described intelligence pressurization stepless speed variator; An awl dish back side at least one pair of awl dish is by the spring axial compression; The other end of spring passes through thrust-bearing; Or other can not move to axial, mode is connected on the transmission shaft under it in relative rotation, this flexible transmission component to awl dish and clamping is therebetween compressed each other.
Described intelligence pressurization stepless speed variator, in every pair of awl dish, or two dishes all are the awl dish, or one of them is the awl dish, another is the square position.
Described intelligence pressurization stepless speed variator, flexible transmission component is that stepless speed variator is used propulsion steel strip, or continuously variable transmission metal belt, or chain, or the V-type band, or other closed loop flexible elements.
On the described intelligence pressurization stepless speed variator, transmission shaft therewith between the axle the mutual axially movable awl dish back side be connected with screw mechanism, or other can drive the axial motion or be compounded with the mechanism of axial motion in relative rotation on this transmission shaft of this awl dish; The nut of this screw mechanism and screw rod are connected with awl dish and transmission shaft through bearing respectively.
Described intelligence pressurization stepless speed variator; The back side is connected with the awl dish of screw mechanism; Be connected mutually with the slip screw kind of drive or the rolling screw kind of drive with transmission shaft under it; Awl dish that it is relative and affiliated transmission shaft be with thrust-bearing, or other can guarantee that this awl dish and transmission shaft under it can relatively rotate, and the mode that can not axially relatively move connects;
Perhaps; This back side is connected with the awl dish of screw mechanism; Can move axially each other with ball key or spline or other with transmission shaft under it but in relative rotation mode be connected; Awl dish and affiliated transmission shaft that it is relative are connected, and the awl dish back side that this moment, this back side was connected with screw mechanism is connected with spring-loaded mechanism, or does not have pressurizing mechanism.
Described intelligence pressurization stepless speed variator; Stepless speed variator be provided with the screw axis that initiatively pressurizes, driving shaft mantle dish, driving shaft decide awl dish, initiative taper dish pressurizing mechanism, driven pressurization screw axis, driven shaft mantle dish, driven shaft decide the awl dish, from mantle dish pressurizing mechanism, flexible transmission component; Initiatively pressurize and the awl dish that a pair of conical surface is oppositely arranged is installed on the screw axis: driving shaft mantle dish and driving shaft are decided the awl dish, and the awl dish that a pair of conical surface is oppositely arranged is installed on the driven pressurization screw axis: driven shaft is decided awl dish and driven shaft mantle dish; The transmission shaft of deciding under awl dish and its of screw axis and driven pressurization screw axis of initiatively pressurizeing can relatively rotate, and can not move axially; The transmission shaft that initiatively pressurizes under mantle dish and its of screw axis and driven pressurization screw axis can relatively rotate and move axially; The clamping flexible transmission component between awl dish and the awl dish on the driven pressurization screw axis on the screw axis that initiatively pressurizes, initiatively pressurize screw axis and driven pressurization screw axis are in transmission connection through flexible transmission component; Initiative taper dish pressurizing mechanism is provided with the initiative taper dish pressurizing nut that is integrated on the driving shaft mantle dish, is integrated in the initiative taper dish pressurization screw rod on the screw axis that initiatively pressurizes; The driving shaft pressurizing nut is set on the driving shaft pressurization screw rod, and initiative taper dish pressurization screw rod and initiative taper dish pressurizing nut are installed through screw fit; Driving shaft is decided the awl dish and is installed on the screw axis that initiatively pressurizes, and driving shaft mantle dish is decided to be connected through ball key or spline between the awl dish with driving shaft; Initiative taper dish pressurization screw rod is an one with the screw axis that initiatively pressurizes, initiative taper dish pressurizing nut and driving shaft mantle dish one; The back side of driving shaft mantle dish is provided with the motor driving speed regulating mechanism; The motor driving speed regulating mechanism is the spiral speed regulation structure; This mechanism is provided with speed governing nut and speed adjustment screw; Speed adjustment screw and speed governing nut are installed through screw fit, and speed adjustment screw is connected to driving shaft mantle dish through bearing, the speed governing nut through Bearing Installation on the screw axis that initiatively pressurizes; The output terminal speed adjustment screw of motor driving speed regulating mechanism is connected through bearing with the screw axis that initiatively pressurizes, and the input end of motor driving speed regulating mechanism is connected with speed-adjustable motor; From mantle dish pressurizing mechanism be provided be integrated on the driven shaft mantle dish from mantle dish pressurizing nut, be integrated on the driven pressurization screw axis from mantle dish pressurization screw rod; Be set in from mantle dish pressurization screw rod from mantle dish pressurizing nut, install through screw fit from mantle dish pressurization screw rod and from mantle dish pressurizing nut; Driven shaft is decided the awl dish and is installed on the driven pressurization screw axis, and driven shaft mantle dish is decided to be connected through ball key or spline between the awl dish with driven shaft; From mantle dish pressurization screw rod and driven pressurization screw axis is one, from mantle dish pressurizing nut and driven shaft mantle dish one; There is holddown spring at the driven shaft mantle dish back side, and holddown spring is connected through bearing with the link of driven pressurization screw axis.
The invention has the beneficial effects as follows:
1, the mode with slip screw transmission or rolling screw transmission is connected between awl dish on the transmission shaft of the present invention and the transmission shaft; Can guarantee that with thrust-bearing or other awl dish and transmission shaft can relatively rotate between another awl dish and the transmission shaft; But the mode that can not axially relatively move connects; Can guarantee that with ball key or spline or other these two awl dishes can move to axial between these two awl dishes, mode connects in relative rotation.When transmission shaft receives moment of torsion, connect through spiral or rolling screw the mantle dish on it is pressed in the awl dish that flexible transmission component and another and transmission shaft can't axially relatively move, thereby obtain between the awl dish to adapt the pressure of assurance friction driving with moment of torsion.
2, the present invention can adjust the pressure to the awl dish in real time according to the moment of torsion that speed changer bears, and when transmitting less moment of torsion, reduces moulding pressure between the awl dish, has improved the system effectiveness of stepless speed variator, has reduced the load of each parts, has improved the life-span of system.
3, the present invention can when load is suddenlyd change, have ditch like the road surface to the pressure of awl dish according to the change in torque adjustment in real time that speed changer bears, and prominent ponding road surface, the ice-covered road etc. of meeting can in time be adjusted awl dish moulding pressure, guarantee the reliability of system works.
4, the present invention is simple and compact for structure, has reduced bulk effectively, has reduced cost.
Description of drawings:
Fig. 1: the present invention's intelligence pressurization stepless speed variator drive mechanism schematic representation.
Fig. 2: the present invention's intelligence pressurization stepless speed variator transmission process schematic representation.
Among the figure, 1-motor driving speed regulating mechanism; 101-speed governing nut; The 102-speed adjustment screw; The driving shaft mantle dish of 2-band pressurizing nut; 3-initiative taper dish pressurizing mechanism; 301-is made in the initiative taper dish pressurization screw rod on the screw axis that initiatively pressurizes; 302-is made in the initiative taper dish pressurizing nut on the driving shaft mantle dish; The 4-screw axis (driving shaft) that initiatively pressurizes; The 5-driven shaft is decided the awl dish; The 6-driving shaft is decided the awl dish; The 7-flexible transmission component; The driven shaft mantle dish of 8-band pressurizing nut; The 9-holddown spring; 10-ball key; 11-is from mantle dish pressurizing mechanism; The driven pressurization screw axis of 12-(driven shaft); 111-be made on the driven pressurization screw axis from mantle dish pressurization screw rod; 112-be made on the driven shaft mantle dish from mantle dish pressurizing nut.
Embodiment:
The present invention's intelligence pressurization stepless speed variator; Be provided with at least two transmission shafts parallel to each other; Wherein on two transmission shafts a pair of awl dish is arranged respectively respectively; Clamping has a flexible transmission component between the awl dish, awl dish at least one pair of awl dish with its under transmission shaft with spiral or in the middle of having the spiral of rolling element be connected mutually.An awl dish at least one pair of awl dish can guarantee that with thrust-bearing or other this awl dish and the transmission shaft under it can relatively rotate with its affiliated transmission shaft, and the mode that can not axially relatively move connects.In at least one pair of awl dish, two awl dishes can guarantee that with ball key or spline or other these two awl dishes can move to axial, and mode connects in relative rotation.An awl dish at least one pair of awl dish is connected on the transmission shaft under it with spring, and this flexible transmission component to awl dish and clamping is therebetween compressed each other.
Shown in Fig. 1-2; The present invention's intelligence pressurization stepless speed variator; Mainly comprise: the driving shaft mantle dish 2, initiative taper dish pressurizing mechanism 3 of motor driving speed regulating mechanism 1, band pressurizing nut, initiatively pressurize screw axis 4, driven shaft decide awl dish 5, driving shaft decide awl dish 6, flexible transmission component 7, the driven shaft mantle dish 8 of being with pressurizing nut, holddown spring 9, ball key 10, from mantle dish pressurizing mechanism 11, driven pressurization screw axis 12 etc., concrete structure is following:
Initiatively pressurize the awl dish that a pair of conical surface is oppositely arranged is installed on the screw axis 4: the driving shaft mantle dish 2 of band pressurizing nut is decided awl dish 6 with driving shaft, and the awl dish that a pair of conical surface is oppositely arranged is installed on the driven pressurization screw axis 12: driven shaft is decided the driven shaft mantle dish 8 of awl dish 5 and band pressurizing nut; The clamping flexible transmission component 7 between awl dish and the awl dish on the driven pressurization screw axis 12 on the screw axis 4 that initiatively pressurizes is in transmission connection through flexible transmission component 7;
Driving shaft is decided awl dish 6 and is installed on the screw axis 4 that initiatively pressurizes with the driving shaft mantle dish 2 of being with pressurizing nut, and the driving shaft mantle dish 2 of band pressurizing nut is set on the initiative taper dish pressurization screw rod 301 that is made on the screw axis 4 that initiatively pressurizes; The driving shaft mantle dish 2 of band pressurizing nut is decided to be connected through the ball key between the awl dish 6 with driving shaft; Can guarantee that these two awl dishes can move to axial; Can not relatively rotate; Driving shaft decide awl dish 6 through Bearing Installation on the screw axis 4 that initiatively pressurizes, the back side of driving shaft mantle dish 2 of band pressurizing nut is provided with motor driving speed regulating mechanism 1.
The driven shaft mantle dish 8 that driven shaft is decided awl dish 5 and band pressurizing nut is installed on the driven pressurization screw axis 12, the driven shaft mantle dish 8 of band pressurizing nut be set in be made on the driven pressurization screw axis 12 from mantle dish pressurization screw rod 111; Driven shaft is decided to connect through ball key 10 between the driven shaft mantle dish 8 of awl dish 5 and band pressurizing nut; Can guarantee that these two awl dishes can move to axial; Can not relatively rotate; Driven shaft is decided awl dish 5 and is passed through Bearing Installation on driven pressurization screw axis 12, and the back side of the driven shaft mantle dish 8 of band pressurizing nut is provided with holddown spring 9.
Among the present invention, the flexible transmission component 7 in the stepless speed variator can adopt the closed loop flexible transmission component, as: Chinese utility model patent is mentioned: " a kind of friction plate metal band type transmitting assemblies (notification number CN2428624Y) "; Perhaps, Chinese utility model patent is mentioned: " the stepless change transmission is with dry type composite metal band assembly (notification number CN2662006Y) ".
In the present embodiment, initiative taper dish pressurizing mechanism 3 is provided with: be made in driving shaft pressurization screw rod 301 on the screw axis that initiatively pressurizes, be made in the driving shaft pressurizing nut 302 on the driving shaft mantle dish.The driving shaft pressurization screw rod 301 that is made on the screw axis that initiatively pressurizes passes through screw fit with the driving shaft pressurizing nut 302 that is made on the screw axis that initiatively pressurizes; Be made in the driving shaft pressurization screw rod 302 on the driving shaft mantle dish and initiatively pressurize screw axis 4 as one; The driving shaft mantle dish 2 that is made in driving shaft pressurizing nut 301 and band pressurizing nut on the screw axis that initiatively pressurizes is as one; The driving shaft pressurizing nut 301 that is made on the screw axis that initiatively pressurizes can rotate with the screw axis 4 that initiatively pressurizes; Promote the driving shaft mantle dish 2 of band pressurizing nut simultaneously, be with driving shaft mantle dish 2, the driving shaft of pressurizing nut to decide the pressure between awl dish 6 and metal tape on the screw axis 4 that keeps initiatively pressurizeing.
The motor driving speed regulating mechanism 1 at driving shaft mantle dish 2 back sides of band pressurizing nut can be the spiral speed regulation structure; This mechanism is provided with speed governing nut 101 and speed adjustment screw 102; Speed adjustment screw 102 1 ends and speed governing nut 101 cooperate through rolling screw; Speed governing nut 101 is connected with the screw axis 4 that initiatively pressurizes, and speed adjustment screw 102 is connected with the driving shaft mantle dish 2 of band pressurizing nut, and the relative movement of speed governing nut 101 and speed adjustment screw 102 changes the moving direction and the speed of driving shaft mantle dish.
The input end of motor driving speed regulating mechanism 1 is connected with speed-adjustable motor; The output terminal of motor driving speed regulating mechanism 1 is connected through bearing with driving shaft pressurizing nut 302 on being made in driving shaft mantle dish through speed adjustment screw 102, to allow speed adjustment screw 102 and to be made in relatively rotating between the driving shaft pressurizing nut 302 on the driving shaft mantle dish.
In the present embodiment; Be provided with from mantle dish pressurizing mechanism 11: be made in driven shaft pressurization screw rod 111 on the driven pressurization screw axis, be made in the driven shaft pressurizing nut 112 on the driven shaft mantle dish, the driven shaft pressurization screw rod 111 that is made on the driven pressurization screw axis is connected through spiral with driven shaft pressurizing nut 112 on being made in driven shaft mantle dish.The driven shaft pressurizing nut 112 that is made on the driven shaft mantle dish rotates with driven pressurization screw axis 12 together; Promote the driven shaft mantle dish 8 of band pressurizing nut simultaneously, keep driven shaft mantle dish 8, the driven shaft of band pressurizing nut on the driven pressurization screw axis 12 to decide the pressure between awl dish 5 and metal tape.
The holddown spring 9 at driven shaft mantle dish 8 back sides of band pressurizing nut; Be made in driven pressurization screw axis on driven shaft pressurization screw rod 111 on link is connected through bearing, with permission holddown spring 9 and be made in driven shaft on the driven pressurization screw axis the relatively rotating between the screw rod 111 of pressurizeing.
As shown in Figure 2, working procedure of the present invention is following:
The power of motor output directly passes on the screw axis 4 that initiatively pressurizes; The driving shaft mantle dish 2 of the initiative taper dish pressurizing mechanism 3 rotating band pressurizing nuts on the screw axis 4 initiatively pressurizes; Decide awl dish 6 with driving shaft and compress drive flexible transmission component 7 jointly; The driven shaft mantle dish 8 of the band pressurizing nut on the driven pressurization screw axis 12 of flexible transmission component 7 drives is simultaneously decided awl dish 5 with driven shaft, thereby makes power output.Holddown spring 9 on the driven pressurization screw axis 12 makes the driven shaft mantle dish 8 of the band pressurizing nut on the driven pressurization screw axis 12 decide awl dish 5 with driven shaft with driven shaft pressurizing mechanism 11 and compresses flexible transmission component 7.Speed-adjustable motor promotes the driving shaft mantle dish 2 of band pressurizing nut through motor driving speed regulating mechanism 1, thereby the radius of clean-up of flexible transmission component 7 on initiatively pressurize screw axis 4 and driven pressurization screw axis 12 changed, and realizes stepless change.
Claims (10)
1. an intelligence pressurization stepless speed variator has at least two transmission shafts parallel to each other, wherein on two transmission shafts at least one pair of awl dish is arranged respectively respectively, and clamping has at least one flexible transmission component between the awl dish, it is characterized in that:
An awl dish at least one pair of awl dish is connected mutually with the slip screw kind of drive or the rolling screw kind of drive with its affiliated transmission shaft.
2. according to the described intelligence pressurization of claim 1 stepless speed variator, it is characterized in that:
Awl dish at least one pair of awl dish with its under transmission shaft with thrust-bearing, or other can guarantee that this awl dish and transmission shaft under it can relatively rotate, the mode that can not axially relatively move connects.
3. according to the described intelligence pressurization of claim 2 stepless speed variator, it is characterized in that, be provided with sliding bearing or the rolling bearing that radially carries between said awl dish and the transmission shaft under it.
4. according to the described intelligence pressurization of claim 1 stepless speed variator, it is characterized in that:
In at least one pair of awl dish, two awl dishes are with the ball key, or spline, or other can guarantee that these two awl dishes can move to axial, and mode connects in relative rotation.
5. according to the described intelligence pressurization of claim 1 stepless speed variator, it is characterized in that:
An awl dish back side at least one pair of awl dish is by the spring axial compression; The other end of spring passes through thrust-bearing; Or other can not move to axial, mode is connected on the transmission shaft under it in relative rotation, this flexible transmission component to awl dish and clamping is therebetween compressed each other.
6. according to the described intelligence pressurization of claim 1 stepless speed variator, it is characterized in that:
In every pair of awl dish, or two dishes all are the awl dish, or one of them is the awl dish, and another is the square position.
7. according to the described intelligence pressurization of claim 1 stepless speed variator, it is characterized in that:
Flexible transmission component is that stepless speed variator is used propulsion steel strip, or continuously variable transmission metal belt, or chain, or the V-type band, or other closed loop flexible elements.
8. according to the described intelligence pressurization of claim 1 stepless speed variator, it is characterized in that:
On transmission shaft therewith between the axle the mutual axially movable awl dish back side be connected with screw mechanism, or other can drive the axial motion or be compounded with the mechanism of axial motion in relative rotation on this transmission shaft of this awl dish; The nut of this screw mechanism and screw rod are connected with awl dish and transmission shaft through bearing respectively.
9. according to the described intelligence pressurization of claim 8 stepless speed variator, it is characterized in that:
The back side is connected with the awl dish of screw mechanism; Be connected mutually with the slip screw kind of drive or the rolling screw kind of drive with transmission shaft under it; Awl dish that it is relative and affiliated transmission shaft are with thrust-bearing; Or other can guarantee this awl dish with its under transmission shaft can relatively rotate, the mode that can not axially relatively move connects;
Perhaps; This back side is connected with the awl dish of screw mechanism; Can move axially each other with ball key or spline or other with transmission shaft under it but in relative rotation mode be connected; Awl dish and affiliated transmission shaft that it is relative are connected, and the awl dish back side that this moment, this back side was connected with screw mechanism is connected with spring-loaded mechanism, or does not have pressurizing mechanism.
10. according to the described intelligence pressurization of claim 8 stepless speed variator, it is characterized in that:
Stepless speed variator be provided with the screw axis that initiatively pressurizes, driving shaft mantle dish, driving shaft decide awl dish, initiative taper dish pressurizing mechanism, driven pressurization screw axis, driven shaft mantle dish, driven shaft decide the awl dish, from mantle dish pressurizing mechanism, flexible transmission component; Initiatively pressurize and the awl dish that a pair of conical surface is oppositely arranged is installed on the screw axis: driving shaft mantle dish and driving shaft are decided the awl dish, and the awl dish that a pair of conical surface is oppositely arranged is installed on the driven pressurization screw axis: driven shaft is decided awl dish and driven shaft mantle dish; The transmission shaft of deciding under awl dish and its of screw axis and driven pressurization screw axis of initiatively pressurizeing can relatively rotate, and can not move axially; The transmission shaft that initiatively pressurizes under mantle dish and its of screw axis and driven pressurization screw axis can relatively rotate and move axially; The clamping flexible transmission component between awl dish and the awl dish on the driven pressurization screw axis on the screw axis that initiatively pressurizes, initiatively pressurize screw axis and driven pressurization screw axis are in transmission connection through flexible transmission component; Initiative taper dish pressurizing mechanism is provided with the initiative taper dish pressurizing nut that is integrated on the driving shaft mantle dish, is integrated in the initiative taper dish pressurization screw rod on the screw axis that initiatively pressurizes; The driving shaft pressurizing nut is set on the driving shaft pressurization screw rod, and initiative taper dish pressurization screw rod and initiative taper dish pressurizing nut are installed through screw fit; Driving shaft is decided the awl dish and is installed on the screw axis that initiatively pressurizes, and driving shaft mantle dish is decided to be connected through ball key or spline between the awl dish with driving shaft; Initiative taper dish pressurization screw rod is an one with the screw axis that initiatively pressurizes, initiative taper dish pressurizing nut and driving shaft mantle dish one; The back side of driving shaft mantle dish is provided with the motor driving speed regulating mechanism; The motor driving speed regulating mechanism is the spiral speed regulation structure; This mechanism is provided with speed governing nut and speed adjustment screw; Speed adjustment screw and speed governing nut are installed through screw fit, and speed adjustment screw is connected to driving shaft mantle dish through bearing, the speed governing nut through Bearing Installation on the screw axis that initiatively pressurizes; The output terminal speed adjustment screw of motor driving speed regulating mechanism is connected through bearing with the screw axis that initiatively pressurizes, and the input end of motor driving speed regulating mechanism is connected with speed-adjustable motor; From mantle dish pressurizing mechanism be provided be integrated on the driven shaft mantle dish from mantle dish pressurizing nut, be integrated on the driven pressurization screw axis from mantle dish pressurization screw rod; Be set in from mantle dish pressurization screw rod from mantle dish pressurizing nut, install through screw fit from mantle dish pressurization screw rod and from mantle dish pressurizing nut; Driven shaft is decided the awl dish and is installed on the driven pressurization screw axis, and driven shaft mantle dish is decided to be connected through ball key or spline between the awl dish with driven shaft; From mantle dish pressurization screw rod and driven pressurization screw axis is one, from mantle dish pressurizing nut and driven shaft mantle dish one; There is holddown spring at the driven shaft mantle dish back side, and holddown spring is connected through bearing with the link of driven pressurization screw axis.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010558106.5A CN102478105B (en) | 2010-11-24 | 2010-11-24 | Intelligent pressuring continuously-variable transmission |
| PCT/CN2011/082711 WO2012068989A1 (en) | 2010-11-24 | 2011-11-23 | Intelligent pressure continuously variable transmission |
| JP2013540228A JP5646075B2 (en) | 2010-11-24 | 2011-11-23 | Smart pressurized continuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010558106.5A CN102478105B (en) | 2010-11-24 | 2010-11-24 | Intelligent pressuring continuously-variable transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102478105A true CN102478105A (en) | 2012-05-30 |
| CN102478105B CN102478105B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010558106.5A Active CN102478105B (en) | 2010-11-24 | 2010-11-24 | Intelligent pressuring continuously-variable transmission |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5646075B2 (en) |
| CN (1) | CN102478105B (en) |
| WO (1) | WO2012068989A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972179A (en) * | 2016-07-07 | 2016-09-28 | 常州东风无级变速器有限公司 | Conical disc type continuously variable transmission and speed regulating mechanism thereof |
| CN110762172A (en) * | 2018-07-25 | 2020-02-07 | 重庆宗申无级变速传动有限公司 | Three-shaft speed-regulating conical disc type continuously variable transmission |
| CN113653781A (en) * | 2020-12-28 | 2021-11-16 | 重庆宗申无级变速传动有限公司 | Stepless speed variator |
| CN114838098A (en) * | 2022-05-10 | 2022-08-02 | 清研华田(南京)农业科技有限公司 | Stepless speed change device and power machine |
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| CN114838098A (en) * | 2022-05-10 | 2022-08-02 | 清研华田(南京)农业科技有限公司 | Stepless speed change device and power machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2013543961A (en) | 2013-12-09 |
| WO2012068989A1 (en) | 2012-05-31 |
| CN102478105B (en) | 2014-03-26 |
| JP5646075B2 (en) | 2014-12-24 |
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Application publication date: 20120530 Assignee: Changzhou Dongfeng Agricultural Machinery Group Co., Ltd. Assignor: Cheng Naishi Contract record no.: 2015320000098 Denomination of invention: Intelligent pressuring continuously-variable transmission Granted publication date: 20140326 License type: Exclusive License Record date: 20150330 |
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Effective date of registration: 20161013 Address after: 213012 Changzhou Province, the Clock Tower District, the New Gate Street, the new road, No. 328, No. Patentee after: Changzhou east wind stepless speed variator Co., Ltd Address before: The Lake Road Heping District Shenyang city Liaoning province 110004 unit 23-6 No. 2 23-2 Patentee before: Cheng Naishi |