CN206478181U - One kind is without spin integral curve formula variable speed unit - Google Patents
One kind is without spin integral curve formula variable speed unit Download PDFInfo
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- CN206478181U CN206478181U CN201621154213.0U CN201621154213U CN206478181U CN 206478181 U CN206478181 U CN 206478181U CN 201621154213 U CN201621154213 U CN 201621154213U CN 206478181 U CN206478181 U CN 206478181U
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Abstract
The utility model discloses a kind of without spin integral curve formula variable speed unit, it is desirable to provide a kind of variable speed unit that spin loss in efficiency is avoided that in variator ratio range.It is characterized in that：Variable-speed unit is made up of input cone disk, input shaft, output cone disk, output shaft, roller, rolling wheel installing shaft, and power is inputted by input shaft, is sequentially passed through input cone disk, roller, output cone disk, is spread out of by output shaft.Input shaft is arranged in parallel with output shaft, and roller is vertically mounted between two axles, and input cone disk is special integral curve with the bus on output cone disk.During speed governing, roller is moved along vertical direction, and input cone disk can be contacted normally between moving guarantee actuated element along own axes with output cone disk.The utility model can be used for replacing the variable speed unit in all kinds of toroidal type bunchers, make speed changer without spin efficient driving.
Description
Technical field
The utility model is related to the variable-speed unit in power train, is exactly specifically towed variable speed unit.
Background technology
At present, the excessive energy resource consumption in global range and environmental pollution are two urgent problems to be solved.Numerous
In solution route, buncher is a kind of preferably transmission solution, and it, which can provide a series of continuous gearratio, makes
Obtain internal combustion engine to work in high-efficiency point all the time, this also just improves the transmission efficiency of complete machine and reduces the discharge of internal combustion engine.
Existing mechanical stepless transmission is divided into friction type stepless speed changer and towed buncher.It is wherein towed
Buncher is primarily referred to as driving the rolling of drive element to transmit the buncher of power using the rolling of active member.
Towed variable speed unit is the set of primary drive element in towed buncher.Active member and drive element it
Between to be frequently not rigid body directly contact with rigid body, but in centre produce one layer of thin oil film.Effect of this layer of oil film in pressure
Lower mechanical property is close to solid.That is, it can bear larger shearing force, this also causes towed buncher
Larger moment of torsion can be transmitted, and keeps longer part life.Thus, towed buncher is compared to friction
Formula buncher is a kind of more outstanding buncher form, in, huge discharge car and small engineering machinery neck
There is successful application case in domain, is the primary study and developing direction of following buncher.
The weak point of existing towed buncher is：Existing most of bunchers are in most of working conditions
Under, it is not avoided that " spin " loss in efficiency.So-called " spin " refers to that driving link and driven member are in contact zone in Traction Drive
The inconsistent situation of each spot speed in domain, the situation can cause the adverse consequences such as efficiency reduction, oil film heating, final influence traction
Transmission performance.From the producing cause of spin from the point of view of the drive state of traction element, it can sum up as drawn a conclusion：When driving link
Gyroaxis, the gyroaxis of driven member, the place plane three of traction oil film will produce when can not be parallel to each other or intersect at a point
It is born from rotation.
The content of the invention
The purpose of this utility model is to overcome deficiency of the prior art to be avoided that in variator ratio range there is provided one kind
The variable speed unit of spin loss in efficiency.
In order to solve above-mentioned technical problem, the utility model will use following technical proposals：It is a kind of to be accumulated without spin
Component curve formula variable speed unit, including input cone disk（1a）, input shaft（2a）, output cone disk（1b）, output shaft（2b）, roller
（6）, rolling wheel installing shaft（7）.Input cone disk（1a）Input shaft is arranged on by key connection（2a）On, to cause input cone disk（1a）
And input shaft（2a）Disk axis of rotation can be bored around input together（3a）Rotate, and input cone disk（1a）Can be relative to input shaft
（2a）Axially slide；Output cone disk（1b）Output shaft is arranged on by key connection（2b）On, to cause output cone disk（1b）
And output shaft（2b）Disk axis of rotation can be bored around output together（3b）Rotate, and output cone disk（1b）Can be relative to output shaft
（2b）Axially slide；Roller（6）Installed in rolling wheel installing shaft（7）On, roller（6）Can be around roller axis of rotation（5）Rotate.
Input shaft（2a）With output shaft（2b）Parallel arrangement, roller（6）Installed in input shaft（2a）With output shaft（2b）It
Between rolling wheel installing shaft（7）On, rolling wheel installing shaft（7）Perpendicular to input shaft（2a）With output shaft（2b）Set；Input cone disk
（1a）With roller（6）Compress and be contacted with input point（8）, output cone disk（1b）With roller（6）Compress and be contacted with output point
（9）.
Input cone disk（1a）On input cone disk bus（4a）It is a kind of integral curve, its equation is met：
Wherein coordinate system XOY origin O bores disk axis of rotation in input（3a）On, X-axis and input cone disk axis of rotation
（3a）Overlap, Ra is from input point（8）Along input contact area normal direction to roller axis of rotation（5）Distance, C for it is real often
Number.
Output cone disk（1b）On output cone disk bus（4b）It is a kind of integral curve, its equation is met：
Wherein coordinate system XOY origin O bores disk axis of rotation in output（3b）On, X-axis and output cone disk axis of rotation
（3b）Overlap, Rb is from output point（9）Along input contact area normal direction to roller axis of rotation（5）Distance, C ＇ for it is real often
Number.
Described in the utility model a kind of without spin integral curve formula variable speed unit, its operation principle is：
During transmission, power is by input shaft（2a）Input, drives input cone disk（1a）Rotate, input cone disk traction rollers（6）
Rotate, roller（6）Traction output cone disk（1b）Rotate, impart power to output cone disk（1b）, output cone disk（1b）Drive defeated
Shaft（2b）Rotate, most at last power from output shaft（2b）Outflow.During speed governing, rolling wheel installing shaft（7）Drive roller（6）Along hang down
Nogata forces input cone disk to certain distance is moved up and down（1a）Along input shaft（2a）Axis direction outwards/move inward
Certain distance, output cone disk（1b）Along output shaft（2b）Axis direction inboard/outboard move a certain distance, with cause input
Bore disk（1a）, output cone disk（1b）All the time with roller（6）Holding is pressed into contact with, and tractive force is produced in contact point.Due to three members
The movement of part, the relative position relation of actuated element changes, input point（8）With output point（9）Position change, so as to change
Roller is become（6）With input cone disk（1a）Disk is bored with output（1b）Contact radius, gearratio be contact radius ratio, therefore
Ratio changing, realizes speed governing.
After adopting the above technical scheme, will have such beneficial effect：I.e. in the whole speed regulation process of variable-speed unit,
This roller axis of rotation without spin variable speed unit（5）, input cone disk axis of rotation（3a）, output cone disk axis of rotation
（3b）And the common tangent of contact point is met at a bit respectively, i.e., without spin loss in efficiency in speed adjustable range.
Brief description of the drawings
Fig. 1 is without spin integral curve formula variable speed unit schematic diagram.
Fig. 2 is output Traction Drive without spin schematic diagram.
Fig. 3 is the sketch without spin integral curve formula variable speed unit low speed output.
Fig. 4 is the sketch without spin integral curve formula variable speed unit speedy carding process.
Embodiment
Further detailed description is done to the utility model with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model provides one kind without spin integral curve formula variable speed unit, mainly by defeated
Enter to bore disk（1a）, input shaft（2a）, output cone disk（1b）, output shaft（2b）, roller（6）, rolling wheel installing shaft（7）Composition.
Input cone disk（1a）Installed in input shaft（2a）It is upper and can be along input shaft（2a）Axis movement but can not phase
For input shaft（2a）Rotate.Input cone disk（1a）On input cone disk bus（4a）It is a kind of integral curve, such shape
It can ensure not spin in transmission.
Output cone disk（1b）Installed in output shaft（2b）It is upper and can be along output shaft（2b）Axis movement but can not phase
For output shaft（2b）Rotate.Output cone disk（1b）On output cone disk bus（4b）It is a kind of integral curve, such shape
It can ensure not spin in transmission.Output shaft（2b）With input shaft（2a）In parallel arrangement.
Roller（6）Installed in rolling wheel installing shaft（7）On, rolling wheel installing shaft（7）Both perpendicular to input shaft（2a）With output
Axle（2b）, roller（6）With rolling wheel installing shaft（7）Relative position keep fix.Input cone disk（1a）With roller（6）Compress and connect
Touch in input point（8）, output cone disk（1b）With roller（6）Compress and be contacted with output point（9）.
Power is by input shaft during transmission（2a）Drive input cone disk（1a）Rotate, in the presence of volume is inhaled, input cone disk
（1a）With roller（6）Between in input point（8）Place forms oil film, so as to input cone disk（1a）Traction rollers（6）Rotate, equally exist
In the presence of volume is inhaled, roller（6）With output cone disk（1b）In output point（9）Place forms oil film, so that roller（6）Traction output cone
Disk（1b）Rotate.Final power is by output shaft（2b）Outflow.
As shown in Figure 2, variable speed unit provided by the utility model is in output point（9）It is not have to locate Traction Drive
Spin.Output cone disk bus（4b）It is a kind of integral curve, its equation is met：
Wherein coordinate system XOY origin O bores disk axis of rotation in output（3b）On, X-axis and output cone disk axis of rotation
（3b）Overlap, Rb is from output point（9）Along input contact area normal direction to roller axis of rotation（5）Distance, C ＇ for it is real often
Number.Above-mentioned both members are to y derivations, and peer-to-peer both sides ask 4 powers to obtain simultaneously：
And on the other hand, roller axis of rotation（5）With output cone disk axis of rotation（3b）Intersecting point coordinate should be：, and cross output point（9）Common tangent with output cone disk axis of rotation（3b）Intersecting point coordinate should be：.Due to wherein, it is clear that above-mentioned two coordinate is overlapped.That is, due to output cone disk bus
（4a）Special shape, each state roller axis of rotation in transmission process can be caused（5）, output cone disk axis of rotation
（3b）, cross output point（9）Common tangent, three meet at all the time a bit, according to without spin condition, such Traction Drive without from
Rotation loss.
Similarly, in input point（8）Locate loss of also not spinning.Generally speaking, it is this without the stepless change of spin integral curve formula
Fast unit is without spin loss in transmission process, and efficiency high, transmission performance is good.
As shown in Figure 3, the situation of no spin integral curve formula variable speed unit low speed output.Now, roller（6）Hang down
Directly move up certain distance；Correspondingly, input cone disk（1a）Along input shaft（2a）Axis direction be displaced outwardly a spacing
From；Meanwhile, output cone disk（1b）Along output shaft（2b）Axis direction move inward certain distance.In whole transmission and speed governing
During, input cone disk（1a）, output cone disk（1b）All the time with roller（6）Holding is pressed into contact with.It is relative due to actuated element
Position relationship changes, input point（8）The relative input cone disk in position（1a）Change towards close to centre of gyration direction, output
Point（9）The relative output cone disk in position（1b）Change away from centre of gyration direction, so that gearratio becomes big, low speed output.
As shown in Figure 4, the situation of no spin integral curve formula variable speed unit speedy carding process.Now, roller（6）
Move a certain distance vertically downward；Correspondingly, input cone disk（1a）Along input shaft（2a）Axis direction move inward necessarily
Distance；Meanwhile, output cone disk（1b）Along output shaft（2b）Axis direction be displaced outwardly certain distance.In whole transmission with adjusting
During speed, input cone disk（1a）, output cone disk（1b）All the time with roller（6）Holding is pressed into contact with.Due to the phase of actuated element
Position relationship is changed, input point（8）The relative input cone disk in position（1a）Change away from centre of gyration direction, it is defeated
Go out a little（9）The relative output cone disk in position（1b）Change towards close to centre of gyration direction, so that gearratio becomes big, low speed is defeated
Go out.
In summary, the utility model can provide a kind of towed variable speed unit, and the variable-speed unit can be realized
The purpose of continuous speed adjustment, and without spin loss in transmission process, efficiency is higher.
Claims (1)
1. it is a kind of without spin integral curve formula variable speed unit, including input cone disk（1a）, input shaft（2a）, output cone disk
（1b）, output shaft（2b）, roller（6）, rolling wheel installing shaft（7）；It is characterized in that：The input cone disk（1a）Connected and pacified by key
Mounted in input shaft（2a）On, to cause input cone disk（1a）And input shaft（2a）Disk axis of rotation can be bored around input together
（3a）Rotate, and input cone disk（1a）Can be relative to input shaft（2a）Axially slide；The output cone disk（1b）Pass through key
Connection is arranged on output shaft（2b）On, to cause output cone disk（1b）And output shaft（2b）Can be together around output cone disk revolution
Axis（3b）Rotate, and output cone disk（1b）Can be relative to output shaft（2b）Axially slide；The input shaft（2a）With it is defeated
Shaft（2b）Parallel arrangement；The roller（6）Disk is bored installed in input（1a）With output cone disk（1b）Between rolling wheel installing shaft
（7）On, roller（6）Can be around roller axis of rotation（5）Rotate, and roller（6）Side and input cone disk（1a）Compress and be contacted with
Input point（8）, opposite side is with exporting cone disk（1b）Compress and be contacted with output point（9）；The rolling wheel installing shaft（7）Perpendicular to defeated
Enter axle（2a）With output shaft（2b）Set；
The input cone disk（1a）Cone disk bus（4a）It is a kind of integral curve, the equation of satisfaction is：
Wherein coordinate system XOY origin O bores disk axis of rotation in input（3a）On, X-axis and input cone disk axis of rotation（3a）Weight
Close, Ra is from input point（8）Along input contact area normal direction to roller axis of rotation（5）Distance, C is real constant；
The output cone disk（1b）Cone disk bus（4b）It is a kind of integral curve, the equation of satisfaction is：
Wherein coordinate system XOY origin O bores disk axis of rotation in output（3b）On, X-axis and output cone disk axis of rotation（3b）Weight
Close, Rb is from output point（9）Along input contact area normal direction to roller axis of rotation（5）Distance, C ＇ be real constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154213.0U CN206478181U (en) | 2016-10-31 | 2016-10-31 | One kind is without spin integral curve formula variable speed unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154213.0U CN206478181U (en) | 2016-10-31 | 2016-10-31 | One kind is without spin integral curve formula variable speed unit |
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| Publication Number | Publication Date |
|---|---|
| CN206478181U true CN206478181U (en) | 2017-09-08 |
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| CN201621154213.0U Active CN206478181U (en) | 2016-10-31 | 2016-10-31 | One kind is without spin integral curve formula variable speed unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339384A (en) * | 2016-10-31 | 2017-11-10 | 西华大学 | One kind is without spin integral curve formula variable speed unit |
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2016
- 2016-10-31 CN CN201621154213.0U patent/CN206478181U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339384A (en) * | 2016-10-31 | 2017-11-10 | 西华大学 | One kind is without spin integral curve formula variable speed unit |
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