CN206072272U - A kind of distance between axles and Belt Length is constant and the actuating device of driven pulley radius variable - Google Patents
A kind of distance between axles and Belt Length is constant and the actuating device of driven pulley radius variable Download PDFInfo
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- CN206072272U CN206072272U CN201621092471.0U CN201621092471U CN206072272U CN 206072272 U CN206072272 U CN 206072272U CN 201621092471 U CN201621092471 U CN 201621092471U CN 206072272 U CN206072272 U CN 206072272U
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- driven pulley
- belt
- annular groove
- drivewheel
- wheel
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Abstract
This utility model belongs to technical field of mechanical transmission, specifically related to a kind of distance between axles and Belt Length is constant and the actuating device of driven pulley radius variable, including drivewheel and multigroup transmission combination groove, drivewheel belt is connected with driven pulley, and compensation wheel is provided between drivewheel and driven pulley；Each transmission combination groove includes active annular groove, compensation annular groove and driven annular groove, and each active annular groove is surrounded on drivewheel, and equal diameters；Each compensation annular groove is surrounded on compensation wheel, and diameter；Each driven torus grooved ring is around on driven pulley, and diameter；When each transmission combination groove is respectively used under the belt transmission of same length, the different rotating speeds of driven pulley are reached.The beneficial effects of the utility model are：The driven pulley of the drivewheel and different radii of same Radius is connected using same belt, then belt is tightened by compensating wheel, be capable of achieving different output rotating speeds, be not required to change the belt of different length, the cost of material is low, and versatility is good；Implement simple.
Description
Technical field
This utility model belongs to technical field of mechanical transmission, and in particular to a kind of distance between axles and Belt Length are constant and driven
The actuating device of wheel radius variable.
Background technology
In Machine Design, in order to realize different gear ratios and different output rotating speeds, usually there is design actively
Wheel drives the driven pulley of radius variable to rotate together, but drivewheel can not change with the axle base of driven pulley, so will band
The driven pulley of dynamic different radii, needs to change the different belt of length；Accordingly, it would be desirable to prepare the belt of different length, material into
This height, poor universality implement inconvenience.
The content of the invention
The purpose of this utility model is the defect for overcoming prior art to exist, there is provided a kind of to use same belt by same half
The driven pulley connection of the drivewheel and different radii in footpath, then belt is tightened by compensating wheel, it is capable of achieving different outputs
Rotating speed, is not required to change the belt of different length, and the cost of material is low, and versatility is good；Implement simple distance between axles and Belt Length
The actuating device of constant and driven pulley radius variable.
This utility model solves the technical scheme adopted by its technical problem：A kind of distance between axles and Belt Length it is constant and
The actuating device of driven pulley radius variable, which includes the drivewheel driven by external force and multigroup transmission combination groove, and drivewheel passes through
It is definite value, drivewheel and driven pulley that belt transmission is connected with the centerline axis parallel and spacing of driven pulley, drivewheel and driven pulley
Between be provided with compensation wheel, compensate wheel periphery be located between belt；Every group of transmission combination groove includes active annular groove, mends
Annular groove and driven annular groove are repaid, each active annular groove is surrounded on the wheel side face of drivewheel, and equal diameters；Each compensation annular groove is surrounded on
On the wheel side face of compensation wheel, and diameter；Each driven torus grooved ring is around on the wheel side face of driven pulley, and diameter；It is each to pass
When dynamic combination slot is respectively used under the belt transmission of same length, the different rotating speeds of driven pulley are reached.
The driven pulley of the drivewheel and different radii of same Radius is connected by this utility model using same belt, then is passed through
Compensation wheel is tightened to belt, i.e., by the transmission combination groove of different groups, you can realize different output rotating speeds, be not required to more
Belt is changed, the belt of standby different length is not required to, a root bark band need to be only used, the cost of material is low, and versatility is good；Implement letter
It is single.
Specifically, the centerline axis parallel of drivewheel, driven pulley and compensation wheel is arranged, the diameters edge of each compensation annular groove
The axial direction of compensation wheelIncremented by successively, the diameters of each driven annular groove are along the axial direction of driven pulleySuccessively decrease successively, mend
Repay the axial direction of wheelWith the axial direction of driven pulleyArrange in the same direction, the belt transmission trajectory of each transmission combination groove is located at
In the Different Plane being parallel to each other.
Each compensation annular groove and each driven annular groove sequentially arrange that i.e. transmission combination groove is systematically suitable in the axial direction in ordered series of numbers
Secondary arrangement, when facilitating speed governing, belt is vertically connected with each wheel.
Further, the center of circle of each active annular groove is respectively positioned on the axial direction of drivewheelOn, the center of circle of each compensation annular groove is equal
Positioned at the axial direction of compensation wheelOn, the center of circle of each driven annular groove is respectively positioned on the axial direction of driven pulleyOn；Arranged concentric,
Speed transmission is stable.
Further, in the axial direction of driven pulleyOn, drivewheel is cylindrical, and compensation is taken turns in turbination, driven pulley
In regular conical, it is easy to arrange each annular groove, simple structure, and it is easy to make.
Further, standard annular groove is also surrounded with the wheel side face at the big end of driven pulley, on the wheel side face of drivewheel, goes back ring
It is wound with the belt transmission track of end race, the equal diameters of standard annular groove, end race and active annular groove, standard annular groove and end race
Line is located in a plane, when standard annular groove and end race are for being connected with each other by belt, active wheel drive driven pulley constant speed
Rotate, and compensate wheel not with belt contacts.
The radius of standard annular groove is equal with each groove radius of drivewheel, therefore claims standard annular groove, or waits bull wheel.Work as driven pulley
Need to drivewheel constant speed drive when, belt need not connect compensation wheel when, standard annular groove and end race between by belt connection, master
Driving wheel and driven pulley can be driven at the same speed；Further simplify structure, connection is simple.
Specifically, actuating device also includes guide rail, and the end for compensating wheel is slidably connected in guide rail, drivewheel and driven pulley
Central axis with compensation slipping trace centerline intersect vertically.
The axle of compensation wheel is located at drivewheel and driven pulley middle in principle, but it is also possible to appropriate mobile, when belt extends
After a bit, as long as suitably a little can compensation wheel be tightened belt to the movement of driven pulley direction along guide rail；Then, then by locking
One stopping means, prevents the further microcosmic movement on guide rail of compensation wheel；Implementation result is good, stable transmission.
A kind of distance between axles of the present utility model and Belt Length is constant and the actuating device of driven pulley radius variable it is beneficial
Effect is：The driven pulley of the drivewheel and different radii of same Radius is connected by this utility model using same belt, then is passed through
Compensation wheel is tightened to belt, i.e., by the transmission combination groove of different groups, you can realize different output rotating speeds, be not required to more
Belt is changed, the belt of standby different length is not required to, a root bark band need to be only used, the cost of material is low, and versatility is good；Implement letter
It is single.
Description of the drawings
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
Fig. 1 is a kind of distance between axles of the present utility model and Belt Length is constant and the actuating device of driven pulley radius variable
Structural representation；
Fig. 2 is a kind of distance between axles of the present utility model and Belt Length is constant and the actuating device of driven pulley radius variable
The layout drawing of each drive before belt is installed.
Wherein:1. drivewheel；2. driven pulley；3. compensation is taken turns；4. belt；5.S driven slots；6.M driven slots；7.L driven slots；
8.XL driven slots；9.XXL driven slots；10. standard annular groove；11.XXL groove compensating tanks；12.XL groove compensating tanks；13.L groove compensating tanks；
14.M groove compensating tanks；15.S groove compensating tanks；16. end races；17. active annular grooves；18. compensation annular grooves；19. driven annular grooves.
Specific embodiment
This utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only illustrated in a schematic way, therefore which only shows the composition relevant with this utility model.
Of the present utility model a kind of distance between axles and Belt Length as Figure 1-Figure 2 is constant and driven pulley radius variable
The specific embodiment of actuating device, which includes the drivewheel 1 driven by external force and multigroup transmission combination groove, and drivewheel 1 passes through skin
It is definite value that band 4 is connected with the centerline axis parallels and spacing of driven pulley 2, drivewheel 1 and driven pulley 2, drivewheel 1 and driven
Compensation wheel 3 is provided between wheel 2, the periphery of compensation wheel 3 is located between belt 4；Every group of transmission combination groove is included actively
Annular groove 17, compensation annular groove 18 and driven annular groove 19, each active annular groove 17 is surrounded on the wheel side face of drivewheel 1, and equal diameters；
Each compensation annular groove 18 is surrounded on the wheel side face of compensation wheel 3, and diameter；Each driven annular groove 19 is surrounded on the wheel of driven pulley 2
On side face, and diameter；When each transmission combination groove is respectively used in the case where the belt 4 of same length is driven, driven pulley 2 is reached
Different rotating speeds.
The driven pulley 2 of the drivewheel 1 and different radii of same Radius is connected by the present embodiment using same belt 4, then is led to
Overcompensation wheel 3 is tightened to belt 4, i.e., by the transmission combination groove of different groups, you can realize different output rotating speeds, no
Belt 4 need to be changed, the belt 4 of standby different length is not required to, a root bark band need to be only used, the cost of material is low, and versatility is good；
Implement simple.
Specifically, the centerline axis parallel of drivewheel 1, driven pulley 2 and compensation wheel 3 is arranged, the diameter of each compensation annular groove 18
Numerical value is along the axial direction of compensation wheel 3Incremented by successively, the diameters of each driven annular groove 19 are along the axial direction of driven pulley 2
Successively decrease successively, the axial direction of compensation wheel 3With the axial direction of driven pulley 2Arrange in the same direction, the belt 4 of each transmission combination groove
Transmission trajectory is located in the Different Plane being parallel to each other.
Each compensation annular groove 18 and each driven annular groove 19 sequentially arrange that i.e. transmission combination groove is orderly in the axial direction in ordered series of numbers
Ground sequentially arranges that, when facilitating speed governing, belt 4 is vertically connected with each wheel.
Further, the center of circle of each active annular groove 17 is respectively positioned on the axial direction of drivewheel 1On, the circle of each compensation annular groove 18
The heart is respectively positioned on the axial direction of compensation wheel 3On, the center of circle of each driven annular groove 19 is respectively positioned on the axial direction of driven pulley 2On；Together
The heart arranges that speed transmission is stable.
Further, in the axial direction of driven pulley 2On, drivewheel 1 is cylindrical, and compensation wheel 3 is in turbination, from
Driving wheel 2 is in regular conical, is easy to arrange each annular groove, simple structure, and easy to make.
Further, standard annular groove 10 is also surrounded with the wheel side face at the big end of driven pulley 2, on the wheel side face of drivewheel 1
End race 16, the equal diameters of standard annular groove 10, end race 16 and active annular groove 17, standard annular groove 10 and end race are surrounded with also
The 16 transmission trajectory of belt 4 is located in a plane, and standard annular groove 10 and end race 16 are used to be connected with each other by belt 4
When, drivewheel 1 drives 2 constant velocity rotation of driven pulley, and compensation wheel 3 not to contact with belt 4.
The radius of standard annular groove 10 is equal with each groove radius of drivewheel 1, therefore claims standard annular groove 10, or waits bull wheel.When
Driven pulley 2 need to 1 constant speed drive of drivewheel when, belt 4 need not connect compensation wheel 3 when, standard annular groove 10 and end race 16 between
Connected by belt 4, drivewheel 1 and driven pulley 2 can be driven at the same speed；Further simplify structure, connection is simple.
Specifically, actuating device also includes guide rail (not shown), and the end of compensation wheel 3 is slidably connected in guide rail,
The trace centerline that the central axis of drivewheel 1 and driven pulley 2 is slided with compensation wheel 3 intersects vertically.
The axle of compensation wheel 3 is located at 2 middle of drivewheel 1 and driven pulley in principle, but it is also possible to appropriate mobile, when belt 4
After elongation a bit, as long as suitably a little can compensation wheel 3 be tightened belt 4 to the movement of 2 direction of driven pulley along guide rail；Then,
Again by one stopping means of locking, the further microcosmic movement on guide rail of compensation wheel 3 is prevented；Implementation result is good, stable transmission.
In brief, as shown in figure 1, between drivewheel 1 and driven pulley 2, pressing from both sides a compensation wheel 3, and compensating wheel 3
Axle position is equal to compensation 3 Hes of wheel in the distance between axles of the middle position of 2 liang of axles of drivewheel 1 and driven pulley, drivewheel 1 and compensation wheel 3
The distance between axles of driven pulley 2, and the radius of compensation wheel 3 is R2.Belt 4 is housed on drivewheel 1, compensation wheel 3 and driven pulley 2, is made
The length of belt 4 when obtaining the state, is equal to 2 radius of driven pulley with the radius when drivewheel 1, do not set compensation wheel 3 and drivewheel 1 with
4 equal length of belt when 2 distance between axles of driven pulley is constant；Then drivewheel 1 and the common tangent of compensation wheel 3 are AG, cross O points and make AG's
Parallel lines, with O2G meets at H, then
Driven pulley 2 is BE with the common tangent of compensation wheel 3, crosses O1Point makees the parallel lines of BE, with O2E meets at F, then
Then 4 total length of belt is
Three wheel diameters not etc. state when Belt Length be all R with drivewheel 1 and 2 radius of driven pulley all the time, it is not necessary to mend
Repay wheel 3, and belt 4 equal length of the drivewheel 1 with 2 distance between axles of driven pulley when constant.I.e.
In formula D be drivewheel 1 with 2 axle center of driven pulley away from；Radiuses of the R for drivewheel 1；Radiuses of the r for driven pulley 2；R2
For the radius of compensation wheel 3.Analysis obtains table 1.
The radius list of the compensation wheel 3 under the conditions of the driven pulley 2 of 1 different radii of table, different drivewheels 1 and driven pulley 2
In fig. 2, the drivewheel 1 of design has several active annular grooves 17 and an end race 16, respectively can with it is driven
S driven slots 5, M driven slots 6, L driven slots 7, XL driven slots 8 and XXL driven slots 9 in wheel 2, is carried out with the belt 4 of same length
Transmission.The radius of its standard annular groove 10 is equal with each groove radius of drivewheel 1, therefore claims standard annular groove 10, or waits bull wheel.When from
Driving wheel 2 need to 1 constant speed drive of drivewheel when, belt 4 need not connect compensation wheel 3 when, standard annular groove 10 and end race 16 between lead to
Cross belt 4 to connect, drivewheel 1 and driven pulley 2 can be driven at the same speed.In order that from a kind of belt 4 of length, therefore need leading
Insertion compensation wheel 3 between driving wheel 1 and driven pulley 2, when 4 length of belt after compensation is with wheel 3 is not compensated, and drivewheel 1 with
4 length of belt when 2 radius of driven pulley is equal is consistent, that is, changing different radii driven pulley 2 to reach different corresponding outputs
During speed, only belt 4 need to be adjusted to corresponding compensation annular groove 18, it is not necessary to change belt 4.Therefore 4 connection standard of belt
Need not compensate for during annular groove 10, during the connection XXL driven slots 9 of belt 4, need XXL grooves compensating tank 11, the connection XL of belt 4 driven slots 8
When need XL grooves compensating tank 12, L grooves compensating tank 13 is needed during the connection L driven slots 7 of belt 4, is needed during the connection M driven slots 6 of belt 4
M grooves compensating tank 14, needs to compensate S-chamber compensating tank 15 during the connection S driven slots 5 of belt 4.The driven pulley 2 and compensation wheel 3 of design is all examined
Considering belt 4 has one fixed width and thickness, therefore on each wheel arranges trench structure.
One successful example, selects 1 radius of drivewheel to be 3.0cm, S driven slots 5 radius 0.5cm, the M on driven pulley 2
8 radius 2.0cm, XXL driven slot of driven slot 6 radius 1.0cm, L driven slot, 7 radius 1.5cm, XL driven slot, 9 radius 2.5cm, mark
During 10 radius 3.0cm of quasi-ring groove, away from for D=24.0cm, then 15 radius of S-chamber compensating tank is for drivewheel 1 and 2 liang of axles of driven pulley
14 radius of 8.3835cm, M groove compensating tank be 7.9785cm, 13 radius of L grooves compensating tank be 7.4649cm, 12 radius of XL grooves compensating tank
For 6.7869cm, 11 radius of XXL grooves compensating tank is 5.8011cm.The axle of compensation wheel 3 is located at drivewheel 1 and driven pulley 2 in principle
Middle, but it is also possible to appropriate mobile, when deployed between it is long, the elongation of belt 4 is a little or when loosening a little, as long as by compensation wheel
3 suitably a little can tighten belt 4 to the movement of 2 direction of driven pulley along guide rail.
It should be noted that above-mentioned drivewheel 1 can be exchanged with driven pulley 2,2 radius of driven pulley can be more than drivewheel 1
Radius, design are consistent.
It should be appreciated that specific embodiment described above is only used for explaining this utility model, it is not used to limit this reality
With new.By spirit of the present utility model it is extended obvious change or change still in protection of the present utility model
Among scope.
Claims (6)
1. a kind of distance between axles and Belt Length is constant and the actuating device of driven pulley radius variable, it is characterised in that：Including by outer
Drivewheel (1) and multigroup transmission combination groove that power drives, the drivewheel (1) are connected with driven pulley by belt (4)
(2), the centerline axis parallel and spacing of the drivewheel (1) and driven pulley (2) is definite value, the drivewheel (1) and driven pulley
(2) compensation wheel (3) is provided between, the periphery of compensation wheel (3) is located between belt (4)；Every group of transmission combination groove
Include active annular groove (17), compensation annular groove (18) and driven annular groove (19), each active annular groove (17) is surrounded on drivewheel (1)
On wheel side face, and equal diameters；Each compensation annular groove (18) is surrounded on the wheel side face of compensation wheel (3), and diameter；It is each driven
Annular groove (19) is surrounded on the wheel side face of driven pulley (2), and diameter；Each transmission combination groove is respectively used in same length
When under belt (4) transmission, the different rotating speeds of driven pulley (2) are reached.
2. a kind of distance between axles according to claim 1 and Belt Length is constant and the actuating device of driven pulley radius variable,
It is characterized in that：The centerline axis parallel of the drivewheel (1), driven pulley (2) and compensation wheel (3) is arranged, and respectively compensates annular groove
(18) diameters are along the axial direction of compensation wheel (3)Incremented by successively, the diameters of each driven annular groove (19) are along driven
The axial direction of wheel (2)Successively decrease successively, the axial direction of compensation wheel (3)With the axial direction of driven pulley (2)In the same direction
Arrange, belt (4) the transmission trajectory of each transmission combination groove is located in the Different Plane being parallel to each other.
3. a kind of distance between axles according to claim 2 and Belt Length is constant and the actuating device of driven pulley radius variable,
It is characterized in that：The center of circle of each active annular groove (17) is respectively positioned on the axial direction of drivewheel (1)On, respectively compensate the circle of annular groove (18)
The heart is respectively positioned on the axial direction of compensation wheel (3)On, the center of circle of each driven annular groove (19) is respectively positioned on the axial direction of driven pulley (2)On.
4. a kind of distance between axles and Belt Length according to any one of claim 1-3 is constant and driven pulley radius variable
Actuating device, it is characterised in that：In the axial direction of driven pulley (2)On, the drivewheel (1) is cylindrical, the compensation
, in turbination, the driven pulley (2) is in regular conical for wheel (3).
5. a kind of distance between axles according to claim 4 and Belt Length is constant and the actuating device of driven pulley radius variable,
It is characterized in that：Standard annular groove (10) is surrounded with the wheel side face at the big end of the driven pulley (2) also, the drivewheel (1)
End race (16), the diameter phase of the standard annular groove (10), end race (16) and active annular groove (17) are surrounded with wheel side face also
Belt (4) transmission trajectory at, the standard annular groove (10) and end race (16) is located in a plane, the standard annular groove
(10) and end race (16) for being connected with each other by belt (4) when, drivewheel (1) driving driven pulley (2) constant velocity rotation, and institute
State compensation wheel (3) not contact with belt (4).
6. a kind of distance between axles and Belt Length according to any one of claim 1-3 is constant and driven pulley radius variable
Actuating device, it is characterised in that：The actuating device also includes guide rail, and the end of the compensation wheel (3) is slidably connected to guide rail
In, the trace centerline that the central axis of the drivewheel (1) and driven pulley (2) is slided with compensation wheel (3) intersects vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092471.0U CN206072272U (en) | 2016-09-28 | 2016-09-28 | A kind of distance between axles and Belt Length is constant and the actuating device of driven pulley radius variable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092471.0U CN206072272U (en) | 2016-09-28 | 2016-09-28 | A kind of distance between axles and Belt Length is constant and the actuating device of driven pulley radius variable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206072272U true CN206072272U (en) | 2017-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621092471.0U Withdrawn - After Issue CN206072272U (en) | 2016-09-28 | 2016-09-28 | A kind of distance between axles and Belt Length is constant and the actuating device of driven pulley radius variable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206072272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286734A (en) * | 2016-09-28 | 2017-01-04 | 常州大学怀德学院 | A kind of distance between axles and Belt Length is constant and the actuating device of driven pulley radius variable |
-
2016
- 2016-09-28 CN CN201621092471.0U patent/CN206072272U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286734A (en) * | 2016-09-28 | 2017-01-04 | 常州大学怀德学院 | A kind of distance between axles and Belt Length is constant and the actuating device of driven pulley radius variable |
| CN106286734B (en) * | 2016-09-28 | 2018-07-24 | 常州大学怀德学院 | A kind of distance between axles and Belt Length is constant and the transmission device of driven wheel radius variable |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170405 Effective date of abandoning: 20180724 |