CN207796006U - Reducing type contiuously variable transmission - Google Patents
Reducing type contiuously variable transmission Download PDFInfo
- Publication number
- CN207796006U CN207796006U CN201820112002.3U CN201820112002U CN207796006U CN 207796006 U CN207796006 U CN 207796006U CN 201820112002 U CN201820112002 U CN 201820112002U CN 207796006 U CN207796006 U CN 207796006U
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- driving wheel
- moving plate
- wheel
- driven wheel
- driven
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Abstract
The utility model discloses a kind of reducing type contiuously variable transmissions, active wheels, driven wheels, variable velocity zone (6), the active wheels include driving wheel price fixing (2), driving wheel Moving plate (3), driving wheel holddown spring (4), driving wheel price fixing (2) is fixed on output shaft (12), driving wheel Moving plate (3) is arranged on output shaft (12), and driving wheel holddown spring (4) top pressure driving wheel Moving plate (3) clamps variable velocity zone (6)；The driven wheels include driven wheel price fixing (8), driven wheel Moving plate (7), driven wheel holddown spring (15), driven wheel price fixing (8) is fixed on input shaft (16), driven wheel Moving plate (7) is arranged on input shaft (16), driven wheel holddown spring (15) top pressure driven wheel Moving plate (7) clamps variable velocity zone (6), and the elastic force of driven wheel holddown spring (15) is much larger than the elastic force of driving wheel holddown spring (4).Using after this structure, having the advantages that simple and reasonable, easy for operation, slewing range is big, speed governing effect is good, reliable and stable, production cost is low etc..
Description
Technical field
The utility model is related to gear technical field, especially a kind of reducing type of driving snowplough trailing wheel walking without
Grade speed changer.
Background technology
Tradition, which removes accumulated snow method, mainly artificial snow removing, chemical solvent snow removing and snow removal with machine.Artificial snow removing is generally adopted
With pushing away, shoveling, sweeping mode, the disadvantage is that time-consuming and laborious, efficiency is low, is only suitable for the place of small area；Although chemical solvent snow removing letter
It singly saves trouble, but snow melting agent meeting road pavement generates chemical etching, shortens Road Service Life, while there is also generated to ambient enviroment
The problem of serious pollution；Snow removal with machine is current most effective snow-removing method, and speed of not only sweeping away snow is fast, efficiency of cleaning snow is high, but also
Remove the snow at low cost, will not generation environment pollution, therefore, fast, the economical and practical small ploughs of various speed of sweeping away snow come into being,
And it is widely applied rapidly.But current small ploughs have the following problems：Existing snowplough generally passes through adjusting
The friction radius of friction pulley and frictional disk realizes trailing wheel speed governing, and friction pulley and frictional disk occupied space are larger, slewing range compared with
It is narrow, bounce is easily caused, stability is poor, and volume is big, and production cost is high.In view of the above-mentioned problems, many manufacturers and it is insighted it
Scholar develops and develops, but there has been no the appearances of relatively satisfactory product so far.
Invention content
In order to solve the above problem of the existing technology, the purpose of this utility model is to provide a kind of conjunction simple in structure
Reason, reducing type contiuously variable transmission easy for operation, slewing range is big, speed governing effect is good, reliable and stable, production cost is low.
The utility model solves technical solution used by above-mentioned technical problem, it includes engine, active wheels, driven
Wheel group, the transmission case of driving machine advance, variable velocity zone, tensioning speed regulation device, the active wheels include driving wheel price fixing, master
Driving wheel Moving plate, driving wheel holddown spring, driving wheel price fixing are fixed on the output shaft of engine, and driving wheel Moving plate is axially movable
Ground is arranged on output shaft, and driving wheel price fixing is equipped with driving wheel price fixing outer collar, and driving wheel Moving plate is equipped with can opposite active
The driving wheel Moving plate inside race of price fixing outer collar axial movement is taken turns, driving wheel holddown spring is set on output shaft and top pressure active
The chuck clamping that moves in turn variable velocity zone；The driven wheels include driven wheel price fixing, driven wheel Moving plate, driven wheel holddown spring, driven
Wheel price fixing is fixed on the input shaft of transmission case, and driven wheel Moving plate is axially displaceably arranged on input shaft, driven wheel price fixing
It is equipped with driven wheel price fixing outer collar, driven wheel Moving plate is equipped with the driven wheel that can be moved axially with respect to driven wheel price fixing outer collar
Moving plate inside race, driven wheel holddown spring is set on input shaft and top pressure driven wheel Moving plate clamps variable velocity zone, and driven wheel compresses
The elastic force of spring is more than the elastic force of driving wheel holddown spring.
The further scheme of the utility model, the tensioning speed regulation device include bracing wire, tensioning plate, tensioning wheel, tensioning
One end of plate is hinged on body, and the other end is connect with bracing wire, and tensioning wheel is rotatably arranged on tensioning plate, and tensioning wheel leans against
On the variable velocity zone of driven wheels side, pull bracing wire that tensioning wheel is made to push the thrust of variable velocity zone more than the elastic force of driven wheel holddown spring
When, the variable velocity zone transmission radius of driven wheels side becomes smaller, and the variable velocity zone of active wheels side is acted in driving wheel holddown spring elastic force
Underdrive radius increases.
The further scheme of the utility model, the variable velocity zone are V-type band, driving wheel price fixing and driving wheel Moving plate, from
Driving wheel price fixing separately constitutes and the matched V-groove mouth of variable velocity zone with driven wheel Moving plate.
The output shaft outside of the further scheme of the utility model, the engine is fixed with belt wheel, and driving wheel compresses bullet
Spring on the basis of belt wheel, the other end telescopically top pressure on driving wheel Moving plate.
The input shaft of the further scheme of the utility model, the transmission case is equipped with spring backing pin or baffle ring, driven wheel
Holddown spring on the basis of spring backing pin or baffle ring, the other end telescopically top pressure on driven wheel Moving plate.
With the above structure, it has the following advantages compared with the prior art and effect：First, due on principal and subordinate wheel Moving plate
It is correspondingly provided with the principal and subordinate wheel Moving plate inside race that can be moved axially with respect to principal and subordinate wheel price fixing outer collar, driven wheel holddown spring
Elastic force is more than the elastic force of driving wheel holddown spring, and variable velocity zone can be not only kept under the elastic force effect of principal and subordinate wheel holddown spring
It is relative constant with the frictional force of principal and subordinate wheel group, and can ensure the stability of transmission.Second is that by being tensioned speed regulation device
The cooperation of tensioning wheel and variable velocity zone can obtain the electrodeless variable-speed in slewing range, and slewing range is big, and speed governing effect is good, volume
Small, production cost is low, easy to operate, easy to use.
Description of the drawings
Fig. 1 is dimensional structure diagram when the utility model low speed is run.
Fig. 2 is fit structure schematic diagram when the utility model low speed is run.
Dimensional structure diagram when Fig. 3 is the utility model high-speed cruising.
Fit structure schematic diagram when Fig. 4 is the utility model high-speed cruising.
Wherein 1 engine, 2 driving wheel price fixings, 3 driving wheel Moving plates, 4 driving wheel holddown springs, 5 belt wheels, 6 variable velocity zones, 7 from
Driving wheel Moving plate, 8 driven wheel price fixings, 9 bracing wires, 10 tensioning plates, 11 tensioning wheels, 12 output shafts, 13 driving wheel Moving plate inside races, 14 masters
Driving wheel price fixing outer collar, 15 driven wheel holddown springs, 16 input shafts, 17 driven wheel price fixing outer collars, 18 driven wheel Moving plate inner sleeves
Circle, 19 spring backing pins or baffle ring, 20 transmission cases, 21 bodies.
Specific implementation mode
It is the specific embodiment of the utility model reducing type contiuously variable transmission, it includes engine shown in Fig. 1 to Fig. 4
1, active wheels, driven wheels, the transmission case 20 of driving machine advance, variable velocity zone 6, tensioning speed regulation device, the driving wheel
Group includes driving wheel price fixing 2, driving wheel Moving plate 3, driving wheel holddown spring 4, and driving wheel price fixing 2 is fixed on the output of engine 1
On axis 12, driving wheel Moving plate 3 is axially displaceably arranged by spline on output shaft 12, and driving wheel price fixing 2 is equipped with actively
Price fixing outer collar 14 is taken turns, being equipped with by spline on driving wheel Moving plate 3 can be with respect to the master of 14 axial movement of driving wheel price fixing outer collar
Driving wheel Moving plate inside race 13, it is ensured that the stability of transmission, driving wheel holddown spring 4 is set on output shaft 12 and top pressure master
Driving wheel Moving plate 3 clamps variable velocity zone 6；The driven wheels include driven wheel price fixing 8, driven wheel Moving plate 7, driven wheel holddown spring
15, driven wheel price fixing 8 is fixed on the input shaft 16 of transmission case 20, and driven wheel Moving plate 7 is axially displaceably arranged by spline
On input shaft 16, driven wheel price fixing 8 is equipped with driven wheel price fixing outer collar 17, and being equipped with by spline on driven wheel Moving plate 7 can
The driven wheel Moving plate inside race 18 of opposite 17 axial movement of driven wheel price fixing outer collar, it is ensured that the stability of transmission, it is driven
Wheel holddown spring 15 is set on input shaft 16 and top pressure driven wheel Moving plate 7 clamps variable velocity zone 6, the bullet of driven wheel holddown spring 15
Power is more than the elastic force of driving wheel holddown spring 4.The variable velocity zone 6 is V-type band, driving wheel price fixing 2 and driving wheel Moving plate 3, from
Driving wheel price fixing 8 separately constitutes and 6 matched V-groove mouth of variable velocity zone with driven wheel Moving plate 7.
In order to realize that stepless time adjustment, the tensioning speed regulation device include bracing wire 9, tensioning plate 10, tensioning wheel 11, tensioning plate
10 one end is hinged on body 21, and the other end is connect with bracing wire 9, and tensioning wheel 11 is rotatably arranged on tensioning plate 10,
Bearing up pulley 11 leans against on the variable velocity zone 6 of driven wheels side, pulls bracing wire 9 to make tensioning wheel 11 that the thrust of variable velocity zone 6 be pushed to be more than driven
When taking turns the elastic force of holddown spring 15,6 transmission radius of variable velocity zone of driven wheels side becomes smaller, and the variable velocity zone 6 of active wheels side is in master
4 elastic force of driving wheel holddown spring acts on underdrive radius and increases.
In order to realize that power transmits, 12 outside of output shaft of the engine 1 is further fixed on belt wheel 5, and driving wheel compresses
Spring 4 on the basis of belt wheel 5, the other end telescopically top pressure on driving wheel Moving plate 3, it is ensured that in speed adjustable range actively
Wheel holddown spring 4 is basically unchanged the pressure of driving wheel Moving plate 3.The input shaft 16 of the transmission case 20 be equipped with spring backing pin or
Baffle ring 19, driven wheel holddown spring 15 is on the basis of spring backing pin or baffle ring 19, and telescopically top pressure moves in turn the other end driven
On disk 7, it is ensured that driven wheel holddown spring 15 is basically unchanged the pressure of driven wheel Moving plate 7 in speed adjustable range.
When the utility model original operating state, driving wheel holddown spring 4 compresses driving wheel on the basis of the end face of belt wheel 5
Moving plate 3, driven wheel holddown spring 15 compress driven wheel Moving plate 7 on the basis of spring backing pin or baffle ring 19, and wiring 9 is in free shape
State, tensioning wheel 11 are rotated together with variable velocity zone 6, but do not generate thrust to variable velocity zone 6, as depicted in figs. 1 and 2, due to driven
The elastic force for taking turns holddown spring 15 is more than the elastic force of driving wheel holddown spring 4, and 6 transmission radius of variable velocity zone of active wheels side is most at this time
Small, 6 inner ring of variable velocity zone is contacted with 13 outer circle of driving wheel Moving plate inside race, and 6 transmission radius of variable velocity zone of driven wheels side is maximum, from
Driving wheel group drives the operation of snowplough trailing wheel low speed by transmission case.
When speed governing working condition, wiring 9, wiring 9 is pulled to drive tensioning wheel 11 to be tensioned and to variable velocity zone 6 by tensioning plate 10
Thrust is generated, when tensioning wheel 11 pushes the thrust of variable velocity zone 6 to be more than the elastic force of driven wheel holddown spring 15, driven wheel Moving plate 7
Elastic force and 8 clutch of driven wheel price fixing of driven wheel holddown spring 15 are overcome under the collective effect of centrifugal force, variable velocity zone 6 is inwardly
Mobile, 6 transmission radius of variable velocity zone of driven wheels side tapers into, and driving wheel Moving plate 3 is in the elastic force of driving wheel holddown spring 4
It is moved axially to driving wheel price fixing 2 under effect, variable velocity zone 6 moves outward, and 6 transmission radius of variable velocity zone of active wheels side is gradual
Increase, to make driven wheels export suitable rotating speed；When 6 inner ring of variable velocity zone is contacted with 18 outer circle of driven wheel Moving plate inside race
When, 6 transmission radius of variable velocity zone of active wheels side is maximum, and 6 transmission radius of variable velocity zone of driven wheels side is minimum, at this time driven wheel
Group output rotating speed is maximum, as shown in Figure 3 and Figure 4.
The above, only specific embodiment of the utility model, not makes in any form the utility model
Limitation, on the basis of not departing from the technical solution of the utility model, made simple modification, equivalent variations or modification are fallen
Enter the scope of protection of the utility model.
Claims (5)
1. a kind of reducing type contiuously variable transmission, including engine (1), active wheels, driven wheels, the transmission for driving machine to advance
Case (20), variable velocity zone (6), tensioning speed regulation device, it is characterized in that：The active wheels include driving wheel price fixing (2), driving wheel
Moving plate (3), driving wheel holddown spring (4), driving wheel price fixing (2) are fixed on the output shaft (12) of engine (1), actively move in turn
Disk (3) is axially displaceably arranged on output shaft (12), and driving wheel price fixing (2) is equipped with driving wheel price fixing outer collar (14),
Driving wheel Moving plate (3) is equipped with the driving wheel Moving plate inside race (13) that can be moved axially with respect to driving wheel price fixing outer collar (14),
Driving wheel holddown spring (4) is set on output shaft (12) and top pressure driving wheel Moving plate (3) clamps variable velocity zone (6)；It is described from
Driving wheel group includes driven wheel price fixing (8), driven wheel Moving plate (7), driven wheel holddown spring (15), and driven wheel price fixing (8) is fixed on
On the input shaft (16) of transmission case (20), driven wheel Moving plate (7) is axially displaceably arranged on input shaft (16), and driven wheel is fixed
Disk (8) is equipped with driven wheel price fixing outer collar (17), and driven wheel Moving plate (7) is equipped with can be with respect to driven wheel price fixing outer collar (17)
The driven wheel Moving plate inside race (18) of axial movement, driven wheel holddown spring (15) is set on input shaft (16) and top pressure is driven
It takes turns Moving plate (7) and clamps variable velocity zone (6), the elastic force of driven wheel holddown spring (15) is more than the elastic force of driving wheel holddown spring (4).
2. reducing type contiuously variable transmission according to claim 1, it is characterized in that：The tensioning speed regulation device includes bracing wire
(9), one end of tensioning plate (10), tensioning wheel (11), tensioning plate (10) is hinged on body (21), and the other end connects with bracing wire (9)
It connects, tensioning wheel (11) is rotatably arranged on tensioning plate (10), and tensioning wheel (11) leans against the variable velocity zone (6) of driven wheels side
On, when bracing wire (9) being pulled to make tensioning wheel (11) that the thrust of variable velocity zone (6) be pushed to be more than the elastic force of driven wheel holddown spring (15),
Variable velocity zone (6) transmission radius of driven wheels side becomes smaller, and the variable velocity zone (6) of active wheels side is in driving wheel holddown spring (4) bullet
Force effect underdrive radius increases.
3. reducing type contiuously variable transmission according to claim 1 or 2, it is characterized in that：The variable velocity zone (6) is V-type band,
Driving wheel price fixing (2) separately constitutes and variable velocity zone (6) with driving wheel Moving plate (3), driven wheel price fixing (8) and driven wheel Moving plate (7)
Matched V-groove mouth.
4. reducing type contiuously variable transmission according to claim 3, it is characterized in that：The output shaft (12) of the engine (1)
Outside is fixed with belt wheel (5), driving wheel holddown spring (4) on the basis of belt wheel (5), the other end telescopically top pressure in driving wheel
On Moving plate (3).
5. reducing type contiuously variable transmission according to claim 4, it is characterized in that：The input shaft (16) of the transmission case (20)
It is equipped with spring backing pin or baffle ring (19), driven wheel holddown spring (15) is on the basis of spring backing pin or baffle ring (19), the other end
Telescopically top pressure is on driven wheel Moving plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112002.3U CN207796006U (en) | 2018-01-23 | 2018-01-23 | Reducing type contiuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112002.3U CN207796006U (en) | 2018-01-23 | 2018-01-23 | Reducing type contiuously variable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207796006U true CN207796006U (en) | 2018-08-31 |
Family
ID=63270031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820112002.3U Withdrawn - After Issue CN207796006U (en) | 2018-01-23 | 2018-01-23 | Reducing type contiuously variable transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207796006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087512A (en) * | 2018-01-23 | 2018-05-29 | 浙江大邦电动工具有限公司 | Reducing type buncher |
-
2018
- 2018-01-23 CN CN201820112002.3U patent/CN207796006U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087512A (en) * | 2018-01-23 | 2018-05-29 | 浙江大邦电动工具有限公司 | Reducing type buncher |
| CN108087512B (en) * | 2018-01-23 | 2023-09-29 | 浙江大邦电动工具有限公司 | Diameter-variable stepless speed changer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180831 Effective date of abandoning: 20230929 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180831 Effective date of abandoning: 20230929 |