CN208331160U - A kind of V belt nesting stepless speed change device - Google Patents
A kind of V belt nesting stepless speed change device Download PDFInfo
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- CN208331160U CN208331160U CN201820735232.5U CN201820735232U CN208331160U CN 208331160 U CN208331160 U CN 208331160U CN 201820735232 U CN201820735232 U CN 201820735232U CN 208331160 U CN208331160 U CN 208331160U
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Abstract
The utility model discloses a kind of V belt nesting stepless speed change devices, including a pair of of sun belt wheel, a pair of of sun belt wheel is oppositely arranged in left and right directions, a pair of of planetary belt is embedding to be set between a pair of of sun belt wheel, a pair of of planetary belt is externally provided with V band, a pair of of planetary gear belt wheel forms the inside V slot being meshed with the side inner segment of V band outside, a pair of of sun belt wheel forms the external V slot being meshed with the side outer segment of V band outside, a pair of of planetary belt difference turning set is mounted on a pair of of eccentric wheel, a pair of of eccentric wheel is set on the same transmission shaft, output shaft and the transmission shaft for inputting motor are coaxially connected, input disc is fixed on one of planetary belt；The spacing that a pair of of sun belt wheel is adjusted by the first regulating mechanism, the spacing of a pair of of planetary belt is adjusted by the second regulating mechanism.The utility model advantage: electrodeless variable-speed is realized to change the working radius of V band by nested structure and two regulating mechanisms.
Description
Technical field
The utility model relates to machinery equipment field more particularly to a kind of V belt nesting stepless speed change devices.
Background technique
In addition to small part mechanical equipment directly by prime mover driven other than, its working speed of most of mechanical equipment and former
The revolving speed of motivation is inconsistent, therefore prime mover is often arranged in pairs or groups with retarder and used, and lower revolving speed on the one hand can be obtained, and increases and turns
On the other hand square can reduce load inertia, can control the start-stop, speed change of prime mover in time.The transmission ratio of retarder is solid
It is fixed, but in practical projects, some mechanical equipment needs work under several different revolving speeds, this is just needed according to practical work
Make demand adjustment transmission ratio, speed changer is just able to satisfy such work requirements, according to transmission ratio can be divided into step change transmission,
Buncher and comprehensive speed changer.
The transmission ratio of buncher can consecutive variations in a certain range, commonly metal belt type stepless variable at present
Device changes the variation of contact radius (i.e. working radius) the realization transmission ratio of master and slave moving part and conveyer belt by frictional drive,
To obtain the best match of power train Yu prime mover operating condition.Its work ratio coverage is wide, is easy to form ideal with engine
Matching, so as to improve combustion process, and then favor the advantages of reduce oil consumption and discharge by automobile industry, but just come at present
It says, buncher is chiefly used in automobile industry, it is contemplated that its size, weight and complexity cause it in other industrial trades
Utilization rate is lower, promotes more difficult.Therefore, small size, slim and graceful, structure are simply and the gear with reversible output is
The buncher of more industrial trade demands, substitutes the speed changer of original backwardness, reaches the energy damage reduced in industrial production
The purpose of mistake.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of V belt nesting electrodeless variable-speed dress
It sets, to realize electrodeless variable-speed by nested structure and two regulating mechanisms to change the working radius of V band.
The utility model is achieved through the following technical solutions:
A kind of V belt nesting stepless speed change device, including it is a pair of of sun belt wheel, a pair of of planetary belt, a pair of of eccentric wheel, defeated
Enter motor, transmission shaft, output panel, a pair of of sun belt wheel is oppositely arranged in left and right directions and is separately mounted to left shell and right shell body
On, a pair of of planetary belt in left and right be oppositely arranged and it is embedding be set between a pair of of sun belt wheel, a pair of of planetary belt is externally provided with V
Band, a pair of of planetary gear belt wheel form internal V slot outside, and the internal V slot is meshed with the side inner segment of V band, a pair of of sun belt wheel
V slot outside outer formation, the external V slot are meshed with the side outer segment of V band, and a pair of of planetary belt difference turning set is mounted in a pair
On eccentric wheel, a pair of of eccentric wheel is set on the same transmission shaft, and the input motor is installed therein a sun band
On wheel, the output shaft of the input motor extends and coaxially connected with the transmission shaft in left-right direction, in a pair of of planetary belt
A planetary belt far from input motor is output planetary belt wheel, is fixed on the output planetary belt wheel and a pair of of planet
The concentric input disc of belt wheel, the input disc are protruding from ipsilateral sun belt wheel centre bore；Pass through the first regulating mechanism
It adjusts the spacing between left shell and right shell body and then adjusts the spacing of a pair of of sun belt wheel, adjusted by the second regulating mechanism
The spacing for saving a pair of of planetary belt, by adjusting the spacing of a pair of of sun belt wheel and the spacing of a pair of of planetary belt to change biography
Dynamic ratio.
Further, first regulating mechanism includes the first adjusting component, and every group first adjusting component includes the first tune
Bolt, the first adjusting nut and the first spring are saved, has the first left through-hole and the first right through-hole on left shell and right shell body,
First adjusts the left through-hole of screw bolt passes first and the first right through-hole and is locked by the first adjusting nut, and described first is adjusted
The first spring is set on bolt, first spring is between the first left through-hole and the first right through-hole.
Further, second regulating mechanism includes the second adjusting component, and every group second adjusting component includes the second tune
Bolt, the second adjusting nut and second spring are saved, has the second left through-hole and the second right through-hole on a pair of of planetary belt, the
Two adjust the left through-hole of screw bolt passes second and the second right through-hole and are locked by the second adjusting nut, and described second adjusts spiral shell
Second spring is set on bolt, the second spring is between the second left through-hole and the second right through-hole.
Further, it is connected between the output shaft and the transmission shaft of the input motor by shaft coupling.
The utility model has the advantage that compared with prior art
A kind of V belt nesting stepless speed change device provided by the utility model, a pair of of planetary belt is embedding is set on one
To between sun belt wheel, and adjusted by two regulating mechanisms between the spacing and a pair of of sun belt wheel of a pair of of planetary belt
Away to can continuously obtain any transmission ratio in slewing range, realization electrodeless variable-speed to change the transmission ratio of device.And this
The apparatus structure that utility model provides is simple, compact layout, it is low in cost, easy to operate, easy to spread, have it is reversible defeated
Function out.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is that the axis of the main working parts of the utility model surveys sectional view.
Figure label: left sun belt wheel 1, output panel 2, left eccentric wheel 3, left bearing 4, left planetary belt 5, V band 6, left housing
Body 7, first adjusts bolt 8, and right shell body 9, right sun belt wheel 10, second adjusts bolt 11, transmission shaft 12, swivel bearing 13, electricity
Machine support 14, shaft coupling 15 input motor 16, right planetary belt 17, right bearing 18, right eccentric wheel 19.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited
In following embodiments.
Referring to Fig. 1 and Fig. 2, present embodiment discloses a kind of V belt nesting stepless speed change devices, including a pair of of sun band
Wheel, a pair of of planetary belt, a pair of of eccentric wheel, input motor 16, transmission shaft 12, output panel 2, a pair of of sun belt wheel are in left and right directions
It is oppositely arranged and is separately mounted on left shell 7 and right shell body 9, a pair of of sun belt wheel is respectively left sun belt wheel 1 and the right sun
Belt wheel 10, a pair of of planetary belt be oppositely arranged in left and right and it is embedding be set between a pair of of sun belt wheel, a pair of of planetary belt point
Not Wei left planetary belt 5 and right planetary belt 17, a pair of of planetary belt is externally provided with V band 6, forms inside outside a pair of of planetary gear belt wheel
V slot, the internal V slot are meshed with the side inner segment of V band 6, form external V slot outside a pair of of sun belt wheel, the external V slot and
The side outer segment of V band 6 is meshed, and a pair of of planetary belt passes through left bearing 4 and 18 turning set of right bearing mounted in a pair of eccentric respectively
On wheel, a pair of of eccentric wheel is set on the same transmission shaft 12, and a pair of of eccentric wheel is respectively left eccentric wheel 3 and right eccentric wheel
19, the input motor 16 is mounted on right sun belt wheel 10 by electric machine support 14, the output shaft edge of the input motor 16
Left and right directions extends and passes through shaft coupling 15 and the transmission shaft 12 is coaxially connected, and transmission shaft 12 passes through 13 rotating turret of swivel bearing
In right sun belt wheel 10, in a pair of of planetary belt, left planetary belt 5 is far from input motor 16, and left planetary belt 5 is as defeated
Planetary belt out is fixed with the input disc concentric with a pair of of planetary belt, the input disc on the output planetary belt wheel
It is protruding from ipsilateral left 1 centre bore of sun belt wheel；It is adjusted by the first regulating mechanism between left shell 7 and right shell body 9
Spacing so that adjust the spacing of a pair of of sun belt wheel, the spacing of a pair of of planetary belt is adjusted by the second regulating mechanism, is led to
The spacing of a pair of of sun belt wheel and the spacing of a pair of of planetary belt are overregulated to change transmission ratio.
Wherein, the form of bolt and nut auxiliary connection can be used in two regulating mechanisms, and first regulating mechanism includes first
Component is adjusted, every group first adjusting component includes the first adjusting bolt 8, the first adjusting nut and the first spring, left shell 7 and the right side
The first left through-hole and the first right through-hole are had on shell 9, the first adjusting bolt 8 sequentially passes through the first left through-hole and first right side
Through-hole is simultaneously locked by the first adjusting nut, is set with the first spring on the first adjusting bolt 8, first spring is located at
Between first left through-hole and the first right through-hole.Second regulating mechanism includes the second adjusting component, every group second adjusting component
Adjust bolt 11, the second adjusting nut and second spring including second, had on a pair of of planetary belt the second left through-hole and
Second right through-hole, the second adjusting bolt 11 sequentially pass through the second left through-hole and the second right through-hole and are locked by the second adjusting nut
Tightly, it is set with second spring on the second adjusting bolt 11, the second spring is located at the second left through-hole and the second right through-hole
Between.
When work, next stage mechanical equipment is connected with output panel 2, right sun belt wheel 10 first, starting input motor
16, input motor 16 drives transmission shaft 12 to rotate by shaft coupling 15, and transmission shaft 12 drives left eccentric wheel 3 and 19 turns of right eccentric wheel
It is dynamic, left planetary belt 5 can be made to revolve together around transmission shaft 12 with right planetary belt 17, left planetary belt 5 and right lateral star braid
Wheel 17 drives V band 6 to revolve around left sun belt wheel 1 and right sun belt wheel 10, and the operating of V band 6 is to drive left planetary belt 5 and the right side
17 rotation of planetary belt, the left drive of planetary belt 5 output panel 2 revolves together and rotation, output panel 2 switch to export certainly.
During work, by adjusting the first regulating mechanism and the second regulating mechanism simultaneously, divide two pairs of belt wheels respectively
It is not close and separate, so that a pair of of belt wheel is separated from each other while another pair belt wheel is close to each other, to change two pairs of belt wheels and V band 6
The working radius being in contact changes transmission ratio in turn.When the working radius that a pair of of planetary belt is contacted with V band 6 is greater than a pair of of sun
When the working radius that belt wheel 10 is contacted with V band 6, output panel 2, which slows down, to be exported, sense of rotation and input 16 input direction one of motor
It causes；When the working radius that a pair of of planetary belt is contacted with V band 6 is less than the working radius that a pair of of sun belt wheel 10 is contacted with V band 6
When, output panel 2, which slows down, to be exported, and sense of rotation is opposite with input 16 input direction of motor；When a pair of of planetary belt is contacted with V band 6
Working radius when being equal to the working radius that a pair of of sun belt wheel 10 contact with V band 6, the deceleration of output panel 2 exports, and output panel 2 is not
Rotation again.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (4)
1. a kind of V belt nesting stepless speed change device, it is characterised in that: including a pair of of sun belt wheel, a pair of of planetary belt, a pair
Eccentric wheel, input motor, transmission shaft, output panel, a pair of of sun belt wheel are oppositely arranged in left and right directions and are separately mounted to left housing
On body and right shell body, a pair of of planetary belt in left and right be oppositely arranged and it is embedding be set between a pair of of sun belt wheel, a pair of of planet
Belt wheel is externally provided with V band, and internal V slot is formed outside a pair of of planetary gear belt wheel, and the internal V slot is meshed with the side inner segment of V band, and one
To external V slot is formed outside sun belt wheel, the external V slot is meshed with the side outer segment of V band, and a pair of of planetary belt rotates respectively
It is sleeved on a pair of of eccentric wheel, a pair of of eccentric wheel is set on the same transmission shaft, and the input motor is installed therein
On one sun belt wheel, the output shaft of the input motor extends in left-right direction and, a pair coaxially connected with the transmission shaft
A planetary belt far from input motor in planetary belt is output planetary belt wheel, is fixed on the output planetary belt wheel
The concentric input disc with a pair of of planetary belt, the input disc are protruding from ipsilateral sun belt wheel centre bore；Pass through
One regulating mechanism adjusts the spacing between left shell and right shell body and then adjusts the spacing of a pair of of sun belt wheel, passes through second and adjusts
Mechanism is saved to adjust the spacing of a pair of of planetary belt, passes through the spacing of the spacing for adjusting a pair of of sun belt wheel and a pair of of planetary belt
To change transmission ratio.
2. a kind of V belt nesting stepless speed change device as described in claim 1, it is characterised in that: first regulating mechanism
Component is adjusted including first, every group first adjusting component includes the first adjusting bolt, the first adjusting nut and the first spring, left housing
Have the first left through-hole and the first right through-hole on body and right shell body, first adjusts the left through-hole of screw bolt passes first and the
One right through-hole is simultaneously locked by the first adjusting nut, is set with the first spring, first spring on the first adjusting bolt
Between the first left through-hole and the first right through-hole.
3. a kind of V belt nesting stepless speed change device as described in claim 1, it is characterised in that: second regulating mechanism
Component is adjusted including second, every group second adjusting component includes the second adjusting bolt, the second adjusting nut and second spring, a pair
The second left through-hole and the second right through-hole are had on planetary belt, second adjusts the left through-hole of screw bolt passes second and second
Right through-hole is simultaneously locked by the second adjusting nut, is set with second spring, the second spring position on the second adjusting bolt
Between the second left through-hole and the second right through-hole.
4. a kind of V belt nesting stepless speed change device as described in claim 1, it is characterised in that: it is described to input the defeated of motor
It is connected between shaft and the transmission shaft by shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735232.5U CN208331160U (en) | 2018-05-16 | 2018-05-16 | A kind of V belt nesting stepless speed change device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735232.5U CN208331160U (en) | 2018-05-16 | 2018-05-16 | A kind of V belt nesting stepless speed change device |
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| Publication Number | Publication Date |
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| CN208331160U true CN208331160U (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820735232.5U Active CN208331160U (en) | 2018-05-16 | 2018-05-16 | A kind of V belt nesting stepless speed change device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426010A (en) * | 2018-05-16 | 2018-08-21 | 中国科学院合肥物质科学研究院 | A kind of V belts nesting stepless speed change device |
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2018
- 2018-05-16 CN CN201820735232.5U patent/CN208331160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426010A (en) * | 2018-05-16 | 2018-08-21 | 中国科学院合肥物质科学研究院 | A kind of V belts nesting stepless speed change device |
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