CN207034093U - A kind of coaxial two-direction exports positioning gear - Google Patents
A kind of coaxial two-direction exports positioning gear Download PDFInfo
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- CN207034093U CN207034093U CN201720708967.4U CN201720708967U CN207034093U CN 207034093 U CN207034093 U CN 207034093U CN 201720708967 U CN201720708967 U CN 201720708967U CN 207034093 U CN207034093 U CN 207034093U
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Abstract
A kind of coaxial two-direction exports positioning gear.Mainly solve the problems, such as that existing positioning and driving mechanism is complicated, bulky, transmission efficiency is relatively low, bearing capacity and impact resistance are weak, service life is shorter.The utility model provides a kind of coaxial two-direction output positioning gear, its output is driven by two eccentric shafts, a relatively conventional output shaft can shunt input torque, the left and right sides is extended to respectively to export, compared with the mechanism for setting a cyclo drive mechanism to reach identical output torque requirement, volume is small, more compact structure, it is easy to process, easily reach industry mass production.As preferable, first transmission mechanism is Worm and worm-wheel gearing, deflecting, self-locking, the characteristic of big speed ratio are provided, second transmission mechanism is gear drive, and transmission is respectively outputted to the left and right sides, the 3rd transmission mechanism is cyclo drive mechanism, can realize full tooth engagement simultaneously, bearing capacity is strong, and load output face is big.
Description
Technical field
Invention is related to high-accuracy drive apparatus field, and in particular to a kind of coaxial two-direction exports positioning gear.
Background technology
Existing coaxial two-direction output transmission mechanism at present, is typically driven shape using single-stage worm and gear, planetary gear etc.
Formula exports.
In order to meet to export sufficiently large torque demand, it is necessary to transmission device reaches very big transmission speed ratio, to meet such as
This big gearratio, it is necessary to Multi-stage transmission for the type of belt drive such as gear, worm and gear, and the single-stage meshing gear number of teeth
Big speed ratio could be met by differing larger, had a strong impact on the service life of gear and make it that overall structure is extremely complex, huge.
Type of belt drive, the worm and gears such as traditional worm and gear, planetary gear mainly use adjustable centre-to-centre spacing or double helical pitch structures,
Because single-stage driving is smaller, the general design requirement of big speed ratio is difficult to realize.Planetary gear to realize big speed ratio, it is necessary to
Multi-stage transmission could realize, increase processing cost and bulky, and Multi-stage transmission can cause precise decreasing, and transmission efficiency is low.
And worm and gear and gear in transmission at most can only several teeth engage simultaneously, the flank of tooth easily wears, increase gap.
In field of solar thermal power generation, due to heliostat it is small rock the deviation that reflected light can be caused very big, therefore for
The return difference and rigidity of transmission output shaft propose very high requirement, and photo-thermal power generation tracking at present is substantially all to be passed using hydraulic pressure
Flowing mode, its is complicated, and volume is big, and optional equipment is more, and fault rate is high, and wild environment difficult in maintenance and severe is for passing
The precision of dynamic device and the service life of transmission parts propose harsh test.
The content of the invention
In order to overcome the shortcomings of background technology, the present invention provides a kind of coaxial two-direction output positioning gear, main solution
Certainly existing positioning and driving mechanism is complicated, bulky, transmission efficiency is relatively low, bearing capacity and impact resistance are weak, makes
With the life-span it is shorter the problem of.
Technical scheme is used by invention：
A kind of coaxial two-direction exports positioning gear, including housing, and the housing middle-end is provided with power source and described dynamic
First transmission mechanism of power source driving, the housing both ends are equipped with transmission case, and each transmission case outer face is equipped with defeated
Placing, first transmission mechanism drive the 3rd transmission mechanism to act by the second transmission mechanism, and the 3rd transmission mechanism is used
Exported in driving the output panel to rotate,
3rd transmission mechanism includes the first eccentric shaft and the second eccentric shaft,
Second transmission mechanism includes driving the connecting shaft rotated by the first transmission mechanism, and the connecting shaft passes through transmission
Gear respectively with two eccentric axis connections；
First eccentric shaft and the second eccentric shaft are coaxially disposed and gap are provided between its opposite face.
The beneficial effect of invention is：The present invention provides a kind of coaxial two-direction output positioning gear, and it, which is exported, passes through two
Individual eccentric shaft drives, and relatively conventional output shaft can shunt input torque, is extended to the left and right sides respectively and exports,
Compared with the mechanism for setting a cyclo drive mechanism to reach identical output torque requirement, volume is small, more compact structure, processing side
Just, industry mass production is easily reached.As preferable, the first transmission mechanism is Worm and worm-wheel gearing, there is provided deflecting,
Self-locking, the characteristic of big speed ratio, the second transmission mechanism are gear drive, and transmission is respectively outputted into the left and right sides, and the 3rd passes
Motivation structure is cyclo drive mechanism, can realize full tooth engagement simultaneously, bearing capacity is strong, and load output face is big.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of one embodiment of the invention.
Fig. 2 is the schematic cross-sectional view of another angle of one embodiment of the invention.
Fig. 3 is the schematic perspective view of one embodiment of the invention.
Embodiment
Invention is described further below in conjunction with the accompanying drawings：As illustrated, a kind of coaxial two-direction output positioning gear,
Including housing 10, the housing middle-end is provided with power source and the first transmission mechanism 111 of the power source drive, the housing two
End is equipped with transmission case 1, and each transmission case outer face is equipped with output panel 19, and first transmission mechanism passes by second
Motivation structure drives the 3rd transmission mechanism 3333 to act, and the 3rd transmission mechanism 3333 is defeated for driving the output panel 19 to rotate
Go out, the 3rd transmission mechanism includes the first eccentric shaft 261 and the second eccentric shaft 262, and second transmission mechanism is included by the
One transmission mechanism drives the connecting shaft 23 rotated, and the connecting shaft is connected with two eccentric shafts respectively by travelling gear 24
Connect；The eccentric shaft 262 of first eccentric shaft 261 and second is coaxially disposed and gap 263 is provided between its opposite face.The present invention carries
Positioning gear is exported for a kind of coaxial two-direction, its output is driven by two eccentric shafts, a relatively conventional output
Axle, can shunt input torque, be extended to the left and right sides respectively and export, and reach identical compared with a cyclo drive mechanism is set
The mechanism of output torque requirement, volume is small, more compact structure, easy to process, easily reaches industry mass production.As excellent
Choosing, the first transmission mechanism is Worm and worm-wheel gearing, there is provided deflecting, self-locking, the characteristic of big speed ratio, the second transmission mechanism
For gear drive, and transmission is respectively outputted to the left and right sides, the 3rd transmission mechanism be cyclo drive mechanism, can be realized while complete
Tooth engages, and bearing capacity is strong, and load output face is big.Both sides are equipped with output panel and realize both sides coaxial synchronous output, can bear big
Load, using effect are more preferable.As there is choosing, the structure of two eccentric shafts is identical with shape, and gap between the two be present,
Can with convenient for assembly, if identical moment of torsion using a power transmission shaft, will be made big, this programme using two eccentric shafts by
Moment of torsion shunts, and service life is longer.When use, motor drives rotary shaft to rotate by Worm and worm-wheel gearing, rotates
Two eccentric shaft turns are driven by pinion rotation mechanism, eccentric shaft drives output panel to rotate by the 3rd transmission mechanism.
In the present embodiment, as illustrated, the 3rd transmission mechanism also includes also including curve wheel 28, needle roller 17, pin
Axle 18 and ring gear 20, the eccentric shaft 26 are connected by bearing 27 with the curve wheel 28, the bearing pin 18 and the curve
The connection of wheel 28, the bearing pin 18 are fixed on output panel 19 by the first screw 14, the curve wheel 28 and the ring gear 20
Between uniform some needle rollers 17, the curve wheel 28 passes through needle roller 11 and drives the rotation output of output panel 19.
In the present embodiment, as illustrated, the power source is motor 9, first transmission mechanism 1111 includes mutual
The worm gear 5 of engagement and worm screw 8, the worm screw 8 are connected by shaft coupling 12 with motor 9, and the worm gear 5 is set in the connecting shaft
Synchronous rotation on 23.Worm and gear has self-locking performance, and using effect is good, and gearratio is big, and transmission efficiency, return difference is small, resists
Impact capacity is strong.
In the present embodiment, as illustrated, the travelling gear 24 includes little gear 21 and gear wheel 22, the driving cog
Wheel 24 is set on first eccentric shaft, and the little gear 21 is set on the power transmission shaft.
In the present embodiment, as illustrated, the motor 9 is fixed on transmission case 1.
In the present embodiment, as illustrated, the ring gear 20 is fixed on transmission case 1 by the second screw 6.
In the present embodiment, as illustrated, the connecting shaft 23 is fixed on transmission case 1 by bearing 27.Mechanism is simple,
Using effect is good.
In the present embodiment, as illustrated, the both sides of the needle roller 17 are correspondingly provided with back-up ring.Spacing needle roller, operation is more
It is stable.
In the present embodiment, as illustrated, the bearing pin 18 is fixed by screws on platen 25.
In the present embodiment, as illustrated, the transmission case 1 is provided with the peep hole 281 of assembling maintenance.Can be intuitively
See the situation in casing, it is easy to use.
Embodiment is not construed as the limitation to invention, but any spiritual improvements introduced based on invention, should all invent
Protection domain within.
Claims (10)
1. a kind of coaxial two-direction exports positioning gear, including housing（10）, it is characterised in that：The housing middle-end is provided with dynamic
Power source and the first transmission mechanism of the power source drive（111）, the housing both ends are equipped with transmission case（1）, it is each described
Transmission case outer face is equipped with output panel（19）, first transmission mechanism pass through the second transmission mechanism drive the 3rd transmission mechanism
（3333）Action, the 3rd transmission mechanism（3333）For driving the output panel（19）Rotate output,
3rd transmission mechanism includes the first eccentric shaft（261）With the second eccentric shaft（262）,
Second transmission mechanism includes driving the connecting shaft rotated by the first transmission mechanism（23）, the connecting shaft passes through transmission
Gear（24）Respectively with two eccentric axis connections；
First eccentric shaft（261）With the second eccentric shaft（262）It is coaxially disposed and gap is provided between its opposite face（263）.
A kind of 2. coaxial two-direction output positioning gear according to claim 1, it is characterised in that：3rd transmission
Mechanism also includes also including curve wheel（28）, needle roller（17）, bearing pin（18）And ring gear（20）, the eccentric shaft（26）Pass through axle
Hold（27）With the curve wheel（28）Connection, the bearing pin（18）With the curve wheel（28）Connection, the bearing pin（18）Pass through
First screw（14）It is fixed on output panel（19）On, the curve wheel（28）With the ring gear（20）Between uniform some needle rollers
（17）, the curve wheel（28）Pass through needle roller（11）Drive output panel（19）Rotation output.
A kind of 3. coaxial two-direction output positioning gear according to claim 2, it is characterised in that：The power source is
Motor（9）, first transmission mechanism（1111）Including intermeshing worm gear（5）And worm screw（8）, the worm screw（8）Pass through
Shaft coupling（12）With motor（9）Connection, the worm gear（5）It is set in the connecting shaft（23）Upper synchronous rotation.
A kind of 4. coaxial two-direction output positioning gear according to claim 3, it is characterised in that：The travelling gear
（24）Including little gear（21）And gear wheel（22）, the travelling gear（24）It is set on first eccentric shaft, it is described small
Gear（21）It is set on the power transmission shaft.
A kind of 5. coaxial two-direction output positioning gear according to claim 4, it is characterised in that：The motor（9）
It is fixed on transmission case（1）On.
A kind of 6. coaxial two-direction output positioning gear according to claim 5, it is characterised in that：The ring gear
（20）Pass through the second screw（6）It is fixed on transmission case（1）On.
A kind of 7. coaxial two-direction output positioning gear according to claim 6, it is characterised in that：The connecting shaft
（23）Pass through bearing（27）It is fixed on transmission case（1）On.
A kind of 8. coaxial two-direction output positioning gear according to claim 7, it is characterised in that：The needle roller（17）
Both sides are correspondingly provided with back-up ring.
A kind of 9. coaxial two-direction output positioning gear according to claim 8, it is characterised in that：The bearing pin（18）
It is fixed by screws in platen（25）On.
A kind of 10. coaxial two-direction output positioning gear according to claim 1, it is characterised in that：The transmission case
（1）Peep hole provided with assembling maintenance（281）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720708967.4U CN207034093U (en) | 2017-06-19 | 2017-06-19 | A kind of coaxial two-direction exports positioning gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720708967.4U CN207034093U (en) | 2017-06-19 | 2017-06-19 | A kind of coaxial two-direction exports positioning gear |
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| Publication Number | Publication Date |
|---|---|
| CN207034093U true CN207034093U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720708967.4U Active CN207034093U (en) | 2017-06-19 | 2017-06-19 | A kind of coaxial two-direction exports positioning gear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202099A (en) * | 2017-06-19 | 2017-09-26 | 恒丰泰精密机械股份有限公司 | A kind of coaxial two-direction exports positioning gear |
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2017
- 2017-06-19 CN CN201720708967.4U patent/CN207034093U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202099A (en) * | 2017-06-19 | 2017-09-26 | 恒丰泰精密机械股份有限公司 | A kind of coaxial two-direction exports positioning gear |
| CN107202099B (en) * | 2017-06-19 | 2024-03-26 | 恒丰泰精密机械股份有限公司 | Coaxial bidirectional output positioning transmission device |
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