CN206495945U - Reductor - Google Patents
Reductor Download PDFInfo
- Publication number
- CN206495945U CN206495945U CN201720083684.5U CN201720083684U CN206495945U CN 206495945 U CN206495945 U CN 206495945U CN 201720083684 U CN201720083684 U CN 201720083684U CN 206495945 U CN206495945 U CN 206495945U
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- China
- Prior art keywords
- bearing
- input shaft
- rotation
- internal tooth
- coaxial
- Prior art date
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Abstract
The reductor of the utility model embodiment three, axis of rotation and eccentric input shaft of the geometry axle center not on same center line are installed by bearing on rear bearing block, output shaft is installed by bearing on front-end bearing pedestal, input shaft leading portion with the coaxial bearing in geometry axle center by installing external gear, external gear is engaged by external tooth with the internal tooth of internal tooth casing, external gear is inserted in the driving hole on output shaft rear end by trundle, and internal tooth casing rear and front end is fixedly connected and coaxial with the axis of rotation of input shaft by screw with front-end bearing pedestal, rear bearing block；Number of parts is few, compact conformation, lightweight, and manufacturing process is simple；Speed reducing ratio region is wide, and double reduction is not required to increase number of parts, only need to change part shape, the angle of engagement is big, and small with noise, temperature rise is low, vibrates small, without play of creeping, operates steadily, overload capacity is strong, has a wide range of application.
Description
Technical field
The utility model is related to a kind of for the mechanically operated deceleration such as the transmission of standard machinery, precision instrument, manipulator
Machine.
Background technology
Standard machinery transmission, precision instrument precision mechanical transmission, the machine driving of mechanical arm etc. typically pass through reductor
Enter action edge transmission to adjust with speed, traditional reductor includes Knucle-gear reductor, worm-gear speed reducer, cycloidal-pin wheel and slowed down
, there is gear ratio adjustment difficulty in machine, NGW planet-gear speed reducers etc., number of parts is more, and mechanism is complicated, and efficiency is low, overloads energy
Power is poor, and operation stability is bad, and manufacturing cost is high, and vibrating noise is big, the defect such as temperature rise height.
The content of the invention
Technical problem to be solved in the utility model, which is to provide a kind of gear ratio, flexibly to be changed, and number of parts is few,
Manufacture is easy to process, and can coaxially export, and noise is small, the reductor of good operation stability.
Input is provided with by bearing on reductor of the present utility model, including front-end bearing pedestal, rear bearing block, rear bearing block
Output shaft is provided with by bearing on axle, front-end bearing pedestal, it is characterised in that：Input shaft is for axis of rotation with geometry axle center not same
Eccentric shaft on one center line, input shaft back segment is arranged on the rear bearing block coaxial with input shaft axis of rotation by bearing,
Leading portion has external tooth by installing to be connected with output external gear, external gear excircle with the coaxial bearing in geometry axle center, external tooth
Wheel is engaged by external tooth with the internal tooth of internal tooth casing；Internal tooth casing rear and front end is fixed by screw and front-end bearing pedestal, rear bearing block to be connected
Connect and coaxial with the axis of rotation of input shaft；The output shaft coaxial with input shaft axis of rotation is provided with front of input shaft, is exported
Axle is arranged on front-end bearing pedestal and can rotated on front-end bearing pedestal；External gear is provided with the trundle for protruding from end face, external gear
Inserted by trundle in the driving hole on output shaft rear end, the diameter of driving hole is more than trundle diameter, and is revolved with external gear
The hunting range of trundle is adapted during turning；
Further, input shaft front end is connected by shaft hole matching with output shaft back segment and propped up mutually by bearing fit
Support；
The utility model further relates to by bearing pacify on a kind of reductor, including front-end bearing pedestal, rear bearing block, rear bearing block
Equipped with input shaft, output shaft is provided with by bearing on front-end bearing pedestal, it is characterised in that：Input shaft is axis of rotation and geometrical axis
External gear is provided with the eccentric shaft of the heart not on same center line, the geometry excircle of input shaft, external gear is divided into front and rear two
Section, the external tooth of back segment is engaged with the internal tooth of internal tooth casing, and the external tooth of leading portion is engaged with the internal tooth on output shaft back segment；Internal tooth casing it is interior
The axis of rotation of tooth and internal tooth casing and input shaft is coaxial, and the axis of rotation of the internal tooth and output shaft of output shaft also with input shaft is same
Axle；
Internal tooth casing is fixedly connected between front-end bearing pedestal, rear bearing block；
Further, input shaft, output shaft are connected by the bearing fit coaxial with input shaft axis of rotation；
Yet further, input shaft, be provided with the through hole coaxial with axis of rotation in output shaft；
The utility model further relates to be provided with input by bearing on a kind of reductor, including rear bearing block, rear bearing block
Axle, it is characterised in that：Input shaft is axis of rotation and the eccentric shaft of geometry axle center not on same center line；Input shaft by with
The coaxial bearing of axis of rotation is arranged on rear bearing block, the geometry excircle of input shaft be provided with geometry axle center it is coaxial outside
Gear；Spacer pin is installed with rear bearing block, spacer pin is through in the spacing hole on external gear, spacing bore dia is more than limit
Position pin diameter, and be adapted with external gear hunting range；The external tooth of external gear is meshed with the internal tooth of internal tooth casing, and internal tooth casing passes through
Bearing is arranged on fixed mounting, and the axis of rotation of bearing and input shaft is coaxial；
Further, input shaft front end is spacing also by being arranged on the coaxial fore bearing of axis of rotation on front-end bearing pedestal
Pin front end is also fixedly connected with front-end bearing pedestal；
Yet further, internal tooth casing inwall is also fixedly connected with front-end bearing pedestal.
Reductor of the present utility model, input shaft is co-axially mounted with output shaft, and power transmission can be exported coaxially, gear ratio
It can flexibly change, number of parts is few, manufacture easy to process, noise is small, good operation stability.
Brief description of the drawings
Fig. 1 is the reductor cross-sectional view of the utility model embodiment one；
Fig. 2~Fig. 3 is the reductor cross-sectional view of the utility model embodiment two；
Fig. 4 is the reductor cross-sectional view of the utility model embodiment three.
Embodiment
As illustrated, the reductor of the utility model embodiment one, including front-end bearing pedestal 5, rear bearing block 2, rear bearing block 2
Upper be provided with by bearing on input shaft 1, front-end bearing pedestal 5 installs output shaft 6 by bearing, input shaft 1 for axis of rotation with it is several
What eccentric shaft of axle center not on same center line, the back segment of input shaft 1 is arranged on coaxial with input shaft axis of rotation by bearing
Rear bearing block 2 on, leading portion is connected with output external gear 3, the excircle of external gear 3 by being installed with the coaxial bearing in geometry axle center
Upper to have external tooth, external gear 3 is engaged by external tooth with the internal tooth of internal tooth casing 4；The rear and front end of internal tooth casing 4 passes through screw and fore bearing
Seat 5, rear bearing block 2 are fixedly connected and coaxial with the axis of rotation of input shaft 1；The front of input shaft 1 is provided with to rotate with input shaft 1
The coaxial output shaft 6 in axle center, output shaft 6 is arranged on front-end bearing pedestal 5 and can rotated on front-end bearing pedestal 5；External gear 3 is provided with
The trundle 11 of end face is protruded from, external gear 3 is inserted in the driving hole on the rear end of output shaft 6 by trundle 11, driving hole
Diameter is more than the diameter of trundle 11, and is adapted with the hunting range of trundle 11 in the rotary course of external gear 3.
Further, the front end of input shaft 1 is connected by shaft hole matching with the back segment of output shaft 6 and propped up mutually by bearing fit
Support.
The back segment of input shaft 1 is installed by bearing 7 and is supported in rear bearing block 2, and leading portion is installed by bearing 9 and is supported in output shaft 6
Portion, external gear 3 is installed by bearing 8 and is supported on input shaft 1, and the center of external gear 3 and the geometric center lines of input shaft 1 are coaxial,
The axis of rotation of input shaft 1 and geometry axle center are misaligned, constitute eccentric shaft structure so that external gear 3 is constituted partially on input shaft 1
Heart wheel construction；The internal tooth of the external tooth of external gear 3 and internal tooth casing 4 intermeshes；Output shaft 6 is installed by bearing 10 and is supported in fore bearing
On seat 5；The two ends of internal tooth casing 4 are fixedly connected simultaneously by screw with front-end bearing pedestal 5, rear bearing block 2；
Input shaft 1 rotate when the equidirectional rotation together of the inner ring with dynamic bearing 8, the big side of the radius of turn of external gear 3 and
Internal tooth casing 4 is engaged, and often rotate to an angle drive external gear 3 and the internal tooth casing 4 of input shaft 1 rotates and engaged once, external gear 3 with
The angle of reverse one tooth of rotation in the direction of rotation of input shaft 1；External gear 3 drives output shaft 6 to rotate by trundle 11, so that
To slowing effect.
Pass through axle on the reductor of the utility model embodiment two, including front-end bearing pedestal 5, rear bearing block 2, rear bearing block 2
Hold and input shaft 1 is installed, output shaft 6 is provided with by bearing on front-end bearing pedestal 5, input shaft 1 is axis of rotation and geometry axle center
External gear 3 is provided with the not eccentric shaft on same center line, the geometry excircle of input shaft 1,3 points of external gear is front and rear two
Section, the external tooth of back segment is engaged with the internal tooth of internal tooth casing 4, and the external tooth of leading portion is engaged with the internal tooth on the back segment of output shaft 6；Internal tooth casing 4
Internal tooth and internal tooth casing 4 and input shaft 1 axis of rotation it is coaxial, the rotation of the internal tooth and output shaft 6 of output shaft 6 also with input shaft 1
The rotating shaft heart is coaxial；Internal tooth casing 4 is fixedly connected between front-end bearing pedestal 5, rear bearing block 2.
Further, input shaft 1, output shaft 6 are connected by the bearing fit coaxial with the axis of rotation of input shaft 1.
Yet further, input shaft 1, be provided with the through hole coaxial with the axis of rotation of input shaft 1 in output shaft 6.
Input shaft 1 is respectively mounted by bearing 7, bearing 9 is supported in rear bearing block 2, on output shaft 6, and external gear 3 is by bearing 8
Installation is supported on input shaft 1, and the center of external gear 3 and the geometric center lines of input shaft 1 are coaxial, the axis of rotation of input shaft 1
It is misaligned with geometry axle center, constitute eccentric shaft structure so that external gear 3 constitutes eccentric wheel structure on input shaft 1；External gear 3
It is divided into front and rear two sections, the external tooth of back segment is engaged with the internal tooth of internal tooth casing 4, external tooth and the internal tooth on the back segment of output shaft 6 of leading portion are nibbled
Close；Output shaft 6 is installed by bearing 10 and is supported on front-end bearing pedestal 5；The two ends of internal tooth casing 4 pass through screw and front-end bearing pedestal 5, rear bearing
Seat 2 is fixedly connected simultaneously；
External gear 3 is driven to rotate by bearing 8 when input shaft 1 rotates, external tooth and output shaft 6 that external gear 3 passes through leading portion
The internal tooth engagement of back segment drives output shaft 6 to rotate, and is engaged by the external tooth of the back segment of external gear 3 with the internal tooth of internal tooth casing 4, input shaft
1 often rotate to an angle drive external gear 3 and internal tooth casing 4, output shaft 6 rotates and engaged once, and external gear 3 with input shaft 1 to revolve
Turn the angle of reverse one tooth of rotation in direction；It is defeated that external gear 3 engages drive with the internal tooth of the back segment of output shaft 6 by the external tooth of leading portion
Shaft 6 rotates, so as to obtain slowing effect.
It is provided with the reductor of the utility model embodiment three, including rear bearing block 2, rear bearing block 2 by bearing defeated
It is axis of rotation and the eccentric shaft of geometry axle center not on same center line to enter the input shaft 1 of axle 1,1；Input shaft 1 by with rotation
The coaxial bearing in axle center is arranged on rear bearing block 2, and the geometry excircle of input shaft 1 is provided with the external tooth coaxial with geometry axle center
Wheel 3；Spacer pin 12 is installed with rear bearing block 2, spacer pin 12 is through in the spacing hole on external gear 3, spacing bore dia
It is adapted more than the diameter of spacer pin 12, and with the hunting range of external gear 3；The internal tooth of the external tooth of external gear 3 and internal tooth casing 4 is mutually nibbled
Close, internal tooth casing 4 is arranged on fixed mounting by bearing, and the axis of rotation of bearing and input shaft 1 is coaxial；
Further, the front end of input shaft 1 with the coaxial fore bearing of axis of rotation also by being arranged on front-end bearing pedestal 5, limit
The position front end of pin 12 is also fixedly connected with front-end bearing pedestal 5；
Yet further, the inwall of internal tooth casing 4 is also connected with front-end bearing pedestal 5 by bearings, the rotation of bearing and input shaft 1
The rotating shaft heart is coaxial.
External gear 3 is driven to revolve round the sun by bearing 8 when input shaft 1 rotates, external gear 3 passes through external tooth and the internal tooth of internal tooth casing 4
Engagement, often rotate to an angle drive external gear 3 and the internal tooth casing 4 of input shaft 1 rotates and engaged once, external gear 3 with input shaft 1
The angle of reverse one tooth of rotation in direction of rotation, slowing effect is transmitted by internal tooth casing 4.
The reductor of the utility model embodiment three, number of parts is few, and compact conformation is lightweight, manufacturing process letter
It is single；Speed reducing ratio region is wide, and speed reducing ratio scope can reach 1/7.5~1/32220, is available for user arbitrarily to select fast ratio；Complete machine is needed
Precision-machined parts quantity is only 6 parts, and other use standard component；Standard component is specially 2 sealing rings, 6 bearings, 8
Screw, 6 pins；The part that need to be processed is specially：Input shaft 1, rear bearing block 2, external gear 3, internal tooth casing 4, front-end bearing pedestal 5,
Output shaft 6；Primary speed-down is than scope：1/7.5~1/180, at interval of 0.25 one-level, it is available for any selection；Double reduction ratio
Scope is：1/58~1/32220, at interval of 0.5---3 one-levels, it is available for any selection；Double reduction is not required to increase number of parts,
Only need to change part shape.
The reductor of the utility model embodiment three can match somebody with somebody with alternating current generator, direct current generator, synchronous motor, servomotor
Set is used；And number of parts is few, internal gear is internal messing with external gear, and the angle of engagement is big, and small with noise, temperature rise is low, and vibration is small,
Without creeping play, operate steadily, overload capacity is strong, the advantages of shaft efficiency high；The transmission of standard machinery can be applied to, it is accurate
Instrument precision machine driving, the machine driving of mechanical arm, strong applicability；Input shaft is co-axially mounted with output shaft, stability
It is good；Pto input shaft can be made into hollow type, be easy to power line, signal wire to pass through, it is adaptable to radar transmission, robot row
Walk transmission, supporting AGV the is unattended occasion such as load wagon；Design parameter can also be changed, it is adaptable to profile according to user's needs
Diameter dimension is also applied for profile diameter size from tens millimeters to number from several millimeters to the micro-reducer of tens millimeters of scopes
Hundred millimeters of medium-sized reductor, large-scale reductor, have a wide range of application.
Claims (9)
1. a kind of reductor, including front-end bearing pedestal（5）, rear bearing block（2）, rear bearing block（2）It is upper that input is provided with by bearing
Axle（1）, front-end bearing pedestal（5）It is upper that output shaft is provided with by bearing（6）, it is characterised in that：The input shaft（1）For axis of rotation
With the eccentric shaft of geometry axle center not on same center line, input shaft（1）Back segment is arranged on and input shaft by bearing（1）Rotation
The coaxial rear bearing block in axle center（2）On, leading portion is connected with output external gear by being installed with the coaxial bearing in geometry axle center（3）,
External gear（3）There is external tooth, external gear on excircle（3）Pass through external tooth and internal tooth casing（4）Internal tooth engagement；Internal tooth casing（4）Before
Two ends pass through screw and front-end bearing pedestal afterwards（5）, rear bearing block（2）It is fixedly connected and and input shaft（1）Axis of rotation it is coaxial；It is defeated
Enter axle（1）Front is provided with and input shaft（1）The coaxial output shaft of axis of rotation（6）, output shaft（6）Installed in front-end bearing pedestal
（5）It is upper and can be in front-end bearing pedestal（5）Upper rotation；External gear（3）The trundle for protruding from end face is installed with front end face
（11）, trundle (11) insertion output shaft（6）In driving hole on rear end, the diameter of driving hole is more than trundle（11）Diameter,
And and external gear（3）Trundle in rotary course（11）Hunting range be adapted.
2. reductor according to claim 1, it is characterised in that：The input shaft（1）Front end and output shaft（6）Back segment leads to
Shaft hole matching is crossed to connect and support mutually by bearing fit.
3. a kind of reductor, including front-end bearing pedestal（5）, rear bearing block（2）, rear bearing block（2）It is upper that input is provided with by bearing
Axle（1）, front-end bearing pedestal（5）It is upper that output shaft is provided with by bearing（6）, it is characterised in that：The input shaft（1）For axis of rotation
With the eccentric shaft of geometry axle center not on same center line, input shaft（1）Geometry excircle on external tooth is connected with by bearing
Wheel（3）, external gear（3）It is divided into front and rear two sections, the external tooth and internal tooth casing of back segment（4）Internal tooth engagement, the external tooth of leading portion and output
Axle（6）Internal tooth engagement on back segment；Internal tooth casing（4）Internal tooth and internal tooth casing（4）With input shaft（1）Axis of rotation it is coaxial, it is defeated
Shaft（6）Internal tooth and output shaft（6）Also with input shaft（1）Axis of rotation it is coaxial.
4. reductor according to claim 3, it is characterised in that：Internal tooth casing（4）It is fixedly connected on front-end bearing pedestal（5）, after
Bearing block（2）Between.
5. reductor according to claim 3, it is characterised in that：The input shaft（1）, output shaft（6）By with input
Axle（1）The coaxial bearing fit connection of axis of rotation.
6. reductor according to claim 3, it is characterised in that：The input shaft（1）, output shaft（6）Inside be provided with
The coaxial through hole of axis of rotation.
7. a kind of reductor, including rear bearing block（2）, rear bearing block（2）It is upper that input shaft is provided with by bearing（1）, its feature
It is：The input shaft（1）For axis of rotation and the eccentric shaft of geometry axle center not on same center line, input shaft（1）Pass through
Rear bearing block is arranged on the coaxial bearing of axis of rotation（2）On, input shaft（1）Geometry excircle by bearing be connected with
The coaxial external gear in geometry axle center（3）；Rear bearing block（2）On be installed with spacer pin（12）, spacer pin（12）It is through external tooth
Wheel（3）On spacing hole in, spacing bore dia be more than spacer pin（12）Diameter, and and external gear（3）Hunting range is adapted；Outside
Gear（3）External tooth and internal tooth casing（4）Internal tooth be meshed, internal tooth casing（4）Rear bearing block is arranged on by bearing（2）On, axle
Hold and input shaft（1）Axis of rotation it is coaxial.
8. reductor according to claim 7, it is characterised in that：The input shaft（1）Front end also by with axis of rotation
Coaxial fore bearing is arranged on front-end bearing pedestal（5）On, spacer pin（12）Front end also with front-end bearing pedestal（5）It is fixedly connected.
9. reductor according to claim 7, it is characterised in that：The internal tooth casing（4）Inwall also with front-end bearing pedestal（5）It is logical
Cross bearings connection, bearing and input shaft（1）Axis of rotation it is coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083684.5U CN206495945U (en) | 2017-01-23 | 2017-01-23 | Reductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083684.5U CN206495945U (en) | 2017-01-23 | 2017-01-23 | Reductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206495945U true CN206495945U (en) | 2017-09-15 |
Family
ID=59803498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720083684.5U Expired - Fee Related CN206495945U (en) | 2017-01-23 | 2017-01-23 | Reductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206495945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307322A (en) * | 2019-05-24 | 2019-10-08 | 宁波中大力德智能传动股份有限公司 | A kind of harmonic drive reduction mechanism |
-
2017
- 2017-01-23 CN CN201720083684.5U patent/CN206495945U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307322A (en) * | 2019-05-24 | 2019-10-08 | 宁波中大力德智能传动股份有限公司 | A kind of harmonic drive reduction mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20200123 |