CN207229682U - The embedded cycloidal-pin gear speed reducer of pin gear sleeve - Google Patents
The embedded cycloidal-pin gear speed reducer of pin gear sleeve Download PDFInfo
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- CN207229682U CN207229682U CN201721279171.8U CN201721279171U CN207229682U CN 207229682 U CN207229682 U CN 207229682U CN 201721279171 U CN201721279171 U CN 201721279171U CN 207229682 U CN207229682 U CN 207229682U
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- pin
- cycloidal
- gear
- input shaft
- output shaft
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Abstract
The utility model discloses the embedded cycloidal-pin gear speed reducer of pin gear sleeve, including pin wheel housing, pin gear sleeve, gear pin, spacer ring, two Cycloidal Wheels, the capacity eccentric bearing equipped with biserial rolling element, input shaft, input flange, the output shaft on the left of input shaft, engine base；Left section of input shaft is in pin wheel housing, and right section in input flange；Two Cycloidal Wheels are located in pin wheel housing, and are placed on input shaft, there is spacer ring between two Cycloidal Wheels, and the inner ring of capacity eccentric bearing is fixed on left section of input shaft, and the rolling element of two eccentric ends of capacity eccentric bearing is contacted with two Cycloidal Wheel inner ring respectively；It is distributed along the circumference with pin gear sleeve in pin wheel housing, activity installation gear pin, the Cycloidal Wheel gear teeth are engaged with gear pin in pin gear sleeve；Output shaft is connected with two Cycloidal Wheels.The utility model is by improving stress and Frotteurism between gear pin and Cycloidal Wheel, and reduction gear reducer running temperature, improves transmission efficiency, while also ensure that the intensity of gear pin, retarder running balance, stabilization.
Description
Technical field
It the utility model is related to a kind of retarder, and in particular to the embedded cycloidal-pin gear speed reducer of pin gear sleeve, belongs to industry
With high-mechanic retarder technical field.
Background technology
In Cycloidal Wheel Gear Planet Transmission, in order to improve the stress between transmission efficiency, improvement pin tooth and Cycloidal Wheel and friction shape
State, can be realized by increasing the measures such as pin gear sleeve, however, in the case of big speed ratio, since the number of teeth is more, in use
After stating measure, cutter interference phenomenon is often produced at the top of Cycloidal Wheel, its result will make cusp occur at the top of Cycloid tooth profile, point
The presence of point will influence being normally carried out for transmission.
In order to solve the problems, such as cutter interference existing for above reducer with big speed ratio, generally changed by following several method
Kind flute profile：
1st, pin gear sleeve is removed, reduces the gear pin diameter in Cycloidal Wheel modeling parameters, eliminates the top point of cycloidal gear teeth.
2nd, using compound tooth-shaped, at Cycloidal Wheel tooth top by the use of another curve at the top of flank profil and root tooth curve light
Along connection.
3rd, the tooth form for having cusp is replaced using equivalent tooth form, avoids tooth top cusp.
By three of the above method come improve gear reducer all there are it is certain the defects of：
1st, the form of cycloidal gear tooth is changed by removing pin gear sleeve, although the cusp of tooth top can be removed, gear pin is straight
Connect and contacted with Cycloidal Wheel, gear pin can be caused to be rotated in the mounting hole of pin wheel housing, and be difficult to obtain sufficient lubrication herein, therefore
Frictional heat is easily produced, so as to reduce the operational efficiency of gear reducer.
2nd, using if compound tooth-shaped, the tooth curve of substitution curves and script can not possibly be completely tangent, will necessarily be because of
The point of both intersecting generation connection irregularities；It is also required in traditional generating processing by secondary roll flute, complex procedures,
Precision is difficult to be protected.
3rd, if using equivalent substitution tooth form, replacement tooth form, tooth profile parameter are calculated by every constraints
Complex, the versatility of Cycloidal Wheel processing is very restricted, and by calculating nor all reducer with big speed ratio
It can fit in this way.
In order to make up these defects, for this reason, it is proposed that the embedded cycloidal-pin gear speed reducer of pin gear sleeve.
The content of the invention
To solve the above problems, the utility model provide the embedded cycloidal-pin gear speed reducer of pin gear sleeve, improve pin tooth with
Stress and Frotteurism between Cycloidal Wheel, improve transmission efficiency, while also ensure that the intensity of gear pin, can effectively solve
The problem of in background technology.
To reach above-mentioned purpose, the utility model provides following technical solution：
The embedded cycloidal-pin gear speed reducer of pin gear sleeve, including pin wheel housing, pin gear sleeve, gear pin, spacer ring, two cycloids
Wheel, the capacity eccentric bearing equipped with biserial rolling element, input shaft, input flange, output shaft, engine base；
The engine base, pin wheel housing, input flange are sequentially distributed from left to right, and three is connected by stay bolt, input shaft
Left section is located in pin wheel housing, and right section of input shaft is located in input flange；
Two Cycloidal Wheels are located in pin wheel housing, and are placed on input shaft, are set between two Cycloidal Wheels coaxial with input shaft
Spacer ring, the inner ring of capacity eccentric bearing is fixed on left section of circumferential surface of input shaft, two bias of capacity eccentric bearing by key
Inner ring of the rolling element at end respectively with two Cycloidal Wheels is in contact；
One group of pin gear sleeve is distributed along the circumference with pin wheel housing, pin gear sleeve is interference fitted with pin wheel housing, in each pin gear sleeve
Activity installation gear pin respectively, the number of pin gear sleeve than Cycloidal Wheel tooth number more than one, the gear teeth of two Cycloidal Wheels respectively with
Gear pin is meshed；
Output shaft is coaxially disposed in the left side of input shaft, and output shaft bearing, output shaft are set between output shaft and engine base
Right end be connected with two Cycloidal Wheels, bearing of input shaft is equipped between input flange and input shaft.
Reel is equipped with the right end of output shaft, 8~12 axis pins, and right section of each axis pin are distributed along the circumference with reel
Clearance fit is in the pin hole in two Cycloidal Wheels respectively, and described two Cycloidal Wheels are by axis pin and output axis connection, in reel
Spring bearing is equipped between input shaft.
Pin sleeve is fixed with right section of the circumferential surface that axis pin is matched with pin hole.Mitigate mill of the axis pin to Cycloidal Wheel
Damage.
The beneficial effect that the utility model is reached is：
1st, the utility model directly does retarded motion by Cycloidal Wheel with engaging for gear pin, in the case of large speed ratio, it is easier to
Ensure that the tooth form of Cycloidal Wheel more smoothes out, while also can guarantee that gear pin has enough intensity to support the operation of retarder；
2nd, because the pin gear sleeve interference of this retarder is installed in the halving hole of pin wheel housing, gear pin is in smooth pin tooth
The rolling friction of smoothness is done in set endoporus, same gear pin and Cycloidal Wheel are also opposite rolling friction, it is ensured that each machine
Preferable lubricant effect between structure；
3rd, because being all smooth rolling friction between each mechanism, the extra hot merit of retarder generation can be greatly reduced
Rate, reduces gear reducer running temperature, improves retarder operation efficiency；
4th, retarder running balance, stabilization are caused using two Cycloidal Wheels.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structure diagram that Cycloidal Wheel coordinates with capacity eccentric bearing.
Fig. 3 is the structure diagram of capacity eccentric bearing.
In figure：1st, pin wheel housing；2nd, pin gear sleeve；3rd, gear pin；4th, spacer ring；5th, Cycloidal Wheel；5-1, pin hole；6th, eccentric shaft
Hold；6-1, rolling element；7th, input shaft；8th, bearing of input shaft；9th, input flange；10th, output shaft；10-1, reel；11st, output shaft
Bearing；12nd, engine base；13rd, axis pin；14th, stay bolt；15th, spring bearing；16th, pin sleeve.
Embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it will be appreciated that described herein excellent
Select embodiment to be only used for describing and explaining the present invention, be not used to limit the utility model.
Embodiment：Referring to Fig. 1, Fig. 2, Fig. 3, the utility model proposes the embedded cycloidal-pin gear speed reducer of pin gear sleeve, including
Pin wheel housing 1, pin gear sleeve 2, gear pin 3,4, two Cycloidal Wheels 5 of spacer ring, the capacity eccentric bearing 6 equipped with biserial rolling element 6-1, input
Axis 7, input flange 9, output shaft 10, engine base 12；
The engine base 12, pin wheel housing 1, input flange 9 are sequentially distributed from left to right, and three is connected by stay bolt 14, defeated
Enter axis 7 left section is located in pin wheel housing 1, and right section of input shaft 7 is located in input flange 9；
Two Cycloidal Wheels 5 are located in pin wheel housing 1, and are placed on input shaft 7, are set and input shaft 7 between two Cycloidal Wheels 5
Coaxial spacer ring 4, the inner ring of capacity eccentric bearing 6 are fixed on left section of circumferential surface of input shaft 7 by key, capacity eccentric bearing 6
Inner ring of the rolling element 6-1 of two eccentric ends respectively with two Cycloidal Wheels 5 is in contact；
One group of pin gear sleeve 2 is distributed along the circumference with pin wheel housing 1, pin gear sleeve 2 is interference fitted with pin wheel housing 1, in each pin tooth
Activity installation gear pins 3 respectively in set 2, the number of pin gear sleeve 2 than Cycloidal Wheel 5 tooth number more than one, the wheel of two Cycloidal Wheels 5
Tooth is meshed with gear pin 3 respectively；
Output shaft 10 is coaxially disposed in the left side of input shaft 7, and output shaft bearing is set between output shaft 10 and engine base 12
11, the right end of output shaft 10 is connected with two Cycloidal Wheels 5, and bearing of input shaft 8 is equipped between input flange 9 and input shaft 7.
Reel 10-1 is equipped with the right end of output shaft 10,8~12 axis pins 13 are distributed along the circumference with reel 10-1, and
For right section of difference clearance fit of each axis pin 13 in the pin hole 5-1 in two Cycloidal Wheels 5, described two Cycloidal Wheels 5 pass through axis pin
13 are connected with output shaft 10, and spring bearing 15 is equipped between reel 10-1 and input shaft 7.
Pin sleeve 16 is fixed with right section of the circumferential surface that axis pin 13 is matched with pin hole 5-1.
During utility model works, input shaft 7, which rotates, drives capacity eccentric bearing 6 to rotate, two eccentric ends of capacity eccentric bearing 6
Rolling element 6-1 drives two Cycloidal Wheels 5 to rotate by rolling friction respectively, and Cycloidal Wheel 5 is meshed with gear pin 3, the two is also
Opposite rolling friction, two Cycloidal Wheels 5 rotate drives output shaft 10 to rotate by axis pin 13.The utility model is directly by putting
Line wheel 5 does retarded motion with engaging for gear pin 3, in the case of large speed ratio, it is easier to ensure that and the tooth form of Cycloidal Wheel 5 more smoothes out,
It also can guarantee that gear pin 3 has enough intensity to support the operation of retarder at the same time；Because 2 interference of the pin gear sleeve peace of this retarder
In the halving hole of pin wheel housing 1, gear pin 3 does the rolling friction of smoothness, same pin tooth in smooth 2 endoporus of pin gear sleeve
Pin 3 is also opposite rolling friction with Cycloidal Wheel 5, it is ensured that preferable lubricant effect between each mechanism；Two cycloids are set
Wheel 5 can ensure the balance of retarder operating, because being all smooth rolling friction between each mechanism, can greatly reduce deceleration
The extra thermal power that device produces, reduces gear reducer running temperature, improves retarder operation efficiency.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on, should be included in this practicality
Within new protection domain.
Claims (3)
1. the embedded cycloidal-pin gear speed reducer of pin gear sleeve, it is characterised in that including pin wheel housing（1）, pin gear sleeve（2）, gear pin
（3）, spacer ring（4）, two Cycloidal Wheels（5）, equipped with biserial rolling element（6-1）Capacity eccentric bearing（6）, input shaft（7）, input method
It is blue（9）, output shaft（10）, engine base（12）；The engine base（12）, pin wheel housing（1）, input flange（9）It is sequentially distributed from left to right,
Three passes through stay bolt（14）Connection, input shaft（7）Left section be located at pin wheel housing（1）It is interior, input shaft（7）Right section positioned at input
Flange（9）It is interior；Two Cycloidal Wheels（5）Positioned at pin wheel housing（1）It is interior, and it is placed on input shaft（7）, in two Cycloidal Wheels（5）Between set
Put and input shaft（7）Coaxial spacer ring（4）, capacity eccentric bearing（6）Inner ring input shaft is fixed on by key（7）Left section of circle
Perimeter surface, capacity eccentric bearing（6）Two eccentric ends rolling element（6-1）Respectively with two Cycloidal Wheels（5）Inner ring be in contact；
Pin wheel housing（1）Inside it is distributed along the circumference with one group of pin gear sleeve（2）, pin gear sleeve（2）With pin wheel housing（1）Interference fit, in each pin gear sleeve
（2）The interior installation gear pin of activity respectively（3）, pin gear sleeve（2）Number compare Cycloidal Wheel（5）More one of tooth number, two cycloids
Wheel（5）The gear teeth respectively with gear pin（3）It is meshed；Output shaft（10）It is coaxially disposed in input shaft（7）Left side, in output shaft
（10）With engine base（12）Between output shaft bearing is set（11）, output shaft（10）Right end and two Cycloidal Wheels（5）Connection, defeated
Enter flange（9）With input shaft（7）Between be equipped with bearing of input shaft（8）.
2. the embedded cycloidal-pin gear speed reducer of pin gear sleeve according to claim 1, it is characterised in that in output shaft（10）'s
Right end is equipped with reel（10-1）, in reel（10-1）On be distributed along the circumference with 8~12 axis pins（13）, and each axis pin（13）The right side
Section difference clearance fit is in two Cycloidal Wheels（5）On pin hole（5-1）It is interior, described two Cycloidal Wheels（5）Pass through axis pin（13）With
Output shaft（10）Connection, in reel（10-1）With input shaft（7）Between be equipped with spring bearing（15）.
3. the embedded cycloidal-pin gear speed reducer of pin gear sleeve according to claim 2, it is characterised in that in axis pin（13）Coordinate
In pin hole（5-1）Right section interior of circumferential surface is fixed with pin sleeve（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721279171.8U CN207229682U (en) | 2017-09-30 | 2017-09-30 | The embedded cycloidal-pin gear speed reducer of pin gear sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721279171.8U CN207229682U (en) | 2017-09-30 | 2017-09-30 | The embedded cycloidal-pin gear speed reducer of pin gear sleeve |
Publications (1)
| Publication Number | Publication Date |
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| CN207229682U true CN207229682U (en) | 2018-04-13 |
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| CN201721279171.8U Active CN207229682U (en) | 2017-09-30 | 2017-09-30 | The embedded cycloidal-pin gear speed reducer of pin gear sleeve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843746A (en) * | 2018-08-15 | 2018-11-20 | 深圳市荣德机器人科技有限公司 | A kind of precision speed reduction device for robot |
| CN108895125A (en) * | 2018-09-25 | 2018-11-27 | 山东帅克机械制造股份有限公司 | The hollow high-accuracy reducer arrangement of integration |
| CN110230665A (en) * | 2019-05-31 | 2019-09-13 | 温州市日康烟具厂 | Bearing-type Hypocycloid pinwheel retarder |
| CN110285198A (en) * | 2019-07-23 | 2019-09-27 | 温州市日康烟具厂 | A kind of cycloid reducer |
| CN111664227A (en) * | 2020-06-10 | 2020-09-15 | 重庆市倚斯轮科技有限公司 | Pure rolling long-life precision speed reducer |
| CN111853167A (en) * | 2020-08-17 | 2020-10-30 | 重庆大学 | Movable pin type cycloidal speed reducer |
-
2017
- 2017-09-30 CN CN201721279171.8U patent/CN207229682U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843746A (en) * | 2018-08-15 | 2018-11-20 | 深圳市荣德机器人科技有限公司 | A kind of precision speed reduction device for robot |
| CN108843746B (en) * | 2018-08-15 | 2023-12-01 | 深圳市荣德机器人科技有限公司 | Precise speed reducer for robot |
| CN108895125A (en) * | 2018-09-25 | 2018-11-27 | 山东帅克机械制造股份有限公司 | The hollow high-accuracy reducer arrangement of integration |
| CN110230665A (en) * | 2019-05-31 | 2019-09-13 | 温州市日康烟具厂 | Bearing-type Hypocycloid pinwheel retarder |
| CN110285198A (en) * | 2019-07-23 | 2019-09-27 | 温州市日康烟具厂 | A kind of cycloid reducer |
| CN111664227A (en) * | 2020-06-10 | 2020-09-15 | 重庆市倚斯轮科技有限公司 | Pure rolling long-life precision speed reducer |
| CN111664227B (en) * | 2020-06-10 | 2023-04-28 | 重庆市倚斯轮科技有限公司 | Pure rolling long-life precision speed reducer |
| CN111853167A (en) * | 2020-08-17 | 2020-10-30 | 重庆大学 | Movable pin type cycloidal speed reducer |
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