CN208169441U - A kind of planetary reducer - Google Patents
A kind of planetary reducer Download PDFInfo
- Publication number
- CN208169441U CN208169441U CN201721924527.9U CN201721924527U CN208169441U CN 208169441 U CN208169441 U CN 208169441U CN 201721924527 U CN201721924527 U CN 201721924527U CN 208169441 U CN208169441 U CN 208169441U
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- Prior art keywords
- shaft
- cabinet
- oil seal
- outside framework
- transmission
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- Expired - Fee Related
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- Retarders (AREA)
Abstract
The utility model discloses a kind of planetary reducers, it is related to retarding device, for solving the problems, such as that cylinder gear speed reducer transmission efficiency is low, including the first cabinet being connected to the motor, first case intracorporal input shaft is rotationally connected with by transmission component, the second cabinet being fixed on the first cabinet, it is rotationally connected with second case intracorporal output shaft, transmission component includes the driving gear being fixed on output shaft, it is rotationally connected with first case intracorporal transmission shaft, the driven gear for being rotationally connected on the rotating disc of transmission shaft and being engaged with driving gear, it is linked between transmission shaft and output shaft by shaft coupling, and input shaft, the pivot center of transmission shaft and output shaft is located on the same line；The utility model has the following advantages that and effect：The transmission mechanism of planetary gear train has many advantages, such as that stable drive, transmission shaft radial deflection are small and concentricity is high, can reduce the radial loss of power during retarder moves, to achieve the purpose that improve transmission efficiency.
Description
Technical field
The utility model relates to retarding device, in particular to a kind of planetary reducer.
Background technique
Retarder is a kind of power transfer mechanism, and it is (usually electric mainly to change input mechanism using the transmission ratio of gear
Machine) and output mechanism between speed, and output torque is improved while reduction of speed, so that small machine can also drive greatly
Mechanical action, therefore it is widely used in the industries such as metallurgy, coal, building, ship, water conservancy.
Currently, Authorization Notice No. is CN204664306U, the Chinese utility model that authorized announcement date is 2015.09.23 is public
A kind of vertical shaft type Two Grade Column Gear Reducer is opened, including cabinet, cabinet upper surface are equipped with case lid, are plugged with actively in cabinet
Gear, reducer output shaft and intermediate gear shaft, driving gear shaft lower end is equipped with driving gear, on the reducer output shaft
End is equipped with gear wheel, and intermediate gear shaft is equipped with intermediate gear and pinion gear, and intermediate gear engages with gear wheel, pinion gear and
Driving gear engagement, the cabinet lower end surface are equipped with gland and oil tight skeleton for sealing cabinet lower end.
Cylinder gear speed reducer as described above, when use outside power mechanism driving driving gear shaft rotation, actively
Gear shaft passes through driving gear in the course of rotation and the engagement of pinion gear drives intermediate gear shaft rotation, and intermediate gear shaft is again
Reducer output shaft rotation is driven by the engagement of intermediate gear and gear wheel, to impart power to executing agency, still
Multiple intermediate gear shafts are separated between the driving gear shaft and reducer output shaft of this roller gear, so that this retarder is each
Do not have concentricity between gear shaft, unstable, to have transmission efficiency low problem is driven during transmission.
Utility model content
The purpose of the utility model is to provide a kind of planetary reducer, can make to have between input shaft and output shaft
Preferable concentricity, so that the transmission between input shaft and output shaft is more steady, it is not easy to impact loss occur, to reach
Improve the purpose of transmission efficiency.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of planetary gear speed-reduction
Device, including be connected to the motor by connection end cap the first cabinet, be rotationally connected with by transmission component in the first cabinet and with
The input shaft of the shaft linkage of motor, the second cabinet being fixed on first cabinet are rotationally connected with by second bearing
The output shaft to be linked in second cabinet and between input shaft by the transmission component, the transmission component include fixing
In on output shaft driving gear, on the rotating disc that is rotationally connected with first case intracorporal transmission shaft, is rotationally connected with transmission shaft
And the driven gear engaged with driving gear, it is linked between the transmission shaft and output shaft by shaft coupling, and the input shaft,
The pivot center of transmission shaft and output shaft is located on the same line.
By using above scheme, in use, rotation is passed to input shaft by the shaft of motor, in the mistake of input shaft rotation
Driving gear rotation is driven in journey, while driving driven gear rotation during driving gear rotation, makes driven gear
The movement around driving gear revolution is done, drives rotating disc and transmission shaft during driven gear revolves around driving gear
Rotation, transmission shaft drive output shaft rotation by shaft coupling again, and final output shaft imparts power to executing agency, at this time actively
Planetary gear train structure is formed between rotating disc on gear, driven gear and transmission shaft, planetary gear train compares column gear transmission
Have many advantages, such as that stable drive, concentricity are high, is not easy input shaft, transmission shaft or output shaft generation occur during transmission
The case where bending, reduces the kinetic equation loss that motor passes over, to achieve the purpose that improve transmission efficiency.
The utility model is further arranged to：The rotating disc of the transmission shaft opens up on the end face of input shaft side
Have for supplying the link slot into axis insertion, be embedded with first bearing in the link slot, the input shaft far from motor one
End is arranged in first bearing.
By using above scheme, link slot is used to install for first bearing, and first bearing can reduce rotating disc with
Frictional force between input shaft, so that input shaft energy during driving transmission shaft rotation by driving gear and driven gear
It enough reduces friction loss, to achieve the purpose that further increase transmission efficiency.
The utility model is further arranged to：Integrated setting has bearing step, the transmission in first cabinet
Be arranged on axis there are two self-aligning roller bearing, the load directions of two self-aligning roller bearings towards mutually back to side,
And the outer ring of two self-aligning roller bearings is contradicted respectively on the side wall of bearing step two sides.
By using above scheme, the roller in self-aligning roller bearing has certain angle relative to bearing axis inclination, makes
It obtains self-aligning roller bearing and is able to bear biggish axial force, be set as mutually carrying on the back by the load direction of two self-aligning roller bearings
To rear, so that transmission shaft is when bearing the effect of axial force, regardless of the direction of axial force is which side, the rolling of at least one aligning
Sub- bearing is able to bear this axial force, so that transmission shaft be made not allow to be also easy to produce axial dipole field.
The utility model is further arranged to：The shaft coupling includes the driving disc spacing pressing being fixed on transmission shaft and is fixed on
Driven disc on output shaft offers the first connecting hole on the driving disc spacing pressing, is offered on the driven disc for connecting with first
The second connecting hole for connecing hole cooperation, is fixed together between the driving disc spacing pressing and driven disc by screw bolt and nut.
By using above scheme, the second connecting hole on the first connecting hole and driven disc on driving disc spacing pressing can be for bolt
It passes through, and driving disc spacing pressing and driven disc is fixed together with the cooperation of nuts and bolt, transmission shaft and output shaft are joined
It is dynamic, so that the power of input shaft be enable to pass to output shaft.
The utility model is further arranged to：The driving disc spacing pressing offers positioning on the end face of driven disc side
Slot, the driven disc are fixed with locating piece on the end face of driving disc spacing pressing side, and the locating piece is embedded in the locating slot.
By using above scheme, the cooperation of locating piece and locating slot, which can limit, generates edge between driving disc spacing pressing and driven disc
The offset of transmission shaft in the radial direction makes the situation for being not easy to occur eccentric between driving disc spacing pressing and driven disc, and due to actively
Disk and driven disc are individually fixed on transmission shaft and output shaft, therefore locating piece and positioning disk can also limit transmission shaft and output
Eccentric dislocation is generated between axis, to achieve the purpose that improve concentricity between transmission shaft and output shaft.
The utility model is further arranged to：The both ends of first cabinet are separately installed with the first outside framework oil seal and
Two outside framework oil seals, the outer ring of first outside framework oil seal and inner ring contradict in connection end cap and input shaft respectively, and described second
The outer ring of outside framework oil seal and inner ring are contradicted respectively on the inner wall and transmission shaft of the first cabinet, and two self-aligning roller bearings,
One bearing, driving gear and driven gear are respectively positioned between first outside framework oil seal and the second outside framework oil seal.
By using above scheme, the rotor of motor needs to be kept in contact with the stator of motor, can just allow current in this way
The coil winding on rotor is enough passed to by stator, and in order to guarantee driving gear and driven gear rotation in the first cabinet
It is smooth, lubricating oil can be added in the first cabinet, these lubricating oil may be during input shaft rotates along input shaft
It flows into motor, lubricating oil can obstruct contact of the stator with rotor, cause rotor not receive electric current and generate failure, be arranged
After first outside framework oil seal and the second outside framework oil seal, the first outside framework oil seal can obstruct lubricating oil and flow into motor, and the second skeleton
Oil sealing can obstruct the first cabinet of outflow of lubrication oil, on the one hand can reduce the loss of lubricating oil, on the other hand can reduce electricity
The failure rate of machine.
The utility model is further arranged to：Third outside framework oil seal and the 4th skeleton oil are installed in second cabinet
Envelope, the outer ring and inner ring of the third outside framework oil seal and the 4th outside framework oil seal contradict inner wall and output shaft in the second cabinet respectively
On, and the second bearing is between third outside framework oil seal and the 4th outside framework oil seal.
By using above scheme, bearing is when in use in order to enable bearing to rotate more smooth, it will usually in axis
Interior addition lubricating oil is held, after installing third, the 4th outside framework oil seal in the second cabinet, since third, the 4th outside framework oil seal are distinguished
Positioned at the two sides of second bearing, therefore a relatively closed environment can be formed in the second cabinet, make in second bearing
Lubricating oil is not allowed to be easy to run off, to achieve the purpose that reduce more oil change frequency.
The utility model is further arranged to：Stop end is installed on the described one end of second cabinet far from the first cabinet
Lid, the stopper ring of the stop end cap are embedded in the second cabinet and inconsistent with the 4th outside framework oil seal.
By using above scheme, stop end cap can stop the 4th outside framework oil seal to drop out out of second cabinet, make the 4th
Outside framework oil seal can form relatively closed space in the two sides of second bearing together with third outside framework oil seal, to make the second axis
The lubricating oil held is not allowed to be also easy to produce loss.
In conclusion the utility model has the advantages that：
1. the transmission mechanism of planetary gear train has many advantages, such as that stable drive, transmission shaft radial deflection are small and concentricity is high, energy
Enough radial losses for reducing power during retarder movement, to achieve the purpose that improve transmission efficiency；
2. set in the load direction of the self-aligning roller bearing on transmission shaft to mutually back to rear, can drive bearing by
Stop transmission shaft axially biased when axial force, to make to not readily disengage from engagement between driving gear and driven gear；
3. the first cabinet and second case intracorporal each outside framework oil seal can stop the first cabinet and second case intracorporal profit
Lubricating oil outflow reduces the frequency of oil change, and the first, second outside framework oil seal can stop lubricating oil to flow into motor,
To make motor that failure to be less likely to occur.
Detailed description of the invention
Fig. 1 is the overall structure figure of the present embodiment；
Fig. 2 is the partial enlarged view being located at A in Fig. 1.
In figure：1, motor；11, connection end cap；111, oil seal groove；12, the first outside framework oil seal；13, the second oily outside framework oil seal；
2, the first cabinet；21, bearing step；3, input shaft；4, transmission component；41, driving gear；42, transmission shaft；421, rotating disc；
4211, link slot；4212, first bearing；422, self-aligning roller bearing；43, driven gear；431, rotation axis；5, the second cabinet；
6, output shaft；61, second bearing；7, shaft coupling；71, driving disc spacing pressing；711, the first connecting hole；712, locating slot；72, driven disc；
721, the second connecting hole；722, locating piece；8, third outside framework oil seal；9, the 4th outside framework oil seal；10, stop end cap；101, stop
Circle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of planetary reducer, including the first cabinet 2, input shaft 3, transmission component 4, the second cabinet
5, the first cabinet 2 is fixedly connected by connection end cap 11 with motor 1, the first cabinet 2 middle part and be located on inner wall around consolidating
Surely there is bearing step 21；Output shaft 6 be in ladder shaft-like, be fixed in the shaft of motor 1, and output shaft 6 far from motor 1 one
End is located in the first cabinet 2；The first outside framework oil seal 12 is arranged on output shaft 6, and 12 interference of the first outside framework oil seal is embedded at
In oil seal groove 111 in connection end cap 11, outside framework oil seal is the Typical Representative of oil sealing, and main function is will to need in transmission parts
The component of lubrication is isolated with external environment, and lubricating oil is made to be less likely to occur to leak, using very extensive in transmission mechanism.
Transmission component 4 includes driving gear 41, transmission shaft 42, driven gear 43, and driving gear 41 is fixed on input shaft 3
On；Transmission shaft 42 is in ladder shaft-like, and rotating disc 421 is fixed on one end of transmission shaft 42, in rotating disc 421 back to transmission shaft
Center on 42 1 side end faces offers link slot 4211, and interference is embedded with first bearing 4212 in link slot 4211, transmission
Axis 42 by two rotational installations of self-aligning roller bearing 422 in the first cabinet 2, divide by the outer ring of two self-aligning roller bearings 422
Not Di Chu in the two sides of bearing step 21, and the load direction of two self-aligning roller bearings 422 towards mutually back to side, from
And two aligning rollers is enabled to be respectively subjected to contrary axial force；After transmission shaft 42 is installed in the first cabinet 2,
Input shaft 3 is formed by annular space far from the inner ring that one end of motor 1 is embedded at first bearing 4212, to make input shaft
3 can produce relative rotation with rotating disc 421, and transmission shaft 42 and 431 line of rotation axis of input shaft 3 overlap at this time.
Driven gear 43 is rotationally connected on rotating disc 421 by rotation axis 431, and driven gear 43 and driving gear 41
Engagement linkage, forms planetary gear train between driving gear 41, driven gear 43 and rotating disc 421 at this time, so that 3 turns of input shaft
In dynamic process while driving driven gear 43 to rotate, driven gear 43 can be allowed to move in a circle around input shaft 3, from
Moving gear 43, which surrounds during input shaft 3 moves in a circle, drives rotating disc 421 to rotate, and turntable drives 42 turns of transmission shaft again
It is dynamic, so that can be realized deceleration linkage between input shaft 3 and transmission shaft 42；Second outside framework oil seal is installed on transmission shaft 42
13, the outer ring of the second outside framework oil seal 13 and inner ring are contradicted respectively on the inner wall of the first cabinet 2 and the side wall of transmission shaft 42, and this
When two self-aligning roller bearings 422, driving gear 41 and driven gear 43 be respectively positioned on the first outside framework oil seal 12 and the second skeleton oil
Between envelope 13.
As depicted in figs. 1 and 2, the second cabinet 5 connection is fixed on the first cabinet 2, and output shaft 6 is rotated by second gear
It is connected in the second cabinet 5, used shaft coupling 7 links between output shaft 6 and transmission shaft 42, and the rotation axis 431 of output shaft 6
431 line of rotation axis of line and transmission shaft 42 coincides；Shaft coupling 7 includes driving disc spacing pressing 71 and driven disc 72, and the vertical of driving disc spacing pressing 71 cuts
Face is in " T " shape, is fixed on the one end of transmission shaft 42 far from rotating disc 421, in driving disc spacing pressing 71 back to 421 side of rotating disc
End face on offer it is multiple around transmission shafts 42 be distributed the first connecting hole 711, on driving disc spacing pressing 71 and be located at it is multiple first connect
It connects the position among hole 711 and is also provided with locating slot 712；The cross sectional shape of driven disc 72 is identical as driving disc spacing pressing 71, is fixed on defeated
On shaft 6, multiple second for being distributed around output shaft 6 and being used to cooperate with the first connecting hole 711 are offered on driven disc 72
Connecting hole 721, the position also integration fixation on driven disc 72 and among multiple second connecting holes 721 are useful in insertion
The cooperation of locating piece 722 in locating slot 712, locating piece 722 and locating slot 712 can limit driving disc spacing pressing 71 and driven disc 72 produces
The raw movement mutually staggered, and be fixed together between driving disc spacing pressing 71 and driven disc 72 by screw bolt and nut.
Third outside framework oil seal 8 and the 4th are separately installed in the second cabinet 5 and positioned at the position of 61 two sides of second bearing
Outside framework oil seal 9, the outer ring and inner ring of third outside framework oil seal 8 and the 4th outside framework oil seal 9 contradict respectively the second cabinet 5 inner wall and
On the side wall of output shaft 6, stop end cap 10, stop end cap are then installed on the one end of the second cabinet 5 far from the first cabinet 2
10 stopper ring 101 is embedded in the opening of the second cabinet 5, and the stopper ring 101 of stop end cap 10 is contradicted in the 4th skeleton oil
Envelope 9 is back on the side wall of 61 side of second bearing.
Specific implementation process：When in use, rotation is passed to input shaft 3 to this retarder by the shaft of motor 1, is being inputted
Axis 3 drives driving gear 41 to rotate during rotating, and 43 rotation of driven gear is driven during driving gear 41 rotates
While, so that driven gear 43 is done the movement revolved around driving gear 41, revolves in driven gear 43 around driving gear 41
During drive rotating disc 421 and transmission shaft 42 to rotate, transmission shaft 42 drives output shaft 6 to rotate by shaft coupling 7 again, finally
Output shaft 6 imparts power to executing agency；Planetary reducer is compared with spur gear wheel, with stable drive, coaxially
The advantages that high is spent, so that driving gear 41 and driven gear 43 are more steady during engaged transmission, it is not easy to generate punching
Loss is hit, to achieve the purpose that improve transmission efficiency.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of planetary reducer, it is characterised in that：Including the first case being connected by connection end cap (11) with motor (1)
Body (2), be rotationally connected in the first cabinet (2) by transmission component (4) and with the input shaft (3) of the shaft of motor (1) linkage,
The second cabinet (5) for being fixed on first cabinet (2) is rotationally connected with second cabinet by second bearing (61)
(5) output shaft (6) to be linked in and between input shaft (3) by the transmission component (4), the transmission component (4) include
The driving gear (41) that is fixed on output shaft (6), the transmission shaft (42) being rotationally connected in the first cabinet (2), rotation connection
In on the rotating disc (421) of transmission shaft (42) and the driven gear (43) that is engaged with driving gear (41), the transmission shaft (42)
It is linked between output shaft (6) by shaft coupling (7), and the rotation of the input shaft (3), transmission shaft (42) and output shaft (6)
Axis (431) line is located on the same line.
2. a kind of planetary reducer according to claim 1, it is characterised in that：The rotating disc of the transmission shaft (42)
(421) link slot (4211) for being embedded in for input shaft (3), the company are offered on the end face of input shaft (3) side
It is embedded with first bearing (4212) in access slot (4211), the input shaft (3) is arranged in first bearing far from the one end of motor (1)
(4212) in.
3. a kind of planetary reducer according to claim 1, it is characterised in that：One in first cabinet (2)
Change is provided with bearing step (21), is arranged on the transmission shaft (42) there are two self-aligning roller bearing (422), two alignings
The load direction of roller bearing (422) towards mutually back to side, and the outer ring of two self-aligning roller bearings (422) point
It Di Chu not be on the side wall of bearing step (21) two sides.
4. a kind of planetary reducer according to claim 1, it is characterised in that：The shaft coupling (7) includes fixing
It is opened on the driving disc spacing pressing (71) on transmission shaft (42) and the driven disc (72) being fixed on output shaft (6), the driving disc spacing pressing (71)
Equipped with the first connecting hole (711), offered on the driven disc (72) for the first connecting hole (711) cooperates second connect
Hole (721) is fixed together between the driving disc spacing pressing (71) and driven disc (72) by screw bolt and nut.
5. a kind of planetary reducer according to claim 4, it is characterised in that：The driving disc spacing pressing (71) is close to driven
It is offered locating slot (712) on the end face of disk (72) side, the driven disc (72) is on the end face of driving disc spacing pressing (71) side
It is fixed with locating piece (722), the locating piece (722) is embedded in the locating slot (712).
6. a kind of planetary reducer according to claim 1, it is characterised in that：The both ends of first cabinet (2)
It is separately installed with the first outside framework oil seal (12) and the second outside framework oil seal (13), the outer ring of first outside framework oil seal (12) and inner ring
It is contradicted in connection end cap (11) and input shaft (3) respectively, the outer ring of second outside framework oil seal (13) and inner ring contradict respectively
On the inner wall and transmission shaft (42) of the first cabinet (2), and two self-aligning roller bearings (422), first bearing (4212), active
Gear (41) and driven gear (43) are respectively positioned between first outside framework oil seal (12) and the second outside framework oil seal (13).
7. a kind of planetary reducer according to claim 1, it is characterised in that：Installation in second cabinet (5)
There are third outside framework oil seal (8) and the 4th outside framework oil seal (9), the outer ring of the third outside framework oil seal (8) and the 4th outside framework oil seal (9)
It is contradicted respectively with inner ring on the inner wall and output shaft (6) of the second cabinet (5), and the second bearing (61) is located at third skeleton
Between oil sealing (8) and the 4th outside framework oil seal (9).
8. a kind of planetary reducer according to claim 1, it is characterised in that：Second cabinet (5) is far from the
It is equipped on one end of one cabinet (2) stop end cap (10), the stopper ring (101) of the stop end cap (10) is embedded at the second case
It is in body (5) and inconsistent with the 4th outside framework oil seal (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924527.9U CN208169441U (en) | 2017-12-30 | 2017-12-30 | A kind of planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924527.9U CN208169441U (en) | 2017-12-30 | 2017-12-30 | A kind of planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169441U true CN208169441U (en) | 2018-11-30 |
Family
ID=64386943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721924527.9U Expired - Fee Related CN208169441U (en) | 2017-12-30 | 2017-12-30 | A kind of planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169441U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536204A (en) * | 2020-05-15 | 2020-08-14 | 王丽红 | Inner gearing planetary gear reduction mechanism |
| CN112913630A (en) * | 2020-10-13 | 2021-06-08 | 山东弈腾机电设备有限公司 | Transmission mechanism of hand-held miniature tree mover |
-
2017
- 2017-12-30 CN CN201721924527.9U patent/CN208169441U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536204A (en) * | 2020-05-15 | 2020-08-14 | 王丽红 | Inner gearing planetary gear reduction mechanism |
| CN111536204B (en) * | 2020-05-15 | 2023-05-23 | 王丽红 | Internal-meshing planetary gear speed reducing mechanism |
| CN112913630A (en) * | 2020-10-13 | 2021-06-08 | 山东弈腾机电设备有限公司 | Transmission mechanism of hand-held miniature tree mover |
| CN112913630B (en) * | 2020-10-13 | 2022-09-16 | 山东樵匠机电科技有限公司 | Transmission mechanism of hand-held miniature tree mover |
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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 |
Granted publication date: 20181130 Termination date: 20191230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |