CN206206513U - A kind of planetary reducer - Google Patents
A kind of planetary reducer Download PDFInfo
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- CN206206513U CN206206513U CN201621069775.5U CN201621069775U CN206206513U CN 206206513 U CN206206513 U CN 206206513U CN 201621069775 U CN201621069775 U CN 201621069775U CN 206206513 U CN206206513 U CN 206206513U
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Abstract
The utility model discloses a kind of planetary reducer, the planetary reducer includes input shaft, one-level sun gear, primary planet carrier, secondary solar gear, secondary planet frame, three-level sun gear, third-level planetary frame and the brake casing being sequentially sleeved on the outside of the input shaft.The planetary reducer efficiency that the utility model is provided is high, and from heavy and light, transmission accuracy is higher.
Description
Technical field
The utility model is related to crane technical field, and in particular to a kind of planetary reducer.
Background technology
Planetary reducer (planetary reducer) is a kind of widely used industrial products, and its performance can be with other
Army's grade reductor product compares favourably, and but has the price of technical grade product, and planetary reducer is extensively on East China, North China ground
Area is applied to extensive industrial occasions.It is used for the industries such as lifting, excavation, transport, building but also as matching component.
The Chinese patent literature of Publication No. CN203906703U discloses a kind of planet compound annulus worm reducer, its
It is characterised by using the two-stage drive mechanism of planetary reduction gear complex superposition enveloping worm decelerator, the planetary reduction gear conduct
The first order is driven, and the enveloping worm decelerator is driven as the second level；The input end of motor of the planetary reduction gear and transmission
Motor is connected, and the output shaft of the planetary reduction gear is integrated with the worm input shaft design of enveloping worm decelerator, the ring
The worm gear output end of surface-worm decelerator is connected with working machine input, so as to realize that corner is exported.The utility model with it is existing
Technology is compared, and compact conformation, power density are high, and wide adaptation range, output form is various.
The Chinese patent literature of Publication No. CN2308764 discloses a kind of planetary reducer.By former decelerator
All-round tooth planetary gear is changed into several intermittent wheels or is changed to several single arm type planet tooth posts, all tooth engagements is changed into interrupted toothing
Engagement, reduces mesh frictional losses, further increasing transmission efficiency.
Utility model content
The purpose of this utility model is to provide a kind of planetary reducer, the planetary reducer efficiency that the utility model is provided
Height, from heavy and light, transmission accuracy is higher.
To achieve the above object, the utility model provides a kind of planetary reducer, the planetary reducer include input shaft,
It is sequentially sleeved in one-level sun gear, primary planet carrier, secondary solar gear, secondary planet frame, the three-level sun on the outside of the input shaft
Wheel, third-level planetary frame and brake casing, the input shaft are connected with the one-level sun gear；The one-level sun gear
Outside is provided with three primary planet wheels being connected with the primary planet carrier, the one-level sun gear and the one-level row
Planet gearing is connected；The secondary solar gear is connected with the primary planet carrier, and the outside of the secondary solar gear is set
There are three secondary planet wheels being connected with the secondary planet frame, the secondary planet wheel is driven with the secondary solar gear
Connection；The three-level sun gear is connected with the secondary planet frame, be provided with the outside of the three-level sun gear with it is described
Five third-level planetary wheels of third-level planetary frame drive connection, the third-level planetary wheel is connected with the three-level sun gear；Institute
Third-level planetary frame is stated to be connected with the brake casing.
Preferably, the planetary reducer also include be enclosed within the one-level sun gear, primary planet carrier, secondary solar gear,
Shell on the outside of secondary planet frame, three-level sun gear and third-level planetary frame, the shell includes spline housing, rear tooth lid and internal tooth
Circle, the spline housing is fixedly connected by the rear tooth lid with the ring gear, the ring gear and the brake casing
One end is fixedly connected.
Preferably, one-level sun gear one end of the input shaft is provided with ball bearing；The one-level sun gear is by working as ring
It is in contact with the primary planet carrier, the primary planet wheel is filled roller bearing, one-level hole and used with one-level end ring, one-level
Back-up ring and primary axis shield ring sleeve on the outside of the planet axis of the primary planet carrier and make the external gear of the primary planet wheel with
The internal gear phase clamping of the primary planet carrier；The secondary solar gear passes through two grades of shaft block rings and the primary planet carrier phase
Contact, the secondary planet wheel fills roller bearing, three-level hole back-up ring and three-level end ring with secondary bearing back-up ring, two grades
It is enclosed within the planet axis of secondary planet frame outside and makes in the external gear of the secondary planet wheel and the secondary planet frame
Gear phase clamping；The three-level sun gear is in contact by three-level shaft block ring with the secondary planet frame, the third-level planetary
Wheel fills roller bearing and is enclosed within the planet axis outside of the third-level planetary frame and makes the external gear of the third-level planetary wheel with three-level
With the internal gear phase clamping of the third-level planetary frame.
Preferably, the couple positioned opposite of the one-level end ring of the primary planet wheel has zero level hole back-up ring, described two
The couple positioned opposite of the secondary bearing back-up ring of level planetary gear has second hole back-up ring, and the third-level planetary wheel three-level fills Roller Shaft
The couple positioned opposite held has level Four hole back-up ring.
Preferably, the brake casing includes integrally formed small cylinder and large cylinder, the small cylinder and large cylinder
Equiaxial and uniform internal diameter, is provided with the output shaft being fixedly connected with the small cylinder and large cylinder in the small cylinder and large cylinder,
The external gear phase clamping of the internal gear of the third-level planetary frame and the small cylinder.
The utility model has the following advantages that：
It possesses bearing capacity by force to have significant advantage compared with the reduction box that conventional parallel shaft gear is driven, and takes empty
Between position it is small, efficiency high, from heavy and light, transmission accuracy is higher.Effectively improve the tolerance level of crane, precision and outward appearance.Pass
Efficiency of movement is high and safe, and maintenance time interval is optimized.So as to save operating cost.Due to rolling and slip at the flank of tooth
Speed is low, therefore noise is low.Connected using interior external tooth during installation, instead of bolt installation.Simple and convenient installation and removal.It is beneficial to
Maintenance, transmitting torque is big.
Brief description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of the utility model planetary reducer.
Description of reference numerals
The one-level sun gear 3 of 1 ball bearing 2 works as ring
The 4 zero level holes one-level end ring of 5 primary planet wheel of back-up ring 6
7 one-levels fill the one-level shaft block ring of 8 one-level hole back-up ring of roller bearing 9
10 11 2 grades of the primary planet carrier secondary solar gears of shaft block ring 12
The 13 second holes secondary bearing back-up ring of 14 secondary planet wheel of back-up ring 15
16 2 grades are filled the three-level end ring of 17 three-level hole back-up ring of roller bearing 18
The three-level sun gear of 19 secondary planet frame, 20 three-level shaft block ring 21
The three-level of 22 23 third-level planetary wheel of level Four hole back-up ring 24 fills roller bearing
The baffle plate of 25 third-level planetary frame, 26 level Four end ring 27
The taper roll bearing of 28 bearing, 29 locking nut 30
The brake casing of 31 Mechanical end face oil sealing, 32 outside framework oil seal 33
The 34 Pyatyi holes soket head cap screw of 35 ball bearing of back-up ring 36
The hexagonal socket head plug of 37 bearing block, 38 combination sealing pad 39
The hex bolts of tooth lid 42 after 40 ring gears 41
43 spline housings.
Specific embodiment
Following examples are used to illustrate the utility model, but are not limited to scope of the present utility model.
As shown in figure 1, the utility model provides a kind of planetary reducer, the planetary reducer includes input shaft, successively
It is enclosed within one-level sun gear 2, primary planet carrier 10, secondary solar gear 12, secondary planet frame 19, three-level on the outside of the input shaft too
Sun wheel 21, third-level planetary frame 25 and brake casing 33, the input shaft are connected with the one-level sun gear 2；Described one
The outside of level sun gear 2 is provided with three primary planet wheels 5 being connected with the primary planet carrier 10, the one-level sun
Wheel 2 is connected with the primary planet wheel 5；The secondary solar gear 12 is connected with the primary planet carrier 10, described
The outside of secondary solar gear 12 is provided with three secondary planet wheels 14 being connected with the secondary planet frame 19, described two grades
Planetary gear 14 is connected with the secondary solar gear 12；The three-level sun gear 21 is driven with the secondary planet frame 19 and connects
Connect, the outside of the three-level sun gear 21 is provided with five third-level planetary wheels 23 being connected with the third-level planetary frame 25,
The third-level planetary wheel is connected with the three-level sun gear 21；The third-level planetary frame 25 is passed with the brake casing 33
Dynamic connection.The reductor that the utility model is provided can be fully mounted inside reel, be greatly saved space.
In order to prevent internal part to be damaged, a kind of specific embodiment, as shown in figure 1, the planetary reducer is also wrapped
Include and be enclosed within the one-level sun gear 2, primary planet carrier 10, secondary solar gear 12, secondary planet frame 19, three-level sun gear 21 and three
The shell in the outside of level planet carrier 25, the shell includes spline housing 43, rear tooth lid 41 and ring gear 40, and the spline housing 43 passes through
The rear tooth lid 41 is fixedly connected with the ring gear 40, and the ring gear 40 is fixed with one end of the brake casing 33 and connected
Connect, the rear tooth lid 41 is fixedly connected by hex bolts 42 with the ring gear 40.
In order to prevent between sun gear and planet carrier, planetary gear and planet carrier support contact with each other and damage, so as to influence
Precision, as shown in figure 1, a kind of specific embodiment, one end of one-level sun gear 2 of the input shaft is provided with ball bearing 1；Institute
One-level sun gear 2 is stated by when ring 3 is in contact with the primary planet carrier 10, the primary planet wheel 5 and one-level end ring
6th, one-level fills the planet axis that roller bearing 7, one-level hole back-up ring 8 and one-level shaft block ring 9 are enclosed within the primary planet carrier 10
Outside and make the external gear of the primary planet wheel 5 and the internal gear phase clamping of the primary planet carrier 10；Two grades of sun
Wheel 12 is in contact by two grades of shaft block rings 11 with the primary planet carrier 10, the secondary planet wheel 14 and secondary bearing back-up ring
15th, the row that roller bearing 16, three-level hole back-up ring 17 and three-level end ring 18 are enclosed within the secondary planet frame 19 is filled for two grades
Star axle outside and make the external gear of the secondary planet wheel 14 and the internal gear phase clamping of the secondary planet frame 19；The three-level
Sun gear 21 is in contact by three-level shaft block ring 20 with the secondary planet frame 19, and the third-level planetary wheel 23 is filled with three-level
Roller bearing 24 be enclosed within the third-level planetary frame 25 planet axis outside and make the external gear of the third-level planetary wheel 23 with it is described
The internal gear phase clamping of third-level planetary frame 25.
As shown in figure 1, in order to prevent planetary gear from departing from, a kind of specific embodiment, the primary axis of the primary planet wheel 5
The opposite side that holding the couple positioned opposite of back-up ring 6 has zero level hole back-up ring 4, the secondary bearing back-up ring 15 of the secondary planet wheel 14 sets
Second hole back-up ring 13 is equipped with, the couple positioned opposite that the three-level of third-level planetary wheel 23 fills roller bearing 24 has level Four hole to keep off
Circle 22.
As shown in figure 1, a kind of specific embodiment, the brake casing 33 includes integrally formed small cylinder and great circle
Cylinder, the small cylinder and large cylinder is equiaxial and uniform internal diameter is provided with and the small cylinder and greatly in the small cylinder and large cylinder
The output shaft that cylinder is fixedly connected, the external gear phase clamping of the internal gear of the third-level planetary frame 25 and the small cylinder.Input
Axle is connected by level Four end ring 26, baffle plate 27 and bearing 28 with the outside framework oil seal 32 of described small cylinder one end, small cylinder
Outside is cased with locking nut 29, taper roll bearing 30 and Mechanical end face oil sealing 31.One end of large cylinder is provided with bearing block 37,
Bearing block 37 is fixed on large cylinder by soket head cap screw 36, and ball bearing 35 and Pyatyi hole back-up ring are provided with bearing block 37
34, the outside of large cylinder has also been screwed into hexagonal socket head plug 39 and combination sealing pad 38.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is to those skilled in the art apparent
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (5)
1. a kind of planetary reducer, it is characterised in that the planetary reducer includes input shaft, is sequentially sleeved in outside the input shaft
The one-level sun gear (2) of side, primary planet carrier (10), secondary solar gear (12), secondary planet frame (19), three-level sun gear
(21), third-level planetary frame (25) and brake casing (33), the input shaft are connected with the one-level sun gear (2)；Institute
State the three primary planet wheels (5) for being provided with the outside of one-level sun gear (2) and being connected with the primary planet carrier (10), institute
One-level sun gear (2) is stated to be connected with the primary planet wheel (5)；The secondary solar gear (12) and the primary planet carrier
(10) it is connected, three be connected with the secondary planet frame (19) is provided with the outside of the secondary solar gear (12)
Secondary planet wheel (14), the secondary planet wheel (14) is connected with the secondary solar gear (12)；The three-level sun gear
(21) it is connected with the secondary planet frame (19), is provided with and the third-level planetary on the outside of the three-level sun gear (21)
Five third-level planetary wheels (23) of frame (25) drive connection, the third-level planetary wheel is driven with the three-level sun gear (21) and connects
Connect；The third-level planetary frame (25) is connected with the brake casing (33).
2. planetary reducer according to claim 1, it is characterised in that the planetary reducer also includes being enclosed within described
Level sun gear (2), primary planet carrier (10), secondary solar gear (12), secondary planet frame (19), three-level sun gear (21) and three-level
Shell on the outside of planet carrier (25), the shell includes spline housing (43), rear tooth lid (41) and ring gear (40), the spline housing
(43) it is fixedly connected with the ring gear (40) by the rear tooth lid (41), the ring gear (40) and the brake casing
(33) one end is fixedly connected.
3. planetary reducer according to claim 1, it is characterised in that one-level sun gear (2) one end of the input shaft
It is provided with ball bearing (1)；The one-level sun gear (2) is in contact by when ring (3) with the primary planet carrier (10), and described one
Level planetary gear (5) fills roller bearing (7), one-level hole back-up ring (8) and primary axis gear with one-level end ring (6), one-level
Circle (9) is enclosed within the planet axis outside of the primary planet carrier (10) and makes the external gear and described of the primary planet wheel (5)
The internal gear phase clamping of level planet carrier (10)；
The secondary solar gear (12) is in contact by two grades of shaft block rings (11) with the primary planet carrier (10), described two grades
Planetary gear (14) fills roller bearing (16), three-level hole back-up ring (17) and three-level bearing with secondary bearing back-up ring (15), two grades
Back-up ring (18) is enclosed within the planet axis outside of the secondary planet frame (19) and makes external gear and the institute of the secondary planet wheel (14)
State the internal gear phase clamping of secondary planet frame (19)；
The three-level sun gear (21) is in contact by three-level shaft block ring (20) with the secondary planet frame (19), the three-level
Planetary gear (23) and three-level fill roller bearing (24) and are enclosed within the planet axis outside of the third-level planetary frame (25) and make described three
The external gear of level planetary gear (23) and the internal gear phase clamping of the third-level planetary frame (25).
4. planetary reducer according to claim 3, it is characterised in that the one-level bearing rib of the primary planet wheel (5)
The couple positioned opposite for enclosing (6) has zero level hole back-up ring (4), the secondary bearing back-up ring (15) of the secondary planet wheel (14) it is relative
Side is provided with second hole back-up ring (13), and the couple positioned opposite that third-level planetary wheel (23) three-level fills roller bearing (24) has
Level Four hole is with back-up ring (22).
5. planetary reducer according to claim 3, it is characterised in that the brake casing (33) is including being integrally formed
Small cylinder and large cylinder, the small cylinder and large cylinder is equiaxial and uniform internal diameter, be provided with the small cylinder and large cylinder with
The output shaft that the small cylinder is fixedly connected with large cylinder, the internal gear of the third-level planetary frame (25) is outer with the small cylinder
Gear phase clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069775.5U CN206206513U (en) | 2016-09-21 | 2016-09-21 | A kind of planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069775.5U CN206206513U (en) | 2016-09-21 | 2016-09-21 | A kind of planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206513U true CN206206513U (en) | 2017-05-31 |
Family
ID=58760833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621069775.5U Active CN206206513U (en) | 2016-09-21 | 2016-09-21 | A kind of planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275593A (en) * | 2018-03-26 | 2018-07-13 | 王�琦 | Double-hook electric block |
-
2016
- 2016-09-21 CN CN201621069775.5U patent/CN206206513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275593A (en) * | 2018-03-26 | 2018-07-13 | 王�琦 | Double-hook electric block |
| CN108275593B (en) * | 2018-03-26 | 2023-11-21 | 浙江契卡拉起重机械有限公司 | Double-hook electric hoist |
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