CN205534036U - Planetary reducer - Google Patents
Planetary reducer Download PDFInfo
- Publication number
- CN205534036U CN205534036U CN201620239707.2U CN201620239707U CN205534036U CN 205534036 U CN205534036 U CN 205534036U CN 201620239707 U CN201620239707 U CN 201620239707U CN 205534036 U CN205534036 U CN 205534036U
- Authority
- CN
- China
- Prior art keywords
- ring gear
- gear
- planetary reducer
- planetary
- casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 30
- 210000000515 tooth Anatomy 0.000 claims 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a planetary reducer, including the ring gear, with the interior gear mesh and the edge of ring gear planetary gear and cover that the inner circle of ring gear goes on revolving round the sun are in the outlying box of ring gear, the ring gear rotationally sets up in the box, the box with be equipped with springiness cushioning spare between the periphery of ring gear, work as when the ring gear rotates, springiness cushioning spare produce with ring gear rotation in the opposite direction's elasticity. According to the configuration, the utility model provides a planetary reducer, it can avoid the moment of torsion in the twinkling of an eye during the grow, the problem of the easy damage of the gear of speed reducer.
Description
Technical field
This utility model relates to decelerator technical field, more particularly, it relates to a kind of planetary reducer.
Background technology
In recent years, China's capital construction facility market of construction starts accelerated growth, and planetary reducer is in engineering
It is widely used in plant equipment.
Planetary reducer is a kind of for reducing prime mover output speed, improves the planetary reduction gear of output moment of torsion
Geared system.Compared with common cylinder gear reduction unit, planetary reducer have size little, lightweight,
Bearing capacity is high, gear range is big, transmission efficiency advantages of higher.On engineering machinery is applied, platform
It is the most frequent that rotary reducer turns round operation in work progress.During acceleration or deceleration, owing to driving
Dynamic torque moment strengthens, and broken teeth folded tooth phenomenon often occurs in the gear of rotary reducer.
Therefore, when how to avoid driving torque moment to become big, the gear of reductor easily occurs that damages asks
Topic, becomes those skilled in the art's important technological problems to be solved.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of planetary reducer, and it is it can be avoided that turn round
When square moment becomes big, the problem that the gear of reductor easily damages.
A kind of planetary reducer that this utility model provides, including ring gear, with the internal tooth of described ring gear
It is meshed and carries out, along the inner ring of described ring gear, the planetary gear that revolves round the sun and be enclosed within described ring gear
Peripheral casing, described ring gear is rotatably arranged in described casing, described casing and described internal tooth
Being provided with resilient snubber between the periphery of circle, when described ring gear rotates, described resilient snubber produces
The elastic force contrary with described ring gear rotation direction.
Preferably, the inwall of described casing is provided with the first mounting seat, and the periphery of described ring gear is provided with and institute
Stating the second mounting seat that the first mounting seat is corresponding, one end of described resilient snubber is installed with described first
Seat is connected, the other end is connected with described second mounting seat.
Preferably, described resilient snubber is spring.
Preferably, described resilient snubber is multiple.
Preferably, multiple described resilient snubbers are uniformly distributed along the circumference of described ring gear.
Preferably, including multistage described planetary gear and multistage described ring gear, described planetary gears at different levels
It is meshed with described ring gears at different levels correspondingly.
Preferably, set between ring gear, and described casing described in the wherein one-level in multistage described ring gear
There is described resilient snubber.
Preferably, at least described resilient snubber it is provided with between ring gear and described casing described in two-stage.
A kind of planetary reducer that this utility model provides, including ring gear, with the internal tooth of described ring gear
It is meshed and carries out, along the inner ring of described ring gear, the planetary gear that revolves round the sun and be enclosed within described ring gear
Peripheral casing, described ring gear is rotatably arranged in described casing, described casing and described internal tooth
Being provided with resilient snubber between the periphery of circle, when described ring gear rotates, described resilient snubber produces
The elastic force contrary with described ring gear rotation direction.When planetary reducer works, planetary gear is at internal tooth
Carrying out in circle revolving round the sun and rotation, when load or moment of torsion moment become big, planetary gear can drive ring gear to dash forward
So rotating, owing to being provided with resilient snubber between ring gear and casing, resilient snubber produces elastic deformation,
The active force recovering deformation is the damping force stoping ring gear to rotate, and then effectively buffering has fallen unexpected increase
Moment of torsion, drive disk assembly is defined effectively protection, it is to avoid because load or moment of torsion moment increase, and damage
The problem of bad drive disk assembly.It addition, in the technical scheme that provides of this utility model, ring gear and casing it
Between be provided with resilient snubber, belong to ring gear float load balancing mechanism pattern, this load balancing mechanism is possible not only to
Symmetrical load, improves the bearing capacity of gear, also can reduce running noise, improves stationarity and reliability,
The requirement to the accuracy of gear can also be reduced simultaneously, thus reduce manufacturing cost.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is planetary reducer internal drive simplified schematic diagram in this utility model detailed description of the invention；
Fig. 2 is ring gear and casing mounting structure schematic diagram in this utility model detailed description of the invention；
Fig. 3 is this utility model detailed description of the invention Elastic bolster scheme of installation；
Fig. 4 is the inside three-dimensional cutaway view of planetary reducer in this utility model detailed description of the invention；
In Fig. 1-Fig. 4:
--11, planetary gear--12, casing--13, resilient snubber--14, brake--15, defeated for ring gear
--16, primary planet carrier secondary solar gear--17 that enter solar wheeling tooth wheel shaft, secondary planet frame output gear 18,
19, two grades of ring gears of secondary planetary gear--20, primary planet pinion--21, one-level ring gear--22.
Detailed description of the invention
This detailed description of the invention provides a kind of planetary reducer, when it is it can be avoided that moment of torsion moment becomes big,
The problem that the gear of reductor easily damages.
Hereinafter, referring to the drawings embodiment is illustrated.Additionally, embodiments illustrated below is not to right
Utility model content described in requirement plays any restriction effect.It addition, the structure represented by example below
The full content become is not limited to as necessary to the solution of the utility model described in claim.
Refer to Fig. 1-Fig. 4, a kind of planetary reducer that this detailed description of the invention provides, including ring gear 11,
Planetary gear 12, casing 13 and resilient snubber 14.
Wherein, planetary gear 12 is meshed with the internal tooth of ring gear 11 and carries out public affairs along the inner ring of ring gear 11
Turning, ring gear 11 is enclosed within the inside of casing 13, and ring gear 11 can rotate relative to casing 13.
Resilient snubber 14 is arranged between the periphery of casing 13 and ring gear 11, when ring gear 11 rotates,
Resilient snubber 14 produces the elastic force contrary with ring gear 11 rotation direction.
When planetary reducer works, planetary gear 12 carries out revolving round the sun and rotation in ring gear 11, when negative
When load or moment of torsion moment become big, planetary gear 12 can drive ring gear 11 to rotate suddenly, due to ring gear 11
And between casing 13, it being provided with resilient snubber 14, resilient snubber 14 produces elastic deformation, recovers deformation
Active force is the damping force stoping ring gear 11 to rotate, and then effectively buffering has fallen the moment of torsion of unexpected increase,
Drive disk assembly is defined effectively protection, it is to avoid because load or moment of torsion moment increase, and damage driving section
The problem of part.It addition, in the technical scheme of this utility model offer, set between ring gear 11 and casing 13
Flexible bolster 14, belongs to the load balancing mechanism pattern that ring gear 11 floats, and this load balancing mechanism is possible not only to
Symmetrical load, improves the bearing capacity of gear, also can reduce running noise, improves stationarity and reliability,
The requirement to the accuracy of gear can also be reduced simultaneously, thus reduce manufacturing cost.
For the ease of installing resilient snubber 14, the inwall at casing 13 can be provided with the first mounting seat, interior
The periphery of gear ring 11 is provided with second mounting seat corresponding with the first mounting seat, one end of resilient snubber 14
Be connected with the first mounting seat, the other end and the second mounting seat are connected.First mounting seat and second is installed
Seat can be connected on casing 13 and ring gear 11 by pin respectively.Certainly, above-mentioned resilient snubber
14 also can be connected between the inwall of casing 13 and the periphery of ring gear 11 otherwise, specifically can root
Specifically set according to practical situation, illustrate the most one by one.It addition, above-mentioned resilient snubber 14 can
Think spring, it is possible to for flexure strip etc..
In the preferred version of this detailed description of the invention, set between periphery and the inwall of casing 13 of ring gear 11
There is multiple resilient snubber 14, and multiple resilient snubber 14 is uniformly distributed along the circumference of ring gear 11, as
This is arranged, it is ensured that the elastic force of the resilient snubber 14 that ring gear 11 is subject to is more uniform, has preferably
Stability.
In addition, it is necessary to explanation, the planetary reducer that this detailed description of the invention provides, it may include multistage
Planetary gear 12, such as, may particularly include two-stage, three grades etc., for the ease of introducing, hereafter will be with tool
Illustrate as a example by having the planetary reducer of two-stage planet 12.
Refer to Fig. 1, the reductor with secondary planetary gear 19 that this detailed description of the invention provides includes case
Body 13, brake 15, input solar wheeling tooth wheel shaft 16,17, two grades of row of primary planet carrier secondary solar gear
Carrier output gear 18, secondary planetary gear 19, two grades of ring gears 20, primary planet pinion 21, one-levels
Ring gear 22, resilient snubber 14.
Work process: after brake 15 is opened, power is passed to one-level by inputting solar wheeling tooth wheel shaft 16
Planet carrier secondary solar gear 17, power is passed to secondary planet frame by primary planet carrier secondary solar gear 17 again
Output gear 18, secondary planet frame output gear 18 imparts power to equipment again.Resilient snubber
14 can be arranged between one-level ring gear 22 and casing 13, it is possible to be arranged on two grades of ring gears 20 and casing
Between 13, certainly, it is possible between one-level ring gear 22 and two grades of ring gears 20 and casing 13, be designed with bullet
Property bolster 14.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (8)
1. a planetary reducer, it is characterised in that include ring gear, with the internal tooth phase of described ring gear
Engagement and carry out, along the inner ring of described ring gear, the planetary gear that revolves round the sun and be enclosed within outside described ring gear
The casing enclosed, described ring gear is rotatably arranged in described casing, described casing and described ring gear
Periphery between be provided with resilient snubber, when described ring gear rotates, described resilient snubber produce with
The elastic force that described ring gear rotation direction is contrary.
2. planetary reducer as claimed in claim 1, it is characterised in that the inwall of described casing is provided with
First mounting seat, the periphery of described ring gear is provided with second mounting seat corresponding with described first mounting seat,
One end of described resilient snubber is connected with described first mounting seat, the other end and described second mounting seat
It is connected.
3. planetary reducer as claimed in claim 1, it is characterised in that described resilient snubber is bullet
Spring.
4. the planetary reducer as described in any one of claim 1-3, it is characterised in that described elastic buffer
Part is multiple.
5. planetary reducer as claimed in claim 4, it is characterised in that multiple described resilient snubbers
Circumference along described ring gear is uniformly distributed.
6. the planetary reducer as described in any one of claim 1-3, it is characterised in that include multistage described
Planetary gear and multistage described ring gear, described planetary gears at different levels correspondingly with described internal tooths at different levels
Circle is meshed.
7. planetary reducer as claimed in claim 6, it is characterised in that in multistage described ring gear
Wherein it is provided with described resilient snubber between ring gear described in one-level, and described casing.
8. planetary reducer as claimed in claim 6, it is characterised in that at least internal tooth described in two-stage
It is provided with described resilient snubber between circle and described casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620239707.2U CN205534036U (en) | 2016-03-25 | 2016-03-25 | Planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620239707.2U CN205534036U (en) | 2016-03-25 | 2016-03-25 | Planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534036U true CN205534036U (en) | 2016-08-31 |
Family
ID=56783837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620239707.2U Expired - Fee Related CN205534036U (en) | 2016-03-25 | 2016-03-25 | Planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534036U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605161A (en) * | 2016-03-25 | 2016-05-25 | 北京南车时代机车车辆机械有限公司 | Planetary reducer |
| CN108050210A (en) * | 2017-12-14 | 2018-05-18 | 广西柳工机械股份有限公司 | Planetary reduction gear |
| CN109654173A (en) * | 2018-12-28 | 2019-04-19 | 中国电子科技集团公司第二十七研究所 | A kind of movement support arm torque balance device |
| CN113700829A (en) * | 2021-07-22 | 2021-11-26 | 中国北方车辆研究所 | Sliding and rotating buffer device for fixed gear ring of speed reducer |
-
2016
- 2016-03-25 CN CN201620239707.2U patent/CN205534036U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605161A (en) * | 2016-03-25 | 2016-05-25 | 北京南车时代机车车辆机械有限公司 | Planetary reducer |
| CN108050210A (en) * | 2017-12-14 | 2018-05-18 | 广西柳工机械股份有限公司 | Planetary reduction gear |
| CN109654173A (en) * | 2018-12-28 | 2019-04-19 | 中国电子科技集团公司第二十七研究所 | A kind of movement support arm torque balance device |
| CN113700829A (en) * | 2021-07-22 | 2021-11-26 | 中国北方车辆研究所 | Sliding and rotating buffer device for fixed gear ring of speed reducer |
| CN113700829B (en) * | 2021-07-22 | 2024-04-26 | 中国北方车辆研究所 | Fixed gear ring slip buffer device of speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160831 |