CN203670625U - Speed reducer - Google Patents
Speed reducer Download PDFInfo
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- CN203670625U CN203670625U CN201320389567.3U CN201320389567U CN203670625U CN 203670625 U CN203670625 U CN 203670625U CN 201320389567 U CN201320389567 U CN 201320389567U CN 203670625 U CN203670625 U CN 203670625U
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- wheel
- gear
- planet
- speed reducer
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Abstract
The utility model discloses a speed reducer which is long in service life. The speed reducer comprises an overall shell formed by a base, a second-level tooth ring, a top cover and a first-level tooth ring, a two-level planetary gear speed reducing mechanism and an output SAE flange are arranged in the shell in the direction along the central line in sequence, the two-level planetary gear speed reducing mechanism comprises a first-level planetary gear assembly and a second-level planetary gear assembly, the first-level planetary gear assembly is composed of a first-level planetary carrier, a first-level central gear and a first-level planetary gear, and the second-level planetary gear assembly is composed of a second-level planetary carrier, a second-level central gear and a second-level planetary gear, the first-level central gear, the second-level central gear and the output SAE flange are located on the same axial line, the first-level planetary gear and the second-level planetary gear are correspondingly meshed and mounted in the first-level tooth ring and the second-level tooth ring, the first-level planetary carrier is externally meshed to the second-level central gear, a drum-shaped gear is internally meshed to the second-level planetary carrier, the drum-shaped gear is mounted on the output SAE flange, a bearing is mounted between the output SAE flange and the base, and the first-level central gear, the first-level planetary gear, the second-level central gear and the second-level planetary gear are all 17CrNiMo6 tooth-grinded gears.
Description
Technical field
The utility model relates to a kind of speed reducer.
Background technique
Existing speed reducer is all generally to adopt planetary reduction gear type of belt drive, have for planetary speed reducer installation form: level is installed, vertically installed and tilts to install, wherein, conventional installation installed and be vertically installed as to level, stressing conditions is fairly simple, and it is the most complicated to tilt to install stressing conditions.To be formed in order meeting and all to be carried requirement by two-stage or third-level planetary transmission, central gears at different levels and planet carrier adopt relocation mechanism.When adopting while tilting to install, just produce the problem of axial distance and axially loaded between central gears at different levels, the contact jaw surface wear between central gears at different levels is serious, even occurs the phenomenons such as fissure, and working life is low.
Summary of the invention
The purpose of this utility model is to provide that a kind of noise is low, intensity is high, the speed reducer of long service life.
To achieve these goals, scheme of the present utility model: a kind of speed reducer, it comprises base, secondary gear ring and top cover, the overall housing of primary annulus composition, in this housing, along centerline direction, two-stage planet reducing gear and output SAE flange are installed successively, two-stage planet reducing gear comprises by primary planet carrier, the primary planet pinion assembly of primary centre wheel and one-level planet wheel composition, by secondary planet frame, the secondary planetary gear assembly of secondary center wheel and secondary planet wheel composition, described primary centre wheel, secondary center wheel and output SAE flange are on same axis, described one-level planet wheel, the corresponding engagement of secondary planet wheel is installed on described primary annulus, in secondary gear ring, described primary planet carrier outer gearing is connected on secondary center wheel, drum gear has been connected with a joggle in described secondary planet frame, this drum gear is installed on output SAE flange, between this output SAE flange and described base, bearing is installed, wherein, described primary centre wheel, one-level planet wheel and secondary center wheel, secondary planet wheel is 17CrNiMo
6roll flute gear.
Further, described output SAE flange is by 42CrMo one forging forming; Described drum gear is by 42CrMo one forging forming.
Further, between described top cover and base, adopt the sealing of O RunddichtringO to be connected.
Further, affixed by some screws between described top cover and base, and also locate and be provided with suspension ring on one or several screw.
Further, the joint pair between described output SAE flange and described secondary planet frame is sphere, and has recess in the secondary top, this joint of described output SAE flange indent.
Further, between described primary centre wheel and secondary center wheel, being provided with top last item holds; Described primary centre wheel is held and is positioned on described top cover by top last item, and this top last item holds by end ring and is positioned respectively on this primary centre wheel and top cover.
The beneficial effects of the utility model: effectively prevented from contacting between speed reducer central gears at different levels and planet wheel the wearing and tearing of end face, avoid the generation of leakage of oil situation, simultaneously, strengthen the intensity of each gear, fissure and wearing and tearing are stopped, make speed reducer rotate safety, steadily and noise low, through evidence, increase the service life more than 50%.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.
One as shown in Figure 1 speed reducer mainly comprises base 1, secondary gear ring 6 and top cover 8, the overall housing that primary annulus 9 forms, in this housing, along centerline direction, two-stage planet reducing gear and output SAE flange 14 are installed successively, two-stage planet reducing gear comprises by primary planet carrier 12, the primary planet pinion assembly that primary centre wheel 10 and one-level planet wheel 11 form, by secondary planet frame 3, the secondary planetary gear assembly of secondary center wheel 4 and secondary planet wheel 5 compositions, described primary centre wheel 10, secondary center wheel 4 and output SAE flange 14 are on same axis, described one-level planet wheel 11, the corresponding engagement of secondary planet wheel 5 is installed on described primary annulus 9, in secondary gear ring 6, described primary planet carrier 12 outer gearings are connected on secondary center wheel 4, drum gear 2 has been connected with a joggle in described secondary planet frame 3, this drum gear 2 is installed on output SAE flange 14, between this output SAE flange 14 and described base 1, bearing 15 is installed, wherein, described primary centre wheel 10, one-level planet wheel 11 and secondary center wheel 4, secondary planet wheel 5 is 17CrNiMo
6roll flute gear.
Further, the joint pair between described output SAE flange 14 and described secondary planet frame 3 is sphere, and has recess in the secondary top, this joint of described output SAE flange 14 indent; Between described primary centre wheel 10 and secondary center wheel 4, being provided with top last item holds; Described primary centre wheel 10 is held and is positioned on described top cover 8 by top last item, and this top last item holds by end ring and is positioned respectively on this primary centre wheel 10 and top cover 8.
The utility model is inputted by primary centre wheel 10, through primary speed-down, drive secondary center wheel 4 by primary planet carrier 12, enter double reduction, through double reduction, drive output SAE flange 1 by secondary planet frame 3 by drum gear 2, finally export SAE flange and drive cylinder to rotate, realize complete machine output.Wherein, for output SAE flange 14, its for cylinder on SAE flange carry out bolt and be connected, preferred this output SAE flange 14 of this example is by 42CrMo one forging forming, adopt spheroidal graphite cast iron QT500-7 than tradition, this output SAE flange 14 intensity are better, stopped the situation of flange plate fracture, improve working strength, extended the working life of flange plate.
Specifically, between described output SAE flange 14 and drum gear 2, connect, under the effect of base 1 and bearing 15, under state of rest, two-stage drive part is not produced to thrust, under motion state, between output SAE flange 14 and secondary planet frame 3, between drum gear 2 and secondary planet frame 3, there is relative movement, because two joint pairs are sphere, and there is recess in output SAE flange 14 top indents, do not produce in theory thrust, but there is certain error in reality processing and assembly process, can produce certain thrust and thrust will be to secondary transmission, one-level transmission is transmitted successively, final accumulation is passed on the shell of speed reducer.
Further, described drum gear 2, by 42CrMo one forging forming, adopts spheroidal graphite cast iron QT500-7 than tradition, the intensity of this drum gear 2 is better, the situation of having stopped gear fissure, has improved working strength, has extended the working life of this drum gear 2.
Between described top cover 8 and base 1, adopt 13 sealings of O RunddichtringO to be connected; Meanwhile, for adopting dynamic seal (packing) etc. between base 1 and output SAE flange 14, make complete machine that oil leakage phenomenon, economical environment-protective can not occur.
Affixed by some screws between described top cover 8 and base 1, and also locate and be provided with suspension ring 7 on one or several screw, for the movement of complete machine.
The technological scheme above the utility model embodiment being provided is described in detail, applied principle and the mode of execution of specific case to the utility model embodiment herein and set forth, above embodiment's explanation is only applicable to help to understand the utility model embodiment's principle; , for one of ordinary skill in the art, according to the utility model embodiment, in embodiment and application area, all will change, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (7)
1. a speed reducer, it is characterized in that: comprise base (1), secondary gear ring (6) and top cover (8), the overall housing of primary annulus (9) composition, in this housing, along centerline direction, two-stage planet reducing gear and output SAE flange (14) are installed successively, two-stage planet reducing gear comprises by primary planet carrier (12), the primary planet pinion assembly of primary centre wheel (10) and one-level planet wheel (11) composition, by secondary planet frame (3), the secondary planetary gear assembly of secondary center wheel (4) and secondary planet wheel (5) composition, described primary centre wheel (10), secondary center wheel (4) and output SAE flange (14) are on same axis, described one-level planet wheel (11), the corresponding engagement of secondary planet wheel (5) is installed on described primary annulus (9), in secondary gear ring (6), described primary planet carrier (12) outer gearing is connected on secondary center wheel (4), drum gear (2) has been connected with a joggle in described secondary planet frame (3), this drum gear (2) is installed on output SAE flange (14), between this output SAE flange (14) and described base (1), bearing (15) is installed, wherein, described primary centre wheel (10), one-level planet wheel (11) and secondary center wheel (4), secondary planet wheel (5) is 17CrNiMo
6roll flute gear.
2. speed reducer according to claim 1, is characterized in that: described output SAE flange (14) is by 42CrMo one forging forming.
3. speed reducer according to claim 1, is characterized in that: described drum gear (2) is by 42CrMo one forging forming.
4. speed reducer according to claim 1, is characterized in that: between described top cover (8) and base (1), adopt O RunddichtringO (13) sealing to be connected.
5. speed reducer according to claim 4, is characterized in that: affixed by some screws between described top cover (8) and base (1), and also locate and be provided with suspension ring (7) on one or several screw.
6. speed reducer according to claim 1, is characterized in that: the joint pair between described output SAE flange (14) and described secondary planet frame (3) is sphere, and has recess in the secondary top, this joint of described output SAE flange (14) indent.
7. speed reducer according to claim 1, is characterized in that: between described primary centre wheel (10) and secondary center wheel (4), be provided with top last item and hold; Described primary centre wheel (10) holds by top last item that to be positioned described top cover (8) upper, and this top last item holds by end ring and is positioned respectively on this primary centre wheel (10) and top cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389567.3U CN203670625U (en) | 2013-07-02 | 2013-07-02 | Speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389567.3U CN203670625U (en) | 2013-07-02 | 2013-07-02 | Speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670625U true CN203670625U (en) | 2014-06-25 |
Family
ID=50966926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320389567.3U Expired - Fee Related CN203670625U (en) | 2013-07-02 | 2013-07-02 | Speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670625U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179895A (en) * | 2014-08-11 | 2014-12-03 | 陕西法士特汽车传动集团有限责任公司 | Planetary gear reducer for high-capacity cement mixer truck |
| CN104633014A (en) * | 2015-01-31 | 2015-05-20 | 丁年生 | Gear reduction unit |
| CN107289074A (en) * | 2017-07-13 | 2017-10-24 | 华南理工大学 | The speed reduction gearing and method of a kind of Industrial fan |
| CN110834325A (en) * | 2019-09-30 | 2020-02-25 | 中国北方车辆研究所 | Two-stage planetary transmission robot joint body driver |
-
2013
- 2013-07-02 CN CN201320389567.3U patent/CN203670625U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179895A (en) * | 2014-08-11 | 2014-12-03 | 陕西法士特汽车传动集团有限责任公司 | Planetary gear reducer for high-capacity cement mixer truck |
| CN104633014A (en) * | 2015-01-31 | 2015-05-20 | 丁年生 | Gear reduction unit |
| CN107289074A (en) * | 2017-07-13 | 2017-10-24 | 华南理工大学 | The speed reduction gearing and method of a kind of Industrial fan |
| CN107289074B (en) * | 2017-07-13 | 2024-01-26 | 华南理工大学 | Speed reduction transmission device and method for industrial fan |
| CN110834325A (en) * | 2019-09-30 | 2020-02-25 | 中国北方车辆研究所 | Two-stage planetary transmission robot joint body driver |
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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 |
Granted publication date: 20140625 Termination date: 20140702 |
|
| EXPY | Termination of patent right or utility model |