CN201535344U - Small-volume large-torque decelerator for rocket-launching movable platform - Google Patents
Small-volume large-torque decelerator for rocket-launching movable platform Download PDFInfo
- Publication number
- CN201535344U CN201535344U CN2009202240729U CN200920224072U CN201535344U CN 201535344 U CN201535344 U CN 201535344U CN 2009202240729 U CN2009202240729 U CN 2009202240729U CN 200920224072 U CN200920224072 U CN 200920224072U CN 201535344 U CN201535344 U CN 201535344U
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Abstract
The utility model discloses a small-volume large-torque decelerator for a rocket-launching movable platform, which comprises an input/output case body, an input bevel gear pair and a tertiary planetary gear system; the input bevel gear pair and a bevel gear wheel are installed on a primary sun wheel axle; an input bevel gear shaft and the primary sun wheel axle are supported and positioned in the input case body through bearings; the outer surface of an internal gear ring of the primary planetary gear system serves as a part of the case body and is connected with the input case body and a connecting case body through connecting parts; the outer surface of an internal gear ring of a secondary planetary gear system serves as a part of the case body and is connected with two connecting case bodies through connecting parts; and the outer surface of an internal gear ring of a tertiary planetary gear system servers as a part of the case body and is connected with a connecting case body and an output case body through connecting parts. The utility model has the advantages as follows: the gear parameter optimization is utilized to realize the high reliability of transmission and extend the service life of the decelerator; and since the outer surface of the internal gear ring is directly used as a part of the case body, the radial dimension is greatly reduced, and the overall transmission rigidity is guaranteed.
Description
Technical field
The utility model relates to retarder, especially relates to rocket movable launcher reducer with small volume and large torque.
Background technique
The rocket movable launcher retarder must have following performance: the reliability height, the life-span is long, efficient is high, volume is little, output torque is big, running speed is low, speed ratio is big, transmission rigidity is big etc.What China's rocket launching speed reducer adopted at present is osculating circle movable teeth reducer structure, belongs to the mobile tooth and small tooth difference transmission.This type speed reducer is maximum to allow torque little, and transmission efficiency is low, and therefore η＜70% can not satisfy above-mentioned characteristic requirement fully.
The model utility content
The utility model purpose is to provide a kind of transmission efficiency and the high rocket movable launcher reducer with small volume and large torque of transmission stiffness.
For achieving the above object, the utility model can be taked following technical proposals:
Rocket movable launcher reducer with small volume and large torque described in the utility model comprises input, output casing, input bevel gear pair and the third-level planetary train of gearings of being made up of sun gear, planet wheel, planet carrier, ring gear respectively;
The input bevel gear shaft of a, described input bevel gear pair extends outside the input magazine body sidewall; The bevel gear wheel of input bevel gear pair is installed on the one-level sun wheel shaft, and input bevel gear shaft and one-level sun wheel shaft are positioned to import in the casing by bearings, and by the one-level sun wheel shaft will move with transmission of power to the one-level planetary gear train;
The ring gear outer surface of b, one-level planetary gear train is as the part of casing, by link respectively with the input casing, connect the casing knot that links; Three one-level planet wheels respectively by bearings on primary planet carrier, primary planet carrier floats and is provided with, by primary planet carrier will move and transmission of power to the sun gear of secondary planet train;
The ring gear outer surface of c, secondary planet train is connected with two connection casings respectively by link as the part of casing; Four secondary planet wheel respectively by bearings on the secondary planet frame, the secondary planet frame is positioned to connect in the casing by bearings; The secondary sun gear floats and is provided with, and will move by the secondary planet frame and give the sun gear of third-level planetary train with transmission of power;
The ring gear outer surface of d, third-level planetary train is connected with connection casing, output casing respectively by link as the part of casing; Four third-level planetaries wheel respectively by bearings on the third-level planetary frame, third-level planetary frame two ends are positioned to connect in casing and the output casing by bearings respectively; Three grades of sun gears float and are provided with, and will move and power output by the third-level planetary frame.
Advantage of the present utility model is: utilize gear parameter optimization to realize the high reliability and the long lifetime of transmission; Select for use most effective planetary gear train to realize high efficiency; The ring gear outer surface directly as the part of casing, and is adopted the four lines star-wheel with slow speed turbine stage, therefore dwindled radial dimension greatly, realize the purpose of small volume; Guaranteed whole transmission stiffness of the present utility model by gear teeth parameter designing, planet carrier and housing structure design.
Description of drawings:
Fig. 1 is that master of the present utility model cuts open structural representation.
Embodiment
As shown in the figure, rocket movable launcher reducer with small volume and large torque described in the utility model comprises casing, input bevel gear pair and third-level planetary train of gearings, it is characterized in that:
1 of the input bevel gear shaft of a, input bevel gear pair extends casing, bevel gear wheel 2 is installed on 3 of the one-level sun gears, input bevel gear shaft 1 and 3 bearings by front and back of one-level sun gear are positioned to import in the casing 18, and by 3 of one-level sun gears will move with transmission of power to the one-level planetary gear train;
Ring gear 9 outer surfaces of c, secondary planet train are connected with connection casing 17, connection casing 16 respectively by link as the part of casing; Connect with the one-level planetary gear train by connecting casing 17, connect with the third-level planetary train by connecting casing 16; Four secondary planet wheel 8 respectively by bearings on secondary planet frame 10, secondary planet frame 10 is positioned to connect in the casing 17,16 by bearings; Secondary sun gear 7 floats and is provided with, and all carries to reach four secondary planet wheels 8, will move by secondary planet frame 10 and give the sun gear 11 of third-level planetary train with transmission of power;
The ring gear 14 of d, third-level planetary train is connected with connection casing 16, output casing 15 respectively by link as the part of casing, realizes connecting with the secondary planet train; Four third-level planetaries wheel 12 respectively by bearings on third-level planetary frame 13, third-level planetary frame 13 two ends are positioned to connect in casing 16 and the output casing 15 by bearings respectively; Three grades of sun gears 11 float and are provided with, and all carry to reach four third-level planetary wheels 12, will move and power output by third-level planetary frame 13.
Claims (1)
1. a rocket movable launcher reducer with small volume and large torque comprises input, output casing (18,15), input bevel gear pair and the third-level planetary train of gearings of being made up of sun gear, planet wheel, planet carrier, ring gear respectively; It is characterized in that:
The input bevel gear shaft (1) of a, described input bevel gear pair extends outside input casing (18) sidewall; The bevel gear wheel (2) of input bevel gear pair is installed on one-level sun gear (3) axle, input bevel gear shaft (1) and one-level sun gear (3) axle is positioned to import in the casing (18) by bearings, and by one-level sun gear (3) axle will move with transmission of power to the one-level planetary gear train;
The ring gear of b, one-level planetary gear train (5) outer surface connects with input casing (18), connection casing (17) respectively by link mutually as the part of casing; Three one-level planet wheels (4) respectively by bearings on primary planet carrier (6), primary planet carrier (6) float to be provided with, by primary planet carrier (6) will move and transmission of power to the sun gear (7) of secondary planet train;
The ring gear of c, secondary planet train (9) outer surface is connected with connection casing (17), connection casing (16) respectively by link as the part of casing; Four secondary planet wheel (8) respectively by bearings on secondary planet frame (10), secondary planet frame (10) is positioned to connect in the casing (17,16) by bearings; Secondary sun gear (7) floats and is provided with, and will move by secondary planet frame (10) and give the sun gear (11) of third-level planetary train with transmission of power;
The ring gear of d, third-level planetary train (14) outer surface is connected with connection casing (16), output casing (15) respectively by link as the part of casing; Four third-level planetaries wheel (12) respectively by bearings on third-level planetary frame (13), third-level planetary frame (13) two ends are positioned to connect casing (16) by bearings respectively and export in the casing (15); Three grades of sun gears (11) float and are provided with, and will move and power output by third-level planetary frame (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202240729U CN201535344U (en) | 2009-10-13 | 2009-10-13 | Small-volume large-torque decelerator for rocket-launching movable platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202240729U CN201535344U (en) | 2009-10-13 | 2009-10-13 | Small-volume large-torque decelerator for rocket-launching movable platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535344U true CN201535344U (en) | 2010-07-28 |
Family
ID=42535123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202240729U Expired - Lifetime CN201535344U (en) | 2009-10-13 | 2009-10-13 | Small-volume large-torque decelerator for rocket-launching movable platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201535344U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2542689C2 (en) * | 2013-07-01 | 2015-02-20 | Денис Борисович Дубинин | Multiple grenade |
| CN110388420A (en) * | 2019-08-22 | 2019-10-29 | 南京高精齿轮集团有限公司 | A kind of gear-box of vertical output |
-
2009
- 2009-10-13 CN CN2009202240729U patent/CN201535344U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2542689C2 (en) * | 2013-07-01 | 2015-02-20 | Денис Борисович Дубинин | Multiple grenade |
| CN110388420A (en) * | 2019-08-22 | 2019-10-29 | 南京高精齿轮集团有限公司 | A kind of gear-box of vertical output |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100728 |
|
| CX01 | Expiry of patent term |