CN201531568U - Rocket launch mobile platform support arm reducer - Google Patents
Rocket launch mobile platform support arm reducer Download PDFInfo
- Publication number
- CN201531568U CN201531568U CN2009202240521U CN200920224052U CN201531568U CN 201531568 U CN201531568 U CN 201531568U CN 2009202240521 U CN2009202240521 U CN 2009202240521U CN 200920224052 U CN200920224052 U CN 200920224052U CN 201531568 U CN201531568 U CN 201531568U
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
本实用新型公开了一种火箭发射活动平台支撑臂减速器，包括输入、输出箱体，输入锥齿轮副，三级行星齿轮系；输入锥齿轮副的输入锥齿轮轴延伸出所述输入箱体之外，大锥齿轮安装在一级太阳轮轴上，输入锥齿轮轴和一级太阳轮轴通过轴承支撑定位于输入箱体内；一级内齿圈外表面作为箱体一部分，通过连接件分别与输入箱体，二、三级内齿圈相连接；二、三级内齿圈为整体结构；一级行星轮通过轴承支撑于浮动设置的一级行星架上；二、三级内齿圈外表面作为箱体一部分，两端与输出箱体和一级内齿圈联结；三级行星轮通过轴承支撑于三级行星架上，三级太阳轮浮动设置，通过三级行星架将运动和动力输出。本实用新型优点在于实现高效率、小体积之目的。
The utility model discloses a support arm reducer for a rocket launching movable platform, which comprises an input and output box body, an input bevel gear pair, and a three-stage planetary gear system; the input bevel gear shaft of the input bevel gear pair extends out of the input box body In addition, the large bevel gear is installed on the first-stage sun gear shaft, and the input bevel gear shaft and the first-stage sun gear shaft are positioned in the input box through bearing support; the outer surface of the first-stage inner ring gear is used as a part of the box, and is respectively connected to the input box through connecting pieces. The box body is connected with the second and third stage ring gears; the second and third stage ring gears are integral structures; the first stage planetary gears are supported on the floating first stage planet carrier through bearings; the outer surfaces of the second and third stage ring gears are As a part of the box, both ends are connected with the output box and the first-stage ring gear; the third-stage planetary gear is supported on the third-stage planetary carrier through bearings, and the third-stage sun gear is floating, and the motion and power are output through the third-stage planetary carrier . The utility model has the advantages of realizing the purpose of high efficiency and small volume.
Description
Technical field
The utility model relates to retarder, especially relates to rocket movable launcher supporting arm speed reducer.
Background technique
Rocket movable launcher supporting arm speed reducer must have performances such as 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.The employed speed reducer of China's rocket movable launcher supporting arm is the osculating circle movable teeth reducer at present, belongs to the mobile tooth and small tooth difference transmission.The maximum of this structure retarder allows torque little, and transmission efficiency is low, and therefore η＜70% can not satisfy above-mentioned performance demands fully.
The model utility content
The utility model purpose is to provide a kind of compact structure, transmission efficiency height, rocket movable launcher supporting arm speed reducer that output torque is big.
For achieving the above object, the utility model can be taked following technical proposals:
Rocket movable launcher supporting arm speed reducer 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 described input casing, bevel gear wheel is installed on the one-level sun wheel shaft, input bevel gear shaft and one-level sun wheel shaft are positioned to import in the casing by the bearings of front and back, 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, two, the ring gear of third-level planetary train is connected, ring gear described two, the third-level planetary train is an overall structure; Three one-level planet wheels respectively by bearings on primary planet carrier, primary planet carrier floats and is provided with, all carry to reach three planet wheels, and 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, two, third-level planetary train is as the part of casing, and two ends connect with the ring gear of exporting casing and one-level planetary gear train respectively; Four secondary planet wheel respectively by bearings on the secondary planet frame, secondary planet frame and secondary sun gear float and are provided with, all carry to reach four secondary planet wheels, and by the secondary planet frame will move with transmission of power to three grades of sun gears; Four third-level planetaries wheel respectively by bearings on the third-level planetary frame, in the output casing, three grades of sun gears float and are provided with the third-level planetary frame by bearings, all carry to reach four third-level planetaries wheels, will moves and power is exported by the third-level planetary frame.
The utility model advantage is to utilize gear parameter optimization to realize the high reliability and the long lifetime of transmission; Select for use the high planetary gear train of efficient to realize high efficiency; Described one, two, three ring gear outer surface directly as the part of casing, and is adopted the four lines star-wheel with slow speed turbine stage, dwindled radial dimension greatly; Two, three grades of ring gears are done into a single integrated structurely, adopt the whole planet carrier of single armed, have shortened axial dimension greatly, have realized 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 supporting arm speed reducer described in the utility model comprises input, output casing 16,15, 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;
The input bevel gear shaft 1 of a, described input bevel gear pair extends outside the input casing 16, 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 16, and by 3 of one-level sun gears will move with transmission of power to the one-level planetary gear train;
Ring gear 5 outer surfaces of b, one-level planetary gear train are connected with the ring gear 9,11 of importing casing 16, two, third-level planetary train respectively by link as the part of casing; Two, the ring gear 9,11 of third-level planetary train is an overall structure; Three one-level planet wheels 4 respectively by bearings on primary planet carrier 6, primary planet carrier 6 floats and is provided with, all carry to reach three planet wheels 4, and by primary planet carrier 6 will move and transmission of power to the sun gear 7 of secondary planet train;
Claims (1)
1. a rocket movable launcher supporting arm speed reducer comprises input, output casing (16,15), 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 the described input casing (16), bevel gear wheel (2) is installed on one-level sun gear (3) axle, in the bearings of input bevel gear shaft (1) and one-level sun gear (3) axle by front and back is positioned to import in the casing (16), 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 is as the part of casing, is connected with gear ring (9,11) in input casing (16), two, the third-level planetary train respectively by link; Described two, third-level planetary train ring gear (9,11) is an overall structure; Three one-level planet wheels (4) respectively by bearings on primary planet carrier (6); Primary planet carrier (6) floats and is provided with, and will move by primary planet carrier (6) and give the sun gear (7) of secondary planet train with transmission of power;
The ring gear of c, two, third-level planetary train (9,11) outer surface is as the part of casing, and two ends connect with the ring gear (5) of exporting casing (15) and one-level planetary gear train respectively; Four secondary planet wheel (8) respectively by bearings on secondary planet frame (10); Secondary planet frame (10) and secondary sun gear (7) float to be provided with, by secondary planet frame (10) will move and transmission of power to three grades of sun gears (14); Four third-level planetaries wheel (12) respectively by bearings on third-level planetary frame (13); In output casing (15), three grades of sun gears (14) float and are provided with third-level planetary frame (13) by bearings, will move and power output by third-level planetary frame (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202240521U CN201531568U (en) | 2009-10-13 | 2009-10-13 | Rocket launch mobile platform support arm reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202240521U CN201531568U (en) | 2009-10-13 | 2009-10-13 | Rocket launch mobile platform support arm reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201531568U true CN201531568U (en) | 2010-07-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202240521U Expired - Lifetime CN201531568U (en) | 2009-10-13 | 2009-10-13 | Rocket launch mobile platform support arm reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201531568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672346B (en) * | 2009-10-13 | 2011-04-13 | 郑州机械研究所 | Rocket movable launcher supporting arm speed reducer |
-
2009
- 2009-10-13 CN CN2009202240521U patent/CN201531568U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672346B (en) * | 2009-10-13 | 2011-04-13 | 郑州机械研究所 | Rocket movable launcher supporting arm speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100721 Effective date of abandoning: 20091013 |