CN101254781A - Outer-brake rotary planetary gear speed reducing mechanism - Google Patents
Outer-brake rotary planetary gear speed reducing mechanism Download PDFInfo
- Publication number
- CN101254781A CN101254781A CNA2008100178738A CN200810017873A CN101254781A CN 101254781 A CN101254781 A CN 101254781A CN A2008100178738 A CNA2008100178738 A CN A2008100178738A CN 200810017873 A CN200810017873 A CN 200810017873A CN 101254781 A CN101254781 A CN 101254781A
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- Prior art keywords
- level
- spoke
- internally toothed
- sun wheel
- toothed annulus
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- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- Retarders (AREA)
Abstract
The invention belongs to the field of mechanical transmission, in particular to an out brake rotary planetary decelerating mechanism used for the technical vehicle wheel driving. The invention is characterized in that a hydraulic motor (1) is connected with the outside of the frame (2); a spring set (3) and a piston (4) compress a friction plate component (7); power is transmitted to the planetary decelerator through a spline housing (17) which is connected with the hydraulic motor output shaft (19); the planetary decelerating mechanism is connected with a spoke (8); the friction plate component (7) is arranged on the lateral side of a connecting frame between the spoke (8) and the frame (2) and is close to the spoke (8); the friction plate component (7) is connected with the piston (4), of which the other end is communicated with a high pressure oil port (5); the hydraulic motor output shaft(19) rotates through a bearing(18) connected with the frame(2) to drive the rotation of the spoke(8) which is connected with the planetary decelerating mechanism and also the rotation of wheels. With compact structure and reliable safety performance, the out brake rotary planetary decelerating mechanism is a low-speed output end.
Description
Technical field
The invention belongs to mechanical transmission fields, the outer-brake rotary planetary gear speed reducing mechanism on particularly a kind of wheel drive that is applied to engineering truck.
Background technology
The wheel drive of domestic existing engineering truck is final transmission of parallel-axes gears or planetary gear type, brake mode is at a high speed level input shaft braking, and can brake when stopping, and can not be used for service brake, and because this brake mode power-transfer clutch is installed on the high speed level input shaft, heating is serious.
Summary of the invention
The purpose of this invention is to provide a kind of compact conformation, the safe and reliable low speed turbine stage mouth outer-brake rotary formula planetary gear speed reducing mechanism of performance, and realize the target of driving dynamic brake.
The object of the present invention is achieved like this, a kind of outer-brake rotary planetary gear speed reducing mechanism, it is characterized in that: be connected with HM Hydraulic Motor in the vehicle frame outside, spring assembly, piston compress friction plate assembly, and power is via reaching planetary reducer with hydraulic motor output shaft bonded assembly spline housing, and planetary reducer connects spoke, the link span outside between spoke and vehicle frame, and there is friction plate assembly the position near spoke, and friction plate assembly is connected with piston, and the piston other end communicates with the high pressure hydraulic fluid port; Hydraulic motor output shaft is by rotating at vehicle frame bonded assembly bearing, and then the spoke rotation that is connected with planetary reducer of drive, thereby together with wheel.
Described planetary reducer comprises secondary internally toothed annulus, secondary planet frame, secondary planet wheel, primary planet carrier, one-level satellite gear, one-level sun wheel shaft, secondary sun wheel, one-level internally toothed annulus; One-level sun wheel shaft in the planetary reducer is connected with spline housing, one-level sun wheel shaft outer end and the engagement of one-level satellite gear, one-level satellite gear and the engagement of one-level internally toothed annulus, one-level internally toothed annulus and secondary internally toothed annulus constitute the primary planet pinion driving device by bolted connection by one-level sun wheel shaft, one-level satellite gear, primary planet carrier; Primary planet carrier and the socket of secondary sun wheel, secondary sun wheel and the engagement of secondary planet wheel, secondary planet is taken turns by bearing installation on the secondary planet frame; Constitute the secondary planetary gear driving device by secondary sun wheel, secondary planet wheel, secondary planet frame and secondary internally toothed annulus; Secondary internally toothed annulus and spoke pass through bolted connection then.
Characteristics of the present invention are: retarder integral body is connected on the vehicle frame, when retarder is worked, high pressure oil enters through hydraulic fluid port, in the fully enclosed annular space, piston and spring assembly are compressed, friction lining is in the separation free state at this moment, HM Hydraulic Motor is started working, power is shunted through the one-level planetary transmission, a part reaches the one-level internally toothed annulus, another part reaches the secondary planet transmission, pinion carrier is in stationary state, power is by the secondary sun wheel, secondary planet wheel engagement reaches on the secondary internally toothed annulus, and drives spoke and rotate with the one-level internally toothed annulus back of confluxing, and then together with wheel.In the vehicle ' process, hydraulic efficiency pressure system can according to circumstances pressurize, discharge and be chain to realize the driving dynamic brake with HM Hydraulic Motor.
Description of drawings
The present invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the outer-brake rotary planetary gear speed reducing mechanism structural representation;
Fig. 2 is an outer-brake rotary planetary reducer structure schematic diagram.
Among the figure: 1, HM Hydraulic Motor; 2, vehicle frame; 3, spring assembly; 4, piston; 5, high pressure hydraulic fluid port; 6, casing; 7, friction plate assembly; 8, spoke; 9, secondary internally toothed annulus; 10, secondary planet frame; 11, secondary planet wheel; 12, primary planet carrier; 13, one-level satellite gear; 14, one-level sun wheel shaft; 15, secondary sun wheel; 16, one-level internally toothed annulus; 17, spline housing; 18, bearing; 19, hydraulic motor output shaft.
The specific embodiment
As shown in Figure 1, be connected with HM Hydraulic Motor 1 in vehicle frame 2 outsides, HM Hydraulic Motor 1 provides power, and spring assembly 3, piston 4 compress (braking) with friction plate assembly 7.When retarder is worked, high pressure oil enters through hydraulic fluid port 5, in a fully enclosed annular space, piston 4 and spring assembly 3 are compressed, friction plate assembly 7 is in released state at this moment, HM Hydraulic Motor 1 is started working, power is via reaching planetary reducer with hydraulic motor output shaft 19 bonded assembly spline housings 17, planetary reducer connects spoke 8, the link span outside between spoke 8 and vehicle frame 2, and there is friction plate assembly 7 position near spoke 8, there is casing 6 in the outside of friction plate assembly 7, and friction plate assembly 7 is connected with piston 4, and piston 4 other ends communicate with high pressure hydraulic fluid port 5.Hydraulic motor output shaft 19 is by rotating at vehicle frame 2 bonded assembly bearings 18, and then spoke 8 rotations that are connected with planetary reducer of drive, thereby together with wheel.
Can there be one to understand more clearly to Fig. 1 by Fig. 2.Planetary reducer comprises secondary internally toothed annulus 9, secondary planet frame 10, secondary planet wheel 11, primary planet carrier 12, one-level satellite gear 13, one-level sun wheel shaft 14, secondary sun wheel 15, one-level internally toothed annulus 16; One-level sun wheel shaft 14 in the planetary reducer is connected with spline housing 17, one-level sun wheel shaft 14 outer ends and 13 engagements of one-level satellite gear, one- level satellite gear 13 and 16 engagements of one-level internally toothed annulus, one-level internally toothed annulus 16 passes through bolted connection with secondary internally toothed annulus 9, constitutes the primary planet pinion driving device by one-level sun wheel shaft 14, one-level satellite gear 13, primary planet carrier 12; Primary planet carrier 12 and 15 sockets of secondary sun wheel, secondary sun wheel 15 and 11 engagements of secondary planet wheel, secondary planet wheel 11 by bearing installation on secondary planet frame 10; Constitute the secondary planetary gear transmission device by secondary sun wheel 15, secondary planet wheel 11, secondary planet frame 10 and secondary internally toothed annulus 9; Secondary internally toothed annulus 9 and spoke 8 bolt togethers then.
Working process of the present invention is: retarder integral body is connected on the vehicle frame 2, and HM Hydraulic Motor 1 provides power, and spring assembly 3, piston 4 compress (braking) with friction plate assembly 7.When retarder is worked, high pressure oil enters through high pressure hydraulic fluid port 5, in a fully enclosed annular space, piston 4 and spring assembly 3 are compressed, friction lining is in the separation free state at this moment, HM Hydraulic Motor 1 is started working, power reaches one-level sun wheel shaft 14 via spline housing 17, through one-level planetary transmission (one-level satellite gear 13, one-level internally toothed annulus 16) shunting, a part reaches one-level internally toothed annulus 16, another part reaches secondary planet transmission (secondary sun wheel 15 through primary planet carrier 12, secondary planet wheel 11, secondary internally toothed annulus 9), pinion carrier is in stationary state, power is by secondary sun wheel 15,11 engagements of secondary planet wheel reach on the secondary internally toothed annulus 9, and drive spoke 8 and rotate, and then together with wheel with one-level internally toothed annulus 16 back of confluxing.In the vehicle ' process, hydraulic efficiency pressure system can according to circumstances pressurize, discharge and be chain to realize the driving dynamic brake with HM Hydraulic Motor.
Be not described in detail part among the above embodiment, belong to the known technology and the equipment of the industry or relevant industries, or employing is industrial practice.
Claims (2)
1, a kind of outer-brake rotary planetary gear speed reducing mechanism, it is characterized in that: be connected with HM Hydraulic Motor (1) in vehicle frame (2) outside, spring assembly (3), piston (4) compress friction plate assembly (7), power is via reaching planetary reducer with hydraulic motor output shaft (19) bonded assembly spline housing (17), planetary reducer connects spoke (8), the link span outside between spoke (8) and vehicle frame (2), and there is friction plate assembly (7) position near spoke (8), friction plate assembly (7) is connected with piston (4), and piston (4) other end communicates with high pressure hydraulic fluid port (5); Hydraulic motor output shaft (19) is by rotating at vehicle frame (2) bonded assembly bearing (18), and then spoke (8) rotation that is connected with planetary reducer of drive, thereby together with wheel.
2, a kind of outer-brake rotary planetary gear speed reducing mechanism according to claim 1 is characterized in that: described planetary reducer comprises secondary internally toothed annulus (9), secondary planet frame (10), secondary planet wheel (11), primary planet carrier (12), one-level satellite gear (13), one-level sun wheel shaft (14), secondary sun wheel (15), one-level internally toothed annulus (16); One-level sun wheel shaft (14) in the planetary reducer is connected with spline housing (17), one-level sun wheel shaft (14) outer end and one-level satellite gear (13) engagement, one-level satellite gear (13) and one-level internally toothed annulus (16) engagement, one-level internally toothed annulus (16) passes through bolted connection with secondary internally toothed annulus (9), constitutes the primary planet pinion driving device by one-level sun wheel shaft (14), one-level satellite gear (13), primary planet carrier (12); Primary planet carrier (12) and secondary sun wheel (15) socket, secondary sun wheel (15) and secondary planet wheel (11) engagement, secondary planet wheel (11) by bearing installation on secondary planet frame (10); Constitute the secondary planetary gear driving device by secondary sun wheel (15), secondary planet wheel (11), secondary planet frame (10) and secondary internally toothed annulus (9); Secondary internally toothed annulus (9) passes through bolted connection with spoke (8) then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100178738A CN101254781B (en) | 2008-04-02 | 2008-04-02 | Outer-brake rotary planetary gear speed reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100178738A CN101254781B (en) | 2008-04-02 | 2008-04-02 | Outer-brake rotary planetary gear speed reducing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101254781A true CN101254781A (en) | 2008-09-03 |
| CN101254781B CN101254781B (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100178738A Expired - Fee Related CN101254781B (en) | 2008-04-02 | 2008-04-02 | Outer-brake rotary planetary gear speed reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101254781B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315027A (en) * | 2014-10-16 | 2015-01-28 | 奇瑞汽车股份有限公司 | Lock-up clutch |
| CN113492304A (en) * | 2021-09-07 | 2021-10-12 | 龙口市江达汽车配件有限公司 | Assembly system convenient to brake disc is installed and is torn open |
| CN116690190A (en) * | 2023-08-04 | 2023-09-05 | 盛瑞传动股份有限公司 | Planet row assembling process |
-
2008
- 2008-04-02 CN CN2008100178738A patent/CN101254781B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315027A (en) * | 2014-10-16 | 2015-01-28 | 奇瑞汽车股份有限公司 | Lock-up clutch |
| CN104315027B (en) * | 2014-10-16 | 2016-08-17 | 奇瑞汽车股份有限公司 | A kind of lock-up clutch |
| CN113492304A (en) * | 2021-09-07 | 2021-10-12 | 龙口市江达汽车配件有限公司 | Assembly system convenient to brake disc is installed and is torn open |
| CN116690190A (en) * | 2023-08-04 | 2023-09-05 | 盛瑞传动股份有限公司 | Planet row assembling process |
| CN116690190B (en) * | 2023-08-04 | 2023-10-31 | 盛瑞传动股份有限公司 | Planet row assembling process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101254781B (en) | 2010-08-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA NATIONAL HEAVY MACHINERY RESEARCH INSTITUTE Free format text: FORMER NAME: CHINA HEAVY MACHINERY INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |
Address after: 710032 Shaanxi city in Xi'an province Xin Jiamiao Xi'an Heavy Machinery Research Institute Patentee after: CHINA NATIONAL HEAVY MACHINERY RESEARCH INSTITUTE Co.,Ltd. Patentee before: China National Heavy Machinery Research Institute Co.,Ltd. Address before: 710032 Shaanxi city in Xi'an province Xin Jiamiao Xi'an Heavy Machinery Research Institute |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |