CN201916441U - Gyration speed reducer - Google Patents
Gyration speed reducer Download PDFInfo
- Publication number
- CN201916441U CN201916441U CN2010206926010U CN201020692601U CN201916441U CN 201916441 U CN201916441 U CN 201916441U CN 2010206926010 U CN2010206926010 U CN 2010206926010U CN 201020692601 U CN201020692601 U CN 201020692601U CN 201916441 U CN201916441 U CN 201916441U
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- hydraulic motor
- break
- oil hydraulic
- brake
- rotary reducer
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Abstract
The utility model relates to a gyration speed reducer. The gyration speed reducer comprises a valve bank, a hydraulic motor, a brake and a planetary reduction mechanism, wherein the brake is arranged above the planetary reduction mechanism and is connected with the planetary reduction mechanism, the hydraulic motor is arranged above the brake and is connected with the brake, the valve bank is arranged above the hydraulic motor and is connected with the hydraulic motor, and the valve bank is connected with the brake. The gyration reduction mechanism has strong impact resistant capacity, high carrying capacity, a long service life and a compact structure. A gyration work platform is stable to work and accurate to position; the contact surface of gears can be increased, the carrying capacity of the gears can be improved, the running reliability, high efficiency and low noise of the entire machine can be guaranteed, and the gyration speed reducer is applicable to excavator, automobile and caterpillar cranes, port and ship cranes and the like with worse work conditions.
Description
Technical field
The utility model relates to a kind of rotary reducer, belongs to the transmission device field.
Background technique
Rotary reducer is a kind of power transmission that is applied between oil hydraulic motor and the pivoting support, because planetary reduction gear has characteristics such as compact structure, volume are little, easy to process, therefore is widely used in during hydraulic pressure rotates.The valve group of existing rotary reducer mainly is by bidirectional balanced valve, bidirectional relief valve and shuttle valve, is characterized in that shock-absorbing capacity is poor, and the cost height makes the location and the shock resistance effect of revolution working platform undesirable, fragile; The output planetary frame adopts the planet carrier means of fixation usually, and the surface of contact of this structure gear can reduce, thereby influences bearing capacity.
The model utility content
The utility model provides a kind of rotary reducer at existing rotary reducer above shortcomings.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of rotary reducer comprises valve group, oil hydraulic motor, break and planetary gear speed reducing mechanism, described break is arranged on the top of planetary gear speed reducing mechanism and links to each other with planetary gear speed reducing mechanism, described oil hydraulic motor is arranged on the top of break and links to each other with break, described valve group is arranged on the top of oil hydraulic motor and links to each other with oil hydraulic motor, and described valve group links to each other with break.
The beneficial effects of the utility model are: the utility model rotary reducer strong shock resistance, bearing capacity height, working life for a long time and compact structure, revolution working platform stable working, the location accurately; Increase the surface of contact of gear, improve the bearing capacity of gear, guaranteed complete machine operational reliability, high efficiency and low noise, be applicable to the abominable excavator of operating mode, automobile and crawler crane, harbour and boats and ships hoist etc.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described oil hydraulic motor is that rotating speed is the high-speed motor of 2500r/min～3500r/min.
Further, described break comprises disc type friction plate, oil cylinder axle, brake axle, braking sleeve and spring, described oil hydraulic motor comprises motor output shaft, described motor output shaft is connected with brake axle, the quiet movable friction plate of described disc type is connected with braking sleeve with brake axle respectively, described oil cylinder axle by spring compression on the quiet movable friction plate of disc type, thereby produce braking force.
Further, described planetary gear speed reducing mechanism comprises floating between sun gear and the planet carrier and connects that split type by described motor output shaft and planet carrier, output shaft adopts selfaligning roller bearing to fix, planet carrier adopts involute splines to be connected with output shaft, guarantees its join strength.
Description of drawings
Fig. 1 is the structural representation of the utility model rotary reducer.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Fig. 1 is the structural representation of the utility model rotary reducer.As shown in Figure 1, described rotary reducer comprises valve group 1, oil hydraulic motor 2, break 3 and planetary gear speed reducing mechanism 4, described break 3 is arranged on the top of planetary gear speed reducing mechanism 4 and links to each other with planetary gear speed reducing mechanism 4, described oil hydraulic motor 2 is arranged on the top of break 3 and links to each other with break 3, described valve group 1 is arranged on the top of oil hydraulic motor 2 and links to each other with oil hydraulic motor 2, and described valve group 1 links to each other with break 3.
Described valve group comprises trimmer valve, one-way valve and time-delay valve.Described oil hydraulic motor is that rotating speed is the high-speed motor of 2500r/min～3500r/min.Described break comprises disc type friction plate, oil cylinder axle, brake axle, braking sleeve and spring, described oil hydraulic motor comprises motor output shaft, described motor output shaft is connected with brake axle, the quiet movable friction plate of described disc type is connected with braking sleeve with brake axle respectively, described oil cylinder axle by spring compression on the quiet movable friction plate of disc type, thereby produce braking force.
Described planetary gear speed reducing mechanism comprises floating between sun gear and the planet carrier and connects, split type by described motor output shaft and planet carrier, output shaft adopts selfaligning roller bearing to fix, planet carrier adopts involute splines to be connected with output shaft, guarantee its join strength, and reduce because the radial force that load is subjected to.
The valve group of the utility model rotary reducer is mainly by trimmer valve, and compositions such as one-way valve and time-delay valve are characterized in strong shock resistance, have repairing, prevents functions such as motor suction sky; Oil hydraulic motor adopts high-speed motor, and its efficient height is stable; Break is mainly formed with disc type friction plate, oil cylinder axle, spring, plays parking brake function; Planetary gear speed reducing mechanism adopts sun gear and planet carrier ralocatable mode, can effectively increase the gear surface of contact.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. rotary reducer, it is characterized in that, described rotary reducer comprises valve group, oil hydraulic motor, break and planetary gear speed reducing mechanism, described break is arranged on the top of planetary gear speed reducing mechanism and links to each other with planetary gear speed reducing mechanism, described oil hydraulic motor is arranged on the top of break and links to each other with break, described valve group is arranged on the top of oil hydraulic motor and links to each other with oil hydraulic motor, and described valve group links to each other with break.
2. rotary reducer according to claim 1 is characterized in that, described oil hydraulic motor is that rotating speed is the high-speed motor of 2500r/min～3500r/min.
3. rotary reducer according to claim 1, it is characterized in that, described break comprises disc type friction plate, oil cylinder axle, brake axle, braking sleeve and spring etc., described oil hydraulic motor comprises motor output shaft, described motor output shaft is connected with brake axle, the quiet movable friction plate of described disc type is connected with braking sleeve with brake axle respectively, described oil cylinder axle by spring compression on the quiet movable friction plate of disc type.
4. rotary reducer according to claim 1 is characterized in that, described planetary gear speed reducing mechanism comprises floating between sun gear and the planet carrier and connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206926010U CN201916441U (en) | 2010-12-31 | 2010-12-31 | Gyration speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206926010U CN201916441U (en) | 2010-12-31 | 2010-12-31 | Gyration speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201916441U true CN201916441U (en) | 2011-08-03 |
Family
ID=44416238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206926010U Expired - Fee Related CN201916441U (en) | 2010-12-31 | 2010-12-31 | Gyration speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201916441U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115124A (en) * | 2013-03-04 | 2013-05-22 | 宁波新宏液压有限公司 | Planet gear speed reducer with clutch device |
| CN104246083A (en) * | 2012-04-26 | 2014-12-24 | 神钢建机株式会社 | Construction machine drive device |
| CN112483496A (en) * | 2020-11-13 | 2021-03-12 | 宁波卡桑尼液压传动有限公司 | Hydraulic control slewing gear of static pile press and control method thereof |
-
2010
- 2010-12-31 CN CN2010206926010U patent/CN201916441U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104246083A (en) * | 2012-04-26 | 2014-12-24 | 神钢建机株式会社 | Construction machine drive device |
| US9487930B2 (en) | 2012-04-26 | 2016-11-08 | Kobelco Construction Machinery Co., Ltd. | Drive device for construction machine |
| CN104246083B (en) * | 2012-04-26 | 2017-06-09 | 神钢建机株式会社 | The drive device of engineering machinery |
| CN103115124A (en) * | 2013-03-04 | 2013-05-22 | 宁波新宏液压有限公司 | Planet gear speed reducer with clutch device |
| CN103115124B (en) * | 2013-03-04 | 2015-06-17 | 宁波新宏液压有限公司 | Planet gear speed reducer with clutch device |
| CN112483496A (en) * | 2020-11-13 | 2021-03-12 | 宁波卡桑尼液压传动有限公司 | Hydraulic control slewing gear of static pile press and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO ZONI GREAT HYDRAULIC COMPANY LIMITED Free format text: FORMER OWNER: DENG KAIZHONG Effective date: 20120614 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120614 Address after: 315100 No. 6 East Avenue, Ningbo Free Trade Zone, Zhejiang, Ningbo Patentee after: Zoni Great Hydraulic Limited Company Address before: 315100 No. 6 East Avenue, Ningbo Free Trade Zone, Ningbo, Zhejiang Patentee before: Deng Kaizhong |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20111231 |