CN205371472U - Wheel limit structure and operation machinery of planet gear , leveler - Google Patents
Wheel limit structure and operation machinery of planet gear , leveler Download PDFInfo
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- CN205371472U CN205371472U CN201620142326.2U CN201620142326U CN205371472U CN 205371472 U CN205371472 U CN 205371472U CN 201620142326 U CN201620142326 U CN 201620142326U CN 205371472 U CN205371472 U CN 205371472U
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- gear
- ring gear
- planetary reduction
- housing
- reduction gear
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Abstract
The utility model provides a wheel limit structure and operation machinery of planet gear, leveler. The utility model provides a planet gear, include: ring gear and the casing that is used for installing the ring gear, in the casing is located to the internal tooth snare, and be provided with at least one hole between the interior week of the periphery of ring gear and casing, downthehole installing is used for making ring gear and the casing complex round pin that splines. Adopt the utility model provides a planet gear has simplified the manufacturing process of ring gear and casing, has reduced the processing degree of difficulty of spare part, is favorable to improving machining efficiency and reduce cost.
Description
Technical field
This utility model relates to a kind of planetary reduction gear, the wheel limit structure of land leveller and Work machine.
Background technology
Planetary reduction gear plays to slow down between power intake and clutch end and increases the effect turned round, and volume is little, compact conformation, bearing capacity big, is used widely in the wheel limit structure of engineering machinery vehicle.Planetary reduction gear mainly includes ring gear, planet carrier, planetary gear and sun gear, and planetary gear is arranged in the planet axis of planet carrier, and engages cooperation with sun gear and ring gear simultaneously.The power of planetary reduction gear is generally inputted by sun gear, by fixing ring gear or planet carrier so that power is by planet carrier or ring gear output.
The planetary reduction gear being exported power by ring gear needs to be fixed on power output shaft by ring gear by structures such as lock rings, and structure is complicated, not easily installs and cost is high.Ring gear is fixed on the housing of planetary reduction gear by the planetary reduction gear being exported power by planet carrier, structure is relatively simple, be easily installed, cost is relatively low, and the wheel limit structure being arranged in planetary reduction gear not homonymy at power input shaft and power output shaft has a wide range of applications.
By the planetary reduction gear of planet carrier output power in prior art, the typical structure that its ring gear is fixed is: is arranged with gear ring outside housing and supports, and external splines is set on the periphery of housing, the inner circumferential that gear ring supports is provided with the internal spline that the external splines with housing periphery matches；Ring gear is sheathed on outside gear ring support, the periphery that gear ring supports is provided with external splines, the inner circumferential of ring gear is provided with the internal spline that the external splines supported with gear ring matches, supports by this gear ring and connect ring gear and housing the circumferential registration being realized ring gear by spline.Adopting the circumferential registration mode of this kind of ring gear, the complex manufacturing technology of ring gear and housing, working (machining) efficiency is low, is unfavorable for reducing cost.In addition it is also necessary to additionally use the element such as snap ring, back-up ring to realize the axial location of gear ring support and ring gear, assembling process is loaded down with trivial details.
Utility model content
This utility model aims to solve the problem that the said one or multiple problem that exist in prior art.
On the one hand, this utility model provides a kind of planetary reduction gear, including: ring gear with for installing the housing of ring gear；Ring gear is sheathed in housing, and is provided with at least one hole between the periphery of ring gear and the inner circumferential of housing, is provided with the pin for making ring gear coordinate with housing spline in hole.
Further, the axis in hole is paralleled with the axis of ring gear.
Further, hole is multiple, and multiple holes are circumferentially evenly arranged；It is mounted on pin in each hole.
Further, hole is rounded.
Further, the first end of ring gear extend in housing, and pin is in the second end access aperture of ring gear；The stage portion spacing for the first end to ring gear it is provided with in housing.
Further, ring gear and housing interference fit.
The planetary reduction gear that this utility model provides, the circumferential registration of its ring gear is achieved in that providing holes between the periphery and the inner circumferential of housing of ring gear, and in hole mounting pin, make ring gear coordinate with housing spline by pin, it is achieved the circumferential registration of ring gear.The planetary reduction gear adopting this utility model to provide, simplifies the manufacturing process of ring gear and housing, reduces the difficulty of processing of parts, is conducive to improving working (machining) efficiency and reducing cost.
On the other hand, this utility model additionally provides the wheel limit structure of a kind of land leveller, including Drive axle housing；The main reducing gear being positioned at Drive axle housing and the planetary reduction gear driven by main reducing gear, planetary reduction gear adopts above-mentioned planetary reduction gear.
Further, planetary reduction gear also includes: sun gear, planet carrier, planetary gear；Sun gear is driven by power input shaft, and planet carrier is connected with power output shaft by spline；Power output shaft drives with the duplex chain wheel in land leveller tandem-driving bogie and is connected.
Further, power input shaft and sun gear are integral type structure.
Another aspect, this utility model additionally provides a kind of Work machine, is provided with above-mentioned planetary reduction gear.
Accompanying drawing explanation
Embodiment of the present utility model is further described hereinafter with reference to accompanying drawing, in the accompanying drawings:
Fig. 1 illustrates that the master of the planetary reduction gear that this utility model embodiment provides looks sectional structure；
Fig. 2 illustrates the partial side structure of the planetary reduction gear that this utility model embodiment provides.
Detailed description of the invention
Figures 1 and 2 show that the structure of the planetary reduction gear that this utility model embodiment provides.By in Fig. 1 it can be seen that this planetary reduction gear includes: the structures such as sun gear 52, planetary gear 3, planet axis 4, planet carrier 6, ring gear 2 and housing 1.Sun gear 52 can be driven by power input shaft 51, and engages cooperation with planetary gear 3.Preferably, sun gear 52 and power input shaft 51 can be integral type structure, it is also possible to be split-type structural and connected by spline.Planet axis 4 is arranged on planet carrier 6, and planetary gear 3 is supported by planet axis 4.Ring gear 2 is sheathed in housing 1, and specifically, ring gear 2 is installed in the installing hole of housing 1, and engages cooperation with planetary gear 3.Planet carrier 6 is such as connected with power output shaft 7 by spline.
In conjunction with Fig. 2 it can be seen that be provided with at least one hole between periphery and the inner circumferential of housing 1 of the ring gear 2 of the planetary reduction gear of the present embodiment offer, that is, this hole is arranged on the intersection of ring gear 2 periphery and housing 1 inner circumferential.Being provided with pin 8 in hole, pin 8 is used for making ring gear 2 coordinate with housing 1 spline, it is not necessary to the parts such as additional designs gear ring support, can realize the circumferential registration of ring gear 2, simple in construction.Adopting the circumferential registration mode of the ring gear 2 provided in this utility model embodiment, simplify structure and the manufacturing process of ring gear 2 and housing 1, reduce the difficulty of processing of parts, the assembling of the two is also easy to implement, and is conducive to improving working (machining) efficiency and reducing cost.During the work of this planetary reduction gear, power is inputted and passes to sun gear 52 by power input shaft 51, after planetary gear 3 reduces rotating speed, increases moment of torsion, by planet carrier 6 by spline output to power output shaft 7, and then it being transferred to equipment, the transmittance process of power is reliable and stable.
Preferably, ring gear 2 and housing 1 are interference fit, ring gear 2 is directly fitted in housing 1 by interference fit, so not only make ring gear 2 and housing 1 in conjunction with relatively reliable, and interference fit self can also realize the axial location of ring gear 2, also just need not additionally be arranged to the elements such as the snap ring of axial support, back-up ring, further simplify structure, be beneficial to assembling.
In the present embodiment, the axis for the hole of mounting pin 8 is preferably paralleled with the axis of ring gear 2, is so not only easy to processing hole, and when being assembled in housing 1 by ring gear 2, ring gear 2 can also be played installation guide effect by pin 8.Preferably, the hole for mounting pin 8 is multiple, and multiple holes are circumferentially evenly arranged, and the pin 8 being arranged in each hole is provided commonly for the circumferential registration of ring gear 2, and the spline effect of ring gear 2 is more reliable.Being appreciated that in other embodiments, multiple holes can not also be evenly distributed in the circumferential direction, but according to design requirement location arrangements.Preferably, each hole is rounded, and certainly, in other embodiments, the shape of cross section in hole can also be other configurations.
By in Fig. 1 and 2 it can also be seen that the first end of ring gear 2 extend in housing 1, pin 8 is in the second end access aperture of ring gear 2.Preferably, in housing 1, the stage portion 11 spacing for the first end to ring gear 2 it is provided with.By arranging stage portion 11, it is simple to quickly determine being seated of ring gear 2.
Industrial applicibility
During the planetary reduction gear work that this utility model embodiment provides, power is inputted and passes to sun gear 52 by power input shaft 51, after planetary gear 3 reduces rotating speed, increases moment of torsion, by planet carrier 6 by spline output to power output shaft 7, and then it being transferred to equipment, the transmittance process of power is reliable and stable.Adopting the circumferential registration mode of the ring gear 2 provided in this utility model embodiment, simplify structure and the manufacturing process of ring gear 2 and housing 1, reduce the difficulty of processing of parts, the assembling of the two is also easy to implement, and is conducive to improving working (machining) efficiency and reducing cost.
The planetary reduction gear that this utility model embodiment provides, is particularly suited in the wheel limit structure of engineering machinery vehicle, for instance, it is applied in the wheel limit structure of land leveller.
Land leveller is the major mechanical in earth work for shaping and leveling operation, is widely used in the large-area Land leveling operation such as highway, airport.The Drive axle housing of land leveller and the tandem-driving bogie being installed on Drive axle housing two ends substantially constitute H type structure.Mainly being provided with a main reducing gear being positioned at middle part in driving axle for land leveller axle housing and be positioned at the planetary reduction gear of the main reducing gear left and right sides, this planetary reduction gear can adopt the planetary reduction gear that this utility model embodiment provides.The outfan of main reducing gear is used for driving power input shaft 51, after this planetary reduction gear slows down and increases torsion, power is exported by power output shaft 7, power output shaft 7 extend in adjacent tandem-driving bogie, for driving the duplex chain wheel in tandem-driving bogie, duplex chain wheel imparts power to the simple chainwheel coaxially connected with land leveller wheel by chain, it is achieved the movement of land leveller.
The planetary reduction gear provided because of this utility model embodiment has the above technique effect, and therefore, application has the wheel limit structure of the land leveller of this planetary reduction gear also should possess corresponding technique effect, does not repeat them here.
It should be noted that, although this planetary reduction gear wheel limit structure to be applied to land leveller in this utility model embodiment, it is appreciated that the range of application of this planetary reduction gear is not limited to the wheel limit structure of engineering machinery vehicle, it is also possible to be applied in other structures being suitable for.
This utility model embodiment additionally provides a kind of Work machine, and this Work machine is provided with above-mentioned planetary reduction gear.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, to those skilled in the art, it is possible to when not necessarily departing from scope of the present utility model, device of the present utility model is made multiple improvement and modification.Those skilled in the art is by considering that the content disclosed in this specification also can obtain other embodiments.This specification and example should be considered only as exemplary, and true scope of the present utility model is by claims and equivalents.
Claims (10)
1. a planetary reduction gear, including: ring gear with for installing the housing of described ring gear；It is characterized in that, described ring gear is sheathed in described housing, and is provided with at least one hole between the inner circumferential of the periphery of described ring gear and described housing, is provided with the pin for making described ring gear coordinate with described housing spline in described hole.
2. planetary reduction gear according to claim 1, it is characterised in that the axis in described hole is paralleled with the axis of described ring gear.
3. planetary reduction gear according to claim 2, it is characterised in that described hole is multiple, multiple described holes are circumferentially evenly arranged；It is mounted on described pin in each described hole.
4. planetary reduction gear according to claim 1, it is characterised in that described hole is rounded.
5. planetary reduction gear according to claim 1, it is characterised in that the first end of described ring gear extend in described housing, described pin enters in described hole from the second end of described ring gear；The stage portion spacing for the first end to described ring gear it is provided with in described housing.
6. planetary reduction gear according to any one of claim 1 to 5, it is characterised in that described ring gear and described housing interference fit.
7. a wheel limit structure for land leveller, including Drive axle housing；The main reducing gear being positioned at described Drive axle housing and the planetary reduction gear driven by described main reducing gear, it is characterised in that described planetary reduction gear adopts the planetary reduction gear according to any one of claim 1 to 6.
8. according to claim 7 take turns limit structure, it is characterised in that described planetary reduction gear also includes: sun gear, planet carrier, planetary gear；Described sun gear is driven by power input shaft, and described planet carrier is connected with power output shaft by spline；Described power output shaft drives with the duplex chain wheel in land leveller tandem-driving bogie and is connected.
9. according to claim 8 take turns limit structure, it is characterised in that described power input shaft and described sun gear are integral type structure.
10. a Work machine, it is characterised in that be provided with the planetary reduction gear according to any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620142326.2U CN205371472U (en) | 2016-02-25 | 2016-02-25 | Wheel limit structure and operation machinery of planet gear , leveler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620142326.2U CN205371472U (en) | 2016-02-25 | 2016-02-25 | Wheel limit structure and operation machinery of planet gear , leveler |
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| Publication Number | Publication Date |
|---|---|
| CN205371472U true CN205371472U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620142326.2U Active CN205371472U (en) | 2016-02-25 | 2016-02-25 | Wheel limit structure and operation machinery of planet gear , leveler |
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| CN (1) | CN205371472U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139875A (en) * | 2017-06-27 | 2019-01-04 | 广东德昌电机有限公司 | Geared system, retarder and actuator |
| CN110757057A (en) * | 2019-10-17 | 2020-02-07 | 天津天海同步科技有限公司 | Anti-off welding structure and process for welding new energy reducer parts |
-
2016
- 2016-02-25 CN CN201620142326.2U patent/CN205371472U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139875A (en) * | 2017-06-27 | 2019-01-04 | 广东德昌电机有限公司 | Geared system, retarder and actuator |
| CN110757057A (en) * | 2019-10-17 | 2020-02-07 | 天津天海同步科技有限公司 | Anti-off welding structure and process for welding new energy reducer parts |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |