CN202251901U - Planet plate structure in planetary gear reduction box - Google Patents
Planet plate structure in planetary gear reduction box Download PDFInfo
- Publication number
- CN202251901U CN202251901U CN2011203394702U CN201120339470U CN202251901U CN 202251901 U CN202251901 U CN 202251901U CN 2011203394702 U CN2011203394702 U CN 2011203394702U CN 201120339470 U CN201120339470 U CN 201120339470U CN 202251901 U CN202251901 U CN 202251901U
- Authority
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- China
- Prior art keywords
- planet plate
- planet
- reduction box
- gear
- planetary gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a planet plate structure in planetary gear reduction box be equipped with the internal gear between the front end housing of reducing gear box and the rear end cap, the internal gear links to each other with the output shaft through locating the outer front end housing of bearing, planet board one side in the reducing gear box cooperates with planetary gear, the center of planet board cooperatees with locating the epaxial centre wheel of transmission, centre wheel and planet board pass through spline fit. The planetary plate structure in the planetary gear reduction box has the advantages of ingenious design, simple structure, easy manufacture and popularization, high transmission efficiency and long service life.
Description
Technical field
The utility model relates to retarder, is specifically related to the planet plate structure in a kind of planetary gear reduction box.
Background technique
At present, planetary gear reduction box structure of the prior art generally adopts central gear annular knurl gear to be connected with planet plate circular hole, when some machinery work transmission; Because torsion mainly acts on the central gear, but the surface of contact of the center hole of annular knurl gear on the central gear and planet plate is less, this cooperating structure is easy to skid when transmission; Cause power to pass not pass by; Transmission efficiency is low, and precision is low, and assembling is difficult, the high deficiency of processing cost but also exist.
As stated, existing technology exists following not enough, skids easily during transmission, and transmission efficiency is low, and assembling difficulty and processing cost are high.
The model utility content
The purpose of the utility model is to overcome the defective that exists in the existing technology, provides a kind of cooperation through central gear and planet plate to prevent the planetary gear reduction box that they skid when transmission.
For realizing above-mentioned purpose; The technological scheme of the utility model is the planet plate structure of design in a kind of planetary gear reduction box, between the front cover of said speed reducer and rear end cover, is provided with internal gear, and said internal gear links to each other with output shaft through the front cover outer with being located at bearing; Planet plate one side in the said speed reducer cooperates with planetary pinion; Matching with central gear on being located at transmission shaft in the center of said planet plate, it is characterized in that described central gear and planet plate pass through spline fitted.During work; Transmission shaft with twisting force to central gear; Central gear again through with the cooperation transmission of planet plate, the splined hole interference fit through central gear and planet plate cooperates easy problem of slip with regard to having solved original circular hole, regardless of being single-stage or multistage transmission.And make so original because the annular knurl gear wear that skids and cause, thereby the transmission efficiency that causes indirectly is low, and working life is long etc., and deficiency has also obtained solution; Make this cooperation transmission efficiency high, and can not skid that precision is high; Long service life can reach the effect of permanent use.
Wherein, described central gear hollow, one of which end profile is a gear, the other end profile is the splined shaft shape.
The splined shaft shape profile of the middle heart shape of described planet plate and central gear is suitable.
Described planet plate is provided with the circular hole that 3 120 degree are uniformly distributed with.
The advantage and the beneficial effect of the utility model are: the planet plate structure in this planetary gear reduction box is skillfully constructed, and is simple in structure, make easily and promote, and transmission efficiency is high, long service life.
Description of drawings
Fig. 1 is the composition that hardens of the planet in the utility model planetary gear reduction box;
Fig. 2 is the composition that hardens of the planet in the utility model;
Fig. 3 is a figure A-A sectional view;
Fig. 4 is the central gear structural drawing in the utility model;
Fig. 5 is the plan view of Fig. 4.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is further described.Following examples only are used for more clearly explaining the technological scheme of the utility model, and can not limit the protection domain of the utility model with this.
As shown in Figure 1; The utility model is the planet plate structure in a kind of planetary gear reduction box, between the front cover 4 of said speed reducer and rear end cover 5, is provided with internal gear 6, and said internal gear 6 links to each other with output shaft 7 through the front cover 4 outer with being located at bearing; Planet plate 2 one sides and planetary pinion cooperate; Match with central gear 1 on being located at transmission shaft in its center, described central gear 1 adopts spline fitted with planet plate 2, during work; To central gear, central gear passes through the cooperation transmission with the planet plate to transmission shaft again with twisting force; The exterior edge face of planet plate 2 is circular; Its center is a splined hole 3, central gear 1 hollow, and one of which end profile is a gear; The other end profile connects for the splined shaft shape; The profile of the middle heart shape of planet plate 2 and the splined shaft shape of central gear 1 is suitable, and during cooperation, the spline shape end interference of central gear being deviate from part is pressed in the planet plate center splined hole 3; Also be provided with the circular hole 21 that 3 120 degree are uniformly distributed with on the planet plate 2, these circular holes cooperate through equipped pin and planet wheel cover.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (4)
1. the planet plate structure in the planetary gear reduction box; Between the front cover of said speed reducer and rear end cover, be provided with internal gear; Said internal gear links to each other with output shaft through the front cover outer with being located at bearing, and planet plate one side in the said speed reducer cooperates with planetary pinion, matches with central gear on being located at transmission shaft in the center of said planet plate; It is characterized in that described central gear and planet plate pass through spline fitted.
2. the planet plate structure in the planetary gear reduction box as claimed in claim 1 is characterized in that, described central gear hollow, and one of which end profile is a gear, the other end profile is the splined shaft shape.
3. the planet plate structure in according to claim 1 or claim 2 the planetary gear reduction box is characterized in that the splined shaft shape profile of the middle heart shape of described planet plate and central gear is suitable.
4. the planet plate structure in the planetary gear reduction box as claimed in claim 3 is characterized in that, described planet plate is provided with the circular hole that 3 120 degree are uniformly distributed with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203394702U CN202251901U (en) | 2011-09-08 | 2011-09-08 | Planet plate structure in planetary gear reduction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203394702U CN202251901U (en) | 2011-09-08 | 2011-09-08 | Planet plate structure in planetary gear reduction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202251901U true CN202251901U (en) | 2012-05-30 |
Family
ID=46113144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203394702U Expired - Fee Related CN202251901U (en) | 2011-09-08 | 2011-09-08 | Planet plate structure in planetary gear reduction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202251901U (en) |
-
2011
- 2011-09-08 CN CN2011203394702U patent/CN202251901U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140908 |
|
| EXPY | Termination of patent right or utility model |