CN203239908U - First-stage planetary carrier - Google Patents
First-stage planetary carrier Download PDFInfo
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- CN203239908U CN203239908U CN 201320274267 CN201320274267U CN203239908U CN 203239908 U CN203239908 U CN 203239908U CN 201320274267 CN201320274267 CN 201320274267 CN 201320274267 U CN201320274267 U CN 201320274267U CN 203239908 U CN203239908 U CN 203239908U
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- planetary carrier
- stage planetary
- central hole
- wheel carrier
- planetary wheel
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Abstract
The utility model belongs to the technical field of hydraulic transmission equipment accessories, and particularly relates to a first-stage planetary carrier. The first-stage planetary carrier solves the technical problems that the design in the prior art is not reasonable enough and the like. The first-stage planetary carrier comprises a body which is in the shape of a disk, a central hole is formed in the center of the body, and a plurality of through holes which are evenly distributed and located in the periphery of the central hole are formed in the body. The first-stage planetary carrier is characterized in that an annular locating step which is located at the position of an orifice of one end of the central hole is arranged inside the central hole, an inner spline is arranged inside the central hole, and the two ends of each spline tooth of the inner spline are provided with chamfering faces respectively. Compared with the prior art, the first-stage planetary carrier has the advantages of being more reasonable in design, simple in structure, easy to manufacture and easy to install and disassemble. In addition, the inner spline can prevent circumferential rotation, and the first-stage planetary carrier is very high in structural strength and long in service life.
Description
Technical field
The utility model belongs to hydraulic transmission equipment accessory technical field, especially relates to a kind of chopped-off head planetary wheel carrier.
Background technique
Hydraulic transmission is the kind of drive of coming transferring energy and controlling as working medium with liquid.Hydraulic transmission and Pneumatic Transmission are called Fluid-transmission, are according to the 17th century emerging technology growing up of the hydrostatic pressure transmission principle that proposes of Pascal, are a special kind of skill of widely using in the industrial and agricultural production.Nowadays, the height of Fluid-transmission technical merit has become the important symbol of a national Industry Development Level.The chopped-off head planetary wheel carrier generally comprises support body, is provided with center hole at the support body center, also is provided with some through holes on support body; There is following defective existing chopped-off head planetary wheel carrier in it: and be difficult between the planet wheel installing, and not firm with the linkage structure after the planet wheel shaft assembling, circumferentially to rotate easily, working life is short.
For this reason, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of planetary reducer [application number: CN200420035777.3] with axial buffer device, it includes centre pinion, planetary pinion, planetary wheel carrier, ring gear, the centre pinion inner termination is installed on the planetary wheel carrier end cap by bearing, equally distributed planetary pinion is installed on the planetary wheel carrier by little axle, planetary pinion inboard with centre pinion on the engagement of sun tooth, the outside and ring gear engagement, it is characterized in that between the end cap of the interior edge face of centre pinion and planetary wheel carrier axial force alleviation separator being housed.Above-mentioned scheme has been improved prior art to a certain extent, but at least also there is following defective in this scheme: planetary wheel carrier is difficult for installing and the location, occurs easily circumferentially to rotate, and in addition, structural strength is low, and working life is short.
The model utility content
The purpose of this utility model is for the problems referred to above, provides a kind of difficult generation circumferentially to rotate, and is easy to install the chopped-off head planetary wheel carrier high with structural strength.
For achieving the above object, the utility model has adopted following technical proposal: this chopped-off head planetary wheel carrier, comprise body in the form of annular discs, be provided with center hole at the body center, be provided with some even distributions and be positioned at the through hole of center hole periphery at body, it is characterized in that, be provided with the circular orientation step that is positioned at one stomidium mouth place in the described center hole, in center hole, be provided with internal spline, and the two ends of each key tooth of this internal spline are respectively equipped with chamfer surface.Obviously, the utility model design is more reasonable, and simple in structure and easy manufacturing is easy to installation and removal, and in addition, internal spline can prevent circumferential rotation, and whole structural strength is very high, and working life is longer, can reduce user cost.
In above-mentioned chopped-off head planetary wheel carrier, described through hole is stepped.The convenient installation.
In above-mentioned chopped-off head planetary wheel carrier, described body is made by metallic material.Comprise 40Cr etc. material.
Compared with prior art, the advantage of this chopped-off head planetary wheel carrier is: it is more reasonable to design, simple in structure and easy manufacturing, be easy to installation and removal, in addition, internal spline can prevent circumferential rotation, and whole structural strength is very high, and working life is longer, can reduce user cost.
Description of drawings
Fig. 1 is the structural representation that the utility model provides.
Among the figure, body 1, center hole 11, through hole 12, circular orientation step a, internal spline b, chamfer surface b ＇.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, this chopped-off head planetary wheel carrier comprises body in the form of annular discs 1, this body 1 is made by metallic material, be provided with center hole 11 at body 1 center, be provided with some even distributions and be positioned at the through hole 12 of center hole 11 peripheries at body 1, in center hole 11, be provided with the circular orientation step a that is positioned at one stomidium mouth place, in center hole 11, be provided with internal spline b, and the two ends of each key tooth of this internal spline b are respectively equipped with chamfer surface b ＇.Obviously, the present embodiment design is more reasonable, and simple in structure and easy manufacturing is easy to installation and removal, in addition, internal spline b can prevent circumferential rotation, and whole structural strength is very high, working life is longer, can reduce user cost, meets the trend of current social technical development.
Specifically, the through hole 12 of present embodiment is stepped.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as body 1, center hole 11, through hole 12, circular orientation step a, internal spline b, chamfer surface b ＇, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (3)
1. chopped-off head planetary wheel carrier, comprise body in the form of annular discs (1), be provided with center hole (11) at body (1) center, be provided with some even distributions and be positioned at the peripheral through hole (12) of center hole (11) at body (1), it is characterized in that, be provided with the circular orientation step (a) that is positioned at one stomidium mouth place in the described center hole (11), in center hole (11), be provided with internal spline (b), and the two ends of each key tooth of this internal spline (b) are respectively equipped with chamfer surface (b ＇).
2. chopped-off head planetary wheel carrier according to claim 1 is characterized in that, described through hole (12) is stepped.
3. chopped-off head planetary wheel carrier according to claim 1 is characterized in that, described body (1) is made by metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320274267 CN203239908U (en) | 2013-05-16 | 2013-05-16 | First-stage planetary carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320274267 CN203239908U (en) | 2013-05-16 | 2013-05-16 | First-stage planetary carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239908U true CN203239908U (en) | 2013-10-16 |
Family
ID=49317208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320274267 Expired - Fee Related CN203239908U (en) | 2013-05-16 | 2013-05-16 | First-stage planetary carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203239908U (en) |
-
2013
- 2013-05-16 CN CN 201320274267 patent/CN203239908U/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: 20131016 Termination date: 20150516 |
|
| EXPY | Termination of patent right or utility model |