CN203272713U - Spiral bevel gear used in cooperation with cultivator speed reducing mechanism - Google Patents
Spiral bevel gear used in cooperation with cultivator speed reducing mechanism Download PDFInfo
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- CN203272713U CN203272713U CN 201320305981 CN201320305981U CN203272713U CN 203272713 U CN203272713 U CN 203272713U CN 201320305981 CN201320305981 CN 201320305981 CN 201320305981 U CN201320305981 U CN 201320305981U CN 203272713 U CN203272713 U CN 203272713U
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- bevel gear
- spiral bevel
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- cultivator
- speed reducing
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Abstract
The utility model belongs to the technical field of agricultural machinery, and particularly relates to a spiral bevel gear used in cooperation with a cultivator speed reducing mechanism. The spiral bevel gear used in cooperation with the cultivator speed reducing mechanism solves the problems that the design in the prior art is not reasonable enough. The spiral bevel gear used in cooperation with the cultivator speed reducing mechanism comprises a bevel gear body, wherein arc-shaped teeth are evenly distributed on the bevel gear body. A tapered surface extending inwards and downwards is arranged on the outer side of one end, away from the arc-shaped teeth, of the bevel gear; a central hole is formed in the axial center of the bevel gear body; an annular step is arranged on an end hole, away from the arc-shaped teeth, in the central hole; a positioning structure is arranged on the annular step. Compared with the prior art, the spiral bevel gear used in cooperation with the cultivator speed reducing mechanism has the advantages of being more reasonable in design, being more compact in structure and capable of satisfying using requirements because installment space is reduced by the tapered surface and being high in structural strength; furthermore, because the spiral bevel gear used in cooperation with the cultivator speed reducing mechanism is simple in structure, the manufacturing process is simple, and accordingly production cost is reduced; the spiral bevel gear used in cooperation with the cultivator speed reducing mechanism is firmly fixed and does no easily rotate circumferentially.
Description
Technical field
The utility model belongs to the agricultural machinery technical field, especially relates to a kind of spiral bevel gear of supporting cultivator reducing gear.
Background technique
As everyone knows, gear is the vitals in transmission device, and gear is a kind of common mechanical parts, and its structural type is varied, as various forms such as spur wheel, angular gear, bevel gear, worm screw and spiral bevel gears, be widely used in the every field in production, life.At present, the commonplace power transmission mechanism that adopts on farm machinery mainly contains gear transmission, gear has and minute column gear transmission and Bevel Gear Drive, Bevel Gear Drive both can change the direction of transmission of power, can change simultaneously the rotating speed of power output, cultivator is to complete cultivation machinery cultivated, the rake operation with tractor.Because it has the characteristics such as the hack ability is strong, cultivated rear earth's surface is smooth, and be widely used.Mostly Placement between gear generally is the intermeshing structure of teeth, it is high that it has a velocity ratio, the advantages such as connective stability is good, at present, in existing cultivator, what be connected with the reducing gear of cultivator is generally to adopt spiral bevel gear, it has the advantages such as transmission stability is good, but there is following shortcoming in existing spiral bevel gear: volume is larger, cause the waste (structure is not compact) of installing space, manufacture process is loaded down with trivial details and consuming time longer, in addition, fixing not firm, easily circumferentially rotate.
The problem that exists in order to solve prior art, people have carried out long-term exploration, have proposed solution miscellaneous.For example, Chinese patent literature discloses a kind of compound gear [application number: 200820161696.6], and it is made of jointly spiral bevel gear and involute combination gear.The involute combination gear is located in the spiral bevel gear inner chamber and is coaxial, and involute is in conjunction with tooth spiral bevel gear left side from left to right, and eventually to interior edge face, its diameter is less than spiral bevel gear small end root circle.
Such scheme has improved the subproblem of prior art to a certain extent, but still exist: the loaded down with trivial details length consuming time of manufacture process, the not compact and fixing technical problem such as not firm of structure.
The model utility content
The purpose of this utility model is for the problems referred to above, and a kind of compact structure is provided, the spiral bevel gear of the fixed and supporting cultivator reducing gear that is easy to make.
For achieving the above object, the utility model has adopted following technical proposal: the spiral bevel gear of this supporting cultivator reducing gear, the bevel gear body that comprises some even distributed arc teeth, it is characterized in that, be provided with the conical surface that extends internally down outside the end of described bevel gear body away from described arc teeth, be provided with center hole in the bevel gear axon to the center, a stomidium mouth place that is positioned in center hole away from described arc teeth is provided with ring-shaped step, and described ring-shaped step is provided with position structure.Obviously, the utility model design is more reasonable, and conical surface has dwindled installing space, structure is compacter, can satisfy usage requirement equally, structural strength is high, in addition, it is simple in structure, manufacture process is just fairly simple like this, thereby has reduced cost of production, and is secondly fixed, be difficult for circumferentially rotating, meet the trend of current social technical development.
In the spiral bevel gear of above-mentioned supporting cultivator reducing gear, described position structure comprises the internal spline that is arranged on the ring-shaped step sidewall.Structural strength is high, connects simple and convenient.
In the spiral bevel gear of above-mentioned supporting cultivator reducing gear, described internal spline surface roughness is Ra0.8, and the number of teeth is octadentate.
In the spiral bevel gear of above-mentioned supporting cultivator reducing gear, described center hole two ends are respectively equipped with chamfering.The convenient installation.
In the spiral bevel gear of above-mentioned supporting cultivator reducing gear, be respectively equipped with chamfer surface at the two ends of each arc teeth.
Compared with prior art, the advantage of the spiral bevel gear of this supporting cultivator reducing gear is: it is more reasonable to design, and conical surface has dwindled installing space, structure is compacter, can satisfy usage requirement equally, structural strength is high, in addition, it is simple in structure, manufacture process is just fairly simple like this, thereby has reduced cost of production, and is secondly fixed, be difficult for circumferentially rotating, meet the trend of current social technical development.
Description of drawings
Fig. 1 is the structural representation that the utility model provides.
In figure, bevel gear body 1, arc teeth 11, conical surface 12, center hole 13, chamfering 13a, ring-shaped step 14, internal spline 14a.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the spiral bevel gear of this supporting cultivator reducing gear comprises the bevel gear body 1 of some even distributed arc teeth 11, two ends in each arc teeth 11 are respectively equipped with chamfer surface, be provided with the conical surface 12 that extends internally down outside the end of bevel gear body 1 away from described arc teeth 11, be provided with center hole 13 in bevel gear body 1 axial centre, be respectively equipped with chamfering 13a at center hole 13 two ends, a stomidium mouth place that is positioned in center hole 13 away from described arc teeth 11 is provided with ring-shaped step 14, and described ring-shaped step 14 is provided with position structure.Obviously, the present embodiment design is more reasonable, and conical surface has dwindled installing space, structure is compacter, can satisfy usage requirement equally, structural strength is high, in addition, it is simple in structure, manufacture process is just fairly simple like this, thereby has reduced cost of production, and is secondly fixed, be difficult for circumferentially rotating, meet the trend of current social technical development.
Specifically, the position structure of the present embodiment comprises the internal spline 14a that is arranged on ring-shaped step 14 sidewalls.Further, the internal spline 14a surface roughness here is Ra0.8, and the number of teeth is octadentate.
Specific embodiment described herein is only 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 bevel gear body 1, arc teeth 11, conical surface 12, center hole 13, chamfering 13a, ring-shaped step 14, internal spline 14a, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (5)
1. the spiral bevel gear of a supporting cultivator reducing gear, the bevel gear body (1) that comprises some even distributed arc teeth (11), it is characterized in that, be provided with the conical surface (12) that extends internally down outside the end of described bevel gear body (1) away from described arc teeth (11), be provided with center hole (13) in bevel gear body (1) axial centre, a stomidium mouth place that is positioned in center hole (13) away from described arc teeth (11) is provided with ring-shaped step (14), and described ring-shaped step (14) is provided with position structure.
2. the spiral bevel gear of supporting cultivator reducing gear according to claim 1, is characterized in that, described position structure comprises the internal spline (14a) that is arranged on ring-shaped step (14) sidewall.
3. the spiral bevel gear of supporting cultivator reducing gear according to claim 2, is characterized in that, described internal spline (14a) surface roughness is Ra0.8, and the number of teeth is octadentate.
4. the spiral bevel gear of according to claim 1 and 2 or 3 described supporting cultivator reducing gears, is characterized in that, described center hole (13) two ends are respectively equipped with chamfering (13a).
5. the spiral bevel gear of according to claim 1 and 2 or 3 described supporting cultivator reducing gears, is characterized in that, is respectively equipped with chamfer surface at the two ends of each arc teeth (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320305981 CN203272713U (en) | 2013-05-30 | 2013-05-30 | Spiral bevel gear used in cooperation with cultivator speed reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320305981 CN203272713U (en) | 2013-05-30 | 2013-05-30 | Spiral bevel gear used in cooperation with cultivator speed reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272713U true CN203272713U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320305981 Expired - Fee Related CN203272713U (en) | 2013-05-30 | 2013-05-30 | Spiral bevel gear used in cooperation with cultivator speed reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272713U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276133A (en) * | 2014-06-19 | 2016-01-27 | 王仁方 | Arc bevel gear |
| CN107725697A (en) * | 2017-11-30 | 2018-02-23 | 山东众钧机电设备技术有限公司 | A kind of spiral bevel gear changement |
-
2013
- 2013-05-30 CN CN 201320305981 patent/CN203272713U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276133A (en) * | 2014-06-19 | 2016-01-27 | 王仁方 | Arc bevel gear |
| CN107725697A (en) * | 2017-11-30 | 2018-02-23 | 山东众钧机电设备技术有限公司 | A kind of spiral bevel gear changement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20140530 |