CN209345501U - A kind of drive mechanism and rotary cultivator - Google Patents
A kind of drive mechanism and rotary cultivator Download PDFInfo
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- CN209345501U CN209345501U CN201822258766.6U CN201822258766U CN209345501U CN 209345501 U CN209345501 U CN 209345501U CN 201822258766 U CN201822258766 U CN 201822258766U CN 209345501 U CN209345501 U CN 209345501U
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Abstract
The utility model discloses a kind of drive mechanisms, including the splined shaft and spline housing connected by spline, end cap is provided on the inside of spline housing and the end cap is set on the splined shaft, spline housing endface is provided with the first groove of annular configuration, end cap endface is provided with the second groove of annular configuration, annular seal ring is provided in first groove and second groove, sealing ring includes circle body, coaxially arranged inner ring and outer ring are provided on circle body, inner ring height is less than the outer ring height, sealing lip is provided between inner ring and the outer ring, wherein, the circle body is pressed in second groove, the outer ring side is pressed in second groove and the other side extends to first inside grooves, the sealing lip is pressed on the end face of the spline housing.The invention also discloses a kind of rotary cultivators.This programme can either realize the normal transmission between splined shaft and spline housing, and muddy water, mud can effectively be avoided to penetrate into spline pair.
Description
Technical field
The utility model relates to agricultural mechanical fields, more specifically, in particular to a kind of drive mechanism and rotary cultivator.
Background technique
With the development of modern science and technology, obtained greatly in Chinese traditional agriculture by the situation of ox arable land human eeded
Improvement, various agricultural machinery also start among extensive utilization to agricultural production.Rotary cultivator is then that one kind can be ploughed, harrow work
Industry, can be to the cultivation machinery that soil is overturn, and the reversal rate of rotary cultivator is very fast, while the hack ability of rotary cultivator is non-
Chang Qiang, the soil surface after ploughing and weeding is all relatively flat, and it can also shred and be embedded in earth's surface root stubble below, convenient for subsequent
Production operation, can apply fertilizer for the later period, sowing provide good kind of bed, therefore, rotary cultivator is using more and more extensive.
To realize that the cutting in soil is rolled, the knife rolling driven by driving mechanism, existing skill are typically provided on rotary cultivator
In art, for the transmitting for realizing large torque, it is provided with external splines on the splined shaft connected in driving mechanism, the flower for knife rolling installation
Internal spline, external splines and internal spline transmission connection is provided in the axis hole of key set to spend to be formed between driving mechanism and knife rolling
Key connection.In practical operation, interior external splines often brings friction when transmitting torque, and when rotary tillage process, spline pair can be direct
With sandy soil, muddy water, mud contacts, muddy water, mud is caused to penetrate into the abrasion that spline pair accelerates spline pair, usual rotary tillage process 200-
300 mu, splined shaft and spline housing must be replaced, in this way, both need to spend a large amount of manpower and material resources maintenance replacement splined shafts and spline housing,
Production cost is significantly increased again.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of drive mechanism, which is set by its structure
Meter, can either realize the normal transmission between splined shaft and spline housing, and muddy water, mud can effectively be avoided to penetrate into spline pair.
A kind of drive mechanism is provided with end on the inside of the spline housing including the splined shaft and spline housing connected by spline
It covers and the end cap is set on the splined shaft, the spline housing endface is provided with the first groove of annular configuration, described
End cap endface is provided with the second groove of annular configuration, is provided with annular seal in first groove and second groove
Circle, the sealing ring includes circle body, and coaxially arranged inner ring and outer ring are provided on the circle body, and the inner ring height is less than institute
Outer ring height is stated, is provided with sealing lip between the inner ring and the outer ring, wherein the circle body is pressed on second groove
Interior, the outer ring side is pressed in second groove and the other side extends to first inside grooves, the sealing lip
It is pressed on the end face of the spline housing.
Preferably, the outer ring and first groove are clearance fit.
Preferably, the outer ring and second groove are interference fit.
Preferably, the sealing lip is preset with 1mm to 0.8mm decrement.
Preferably, flange sleeve is provided on the outside of the spline housing.
Preferably, O-ring seals are provided between the flange sleeve and the spline housing.
The utility model additionally provides a kind of rotary cultivator, and transmission knot described in above-mentioned any one is equipped on the rotary cultivator
Structure.
The beneficial effects of the utility model are: the drive mechanism provided by the utility model and rotary cultivator it is specific in use,
Outer ring and the first groove have cooperatively formed labyrinth type protective barrier together, can be very good to completely cut off extraneous bulky grain pollute impurity into
Enter, while sealing lip is pressed on the end face composition second protective barrier of spline housing, so as to completely cut off extraneous mud, mud completely
Water, sand enter the junction of splined shaft and spline housing, so that remaining good lubricant environment at spline, substantially prolong
The service life of splined shaft and spline housing.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the overall mechanism schematic diagram of drive mechanism provided by the utility model embodiment；
Fig. 2 is the structural scheme of mechanism of sealing ring provided by the utility model embodiment.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.
Based on the embodiment in the application, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present application.
In the description of the present invention, it is to be understood that, the instructions such as term " inside ", " outside ", " left side ", " right side "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
Referring to Fig. 1 to Fig. 2, Fig. 1 to Fig. 2 provides a kind of specific embodiment of drive mechanism of the present invention, wherein Fig. 1 is
The overall mechanism schematic diagram of drive mechanism provided by the utility model embodiment；Fig. 2 is provided by the utility model embodiment
Sealing ring structural scheme of mechanism.
As shown in Figure 1 to Figure 2, the drive mechanism provided by the utility model can effectively prevent mud, muddy water, sand and enter
The junction of splined shaft and spline housing.The drive mechanism includes splined shaft 1, spline housing 2, end cap 3, sealing ring 4.
In the present solution, the drive mechanism includes the splined shaft 1 and spline housing 2 connected by spline 7.It is applied particularly to rotary tillage
When machine, splined shaft 1 is mutually sequentially connected with peripheral hardware driving mechanism, and spline housing 2 is mutually fixedly connected with the rolling of peripheral hardware knife, peripheral hardware driving mechanism
When drive splined shaft 1 rotates, splined shaft 1 drives spline housing 2 to rotate synchronously by spline 7, and spline housing 2 is dynamic with moving knife rolling in turn
Farmland is stirred in cutting.In addition, gearbox adjustment speed can also be arranged between splined shaft 1 and peripheral hardware driving mechanism.
In the present solution, being provided with end cap 3 on the inside of spline housing 2 and the end cap 3 is set on the splined shaft 1.This implementation
It is 2 right side of spline housing in attached drawing on the inside of spline housing 2 in example attached drawing.Specifically, the joint of spline housing 2 and both end caps 3 is close
The key position of envelope, because spline housing 2 is generally rotated together with splined shaft 1 in use process, and end cap 3 is remain stationary, the two
Between one be moving part and another be quiet part, mud, muddy water, sand are easiest to penetrate into from this position, therefore are sealing herein
Crucial place and the utility model emphasis improvements.
In the present solution, being 2 left side of spline housing in attached drawing on the outside of spline housing 2, in the present embodiment, it is provided on the outside of spline housing 2
The flange sleeve 5 that can be rotated together with spline housing 2 is provided with O-ring seals 6 between the flange sleeve 5 and the spline housing 5.
Since flange sleeve 5 itself rotates together with spline housing 2, keep relatively quiet between O-ring seals 6 and flange sleeve 5 and spline housing 2
Only, therefore, O-ring seals 6 can be effectively prevented mud, muddy water, sand with flange sleeve 5 together and penetrate on the outside of spline housing 2.
In the present solution, 2 endface of spline housing is provided with the first groove 201 of annular configuration, 3 endface of the end cap setting
There is the second groove 301 of annular configuration.Specifically, the first groove 201 is arranged in the right end face of spline housing 2 in attached drawing, and second
The left end face of end cap 3 is arranged in groove 301.
In the present solution, being provided with annular seal ring 4, annular seal ring 4 in the first groove 201 and second groove 301
For preventing mud, muddy water, sand etc. from entering from spline 7 from spline housing 2 and the gap of end cap 3 between the two.Specifically, this reality
The sealing ring 4 for applying example offer includes circle body 401, and coaxially arranged inner ring 402 and outer ring 403, institute are provided on the circle body 401
It states 402 height of inner ring and is less than 403 height of outer ring, be provided with sealing lip 404 between the inner ring 402 and the outer ring 403,
Wherein, the circle body 401 is pressed in second groove 301, and 403 side of outer ring is pressed on second groove 301
The interior and other side extends to inside first groove 201, and the sealing lip 404 is pressed on the end face of the spline housing 2.It is attached
Sealing lip 404 is pressed in the right end face of spline housing 2 in figure.
When specifically used, outer ring 403 and the first groove 201 have cooperatively formed labyrinth type protective barrier together, can be fine
The isolation external world bulky grain pollution impurity enter, while sealing lip 404 be pressed on spline housing 2 end face constitute second protecting screen
Barrier, so as to completely cut off the junction that extraneous mud, muddy water, sand enter splined shaft 1 and spline housing 2 completely, so that beginning at spline 7
Good lubricant environment is kept eventually, substantially prolongs the service life of splined shaft 1 and spline housing 2.
In the present embodiment, to avoid spline housing 2 from causing 403 excessive wear of outer ring when rotating, it is preferable that the outer ring 403
It is clearance fit with first groove 201.
In the present embodiment, to prevent mud, muddy water, sand from penetrating between sealing ring 4 and end cap 3, it is preferable that described outer
Circle 403 is interference fit with second groove 301.
In the present embodiment, it is preferable that the sealing lip 404 is preset with 1mm to 0.8mm decrement.In this way, can effectively mend
Repay the abrasion in use, it is ensured that sealing lip 404 can be pressed on always on the end face of spline housing 2.
The utility model additionally provides a kind of rotary cultivator, and transmission knot described in above-mentioned any one is equipped on the rotary cultivator
Structure.
A kind of drive mechanism provided by the utility model and rotary cultivator are described in detail above.It is used herein
Specific case is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help
Understand the method and its core concept of the utility model.It should be pointed out that for those skilled in the art,
Under the premise of not departing from the utility model principle, several improvements and modifications can be made to this utility model, these improve and
Modification is also fallen into the protection scope of the utility model claims.
Claims (7)
1. a kind of drive mechanism, which is characterized in that including the splined shaft and spline housing connected by spline, on the inside of the spline housing
It is provided with end cap and the end cap is set on the splined shaft, it is first recessed to be provided with annular configuration for the spline housing endface
Slot, the end cap endface are provided with the second groove of annular configuration, are provided in first groove and second groove
Annular seal ring, the sealing ring include circle body, and coaxially arranged inner ring and outer ring are provided on the circle body, and the inner ring is high
Degree is less than the outer ring height, is provided with sealing lip between the inner ring and the outer ring, wherein the circle body is pressed on described
In second groove, the outer ring side is pressed in second groove and the other side extends to first inside grooves, institute
Sealing lip is stated to be pressed on the end face of the spline housing.
2. drive mechanism according to claim 1, which is characterized in that match with first groove for gap the outer ring
It closes.
3. drive mechanism according to claim 1, which is characterized in that match with second groove for interference the outer ring
It closes.
4. drive mechanism according to claim 1, which is characterized in that the sealing lip is preset with 1mm to 0.8mm compression
Amount.
5. drive mechanism according to claim 1, which is characterized in that be provided with flange sleeve on the outside of the spline housing.
6. drive mechanism according to claim 5, which is characterized in that be provided between the flange sleeve and the spline housing
O-ring seals.
7. a kind of rotary cultivator, which is characterized in that be equipped with the claims 1 on the rotary cultivator to claim 6 any one
The drive mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822258766.6U CN209345501U (en) | 2018-12-29 | 2018-12-29 | A kind of drive mechanism and rotary cultivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822258766.6U CN209345501U (en) | 2018-12-29 | 2018-12-29 | A kind of drive mechanism and rotary cultivator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209345501U true CN209345501U (en) | 2019-09-06 |
Family
ID=67801993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822258766.6U Active CN209345501U (en) | 2018-12-29 | 2018-12-29 | A kind of drive mechanism and rotary cultivator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209345501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833188A (en) * | 2019-11-22 | 2021-05-25 | 襄阳中车电机技术有限公司 | Dynamic sealing structure capable of maintaining shaft end of driving motor |
| CN113632603A (en) * | 2021-08-18 | 2021-11-12 | 安徽宏翔农业机械有限公司 | Speed change mechanism of rotary cultivator |
-
2018
- 2018-12-29 CN CN201822258766.6U patent/CN209345501U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833188A (en) * | 2019-11-22 | 2021-05-25 | 襄阳中车电机技术有限公司 | Dynamic sealing structure capable of maintaining shaft end of driving motor |
| CN113632603A (en) * | 2021-08-18 | 2021-11-12 | 安徽宏翔农业机械有限公司 | Speed change mechanism of rotary cultivator |
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