CN205371535U - Cam disc - Google Patents
Cam disc Download PDFInfo
- Publication number
- CN205371535U CN205371535U CN201620044358.9U CN201620044358U CN205371535U CN 205371535 U CN205371535 U CN 205371535U CN 201620044358 U CN201620044358 U CN 201620044358U CN 205371535 U CN205371535 U CN 205371535U
- Authority
- CN
- China
- Prior art keywords
- cam disc
- hole
- disk body
- cam
- dogtooth
- 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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- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses a cam disc, for axle sleeve form disk structure, including the disk body, this disk body central point puts and is equipped with a first through -hole, and is should first through -hole outside around a plurality of second through -holes, and this second through -hole equipartition is on the disk body, and cam disc passes through first through -hole and second through -hole linkage gearbox. Disk body outer fringe equipartition has a plurality of dogtooths, and the lower terminal surface of this dogtooth all is equipped with the locating piece, for the axial positioning structure between cam disc and the meshing part. The dogtooth is equallyd divide and is do not located the radial direction of cam disc, has reduced cam disc axial direction's size. Cam disc does with the mating surface of meshing part the side of dogtooth, two sides of this dogtooth are asymmetric cam surface. The utility model discloses it is rational in infrastructure, thus reducing wear improves life, and difficult and meshing part takes place the adhesion kills the phenomenon, and has reduced axial direction's size, has saved cam disc axial direction's space, makes the structure compacter.
Description
Technical field
This utility model relates to a kind of cam disc structure, is specifically related to the cam disc structure on a kind of agricultural harvester change speed gear box.
Background technology
Along with the fast development of China's rural economy, coming into operation of agricultural harvester, greatly alleviate the labor intensity of peasant.Agricultural harvester is when actually used, because of farm work circumstance complication, it is easy to cause the abrasion of carrying parts.Cam disc is the main load bearing element on harvester gear box, and the camming surface angle on existing cam disc is identical, fits with engaging elements comprehensively, and during both engaging frictions, frictional force is relatively big, and abrasion is very fast mutually；Under bigger load, cam disc is meshed when part rubs and is susceptible to the phenomenon that adhesion is killed mutually, affects the harvester normal operation in field；And double wedge on existing cam disc is uniform at axle head, is located at axial direction, takies the space of more axial direction when cam disc and engaging elements assembly work.
Utility model content
The technical problems to be solved in the utility model is for the deficiencies in the prior art, it is provided that the cam disc in axial direction space is killed, saved to a kind of will not sticking together when rubbing with engaging elements.
The technical solution adopted in the utility model is:
A kind of cam disc, for sleeve-like disk-shaped structure, it is characterized in that: include disk body, this disk body center is provided with first through hole, this the first through hole external rings is around the second some through holes, and this second through hole is distributed on disk body, cam disc is by described first through hole and the second through hole linkage change speed gear box.Described disk body outer rim is evenly equipped with some double wedges, and the lower surface of this double wedge is equipped with locating piece, and this locating piece is the axial positioning structure between cam disc and engaging elements.Described double wedge is located at cam disc radial direction respectively, reduces the size of cam disc axial direction.The side that the field of conjugate action is described double wedge of cam disc and engaging elements, two sides of this double wedge are Unsymmetrical cam face, and the side camming surface angle a1 of double wedge is 51 ° more than opposite side camming surface angle a2, a1, and a2 is 45 °.The cam surface that angle is less is not exclusively fitted engaging elements, and make will not stick together when cam disc and engaging elements friction the phenomenon killed under bigger load.And decrease the contact surface of the less cam surface of angle and engaging elements, and can reduce frictional force each other when cam disc and engaging elements friction, thus the abrasion that minimizing is each other, raising service life.
Described cam disc material adopts 20CrMnTi, and heat treatment mode adopts carburizing and quenching, and case hardness is 79～83HRA.
Described second through hole is screwed hole, and screw thread carries out Anti-seeping technology.
This utility model is rational in infrastructure, decrease the abrasion between engaging elements thus improving service life, not easily stick together with engaging elements and kill phenomenon, cam disc is convenient with engaging elements assembling location, and reduce the size of axial direction, save the space of cam disc axial direction, make more compact structure.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model；
Fig. 2 is left view of the present utility model；
Fig. 3 is the B-B sectional view to expansion of Fig. 1；
Illustrate: 1-the first through hole, 2-the second through hole, 3-double wedge, 4-locating piece, 5-disk body.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Cam disc shown in accompanying drawing, for sleeve-like disk-shaped structure, including disk body (5), this disk body (5) center is provided with first through hole (1), this the first through hole (1) external rings is around some the second through holes (2), and this second through hole (2) is distributed on disk body (5), cam disc is by described first through hole (1) and the second through hole (2) linkage change speed gear box.Described disk body (5) outer rim is evenly equipped with some double wedges (3), the lower surface of this double wedge (3) is equipped with locating piece (4), for the axial positioning structure between cam disc and engaging elements, this locating piece (4) simple in construction, facilitates cam disc and engaging elements assembling location.Described double wedge (3) is located at cam disc radial direction respectively, reduces the size of cam disc axial direction, makes more compact structure.The side that the field of conjugate action is described double wedge (3) of cam disc and engaging elements, two sides of this double wedge (3) are asymmetric convex wheel face, the side camming surface angle a1 of double wedge (3) is 51 ° more than opposite side camming surface angle a2, a1, and a2 is 45 °.The cam surface that angle is less is not exclusively fitted engaging elements, and make will not stick together when cam disc and engaging elements friction the phenomenon killed under bigger load.And decrease the contact surface of the less cam surface of angle and engaging elements, and can reduce frictional force each other when cam disc and engaging elements friction, thus the abrasion that minimizing is each other, raising service life.
Described cam disc material adopts 20CrMnTi, and heat treatment mode adopts carburizing and quenching, and case hardness is 79～83HRA.
Described second through hole (2) is screwed hole, and screw thread carries out Anti-seeping technology.
The above only have expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation, improvement and replacement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (5)
1. a cam disc, for sleeve-like disk-shaped structure, it is characterized in that: include disk body, this disk body center is provided with the first through hole, and this first through hole external rings is around the second some through holes, and this second through hole is distributed on disk body, described disk body outer rim is evenly equipped with some double wedges, this double wedge is all located at cam disc radial direction, and two sides of each double wedge are asymmetrical cam surface, and lower surface is equipped with locating piece.
2. a kind of cam disc according to claim 1, it is characterised in that: the side camming surface angle a1 of described double wedge is 51 °, and opposite side camming surface angle a2 is 45 °.
3. a kind of cam disc according to claim 1, it is characterised in that: described cam plate surface hardness is 79～83HRA, and material adopts 20CrMnTi.
4. a kind of cam disc according to claim 1, it is characterised in that: described second through hole is screwed hole, and quantity is 6.
5. a kind of cam disc according to claim 1, it is characterised in that: described double wedge quantity is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620044358.9U CN205371535U (en) | 2016-01-18 | 2016-01-18 | Cam disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620044358.9U CN205371535U (en) | 2016-01-18 | 2016-01-18 | Cam disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371535U true CN205371535U (en) | 2016-07-06 |
Family
ID=56278859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620044358.9U Expired - Fee Related CN205371535U (en) | 2016-01-18 | 2016-01-18 | Cam disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033244A (en) * | 2017-12-15 | 2018-05-15 | 苏州沸迩灵精密制造有限公司 | It is a kind of to be used for patch material tongue cam of the automatic material connection with machine |
-
2016
- 2016-01-18 CN CN201620044358.9U patent/CN205371535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033244A (en) * | 2017-12-15 | 2018-05-15 | 苏州沸迩灵精密制造有限公司 | It is a kind of to be used for patch material tongue cam of the automatic material connection with machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20170118 |