CN204387288U - A kind of planetary wheel carrier that can be used for loading machine gearbox - Google Patents
A kind of planetary wheel carrier that can be used for loading machine gearbox Download PDFInfo
- Publication number
- CN204387288U CN204387288U CN201420837629.7U CN201420837629U CN204387288U CN 204387288 U CN204387288 U CN 204387288U CN 201420837629 U CN201420837629 U CN 201420837629U CN 204387288 U CN204387288 U CN 204387288U
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- land
- hole
- wheel carrier
- planetary wheel
- planet
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Abstract
The utility model provides a kind of planetary wheel carrier that can be used for loading machine gearbox, comprise the land and end cap that cooperatively interact, described land one end end face has counterbore, the end face of the other end is provided with splined shaft, described land also offers the first center hole and multiple first planet holes uniform centered by described first center hole, the diameter of described first center hole is less than the diameter of described counterbore and described splined shaft; The side of described end cap has supporting post, after installing, the end of described supporting post is fitted in described land and has on the side of the side of counterbore, described end cap is also provided with second center hole corresponding with described first center hole and is equivalent to the second planet hole of answering with described first planet hole.Land and end cap adopt the mode of forging shaping, effectively improve the mechanical propertys such as the hardness of planetary wheel carrier and abrasion resistance; Simultaneously by the end face of screw by supporting post and the locking of land, both area of contact are comparatively large, and structure is more stable.
Description
Technical field
The utility model relates to a kind of gearbox accessory of loader, especially a kind of planetary wheel carrier that can be used for loading machine gearbox.
Background technique
Along with the development of loader, also propose higher requirement to each component of loader, especially transmission class part, as gearbox.Because the gearbox designs of loader becomes increasingly complex, and installing space is more and more less, it is also proposed higher requirement to the performance of the planetary wheel carrier be arranged in gearbox.Planetary wheel carrier is a driving parts in gearbox, carry larger moment of torsion, particularly spline and gear ring part, needs higher hardness, preferably surface abrasion resistance, and its center hole for installation shaft and planet hole need to carry certain plastic deformation.
The mode that existing planetary wheel carrier generally adopts integral type to cast is shaping, and easily produce the casting defects such as pore, scrappage is high, and then causes cost higher; Meanwhile, the planetary wheel carrier lower hardness adopting the mode of casting shaping, wear resistance are poor, and working life is lower; In addition, this kind of planetary wheel carrier machining difficulty is high, and machining accuracy is lower, and dynamic balancing weak effect, vibrations too large.
In view of above problem, the applicant conducts in-depth research planetary wheel carrier, then has this case to produce.
Model utility content
The purpose of this utility model is to provide a kind of better mechanical property, working life higher and the planetary wheel carrier that can be used for loading machine gearbox of structure stability.
To achieve these goals, the utility model adopts following technological scheme:
A kind of planetary wheel carrier that can be used for loading machine gearbox, comprise the land and end cap that cooperatively interact, described land is in the form of annular discs, the end face of its one end have the counterbore coaxial with described land, the end face of the other end is provided with the splined shaft coaxial with described land, described land also offers first center hole coaxial with described land and multiple first planet holes uniform centered by described first center hole, described first center hole and described first planet hole are all through holes, and the diameter of described first center hole is less than the diameter of described counterbore and described splined shaft, the side of described end cap has the supporting post vertical with described end cap, after installing, the end of described supporting post is fitted in described land and has on the side of the side of counterbore, described end cap is also provided with second center hole corresponding with described first center hole and is equivalent to the second planet hole of answering with described first planet hole.
Improve as one of the present utility model, described end cap is also provided with the gear ring coaxial with described second center hole.
Improve as one of the present utility model, the number of teeth of described gear ring is 60, modulus is 3.25mm, pressure angle is 20 °, standard pitch diameter 195mm, addendum are 3.25, whole depth is 5.25mm.
Improve as one of the present utility model, the spline on described splined shaft is involute outer spline, and its number of teeth is 31, modulus is 2.5mm or 1.25mm, pressure angle is 30 °, standard pitch diameter is 77.5mm, the maximum transitional diameter of involute is 74.95mm.
Improve as one of the present utility model, also comprise screw, described land offers the through hole with described screw fit between every two adjacent described first planet holes, described screw is identical with the quantity of described through hole with the quantity of described supporting post, and described supporting post offering the tapped hole matched with described screw, described screw is connected on described tapped hole through described through hole spiral.
Improve as one of the present utility model, described first planet hole has four, and the sidewall in each described first planet hole offers the oilhole with ft connection.
Improve as one of the present utility model, the end of described supporting post is provided with heavy stand, and the corresponding position on described land is provided with the boss coordinated with described heavy stand.
Adopt technique scheme, the utility model has following beneficial effect:
The planetary wheel carrier of conventional monolithic is changed into land and the end cap of split type installation, such land and end cap can adopt the mode of forging shaping, effectively improve the mechanical property such as hardness and abrasion resistance of planetary wheel carrier, make its better mechanical property, working life higher; Simultaneously by the end face of screw by supporting post and the locking of land, both area of contact are comparatively large, and structure is more stable; In addition, land and end cap are fixed, or the structure of conventional monolithic is compared with adopting the mode of welding, the mode adopting screw to connect when spline or one of them damage of gear ring, only can be changed corresponding component, effectively can save maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of planetary wheel carrier of the present utility model;
Fig. 2 is the structural representation of land of the present utility model;
Fig. 3 is the structural representation at another visual angle of land of the present utility model;
Fig. 4 is the structural representation of end cap of the present utility model.
In figure, corresponding sign is as follows:
10-land; 11-counterbore;
12-splined shaft; 13-first center hole;
14-first planet hole; 15-through hole;
16-boss; 17-oilhole;
20-end cap; 21-supporting post;
22-second center hole; 23-second planet hole;
24-gear ring; 25-tapped hole;
26-concave station.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, the planetary wheel carrier of what the present embodiment provided can be used for loading machine gearbox, comprise the land 10 and end cap 20 that cooperatively interact, and the screw (not shown) for land 10 and end cap 20 are installed together, land 10 and end cap 20 adopt the mode of forging to process, in addition, those skilled in the art also can heat-treat land 10 or end cap 20 according to actual needs or diffusion zone to improve hardness and the abrasion resistance of part.
As shown in Figures 2 and 3, land 10 is in the form of annular discs, the end face of its one end have the counterbore 11 coaxial with land 10, the end face of the other end is provided with the splined shaft 12 coaxial with land 10, the specification of counterbore 11 and splined shaft 12 can be arranged according to actual needs, in the present embodiment, the diameter of counterbore 11 is 90mm, the degree of depth is 20mm, splined shaft 12 is involute outer spline, and its number of teeth is 31, modulus is 2.5mm or 1.25mm, pressure angle is 30 °, standard pitch diameter is 77.5mm, the maximum transitional diameter of involute is 74.95mm.
Land 10 also offers first center hole 13 coaxial with land 10 and multiple first planet holes 14 uniform centered by the first center hole 13, in the present embodiment, first planet hole 14 has four.First center hole 13 and first planet hole 14 are all through holes, and the diameter of the first center hole 13 is less than the diameter of counterbore 11 and splined shaft 12.
Land 10 offers the through hole 15 with screw fit between every two adjacent first planet holes 14, and namely through hole 15 has four.In addition, in order to better lubrication can be provided for the transmission shaft being arranged on first planet hole 14, in the present embodiment, the oilhole 17 with ft connection is offered on the sidewall in each first planet hole 15.
As shown in Figure 4, end cap 20 has the supporting post 21 vertical with end cap 20 towards the side of land 10, and in the present embodiment, the quantity of supporting post 21 is identical with the quantity of the through hole 15 on land 10, has four, and centered by the axis of end cap 20, even cloth is arranged.The end of installing rear support post 21 is fitted in land 10 to be had on the side of the side of counterbore 11.End cap 20 is also provided with second center hole 22 corresponding with the first center hole 13 and the second planet hole 23 corresponding with first planet hole 14, namely the second planet hole 23 also has four.
In order to reduce the installing space of gearbox, be connected with planetary wheel carrier in gearbox gear is also integrated on end cap 20 by the planetary wheel carrier of what the present embodiment provided can be used for loading machine gearbox, namely end cap 20 is also provided with the gear ring 24 coaxial with the second center hole 22, the specification of gear ring 24 can be determined according to actual needs, in the present embodiment, the number of teeth of gear ring 24 is 60, modulus is 3.25mm, pressure angle is 20 °, standard pitch diameter 195mm, addendum are 3.25, whole depth is 5.25mm.
Supporting post 21 also offers the tapped hole 25 matched with screw, screw is connected on tapped hole 25 through through hole 15 spiral on land 10, and certainly, the number needs of screw is identical with the quantity of through hole 15 with the quantity of supporting post 21.
As shown in Figure 2, Figure 3 and Figure 4, in order to land 10 and end cap 20 can better coordinate, in the present embodiment, the end of supporting post 21 is provided with heavy stand 26, corresponding position on land 10 is provided with the boss 16 coordinated with heavy stand 26, positions when land 10 and end cap 20 can be facilitated so mutually to install.
By reference to the accompanying drawings detailed description is done to the utility model above; but mode of execution of the present utility model is not limited in above-mentioned mode of execution; those skilled in the art can make various distortion to the utility model according to prior art; as the screw in above-described embodiment is changed to pin etc., these all belong to protection domain of the present utility model.
Claims (7)
1. one kind can be used for the planetary wheel carrier of loading machine gearbox, it is characterized in that, comprise the land and end cap that cooperatively interact, described land is in the form of annular discs, the end face of its one end have the counterbore coaxial with described land, the end face of the other end is provided with the splined shaft coaxial with described land, described land also offers first center hole coaxial with described land and multiple first planet holes uniform centered by described first center hole, described first center hole and described first planet hole are all through holes, and the diameter of described first center hole is less than the diameter of described counterbore and described splined shaft, the side of described end cap has the supporting post vertical with described end cap, after installing, the end of described supporting post is fitted in described land and has on the side of the side of counterbore, described end cap is also provided with second center hole corresponding with described first center hole and is equivalent to the second planet hole of answering with described first planet hole.
2. can be used for the planetary wheel carrier of loading machine gearbox as claimed in claim 1, it is characterized in that, described end cap is also provided with the gear ring coaxial with described second center hole.
3. can be used for the planetary wheel carrier of loading machine gearbox as claimed in claim 2, it is characterized in that, the number of teeth of described gear ring is 60, modulus is 3.25mm, pressure angle is 20 °, standard pitch diameter 195mm, addendum are 3.25, whole depth is 5.25mm.
4. can be used for the planetary wheel carrier of loading machine gearbox as claimed in claim 1, it is characterized in that, spline on described splined shaft is involute outer spline, and its number of teeth is 31, modulus is 2.5mm or 1.25mm, pressure angle is 30 °, standard pitch diameter is 77.5mm, the maximum transitional diameter of involute is 74.95mm.
5. the planetary wheel carrier that can be used for loading machine gearbox as described in claim arbitrary in claim 1-4, it is characterized in that, also comprise screw, described land offers the through hole with described screw fit between every two adjacent described first planet holes, described screw is identical with the quantity of described through hole with the quantity of described supporting post, and described supporting post offering the tapped hole matched with described screw, described screw is connected on described tapped hole through described through hole spiral.
6. can be used for the planetary wheel carrier of loading machine gearbox as claimed in claim 5, it is characterized in that, described first planet hole has four, and the sidewall in each described first planet hole offers the oilhole with ft connection.
7. can be used for the planetary wheel carrier of loading machine gearbox as claimed in claim 5, it is characterized in that, the end of described supporting post is provided with heavy stand, and the corresponding position on described land is provided with the boss coordinated with described heavy stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837629.7U CN204387288U (en) | 2014-12-25 | 2014-12-25 | A kind of planetary wheel carrier that can be used for loading machine gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837629.7U CN204387288U (en) | 2014-12-25 | 2014-12-25 | A kind of planetary wheel carrier that can be used for loading machine gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204387288U true CN204387288U (en) | 2015-06-10 |
Family
ID=53360010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420837629.7U Expired - Fee Related CN204387288U (en) | 2014-12-25 | 2014-12-25 | A kind of planetary wheel carrier that can be used for loading machine gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204387288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114207323A (en) * | 2019-07-25 | 2022-03-18 | 舍弗勒技术股份两合公司 | Differential cover of a planetary gear carrier fastened by crimping |
-
2014
- 2014-12-25 CN CN201420837629.7U patent/CN204387288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114207323A (en) * | 2019-07-25 | 2022-03-18 | 舍弗勒技术股份两合公司 | Differential cover of a planetary gear carrier fastened by crimping |
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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: 20150610 Termination date: 20181225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |