CN209781437U - Lightweight initiative cylinder gear shaft structure - Google Patents
Lightweight initiative cylinder gear shaft structure Download PDFInfo
- Publication number
- CN209781437U CN209781437U CN201822121526.1U CN201822121526U CN209781437U CN 209781437 U CN209781437 U CN 209781437U CN 201822121526 U CN201822121526 U CN 201822121526U CN 209781437 U CN209781437 U CN 209781437U
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- shaft
- diameter
- spline
- cylindrical gear
- right half
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Abstract
The utility model belongs to the field of automobile driving axles, and relates to a lightweight driving cylindrical gear shaft structure; the driving cylindrical gear shaft is provided with a left half shaft and a right half shaft, the shaft diameter of the left half shaft is matched with the central hole of the right half shaft, and the end faces of the left half shaft and the right half shaft are attached; the right half shaft is sequentially provided with a shaft diameter A, a spline shaft A, a shaft diameter B and a spline shaft B; the left half shaft is sequentially provided with a shaft diameter C, a spline shaft C and a thread diameter; the shaft diameter A is matched with a central hole of the half axle gear; the spline shaft A and the spline hole of the cross shaft are connected with the shaft diameter B and the driving cylindrical gear; the spline shaft B is connected with a spline hole of the sliding meshing sleeve; the shaft diameter C is matched with a central hole of the tapered roller bearing; the spline shaft C is connected with the spline hole of the flange; the thread diameter is connected with the flange nut; the utility model discloses be different from traditional monobloc forging structure, adopt left semi-axis and right semi-axis butt welding structure to locate to adopt hollow structure in big footpath, each footpath atress is relatively even, has reduced initiative roller gear's weight.
Description
Technical Field
The utility model belongs to car drive axle field, concretely relates to lightweight initiative cylinder gear shaft structure.
background
in the domestic through drive axle, a driving cylindrical gear shaft structure is adopted for transmitting and distributing the rotating torque input by the transmission shaft. The driving cylindrical gear shaft generally adopts an integral forging structure, and because the driving cylindrical gear shaft is of a multi-stage stepped shaft structure, the size difference of all stages of shaft diameters is large, the stress on a large shaft diameter part is small, large design redundancy exists, and the weight of the driving cylindrical gear shaft is increased.
disclosure of Invention
the utility model discloses a solve and have now to link up in the transaxle, because initiative cylinder gear shaft adopts the integral forging structure to initiative cylinder gear shaft is multistage ladder axle construction, and the axle footpath size at different levels differs great, leads to each axle footpath partial atress uneven, and great axle footpath part has great design redundancy, has increased the weight scheduling problem of initiative cylinder gear shaft. A lightweight drive cylindrical gear shaft structure is provided.
The utility model discloses an adopt following technical scheme to realize:
A light-weight driving cylindrical gear shaft structure comprises a driving cylindrical gear shaft 10, wherein the driving cylindrical gear shaft 10 is provided with a left half shaft 1 and a right half shaft 2, the shaft diameter of the left half shaft 1 is matched with the central hole of the right half shaft 2, and the end faces of the left half shaft and the right half shaft are attached; connecting the attached shaft diameters by adopting an annular welding line;
The right half shaft 2 is sequentially provided with a shaft diameter A11, a spline shaft A12, a shaft diameter B13 and a spline shaft B14; the left half shaft 1 is sequentially provided with a shaft diameter C15, a spline shaft C16 and a thread diameter 17;
The shaft diameter a11 is fitted with the center hole of the side gear 9; the spline shaft A12 is connected with a spline hole of the cross shaft 8; the shaft diameter B13 is connected with the driving cylindrical gear 7; the spline shaft B14 is connected with the spline hole of the sliding engagement sleeve 6; the shaft diameter C15 is matched with a central hole of the tapered roller bearing; the spline shaft C16 is connected with the spline hole of the flange 4; the thread diameter 17 is connected to the flange nut 3.
In the technical scheme, the left half shaft 1 adopts a stepped shaft structure, and a circular pit is adopted at one end with a large shaft diameter for reducing weight; and one end with a large shaft diameter adopts an outer spigot structure and is used for connecting the right half shaft 2.
in the technical scheme, the right half shaft 2 adopts a stepped shaft structure, and a circular pit is adopted at one end with a large shaft diameter for reducing weight; one end with large shaft diameter adopts an inner spigot structure and is used for connecting a left half shaft 1.
Compared with the prior art, the beneficial effects of the utility model are that:
A lightweight driving cylindrical gear shaft structure. The driving cylindrical gear shaft is different from a traditional integral forging structure, adopts a left half shaft and right half shaft butt welding structure according to the principle of balanced stress, adopts a hollow structure at a large shaft diameter position and is used for reducing weight. The structure has the advantages that the stress on each shaft diameter is relatively uniform, and the weight of the driving cylindrical gear is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings:
fig. 1a is a front view of a through bridge reducer assembly, which is an application position of a lightweight driving cylindrical gear shaft structure according to the present invention;
Fig. 1b is a partial view of a through bridge reducer assembly, which is an application position of a lightweight driving cylindrical gear shaft structure according to the present invention;
fig. 2 is a view of a driving cylindrical gear shaft of a light-weight driving cylindrical gear shaft structure according to the present invention;
fig. 3 is a left half-axis view of a lightweight driving cylindrical gear shaft structure according to the present invention;
Fig. 4 is a right half-axis view of a light-weight driving cylindrical gear shaft structure according to the present invention;
In the figure: 1. the left half shaft, 2, the right half shaft, 3, a flange nut, 4, a flange, 5, a tapered roller bearing, 6, a sliding meshing sleeve, 7, a driving cylindrical gear, 8, a cross shaft, 9, a half shaft gear, 10, a driving cylindrical gear shaft, 11, shaft diameters A, 12, spline shafts A, 13, shaft diameters B, 14, spline shafts B, 15, shaft diameters C, 16, spline shafts C, 17 and thread diameters.
Detailed Description
The invention is further elucidated with reference to the drawing.
referring to fig. 1a, 1b and 2, the shaft diameter a11 of the driving spur gear shaft 10 is matched with the central hole of the side gear 9; the spline shaft A12 of the driving cylindrical gear shaft 10 is connected with the spline hole of the cross shaft 8; the shaft diameter B13 of the driving cylindrical gear shaft 10 is connected with the driving cylindrical gear 7; the spline shaft B14 of the driving cylindrical gear shaft 10 is connected with the spline hole of the sliding meshing sleeve 6; the shaft diameter C15 of the driving cylindrical gear shaft 10 is matched with the central hole of the tapered roller bearing; the spline shaft C16 of the driving cylindrical gear shaft 10 is connected with the spline hole of the flange 4; the thread diameter 17 of the driving cylindrical gear shaft 10 is connected with the flange nut 3.
referring to fig. 2, in the driving cylindrical gear shaft 10, the shaft diameter of the left half shaft 1 is matched with the central hole of the right half shaft 2, and the end faces are attached; and connecting the attached shaft diameters by adopting an annular welding seam.
Referring to fig. 3, the left half shaft 1 adopts a stepped shaft structure, and a circular pit is adopted at one end with a large shaft diameter for reducing weight; and one end with a large shaft diameter adopts an outer spigot structure and is used for connecting the right half shaft 2.
referring to fig. 4, the right half shaft 2 adopts a stepped shaft structure, and a circular pit is adopted at one end of the large shaft diameter for reducing weight; one end with large shaft diameter adopts an inner spigot structure and is used for connecting a left half shaft 1.
Claims (3)
1. the utility model provides a lightweight initiative cylindrical gear axle structure which characterized in that: the gear comprises a driving cylindrical gear shaft (10), wherein the driving cylindrical gear shaft (10) is provided with a left half shaft (1) and a right half shaft (2), the shaft diameter of the left half shaft (1) is matched with the central hole of the right half shaft (2), and the end faces of the left half shaft and the right half shaft are attached; connecting the attached shaft diameters by adopting an annular welding line;
The right half shaft (2) is sequentially provided with a shaft diameter A (11), a spline shaft A (12), a shaft diameter B (13) and a spline shaft B (14); the left half shaft (1) is sequentially provided with a shaft diameter C (15), a spline shaft C (16) and a thread diameter (17);
The shaft diameter A (11) is matched with a central hole of the half axle gear (9); the spline shaft A (12) is connected with a spline hole of the cross shaft (8); the shaft diameter B (13) is connected with the driving cylindrical gear (7); the spline shaft B (14) is connected with a spline hole of the sliding meshing sleeve (6); the shaft diameter C (15) is matched with a central hole of the tapered roller bearing; the spline shaft C (16) is connected with the spline hole of the flange (4); the thread diameter (17) is connected with the flange nut (3).
2. the light-weighted driving cylindrical gear shaft structure according to claim 1, characterized in that:
The left half shaft (1) adopts a stepped shaft structure, and a circular pit is adopted at one end with a large shaft diameter for reducing weight; one end with large shaft diameter adopts an external spigot structure which is used for connecting a right half shaft (2).
3. The light-weighted driving cylindrical gear shaft structure according to claim 1, characterized in that:
The right half shaft (2) adopts a stepped shaft structure, and a circular pit is adopted at one end with a large shaft diameter for reducing weight; one end with large shaft diameter adopts an inner spigot structure and is used for connecting a left half shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822121526.1U CN209781437U (en) | 2018-12-18 | 2018-12-18 | Lightweight initiative cylinder gear shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822121526.1U CN209781437U (en) | 2018-12-18 | 2018-12-18 | Lightweight initiative cylinder gear shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209781437U true CN209781437U (en) | 2019-12-13 |
Family
ID=68790428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822121526.1U Active CN209781437U (en) | 2018-12-18 | 2018-12-18 | Lightweight initiative cylinder gear shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209781437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929058A (en) * | 2020-07-02 | 2020-11-13 | 中国第一汽车股份有限公司 | Static torsion test device and method for through bridge driving cylindrical gear shaft |
-
2018
- 2018-12-18 CN CN201822121526.1U patent/CN209781437U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929058A (en) * | 2020-07-02 | 2020-11-13 | 中国第一汽车股份有限公司 | Static torsion test device and method for through bridge driving cylindrical gear shaft |
| CN111929058B (en) * | 2020-07-02 | 2022-07-22 | 中国第一汽车股份有限公司 | Static torsion test device and method for through bridge driving cylindrical gear shaft |
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