CN204459009U - A kind of main gearbox assembly - Google Patents
A kind of main gearbox assembly Download PDFInfo
- Publication number
- CN204459009U CN204459009U CN201520067407.6U CN201520067407U CN204459009U CN 204459009 U CN204459009 U CN 204459009U CN 201520067407 U CN201520067407 U CN 201520067407U CN 204459009 U CN204459009 U CN 204459009U
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- China
- Prior art keywords
- tooth
- differential casing
- differential
- main
- retarder
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Abstract
The utility model relates to a kind of main gearbox assembly, comprise retarder (1), be connected differential mechanism (2) below retarder, main tooth (4) is connected by input shaft (3) in retarder, on differential mechanism connect engage with main tooth by tooth (5), differential mechanism comprises the first differential casing (2a) and the second differential casing (2b) that are connected, it is characterized in that: the first differential casing and the second differential casing are symplex structure, be connected between the first differential casing and the second differential casing by tooth, described main tooth and all adopted convergent gear by tooth.Advantage of the present utility model: the left and right shell of the differential mechanism of this device adopts identical structure, suitable bearing is being coordinated as required on two shells, thus reach the object alleviating product weight, and simplify Product processing and assembly technology, improve processing and the efficiency of assembling of product, main by tooth employing convergent gear, improve the working life of gear.
Description
Technical field
The utility model relates to a kind of automobile component, particularly a kind of main gearbox assembly.
Background technique
Main gearbox assembly is the core component of ransaxle, and it is in the end of power transmission system, and its fundamental function increases the torque transmitted by transmission shaft or speed changer, reduces the rotating speed that it transmits, and power is reasonably distributed to left and right driving wheel.Tradition is main subtracts differential mechanism shell that device assembly uses by a left side, the parts composition of right two different structures, and adding man-hour, about it, the blank of two housings is also different, assemble time first with bolt by a left side, right two poor shells connect together, poor housing assy will be assembled to by tooth with bolt again to get on, it also exists processing technology complexity, assemble loaded down with trivial details, and the shortcoming such as differential casing is heavier, and the master that present stage uses, contour gear is all adopted by gear, make its working life short, for solving above-mentioned shortcoming, through extensively retrieval, not yet find ideal technological scheme.
Model utility content
The purpose of this utility model exists to solve present stage automobile main reducer assembly, and processing technology is complicated, it is loaded down with trivial details, main to assemble, by shortcomings such as service life of gear are short, and a kind of main gearbox assembly proposed.
To achieve these goals, the utility model have employed following technological scheme:
A kind of main gearbox assembly, comprise retarder, be connected differential mechanism below retarder, main tooth is connected by input shaft in retarder, differential mechanism connect with main tooth intermeshing by tooth, described differential mechanism comprises the first differential casing and second differential casing of corresponding matching connection, it is characterized in that:
A, described first differential casing and the second differential casing are symmetrical structure, the first flange plate is provided with in the inner side of the first differential casing, first ring-shaped step is provided with in the outside of the first flange plate inner side surface, the second flange plate is provided with in the inner side of the second differential casing, second ring-shaped step is provided with in the outside of the second flange plate inner side surface, described first ring-shaped step and the second ring-shaped step corresponding matching form an annular opening groove, are connected described by tooth in opening slot.
B, described main tooth and all adopted convergent gear by tooth.
On the basis of technique scheme, following further technological scheme can be had:
The outside of described first differential casing and the second differential casing is all connected bearing cap, described bearing cap comprises two symmetrically arranged half lids, described half lid comprises semicircular clamp, in clamp, be provided with bearing mounting groove, be provided with a connecting plate in the centre of the clamp of bearing mounting groove opening side, both sides are respectively equipped with a stiffening plate.
A stiffening plate is equipped with between each described stiffening plate and clamp.
Be optimized design, left and right poor shell uses identical blank to process, use when assembling bolt will by tooth, left and right poor shell is disposable connects together, design of part is optimized, production technology simplifies
The utility model has the advantage of: the left and right shell of the differential mechanism of this device adopts identical structure, suitable bearing is being coordinated as required on two shells, thus reach the object alleviating product weight, and simplify Product processing and assembly technology, improve processing and the efficiency of assembling of product, main by tooth employing convergent gear, improve the working life of gear.
Accompanying drawing explanation
Fig. 1 is basic structure schematic diagram of the present utility model;
Fig. 2 is half cover body structure schematic diagram of bearing cap.
Embodiment
In order to make the utility model clearly understand, describe in detail this device below in conjunction with accompanying drawing, specific embodiment described herein only in order to explain the utility model, and is not used in restriction the utility model.
As shown in Figure 1, a kind of main gearbox assembly that the utility model provides, comprise retarder 1, be connected differential mechanism 2 below retarder 1, described retarder 1 comprises reducer shell 1b, reducer shell 1b is provided with bearing support 1a, cavity 1c is provided with in reducer shell 1b, bearing support 1a by two bearings of input shaft 12 be rotatably assorted connect input shaft 3, a main tooth 4 is fixed by socket at input shaft 3, described differential mechanism 2 comprises the first differential casing 2a and the second differential casing 2b of two corresponding matching, differential mechanism 2 is bolted an annular be meshed with main tooth 4 by tooth 5, also be connected on speed reducer housing 1b respectively by differential bearing 7 in differential mechanism 2 both sides, be connected respectively an output axle shaft 6 in the first differential casing 2a and the second differential casing 2b, a differential gear 9 is connected in the inner side of each output axle shaft 6, it is characterized in that:
Described first differential casing 2a and the second differential casing 2b is symmetrical structure, the first flange plate 2c is provided with in the inner side of the first differential casing 2a, a first ring-shaped step 2e is provided with in the outside of the first flange plate 2c inner side surface, the second flange plate 2d is provided with in the inner side of the second differential casing 2b, a second ring-shaped step 2f is provided with in the outside of the second flange plate 2d inner side surface, described first ring-shaped step 2e and the second ring-shaped step 2f corresponding matching form an annular opening groove, are connected described by tooth 5 in opening slot.
Described main tooth 4 and all adopted convergent gear by tooth 5.
All be connected outside described first differential casing 2a and the second differential casing 2b a differential bearing 7, suitable bearing 7 is selected according to actual conditions, save cost, each differential bearing 7 is all connected in corresponding bearing cap 6, described bearing cap 6 comprises two symmetrical half lid 6a connected, described half lid 6a comprises semicircular clamp 6b, a semicircular bearing mounting groove 6c is provided with in clamp 6b, be provided with for assembling corresponding differential bearing 7 at bearing mounting groove 6c, bearing mounting groove 6c is provided with in clamp 6b, step 6g is provided with in bearing mounting groove 6c, a through hole 6h is equipped with in the both sides of clamp 6b opening, a connecting plate 6d is provided with in the centre of the clamp 6b of bearing mounting groove 6c opening side, both sides are respectively equipped with a stiffening plate 6e, a stiffening plate 6f is equipped with between each described stiffening plate 6e and clamp 6b.After assembling, be that small―gap suture coordinates between seam under the end face of described stiffening plate 6e and axle housing, when reality uses and between axle housing, play the effect mutually supported, substantially increase the main rigidity subtracting assembly integral, and then play minimizing operating noise and increase the main effect in working life subtracting assembly.
Claims (3)
1. a main gearbox assembly, comprise retarder (1), be connected differential mechanism (2) below retarder (1), main tooth (4) is connected by input shaft (3) in retarder (1), intermeshing by tooth (5) with main tooth (4) in the upper connection of differential mechanism (2), described differential mechanism (2) comprises the first differential casing (2a) and second differential casing (2b) of corresponding matching connection, it is characterized in that:
A, described first differential casing (2a) and the second differential casing (2b) are symmetrical structure, the first flange plate (2c) is provided with in the inner side of the first differential casing (2a), first ring-shaped step (2e) is provided with in the outside of the first flange plate (2c) inner side surface, the second flange plate (2d) is provided with in the inner side of the second differential casing (2b), second ring-shaped step (2f) is provided with in the outside of the second flange plate (2d) inner side surface, described first ring-shaped step (2e) and the second ring-shaped step (2f) corresponding matching form an annular opening groove, be connected in opening slot described by tooth (5),
B, described main tooth (4) and all adopted convergent gear by tooth (5).
2. a kind of main gearbox assembly according to claim 1, it is characterized in that: the outside of described first differential casing (2a) and the second differential casing (2b) is all connected bearing cap (6), described bearing cap (6) comprises two symmetrically arranged half lids (6a), described half lid (6a) comprises semicircular clamp (6b), in clamp (6b), be provided with bearing mounting groove (6c), be provided with a connecting plate (6d) in the centre of the clamp (6b) of bearing mounting groove (6c) opening side, both sides are respectively equipped with a stiffening plate (6e).
3. a kind of main gearbox assembly according to claim 2, is characterized in that: be equipped with a stiffening plate (6f) between each described stiffening plate (6e) and clamp (6b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520067407.6U CN204459009U (en) | 2015-01-31 | 2015-01-31 | A kind of main gearbox assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520067407.6U CN204459009U (en) | 2015-01-31 | 2015-01-31 | A kind of main gearbox assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204459009U true CN204459009U (en) | 2015-07-08 |
Family
ID=53665897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520067407.6U Expired - Fee Related CN204459009U (en) | 2015-01-31 | 2015-01-31 | A kind of main gearbox assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204459009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763777A (en) * | 2015-01-31 | 2015-07-08 | 合肥美桥汽车传动及底盘系统有限公司 | Main speed reducer assembly |
| CN105299144A (en) * | 2015-10-23 | 2016-02-03 | 陕西东铭车辆系统股份有限公司 | Two-level arc tooth high-speed-ratio electric vehicle rear axle speed reducer assembly |
-
2015
- 2015-01-31 CN CN201520067407.6U patent/CN204459009U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763777A (en) * | 2015-01-31 | 2015-07-08 | 合肥美桥汽车传动及底盘系统有限公司 | Main speed reducer assembly |
| CN105299144A (en) * | 2015-10-23 | 2016-02-03 | 陕西东铭车辆系统股份有限公司 | Two-level arc tooth high-speed-ratio electric vehicle rear axle speed reducer assembly |
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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: 20150708 Termination date: 20200131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |