CN203401965U - Single-reduction drive axle for commercial vehicle - Google Patents
Single-reduction drive axle for commercial vehicle Download PDFInfo
- Publication number
- CN203401965U CN203401965U CN201320535112.8U CN201320535112U CN203401965U CN 203401965 U CN203401965 U CN 203401965U CN 201320535112 U CN201320535112 U CN 201320535112U CN 203401965 U CN203401965 U CN 203401965U
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- CN
- China
- Prior art keywords
- differential
- assembly
- gear box
- shell
- singl
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model provides a single-reduction drive axle for a commercial vehicle. The single-reduction drive axle for the commercial vehicle comprises a main reducer assembly, an axle shell, a rear cover and a wheel rim assembly. The main reducer assembly comprises a main reducer shell, a bearing block, a drive bevel pinion, a driven bevel pinion and a differential assembly. The differential assembly comprises a left differential shell, a right differential shell, a planet wheel, a half axle gear and a universal joint. The left differential shell and the right differential shell are of a symmetric structure relative to the center of the differential assembly. The driven bevel pinion is arranged between the left differential shell and the right differential shell. The left side of the outer surface of the main reducer shell is of an inclined section structure, and the right side of the outer surface of the main reducer shell is of a vertical section structure. An included angle of 10 degrees to 15 degrees is formed between a guiding bearing board and the large plane of the reducer shell, and a lightening hole is formed. By means of the technology, the defects that an existing single-reduction drive axle for a commercial vehicle is heavy in key part design, complex in structure and high in arrangement difficulty. The single-reduction drive axle for the commercial vehicle simplifies a mold and improves the supporting rigidity of parts.
Description
Technical field
The utility model belongs to vehicular spare parts technical field, is specifically related to a kind of for commercial vehicle/comm..vehicle singl-reduction axle.
Background technology
Improvement and the raising of people to quality of the life requirement along with highway in China condition, singl-reduction axle technology is irreversibly towards little speed ratio, low noise, lightweight, high efficiency development, comfortable, safety, environmental protection, efficient and energy-conservation, become the main flow trend of commercial vehicle/comm..vehicle development gradually.Drive axle is positioned at the end of automotive transmission, its basic function is to reduce the rotating speed transmitting from main driving axle, increase is transmitted next torque by transmission shaft, by torque distribution to left and right driving wheel, and make it there is differential function, also to bear vertical force, longitudinal force and transverse force and the moment that acts on road surface and vehicle frame simultaneously.The key components and parts design heavinesses such as the existing commercial vehicle/comm..vehicle final drive casing of singl-reduction axle, poor shell, structure is too complicated, to arranging, increases difficulty and cost raising.
Utility model content
The utility model provides a kind of commercial vehicle/comm..vehicle singl-reduction axle, has overcome existing commercial vehicle/comm..vehicle heavy with the key components and parts design of singl-reduction axle, and complex structure, arranges the high deficiency of difficulty.
A kind of commercial vehicle/comm..vehicle described in the utility model comprises with singl-reduction axle: main gearbox assembly, axle housing, bonnet and wheel limit assembly.
Wherein main gearbox assembly comprise final drive casing, bearing seat, drive bevel gear, by dynamic bevel gear, differential assembly;
Bearing seat is bolted on final drive casing, and described drive bevel gear is supported on respectively on bearing seat and final drive casing by a pair of tapered roller bearing and center bearing pilot bearing, by dynamic bevel gear and differential assembly, is bolted fixing;
Differential assembly comprises left differential gear box, right differential gear box, satellite gear, axle side gear and center cross;
The described limit assembly of taking turns comprises wheel hub, semiaxis, brake disc, brake clamp and drg supporting plate, and wherein wheel hub is connected by bolt with semiaxis, brake disc, and brake clamp is bolted on drg supporting plate.
Described passive bevel gear arrangements is in the middle of left differential gear box and right differential gear box.
Passive bevel gear arrangements, in the middle of left differential gear box and right differential gear box, can effectively be improved by the rigidity of support of dynamic bevel gear.
Preferably, left differential gear box and right differential gear box are symmetrical structure with respect to differential assembly center.Left and right differential gear box is designed to symmetrical structure, can effectively simplifies mould.
Preferably, final drive casing outside face left side is angled section structure, and right side is vertical cross-section structure.Final drive casing outside face left side is angled section structure, and right side is vertical cross-section structure, has not only realized light-weight design, and has reduced the space of final drive casing cavity, thereby volume read-out is reduced.
Preferably, final drive casing is provided with 3～5 reinforced ribs in center bearing pilot bearing mounting hole outside.Reinforced rib is optimized design, has strengthened finishing bevel gear cuter rigidity of support, has realized light-weight design, has reduced volume read-out.
Preferably, the large plane included angle of axis of guide board and reducing gearbox is set to 10 °～15 °.The angle design of axis of guide board and the large plane of reducing gearbox, has strengthened reducing gearbox rigidity of support.
Preferably, center bearing pilot bearing plate thickness is reduced to 7～10mm, has realized lightweight.
Preferably, on axis of guide board, have 3～5 lightening holes, realized lightweight.
Preferably, on right differential gear box, be provided with well-distributed reinforced rib, strengthened differential gear box rigidity of support.Well-distributed reinforced rib, has strengthened differential gear box rigidity of support.
Passive bevel gear arrangements, in the middle of left differential gear box and right differential gear box, has been improved by the rigidity of support of dynamic bevel gear; Left and right differential gear box is designed to almost symmetry structure, can effectively simplifies mould; Brand-new design means by adopting Analysis of Transmission to combine with finite element analysis, are optimized design to the distribution of final drive casing, differential gear box cross section and muscle, have finally realized that intensity is high, good rigidly, target that quality is light, and have reduced volume read-out.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is main gearbox assembly cutaway view of the present utility model.
Fig. 3 is the limit assembly schematic diagram of taking turns of the present utility model.
Fig. 4 is final drive casing birds-eye view of the present utility model.
Fig. 5 is that Fig. 4 is along AA line cutaway view.
Fig. 6 is right differential gear box schematic diagram of the present utility model.
Reference numeral explanation:
1, main gearbox assembly
11, final drive casing
111, final drive casing outside face left side
112, final drive casing outside face right side
113, reinforced rib outside center bearing pilot bearing mounting hole
114, axis of guide board
115, lightening hole on axis of guide board
12, bearing seat
13, drive bevel gear
131, tapered roller bearing
132, center bearing pilot bearing
14, by dynamic bevel gear
15, differential assembly
151, left differential gear box
152, right differential gear box
153, satellite gear
154, axle side gear
155, center cross
156, right differential gear box reinforced rib.
2, axle housing
3, bonnet
4, wheel limit assembly
41, wheel hub
42, semiaxis
43, brake disc
44, brake clamp
45, drg supporting plate
5, differential assembly center
α, angle
The specific embodiment
For the ease of persons skilled in the art, understand and realize the utility model, now describing by reference to the accompanying drawings the utility model one specific embodiment.
As shown in Figure 1, a kind of commercial vehicle/comm..vehicle singl-reduction axle, mainly comprises main gearbox assembly 1, axle housing 2, bonnet 3 and wheel limit assembly 4.
As shown in Figure 2, above-mentioned main gearbox assembly 1 comprise final drive casing 11, bearing seat 12, drive bevel gear 13, by dynamic bevel gear 14, differential assembly 15;
Bearing seat 12 is bolted on final drive casing 11, described drive bevel gear 13 is supported on respectively on bearing seat 12 and final drive casing 11 by a pair of tapered roller bearing and center bearing pilot bearing, by dynamic bevel gear 14 and differential assembly 15, is bolted fixing;
Differential assembly 15 comprises left differential gear box 151, right differential gear box 152, satellite gear 153, axle side gear 154 and center cross 155;
As shown in Figure 3, the above-mentioned limit assembly 4 of taking turns comprises wheel hub 41, semiaxis 42, brake disc 43, brake clamp 44 and drg supporting plate 45, and wherein wheel hub 41 is connected by bolt with semiaxis 42, brake disc 43, and brake clamp 44 is bolted on drg supporting plate 45.。
As shown in Figure 2, by dynamic bevel gear 14, be arranged in left differential gear box 151 and right differential gear box 152 centres.
As shown in Figure 2, left differential gear box 151 and right differential gear box 152 are almost symmetry structure with respect to differential assembly center.
As shown in Figure 5, final drive casing 11 outside face left sides 111 are angled section structure, and right side 112 is vertical cross-section structure.
As shown in Figure 5, axis of guide board 114 is set to 10 °～15 ° with the large plane included angle of final drive casing, and thickness is 7～10mm.
As shown in Figure 4, center bearing pilot bearing mounting hole outside is provided with 3～5 reinforced ribs 113.
As shown in Figure 4, on axis of guide board 114, have 3～5 lightening holes 115.
As shown in Figure 6, right differential gear box 152 is provided with well-distributed reinforced rib 156.
Although described the utility model by embodiment, but those of ordinary skills know, in the situation that not departing from spirit of the present utility model and essence, just can make the utility model have many variations and distortion, scope of the present utility model is limited to the appended claims.
Claims (8)
1. a commercial vehicle/comm..vehicle comprises with singl-reduction axle: main gearbox assembly, axle housing, bonnet and wheel limit assembly;
Wherein main gearbox assembly comprise final drive casing, bearing seat, drive bevel gear, by dynamic bevel gear, differential assembly;
Bearing seat is bolted on final drive casing, and described drive bevel gear is supported on respectively on bearing seat and final drive casing by a pair of tapered roller bearing and center bearing pilot bearing, by dynamic bevel gear and differential assembly, is bolted fixing;
Differential assembly comprises left differential gear box, right differential gear box, satellite gear, axle side gear and center cross;
The described limit assembly of taking turns comprises wheel hub, semiaxis, brake disc, brake clamp and drg supporting plate, and wherein wheel hub is connected by bolt with semiaxis, brake disc, and brake clamp is bolted on drg supporting plate;
It is characterized in that, described passive bevel gear arrangements is in the middle of left differential gear box and right differential gear box.
2. singl-reduction axle according to claim 1, is characterized in that, described left differential gear box and right differential gear box are symmetrical structure with respect to differential assembly center.
3. singl-reduction axle according to claim 1, is characterized in that, described final drive casing outside face left side is angled section structure, and right side is vertical cross-section structure.
4. singl-reduction axle according to claim 1, is characterized in that, described final drive casing center bearing pilot bearing mounting hole outside is provided with 3～5 reinforced ribs
5. singl-reduction axle according to claim 1, is characterized in that, the large plane included angle α of described axis of guide board and reducing gearbox is 10 °～15 °.
6. singl-reduction axle according to claim 1, is characterized in that, described center bearing pilot bearing plate thickness is 7～10mm
7. singl-reduction axle according to claim 1, is characterized in that, has 3～5 lightening holes on described axis of guide board.
8. singl-reduction axle according to claim 1, is characterized in that, described right differential gear box is provided with well-distributed reinforced rib, has strengthened differential gear box rigidity of support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535112.8U CN203401965U (en) | 2013-08-29 | 2013-08-29 | Single-reduction drive axle for commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535112.8U CN203401965U (en) | 2013-08-29 | 2013-08-29 | Single-reduction drive axle for commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203401965U true CN203401965U (en) | 2014-01-22 |
Family
ID=49937906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320535112.8U Expired - Fee Related CN203401965U (en) | 2013-08-29 | 2013-08-29 | Single-reduction drive axle for commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203401965U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757884A (en) * | 2018-07-04 | 2018-11-06 | 汽解放汽车有限公司 | A kind of lightweight commercial car main reducer of middle axle assembly |
| CN110985606A (en) * | 2019-12-27 | 2020-04-10 | 徐州徐工传动科技有限公司 | Main reducer assembly and wheel loader |
-
2013
- 2013-08-29 CN CN201320535112.8U patent/CN203401965U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757884A (en) * | 2018-07-04 | 2018-11-06 | 汽解放汽车有限公司 | A kind of lightweight commercial car main reducer of middle axle assembly |
| CN110985606A (en) * | 2019-12-27 | 2020-04-10 | 徐州徐工传动科技有限公司 | Main reducer assembly and wheel loader |
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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: 20140122 Termination date: 20180829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |