CN220198972U - New energy heavy truck front axle for optimizing steering stability - Google Patents
New energy heavy truck front axle for optimizing steering stability Download PDFInfo
- Publication number
- CN220198972U CN220198972U CN202321824119.1U CN202321824119U CN220198972U CN 220198972 U CN220198972 U CN 220198972U CN 202321824119 U CN202321824119 U CN 202321824119U CN 220198972 U CN220198972 U CN 220198972U
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- front axle
- knuckle
- steering
- heavy truck
- optimizing
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- 230000001154 acute effect Effects 0.000 claims abstract description 5
- 238000013016 damping Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 2
- 230000000979 retarding effect Effects 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model provides a new energy heavy truck front axle of optimizing steering operation stability, includes front axle and sets up the knuckle on the knuckle round pin of each end of front axle, only rotatable front hub on the main shaft of each end knuckle respectively, and the wheel hub forms certain acute angle with the place axial lead of same end knuckle round pin before each end, and the upper and lower part is connected with knuckle rotation position rotation about a plurality of bearing respectively on each knuckle round pin, and the position that each knuckle round pin is close to the front axle main part has the contact of the integrative bearing of bearing damping and the inner of knuckle round pin rotation position about the pin respectively. The utility model reduces the retarding force of the steering system and the starting force of the front axle assembly, and the high-efficiency rolling friction ensures that the rotating force is smoother in the running process of the system, the peak fluctuation interval is smaller, the service life is longer, the aim of optimizing the steering stability of the front axle assembly is realized, and the steering stability of the front axle of the heavy truck is effectively improved.
Description
Technical Field
The utility model relates to a front axle assembly of a vehicle, in particular to a new energy heavy truck front axle for optimizing steering stability.
Background
Statistical analysis, transportation is the second most energy-consuming industry following industrial manufacturing, and heavy truck commercial vehicle transportation accounts for 62.7% of the transportation proportion. Therefore, the carbon emission reduction of the heavy truck commercial vehicle is an important component for realizing green logistics, and is responsible and obligation for the automobile industry to blame for side credits. Successful implementation of energy conservation and emission reduction in the heavy truck commercial vehicle industry greatly assists in achieving the above-mentioned aims.
The new energy of the vehicle is an effective means for realizing energy conservation and emission reduction. The performance of the related truck safety regulations and the increasing requirements of people on steering stability are increasingly improved, the operation stability index becomes a main obstacle for restricting the force of a new energy heavy truck, the steering stability is introduced according to the principle of a steering system, the steering wheel (wheels) can be quickly corrected when the vehicle is interfered, the stable straight-line running capacity is kept, the wheel correction must overcome the front axle starting force and the sliding friction resistance between the steering wheel and the ground, and the rear axle starting force and the sliding friction resistance between the steering wheel and the ground are related to the use factors of users such as the vehicle speed, tires, the ground and the like and cannot be changed, so that the reduction of the front axle steering starting force and the fluctuation of the steering process force becomes a main measure for optimizing the operation stability system.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a new energy heavy truck front axle for optimizing steering stability.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a new energy heavy truck front axle of optimizing steering operation stability, includes front axle and sets up the knuckle on the knuckle round pin of each end of front axle, only rotatable front hub on the main shaft of each end knuckle respectively, and the wheel hub forms certain acute angle with the place axial lead of same end knuckle round pin before each end, and the upper and lower part is connected with knuckle rotation position rotation about a plurality of bearing respectively on each knuckle round pin, and the position that each knuckle round pin is close to the front axle main part has the contact of the integrative bearing of bearing damping and the inner of knuckle round pin rotation position about the pin respectively.
Further, the bottoms of the steering knuckles at the ends are respectively provided with a tie rod arm, the tie rod arms at the two ends are rotationally connected through a tie rod assembly, and the inner side of the top of the steering knuckle at one end is provided with a straight tie rod arm.
Further, a brake drum is fixed to the outer portion of the front hub, and a brake assembly is arranged in the brake drum.
Further, a locking washer for fixing the front hub is fixed at the outer end of the main shaft of the steering knuckle through a locking nut.
Further, the front hub is supported on the main shaft of the knuckle by an inner bearing and an outer bearing.
Further, the lock nut at the outer end of the front hub is covered with a hub cap.
Through the arrangement, a certain acute angle is formed between the front hub and the axial lead of the knuckle pin at the same end through the optimized structure, the upper and lower parts of the knuckle pin are respectively connected with the upper and lower rotating parts of the knuckle through a plurality of needle bearings in a rotating way, the parts of the knuckle pins, which are close to the front axle main body, are respectively sleeved with needle damping integrated bearings which are contacted with the inner ends of the upper and lower rotating parts of the knuckle pin, so that the driving operability is optimized, and according to the test, when the speed of a 6X4 vehicle is 40Km/h and the turning radius is 25m, the new energy heavy truck front axle idle starting force matched with rated load of 7.5t is reduced by 50N, the front axle starting force can be reduced by 35-40N when the vehicle is fully loaded, and the maximum operating force on the steering wheel of the vehicle can be reduced by 80N when the vehicle is returned, so that the front axle steering structure becomes a factor strongly related to the operation stability;
in addition, under the condition that the weight of the product is equivalent, the rated front axle is increased by 1t, the bearing capacity is improved by 17 percent compared with that before optimization, and the lightweight design of the product is realized on the other hand, which is beneficial to the improvement of steering capacity,
in conclusion, the braking force of the steering system and the starting force of the front axle assembly are reduced, the high-efficiency rolling friction enables the rotating force in the running process of the system to be smoother, the peak fluctuation interval is smaller, the service life is longer, the aim of optimizing the steering stability of the front axle assembly is fulfilled, and the steering stability of the front axle of the heavy truck is effectively improved.
Drawings
The utility model will now be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of a front cross-sectional structure of the present utility model.
Detailed Description
As shown in fig. 1, the new energy heavy truck front axle for optimizing steering stability comprises a front axle 1 and knuckles 3 arranged on knuckle pins 2 at all ends of the front axle 1, wherein main shafts of the knuckles 3 at all ends are respectively provided with rotatable front hubs 4, the front hubs 4 at all ends and the axial lead of the knuckle pins 2 at the same end form a certain acute angle, the upper and lower parts of the knuckle pins 2 are respectively in rotary connection with the upper and lower rotary parts of the knuckles 3 through a plurality of needle bearings 5, and the parts, close to the main body of the front axle 1, of the knuckle pins 2 are respectively sleeved with needle damping integral bearings 6 to be in contact with the inner ends of the upper and lower rotary parts of the knuckle pins 2.
The bottom of each end knuckle 3 is provided with the tie rod arm 7 respectively, and the tie rod arm 7 at both ends is rotated through tie rod assembly 8 and is connected, and the top inboard of knuckle 3 of one end is provided with straight lever arm 9, and the outside of front wheel hub 4 is fixed with brake drum 10, is provided with brake assembly 11 in the brake drum 10, and the main shaft outer end of knuckle 3 is fixed with the locking gasket 13 that is used for fixing front wheel hub 4 through lock nut 12, and front wheel hub 4 is supported on the main shaft of knuckle 3 through inner bearing 14 and outer bearing 15, and the lock nut 12 of front wheel hub 4 outer end covers and has hub lid 16.
The working mode of the utility model is the same as that of the traditional axle steering.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.
Claims (6)
1. The utility model provides an optimize new forms of energy heavy truck front axle of steering operation stability, includes front axle (1) and sets up knuckle (3) on knuckle round pin (2) in each end of front axle (1), its characterized in that: only a rotatable front hub (4) is arranged on a main shaft of each end steering knuckle (3), a certain acute angle is formed between each front hub (4) and the axial lead of the steering knuckle pin (2) at the same end, the upper and lower parts of each steering knuckle pin (2) are respectively connected with the upper and lower rotating parts of the steering knuckles (3) in a rotating way through a plurality of needle bearings (5), and the parts, close to the main body of the front shaft (1), of each steering knuckle pin (2) are respectively sleeved with needle damping integrated bearings (6) to be in contact with the inner ends of the upper and lower rotating parts of the steering knuckle pins (2).
2. The new energy heavy truck front axle for optimizing steering stability of claim 1, wherein: the bottoms of the steering knuckles (3) at the ends are respectively provided with a tie rod arm (7), the tie rod arms (7) at the two ends are rotationally connected through a tie rod assembly (8), and the inner side of the top of the steering knuckle (3) at one end is provided with a straight rod arm (9).
3. The new energy heavy truck front axle for optimizing steering stability of claim 1, wherein: a brake drum (10) is fixed outside the front hub (4), and a brake assembly (11) is arranged in the brake drum (10).
4. The new energy heavy truck front axle for optimizing steering stability of claim 1, wherein: the outer end of the main shaft of the steering knuckle (3) is fixed with a locking gasket (13) for fixing the front hub (4) through a locking nut (12).
5. The new energy heavy truck front axle for optimizing steering stability of claim 1, wherein: the front hub (4) is supported on the main shaft of the knuckle (3) by means of an inner bearing (14) and an outer bearing (15).
6. The new energy heavy truck front axle for optimizing steering stability of claim 4, wherein: the lock nut (12) at the outer end of the front hub (4) is covered with a hub cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321824119.1U CN220198972U (en) | 2023-07-12 | 2023-07-12 | New energy heavy truck front axle for optimizing steering stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321824119.1U CN220198972U (en) | 2023-07-12 | 2023-07-12 | New energy heavy truck front axle for optimizing steering stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220198972U true CN220198972U (en) | 2023-12-19 |
Family
ID=89153620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321824119.1U Active CN220198972U (en) | 2023-07-12 | 2023-07-12 | New energy heavy truck front axle for optimizing steering stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220198972U (en) |
-
2023
- 2023-07-12 CN CN202321824119.1U patent/CN220198972U/en active Active
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