CN216660022U - Double-front-shaft steering and suspension system with two-shaft lifting belt steering function - Google Patents
Double-front-shaft steering and suspension system with two-shaft lifting belt steering function Download PDFInfo
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- CN216660022U CN216660022U CN202121911378.9U CN202121911378U CN216660022U CN 216660022 U CN216660022 U CN 216660022U CN 202121911378 U CN202121911378 U CN 202121911378U CN 216660022 U CN216660022 U CN 216660022U
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- 239000000725 suspension Substances 0.000 title claims abstract description 23
- 239000006096 absorbing agent Substances 0.000 claims abstract description 26
- 230000035939 shock Effects 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000009977 dual effect Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000003754 machining 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
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a double-front-axle steering and suspension system for steering a two-axle lifting belt, which is characterized in that: the steering system comprises a steering control unit, a steering transmission unit and a steering power-assisted unit; the two-shaft lifting suspension system comprises a guide arm, a guide arm bracket, a lifting lower bracket, a lifting upper bracket, a lifting air spring, a bearing air spring, a shock absorber and a shock absorber lower bracket; the problem of the multiaxis car self cause of prior art cause the increase of whole car fuel consumption, especially the vehicle no-load operation shows especially outstanding, has also increased the wearing and tearing of tire simultaneously, leads to the increase of vehicle operation cost is solved.
Description
Technical Field
The utility model relates to the technical field of automobile manufacturing, in particular to a double-front-axle steering and suspension system with two-axle lifting belts for steering.
Technical Field
With the development of the automobile logistics transportation industry and the change of regulations, a multi-axle vehicle is more and more popular in the market, but the fuel consumption of the whole vehicle is increased due to the self-reason of the multi-axle vehicle, particularly, the performance of the multi-axle vehicle is particularly prominent when the vehicle runs in a no-load mode, and meanwhile, the abrasion of tires is increased, so that the operation cost of the vehicle is increased; the current market solves the problems as follows: a lifting shaft is added at the rear side of the drive axle, and when the vehicle runs in full load, the lifting shaft falls down to achieve the effect of bearing; when the vehicle runs in a no-load mode, the lifting shaft is lifted to achieve the purpose of reducing fuel consumption and tire wear, but in the vehicle model with the structure, the tires on two sides of the lifting shaft are worn quickly because the lifting shaft is a passive steering mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rotating seat machining clamp aiming at the defects of the prior art, and solves the problems that the fuel consumption of the whole automobile is increased due to self reasons of a multi-shaft automobile in the prior art, particularly the fuel consumption is prominent when the automobile runs in a no-load mode, and the abrasion of tires is increased to increase the operation cost of the automobile.
The utility model is realized by adopting the following technical scheme:
a double front axle steering and suspension system for two-axle lift belt steering,
the steering system comprises a steering control unit, a steering transmission unit and a steering power-assisted unit;
the steering control unit comprises a system steering wheel, a steering column and a steering telescopic shaft;
the steering transmission unit comprises a steering transmission system which consists of a steering gear, a steering rocker arm, a first bracket, a steering middle rocker arm, a second bracket, a second steering rocker arm, a third bracket, a first-shaft steering knuckle arm, a second-shaft steering knuckle arm, a first-shaft steering pull rod, a first middle pull rod, a second middle pull rod and a second-shaft steering pull rod;
the power steering unit comprises a steering oil pump, a power source, a steering oil tank and a steering pipeline;
the two-shaft lifting suspension system comprises a guide arm, a guide arm bracket, a lifting lower bracket, a lifting upper bracket, a lifting air spring, a bearing air spring, a shock absorber and a shock absorber lower bracket; the guide arm support is connected with the frame, the guide arm support is connected with the lifting lower support, one end of the guide arm is connected with the guide arm support, the other end of the guide arm is connected with the bearing mechanism, and the bearing mechanism comprises a bearing air spring, a shock absorber lower support and a lifting upper support;
the upper end of the steering column is connected with the steering wheel, the lower end of the steering column is connected with the steering telescopic shaft, the steering telescopic shaft is connected with the steering gear, the steering gear is connected with the frame through the first bracket, the steering rocker arm is connected with the steering gear, the steering middle rocker arm is connected with the vehicle frame through the second bracket, the second steering rocker arm is connected with the vehicle frame through the third bracket and the guide arm bracket, two ends of the one-shaft steering pull rod are respectively connected with the steering rocker arm and the one-shaft steering knuckle arm, two ends of the first middle pull rod are respectively connected with the steering rocker arm and the steering middle rocker arm, two ends of the second middle pull rod are respectively connected with the steering middle rocker arm and the second steering rocker arm, two ends of the two-shaft steering pull rod are respectively connected with the second steering rocker arm and the two-shaft steering knuckle arm; the steering oil pump, the steering gear and the steering oil tank are connected in series through the steering pipeline by the power-assisted steering system to form a circulating system, wherein the steering oil tank is connected with the steering oil pump through a pipeline.
Preferably: the second steering rocker arm support and the lifting suspension guide arm support are sleeved on the vehicle frame, and the second steering rocker arm and the two-shaft straight pull rod spherical hinge point are located at the rotation center of the lifting shaft.
Preferably: the lifting air spring is arranged on the inner side of the frame, the lifting lower support is fixedly connected with the guide arm support, and the lifting upper support is fixedly connected with the lifting shaft tube through welding.
Preferably, the following components: the upper end of the bearing air spring is connected with the lower wing surface of the frame, the lower end of the bearing air spring is fixedly connected with the lower support of the shock absorber and the guide arm through a riding bolt, the upper end of the shock absorber is connected with the frame, and the lower end of the shock absorber is fixedly connected with the lifting shaft.
Compared with the prior art, the utility model has the following beneficial technical effects:
the steering system adopts an overall structure that a single high-torque steering gear provides power for two front shafts, a traditional double-front-shaft steering system steering power cylinder assembly or a follower is omitted, the system structure is simplified, and the cost is reduced; the two-shaft lifting suspension system adopts a structural mode of two air spring lifting and two air spring bearing, when a vehicle runs in a no-load mode, the lifting shaft is lifted, and the fuel consumption of the vehicle is reduced; when the vehicle runs in full load, the lifting shaft falls down to play a role in bearing, and meanwhile, the two shafts also have an active steering function, so that the tire wear is reduced.
Drawings
The utility model is further described with the following figures:
FIG. 1 is an isometric view of the general arrangement of a two-axle lift belt steered dual front axle commercial vehicle steering and suspension system provided by the present invention;
FIG. 2 is a front view of a general layout of a steering system for a two-axle lift belt steered dual front axle commercial vehicle according to the present invention;
FIG. 3 is a top view of a general layout of a steering system for a two-axle lift belt steered dual front axle commercial vehicle according to the present invention;
FIG. 4 is an isometric view of a general layout of a two-axle lift belt steered dual front axle commercial vehicle suspension system in accordance with the present invention;
fig. 5 is a top view of a general layout of a suspension system of a two-axle lift belt steered dual front axle commercial vehicle according to the present invention.
Description of the reference numerals
1. A steering wheel; 2. a steering column; 3. a steering telescopic shaft; 4. a diverter; 5. a steering rocker arm; 6. a first bracket; 7. a one-axis steering tie rod; 8. a first intermediate tie rod; 9. a steering intermediate rocker arm; 10. a second bracket; 11. a second intermediate tie rod; 12. a second steering rocker arm; 13. A two-axis steering linkage; 14. a third support; 15. a frame; 16. a steering oil pump; 17. a steering oil tank; 18. a shaft knuckle arm; 19. a two-axis knuckle arm; 20. a guide arm support; 21. A guide arm; 22. a shock absorber; 23. a lower support of the shock absorber; 24. a load bearing air spring; 25. Lifting the upper bracket; 26. lifting the air spring; 27. and lifting the lower support.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a detailed description of the present invention will be given below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1 to 5: a double-front-axle steering and suspension system with two-axle lifting belt steering comprises a steering control unit, a steering transmission unit and a steering power-assisted unit; the steering control unit comprises a system steering wheel 1, a steering column 2 and a steering telescopic shaft 3; the steering transmission unit comprises a steering transmission system consisting of a steering gear 4, a steering rocker arm 5, a first support 6, a steering intermediate rocker arm 9, a second support 10, a second steering rocker arm 12, a third support 14, a first-shaft steering knuckle arm 18, a second-shaft steering knuckle arm 19, a first-shaft steering pull rod 7, a first intermediate pull rod 8, a second intermediate pull rod 11 and a second-shaft steering pull rod 13; the power steering unit comprises a steering oil pump 16, a power source, a steering oil tank 17 and a steering pipeline; the two-shaft lifting suspension system comprises a guide arm 21, a guide arm bracket 20, a lifting lower bracket 27, a lifting upper bracket 25, a lifting air spring 26, a bearing air spring 24, a shock absorber 22 and a shock absorber lower bracket 23; the guide arm bracket 20 is connected with the vehicle frame 15, the guide arm bracket 20 is connected with the lifting lower bracket 27, one end of the guide arm 21 is connected with the guide arm bracket 20, and the other end of the guide arm is connected with a bearing mechanism, wherein the bearing mechanism comprises a bearing air spring 24, a shock absorber lower bracket 23 and a lifting upper bracket 25; the upper end of the steering column 2 is connected with the steering wheel 1, the lower end of the steering column 2 is connected with the steering telescopic shaft 3, the steering telescopic shaft 3 is connected with the steering gear 4, the steering gear 4 is connected with the vehicle frame 15 through the first bracket 6, the steering rocker arm 5 is connected with the steering gear 4, the steering middle rocker arm 9 is connected with the vehicle frame 15 through the second bracket 10, the second steering rocker arm 12 is connected with the vehicle frame 15 through the third bracket 14 and the guide arm bracket 20, two ends of the one-shaft steering pull rod 7 are respectively connected with the steering rocker arm 5 and the one-shaft steering knuckle arm 18, two ends of the first middle pull rod 8 are respectively connected with the steering rocker arm 5 and the steering middle rocker arm 9, two ends of the second middle pull rod 11 are respectively connected with the steering middle rocker arm 9 and the second steering rocker arm 12, two ends of the two-shaft steering pull rod 13 are respectively connected with the second steering rocker arm 12 and the two-shaft steering knuckle arm 19; the steering oil pump 16, the steering gear 4 and the steering oil tank 17 are connected in series through the steering pipeline to form a circulating system, wherein the steering oil tank 17 is connected with the steering oil pump 16 through a pipeline.
The second steering rocker arm 12 support and the lifting suspension guide arm support 20 are sleeved on the vehicle frame 15, the second steering rocker arm 12 and the two-shaft straight pull rod spherical hinge point are located at the rotation center of the lifting shaft, when the lifting shaft falls down to play a bearing role, the influence on steering hand feeling caused by suspension jumping is reduced, and meanwhile, the rotating angle of wheels of the lifting shaft in the lifting process is reduced.
The lifting air spring 26 is arranged on the inner side of the frame 15, the lifting lower bracket 27 is fixedly connected with the guide arm bracket 20, the lifting upper bracket 25 is fixedly connected with the lifting axle tube through welding, and when the vehicle is unloaded, the lifting air spring 26 is inflated to enable the lifting upper bracket 25 to move upwards, so that the lifting function of the lifting axle is realized; when the vehicle is fully loaded, the lifting upper bracket 25 moves downward, so that the lifting air spring 26 is compressed, and the falling function of the lifting shaft is realized, and the lifting shaft plays a bearing role at the moment. Meanwhile, the steering function can be realized through the second steering rocker arm 12 and the two-shaft straight pull rod.
The upper end of the bearing air spring 24 is connected with the lower wing surface of the frame 15, the lower end of the bearing air spring is fixedly connected with the lower support 23 of the shock absorber and the guide arm 21 through a riding bolt, the upper end of the shock absorber 22 is connected with the frame 15, the lower end of the shock absorber is fixedly connected with the lifting shaft, the guide arm 21 swings up and down with a rolling lug as a center under the impact of the road surface, the bearing air spring 24 bears the weight of goods and vehicles, and the shock absorber 22 mainly buffers the impact from the road surface.
The steering system of the double-front-axle commercial vehicle is characterized in that the steering power of the double-front-axle commercial vehicle and the steering power of the double-axle commercial vehicle are provided by a single high-torque steering gear 4 through a middle rod system; compared with the traditional double-front-axle commercial vehicle, the double-axle steering power-assisted cylinder or the follower, the mounting bracket and the steering pipeline are omitted, the types of parts of the steering system and the flow demand of the system are reduced, and the cost and the power consumption of the whole vehicle are further reduced.
4 output torque of steering gear passes through turn to rocking arm 5 first middle pull rod 8 middle rocking arm 11 in the middle of the second turn to rocking arm 12 with two axle drag link transmit to the promotion axle, because steering system ackerman's principle, the same moment two pivot angles are less than a pivot angle all the time, consequently above steering linkage possesses the effect that reduces the speed and increase the turn round, has promoted two axle steering's ability, simultaneously turn to rocking arm 5 in the middle of turning to rocking arm 9 second turn to rocking arm 12 and turn to the pull rod hinged end all at the homonymy and lie in frame 15 upper flank downside, also for vehicle driver's cabin suspension system, other systems such as feed system provide sufficient arrangement space when having guaranteed whole car two pivot angle relations.
When the vehicle is fully loaded, the lifting shaft falls down to bear the weight of the vehicle from the vehicle frame 15 and goods, the lower end of the lifting shaft is fixedly connected with the lower support 23 of the shock absorber and the guide arm 21 into a whole through the riding bolts to form a bearing mechanism, the upper end of the shock absorber is fixed on a longitudinal beam of the vehicle frame 15, and the lower end of the shock absorber is connected with the bearing mechanism through the lower support 23 of the shock absorber, so that the impact from the road surface is mainly buffered, the vibration of the vehicle is reduced, and the running smoothness is improved.
When the vehicle is unloaded, the lifting air spring 26 lifts the lifting shaft through inflation, wheels on the left side and the right side of the lifting shaft are suspended and steer due to the connection of the steering rod system in the steering process of the vehicle, and the power consumption of the suspended steering of the two shafts can be ignored due to the fact that the lifting shaft does not play a bearing role at the moment, so that the oil consumption of the whole vehicle and the abrasion of tires are reduced; when the vehicle is fully loaded, the lifting air spring 26 is deflated to drop the lifting shaft, the bearing air spring 24 is inflated to enable the lifting shaft to achieve a bearing effect, and the lifting shaft has the active steering and bearing functions at the same time.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A dual front axle steering and suspension system for two-axle belt steering, comprising:
the steering system comprises a steering control unit, a steering transmission unit and a steering power-assisted unit;
the steering control unit comprises a system steering wheel, a steering column and a steering telescopic shaft;
the steering transmission unit comprises a steering transmission system which consists of a steering gear, a steering rocker arm, a first bracket, a steering middle rocker arm, a second bracket, a second steering rocker arm, a third bracket, a first shaft steering knuckle arm, a second shaft steering knuckle arm, a first shaft steering pull rod, a first middle pull rod, a second middle pull rod and a second shaft steering pull rod;
the power steering unit comprises a steering oil pump, a power source, a steering oil tank and a steering pipeline;
the two-shaft lifting suspension system comprises a guide arm, a guide arm bracket, a lifting lower bracket, a lifting upper bracket, a lifting air spring, a bearing air spring, a shock absorber and a shock absorber lower bracket; the guide arm support is connected with the frame, the guide arm support is connected with the lifting lower support, one end of the guide arm is connected with the guide arm support, the other end of the guide arm is connected with the bearing mechanism, and the bearing mechanism comprises a bearing air spring, a shock absorber lower support and a lifting upper support;
the upper end of the steering column is connected with the steering wheel, the lower end of the steering column is connected with the steering telescopic shaft, the steering telescopic shaft is connected with the steering gear, the steering gear is connected with the frame through the first bracket, the steering rocker arm is connected with the steering gear, the steering middle rocker arm is connected with the frame through the second bracket, the second steering rocker arm is connected with the vehicle frame through the third bracket and the guide arm bracket, two ends of the one-shaft steering pull rod are respectively connected with the steering rocker arm and the one-shaft steering knuckle arm, two ends of the first middle pull rod are respectively connected with the steering rocker arm and the steering middle rocker arm, two ends of the second middle pull rod are respectively connected with the steering middle rocker arm and the second steering rocker arm, two ends of the two-shaft steering pull rod are respectively connected with the second steering rocker arm and the two-shaft steering knuckle arm; the steering oil pump, the steering gear and the steering oil tank are connected in series through the steering pipeline by the power-assisted steering system to form a circulating system, wherein the steering oil tank is connected with the steering oil pump through a pipeline.
2. The dual front axle steering and suspension system for two-axle lift belt steering of claim 1, wherein: the second steering rocker arm support and the lifting suspension guide arm support are sleeved on the vehicle frame, and the second steering rocker arm and the two-shaft straight pull rod spherical hinge point are located at the rotation center of the lifting shaft.
3. The dual front axle steering and suspension system according to claim 1 wherein said lift air spring is disposed inboard of the frame, said lift subframe is fixedly attached to said leading arm bracket, and said lift subframe is fixedly attached to the lift axle tube by welding.
4. The dual front axle steering and suspension system according to claim 1 wherein said load bearing air spring has an upper end connected to said lower wing surface of said frame and a lower end fixedly connected to said lower bracket of said shock absorber and said guide arm by means of a saddle-riding bolt, said shock absorber having an upper end connected to said frame and a lower end fixedly connected to said lift axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121911378.9U CN216660022U (en) | 2021-08-16 | 2021-08-16 | Double-front-shaft steering and suspension system with two-shaft lifting belt steering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121911378.9U CN216660022U (en) | 2021-08-16 | 2021-08-16 | Double-front-shaft steering and suspension system with two-shaft lifting belt steering function |
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| Publication Number | Publication Date |
|---|---|
| CN216660022U true CN216660022U (en) | 2022-06-03 |
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| CN202121911378.9U Active CN216660022U (en) | 2021-08-16 | 2021-08-16 | Double-front-shaft steering and suspension system with two-shaft lifting belt steering function |
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| CN (1) | CN216660022U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117087371A (en) * | 2023-09-21 | 2023-11-21 | 驰田汽车股份有限公司 | A double-axle steering balanced suspension system |
| CN118597248A (en) * | 2024-06-17 | 2024-09-06 | 一汽解放汽车有限公司 | Electric power steering device and steering method for dual front axle vehicle |
-
2021
- 2021-08-16 CN CN202121911378.9U patent/CN216660022U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117087371A (en) * | 2023-09-21 | 2023-11-21 | 驰田汽车股份有限公司 | A double-axle steering balanced suspension system |
| CN118597248A (en) * | 2024-06-17 | 2024-09-06 | 一汽解放汽车有限公司 | Electric power steering device and steering method for dual front axle vehicle |
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