CN112874255B - Balanced suspension system of unmanned vehicle - Google Patents
Balanced suspension system of unmanned vehicle Download PDFInfo
- Publication number
- CN112874255B CN112874255B CN202110233581.3A CN202110233581A CN112874255B CN 112874255 B CN112874255 B CN 112874255B CN 202110233581 A CN202110233581 A CN 202110233581A CN 112874255 B CN112874255 B CN 112874255B
- Authority
- CN
- China
- Prior art keywords
- spring
- torsion
- air
- frame
- axle
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
- B60G11/44—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also torsion-bar springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
- B60G11/46—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also fluid springs
- B60G11/465—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also fluid springs with a flexible wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/051—Trailing arm twist beam axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
- B60G2202/114—Leaf spring transversally arranged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/13—Torsion spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/82—Interactive suspensions; arrangement affecting more than one suspension unit left and right unit on same axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
- B60G2204/83—Type of interconnection
- B60G2204/8302—Mechanical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a balanced suspension system of an unmanned vehicle, which comprises: an axle; the first steel plate spring and the second steel plate spring are respectively arranged at two ends of the axle; the first air springs are fixedly arranged at two ends of the first steel plate spring, and the second air springs are respectively arranged at two ends of the second steel plate spring; the torsion balance frame comprises a U-shaped torsion frame, air bags, a torsion bottom plate and a torsion spring, wherein the middle part of the U-shaped torsion frame is connected to the axle in a pin mode, the air bags are fixedly arranged at two ends of the U-shaped torsion frame respectively, the torsion bottom plate is arranged at the bottom end of each air bag, the torsion bottom plate is arranged at the bottom end of the pressing plate in a covering mode, the torsion bottom plate and the pressing plate are fixedly connected, two ends of the U-shaped torsion frame are fixedly connected with the torsion spring respectively, and the other end of the torsion spring is fixedly connected with the axle; the frame is fixedly arranged above the first air spring and the second air spring. The system can realize load balance among bridges, and simultaneously considers the problem of comfort.
Description
Technical Field
The invention relates to the technical field of unmanned vehicles, in particular to a balanced suspension system of an unmanned vehicle.
Background
The vehicle suspension system has the functions of supporting a vehicle body, buffering vibration, transferring force and the like, mainly dominates the driving characteristics of a vehicle, has important influence on the trafficability, smoothness and safety of the whole vehicle, and is the main content of the general layout design and motion check of the vehicle. The suspension system of the multi-axle vehicle with three or more axles has the characteristic of static and indeterminate, and the more the number of the axles is, the higher the static and indeterminate order is. In order to adjust the axle load of each axle, a balancing mechanism is often adopted to connect a plurality of axles, and a two-axle and three-axle balancing suspension is common.
At present, a suspension system of an unmanned automobile mainly adopts a single-axle double-leaf spring suspension, when the automobile needs to go up and down a slope or pass through a hollow uneven road, the height difference between each axle is large, the single-axle double-leaf spring suspension system cannot realize load balance between each axle, single axle overload is easily caused, and even axle damage or tire burst can be caused in serious cases; meanwhile, the problem of how to improve the comfort while preventing the axle from being damaged or the tire from being burst is also considered.
Disclosure of Invention
In view of this, the invention provides a balanced suspension system for an unmanned vehicle, which can realize load balance among bridges and simultaneously consider the problem of comfort.
In order to achieve the purpose, the invention adopts the following technical scheme:
a balance suspension system of an unmanned vehicle comprises an axle and a steel plate spring, wherein the steel plate spring comprises a first steel plate spring and a second steel plate spring which are respectively and fixedly arranged at two ends of the axle;
the air springs comprise a first air spring and a second air spring, the first air spring is fixedly arranged at two ends of the first steel plate spring, and the second air spring is respectively fixedly arranged at two ends of the second steel plate spring; the end surfaces of the first air spring and the second air spring close to the inner sides are fixedly provided with a pressing plate;
the torsion balance frame comprises a U-shaped torsion frame, air bags, a torsion bottom plate and a torsion spring, the middle part of the U-shaped torsion frame is connected to the axle in a pin mode, the air bags are fixedly arranged at two ends of the U-shaped torsion frame respectively, the torsion bottom plate is fixedly arranged at the bottom end of each air bag, the torsion bottom plate is arranged at the bottom end of the pressing plate in a covering mode, the torsion bottom plate and the pressing plate are fixedly connected, the U-shaped torsion frame, the first air spring and the second air spring form a Z shape, two ends of the U-shaped torsion frame are fixedly connected with the torsion spring respectively, and the other end of the torsion spring is fixedly connected with the axle;
the frame is fixedly arranged above the first air spring and the second air spring;
the torsion spring is sleeved in a hollow sleeve, and the hollow sleeve is fixedly arranged on the axle; the hollow sleeve is L-shaped.
Preferably, the air cell is made of an elastic material, and is filled with air.
Preferably, threaded through holes are formed in the torsion bottom plate and the pressing plate in a penetrating mode, and fastening screws are connected to the threaded through holes in an internal thread mode.
Compared with the prior art, the invention has the beneficial effects that:
(1) when the load on the frame is small, the first air spring and the second air spring play a role in supporting, so that the comfort is improved;
(2) the first steel plate spring and the second steel plate spring are connected by the U-shaped torsion frame, so that when a vehicle runs on a downhill or on a pothole road surface, the height difference is adapted to the height difference through swinging a corresponding angle when the height difference occurs between the first steel plate spring and the second steel plate spring, and the first steel plate spring and the second steel plate spring are ensured to land simultaneously, so that the load distribution between two bridges is effectively balanced, and the overload of a single bridge is prevented;
(3) the U-shaped torsion frame is pinned on the axle and can rotate freely to a certain degree, two ends of the U-shaped torsion frame are connected with the torsion spring to generate reverse torsion, so that vibration is prevented, stability and comfortableness are guaranteed, and the force enables the rear axle not to affect the steering characteristic of the whole vehicle and improves the straight-line driving capability.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an overall top view of the present invention;
fig. 3 is an overall right side view of the present invention.
In the figure: 1. an axle; 2. a frame; 3. a first leaf spring; 4. a second leaf spring; 5. a first air spring; 6. a second air spring; 7. a pressing plate; 8. a U-shaped torsion frame; 9. an air bag; 10. a torsion base plate; 11. a torsion spring; 12. fastening screws; 13. a hollow sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-3, an unmanned vehicle counterbalanced suspension system includes an axle 1, leaf springs, air springs, a torsion equalizer, and a frame 2.
This leaf spring includes first leaf spring 3, second leaf spring 4, and first leaf spring 3, second leaf spring 4 are fixed respectively and are located the both ends of axle 1.
The air spring comprises a first air spring 5 and a second air spring 6, wherein the first air spring 5 is fixedly arranged at two ends of a first steel plate spring 3, and the second air spring 6 is respectively fixedly arranged at two ends of a second steel plate spring 4; the end surfaces of the first air spring 5 and the second air spring 6 close to the inner sides are fixedly provided with a pressing plate 7.
This torsion balancing stand includes "U" shape torque frame 8, gasbag 9, torsion bottom plate 10 and torque spring 11, "U" shape torque frame 8's middle part pin joint is on axle 1, "U" shape torque frame 8's both ends are fixed respectively and are equipped with gasbag 9, gasbag 9 is made by elastic material, is full of the air in it, gasbag 9's bottom mounting is equipped with torsion bottom plate 10, torsion bottom plate 10 lid is located the bottom of pressure plate 7, torsion bottom plate 10, pressure plate 7 fixed connection, specifically: threaded through holes are formed in the torsion bottom plate 10 and the pressing plate 7 in a penetrating mode, and fastening screws 12 are connected to the threaded through holes in an internal thread mode.
The U-shaped torsion frame 8, the first air spring 5 and the second air spring 6 form a Z shape, two ends of the U-shaped torsion frame 8 are respectively fixedly connected with a torsion spring 11, the other end of the torsion spring 11 is fixedly connected with the axle 1, and specifically: the torsion spring 11 is sleeved in the hollow sleeve 13, the hollow sleeve 13 is L-shaped, and the hollow sleeve 13 is fixedly arranged on the axle 1.
The main frame 2 is fixedly arranged above the first air spring 5 and the second air spring 6.
The working principle of the invention is as follows;
(1) when the load on the frame is small, the first air spring and the second air spring play a role in supporting, so that the comfort is improved;
(2) the first steel plate spring and the second steel plate spring are connected by the U-shaped torsion frame, so that when a vehicle runs on a downhill or on a pothole road surface, the height difference is adapted to the height difference through swinging a corresponding angle when the height difference occurs between the first steel plate spring and the second steel plate spring, and the first steel plate spring and the second steel plate spring are ensured to land simultaneously, so that the load distribution between two bridges is effectively balanced, and the overload of a single bridge is prevented;
(3) the U-shaped torsion frame is pinned on the axle and can rotate freely to a certain degree, two ends of the U-shaped torsion frame are connected with the torsion spring to generate reverse torsion, so that vibration is prevented, stability and comfortableness are guaranteed, and the force enables the rear axle not to affect the steering characteristic of the whole vehicle and improves the straight-line driving capability.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (3)
1. A balance suspension system of an unmanned vehicle comprises an axle and a steel plate spring, wherein the steel plate spring comprises a first steel plate spring and a second steel plate spring which are respectively and fixedly arranged at two ends of the axle; it is characterized by also comprising:
the air springs comprise a first air spring and a second air spring, the first air spring is fixedly arranged at two ends of the first steel plate spring, and the second air spring is respectively fixedly arranged at two ends of the second steel plate spring; the end surfaces of the first air spring and the second air spring close to the inner sides are fixedly provided with a pressing plate;
the torsion balance frame comprises a U-shaped torsion frame, air bags, a torsion bottom plate and a torsion spring, the middle part of the U-shaped torsion frame is connected to the axle in a pin mode, the air bags are fixedly arranged at two ends of the U-shaped torsion frame respectively, the torsion bottom plate is fixedly arranged at the bottom end of each air bag, the torsion bottom plate is arranged at the bottom end of the pressing plate in a covering mode, the torsion bottom plate and the pressing plate are fixedly connected, the U-shaped torsion frame, the first air spring and the second air spring form a Z shape, two ends of the U-shaped torsion frame are fixedly connected with the torsion spring respectively, and the other end of the torsion spring is fixedly connected with the axle;
the frame is fixedly arranged above the first air spring and the second air spring;
the torsion spring is sleeved in a hollow sleeve, and the hollow sleeve is fixedly arranged on the axle; the hollow sleeve is L-shaped.
2. The balanced suspension system for an unmanned vehicle according to claim 1, wherein the air bag is made of an elastic material and filled with air.
3. The unmanned vehicle balanced suspension system of claim 1, wherein threaded through holes are formed through the torsion base plate and the pressure plate, and fastening screws are connected to the threaded through holes in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110233581.3A CN112874255B (en) | 2021-03-03 | 2021-03-03 | Balanced suspension system of unmanned vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110233581.3A CN112874255B (en) | 2021-03-03 | 2021-03-03 | Balanced suspension system of unmanned vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112874255A CN112874255A (en) | 2021-06-01 |
| CN112874255B true CN112874255B (en) | 2022-05-27 |
Family
ID=76055345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110233581.3A Active CN112874255B (en) | 2021-03-03 | 2021-03-03 | Balanced suspension system of unmanned vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112874255B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1550058A (en) * | 1965-11-29 | 1968-12-20 | ||
| US5678845A (en) * | 1996-01-29 | 1997-10-21 | Reyco Industries, Inc. | Stabilizer for a steer axle air ride suspension of a vehicle |
| CN101117089A (en) * | 2007-09-18 | 2008-02-06 | 金勇虎 | Automobile vibration reduction method |
| CN201494276U (en) * | 2009-09-16 | 2010-06-02 | 赵庆华 | Corrective device |
| CN205395690U (en) * | 2016-03-04 | 2016-07-27 | 成都雅骏新能源汽车科技股份有限公司 | Electricelectric moves light truck air suspension system |
| CN205916144U (en) * | 2016-08-29 | 2017-02-01 | 秦皇岛鸿鼎轻工机械技术有限公司 | Card rail car wheel independent suspension |
| CN208393014U (en) * | 2018-06-15 | 2019-01-18 | 湖北三环智能科技有限公司 | A kind of automatic driving vehicle equalizing suspension system |
| CN109733145A (en) * | 2019-03-12 | 2019-05-10 | 核心驱动科技（金华）有限公司 | A kind of automobile and its suspension system |
-
2021
- 2021-03-03 CN CN202110233581.3A patent/CN112874255B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112874255A (en) | 2021-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5197755A (en) | Independent wheel suspension system for vehicles | |
| EP0160092A4 (en) | Air suspension system. | |
| US4667974A (en) | Increased roll stability suspension system | |
| CN103660842A (en) | Plate spring balancing suspension bracket mechanism and engineering vehicle provided with plate spring balancing suspension bracket mechanism | |
| CN112874255B (en) | Balanced suspension system of unmanned vehicle | |
| CN105264256A (en) | Suspension coil spring and strut-type suspension device | |
| US8282115B2 (en) | Independent air suspension for off-road trailers | |
| CN106347060B (en) | A kind of equalizing type of suspension and automobile | |
| CN218616134U (en) | Air suspension structure of trailer | |
| CN114750554A (en) | Automobile-used suspension and car | |
| CN108909391B (en) | Main and auxiliary spring structure and suspension | |
| CN106994981A (en) | A kind of central mounting device and railway goods train bogie | |
| CN110077187A (en) | A kind of high bearing capacity vehicle platform | |
| US7469913B2 (en) | Axle tower | |
| CN201442502U (en) | Double rear-axle air suspension bracket | |
| KR20040055736A (en) | Method and apparatus for suspending a vehicular wheel assembly | |
| NZ562135A (en) | Axle tower | |
| CN209833294U (en) | Thrust rod support for heavy truck | |
| CN200939817Y (en) | Single swinging arm air suspension combined structure of semitrailer | |
| US3022991A (en) | Spring and shackle connector | |
| CN214396323U (en) | Multi-axle truck and composite suspension axle load distribution mechanism | |
| JPH11151922A (en) | Suspension device for axle | |
| KR100412699B1 (en) | Rear suspension system for veicles | |
| KR100412700B1 (en) | Rear suspension system for veicles | |
| CN214647432U (en) | Suspension device and low-speed transport vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |