CN209888968U - Torsion bar spring independent suspension system of wheel-track conversion vehicle and wheel-track conversion vehicle - Google Patents
Torsion bar spring independent suspension system of wheel-track conversion vehicle and wheel-track conversion vehicle Download PDFInfo
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- CN209888968U CN209888968U CN201920626976.8U CN201920626976U CN209888968U CN 209888968 U CN209888968 U CN 209888968U CN 201920626976 U CN201920626976 U CN 201920626976U CN 209888968 U CN209888968 U CN 209888968U
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Abstract
The utility model relates to a wheel-track conversion vehicle's torsion bar spring independent suspension system comprises each independent suspension who connects in frame (1) and wheel (5), and the wheel is for dividing into eight wheels of four groups, and middle two sets of homonymy wheel respectively covers a track (9) outward and forms middle crawler-type wheel, and the independent suspension of two sets of wheels constitutes the same and links around wherein, the independent suspension of middle two sets of wheels connects and links, independent suspension is torsion bar spring suspension structure. The utility model discloses can realize the conversion of two kinds of traveling modes of wheel and track, make the vehicle can adapt to more complicated road conditions and go.
Description
Technical Field
The utility model belongs to the technical field of automotive suspension control, a vehicle independent suspension system of wheel-track conversion is related to, specifically speaking can control the tire and promote and descend and can realize the wheeled and crawler-type vehicle independent suspension control's of going interconversion of military vehicle system to and be equipped with the vehicle that can realize wheel-track conversion of this independent suspension system.
Background
Due to the complexity of the driving road conditions of military vehicles, independent suspensions are mostly adopted in the suspension structure, and wheel-type structures are mostly adopted in wheels. The disadvantages of wheeled vehicles are as follows: the weight of military wheeled vehicles cannot be too heavy due to the need for wheeled vehicles to account for ground contact pressure, otherwise the wheels tend to sag in soft terrain; the army vehicle is not too thick due to the influence of weight, so that the army vehicle is weak in protection performance; the turning radius of the wheeled military vehicle is larger than that of a crawler type military vehicle. There are also tracked military vehicles of the tank type in military vehicles, and the disadvantages of the tracked military vehicles are as follows: the crawler has low running speed and high energy consumption, and the crawler part is easy to damage; the mobility of the tracked vehicle is lower than that of a wheeled vehicle; once the track of the crawler is broken, the whole crawler cannot move and bounce.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough and provide an environmental suitability wide that military vehicle prior art exists, the vehicle of the manifold wheel-track conversion of service function and a torsion bar spring independent suspension system for realizing wheel-track conversion vehicle.
The utility model discloses wheel track conversion vehicle's torsion bar spring independent suspension system comprises each independent suspension who connects in frame (1) and wheel (5), the wheel is for falling into eight wheels of four groups, and middle two sets of homonymy wheel respectively covers a track (9) outward and forms middle crawler-type wheel, and the independent suspension of two sets of wheels constitutes the same and links around wherein, the independent suspension of middle two sets of wheels connects and links, independent suspension is torsion bar spring suspension structure.
The torsion bar spring suspension of the front and rear wheels comprises a lower arm support (2), a lower control arm (3), an upper control arm (4), a torsion bar (6), a connecting sleeve (7) and a driving motor (8), wherein one end of the lower control arm is connected with the lower arm support through a rotating shaft so as to be connected with a frame, and the other end of the lower control arm is hinged with the wheels; one end of the upper control arm is connected with the frame by a pin shaft, and the other end of the upper control arm is hinged with the wheel; the rotating shaft of the lower control arm is hollow, one end of the rotating shaft is provided with a spline, one end of the torsion bar is connected with the lower control arm through the spline, the other end of the torsion bar is connected with a driving motor through a connecting sleeve, and the driving motor is fixed on the frame.
The torsion bar spring suspension of the middle two groups of wheels comprises a lower arm support (2), a lower control arm (3) and an upper control arm (4) respectively, one end of the lower control arm is connected with the lower arm support through a rotating shaft so as to be connected with the frame (1), and the other end of the lower control arm is hinged with the wheels (5); one end of the upper control arm is connected with the frame by a pin shaft, and the other end of the upper control arm is hinged with the wheel; the rotating shaft of the lower control arm is hollow, and one end of the rotating shaft is provided with a spline; two sets of torsion bar spring suspension share a torsion bar spring (10), a connecting sleeve (7) and a driving motor (8), one end of the torsion bar spring (10) is connected with a lower control arm positioned at two middle end heads (such as the front end) through a spline, the other end of the torsion bar spring is connected with the driving motor through the connecting sleeve positioned at two middle end heads (such as the rear end), and the driving motor is fixed on the frame.
The lower control arm (3) is V-shaped, two ends of a V-shaped opening of the lower control arm are provided with rotating shafts connected with lower arm supports, the two lower arm supports are connected with the vehicle frame (1) through the rotating shafts, and the V-shaped sealing end of the lower control arm is hinged to the vehicle wheels (5).
The utility model provides a wheel-track conversion vehicle, including frame (1), wheel (5) and aforementioned torsion bar spring independent suspension system.
Design more than adopting, the utility model discloses a torsion bar spring independent suspension system has following advantage: the wheels are reasonably grouped, the structure is improved based on the original torsion bar spring independent suspension, the middle two groups of wheels share one motor and the torsion bar spring, and the suspension linkage of each group is controlled through the motor, so that the wheel type and crawler type conversion is realized, the capacity of the vehicle for dealing with complex road conditions is improved, and the conversion of 4 multiplied by 4 wheel type and crawler type driving modes is realized.
Drawings
FIG. 1 is a structural diagram of a torsion bar spring suspension in a wheel-track conversion independent suspension system of the present invention;
fig. 2 is a view of the present invention from the direction a of fig. 1;
FIG. 3 is a schematic view of a 4 × 4 wheel drive ride;
FIG. 4 is a schematic track wheel drive travel;
fig. 5 is a schematic diagram of the wheel-track switching vehicle wheel, frame and independent suspension system of the present invention.
The reference numerals are represented as: the vehicle comprises a vehicle frame 1, a lower arm support 2, an upper control arm 3, a lower control arm 4, wheels 5, a torsion bar 6, a connecting sleeve 7, a driving motor 8, a crawler 9, a torsion bar spring 10 and an independent suspension 20.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The existing military vehicles are either wheeled or tracked, the respective use environments of the military vehicles are limited, and the functions are single. For the user demand of adaptation comprehensive combat readiness, the utility model discloses at first propose the design of wheel-track conversion in military vehicle, provide a wheel-track conversion vehicle.
The wheel-track switching vehicle mainly improves an independent suspension system of the original military vehicle, and the independent suspension system is utilized to control the lifting of wheels, so that the wheel-track switching of the vehicle is realized. The structural design of the wheel-track conversion vehicle is shown in fig. 5 as an example, and comprises a vehicle frame 1 and eight wheels 5 (four wheels on each side) which are distributed and fixed on two sides of the vehicle frame, wherein each wheel 5 is connected with the vehicle frame through a respective independent suspension 20, and the lifting of each wheel is controlled through the independent suspension; all the independent suspensions 20 form a vehicle independent suspension system, and the grouped lifting of the wheels is controlled by the independent suspension system. Furthermore, two wheels 5 fixed on the middle part of the frame are externally covered with a crawler 9 (the inner surface of the crawler 9 is provided with bulges matched with the patterns on the surface of the wheel tyre, after the tyre is deflated, the crawler is arranged on the surface of the tyre, then the tyre is inflated, the crawler is controlled to be tensioned), and the middle two wheels are assembled into a belt type to form a middle two groups of crawler wheels.
The military vehicle designed above can adapt to different use conditions to select different driving modes: when the vehicle runs on the road, the middle two groups of wheels (covered with the crawler belts) can be lifted, so that the vehicle is equivalent to a 4 x 4 driven automobile (see fig. 3) and can run at high speed. On off-road surfaces where tracks are required to travel, the middle two sets of track wheels can be lowered while the first and fourth sets of wheels at the two ends of the frame are raised, so that the tracks can be used to travel (see fig. 4).
The vehicle independent suspension system controls the wheels to orderly lift. The utility model discloses the independent suspension of well constitution vehicle independent suspension system is torsion bar spring suspension structure. Referring to fig. 1 and 2, the independent suspension system of a torsion bar spring suspension structure for a vehicle includes a lower arm support 2 fixed to a vehicle frame 1, a lower control arm 3, an upper control arm 4, a torsion bar 6, a connecting sleeve 7, a driving motor 8, and a torsion bar spring 10. Each wheel 5 is provided with a torsion bar spring suspension, the embodiment shown in fig. 1 is provided with four sets of eight wheels, defined in sequence as a first set of wheels, a second set of wheels, a third set of wheels and a fourth set of wheels, and the outer ends of the second and third sets of wheels 5 are provided with one crawler belt 9 on each left and right. Wherein:
the lower control arm 3 is arranged in torsion bar spring suspensions of the first group of wheels and the fourth group of wheels, two ends of a V-shaped opening of the lower control arm are provided with rotating shafts connected with lower arm supports, the two lower arm supports 2 are connected through the rotating shafts so as to be connected with the frame 1, and a V-shaped sealing end of the lower control arm 3 is hinged with the wheels 5; one end of the upper control arm 4 is connected with the frame 1 by a pin shaft, and the other end is hinged with the wheel 5. The rotation shaft of the lower control arm 3 is hollow and has splines at one end, a torsion bar 6 extends through the rotation shaft of the lower control arm 3, one end of the torsion bar 6 is connected to one lower control arm 3 (shown as the left end in fig. 1) through the splines, and the other end is connected to a driving motor 8 through a connecting sleeve 7, see fig. 2. The driving motor 8 is fixed on the frame 1, can drive the torsion bar 6 to rotate, and can be self-locked to lock the output shaft of the driving motor 8, so that the driving motor 8 can be used as a support of the torsion bar 6 and used for fixing the torsion bar 6.
In the torsion bar spring suspension of the second group and the third group of wheels, the arrangement of the lower arm support 2, the lower control arm 3 and the upper control arm 4 is completely the same as that of the first group and the fourth group, but two groups share a connecting sleeve 7 and a driving motor 8, and two groups share a torsion bar spring 10, taking the example shown in fig. 1, the driving motor 8 is installed outside (i.e. at the rear end) of the suspension of the third group of wheels, the torsion bar connected with the driving motor 8 (through the connecting sleeve 7) extends to the outside (i.e. at the rear end) of the suspension of the second group of wheels, i.e. two groups share a torsion bar, i.e. the torsion bar spring 10, and similarly, the driving motor 8 can drive the torsion bar spring 10 to rotate in the same way as the driving torsion bar 6.
When the wheel-track conversion vehicle independent suspension system of the torsion bar spring suspension structure works, the driving motor 8 is connected with the torsion bar 6 or the torsion bar spring 10 through the connecting sleeve 7, so that the driving motor 8 rotates to drive the torsion bar 6 or the torsion bar spring 10 to rotate, the torsion bar 6 or the torsion bar spring 10 is connected with the lower control arm 3 through the spline, the lower control arm 3 is hinged with the wheel 5, and the driving motor 8 rotates to indirectly drive the wheel 5 to lift. The angle of rotation of the drive motor 8 can be limited so that the elevation of the wheel 5 is controlled. The driving motor 8 has a self-locking function, that is, the driving motor 8 can be self-locked at any angle within the rotation angle range thereof, so as to ensure that the output shaft is locked, thus the driving motor 8 is equivalent to a fixed support of the torsion bar 6 or the torsion bar spring 10, and the torsion bar 6 or the torsion bar spring 10 can realize the vibration attenuation function. The same group of driving motors on the left side and the right side of the frame 1 work simultaneously to ensure that the two wheels in the same group lift synchronously. The middle two groups of wheel suspensions share one driving motor 8 and one torsion bar spring 10, the driving motor 8 drives the torsion bar spring 10 to drive the middle two groups of wheels to lift simultaneously, and the driving motors on the left side and the right side of the frame 1 work simultaneously to ensure that the wheels on the two sides lift synchronously.
By using the wheel-track conversion vehicle independent suspension system with the torsion bar spring suspension structure, the switching of lifting the middle two groups of wheels, lowering the front and rear two groups of wheels (wheel type 4 x 4 running) and lifting the middle two groups of wheels (track type running) can be realized by controlling the driving motor 8.
It will be understood by those skilled in the art that these examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention, and that various equivalent modifications and adaptations of the invention are intended to fall within the scope of the invention disclosed herein.
Claims (5)
1. A torsion bar spring independent suspension system of a wheel-track conversion vehicle is composed of independent suspensions connected with a vehicle frame (1) and wheels (5), and is characterized in that the wheels are eight wheels divided into four groups, a track (9) is respectively coated on the two middle groups of wheels on the same side to form a middle crawler-type wheel, the independent suspensions of the front and rear groups of wheels form the same linkage, the independent suspensions of the middle two groups of wheels are connected and linked, and the independent suspensions are in a torsion bar spring suspension structure.
2. The torsion bar spring independent suspension system according to claim 1, wherein the torsion bar spring suspension of the front and rear two groups of wheels comprises a lower arm support (2), a lower control arm (3), an upper control arm (4), a torsion bar (6), a connecting sleeve (7) and a driving motor (8), one end of the lower control arm is connected with the lower arm support through a rotating shaft and is connected with the frame, and the other end of the lower control arm is hinged with the wheels; one end of the upper control arm is connected with the frame by a pin shaft, and the other end of the upper control arm is hinged with the wheel; the rotating shaft of the lower control arm is hollow, one end of the rotating shaft is provided with a spline, one end of the torsion bar is connected with the lower control arm through the spline, the other end of the torsion bar is connected with a driving motor through a connecting sleeve, and the driving motor is fixed on the frame.
3. A torsion bar spring independent suspension system according to claim 1 or 2, characterized in that the torsion bar spring suspensions of the two middle groups of wheels comprise respective lower arm supports (2), a lower control arm (3) and an upper control arm (4), the lower control arm being connected at one end to the lower arm supports via a swivel axis to be connected to the frame (1) and at the other end being articulated to the wheel (5); one end of the upper control arm is connected with the frame by a pin shaft, and the other end of the upper control arm is hinged with the wheel; the rotating shaft of the lower control arm is hollow, and one end of the rotating shaft is provided with a spline; two sets of torsion bar spring suspension shares a torsion bar spring (10), a connecting sleeve (7) and a driving motor (8), one end of the torsion bar spring (10) is connected with a lower control arm positioned at two middle end heads through splines, the other end of the torsion bar spring is connected with the driving motor through the connecting sleeve positioned at two middle end heads, and the driving motor is fixed on the frame.
4. A torsion bar spring independent suspension system according to claim 3, wherein said lower control arm (3) is V-shaped, and a rotation shaft connected to the lower arm support is provided at both ends of the V-shaped opening, and is connected to the vehicle frame (1) by connecting the two lower arm supports through the rotation shaft, and the closed V-shaped end of the lower control arm is hinged to the wheel (5).
5. A wheel-track conversion vehicle comprising a frame (1), a wheel (5) and a torsion bar spring independent suspension system according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920626976.8U CN209888968U (en) | 2019-05-05 | 2019-05-05 | Torsion bar spring independent suspension system of wheel-track conversion vehicle and wheel-track conversion vehicle |
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| CN201920626976.8U CN209888968U (en) | 2019-05-05 | 2019-05-05 | Torsion bar spring independent suspension system of wheel-track conversion vehicle and wheel-track conversion vehicle |
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| CN209888968U true CN209888968U (en) | 2020-01-03 |
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| CN201920626976.8U Active CN209888968U (en) | 2019-05-05 | 2019-05-05 | Torsion bar spring independent suspension system of wheel-track conversion vehicle and wheel-track conversion vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065543A (en) * | 2019-05-05 | 2019-07-30 | 北京中资燕京汽车有限公司 | A kind of independent suspension for vehicle system, a kind of wheel carry out conversion vehicle and driving mode conversion method |
| CN113147931A (en) * | 2021-04-14 | 2021-07-23 | 上海交通大学 | Crawler chassis working in mixed mode |
-
2019
- 2019-05-05 CN CN201920626976.8U patent/CN209888968U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065543A (en) * | 2019-05-05 | 2019-07-30 | 北京中资燕京汽车有限公司 | A kind of independent suspension for vehicle system, a kind of wheel carry out conversion vehicle and driving mode conversion method |
| CN110065543B (en) * | 2019-05-05 | 2024-03-08 | 北京中资燕京汽车有限公司 | Independent suspension system of vehicle, wheel-track conversion vehicle and running mode conversion method |
| CN113147931A (en) * | 2021-04-14 | 2021-07-23 | 上海交通大学 | Crawler chassis working in mixed mode |
| CN113147931B (en) * | 2021-04-14 | 2023-03-14 | 上海交通大学 | Crawler chassis working in mixed mode |
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