CN215970988U

CN215970988U - FSC suspension system based on reverse technology

Info

Publication number: CN215970988U
Application number: CN202122594875.7U
Authority: CN
Inventors: 李敬凯; 寇洪瑞; 吴博
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-08
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses an FSC suspension system based on a reverse technology, which comprises a wheel side assembly, wherein an upright post is installed at the back of the wheel side assembly, a first lifting lug is installed at the center of the top of the upright post, an upper A arm is fixed inside the first lifting lug through a ball head group, a lower A arm is fixed at the center of the bottom of the upright post through the ball head group, one side, close to the upright post, of the lower A arm is connected with one end of a push rod through a hinge, the other end of the push rod is hinged and fixed at one side of a guide block, the other side of the guide block is connected with one end of a shock absorber group, and the shock absorber group is hinged and fixed at two sides of a shock absorber support. The utility model has novel structure and ingenious conception, and can control the up-and-down jumping of the wheels of the racing car and the rotation of the wheels around the main pin, thereby ensuring the high-speed running and the running smoothness during turning of the racing car and the operation stability of a driver.

Description

FSC suspension system based on reverse technology

Technical Field

The utility model relates to the technical field of FSC suspension, in particular to an FSC suspension system based on a reverse technology.

Background

The reverse technology is to carry out 3D scanning and data acquisition on the original shape of the real object, and construct a three-dimensional model with the same shape and structure through the processes of data processing, three-dimensional reconstruction and the like. Then, the original shape is copied or redesigned on the basis of the original shape, and innovation is realized. The reverse engineering is not a simple 3D scanning and copying process, and the purpose of the reverse engineering is to obtain point clouds by using real objects, and to perform an optimization design and an innovative design based on the point clouds.

The suspension of the FSC racing car is an important part for connecting a car frame and wheels of the racing car, bears the whole weight of the car, and needs to absorb the vibration caused by uneven road surface in the driving process, and simultaneously keeps small changes of car body posture and angles of the wheels in the turning process of the car, so that the suspension is an important system in the design of the racing car, and in order to ensure that the gravity center height of the racing car can be conveniently and effectively reduced, the unsprung mass is reduced, and the comprehensive performance of the suspension is improved. Therefore, it is necessary to design an FSC suspension system based on the reverse technique.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the FSC suspension system based on the reverse technology, has novel structure and ingenious conception, and can control the vertical jumping of the wheels of the racing car and the rotation of the wheels around a kingpin, thereby ensuring the high-speed running and the running smoothness during turning of the racing car and the operation stability of a driver.

The technical scheme adopted by the utility model is as follows:

the first embodiment is as follows: FSC suspension system based on reverse technique, including the wheel limit assembly, the stand is installed at the back of wheel limit assembly, the top center department of stand installs lug one, the inside of lug one is fixed with A arm through bulb group, the bottom center department of stand is fixed with down A arm through bulb group, the one side that is close to the stand on the A arm down is connected with the one end of push rod through the hinge, the other end of push rod is articulated to be fixed in one side of guide block, the opposite side of guide block is connected with the one end of shock absorber group, the articulated both sides of fixing at the shock absorber support of shock absorber group.

Preferably, a trapezoidal arm is installed on one side of the upright post, and a tie rod is fixed on the trapezoidal arm through a ball head group.

Example two: FSC suspension system based on reverse technique, including the wheel limit assembly, the stand is installed at the back of wheel limit assembly, the top center department of stand installs lug one, the inside of lug one is fixed with A arm through bulb group, the bottom center department of stand installs lug two, one side of lug two is fixed with down A arm through bulb group, the one side that is close to the stand on the A arm down is connected with the one end of push rod through the hinge, the other end of push rod articulates the one side of fixing at the guide block, the opposite side of guide block is connected with the one end of shock absorber group, the articulated both sides of fixing at the shock absorber support of shock absorber group.

Preferably, a toe-in adjusting rod is fixed to the other side of the second lifting lug through a ball head group.

Preferably, the side edge of the guide block is hinged and fixed with a pull arm, and the other ends of the two pull arms are respectively hinged and fixed at two ends of the anti-roll bar.

The utility model has the beneficial effects that:

1. the up-and-down jumping of the wheels of the racing car and the rotation of the wheels around the main pin can be controlled, so that the high-speed running and the running smoothness during turning of the racing car and the operation stability of a driver are ensured;

2. the anti-roll bar is a powerful supplement of the angular stiffness of the suspension, the chassis can reach an ideal roll gradient, the comprehensive debugging of the front and rear anti-roll bars can also change the steering characteristic of the racing car, the increase of the angular stiffness of the front overhang can lead the racing car to tend to understeer, and the increase of the angular stiffness of the rear overhang is opposite.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic overall plan view of an embodiment of the present invention;

FIG. 2 is a schematic plan view of a wheel-rim assembly according to an embodiment of the present invention;

FIG. 3 is a schematic overall plan view of the second embodiment of the present invention;

FIG. 4 is a schematic plan view of a second wheel-rim assembly according to an embodiment of the present invention;

reference numbers in the figures: 1. a shock absorber support; 2. a shock absorber group; 3. a guide block; 4. a push rod; 5. a hinge; 6. a lower arm A; 7. a wheel edge assembly; 8. a column; 9. a first lifting lug; 10. a ball head group; 11. an upper arm A; 12. a trapezoidal arm; 13. a toe-in adjusting lever; 14. pulling the arm; 15. an anti-roll bar; 16. a tie rod; 17. and a second lifting lug.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

Example one

As shown in fig. 1 and 2, the present invention provides the following technical solutions: the FSC suspension system based on the reverse technology comprises a wheel edge assembly 7, wherein an upright post 8 is installed at the back of the wheel edge assembly 7, a first lifting lug 9 is installed at the center of the top of the upright post 8, an upper A arm 11 is fixed inside the first lifting lug 9 through a ball head group 10, a lower A arm 6 is fixed at the center of the bottom of the upright post 8 through the ball head group 10, one side, close to the upright post 8, of the lower A arm 6 is connected with one end of a push rod 4 through a hinge 5, the other end of the push rod 4 is hinged and fixed at one side of a guide block 3, the other side of the guide block 3 is connected with one end of a shock absorber group 2, the shock absorber group 2 is hinged and fixed at two sides of a shock absorber support 1, when a racing car runs at a high speed or turns, due to the centrifugal force of steering and uneven road surface, the left side and the right side of the racing car are stressed unevenly, power can be transmitted to the suspension system through the wheel edge assembly 7, and the suspension system transmits power through the lower A arm 6 and the upper A arm 11, the freedom degree of the wheel is limited, the outer point of the upper A arm 6 is connected with the upright post 8 on the wheel edge assembly 7 by a ball head group 10, the two inner points of the upper A arm are connected with the vehicle frame by column hinges, so the connecting point of the wheel and the upper A arm 6 has one rotation freedom degree, the rotating shaft is the column hinge formed by the upper A arm 6 and the vehicle frame, the wheel edge assembly 7 also has 3 rotation freedom degrees around the point, the wheel edge assembly 7 has 4 freedom degrees at the moment, simultaneously the outer point of the lower A arm 11 is connected with the upright post 8 on the wheel edge assembly 7 by the ball head group 10, the connecting line of the two outer points of the lower A arm 11 is called a main pin, also called a main pin axis, in a transverse plane, the vehicle frame, the two lower A arms 6, the upper A arm 11 and the main pin form a four-bar mechanism, the mechanism has 1 rotation freedom degree, and the wheel edge assembly 7 can have 1 rotation freedom degree by taking the main pin as an axis, so the suspension of the double cross arm can limit the freedom degree of the wheel edge assembly 7 to 2, one is the freedom degree of the wheel edge assembly 7 jumping up and down relative to the frame, and the other is the freedom degree of the wheel edge assembly 7 rotating around the main pin, so that the up-and-down jumping of the wheels of the racing car and the rotation of the wheels around the main pin can be controlled, and the high-speed running, the running smoothness during turning and the operation stability of a driver of the racing car can be ensured.

Preferably, a trapezoidal arm 12 is installed at one side of the upright 8, and a tie rod 16 is fixed on the trapezoidal arm 12 through a ball group 10, so that the suspension is suitable for a front suspension system.

Example two

As shown in fig. 3 and 4, the present invention provides the following technical solutions: the FSC suspension system based on the reverse technology comprises a wheel edge assembly 7, wherein an upright post 8 is installed at the back of the wheel edge assembly 7, a first lifting lug 9 is installed at the center of the top of the upright post 8, an upper A arm 11 is fixed inside the first lifting lug 9 through a ball head group 10, a second lifting lug 17 is installed at the center of the bottom of the upright post 8, a lower A arm 6 is fixed on one side of the second lifting lug 17 through the ball head group 10, one side, close to the upright post 8, of the lower A arm 6 is connected with one end of a push rod 4 through a hinge 5, the other end of the push rod 4 is hinged and fixed on one side of a guide block 3, the other side of the guide block 3 is connected with one end of a shock absorber group 2, the shock absorber group 2 is hinged and fixed on two sides of a shock absorber support 1, when a racing car frame and an axle do reciprocating relative motion, a piston in the shock absorber group 2 also does reciprocating motion in a cylinder barrel, so that oil in a shock absorber shell repeatedly flows into a working cylinder through narrow and small gaps from an oil reservoir, at the moment, the friction between the hole wall and the oil liquid and the liquid intramolecular friction form damping force to vibration, so that the vibration energy of the vehicle body and the vehicle frame is converted into heat energy, absorbed by the oil liquid and the shock absorber shell and then dissipated into the atmosphere.

Preferably, the toe-adjusting rod 13 is fixed to the other side of the second lifting lug 17 through the ball head group 10, and is suitable for being used on a rear suspension system.

EXAMPLE III

Referring to fig. 1 and 3, the side of the guide block 3 is hinged and fixed with a pull arm 14, the other ends of the two pull arms 14 are respectively hinged and fixed at two ends of an anti-roll bar 15, the anti-roll bar 15 is a powerful supplement of the angular stiffness of the suspension, so that the chassis can reach an ideal roll gradient, the comprehensive debugging of the front and rear anti-roll bars can also change the steering characteristic of the racing car, the increase of the angular stiffness of the front suspension can lead the racing car to tend to understeer, and the increase of the angular stiffness of the rear suspension is opposite.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. FSC suspension system based on reverse technology, including wheel limit assembly (7), its characterized in that: stand (8) are installed at the back of round of limit assembly (7), the top center department of stand (8) installs lug (9), the inside of lug (9) is fixed with last A arm (11) through bulb group (10), the bottom center department of stand (8) is fixed with down A arm (6) through bulb group (10), the one side that is close to stand (8) on A arm (6) down is passed through hinge (5) and is connected with the one end of push rod (4), the other end of push rod (4) is articulated to be fixed in one side of guide block (3), the opposite side of guide block (3) is connected with the one end of shock absorber group (2), the both sides at shock absorber support (1) are fixed in shock absorber group (2) are articulated.

2. A reverse technology based FSC suspension system according to claim 1, wherein: a trapezoidal arm (12) is installed on one side of the upright post (8), and a steering tie rod (16) is fixed on the trapezoidal arm (12) through a ball head group (10).

3. FSC suspension system based on reverse technology, including wheel limit assembly (7), its characterized in that: stand (8) are installed at the back of wheel limit assembly (7), the top center department of stand (8) installs lug (9), the inside of lug (9) is fixed with A arm (11) through bulb group (10), the bottom center department of stand (8) installs lug two (17), one side of lug two (17) is fixed with down A arm (6) through bulb group (10), one side that is close to stand (8) on A arm (6) down is connected with the one end of push rod (4) through hinge (5), the other end of push rod (4) is articulated to be fixed in one side of guide block (3), the opposite side of guide block (3) is connected with the one end of shock absorber group (2), the both sides at shock absorber support (1) are fixed in shock absorber group (2) articulated.

4. A FSC suspension system based on the reverse technique, according to claim 3, wherein: and a toe-in adjusting rod (13) is fixed on the other side of the second lifting lug (17) through a ball head group (10).

5. A FSC suspension system based on the reverse technique according to claim 1 or 3, characterized in that: the side edge of the guide block (3) is hinged and fixed with a pull arm (14), and the other ends of the two pull arms (14) are respectively hinged and fixed at two ends of an anti-roll bar (15).