CN208868142U - Vehicle body sliding system and vehicle - Google Patents
Vehicle body sliding system and vehicle Download PDFInfo
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- CN208868142U CN208868142U CN201821360192.7U CN201821360192U CN208868142U CN 208868142 U CN208868142 U CN 208868142U CN 201821360192 U CN201821360192 U CN 201821360192U CN 208868142 U CN208868142 U CN 208868142U
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- 238000005452 bending Methods 0.000 description 11
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Abstract
The utility model provides a kind of vehicle body sliding system and vehicle, belongs to technical field of vehicle, which includes lower body assembly, upper body assembly, at least one sliding driving device and at least one sliding support mechanism；It is slidably connected between lower body assembly and upper body assembly by least one sliding driving device, sliding driving device can drive upper body assembly to move along two side directions of lower body assembly, the setting of at least one sliding supporting structure is separately connected lower body assembly and upper body assembly to provide sliding support, the vehicle body sliding system can solve the deficiency of existing vehicle, the situation of vehicle rollover or sideslip can be avoided by adjusting the shift position of upper body assembly to realize the excessively curved ability of high speed；The vehicle includes controller and above-mentioned vehicle body sliding system.
Description
Technical Field
The utility model relates to the technical field of vehicles, concretely relates to automobile body sliding system and vehicle.
Background
The existing automobiles, especially the miniaturized low-speed automobiles or electric automobiles, have the characteristics of small wheel track and high center of gravity, so that the over-bending capability is limited, namely, if the automobiles are over-bent at a high speed, the side-turning or side-slipping condition of the automobiles can occur because the automobile bodies cannot be adjusted in a sliding manner, and the wider application of the automobiles is limited.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide an automobile body sliding system, this automobile body sliding system can solve the above-mentioned not enough of current vehicle, can avoid the vehicle situation of turning on one's side or sideslipping in order to realize the high-speed ability of bending over through the shift position of adjusting the upper vehicle body assembly.
A second object of the present invention is to provide a vehicle using the above vehicle body sliding system.
Based on above-mentioned first purpose, the utility model provides a vehicle body sliding system, include: the device comprises a lower vehicle body assembly, an upper vehicle body assembly, at least one sliding driving device and at least one sliding supporting mechanism;
the lower vehicle body assembly is connected with the upper vehicle body assembly in a sliding mode through at least one sliding driving device, the sliding driving device can drive the upper vehicle body assembly to move along the directions of two sides of the lower vehicle body assembly, and at least one sliding supporting structure is arranged to be respectively connected with the lower vehicle body assembly and the upper vehicle body assembly so as to provide sliding support.
In the technical scheme, the sliding driving device can control the upper vehicle body assembly to move relative to the two sides of the lower vehicle body assembly, so that the moving displacement, the speed and the like of the upper vehicle body are controlled in real time when the vehicle turns, and the safe over-bending of the vehicle is ensured without generating a side-turning condition; the sliding support mechanism plays a role in sliding support of the upper vehicle body assembly.
Further, the sliding driving device is arranged at a position close to the middle of the lower vehicle body assembly and the upper vehicle body assembly in the length direction.
In the technical scheme, the sliding driving device is positioned in the middle of the upper vehicle body assembly and the lower vehicle body assembly in the length direction, so that balanced supporting force can be provided for the upper vehicle body assembly, and the front and back movement of the upper vehicle body assembly is not inconsistent.
Furthermore, the front ends and the rear ends of the lower vehicle body assembly and the upper vehicle body assembly are respectively connected in a sliding manner through the sliding support mechanism. By utilizing the sliding support mechanism, the front end and the rear end of the vehicle can be respectively provided with sliding supports, so that the consistency of the front and rear movement of the upper vehicle body assembly is ensured when the upper vehicle body assembly moves relative to the lower vehicle body assembly.
Furthermore, at least one sliding support mechanism is arranged between the front ends and the rear ends of the lower vehicle body assembly and the upper vehicle body assembly.
Through the even arrangement of a plurality of slip supporting mechanism, can provide balanced holding power to last automobile body assembly to the stationarity that the automobile body assembly removed is gone up in the guarantee vehicle when turning.
Furthermore, the sliding driving device comprises a screw nut transmission pair and a driving motor, a supporting seat of the screw nut transmission pair is connected with the lower vehicle body assembly, a sliding block of the screw nut transmission pair is connected with the upper vehicle body assembly, and the driving motor is connected with a screw of the screw nut transmission pair.
In the technical scheme, the mode that the driving motor drives the screw nut transmission pair to drive the upper vehicle body assembly to move is adopted, and the device has the characteristics of simple structure and easiness in installation and control.
Further, the sliding support mechanism comprises a base, a guide rail and a support block, wherein the base is arranged on the lower vehicle body assembly and extends along the directions of the two sides of the lower vehicle body assembly, the two ends of the guide rail are connected with the base, the length direction of the guide rail is located on the directions of the two sides of the lower vehicle body assembly, the support block is sleeved on the guide rail and is connected with the upper vehicle body assembly, and the support block moves back and forth along the length direction of the guide rail.
Further, the moving stroke of the upper vehicle body assembly relative to either side of the lower vehicle body assembly is 0-300 mm.
Further, the lower vehicle body assembly comprises a lower vehicle frame, and the lower vehicle frame is used for supporting the sliding driving device and the sliding supporting mechanism.
Further, the lower vehicle body assembly further comprises a wheel component and a suspension component, and the wheel component is connected with the lower vehicle frame through the suspension component.
Based on the second purpose, the utility model provides a vehicle, including the controller and the above-mentioned automobile body slip system, the controller can be according to the speed that the vehicle was bent and the slip displacement and the speed of wheel steering angle control upper carriage assembly;
if the vehicle turns left, the control device enables the upper vehicle body assembly to slide towards the left side of the vehicle according to the angle and the speed of the vehicle passing through the curve;
if the vehicle turns right, the control device causes the upper body assembly to slide toward the right side of the vehicle according to the angle and speed of the vehicle passing the curve.
Adopt above-mentioned technical scheme, the utility model provides an automobile body sliding system's technological effect has:
the utility model provides an among the automobile body slip system, utilize the slip drive arrangement, can control upper carriage body assembly and move for lower carriage body assembly both sides direction to when the vehicle turned, the displacement and the speed etc. of the real-time control upper carriage body, guarantee the safe too bend of vehicle and can not produce the situation of turning on one's side or sideslipping; the sliding support mechanism plays a role in sliding support of the upper vehicle body assembly; meanwhile, under the condition of the same over-bending capacity, the length and the width of the vehicle can be smaller, and the vehicle is more beneficial to miniaturization and light weight of the vehicle.
The utility model provides a vehicle, including controller and foretell automobile body sliding system, have automobile body sliding system's above-mentioned characteristics, utilize the controller can go up the slip displacement and the speed of automobile body assembly according to the speed that the vehicle was bent and wheel steering angle control, the position of getting on the bus body assembly when realizing turning left and right the vehicle adjusts in real time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a vehicle body sliding system according to an embodiment of the present invention;
fig. 2 is a schematic bottom structure view of a vehicle body sliding system according to an embodiment of the present invention;
fig. 3 is a rear view of a vehicle body sliding system according to an embodiment of the present invention;
FIG. 4 is a schematic view of the upper vehicle body assembly sliding to the right;
FIG. 5 is a schematic view of the upper body assembly sliding to the left;
FIG. 6 is a schematic view of the forces exerted on the vehicle when the upper body assembly slides to the left.
Reference numerals: 1-a lower vehicle body assembly; 11-a lower frame; 12-a wheel component; 13-a suspension member; 2-a slide drive; 21-a drive motor; 22-a screw nut transmission pair; 3, mounting the vehicle body assembly; 4-a sliding support mechanism; 41-a base; 42-a guide rail; 43-support block.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the utility model provides an automobile body sliding system is particularly useful for some miniaturized low-speed cars or electric automobile, and automobile body assembly 3 removes for automobile body assembly 1 down through control to when the vehicle turns with higher speed, in time adjust automobile body assembly 3's shift position, avoid leading to the vehicle to take place the emergence of the situation of turning on one's side or sideslipping because of the effect of centrifugal force.
As shown in fig. 1 to 3, the vehicle body sliding system includes: the device comprises a lower vehicle body assembly 1, an upper vehicle body assembly 3, at least one sliding driving device 2 and at least one sliding supporting mechanism 4;
lower vehicle body assembly 1 and last vehicle body assembly 3 between through at least one slip drive arrangement 2 sliding connection, slip drive arrangement 2 can drive and go up vehicle body assembly 3 and move along the both sides direction of lower vehicle body assembly 1, and at least one slip bearing structure sets up and connects lower vehicle body assembly 1 and last vehicle body assembly 3 respectively in order to provide sliding support.
It should be noted that the above-mentioned two-side directions refer to two sides of the vehicle, that is, directions perpendicular to the vehicle forward direction when the vehicle travels.
In the technical scheme, the sliding driving device 2 can be used for controlling the upper vehicle body assembly 3 to move relative to the two sides of the lower vehicle body assembly 1, so that the moving displacement, the speed and the like of the upper vehicle body are controlled in real time when the vehicle turns, and the safe over-bending of the vehicle is ensured without generating the side-turning or sideslip conditions; the sliding support mechanism 4 plays a role in sliding support of the upper vehicle body assembly 3; meanwhile, under the condition of the same over-bending capacity, the length and the width of the vehicle can be smaller, and the vehicle is more beneficial to miniaturization and light weight of the vehicle.
In a preferred embodiment provided in this embodiment, the slide drive device 2 is provided near the middle of the lower vehicle body assembly 1 and the upper vehicle body assembly 3 in the longitudinal direction.
Because the gravity center position of the upper vehicle body is located at a position close to the middle part of the upper vehicle body, the sliding driving device 2 is arranged at the position or the gravity center position of the upper vehicle body assembly 3 is adjusted, so that the balance of the supporting force of the upper vehicle body assembly 3 can be ensured, the consistency of the front and back displacement of the upper vehicle body assembly 3 during movement is ensured, and the condition that the vehicle turns on the side or sideslips due to the inconsistent front and back movement of the upper vehicle body assembly 3 is avoided.
In a preferred embodiment provided in this embodiment, the front end and the rear end of the lower vehicle body assembly 1 and the upper vehicle body assembly 3 are slidably connected by a sliding support mechanism 4.
The sliding support mechanisms 4 are utilized to respectively provide sliding support for the front end and the rear end of the vehicle, so that the consistency and the stability of the front and back movement of the upper vehicle body assembly 3 are ensured when the sliding driving device 2 in the middle drives the upper vehicle body assembly 3 to move relative to the lower vehicle body assembly 1.
In addition, in consideration of the fact that the sliding driving device 2 arranged in the middle and the sliding support mechanisms 4 arranged at the front and rear ends are difficult to ensure the moving stability of the upper vehicle body assembly 3 when the vehicle body length is long, the embodiment provides a preferred embodiment in which at least one sliding support mechanism 4 is further arranged at a position between the front end and the rear end of the lower vehicle body assembly 1 and the upper vehicle body assembly 3.
Through the even arrangement of a plurality of sliding support mechanisms 4, can provide balanced holding power to last automobile body assembly 3 to the stationarity that the automobile body assembly 3 moved is gone up in the guarantee vehicle when turning.
As shown in fig. 2, in a preferred embodiment provided in this embodiment, the sliding driving device 2 includes a screw nut transmission pair 22 and driving motors 21, the screw nut transmission pair 22 includes a support seat, a screw rod and a slide block installed on the screw rod, the support seat of the screw nut transmission pair 22 is connected to the lower vehicle body assembly 1, the slide block of the screw nut transmission pair 22 is connected to the upper vehicle body assembly 3, the driving motors 21 are connected to the screw rod of the screw nut transmission pair 22, and the number of the driving motors 21 can be one to two, in this embodiment, it is preferred to set two driving motors 21, and the two driving motors 21 synchronously drive the screw rod to rotate, so that the slide block drives the upper vehicle body assembly 3 to move. In the above technical scheme, the mode that the driving motor 21 drives the screw nut transmission pair 22 to drive the upper vehicle body assembly 3 to move is adopted, and the device has the characteristics of simple structure and easiness in installation and control.
As shown in fig. 2, in a preferred embodiment provided in this embodiment, the sliding support mechanism 4 includes a base 41, a guide rail 42 and a support block 43, the base 41 is disposed on the lower body assembly 1 and extends along two side directions of the lower body assembly 1, two ends of the guide rail 42 are connected to the base 41, a length direction of the guide rail 42 is located on two side directions of the lower body assembly 1, the support block 43 is sleeved on the guide rail 42 and connected to the upper body assembly 3, under the action of the sliding drive device 2, the upper body assembly 3 moves towards two side directions of the lower body assembly 1, and the upper body assembly 3 can drive the support block 43 to reciprocate along the length direction of the guide rail 42, so as to provide a balanced support force for the upper body assembly 3, and ensure the moving stability of the upper body assembly 3.
In a preferred embodiment provided by this embodiment, the moving stroke of the upper body assembly 3 relative to either side of the lower body assembly 1 is 0-300 mm. Here, the above-mentioned moving stroke of 0 to 300mm means that the position of the center of gravity of the upper vehicle body assembly 3 is moved by 0 to 300mm with respect to both sides of the lower vehicle body assembly 1, respectively.
In a preferred embodiment provided in this embodiment, the lower body assembly 1 includes a lower frame 11, the lower frame 11 is used for supporting the sliding driving device 2 and the sliding support mechanism 4.
The lower body assembly 1 further includes a wheel member 12 and a suspension member 13, and the wheel member 12 is connected to the lower frame 11 via the suspension member 13.
In addition, in vehicle applications, the lower body assembly 1 should further include a power component, a transmission component, a steering component, a brake component, an air conditioning component, a cooling component, and the like.
The upper vehicle body assembly comprises an upper vehicle body, a seat, a wiper component, an inner decoration, a meter, accessories of the meter and the like.
The utility model provides a vehicle, including controller and foretell automobile body slip system, the controller can acquire the speed that the vehicle crossed the turn and wheel steering angle information to can be according to the speed that the vehicle crossed the turn and the slip displacement and the speed of wheel steering angle information control upper carriage assembly 3; the vertical load of the corresponding side wheel becomes large, the ground adhesion to the wheel becomes large, the vehicle resists the side turning moment to become large, the vehicle bending capacity is improved, the vehicle bending at a high speed is guaranteed, and the problem that the miniaturized vehicle and the like can not bend at the high speed is solved.
As shown in fig. 6, specifically, taking the left sliding of the vehicle body assembly as an example, the upper vehicle body assembly 3 is subjected to a force when sliding the vehicle leftward, which is schematically shown in the drawing, wherein the mass of the non-sliding portion of the vehicle is M1, the gravity of the non-sliding portion of the vehicle is G1, the mass of the sliding portion of the vehicle is M2, the gravity of the sliding portion of the vehicle is G2, the centrifugal force of the non-sliding portion of the vehicle when bending the vehicle over is F1, the centrifugal force of the sliding portion of the vehicle when bending the vehicle over is F2, the lateral friction of the left tire is F1, the lateral friction of the right tire is F2, the ground support force of the left tire is N1, the ground support force of the right tire is N2, the height of the center of gravity of the non-sliding portion of the vehicle is h1, the height of the center of gravity of the sliding portion of the vehicle is h2, the sliding position of the sliding, the turning radius of the vehicle is R, and the steering angle of the wheels corresponding to the turning radius of the vehicle is theta.
The vehicle is turned over to the left,
the force balance satisfies: f1+ F2 ═ F1+ F2,
the moment balance satisfies:
wherein,
f1＝uN1，f2＝uN2，
when (1) F1+ F2 is more than or equal to F1+ F2, the vehicle sideslips,
when (2) N1 is 0, i.e.The vehicle is turned over on the side,
the vehicle has a function during running
If the vehicle turns left, the control device enables the upper vehicle body assembly 3 to slide towards the left side of the vehicle according to the angle and the speed of the vehicle passing through the curve;
if the vehicle turns right, the control device slides the upper vehicle body assembly 3 toward the right side of the vehicle according to the angle and speed at which the vehicle turns over.
Specifically, the method comprises the following steps:
when the vehicle is bent at a high speed, the vehicle can be subjected to centrifugal force thrown to the outer side of the circular arc, when the centrifugal force is larger than the wheel adhesion force or the moment generated by the centrifugal force is larger than the vehicle rollover moment, the vehicle can sideslip or rollover, the controller controls the sliding displacement, the sliding speed and the like of the upper vehicle body assembly 3 at the moment, the vehicle bending capability is improved, and the vehicle is ensured to be bent safely.
For example: as shown in fig. 5, the vehicle turns left at a high speed to turn, the controller makes the upper vehicle body assembly 3 slide left according to the angle and speed of the vehicle turning, so that the vertical load of the left wheels is increased, the adhesion of the ground to the wheels is increased, the rollover resisting moment of the vehicle is increased, and the vehicle turning capability is improved;
as shown in fig. 4, the vehicle turns right at a higher speed to turn, the controller makes the upper vehicle body assembly slide right according to the angle and speed of the vehicle turning, so that the vertical load of the wheels on the right side is increased, the adhesion of the ground to the wheels is increased, the side turning resistance moment of the vehicle is increased, the vehicle turning capacity is improved, the vehicle is ensured to turn at a higher speed, and the problem that the miniaturized vehicle and the like cannot turn at a higher speed is solved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A vehicle body sliding system is characterized by comprising a lower vehicle body assembly, an upper vehicle body assembly, at least one sliding driving device and at least one sliding supporting mechanism;
the lower vehicle body assembly is connected with the upper vehicle body assembly in a sliding mode through at least one sliding driving device, the sliding driving device can drive the upper vehicle body assembly to move along the directions of two sides of the lower vehicle body assembly, and at least one sliding supporting structure is arranged to be respectively connected with the lower vehicle body assembly and the upper vehicle body assembly so as to provide sliding support.
2. The vehicle body slide system according to claim 1, wherein said slide drive means is provided near a middle portion in a length direction of the lower vehicle body assembly and the upper vehicle body assembly.
3. The vehicle body slide system according to claim 1, wherein front and rear end positions of said lower vehicle body assembly and said upper vehicle body assembly are slidably connected by one of said slide support mechanisms, respectively.
4. The vehicle body slide system of claim 3, wherein at least one of said slide support mechanisms is disposed at a location between the front and rear ends of said lower and upper body assemblies.
5. The vehicle body sliding system according to claim 1 or 2, wherein the sliding driving device comprises a screw nut transmission pair and a driving motor, a supporting seat of the screw nut transmission pair is connected with the lower vehicle body assembly, a sliding block of the screw nut transmission pair is connected with the upper vehicle body assembly, and the driving motor is connected with a screw of the screw nut transmission pair.
6. The vehicle body sliding system according to claim 1, 3 or 4, wherein the sliding support mechanism includes a base, a guide rail, and a support block, the base is disposed on the lower vehicle body assembly and extends along both side directions of the lower vehicle body assembly, both ends of the guide rail are connected to the base, and a length direction of the guide rail is located on both side directions of the lower vehicle body assembly, the support block is sleeved on the guide rail and connected to the upper vehicle body assembly, and the support block reciprocates along the length direction of the guide rail.
7. The vehicle body slide system of claim 1, wherein the travel of movement of said upper body assembly is 0-300mm with respect to either side of said lower body assembly.
8. The vehicle body slide system of claim 1, wherein said lower body assembly includes a lower frame, said lower frame supporting said slide drive and said slide support mechanism.
9. The body slide system of claim 8, wherein said lower body assembly further comprises a wheel member and a suspension member, said wheel member being connected to said lower frame by said suspension member.
10. A vehicle comprising a controller capable of controlling the sliding displacement and speed of an upper body assembly in accordance with the speed of vehicle cornering and the wheel steering angle, and the body slide system of any one of claims 1-9;
if the vehicle turns left, the control device enables the upper vehicle body assembly to slide towards the left side of the vehicle according to the angle and the speed of the vehicle passing through the curve;
if the vehicle turns right, the control device causes the upper body assembly to slide toward the right side of the vehicle according to the angle and speed of the vehicle passing the curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821360192.7U CN208868142U (en) | 2018-08-22 | 2018-08-22 | Vehicle body sliding system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821360192.7U CN208868142U (en) | 2018-08-22 | 2018-08-22 | Vehicle body sliding system and vehicle |
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| CN208868142U true CN208868142U (en) | 2019-05-17 |
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| CN201821360192.7U Active CN208868142U (en) | 2018-08-22 | 2018-08-22 | Vehicle body sliding system and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588271A (en) * | 2019-09-27 | 2019-12-20 | 卧龙电气(上海)中央研究院有限公司 | Automobile, chassis and self-adaptive suspension system thereof |
| CN115973272A (en) * | 2022-12-30 | 2023-04-18 | 成都赛力斯科技有限公司 | Automobile turning control method and device |
-
2018
- 2018-08-22 CN CN201821360192.7U patent/CN208868142U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588271A (en) * | 2019-09-27 | 2019-12-20 | 卧龙电气(上海)中央研究院有限公司 | Automobile, chassis and self-adaptive suspension system thereof |
| CN110588271B (en) * | 2019-09-27 | 2021-06-29 | 卧龙电气(上海)中央研究院有限公司 | Automobile, chassis and self-adaptive suspension system thereof |
| CN115973272A (en) * | 2022-12-30 | 2023-04-18 | 成都赛力斯科技有限公司 | Automobile turning control method and device |
| CN115973272B (en) * | 2022-12-30 | 2024-04-12 | 重庆赛力斯凤凰智创科技有限公司 | Control method and device for automobile turning |
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