CN110006661B - Rollover prevention device of motor vehicle - Google Patents
Rollover prevention device of motor vehicle Download PDFInfo
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- CN110006661B CN110006661B CN201910193615.3A CN201910193615A CN110006661B CN 110006661 B CN110006661 B CN 110006661B CN 201910193615 A CN201910193615 A CN 201910193615A CN 110006661 B CN110006661 B CN 110006661B
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- bushing
- telescopic rod
- bracket
- hinge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The application discloses device of preventing turning on one's side of motor vehicle, the device includes: brackets, hinges, knuckles and flanges; the bracket is used for being fixed on a frame of a motor vehicle; one end of the hinge is hinged with the bracket, the other end of the hinge is hinged with the steering knuckle, and the hinge is formed by matching a telescopic rod and a pull rod; one end of the telescopic rod is connected with one side of the bracket far away from the frame, and the other end of the telescopic rod is connected with the steering knuckle; one end of the pull rod is connected with one side of the bracket far away from the frame, and the other end of the pull rod is connected with the steering knuckle; the flange is used for mounting a tire and is fixed on the steering knuckle. The rollover prevention device uses the bracket, the hinge, the steering knuckle and the flange plate, so that the installation of testers and the transportation of the device are facilitated, and the device can be installed on frames of different motor vehicles by adjusting the size of the bracket corresponding to different motor vehicles; the height of the tire to the ground can be adjusted by adjusting the length of the telescopic rod in the hinge so as to prevent different motor vehicles from inclining and turning over.
Description
Technical Field
The disclosure relates to the technical field of motor vehicle testing, in particular to a rollover prevention device of a motor vehicle.
Background
When the vehicle is tested in real vehicles, the dangerous condition of rollover of the vehicle can be caused by partial test working conditions. In order to cope with the dangerous condition, a rollover prevention device needs to be installed during vehicle testing, so that the vehicle is prevented from rollover. However, the rollover prevention device can only be adapted to a vehicle matched with the size of the rollover prevention device, and has no universality.
Disclosure of Invention
The embodiment of the application provides a side turning prevention device for a motor vehicle, which is used for solving the problem that the side turning prevention device in the prior art does not have universality, so that the side turning prevention device can be suitable for different motor vehicles.
The embodiment of the application provides a device of preventing turning on one's side of motor vehicle, the device includes: brackets, hinges, knuckles and flanges;
the bracket is used for being fixed on a frame of a motor vehicle;
one end of the hinge is hinged with the bracket, the other end of the hinge is hinged with the steering knuckle, and the hinge is formed by matching a telescopic rod and a pull rod; one end of the telescopic rod is connected with one side of the bracket, which is far away from the frame, and the other end of the telescopic rod is connected with the steering knuckle; one end of the pull rod is connected with one side of the bracket far away from the frame, and the other end of the pull rod is connected with the steering knuckle;
the flange plate is used for mounting a tire and is fixed on the steering knuckle.
The bracket comprises an L-shaped panel and a trapezoidal panel which is detachably arranged on the L-shaped panel; the L-shaped panel and the trapezoidal panel form a rectangular hole for accommodating a frame;
one end of the hinge is hinged with the L-shaped panel, and the other end of the hinge is hinged with the steering knuckle.
In a possible embodiment, the pull rod and the telescopic rod are respectively hinged to the bracket by corresponding first bushings;
the first bushing comprises a first inner bushing, a first mounting bushing and a first outer bushing from inside to outside in sequence; the first inner sleeve, the first mounting bush and the first outer sleeve are hollow coaxial cylinders with openings at two ends, and the first mounting bush is connected with the first inner sleeve and the first outer sleeve after vulcanization.
In a possible embodiment, the tie rod and the telescopic rod are mounted on the steering knuckle by means of a second bushing, the second bushing being articulated with the telescopic rod;
the second bushing comprises a second inner sleeve, a second mounting bushing and a second outer sleeve from inside to outside in sequence; the second inner sleeve, the second mounting bush and the second outer sleeve are hollow coaxial cylinders with openings at two ends, the second mounting bush is connected with the second inner sleeve and the first outer sleeve after vulcanization, and the second inner sleeve, the second mounting bush and the second outer sleeve are combined to form a spherical hinge.
In a possible embodiment, the hinge comprises a telescopic rod and two pull rods;
the pull rod and the telescopic rod are respectively fixed on the bracket through corresponding first brackets;
the first support is a U-shaped plate, two opposite walls of the first support are provided with coaxial round-angle rectangular holes, the first bushing is embedded into the first support, the round-angle rectangular holes are coaxially connected with the first bushing in series, and the pull rod and the first support of the telescopic rod are distributed in a triangular mode.
In one possible embodiment, the tie rod and the telescopic rod are each fixed to the steering knuckle by a respective second bearing;
the second support is a U-shaped plate, two opposite walls of the second support are provided with coaxial circular holes, the second bushing is embedded into the second support, the circular holes are coaxially connected in series with the second bushing, and the pull rod and the second support of the telescopic rod are distributed in a triangular shape.
In a possible embodiment, the flange is provided with a plurality of raised cylinders for fixing the tire.
In a possible embodiment, the hinge and the first bushing are combined as a revolute pair, and the hinge and the second bushing are combined as a ball joint.
In the application, the anti-rollover device uses the bracket, the hinge, the steering knuckle and the flange plate, so that the installation of testers and the transportation of the device are facilitated, and the device can be installed on frames of different motor vehicles by adjusting the size of the bracket corresponding to different motor vehicles; the height of the tire to the ground can be adjusted by adjusting the length of the telescopic rod in the hinge so as to prevent different motor vehicles from inclining and turning over.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram showing the structure of a rollover prevention apparatus for a motor vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a rollover prevention device of a motor vehicle according to an embodiment of the present application;
FIG. 3 is a schematic view of a first bushing in an embodiment of the present application;
FIG. 4 is a schematic view of a second bushing according to an embodiment of the present application;
FIG. 5 is a block diagram of a first support in an embodiment of the present application;
FIG. 6 is a block diagram of a second support in an embodiment of the present application;
fig. 7 is a graph in the embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.
Fig. 1 is a block diagram showing a structure of a rollover prevention apparatus for a motor vehicle. The device includes: a bracket 101, a hinge 102, a knuckle 103, and a flange 104; the bracket 1 is used for being fixed on a frame of a motor vehicle; one end of the hinge 102 is hinged with the bracket 101, the other end is hinged with the steering knuckle 103, and the hinge 102 is formed by matching a telescopic rod 1021 and a pull rod 1022; one end of the telescopic rod 1021 is connected with one side of the support 101 far away from the frame, and the other end of the telescopic rod 1021 is connected with the steering knuckle 103; one end of the pull rod 1022 is connected with one side of the bracket far away from the frame, and the other end is connected with the steering knuckle 103; the flange 104 is used for mounting a tire and is fixed to the knuckle 103.
According to the rollover prevention device provided by the embodiment of the application, the hinge is formed by the telescopic rod and the pull rod, so that the height of the tire relative to the ground can be adjusted through the hinge when the rollover prevention device corresponds to motor vehicles of different models, and the rollover prevention device is suitable for motor vehicles of more types. As shown in fig. 2, the bracket 101 is fixed to the frame of the motor vehicle; one end of the hinge 102 is hinged with the bracket 101, the other end is hinged with the steering knuckle 103, and the hinge 102 is formed by matching a telescopic rod 1021 and a pull rod 1022; one end of the telescopic rod 1021 is connected with one side of the support 101 far away from the frame, and the other end of the telescopic rod 1021 is connected with the steering knuckle 103; one end of the pull rod 1022 is connected with one side of the bracket 101 far away from the frame, and the other end is connected with the steering knuckle 103; the flange 104 is used for mounting a tire and is fixed to the knuckle 103. In practical application, a frame of a motor vehicle is fixed on a bracket, and when an inclined angle between the motor vehicle and the ground reaches a limit, a supporting force needs to be provided for the motor vehicle so as to prevent the motor vehicle from rolling over. At the moment, the telescopic rod can be extended, so that the tire fixed on the flange plate contacts the ground along with the movement of the steering knuckle, and the tire can provide supporting force for the motor vehicle after contacting the ground, thereby effectively preventing the motor vehicle from rolling over.
When the anti-rollover device is installed on different motor vehicles, the length of the telescopic rod, the telescopic rod and the included angle between the telescopic rod and the panel on one side of the connecting hinge on the support are required to be readjusted according to actual conditions, the height of the tire to the ground can be adjusted by adjusting the hinge, and the different motor vehicles can be effectively prevented from being tilted and rolled over.
In one embodiment, in order to enable the rollover prevention device of the motor vehicle to be matched with frames of different motor vehicles and be convenient to install and use, the bracket in the embodiment of the application has detachability, namely the hinge is detachably arranged on the bracket.
In addition, in order to be suitable for the vehicle frames with different sizes, the bracket comprises an L-shaped panel and a trapezoidal panel which is detachably arranged on the L-shaped panel; the L-shaped panel and the trapezoidal panel form a rectangular hole for accommodating the frame; the rectangular holes of different sizes can accommodate the vehicle frames of different sizes. As shown in fig. 2, the hinge 102 is hinged to the L-shaped panel 1011 at one end and to the knuckle 103 at the other end. Trapezoidal panel 1012, with L panel 1011 through the bolt concatenation installation realized that the dismantlement is installed on L panel 1011. During specific implementation, the shape and the size of the panel for supporting the L-shaped panel can be set according to the shape of the actual vehicle frame and the requirements of installation and fixation, so that the vehicle frames of different vehicles can be installed on the bracket, and the rollover prevention device of the vehicle has universality.
In one embodiment, the pull rod and the telescopic rod are hinged to the bracket through corresponding first bushings, as shown in fig. 3, which is a schematic structural diagram of the first bushings in the embodiment of the present application, and the first bushings sequentially include, from inside to outside, a first inner sleeve 301, a first mounting bushing 302, and a first outer sleeve 303; the first inner sleeve 301, the first mounting bushing 302 and the first outer sleeve 303 are hollow coaxial cylinders with two open ends, and the first mounting bushing 302 is vulcanized to connect the first inner sleeve 301 and the first outer sleeve 303. First mounting bushing 302 is made of rubber and connects first inner sleeve 301 and first outer sleeve 303 by vulcanization. The pull rod and the telescopic rod are connected through the first bushing, so that the pull rod and the telescopic rod have a certain degree of rotational freedom in the direction of the circular shaft of the first bushing.
In one embodiment, the pull rod and the telescopic rod are respectively hinged on the steering knuckle through corresponding second bushings, and fig. 4 is a schematic structural diagram of the second bushings in the embodiment of the present application. The second bushing comprises a second inner sleeve 401, a second mounting bushing 402 and a second outer sleeve 403 from inside to outside in sequence; the second inner sleeve 401, the second mounting bush 402 and the second outer sleeve 403 are hollow coaxial cylinders with two open ends, the second mounting bush 402 is vulcanized to connect the second inner sleeve 401 and the second outer sleeve 403, and the second inner sleeve 401, the second mounting bush 402 and the second outer sleeve 403 are combined to form a spherical hinge. The pull rod and the telescopic rod are connected through the second bushing, so that the pull rod and the telescopic rod have certain rotational freedom degree along the circular shaft direction of the second bushing.
In one embodiment, the hinge includes a telescopic rod and two pull rods, and the pull rod and the telescopic rod are respectively fixed on the bracket through corresponding first supports, as shown in fig. 5, which is a structural block diagram of the first support in the embodiment of the present application. The first support 501 is a U-shaped plate, and two opposite walls of the first support 501 have coaxial round rectangular holes 502. The first bushing is embedded into the first support 501, the round rectangular hole 502 and the inner sleeve of the first bushing are coaxially connected in series by the bolt, and the pull rod and the telescopic rod are fixed on the support to form a hinge. As shown in fig. 2, the first supports for fixing the two pull rods and the telescopic rod may be distributed in a triangular shape on the bracket such that the ends of the two pull rods and the telescopic rod connected to the bracket are in a plane. The pull rod and the telescopic rod are respectively fixed on the support through the first support, so that the hinge can be detachably arranged on the support.
In one embodiment, the pull rod and the telescopic rod are respectively fixed on the steering knuckle through corresponding second supports, as shown in fig. 6, which is a structural block diagram of the second supports in the embodiment of the present application. The second support 601 is a U-shaped plate, two opposite walls of the second support 601 are provided with coaxial circular holes 602, the second bushing is embedded into the second support 601, the circular holes 602 and the inner sleeve of the second bushing are coaxially connected in series by bolts, and the pull rod and the telescopic rod are fixed on the knuckle. As shown in fig. 2, the three first supporting seats for fixing the two pull rods and the telescopic rod are distributed on the steering knuckle in a triangular shape, so that one ends of the two pull rods and the telescopic rod, which are connected with the steering knuckle, can be always positioned in the same plane, and tires on the flange can well support the motor vehicle on the ground. The pull rod and the telescopic rod are respectively fixed on the steering knuckle through the first support, so that the hinge can be detachably mounted on the steering knuckle.
In one embodiment, the apparatus requires a plurality of raised cylinders on the tire-contacting ground support flange for holding the tire. The motor vehicle can be prevented from rolling over by controlling the distance between the tires on the flange plate and the ground.
In one embodiment, in order to allow the hinge to have a certain degree of freedom of rotation, the hinge and the first bushing are combined as a revolute pair and the hinge and the second bushing are combined as a ball hinge. Fig. 7 is a rectangular coordinate diagram in the embodiment of the present application. At the end of the hinge connected to the bracket by the first bushing, the z-direction may be the direction of the circular axis of the first bushing, the X-axis, and the Y-axis being perpendicular to each other in a plane perpendicular to the circular axis of the first bushing. After the pull rod and the telescopic rod are hinged with the first bushing, the moving freedom degrees in the directions of the X axis, the Y axis and the Z axis are zero, the rotating freedom degrees Tx and Ty of the Y axis are small in the X axis, and the rotating freedom degree Tz of the Y axis is large.
At the end of the hinge connected to the knuckle by the second bushing, the z-direction may be the direction of the circular axis of the second bushing, the X-axis, and the Y-axis being perpendicular to each other in a plane perpendicular to the circular axis of the second bushing. After the pull rod and the telescopic rod are hinged with the second bushing, the moving freedom degrees of the pull rod and the telescopic rod in the directions of the X axis, the Y axis and the Z axis are zero, the rotating freedom degree Ty of the Y axis is smaller at the rotating freedom degree Tx of the X axis, and the rotating freedom degree Tz of the Y axis is larger along the Z axis. The hinge has certain freedom of rotation and freedom of movement, so that the height of the tire relative to the ground can be adjusted conveniently.
In summary, the rollover prevention device for the motor vehicle provided by the embodiment includes: brackets, hinges, knuckles and flanges; the bracket is used for being fixed on a frame of a motor vehicle; one end of the hinge is hinged with the bracket, the other end of the hinge is hinged with the steering knuckle, and the hinge is formed by matching a telescopic rod and a pull rod; one end of the telescopic rod is connected with one side of the bracket far away from the frame, and the other end of the telescopic rod is connected with the steering knuckle; one end of the pull rod is connected with one side of the bracket far away from the frame, and the other end of the pull rod is connected with the steering knuckle; the flange is used for mounting a tire and is fixed on the steering knuckle. The device uses the bracket, the hinge, the steering knuckle and the flange plate, so that the installation of testers and the transportation of the device are facilitated, and the device can be installed on frames of different motor vehicles by adjusting the size of the bracket corresponding to different motor vehicles; the height of the tire to the ground can be adjusted by adjusting the length of the telescopic rod in the hinge so as to prevent different motor vehicles from inclining and turning over.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (6)
1. An anti-rollover device for a motor vehicle, the device comprising: brackets, hinges, knuckles and flanges;
the bracket is used for being fixed on a frame of a motor vehicle;
one end of the hinge is hinged with the bracket, the other end of the hinge is hinged with the steering knuckle, and the hinge is formed by matching a telescopic rod and two pull rods; one end of the telescopic rod is connected with one side of the bracket, which is far away from the frame, and the other end of the telescopic rod is connected with the steering knuckle; one end of each pull rod is connected with one side of the bracket far away from the frame, and the other end of each pull rod is connected with the steering knuckle; the connecting end parts of the pull rods and the telescopic rods on the same side are distributed in a triangular shape; the telescopic rod and the two pull rods are connected to the steering knuckle in a spherical hinge mode and connected to the L-shaped panel in a revolute pair mode;
the flange plate is used for mounting a tire and is fixed on the steering knuckle;
wherein the bracket comprises the L-shaped panel and a trapezoidal panel detachably mounted on the L-shaped panel; the L-shaped panel and the trapezoidal panel form a rectangular hole for accommodating a vehicle frame.
2. The device according to claim 1, characterized in that each of said tie-rods and said telescopic rods is hinged to said frame by means of a respective first bushing;
the first bushing comprises a first inner bushing, a first mounting bushing and a first outer bushing from inside to outside in sequence; the first inner sleeve, the first mounting bush and the first outer sleeve are hollow coaxial cylinders with openings at two ends, and the first mounting bush is connected with the first inner sleeve and the first outer sleeve after vulcanization.
3. The device of claim 1, wherein each of said tension and telescoping rods is mounted to said knuckle by a second bushing, said second bushing being hingedly connected to said telescoping rod;
the second bushing comprises a second inner sleeve, a second mounting bushing and a second outer sleeve from inside to outside in sequence; the second inner sleeve, the second installation bush and the second outer sleeve are hollow coaxial cylinders with openings at two ends, the second installation bush is connected with the second inner sleeve and the second outer sleeve after vulcanization, and the second inner sleeve, the second installation bush and the second outer sleeve are combined to form a spherical hinge.
4. The device of claim 2, wherein each of said tension and telescoping rods is secured to said frame by a respective first mount;
the first support is a U-shaped plate, two opposite walls of the first support are provided with coaxial round-angle rectangular holes, the first bushing is embedded into the first support, the round-angle rectangular holes are coaxially connected with the first bushing in series, and the pull rod and the first support of the telescopic rod are distributed in a triangular mode.
5. The device of claim 3, wherein each of said tie rod and said telescoping rod is secured to said knuckle by a respective second support;
the second support is a U-shaped plate, two opposite walls of the second support are provided with coaxial circular holes, the second bushing is embedded into the second support, the circular holes are coaxially connected in series with the second bushing, and the pull rod and the second support of the telescopic rod are distributed in a triangular shape.
6. The apparatus of claim 1 wherein said flange has a plurality of raised cylinders disposed thereon, said cylinders being adapted to hold said tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910193615.3A CN110006661B (en) | 2019-03-14 | 2019-03-14 | Rollover prevention device of motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910193615.3A CN110006661B (en) | 2019-03-14 | 2019-03-14 | Rollover prevention device of motor vehicle |
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| Publication Number | Publication Date |
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| CN110006661A CN110006661A (en) | 2019-07-12 |
| CN110006661B true CN110006661B (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910193615.3A Active CN110006661B (en) | 2019-03-14 | 2019-03-14 | Rollover prevention device of motor vehicle |
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| CN (1) | CN110006661B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638065B (en) * | 2020-06-05 | 2021-07-16 | 吉林大学 | A experimental auxiliary device for semitrailer is experimental that turns on one's side |
| CN112649207A (en) * | 2020-10-10 | 2021-04-13 | 天津英创汇智汽车技术有限公司 | Universal rollover-prevention support device for truck test |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202994478U (en) * | 2012-12-31 | 2013-06-12 | 陕西重型汽车有限公司 | Vehicle anti-rollover protection frame for vehicle test |
| CN107436242A (en) * | 2017-06-29 | 2017-12-05 | 吉利汽车研究院（宁波）有限公司 | A kind of Anti-side-turning device for automobile side crash experiment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100439794B1 (en) * | 2001-10-26 | 2004-07-12 | 현대자동차주식회사 | Sled-apparatus for testing overturn of automobile |
| CN107782562B (en) * | 2017-09-01 | 2019-07-30 | 吉利汽车研究院（宁波）有限公司 | A kind of vehicle anti-tippling device |
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2019
- 2019-03-14 CN CN201910193615.3A patent/CN110006661B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202994478U (en) * | 2012-12-31 | 2013-06-12 | 陕西重型汽车有限公司 | Vehicle anti-rollover protection frame for vehicle test |
| CN107436242A (en) * | 2017-06-29 | 2017-12-05 | 吉利汽车研究院（宁波）有限公司 | A kind of Anti-side-turning device for automobile side crash experiment |
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