WO2019009825A1 - A rollover preventing system preventing vehicle rollover - Google Patents
A rollover preventing system preventing vehicle rollover Download PDFInfo
- Publication number
- WO2019009825A1 WO2019009825A1 PCT/TR2017/050303 TR2017050303W WO2019009825A1 WO 2019009825 A1 WO2019009825 A1 WO 2019009825A1 TR 2017050303 W TR2017050303 W TR 2017050303W WO 2019009825 A1 WO2019009825 A1 WO 2019009825A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rollover
- bracket
- cab
- frame
- suspension arm
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G99/00—Subject matter not provided for in other groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G99/00—Subject matter not provided for in other groups of this subclass
- B60G99/008—Other suspension arrangements with fluid springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/45—Stops limiting travel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/45—Stops limiting travel
- B60G2204/4504—Stops limiting travel using cable or band to prevent extension
Definitions
- the present invention relates to a rollover preventing system which prevents a vehicle cab from rolling over during an accident.
- Rollover characteristic of a vehicle is one of the most important parameters in the dynamic behavior of the vehicle. Especially in buses, trucks, lorries and commercial vehicles, wherein the center of gravity is higher, most of the accidents and injuries occur as a result of rollovers. In view of the accident rates, 5% of the vehicle accidents in Germany resulted in a rollover. The search conducted in United Kingdom revealed that 13% of the accidents resulted in a rollover. According to the studies conducted in the United States, the accidents which resulted in a rollover constitute 21% of the total accidents that have occurred in 2001 and 8842 people lost their lives. The major movements and factors acting on the rollover of the vehicle are changing lanes, turning bends and crooked geometric obstacles.
- EP0798198A1 an application known in the state of the art, discloses a suspension system disposed on the driver cab console. In the case of collisions, the suspension arm stretches and abuts the cab and thus the collision energy is damped.
- the cabin suspension shock absorbers in the state of the art are designed to be resistant against the forces that may be acting on the vehicle under daily driving conditions. Distances of the shock absorber support points to each other according to the levels, where these forces can be maximum, remain within the predetermined limits. When the shock absorbers are exposed to a force that will cause to exceed these limits, they break down.
- a new collision test representing cabin rollover is required to be performed in accordance with the ECE29-03 regulations which will be put in force as of 2017. In the said test, the upper part of the vehicle is hit and thereby the cab is turned representing the rollover. The cab tends to be tilted towards the side during the test.
- the bracket to which the cab is connected can perform rotational movement around the point where they are connected via the connection arms. When this movement is greater than the maximum design distance between the moveable arm and the supports where the shock absorber is connected to the chassis, the shock absorber breaks down and the cab completely rolls over to the side.
- the objective of the present invention is to provide a rollover preventing system which ensures passenger safety by preventing rollover of the vehicle cab during an accident.
- FIG. 1 is a perspective view of the rollover preventing system.
- a rollover preventing system (1) which prevents a vehicle cab from rolling over during an accident, essentially comprises
- connection bracket (4) which is connected on the frame (2), at least one suspension (5) one end of which is connected to the mounting bracket (4) and the other thereof to the suspension arm (3), at least one cab bracket (6), which is U-shaped, and whose parallel arms are connected to the suspension arm (3), and which can freely move around the connection point, and on the other surface of which the cab is placed, at least one rollover preventing bracket (7) which surrounds the suspension arm (3) and is connected to the frame (2).
- the rollover preventing system (1) of the present invention comprises a frame (2) designed for vehicles carrying heavy load, and a suspension arm (3) which is mounted on the frame (2) by the help of connecting members and which can move freely around the connection point.
- the frame (2) is preferably U-shaped and its parallel arms are positioned such that they face ground level, and a mounting bracket (4) is connected onto the said parallel arms.
- the parallel arms of a U-shaped cab bracket (6) are connected to the suspension arm (3), and the cab bracket (6) can move circularly around the point where it is connected to the suspension arm (3).
- the cab is placed on the flat surface of the cab bracket (6).
- There is provided a rollover preventing bracket (7) which surrounds the suspension arm (3) and is connected to the frame (2).
- a second arm is connected on the frame (2).
- the system includes a suspension arm (3), which is mounted on the said second arm by the help of connecting members, and which can freely move around the connection point.
- the second arm is preferably U-shaped and its parallel arms are positioned such that they face ground level, and a mounting bracket (4) is connected onto the said parallel arms.
- the parallel arms of a U-shaped cab bracket (6) are connected to the suspension arm (3), and the cab bracket (6) can move circularly around the point where it is connected to the suspension arm (3).
- the cab is placed on the flat surface of the cab bracket (6).
- a rollover preventing bracket (7) which surrounds the suspension arm (3) and is connected to the second arm.
- the rollover preventing racket (7) is connected to the second arm or frame (2) by welding. Thanks to the U-shape design of the rollover preventing racket (7), the suspension arm (3) passed thereunder can be easily mounted on the frame (2) or second arm.
- the rollover preventing system (1) of the present invention plays an active role in the case of a possible risk of the cab rolling over towards the side. Its position on the vehicle is determined such that no part will contact the bracket under normal driving conditions. In the case that the vehicle is hit from the side or the cab starts to roll over, the forces in the shock absorber of the cab suspension (5) exceed the maximum load it can carry.
- the suspension (5) breaks down, and in order to prevent the cab connected to the cab bracket (6) from freely rotating around the points where the suspension arm (3) and suspension (5) are connected to the frame (2), the rollover preventing bracket (7) is used.
- the rollover preventing bracket (7) prevents the cab from further rotating and rolling over by limiting upward movement of the connection arms.
Abstract
The present invention relates to a rollover preventing system (1), which prevents a vehicle cab from rolling over during an accident, and essentially comprises at least one frame (2), at least one suspension arm (3) which is mounted on the frame (2) by the help of connecting members and which can move freely around the connection point, at least one connection bracket (4) which is connected on the frame (2), at least one suspension (5) one end of which is connected to the mounting bracket (4) and the other thereof to the suspension arm, at least one cab bracket (6), which is U-shaped, and whose parallel arms are connected to the suspension arm (3), and which can freely move around the connection point, and on the other surface of which the cab is placed, at least one rollover preventing bracket (7) which surrounds the suspension arm (3) and is connected to the frame (2).
Description
A ROLLOVER PREVENTING SYSTEM PREVENTING VEHICLE
ROLLOVER
Field of the Invention
The present invention relates to a rollover preventing system which prevents a vehicle cab from rolling over during an accident.
Background of the Invention
Rollover characteristic of a vehicle is one of the most important parameters in the dynamic behavior of the vehicle. Especially in buses, trucks, lorries and commercial vehicles, wherein the center of gravity is higher, most of the accidents and injuries occur as a result of rollovers. In view of the accident rates, 5% of the vehicle accidents in Germany resulted in a rollover. The search conducted in United Kingdom revealed that 13% of the accidents resulted in a rollover. According to the studies conducted in the United States, the accidents which resulted in a rollover constitute 21% of the total accidents that have occurred in 2001 and 8842 people lost their lives. The major movements and factors acting on the rollover of the vehicle are changing lanes, turning bends and crooked geometric obstacles. In the mentioned cases, it is determined whether the vehicle exceeded the rollover threshold by generating lateral acceleration and forces. The effort of the driver alone is not sufficient for preventing a rollover. Therefore auxiliary systems are devised. While some of the auxiliary systems directly affect rollover, some others affect it indirectly and prevent the rollover. Upon examination of the studies conducted, the most widely accepted and applied criterion is "Rollover time". According to this definition, the time when the wheels lose contact with the road is considered as the rollover time. Differential braking is applied to the front tires of the vehicle and it decreases the lateral forces
acting on the tires. In a related study conducted, it is concluded that differential braking improves rolling stability. On the other hand, it is aimed to maintain the rollover angle at a specific value by generating vertical forces, which will decrease rollover momentum in active suspension systems, via electrohydraulic dampers.
The European patent document no. EP0798198A1, an application known in the state of the art, discloses a suspension system disposed on the driver cab console. In the case of collisions, the suspension arm stretches and abuts the cab and thus the collision energy is damped.
The cabin suspension shock absorbers in the state of the art are designed to be resistant against the forces that may be acting on the vehicle under daily driving conditions. Distances of the shock absorber support points to each other according to the levels, where these forces can be maximum, remain within the predetermined limits. When the shock absorbers are exposed to a force that will cause to exceed these limits, they break down. A new collision test representing cabin rollover is required to be performed in accordance with the ECE29-03 regulations which will be put in force as of 2017. In the said test, the upper part of the vehicle is hit and thereby the cab is turned representing the rollover. The cab tends to be tilted towards the side during the test.
The bracket to which the cab is connected can perform rotational movement around the point where they are connected via the connection arms. When this movement is greater than the maximum design distance between the moveable arm and the supports where the shock absorber is connected to the chassis, the shock absorber breaks down and the cab completely rolls over to the side.
Problems Solved by the Invention
The objective of the present invention is to provide a rollover preventing system which ensures passenger safety by preventing rollover of the vehicle cab during an accident. Detailed Description of the Invention
A rollover preventing system developed to fulfill the objective of the present invention is illustrated in the accompanying figure, in which: Figure 1 is a perspective view of the rollover preventing system.
The components shown in the figures are given reference numbers as follows:
1. Rollover preventing system
2. Frame
3. Suspension arm
4. Mounting bracket
5. Suspension
6. Cab bracket
7. Rollover preventing bracket
A rollover preventing system (1), which prevents a vehicle cab from rolling over during an accident, essentially comprises
at least one frame (2),
- at least one suspension arm (3) which is mounted on the frame (2) by the help of connecting members and which can move freely around the connection point,
at least one connection bracket (4) which is connected on the frame (2), at least one suspension (5) one end of which is connected to the mounting bracket (4) and the other thereof to the suspension arm (3),
at least one cab bracket (6), which is U-shaped, and whose parallel arms are connected to the suspension arm (3), and which can freely move around the connection point, and on the other surface of which the cab is placed, at least one rollover preventing bracket (7) which surrounds the suspension arm (3) and is connected to the frame (2).
The rollover preventing system (1) of the present invention comprises a frame (2) designed for vehicles carrying heavy load, and a suspension arm (3) which is mounted on the frame (2) by the help of connecting members and which can move freely around the connection point. The frame (2) is preferably U-shaped and its parallel arms are positioned such that they face ground level, and a mounting bracket (4) is connected onto the said parallel arms. There is provided a suspension (5) one end of which is connected to the mounting bracket (4) and the other thereof to the suspension arm. The parallel arms of a U-shaped cab bracket (6) are connected to the suspension arm (3), and the cab bracket (6) can move circularly around the point where it is connected to the suspension arm (3). The cab is placed on the flat surface of the cab bracket (6). There is provided a rollover preventing bracket (7) which surrounds the suspension arm (3) and is connected to the frame (2).
In another embodiment of the rollover preventing system (1) of the present invention, a second arm is connected on the frame (2). The system includes a suspension arm (3), which is mounted on the said second arm by the help of connecting members, and which can freely move around the connection point. The second arm is preferably U-shaped and its parallel arms are positioned such that they face ground level, and a mounting bracket (4) is connected onto the said parallel arms. There is provided a suspension (5) one end of which is connected to the mounting bracket (4) and the other thereof to the suspension arm. The parallel arms of a U-shaped cab bracket (6) are connected to the suspension arm (3), and the cab bracket (6) can move circularly around the point where it is connected to the suspension arm (3). The cab is placed on the flat surface of the cab bracket (6).
There is provided a rollover preventing bracket (7) which surrounds the suspension arm (3) and is connected to the second arm.
In a preferred embodiment of the rollover preventing system (1) of the present invention, the rollover preventing racket (7) is connected to the second arm or frame (2) by welding. Thanks to the U-shape design of the rollover preventing racket (7), the suspension arm (3) passed thereunder can be easily mounted on the frame (2) or second arm. The rollover preventing system (1) of the present invention plays an active role in the case of a possible risk of the cab rolling over towards the side. Its position on the vehicle is determined such that no part will contact the bracket under normal driving conditions. In the case that the vehicle is hit from the side or the cab starts to roll over, the forces in the shock absorber of the cab suspension (5) exceed the maximum load it can carry. As a result, the suspension (5) breaks down, and in order to prevent the cab connected to the cab bracket (6) from freely rotating around the points where the suspension arm (3) and suspension (5) are connected to the frame (2), the rollover preventing bracket (7) is used. The rollover preventing bracket (7) prevents the cab from further rotating and rolling over by limiting upward movement of the connection arms.
Claims
A rollover preventing system (1), which prevents a vehicle cab from rolling over during an accident, essentially comprising
at least one frame (2),
at least one suspension arm (3) which is mounted on the frame (2) by the help of connecting members and which can move freely around the connection point,
at least one connection bracket (4) which is connected on the frame (2), at least one suspension (5) one end of which is connected to the mounting bracket (4) and the other thereof to the suspension arm (3),
at least one cab bracket (6), which is U-shaped, and whose parallel arms are connected to the suspension arm (3), and which can freely move around the connection point, and on the other surface of which the cab is placed, and characterized by
at least one rollover preventing bracket (7) which surrounds the suspension arm (3) and is connected to the frame (2).
A rollover preventing system (1) according to Claim 1 comprising at least one rollover preventing bracket (7) which is connected to the second arm or the frame (2) by welding.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TR2017/09763 | 2017-07-03 | ||
| TR2017/09763A TR201709763A2 (en) | 2017-07-03 | 2017-07-03 | ANTI-ROLL PREVENTIVE SYSTEM TO PREVENT THE VEHICLE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019009825A1 true WO2019009825A1 (en) | 2019-01-10 |
Family
ID=61873869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/TR2017/050303 WO2019009825A1 (en) | 2017-07-03 | 2017-07-04 | A rollover preventing system preventing vehicle rollover |
Country Status (2)
| Country | Link |
|---|---|
| TR (1) | TR201709763A2 (en) |
| WO (1) | WO2019009825A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0798198A1 (en) | 1996-03-29 | 1997-10-01 | MAN Nutzfahrzeuge Aktiengesellschaft | Front bearing for tilt cab truck |
| EP2418109A1 (en) * | 2009-04-09 | 2012-02-15 | Nhk Spring Co., Ltd. | Suspension device |
-
2017
- 2017-07-03 TR TR2017/09763A patent/TR201709763A2/en unknown
- 2017-07-04 WO PCT/TR2017/050303 patent/WO2019009825A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0798198A1 (en) | 1996-03-29 | 1997-10-01 | MAN Nutzfahrzeuge Aktiengesellschaft | Front bearing for tilt cab truck |
| EP2418109A1 (en) * | 2009-04-09 | 2012-02-15 | Nhk Spring Co., Ltd. | Suspension device |
Also Published As
| Publication number | Publication date |
|---|---|
| TR201709763A2 (en) | 2019-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6604745B2 (en) | Process and device for operating a motor vehicle | |
| US20050184476A1 (en) | Vehicle stability control system | |
| KR20160013143A (en) | Device for improving the safety of a vehicle | |
| JP4838793B2 (en) | Method for controlling components related to automobile safety, and automobile | |
| WO2021203774A1 (en) | Balancing apparatus for stabilizing vehicle body after tire burst | |
| US20060175785A1 (en) | Methods of improving stability of a vehicle using a vehicle stability control system | |
| WO2019009825A1 (en) | A rollover preventing system preventing vehicle rollover | |
| Liu et al. | Dynamic rollover threshold of articulated freight vehicles | |
| CN202439771U (en) | Balanced rudder device for motor vehicle | |
| KR20090018915A (en) | Method for the improvement of the overturning behavior of vehicles by means of rear axle intervention | |
| JP2006023117A (en) | Truck for vehicular collision test | |
| Rajpal et al. | Design considerations for automobile chassis for prevention of rolling over of a vehicle | |
| DE102005004449B4 (en) | motor vehicle | |
| US10611205B2 (en) | Auto-leveling suspension and method for the same | |
| DE102020200719B4 (en) | Method and device for adjusting at least one vehicle component of a vehicle when the vehicle is about to collide with a collision opponent | |
| CN107053992A (en) | Adjusting method and motor vehicles | |
| Shim et al. | Vehicle rollover recovery using active steering/wheel torque control | |
| EP3480084B1 (en) | A cab assembly | |
| EP2036795A1 (en) | Vehicle anti-rollover system and method | |
| US11548336B1 (en) | Suspension system having rebound control for a vehicle | |
| CN113646488B (en) | Rear suspension mounting assembly | |
| KR200175779Y1 (en) | Car body damping system with shock absorber | |
| US10792970B2 (en) | Method for a vehicle, an arrangement for a vehicle and a vehicle | |
| CN102514623A (en) | Balance rubber device for motor vehicle | |
| Wilde | Experimental evaluation and ADAMS simulation of the Kinetic suspension system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17859353 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 17859353 Country of ref document: EP Kind code of ref document: A1 |