CN-224213187-U - Unfolding mechanism for barrier board of roadblock vehicle

CN224213187UCN 224213187 UCN224213187 UCN 224213187UCN-224213187-U

Abstract

The application relates to a unfolding mechanism for a barrier board of a roadblock vehicle, which is suitable for being arranged between a vehicle body of the roadblock vehicle and the barrier board to open or close the barrier board of the roadblock vehicle, and is characterized by comprising a support large arm, an unfolding arm and a driving arm; one end of the support big arm is suitable for being hinged with a vehicle body of the roadblock vehicle, the other end of the support big arm is hinged with one end of the unfolding arm through a first joint bearing, the other end of the unfolding arm is provided with a second joint bearing suitable for being hinged with the inner side of a baffle of the roadblock vehicle through a second joint bearing, one end of the driving arm is suitable for being hinged with the vehicle body of the roadblock vehicle, and the other end of the driving arm is hinged with the side wall of the support big arm so as to drive the support big arm to generate rotary motion.

Inventors

LI XIAOBIN
WEI MIN
LI JIANG
HAN XIA
ZHOU BAO
ZHANG YANG
Guo Zaixia

Assignees

北京北方车辆智能装备技术有限公司

Dates

Publication Date: 20260508
Application Date: 20250516

Claims (8)

1. The unfolding mechanism for the barrier board of the roadblock vehicle is suitable for being arranged between the vehicle body of the roadblock vehicle and the barrier board to open or close the barrier board of the roadblock vehicle and is characterized by comprising a support large arm, an unfolding arm and a driving arm; One end of the support large arm is suitable for being hinged with a vehicle body of the roadblock vehicle, the other end of the support large arm is hinged with one end of the unfolding arm through a first joint bearing, and a second joint bearing is arranged at the other end of the unfolding arm and is suitable for being hinged with the inner side of a baffle of the roadblock vehicle through the second joint bearing; One end of the driving arm is suitable for being hinged with a vehicle body of the roadblock vehicle, and the other end of the driving arm is hinged with the side wall of the support big arm so as to drive the support big arm to generate rotary motion.
2. The deployment mechanism for a barrier vehicle baffle of claim 1, wherein a first pin hinge is provided at an end of the support arm connected to the vehicle body, the support arm being adapted to hinge with the vehicle body via the first pin hinge.
3. The deployment mechanism for a barrier vehicle baffle of claim 1, wherein a relief flat groove is formed at one end of the support arm connected with the deployment arm.
4. The deployment mechanism for a barrier vehicle baffle of claim 1, wherein a second pin hinge is provided on a side wall of the support arm, and the drive arm is hinged to the side wall of the support arm through the second pin hinge.
5. The deployment mechanism for a barrier vehicle of claim 4, wherein the bottom of the support arm is provided with pulleys, the pulleys and the second pin hinge are located on adjacent sides of the support arm, respectively, and the pulleys are adapted to contact with a rail in the vehicle body.
6. The deployment mechanism for a barrier vehicle baffle of claim 1, wherein said first knuckle bearing is a rod end fisheye knuckle bearing.
7. The deployment mechanism for a barrier vehicle baffle of claim 1, wherein said second knuckle bearing is a rod end fisheye knuckle bearing.
8. The deployment mechanism for a barrier vehicle baffle of claim 1, wherein the drive arm employs an oil cylinder.

Description

Unfolding mechanism for barrier board of roadblock vehicle Technical Field The application relates to the technical field of unfolding arms, in particular to an unfolding mechanism for a barrier board of a roadblock vehicle. Background The police automatic roadblock vehicle is used as a special vehicle with flexible maneuvering and high barrier distribution efficiency, and is widely applied to the scenes of road safety maintenance, traffic control, emergency treatment and the like. In field use, the barrier vehicle may rapidly deploy the barrier panel to form a blocking barrier to perform a particular task. The automatic roadblock car is provided with large-scale metal baffle mechanisms at two sides of a car body shelter, the large-scale metal baffle mechanisms are hinged with the shelter through hinges, the opening and closing actions of the baffles are realized through the unfolding mechanism, and whether the unfolding mechanism can smoothly unfold and retract the baffles can have an important influence on the normal work of the roadblock car. The existing support big arm of the unfolding arm is hinged with the unfolding arm through a pin shaft, and the baffle is also affected by a plurality of external forces in use, such as downward gravity in the unfolding process of the baffle, frontal impact force of the baffle when performing tasks, and the like, which can also have adverse effects on the axes of the support big arm and the unfolding arm, even cause the deformation of the axes of the support big arm and the unfolding arm, and further increase the friction resistance of the pin shaft and the shaft hole. Disclosure of Invention In view of the above, the application provides a deployment mechanism for a barrier board of a roadblock vehicle. According to an aspect of the present application, there is provided a deployment mechanism for a barrier panel of a barrier vehicle, adapted to be disposed between a body of the barrier vehicle and the barrier panel to open or close the barrier panel of the barrier vehicle, comprising a support arm, a deployment arm, and a driving arm; One end of the support large arm is suitable for being hinged with a vehicle body of the roadblock vehicle, the other end of the support large arm is hinged with one end of the unfolding arm through a first joint bearing, and a second joint bearing is arranged at the other end of the unfolding arm and is suitable for being hinged with the inner side of a baffle of the roadblock vehicle through a second joint bearing; One end of the driving arm is suitable for being hinged with a vehicle body of the roadblock vehicle, and the other end of the driving arm is hinged with the side wall of the support big arm so as to drive the support big arm to generate rotary motion. In one possible implementation, the end of the support arm connected to the vehicle body is provided with a first pin hinge, and the support arm is adapted to hinge with the vehicle body via the first pin hinge. In one possible implementation, the end of the support arm connected with the unfolding arm is provided with a yielding flat groove. In one possible implementation, a second pin hinge is provided on the side wall of the support boom, and the drive arm is hinged to the side wall of the support boom by the second pin hinge. In one possible implementation, the bottom of the support arm is provided with a pulley, the pulley and the second pin shaft hinge part are respectively positioned at two adjacent sides of the support arm, and the pulley is suitable for contacting with a sliding rail in the vehicle body. In one possible implementation, the first knuckle bearing is a rod end fisheye knuckle bearing. In one possible implementation, the second knuckle bearing employs a rod end fisheye knuckle bearing. In one possible implementation, the drive arm employs a ram. The support large arm is used as a connecting bridge between the vehicle body and the unfolding arm, the support large arm can rotate relative to the hinge point of the support large arm and the vehicle body, when the baffle is required to be opened, the support large arm rotates towards one side of the baffle and drives the unfolding arm to move together, and as the other end of the unfolding arm is hinged with the baffle, when the support large arm drives the unfolding arm to rotate, the baffle is pushed outwards through the unfolding arm, and the baffle is hinged with the vehicle body, so that the baffle can rotate outwards, and the baffle is opened. The large support arm is hinged with the unfolding arm through the first joint bearing, and the unfolding arm is hinged with the inner side of the baffle plate through the second joint bearing, so that the joint bearing is a spherical sliding bearing, the inner spherical axis of the joint bearing can swing at will in a certain inclination angle range relative to the axis of the outer spherical surface, and in use, even if the baffle plate is subjected to the ac