8results about How to "Improved rollover performance" patented technology

The invention discloses an electric carrying equipment drive-by-wire chassis multi-domain collaborative anti-rollover control method, which comprises the following steps of: 1, constructing a rollover risk assessment and control strategy selection method, and calculating key parameters such as yaw velocity and lateral acceleration of a vehicle in real time; step 2, based on the rollover risk index model and the rollover critical threshold in the step 1, establishing a multi-domain collaborative rollover prevention control model, and performing collaborative scheduling on independent steering, hub motor differential steering and an ESP brake control system; step 3, based on the multi-domain collaborative anti-rollover control model in the step 2; and 4, based on the priority dynamic allocation and control strategy execution result in the step 3, the central control unit coordinates the complex interaction relationship among the subsystems by using a fuzzy logic control algorithm. The invention provides a reliable control strategy priority and use frequency method, and provides a more reliable anti-rollover solution for the electric carrying equipment under a complex dynamic working condition.

The invention discloses an anti-rollover control method and system for a container stacking machine, and belongs to the technical field of stacking machine control technologies. The anti-rollover control method of the container stacking machine comprises the steps that equipment parameters input by a user through an interactive instrument are received; calculating a first horizontal distance and a first vertical distance according to the equipment parameters, the weight of the lifting box, the lifting height of the lifting appliance and the inclination angle of the portal; the current turning radius of the container stacking machine is calculated according to the equipment parameters, the vehicle steering angle and the first horizontal distance; the current maximum rotating speed of the walking motor is calculated according to the equipment parameters, the lateral ramp angle, the first vertical distance and the current turning radius; and determining the current pedal opening degree of the accelerator pedal, determining the target rotating speed of the walking motor according to the current pedal opening degree and the current maximum rotating speed, and controlling the walking motor to work according to the target rotating speed. The container stacking machine can be controlled according to the actual state of the container stacking machine, and the rollover prevention effect is improved.

The present application belongs to the technical field of vehicle engineering, and relates to a kind of active steering and differential brake integrated rollover control method, comprising: constructing tractor steering and differential brake integrated dynamics model;Adopt model prediction method to establish controller;Based on road adhesion coefficient setting steering angle and brake torque constraint, the optimal control output is obtained by using quadratic programming to solve constraint optimization problem.The present application introduces the dynamic estimation of road adhesion coefficient in the constraint of front wheel steering angle and trailer yaw moment, which can effectively reduce the tire slip phenomenon caused by insufficient adhesion on low adhesion road and solve the problem that static value cannot adapt to any working condition in real time, at the same time, the model prediction method is used to set the controller, the future state of the vehicle is predicted in advance, and the driving safety is improved, the present application can effectively improve the adaptability of articulated vehicle in low adhesion coefficient road under rollover control, and the integrated method can effectively strengthen the rollover control effect.

The utility model discloses an anti-rollover yoga paddle board which comprises a paddle board main body and floating-assisting balance strips which are symmetrically distributed along the edge position of the bottom of the paddle board main body, a plurality of independent air chambers which are distributed circle by circle are separated in the paddle board main body through PVC (Polyvinyl Chloride) separation cloth, and each air chamber is provided with an air nozzle; the PVC partition cloth is provided with double layers of high-density PVC cloth, the double layers of high-density PVC cloth are bonded into a whole through a hot melt adhesive layer, the top and the bottom of the double layers of high-density PVC cloth extend to form bonding and fixing areas respectively, and the bonding and fixing areas are used for being connected with the paddle board body. The anti-rollover performance of the yoga paddle board is improved while buoyancy is increased by the aid of the floating-assisting balance strips symmetrically distributed at the bottom of the yoga paddle board, the independent air chambers distributed circle by circle are matched, and other air chambers are still annularly distributed under the condition that any air chamber leaks air, so that the balance of the whole yoga paddle board is not affected, and the service life of the yoga paddle board is prolonged. Therefore, the rollover prevention performance of the novel yoga paddle board is further improved.

The utility model relates to engineering machinery safety protection technical field discloses a bulldozer anti -rollover device, include: first fixed plate, first fixed plate sets up in bulldozer both sides, angle adjusting structure, angle adjusting structure includes first adjusting part and second adjusting part, first adjusting part includes the second limiting frame board of setting in first fixed plate outside, fixed mounting has servo motor on the one side outer wall of second limiting frame board, the inside rotatory mounting of second limiting frame board has the pivot, and the output shaft of servo motor is fixedly connected with the one end of pivot through the shaft coupling, second adjusting part includes the third connecting plate of fixed mounting in first fixed plate one side outer wall, fixed mounting has second connecting plate on the one side outer wall of third connecting plate, reach the purpose of angle adjustment to device, expand the inclination angle of device, carry out the support under a variety of angles to bulldozer, improve the supporting effect of device, improve the anti -rollover ability of device, improve the convenience of device use.

The utility model relates to the technical field of photovoltaic supports, in particular to a reinforcing structure for a photovoltaic support, and solves the problems that in the prior art, personnel need to be matched with a photovoltaic support to fix a photovoltaic panel, and the photovoltaic panel cannot be fixed in severe weather if the connection between the photovoltaic support and the ground is not stable enough. The problem of property loss caused by enterprise use due to the fact that other accidents such as rollover of the photovoltaic panel occur in the prior art can be solved. A reinforcing structure for a photovoltaic support comprises a connecting shell, vertical plates are fixedly connected to the two sides of the connecting shell, photovoltaic panels are installed at the tops of the vertical plates, a flat plate is horizontally arranged in an inner cavity of the connecting shell, and a lead screw is vertically arranged at the top of the flat plate. According to the utility model, the stable supporting performance of the photovoltaic support to the photovoltaic panel is enhanced, the wind resistance and the rollover prevention capability of the photovoltaic support are improved by the reinforcing structure, the protection to the photovoltaic panel is increased, and accidents caused by the influence of external force are prevented.

The utility model relates to the technical field of pipeline detection, and discloses a pipeline nondestructive testing crawler, which comprises a main body mechanism and a detection mechanism, the detection mechanism is located in front of the main body mechanism, the main body mechanism comprises a crawler body, a mounting chute and an anti-rollover assembly, the mounting chute is fixedly arranged at the upper end of the crawler body, and the anti-rollover assembly is located in front of the detection mechanism. The rollover prevention assembly is located above the crawler body. The rollover prevention assembly comprises a transmission motor and a transmission shaft, the transmission motor is fixedly installed at the left end of the inner end of the installation sliding groove, and the transmission shaft is fixedly installed at the transmission end of the right end of the transmission motor. According to the crawl device for pipeline nondestructive testing, the rollover prevention capacity is improved by installing the main body mechanism, in the actual use process, the use distance of the movable wheels can be conveniently adjusted, the movable wheels can be conveniently attached to the interior of a pipeline, the rollover prevention effect on the crawl device body is achieved, and the service life of the crawl device is prolonged. And the use stability of the crawler for pipeline nondestructive testing is improved.

The utility model belongs to the technical field of anti-rollover of cranes, and discloses an anti-rollover structure of a crane, which comprises a vehicle body, vehicle plates mounted in the middle and at the tail of the vehicle body, and cranes mounted at the top ends of the vehicle plates and close to the tail of the vehicle body. A first anti-rollover box body and a second anti-rollover box body are fixedly installed at the positions, located in the middle of the vehicle body, of the top end of the vehicle plate in the width direction, sliding grooves are formed in the positions, close to the left side and the right side of the vehicle body, of the first anti-rollover box body and the second anti-rollover box body, and telescopic bases are slidably connected into the sliding grooves. According to the anti-rollover structure, the width of contact between the crane and the ground is greatly increased, so that the anti-rollover effect is improved, meanwhile, through cooperative use of a storage groove, a limiting hole and a clamping pin, a supporting seat can be recycled into the storage groove through a rotating shaft, then a telescopic seat is recycled into a sliding groove, one side of the telescopic seat is parallel to an opening of the sliding groove, and therefore the supporting seat and the telescopic seat are convenient to use. The situations that the width of the crane body is increased and the convenience of walking and parking of the crane in an urban area is reduced due to the rollover prevention structure are avoided.