95results about How to "Reduce rollover" patented technology

The embodiment of the invention discloses a bend passing control method and device for an automatic driving vehicle, equipment and a medium, and relates to the technical field of automatic driving. Atleast one implementation mode of the bend passing control method comprises the steps that the bend boundary in a perception area located in the current driving direction of the automatic driving vehicle is determined on the basis of the current position of the automatic driving vehicle in a bend; the current safe stopping distance of the automatic driving vehicle in the bend is determined throughcurrent driving parameters of the automatic driving vehicle and the bend boundary; a speed threshold value of the automatic driving vehicle is determined according to the current safe stopping distance, braking parameters of the automatic driving vehicle and the bend curvature corresponding to the current position; and the speed of the automatic driving vehicle is controlled to not exceed the speed threshold value. According to the embodiment of the bend passing control method and device for the automatic driving vehicle, the equipment and the medium, the passing success rate of the automaticdriving vehicle in the narrow bend can be increased, and the driving safety is guaranteed.

The invention discloses an anti-rollover fastening device which comprises a threaded sleeve and a fixed plate, wherein the inside of one end of the threaded sleeve is in threaded connection with a rod body of a first threaded rod; the inside of the other end of the threaded sleeve is in threaded connection with a rod body of a second threaded rod; limiting mechanisms are arranged at opposite ends of the first threaded rod and the second threaded rod; integrated embedded block structures are arranged at two opposite ends of the first threaded rod and the second threaded rod; a wire rope is embedded into the center of each embedded block structure; a threaded column is embedded into the end part of one wire rope; and each threaded column is connected with the inside of a circular plate through a thread structure. An effective fixing effect on a device which is easy to roll over can be achieved, so that the rollover phenomenon of an object is reduced. In addition, the pre-tightening force can be adjusted, so that the fastening effect is more compact.

The invention relates to a medium-sized pure electric bus chassis which comprises a chassis body, a first front wheel, a second front wheel, a first rear wheel, a second rear wheel, a front axle and a rear axle, wherein the first front wheel, the second front wheel, the first rear wheel, the second rear wheel, the front axle and the rear axle are arranged on the chassis body, the front axle is arranged between the first front wheel and the second front wheel, and the rear axle is arranged between the first rear wheel and the second rear wheel. An electric steering system, a power source system, a driving system, a control system and a brake system are arranged on the chassis body. The electric steering system is positioned in the front section of the chassis body, the power source system is positioned in the middle section of the chassis body, the driving system and the control system are positioned in the rear section of the chassis body, and the brake system is distributed on the whole chassis body in a penetrating manner. Electric energy serves as a power source, the power performance and safety of a power system can be ensured when a bus runs, and zero emission, energy conservation and environmental protection can be realized.

The invention discloses an electrified cleaning insulating maintenance robot device for high-voltage power equipment. The electrified cleaning insulating maintenance robot device comprises a traveling mechanism, a lifting mechanism and a cleaning insulating maintenance mechanical arm. The lifting mechanism comprises a motor linkage driving circuit, a motor, a balance monitoring device and two or more pneumatic insulating lifting rods. The motor linkage driving circuit is in signal connection with the motor. The balance monitoring device is in signal connection with the motor linkage driving circuit. The pneumatic insulating lifting rods are made of epoxy resin or glass fiber steel and installed on the traveling mechanism. The cleaning insulating maintenance mechanical arm is arranged on the lifting mechanism. According to the electrified cleaning insulating maintenance robot device for the high-voltage power equipment, the supporting stability is improved, the driving force of the lifting mechanism is reduced, and the phenomenon of creepage short circuits is effectively avoided; the degree of balance of the lifting mechanism can be adjusted automatically, the probability of tilting and turning is lowered, and the safety performance is improved.

The invention discloses a method for setting vibration deceleration markings at long downhill sharp turn sections of mountain roads. According to the method, setting positions of vibration deceleration markings at serious traffic accident-prone sections and spacing distances between the vibration deceleration markings are determined on the basis of cognitive psychology and man-machine ergonomics principles, so as to scientifically and reasonably carry out deceleration control and prompt on the drivers before entering the uphill and downhill sharp turn sections of mountain roads. The invention provides a set of careful and effective setting method for setting vibration deceleration markings at long downhill sharp turn sections of mountain roads.

The invention discloses an active anti-rollover control method for an automatic guided vehicle; the method comprises the following steps: establishing an automatic guided vehicle dynamic model and a two-degree-of-freedom vehicle model to obtain ideal values of the yaw velocity, the side slip angle and the vehicle body roll angle of an automatic guided vehicle; when the actual values of the yaw velocity and the side slip angle are larger than ideal values, considering that the vehicle is not in a stable state, starting an active steering controller for control, obtaining a front wheel active steering angle delta Delta based on model prediction and outputting the front wheel active steering angle delta Delta to the active steering controller, and enabling an active steering actuator to act; otherwise, considering that the vehicle is stable and not performing active control; when the actual value of the roll angle of the vehicle body is larger than the ideal value of the roll angle of the vehicle body, considering that the vehicle is in an unstable state, obtyaining the roll control torque delta Mxc based on sliding mode control, calculating the acting force Fxi of the push rod motor, outputting the calculation result to the load platform controller, and enabling the load platform actuator to act. The invention provides an anti-rollover control strategy combining active steering and load platform mass center adjustment, and the rollover phenomenon of the unmanned vehicle caused by the fact that the unmanned vehicle is on a slope and under the high mass center of goods accumulation is effectively reduced.

The invention discloses a bar code reading method, which comprises the following steps: S1. the package is shot by a first shooting device; S2. the he barcode on the package is identified according tothe image acquired by the first shooting device; S3. the positional relationship of the package is distinguished according to the image acquired by the first photographing device; S4. the bar code and the position relationship information of the same parcel are bound. Beneficial effects of the invention: the bar code reading method and the bar code reading system provided by the invention can identify the bar code by the first shooting device before the sorting device captures the package, and distinguish the irregular positions of the packages, bind the position of the parcel and the bar code accurately so as to avoid the phenomenon that the sorting equipment cannot sort.

The invention provides a lifting and transporting device of aluminum buckle plates. The lifting and transporting device comprises a base, a first lifting device, a transmission box and a second lifting device, wherein the first lifting device is arranged at the right end of the base, the first lifting device comprises a support, a transmission device and a linear guide, and first rails are arranged at the two ends of the support; first sliding blocks are arranged on the first rails, a transmission block is arranged between the two first sliding blocks, the first sliding blocks located on the left side are connected with a lifting platform through a linear guide, and a second lifting device is arranged at the left end of the base; and the second lifting device comprises a fixing frame, a driving motor, a screw rod, a second sliding block, an air cylinder and a material receiving tray, wherein an infrared sensor is arranged at the top end of the fixing frame. According to the lifting andtransporting device of the aluminum buckle plates, the aluminum buckle plates are transported in a stacked mode, single-piece extraction is carried out, and workers can randomly take and use the aluminum buckling plates; and the device is simple and convenient, does not need to carry out bending and extraction, reduces the labor intensity of the workers, and improves the happiness of the workersduring working.

A high-safety safeguard on the hub in the car tyre without internal tube for continuous running after the tyre is exploded is composed of 4-6 or more T-shaped flap blocks made of alloy steel, and axial locking mechanisms consisting of fastening screw bolt with baseplate and nut for splicing said flap blocks to become a circular ring.

A rollover inhibitor to help prevent towed vehicles from rolling over while being towed in high winds. The device features a rotatable elongated member having a wheel on a distal end which engages to a frame mount adapted to engage the frame structure of towed vehicles such as mobile homes. When tipped by the wind, the wheel engaged to the member will prevent over rotation of the trailer around its axis and thereby inhibit the potential for rolling over. The wheel is spaced a distance from the road surface so as to only contact it if the trailer tips past a predetermined point.

The invention discloses a rollover prevention mechanism on a robot base. The rollover prevention mechanism comprises a base. Distance measuring sensors are fixed to the two sides of the bottom of thebase, an intermediate plate is fixed to the middle of the upper end face of the base, counterweight pieces are arranged on the two sides of the intermediate plate, and the counterweight pieces comprise rotating motors and counterweight plates stacked layer upon layer in the horizontal direction; the counterweight plates comprise bottom plates connected to horizontal rotary shafts of the rotating motors in an inserted mode, first plates abutting against the side walls of the bottom plates and second plates abutting against the side walls of the first plates, the height of each second plate is smaller than the height of the corresponding first plate, the height of each first plate is smaller than the height of the corresponding bottom plate, and first air cylinders are fixed to the side walls of the bottom plates; and vertical piston rods of the first air cylinders are fixedly connected with the bottoms of the first plates, second air cylinders are fixed to the side walls of the first plates, vertical piston rods of the second air cylinders are fixedly connected with the bottoms of the second plates, and the first air cylinders, the second air cylinders, the rotating motors and the distance measuring sensors are connected with one another. According to the rollover prevention mechanism on the robot base, the occurrence probability of the situation of robot rollover can be effectively decreased.

The invention relates to the field of robots, in particular to an anti-toppling stacker robot. According to the technical scheme, the anti-toppling stacker robot comprises a robot main body; a material bearing lifting mechanism is installed on the robot main body, and a material bearing plate is connected to the material bearing lifting mechanism; the robot main body is further connected with an anti-toppling lifting mechanism; one end of a supporting rod is connected to the anti-toppling lifting mechanism, the other end of the supporting rod is connected with one end of a spring, and the other end of the spring is connected with a supporting barrel; and the spring and the supporting rod are both arranged in the supporting barrel in a sleeved mode, and the supporting barrel is connected with a rolling wheel. The anti-toppling stacker robot provided by the invention can avoid toppling through the self reliable support when toppling to a certain extent, and the problem that an existing stacking robot is prone to rollover in the moving process is solved.

The invention relates to a combined material for stably foaming a polyisocyanurate foam material, a method for using the combined material to produce the polyisocyanurate foam material, and the polyisocyanurate foam material produced through the method. The combined material for the polyisocyanurate disclosed in the invention is especially suitable for continuous production line technologies. Compared with routine combined materials for the polyisocyanurate, the combined material used in the invention has the advantages of stable material foaming, smooth surface, small foam contraction, high dimensional stability, low defective rate and the like in the polyisocyanurate production process.

The invention discloses a method for continuously arranging vehicle type-divided speed limitation boards on accident-prone sections of a mountain highway. The positions of the vehicle type-divided speed limitation boards on the major traffic accident-prone sections of a mountain region and the continuous arranging method are determined on the basis of principles of cognitive psychology and man-machine ergonomics, and then decelerating prompting and warning are scientifically and reasonably given to a driver before the driver enters the accident-prone sections of the mountain region. A detailed and effective arranging method is provided for continuous arrangement of the vehicle type-divided speed limitation boards on the accident-prone sections of the mountain highway.

The invention relates to a motor vehicle safety anticollision device, which comprises a piston-type jet energy consumption device and a pipe wall-type jet energy consumption device, wherein the piston-type jet energy consumption device comprises a piston cylinder, a piston, a piston ejector pin, a piston cylinder end cover, an anticollision rod and an antifreeze solution; the piston is provided with at least one piston jet hole; the piston jet holes penetrate through the top of the piston from the bottom of the piston; the pipe wall-type jet energy consumption device comprises at least one pipe wall jet hole, a jet buffer chamber, a jet buffer chamber pressure relief pipe, a connecting pipe and an antifreeze solution box. By adopting the motor vehicle safety anticollision device, a motor vehicle can be ensured to have a bidirectional anticollision function, i.e. the front collision is prevented firstly and then the rear-end collision can be prevented, the body of the motor vehicle can be ensured to be in the stretching state in the high-speed front collision process, the side collision prevention performance can be greatly improved and the safety of the motor vehicle can be greatly improved. The invention also relates to a motor vehicle chassis with the anticollision device.

The invention discloses a rollover prevention base of a robot. The rollover prevention base comprises a rectangular base. A partition plate is fixedly arranged inside the base. The base is partitioned through the partition plate into an upper layer cavity and a lower layer cavity. A plurality of wheels are fixedly arranged on the bottom face of the base. A plurality of distance measuring sensors are fixedly arranged on the two sides of the lower layer cavity of the base. Probes of the distance measuring sensors are exposed out of the bottom face of the base. A plurality of inclined gas ejector pipes are fixedly arranged on the two outer side walls of the upper layer cavity of the base in a plugged mode, nozzles of the gas ejector pipes face downwards, the gas ejector pipes are fixedly connected to a gas collecting pipe, the gas collecting pipe is connected with a nitrogen storage tank through a pipeline, an electromagnetic valve is fixedly connected to the portion, between the gas collecting pipe and the nitrogen storage tank, of the pipeline, and the electromagnetic valve and the distance measuring sensors are electrically connected through a wire and a control circuit board; the gas collecting pipe, the electromagnetic valve and the nitrogen storage tank are arranged inside the upper layer cavity of the base, and the nitrogen storage tank is fixed to the partition plate through a fixing support. The rollover prevention condition of the robot can be effectively reduced.

The invention relates to a side slip-preventing auxiliary brake for a goods van and belongs to the field of vehicle side slip prevention. The side slip-preventing auxiliary brake for the goods van comprises a goods van carrier and wheels, wherein the goods van carrier is arranged on the wheels, a side slip-preventing device is arranged below the goods van carrier and is hinged to the bottom end of the goods van carrier, and the side slip-preventing device vertically swings with the hinge end as the center and is in contact with the ground. The side slip-preventing auxiliary brake effectively reduces the probability that the goods van turns on its side under emergency braking. The side slip-preventing auxiliary brake is simple in structure, stabilizes the gravity center of the van, plays a braking effect and reduces the threaten of the goods van to other vehicles or persons.

The invention discloses a horizontally-opposite Tai Chi engine. The horizontally-opposite Tai Chi engine comprises a piston cylinder, a crankshaft, a connecting rod, a piston and Tai Chi sliding blocks composed of first sliding block bodies and second sliding block bodies. An even number of piston holes are formed in the piston cylinder. The crankshaft is horizontally arranged in the piston cylinder and provided with connecting rod shaft necks corresponding to the piston holes in number, and every two adjacent connecting rod shaft necks are distributed on the two sides of a crankshaft main shaft neck. Each piston hole is internally provided with a connecting rod, a sliding block installing hole is formed in the center of the connecting rod and internally provided with the Tai Chi sliding blocks, the connecting rod shaft necks are clamped in first U-shaped grooves formed in the corresponding first sliding block bodies, and the two ends of the connecting rod are connected with two pistons respectively. The pistons of the engine are averagely distributed on the two sides of the crankshaft and move left and right in the horizontal direction, the overall height and the length are reduced, the gravity center is lowered, the torque produced by the pistons on the two sides is offset, vibration produced in the driving of an automobile can be reduced, and the noise of the engine can be lowered to some extent. The rotating speed can be increased, and the oil consumption can be lower.

The invention discloses a control method and device of an unmanned vehicle and the unmanned vehicle. The control method comprises the following steps: obtaining road information of a road on which an unmanned vehicle is to be driven in a park, the road information comprising a lane length, a lane identifier and a lane line position; based on the road information, obtaining lane changing driving information when the unmanned vehicle drives to a lane changing position, and the lane changing driving information comprises a lane changing angle; calculating a vehicle drift angle when the unmanned vehicle changes a lane according to the lane change driving information; monitoring driving parameters of the unmanned vehicle when the unmanned vehicle is driven according to the vehicle drift angle; if the driving parameters represent that the driverless vehicle has driving risks, adjusting a lane changing strategy, and the driving risks include that the driverless vehicle deviates from a lane and a collision object exists.

The invention belongs to unmanned helicopter test trail flight guarantee equipment, and relates to a trial flight protection device special for a wheel undercarriage unmanned helicopter and used during test trial flight. According to the trial flight protection device of the wheel type unmanned helicopter, the theory of all skid landing gear trial flight protection devices of China Aviation Industrial helicopters is used for reference, the structural mode and mounting mode of a mounted connector of the trail flight protection device need to be redesigned according to the actual mounting needs of the wheel undercarriage unmanned helicopter, and the structure of a helicopter body is fully utilized for fixing the trial flight protection device.

The invention discloses an air entraining self-balancing type unmanned aerial vehicle, and belongs to the field of unmanned aerial vehicles. According to the air-entraining self-balancing type unmanned aerial vehicle, firstly, the air-entraining arc plates are used for achieving the effective drainage and pressure reduction process on external wind power, the wind pressure influence of the wind power on the unmanned aerial vehicle body is effectively reduced, and the rollover situation is reduced, and first balance effect is provided for stable flight of the unmanned aerial vehicle body; secondly, when the unmanned aerial vehicle body turns over on one side under the action of wind power, the balance gravity ball automatically moves to apply pressure to the air control chain plate, so that the air control chain plate displaces, the air inlet hole is opened, guided wind power enters the floating increasing air bag, and the floating increasing air bag expands, so that the air resistance borne by rollover of the unmanned aerial vehicle body is increased, and the unmanned aerial vehicle body is promoted to recover the balance state, that is, the second self-balancing process. Through the double progressive self-balancing effect, the wind resistance stability of the unmanned aerial vehicle body during flight is greatly improved.

The invention provides a method and device for improving the magnesium absorption rate in a nodular cast iron spheroidizing process, and belongs to the technical field of nodular cast iron spheroidizing processes. The method includes the following steps that a, the temperature of molten iron is controlled; b, the molten iron is injected into a spheroidizing ladle; c, a spray gun is inserted into the spheroidizing ladle, and the insertion depth of the spray gun is adjusted; d, a ladle barrel and a ladle cover of the spheroidizing ladle are locked; and e, a spheroidizing agent is sprayed into the molten iron, and the spray pressure and the spray speed of the spray gun are adjusted. By means of the method for improving the magnesium absorption rate in the nodular cast iron spheroidizing process, in the spheroidizing reacting process, escape of magnesium bubbles in the molten iron is reduced, the magnesium absorption rate is increased, the magnesium waste is reduced, and the production cost is saved. The invention also provides a device for improving the magnesium absorption rate in the nodular cast iron spheroidizing process.

A tank for transporting fluids on a truck chassis includes a front wall, side walls, a back wall, a top, and a floor. Interior stairs extend from the floor to an opening in the top to allow stair access into the interior with integrated safety handrails on the fill port cover. Stair toe kicks act as internal transverse baffles to help control fluid motion and surging. The stairs also act as a structural stiffener between longitudinal baffles. Horizontal baffles assist in controlling fluid motion and surging. Formed baffles provide strength and stiffness. A baffle interlocking system improves joint integrity and aids manufacturing. Formed outer skins provide structural strength for the tank. Ports located in front and rear bulkheads may be used for tank ventilation or, depending on local safety codes, as secondary access points.

The invention relates to the field of rubber ball production, and discloses leather piece coloring equipment with the rapid air drying mechanism, which comprises a supporting frame. Four supporting rods are fixedly connected to the top face of a bottom plate of the supporting frame. The invention aims to solve the problem that some existing devices are low in dyeing efficiency. Air is blown to the leather pieces, so that the leather pieces are easy to turn over; when the device blows air to air the leather pieces, the time that the leather pieces located on the front side are blown by wind is long, part of water vapor remains in the wind on the rear side, and the drying effect of the leather pieces on the rear side is prone to being poor. The equipment is composed of a coloring mechanism and an air guide mechanism. According to the leather piece coloring equipment with the rapid air-drying mechanism, the C-shaped frame is stretched to move downwards through the air cylinder, after the top face of the inner wall of the C-shaped frame is in contact with a leather piece, the air cylinder continues to stretch to promote the two pressing rollers to move downwards to abut against the top face of the C-shaped frame and roll towards the front side and the rear side at the same time, dye in the C-shaped frame is smeared to the leather piece on the conveying belt, and the coloring efficiency is higher.

The invention belongs to the technical field of special sickbeds for preventing bedsores, and discloses an anti-bedsore sickbed. The sickbed comprises a bed body and a mattress arranged on the bed body, and further comprises a plurality of expansion air bags sequentially arranged in the length direction of the bed body, wherein a cavity is formed in the bed body; a plurality of driving parts for driving the multiple expansion air bags to expand intermittently are arranged in the cavity; each driving part comprises a piston barrel fixed in the cavity; a piston is slidably connected to the interior of each piston barrel; each piston barrel communicates with the corresponding expansion air bag; a moving rod is hinged to each piston; a transmission rod is further hinged to the end, away from the corresponding piston, of each moving rod; a rotating shaft is further rotationally connected to the interior of the cavity; a rotating disc is coaxially fixed on the rotating shaft; each transmission rod is eccentrically fixed on the rotating disc; and a motor for driving the rotating shaft to rotate is also arranged in the cavity. The sickbed solves the problems that at present, in order to prevent the bedsores of a patient, a family member of the patient or a medical staff needs to turn over the patient, and the turnover action force is not easy to control, so that secondary injury of thepatient is likely to happen.

The invention discloses a control method, an apparatus, a vehicle and a computer readable storage medium. The method herein includes the following steps: detecting motion attitude data of a vehicle; using the detected motion attitude data, determining roll angle of the vehicle body; if the roll angle meets a first preset condition, generating a first control command; transmitting the first controlcommand to a power driving assembly of the vehicle; and the first control command is intended for indicating the power driving assembly to reduce power output to a value under a safety threshold.

The invention provides an improved forging line discharging device and belongs to the field of forging equipment. The device comprises a base, a guide base, a discharging mechanism, a material lengthadjusting device, an anti-bouncing device and a driving device, wherein the guide base comprises a guide sleeve and a sleeve core, and a through groove which extends in the left-right direction and isused for containing a to-be-cut material bar is arranged in the sleeve core; the discharging mechanism comprises a lower die blade, an upper die blade and a discharging upper die; the material lengthadjusting device comprises an adjusting base and an adjusting column, and the adjusting column can be mounted on the adjusting base and can be adjusted left and right; the anti-bouncing device comprises a mounting base, a mounting shaft and a roller; the driving device is arranged on the right side of the anti-bouncing device and drives the material rod to move leftwards; the base is provided with a blanking opening for a cutting section obtained after the material bar is cut to pass through. The device is simple in structure and convenient to operate, can effectively reduce bouncing or eventurn-over in the material bar cutting and discharging processes, greatly reduces potential safety hazards, greatly improves the working efficiency, and guarantees the cutting and discharging quality.

The invention discloses a multi-shaft mixer for materials of high viscosity or low viscosity. The multi-shaft mixer comprises a cover, a U-shaped stirring paddle, a first straight stirring paddle, a second straight stirring paddle, a third straight stirring paddle, speed reducers and motors, wherein the driving ends of the first straight stirring paddle, the second straight stirring paddle and the third straight stirring paddle respectively penetrate through the cover; the opening in the U-shaped stirring paddle faces upward vertically, and is right under the cover; the center in the bottom of the U-shaped stirring paddle is fixedly connected with the bottom of the first straight stirring paddle; stirring blades of the U-shaped stirring paddle, the first straight stirring paddle, the second straight stirring paddle and the third straight stirring paddle are arranged in a staggered manner, while every two adjacent stirring blades are on different planes. Therefore, according to the multi-shaft mixer, the stirring direction of a material is changed constantly; the material is stirred and cut in layers; the mechanical homogeneous strength of the viscous material is enhanced; the stirring time is shortened; equipment energy consumption is reduced; the product quality is improved.