146results about How to "Avoid rollover accidents" patented technology

The invention discloses a bend driving early warning method based on vehicular access synergy. Firstly, visibility information at the position of an inlet of a bend is detected, and load information, speed information, license plate number information and model information of vehicles passing through the position which is 100m away from the inlet of the bend are detected. According to the vehicle model information, the vehicle load information, bend radius information and bend transverse slope angle information, a bend passing vehicle speed upper limit value corresponding to each vehicle is obtained, a corrected bend passing vehicle speed optimum speed limit value of each vehicle is finally obtained by the combination between the bend passing vehicle speed upper limit value of each before correction and the visibility information, and the bend passing vehicle speed optimum speed limit value and a corresponding license plate number are jointly sent to a variable speed limiting notice board to be displayed. The bend driving early warning method based on the vehicular access synergy has the advantages of being high in operating rate and reliability, providing the reliable information for a bend driving speed limit sign, effectively assisting a driver in avoiding possible side-turning accidents, ensuring driving safety, being universally applicable to the bend driving environment, overcoming the defect of the high cost of a vehicle-mounted early warning mode in traditional methods, and being high in implementation performance.

The invention provides a multifunctional safe fuelling vehicle which is a safe anti-explosion vehicle for fuelling vehicle. The safe fuelling vehicle consists of two parts: a transport vehicle and an anti-explosion fuelling device. The anti-explosion fuelling device comprises a block anti-explosion oil tank and a split type fuelling machine; wherein, a block anti-explosion device and block anti-explosion materials are filled in the block anti-explosion oil tank; and the split type fuelling machine is arranged in a control room, the shell of the control room is designed as an arch and integrally connected with the external wall of the tank, and the control room is internally provided with a mini generator. The vehicle forms a safe fuelling vehicle which can move and can fuel the vehicles at any time and any where on roads; therefore, drivers do not worry about fuel lean in the oil tank any more. The vehicle is multifunction, namely, if the anti-explosion fuelling device is separated from the vehicle, the vehicle can be used as an aboveground skid-mounted filling station, and the vehicle also can be used as a temporary filling station for field training armies at the field and the border post, in addition the vehicle can move at any time and is convenient in use.

The invention provides a demountable tanker truck and a hydraulic system thereof. The hydraulic system comprises a hydraulic pump, wherein the hydraulic pump supplies oil to a main oil cylinder and a moving oil cylinder through a multi-way valve, the multi-way valve at least comprises a main oil cylinder reversing valve and a moving oil cylinder reversing valve, and the hydraulic system also comprises a first position detection device and/or a second position detection device. The moving state of the main oil cylinder can be controlled according to the first position detection device, and the moving state of the moving oil cylinder can be controlled according to the second position detection device. The synchronism of the operation process of the main oil cylinder can also be ensured, and in addition, the protection on a main oil path can also be realized. The demountable tanker truck and the hydraulic system thereof have the advantages that misoperation can be reduced, the synchronism is high, the anti-impact performance is good, and the like.

The invention relates to a car rollover time measuring device and a car rollover time calculation method. Aiming at defects of the existing car rollover prediction research, the invention provides a car rollover time measuring device, which comprises a left front wheel vertical load sensor, a calculation unit, a right front wheel vertical load sensor, a right rear wheel vertical load sensor, a left rear wheel vertical load sensor, a car body and the like. The invention also provides the car rollover time calculation method. By using the invention, the rollover time in a car driving process can be calculated according to vertical loads of respective wheels of a car, so a vehicle-mounted control system or a driver can adjust a car driving state before the car is rolled over, and rollover accidents of the car can be prevented.

The invention provides a low-level small shear-type automobile elevator with an anti-overturning function and a using method of the automobile elevator. The low-level small shear-type automobile elevator with the anti-overturning function comprises two bases, a limiting frame, two safety locks, two magnetic valves, an outer shearing arm, an inner shearing arm, two supporting platforms, four automobile climbing plates, two oil cylinders, two boost arms, two boost arm pulling plates and a control box. The two safety locks and the two magnetic valves are arranged on the bases. The outer shearing arm comprises a straight pipe and two supporting parts which are of frame structures. The inner shearing arm comprises a U-shaped supporting frame formed by a connecting pipe and fulcrum bars and two straight bars. The fulcrum bars and the straight bars of the inner shearing arm are arranged inside the supporting parts of the outer shearing arm in an inserted manner. The bottom faces of the two supporting platforms are provided with sliding rails. The two supporting platforms are slidably connected with the supporting parts of the outer shearing arm and are slidably connected with the fulcrum bars and the ends of the straight bars of the inner shearing arm. One ends of the four automobile climbing plates are detachably connected with the supporting platforms. The oil cylinders are detachably connected with the straight pipe of the outer shearing arm. According to the elevator, the structure is simple, the condition that the overturning accident is caused due to the fact that the automobile gravity center is deviated from the elevator gravity center can be effectively prevented, the personal safety of operating personnel is guaranteed, and the production efficiency is improved.

The invention discloses a crawler type mountain transport vehicle. When the transport vehicle climbs up a hill and goes downhill, a carrier platform can be kept horizontal on all sides by the expansion and retraction of front and rear leveling cylinders and left and right leveling cylinders, and thus, when the mountain transport vehicle carries liquid, it is unlikely to pour out and leak, and when the mountain transport vehicle carries fragile materials, the fragile materials are guard against damage due to mutual squeezing, and the transport vehicle effectively prevents the free sliding and titling caused by the large-angle inclination of the carrier plate and therefore avoids the whole turnover accident. In comparison with the transport vehicle with the fixed carrier platform in the prior art, by leveling the carrier platform, the transport vehicle provided by the invention can reduce the energy consumption when climbing up a hill to enhance the climbing performance and is easy to brake when going downhill, so that the probability of brake system failure is reduced and the safety of the transport vehicle is enhanced.

The invention discloses a double-carriage self-discharging semitrailer, which mainly consists of a frame, a supporting device, a wheel device, a front carriage, a rear carriage, a front carriage lifting mechanism and a rear carriage lifting mechanism, wherein the front carriage and the rear carriage are arranged on the frame and driven by a combined lifting mechanism respectively; the front carriage lifting mechanism is in a double-cylinder web placement mode and in left and right bidirectional lateral discharging; the rear carriage lifting mechanism is in a single-cylinder front push connecting rod combined rear discharging mode; and the hydraulic systems of the front and rear carriage lifting mechanisms are in combined control. The double-carriage self-discharging semitrailer is stressed uniformly, has low deformation and good lateral stability, can be used under various complex working conditions, and basically can avoid the turnover accidents caused by the deformation of the frame. Moreover, an auxiliary shifting device is not needed at the tail of the semitrailer, and all operation processes are completed in the cab of the tractor, so the safety performance is high. Meanwhile, the semitrailer has good passing property and can be used in the road conditions with great gradient.

The invention provides a shopping cart conveying system. A cart comprises a shopping frame, shopping supports, front wheels and rear wheels. The shopping cart conveying system comprises a connecting assembly, a support and cart conveying units. The connecting assembly comprises a cross rod connected with the middles of the shopping supports and two support rods connected with the cross rod; and a clamping portion is formed at the other end of each support rod. The cart conveying units are arranged on the support. Each cart conveying unit comprises a base plate, a guide rail, an anti-bouncing cover plate, two chains, conveying guide blocks and a driving component, wherein each base plate is arranged on the support, and a support portion is arranged in the middle of each base plate; each guide rail is arranged on the upper surface of the corresponding support portion, and limiting grooves are formed in the two side walls of each guide rail; each anti-bouncing cover plate comprises a support portion and two limiting anti-bouncing portions, and two limiting anti-bounding cavities are formed by every two limiting anti-bouncing portions and the corresponding guide rail; every two chains are arranged in the corresponding limiting grooves; and the conveying guide blocks are arranged on the outer wall of a chain plate outside the chains. By means of the conveying system, rollover accidents occurring in the conveying process can be effectively prevented; stability is good; steady operation is achieved; multiple carts can be conveyed at the same time; conveying efficiency is high; and the shopping cart conveying system is reasonable in structural design, low in production cost and good in economic benefit.

The invention discloses a ground penetrating radar auxiliary device for train track detection. The ground penetrating radar auxiliary device comprises a walking device and a detecting and adjusting device mounted on the walking device, the walking device is clamped on a railway track and driven to travel by a driving motor; the detecting and adjusting device is installed above the walking device,and the ground penetrating radar auxiliary device suspended at the bottom is controlled by the detecting and adjusting device to move to a suitable detecting position and detecting height to detect the railway track; and a balance weight sliding platform in the detecting and adjusting device can maintain the center of gravity of the whole device always in a central area in the process of adjustment, and the problem of rollover caused by the instability of the center of gravity due to the fact that the sliding platform is detected to slide to one side is avoided. The ground penetrating radar auxiliary device is simple in structure and high in working efficiency, all the detection areas of all areas of the railway track can be realized, the distance between the detecting device and the detecting surface can be freely adjusted, and the detection accuracy can be ensured.

The invention discloses a side-tilting prewarning method and system for a chemical spraying machine. The method comprises steps as follows: S1: operation attitude information of the chemical spraying machine is acquired, and a transverse LTR (load transfer rate) of the chemical spraying machine is calculated according to the operation attitude information; S2: the transverse LTR is corrected according to the quantity of liquid chemicals in a liquid storage tank of the chemical spraying machine, and a corrected transverse LTR' is obtained; S3, whether the corrected transverse LTR' is in a preset alarm threshold value range is judged, if the answer is positive, warning information is sent out, and otherwise, the step S1 is performed again. According to the side-tilting prewarning method and system for the chemical spraying machine, the real-time motion state of the chemical spraying machine is acquired, the operation state type of the chemical spraying machine is judged, a side-tilting prewarning value is calculated and then corrected, and the accuracy of the prewarning value is improved; the corrected prewarning value is compared with a preset prewarning threshold value range, whether a sound-light alarm is sent to a driver through a prewarning module is judged, and the purpose of preventing a side-tilting accident is achieved.

The invention relates to the technical field of individual tracked vehicles, in particular to a double continuously variable transmission steering mechanism. The steering mechanism comprises a speed reduction box, a left output shaft, a right output shaft and a main transmission shaft, the left output shaft, the right output shaft and the main transmission shaft are arranged in the speed reduction box, the speed reduction box is formed by oppositely combining two shells, the main transmission shaft is in transmission connection with the left output shaft and the right output shaft through two belted continuously variable transmission mechanisms, and the rotation speed ratio of the left output shaft to the right output shaft is 1:4-4:1. In the steering process, the larger left and right displacement of a speed regulation wheel disc is, the larger the width difference of two driving belt wheels is, the larger the steering angle of the left output shaft and the steering angle of the right output shaft are, and therefore the large and small radius cornering control function is achieved. The steering mechanism is suitable for small tracked vehicles under various road condition environments; by means of specific rotation speed differences, steering flexibility of the vehicles can be guaranteed at a low speed, security can also be guaranteed when the vehicles turn a corner at a high speed, side turn caused by overhasty cornering is prevented, safety is high, and practicability is high.

The invention relates to a device for preventing rolling over of a two-wheeled motorcycle and belongs to the field of machinery. The device is mounted on the left frame and the right frame of the rear wheel axle of the motorcycle and comprises a support shaft, a shaft sleeve, a spring, a outer wheel set and an inner wheel set. The middle upper portion of the support shaft is connected to the frame through a screw. The top end of the support shaft is connected to a connecting rod through a connecting device. The other end of the connecting rod is connected with a handle. When the handle is tensioned, the support shaft spreads downwardly. When the handle is released, the support shaft closes up upwardly. A plurality of separated support wheel axles A are disposed at the tail end of the support shaft. The inner wheel set is connected to the support wheel axles A. The shaft sleeve is sleeved on the support shaft. The upper end of the shaft sleeve is connected to the frame through the spring. The lower end of the shaft sleeve is provided with a plurality of separated support wheel axles B. The outer wheel set is connected to the support wheel axles B. When the motorcycle is about to roll over, the support shaft and the wheel sets of the device mounted on the frame support the motorcycle first time to allow the motorcycle to slide laterally, and a rolling over accidents can be avoided.

The invention relates to an automatic switch-over shifting device and an operation method thereof. The automatic switch-over shifting device comprises lifting devices (12), a stopping device (13), a fixed roller bed (14), a skid (15), load-bearing supporting arms (16) and a driving shaft end sliding frame (6). The lifting devices (12) are arranged on two sides of the skid (15) and the fixed roller bed (14). The stopping device (13) is arranged inside the fixed roller bed (14). The load-bearing supporting arms (16) of the lifting devices (12) on two sides are connected through the driving shaft end sliding frame (6) of the driving device respectively to conduct transmission. The load-bearing supporting arms (16) conduct height adjustment and horizontal adjustment of a vehicle body.

The invention relates to a small size corn combine. The corn combine comprises more than one harvesting unit and each harvesting unit comprises a clamping delivery mechanism for vertically delivering cornstalks from front to back, a snapping unit and a cornstalk shredding mechanism; the snapping unit comprises two snapping rollers which are horizontally arranged at the back low side of the corresponding clamping delivery mechanism and form a roller pair; and a guide opening for guiding roots of the cornstalks from the corresponding clamping delivery mechanism to the two snapping rollers is arranged between the front ends of two snapping rollers of the same snapping unit; and the cornstalk shredding mechanism is arranged under the corresponding snapping unit. According to the small size corn combine provided by the invention, the included angle between the cornstalks and the cornstalk shredding mechanism is increased to some extent, so that the crushed sections formed by cutting off the cornstalks are greatly shortened and the length of the crushed sections satisfies the requirement of directly returning the cornstalks back to the field.

The invention discloses a temporary channel anti-skidding road surface for foundation pit excavation and a construction method of the temporary channel anti-skidding road surface. The temporary channel anti-skidding road surface comprises a plurality of anti-skidding road surface units which are mutually connected, each anti-skidding road surface unit comprises a rectangular steel board, a plurality of splay steel blocks and flanges, the splay steel blocks are arranged on the steel board, the flanges are arranged on two sides of the steel board, the anti-skidding road surface units are connected into the road surface through circular rings penetrating through perforations at four corners of the steel board, the anti-skidding road surface units are fixed through pins horizontally penetrating through the circular rings, and a cement mortar surface layer is sprayed on the road surface. The construction method of the temporary channel anti-skidding road surface includes the steps: 'determining the width and the gradient of a road, building a foundation of the road, laying the anti-skidding road surface units, spraying the cement mortar surface layer, maintaining the road surface and the like'. The temporary channel anti-skidding road surface has the advantage that the road surface has fine anti-skidding effects, can prevent warping damage, and accordingly avoids overturn accidents caused by damage of road soil due to stress concentration and tire slip of an overload vehicle in the climbing process of earthwork transport.

The invention provides a snow anti-skid track structure design for an automobile and belongs to the field of transportation. The snow anti-skid track structure design for the automobile comprises a driving wheel, tensioning wheels, a bracket, a track, an air cushion, supporting wheels, a side plate and automatic lifting mechanisms; the driving wheel is mounted on the external side of a wheel axle; the two tensioning wheels are positioned on the same horizontal plane; the bracket is horizontally arranged between the two tensioning wheels; the track is an annular track wound on the two tensioning wheels; a structure matched with a gear of the driving wheel is arranged on the outer ring of the track; and the air cushion is arranged between the upside of the bracket and the track. The snow anti-skid track structure design for the automobile has the advantages that the automation degree is high; the anti-skid track can be controlled to enter a working state by using an automatic control module; without a new power mechanism, the rotation power of the track is directly provided by a motor for providing power to a wheel; and when the anti-skid track is not in use, the anti-skid track can also be automatically controlled to be in a suspending state; therefore, the burden of the motor is reduced and energy is also saved.

The invention discloses a mountain carrier vehicle, which comprises a travelling mechanism, a bearing mechanism, a driving mechanism for proving power for the traveling mechanism, and a control mechanism for controlling the speed and advancing direction of the mountain carrier vehicle, wherein the bearing mechanism comprises a support table fixed above the travelling mechanism, a central upright post swiveled in the middle of the support table, and a carrying table which is fixed on the top of the central upright post and is used for carrying cargo; a first leveling oil cylinder is hinged between the front side or the rear side of the support table and the central upright post; a second leveling oil cylinder is hinged between the left side or the right side of the support table and the central upright post; when the mountain carrier vehicle runs, the carrying table is in a horizontal state by adjusting the stroke of the first leveling oil cylinder and the second leveling oil cylinder, so that the cargo on the carrying table cannot slide or tip over automatically, and liquid or fragile cargo cannot be leaked or extruded; therefore the mountain carrier vehicle is suitable to be popularized and used.

The invention discloses a manual rapid construction railway transport armored vehicle unloading temporary platform for armored forces. The manual rapid construction railway transport armored vehicle unloading temporary platform comprises a guide platform and a slope track. The guide platform is composed of a 45 degrees right triangle platform plate and a plurality of vertical supporting legs withadjustable height. In order to reduce the weight of a single piece to be transported, the platform plate is divided into at least two or more small triangles which are connected with each other through buckling-closing type connecting pieces; and the slope type track is composed of two sections or more track single bodies with a dip angle of 16 degrees-25 degrees with the ground, and the track single bodies are connected to each other by adopting claw type hinges. The manual rapid construction railway transport armored vehicle unloading temporary platform is light in the whole weight and shortin construction time compared with a platform made by foreign military and a temporary platform constructed by an army manually; and less personnel is required, the disassembling and evacuation are fast, no power is required, and the bearing capacity is not reduced. The manual rapid construction railway transport armored vehicle unloading temporary platform can be arranged in multiple directionson the left and right sides of a train flat car, the direction of the unloading vehicle is changed easily, and no restrictions on unloading site space and terrain is achieved; and it is not necessaryto regroup the army to deal with any complex situation in the field conditions.

The invention relates to a curve vehicle speed control method and a curve vehicle speed control system, and belongs to the field of vehicle safety control. The method comprises the following steps: (1) acquiring the curvature values of a road or a lane of N points from the near to the distant along the heading direction of the vehicle and sequentially denoting as rho1, rho2,...,rhoN, wherein N ismore than or equal to 2; (2) comparing the curvature value and the set curvature value rho0, calculating the upper limit vehicle speed corresponding to at least one point positioned on the curve if indicating that the vehicle is positioned before turning, and calculating the upper limit vehicle speed corresponding to the at least one point near the vehicle on the curve if indicating that the vehicle is at the curve; and (3) acquiring the current vehicle speed of the vehicle, and braking or reminding if the current vehicle speed is more than the upper limit vehicle speed. The curve entering working condition can be identified early, more time is provided for speed reduction before the vehicle enters the curve, the upper limit vehicle speed can be adjusted timely according to the specific road condition of the curve, and foundation is laid for the vehicle to respond to the specific road condition of the curve in real time.

The invention discloses a communication chassis capable of being conveniently mounted on various foundations. The communication chassis comprises a box body, wherein groove openings are formed in four corners of the bottom of the box body; retractable columns are arranged in the groove openings; the retractable columns are in sliding connection with the groove openings and are locked and fixed through first adjusting bolts; cushion columns are hinged to the bottoms of the retractable columns; the cushion columns are fixed on the ground through bolts. According to the communication chassis disclosed by the invention, the retractable columns are arranged at four corners of the bottom of the box body, and the heights of the retractable columns are adjusted so that the communication chassis can be horizontally mounted in an off-ground manner; the communication chassis is mounted in the off-ground manner so that a condition that the communication chassis is corroded when water is accumulated at the sections with pits can be prevented; the communication chassis is horizontally mounted so that a rollover accident, caused by the fact that the communication chassis is obliquely placed for a long period, can be prevented; the cushion columns are hinged to the bottoms of the retractable columns; the cushion columns are fixed on the ground through the bolts, so that the bottoms of the cushion columns are fitted to the ground all the time; the communication chassis is simple in structure, convenient to mount and firm and reliable.

The invention discloses an anti-rollover active control method based on a vehicle chassis integrated control technology. The anti-rollover active control method comprises the steps: 1, forming vehiclechassis subsystems in a coupling mode, and selecting system state parameters; 2, calculating an abnormal value rate of an output variable of a vehicle system; 3, calculating the correlation between the road excitation q and the output matrix Y; 4, judging a vehicle rollover risk area under the current driving working condition; 5, designing an anti-rollover cooperative coupling control strategy for vehicle chassis integrated control; on the basis of the vehicle chassis subsystem integration technology, the vehicle rollover risk can be evaluated and predicted according to the vehicle dynamic state parameters, and the vehicle rollover is actively controlled by adopting the system integration control technology.

The invention provides an active supporting device for preventing rollover of a rail transit vehicle caused by derailing. The device comprises a cylinder body and a supporting column, wherein the cylinder body is provided with a piston cavity; the inner wall of the upper end of the cylinder body is provided with an upper clamping groove; the inner wall of the lower end of the cylinder body is provided with a lower clamping groove; the supporting column is movably arranged in the cylinder body; the upper end of the supporting column is provided with a piston plate; the piston plate is in sealed contact with the inner wall of the cylinder body; the side wall of the piston plate is telescopically connected with an elastic block; the elastic block is clamped in the upper clamping groove or the lower clamping groove. According to the active supporting device for preventing rollover of the rail transit vehicle caused by derailing, the vehicle can be supported by extending the supporting column of the vehicle out under the condition that the vehicle has the rollover trend, the vehicle rollover accident is avoided, and the safety of the vehicle is effectively protected.