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

Bend driving early warning method based on vehicular access synergy

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.
Owner:北京踏歌智行科技有限公司

Automobile, anti-side turning safety system for automobile and anti-side turning safety device thereof

The invention discloses an automobile, an anti-side turning safety system for the automobile and an anti-side turning safety device thereof. The anti-side turning safety system for the automobile comprises a weight box which is fixed on the automobile and transversely extends left and right along the automobile; a piston type weight block is assembled in the weight box left and right transversely along the automobile in a sealed sliding manner and used for adjusting the center-of-gravity position of the automobile; the weight block separates an inner cavity of the weight box into a left cavity and a right cavity which are not communicated; the anti-side turning safety device also comprises a pneumatic or hydraulic drive mechanism which is arranged on the automobile to drive the weight block to slide in the weight box when in use; and the drive mechanism comprises a pneumatic or hydraulic power source and a liquid conveying pipeline which is communicated with the power source and the left and right cavities of the weight box. The weight block moves left and right to adjust the center of gravity of the automobile so as to prevent the automobile from turning sideward and causing danger.
Owner:ZHENGZHOU YUTONG BUS CO LTD

Detection method for vehicle tilting state

The invention relates to a detection method for a vehicle tilting state. The detection method comprises the following steps of firstly acquiring a lateral acceleration (a[bh]) and a vertical-to-ground acceleration (a[bv]) of the vehicle; then obtaining a vehicle tilting angle (Phi) and a lateral acceleration (ay) of the vehicle in relative to a geodetic coordinate system; comparing the obtained vehicle tilting angle (Phi) with a preset tilting range and determining to obtain the vehicle tilting state. The detection method obtains the vehicle tilting state by directly calculating the vehicle tilting angle by using a biaxial acceleration sensor rather than indirect reflection through a change rule of the lateral acceleration in vehicle tilting movement in the prior art, can acquire effective vehicle tilting state information directly and rapidly, provides effective technical support for subsequent tilting control and early warning, and prevents vehicle tilting accidents from happening.
Owner:ZHENGZHOU YUTONG BUS CO LTD

Multifunctional safe fuelling vehicle

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.
Owner:SHANGHAI HUAPENG EXPLOSION PROOF TECH

Demountable tanker truck and hydraulic system thereof

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.
Owner:SANY HEAVY IND CO LTD (CN)

Car rollover time measuring device and car rollover time calculation method

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.
Owner:SHANDONG JIAOTONG UNIV

Low-level small shear-type automobile elevator with anti-overturning function and using method of automobile elevator

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.
Owner:赛埃孚汽车保修设备(太仓)有限公司

Lifting balance monitoring control system for heavy-duty dump trucks and monitoring control method

The invention relates to the technical field of heavy-duty dump trucks, and in particular to a lifting balance monitoring control system for the heavy-duty dump trucks and a monitoring control method.The system comprises a PLC (Programmable Logic Controller) control correction system and a hydraulic system, wherein the PLC control correction system comprises a displayer and a PLC controller and also comprises a tilting angle sensor, a lifting angle sensor and a displacement sensor which are connected with an IO (Input Output) port of the PLC controller; the hydraulic system comprises a frontdirect-pushing hydraulic cylinder, a correction hydraulic cylinder, a hydraulic oil tank and a hydraulic pump; an air-controlled distribution valve, a medium-stop switching electromagnetic reversing valve, a descending switching electromagnetic reversing valve, a lifting control valve and an electromagnetic multi-way reversing valve are arranged on the pipelines for connecting the hydraulic oil tank with the front direct-pushing hydraulic cylinder and the correction hydraulic cylinder; and the PLC controller is connected with the air-controlled distribution valve, the medium-stop switching electromagnetic reversing valve, the descending switching electromagnetic reversing valve, the electromagnetic multi-way reversing valve and the lifting control valve to control the air-controlled distribution valve, the medium-stop switching electromagnetic reversing valve, the descending switching electromagnetic reversing valve, the electromagnetic multi-way reversing valve and the lifting controlvalve. The system has the beneficial effects that the tilting angle of a heavy-duty dump truck is always kept within an alarm angle range, thereby avoiding the occurrence of rollover accidents.
Owner:鞍钢汽车运输有限责任公司

Double-carriage self-discharging semitrailer

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.
Owner:ANHUI JIANGHUAI YANGTIAN AUTOMOBILE

Shopping cart conveying system

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.
Owner:沈利中

Ground penetrating radar auxiliary device for train track detection

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.
Owner:武汉驰驭科技有限公司

Side-tilting prewarning method and system for chemical spraying machine

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.
Owner:CHINA AGRI UNIV

Double continuously variable transmission steering mechanism

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.
Owner:LANS INTELLIGENT ROBOT CHANGSHA CO LTD

Rigidity-adjustable elastic hinging device of low-floor train and rigidity adjusting method of rigidity-adjustable elastic hinging device

ActiveCN105539489AMeet the requirements of small curvature radiusImprove running comfortRailway couplingsEngineeringSacroiliac joint
The invention discloses a rigidity-adjustable elastic hinging device of a low-floor train and a rigidity adjusting method of the rigidity-adjustable elastic hinging device. The elastic hinging device of the low-floor train comprises a center pin, a spherical hinge joint pair and a rigid hook. The center pin is integrally connected with the rigid hook. The elastic hinging device further comprises a middle plate, a front support, a rear support, a first rubber supporting body, a second rubber supporting body, a first rubber backstop, a second rubber backstop, a first transverse stop block and a second transverse stop block. The front support and the rear support are both arranged between the first rubber supporting body and the second rubber supporting body. Rubber in the first rubber supporting body and rubber in the second rubber supporting body are both transverse and pre-stretched in the direction away from the front support and the rear support. The spherical hinge joint pair and the front support are integrally connected. The inner diameter of the spherical hinge joint pair is matched with the outer diameter of the center pin. The center pin penetrates through the spherical hinge joint pair, so that the rigid hook and the front support are connected in a matched mode. By means of the rigidity-adjustable elastic hinging device, the requirement for a small-curvature radius of an urban track is met while the train operation comfort is improved, and the driving safety can be guaranteed.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH

Device for preventing rolling over of two-wheeled motorcycle

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.
Owner:杨伦

Automatic switch-over shifting device and operation method thereof

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.
Owner:CHERY AUTOMOBILE CO LTD

Inclined-hanging type hanging basket

The invention relates to an inclined-hanging type hanging basket and is the divisional application of a two-dimensional work hanging basket with the application number of 2014103589569. A left suspension mechanism and a right suspension mechanism are arranged on the left and right top points of the working surface of a building correspondingly. An isosceles triangle support is arranged on the top of a suspension platform. Guiding mechanisms are arranged at the top corner and two bottom corners of the support correspondingly. Facade distribution of steel wire ropes in the air is in the shape of a butterfly. During working, the suspension platform is obliquely hanged between the left suspension mechanism and the right suspension mechanism through the steel wire ropes. During operating, the action lengths of the left steel wire rope and the right steel wire rope are changed by operating a left elevator and a right elevator correspondingly; the suspension platform can be driven to operate in all directions on the working surface to arrive any required positions in the working scope. According to the hanging basket, the construction working surface of the suspension platform is widen by enlarging the intervals between hanging points of the suspension mechanisms, the working efficiency of the hanging basket is improved, the balance of the suspension platform is ensured through butterfly-shaped distribution of the steel wire ropes; an overload protection guiding mechanism at the top corner can prevent the steel wire ropes from overloading caused by oversized inclined angle; a frictional damping guiding mechanism at the left and right bottom corners can effectively damp inertia swinging of the suspension platform; and the stability and the reliability of the hanging basket construction are guaranteed.
Owner:温建

Temporary channel anti-skidding road surface for foundation pit excavation and construction method of temporary channel anti-skidding road surface

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.
Owner:CHINA CONSTR SIXTH ENG DIV CORP

Snow anti-skid track structure design for automobile

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.
Owner:YUNCHENG UNIVERISTY

Manual rapid construction railway transport armored vehicle unloading temporary platform

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.
Owner:FENGHUA NANFANG MACHINERY MANUFACTORY

Curve vehicle speed control method and curve vehicle speed control system

InactiveCN109808679AAvoid vehicle rollover accidentsGuaranteed corneringVehicle fittingsSpeed/accelaration controlSpeed control systemControl system
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.
Owner:ZHENGZHOU YUTONG BUS CO LTD

Communication chassis capable of being conveniently mounted on various foundations

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.
Owner:安徽清水岩生态科技有限公司

Anti-rollover active control method based on vehicle chassis integrated control technology

ActiveCN112230551ARollover Risk Prediction and ReductionAvoid rollover accidentsAdaptive controlRolloverVehicle dynamics
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.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Active supporting device for preventing rollover of rail transit vehicle caused by derailing

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.
Owner:CHINA RAILWAYS CORPORATION +2

Spraying chassis truck with vibration damping function

The invention belongs to the field of intelligent agricultural equipment, and particularly relates to a spraying chassis truck with a vibration damping function. The front half part of a truck body is connected with a frame through a vibration damping system, a power system is arranged on the upper rear half part of the truck body, and the left and right sides of the truck body are connected with a traveling system, wherein the vibration damping system is divided into two groups of front vibration damping systems and two groups of rear vibration damping systems; each group of vibration damping system comprises three sets of vibration damping units; the vibration damping system is hinged to the frame through upper vibration damping brackets, and is hinged to the truck body through lower vibration damping brackets; vibration dampers of the three sets of vibration damping units of each group of vibration damping system are vertically arranged at angles of 30 degrees, mounting planes where two sets of vibration damping units are parallel to each other, and a mounting plane where the other set of vibration damping unit is perpendicular to the mounting planes where the other two sets of vibration damping units are located. The chassis truck is provided with the vibration damping system, so that the stability of the truck body is obviously improved, overall vibration is reduced, and a rollover accident is avoided; the chassis truck has high trafficability under a narrow road condition, and is high in cross-country capacity and suitable for operation under the conditions of finite operation space, complicated road condition and severe environment.
Owner:CHINA AGRI UNIV

Device and method for co-production of liquefied natural gas and liquid nitrogen

The invention discloses a device and method for co-production of liquefied natural gas and liquid nitrogen. The method is characterized in that liquefied natural gas and liquid nitrogen are produced from natural gas containing nitrogen, low-temperature nitrogen-enriched gas flow obtained from the tower top of a denitrification tower is further purified in a nitrogen-methane fractionating tower, methane in the low-temperature nitrogen-enriched gas flow is recovered to prepare the LNG (Liquefied Natural Gas) product, and simultaneously purified nitrogen is prepared into a high-purified liquid nitrogen product. The device and method have the positive effects that on one hand, the quality of the LNG product is ensured, the tumbling accident of an LNG storage tank is avoided, and the source of raw materials of the LNG product is widened; and on the other hand, the low-temperature nitrogen-enriched gas flow is further purified, methane in the low-temperature nitrogen-enriched gas is recovered to prepare the LNG, and simultaneously purified nitrogen is prepared into the high-purified liquid nitrogen product, so that the better environment-friendly benefits and economic benefits are achieved, and the product yield is high.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Motor bus active rollover-preventing control system based on electromagnetic suspension adjustment

The invention provides a motor bus active rollover-preventing control system based on electromagnetic suspension adjustment and belongs to the technical field of motor bus active safety control. According to the control system, various sensors collect the accelerated speed signal of a motor bus, the turn angle signal of a steering wheel, the rollover position signal of a bus body, the bus speed signal and the heading angle speed signal, the current driving state of the motor bus is determined and whether the next state of the motor bus has the rollover tendency or not is predicted after signal processing, the height of the two sides of a bus frame is adjusted by controlling suspension displacement control solid-state relays, the motor bus is prevented from rolling over in the driving process, and the driving safety of the motor bus can be improved.
Owner:SHANDONG JIAOTONG UNIV
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