115results about How to "Reduced chance of rollover" patented technology

A stent graft (5) comprises a tubular graft member (4), and a plurality of sloping stent members (3) substantially coaxial with and coupled to the tubular graft member (4). Each of the sloping stent members (3) comprises multiple uneven apexes characterizing a round tubular configuration with a distal end and a proximal end disposed about a longitudinal axis. The distal apexes of the sloping stent member (3) are arranged in substantially the same plane substantially horizontal to the longitudinal axis of the sloping stent member and the proximal apexes are arranged in a sloping plane oblique to the longitudinal axis.

The invention discloses a system and a method for anti-rollover control for a passenger vehicle. The system comprises two distance measuring sensors which are mounted on two sides of the bottom of the passenger vehicle body symmetrically and are used for measuring the distances H1 and H2 between of either of the two sides of the passenger vehicle body and the road during steering process, an anti-rollover controller which is connected with the two distance measuring sensors and a brake device of the passenger vehicle and is used for calculating the rollover angle m of the passenger vehicle through calculating the ratio of the absolute value of the difference between H1 and H2 and the distance L between the two distance measuring sensors, and is used for sending rollover control signal to the brake device of the passenger vehicle when the rollover angle m is compared with the preset rollover value M and m is higher than M, and the brake device of the passenger vehicle, which is used for performing brake according to the anti-rollover control signal and reducing the steering speed of the passenger vehicle. According to the invention, the anti-rollover control of the passenger vehicle is performed according to the rollover angle of the passenger vehicle; active brake is performed for the passenger vehicle under condition that the passenger vehicle may roll over, so that the probability of rollover of the passenger vehicle is reduced, and the steering safety of the passenger vehicle is increased.

The invention belongs to the technical field of the forklift stability control, and particularly relates to a forklift transverse stability control method and an electronic control system thereof. By means of the method, forklift collapsing postures can be judged and classified, and the basis can be provided for forklift transverse stability classification control; by means of the method, through the collapsing classification transverse stability control strategy, different transverse stability control strategies are adopted according to different forklift collapsing grades, the forklift collapsing posture adjustment and forklift collapsing probability reduction are achieved, and the transverse stability and active safety of a forklift are improved. The method and the electronic control system are suitable for three-point supporting type forklifts of various types.

The invention discloses an anti-collision guardrail with a buffering function, and belongs to the field of guardrails. The device comprises a corrugated guardrail and further comprises a one-time buffering mechanism. The one-time buffering mechanism comprises a plurality of rollers, guide blocks arranged at the upper ends of the rollers and in one-to-one correspondence with the rollers, upper support plates arranged at the lower ends of the rollers and in one-to-one correspondence with the rollers and a plurality of guide wheels rotationally arranged on the corrugated guardrail. The rollers can rotate relative to the guide blocks and the upper support plates. The upper support plates are slidably arranged on a mounting foundation. Guide grooves are formed in the guide blocks. Guide wheelsare located in the guide grooves. Every two adjacent guide blocks are connected through a reset spring. According to the anti-collision guardrail with the buffering function, the one-time buffering mechanism enables a vehicle to generate a certain guiding effect under the driving of the rotation of the rollers during impact, so that the possibility of rollover is reduced, deformation and damage caused by impact force on the rollers can be reduced, meanwhile, the impact force of the vehicle can be absorbed by the energy consumption, and the damage degree of the vehicle is reduced.

The present invention relates to safety wheel technology widely suitable for automobile, motorcycle, airplane, etc. The safety wheel consists of tyre and hub and features its combined extending hub support inside tyre and set on a hub connecting part, and outer hub and inner hub connected together via the hub connecting part. The present invention has the advantages of the support of the hub connecting part under lower running of the tyre and during bursting tyre to prevent tipple, and elimination of spare tyre to reduce vehicle weight.

The invention relates to the technology of water tankers, and discloses a gushing-preventing water tanker with the heating function. The gushing-preventing water tanker with the heating function comprises a chassis. The chassis is provided with a water tank cabin. The gushing-preventing water tanker with the heating function is characterized in that a longitudinal swash plate dividing the water tank cabin into the upper layer and the lower layer, and a transverse swash plate dividing the water tank cabin into the front portion and the back portion are arranged inside the water tank cabin; the longitudinal swash plate is provided with a gushing-preventing float valve; the water tank cabin is connected with an equipment cabin, and an engine is arranged inside the equipment cabin and connected with a water pump; the water pump is provided with a water pump water inlet pipe and a water pump water outlet pipe, and the water pump water outlet pipe is provided with a first control valve; the two ends of the first control valve are connected with a heating water inlet pipe and a heating water outlet pipe respectively, and the heating water inlet pipe and the heating water outlet pipe are connected with a fuel heater. The gushing-preventing water tanker with the heating function can be used for heating and has the gushing-preventing and side-tipping-preventing functions.

The invention relates to a track-type forced landing platform, which has a structure comprising an airplane landing bed, a forced landing platform rack and a straight track. With a straight track mode, the track-type forced landing platform can meet the requirements for the straight high-speed sliding motion of an airplane forced to land, reduces the impulse force generated when the airplane force to land lands by using the cushioning action of the airplane landing bed and improves the safe forced landing rate of the airplane.

The invention discloses a path tracking method of a semi-trailer train based on model predictive control. The method comprises the following steps of 1, establishing a vehicle road relationship model;2, establishing a semi-trailer kinematic model and a semi-trailer train three-degree-of-freedom kinetic model; 3, designing a semi-trailer train path tracking controller by adopting a model prediction method; and 4, solving a constraint optimization problem and executing the problem. The semi-trailer train path tracking controller is established, and a running state of the semitrailer can be predicted; compared with manual driving, by using the method of the invention, a problem that a driver responds slowly to the running state of the semitrailer due to a hinged structure of a tractor and the semitrailer is solved, a response speed is higher, and the safety of the semi-trailer train is improved; and according to a control target of the method, the control target with small lateral displacement deviation and a small control quantity is added so that an overlarge lateral accelerated speed of the semitrailer can be avoided to a certain extent, and a possibility of rollover of the semitrailer is reduced.

The invention discloses a bent cap supporting safety system. The device comprises a steel bar (1), supporting platform (2), i-shaped steel (3), a support adjusting device (4), logic controller (5), wherein the steel bar (1) comprises a front half part (11) and a rear half part (12); the rear half part (12) is pre-buried in the side surface of the pier and penetrates through the axis of the pier; the supporting platform (2) is tightly attached to the side surface of a pier, the front half portion (11) is exposed out of the side surface of the supporting platform (2), the supporting adjusting device (4) is arranged on the upper surface of the supporting platform (2), the I-shaped steel (3) is arranged on the upper surface of the supporting adjusting device (4), and the logic controller (5) is electrically connected with the supporting adjusting device (4). A supporting adjusting system is arranged, automatic synchronous adjustment is achieved, and high-altitude operation is reduced; thelongitudinal gradient is convenient to adjust by adopting the adjusting rod; after the cover plate template is installed, data collection is carried out in real time, and an alarm is given at the first time when a settlement problem occurs.

The invention relates to the technical field of dump trucks, and provides a compartment anti-interference monitoring system and method and a dump truck. The compartment anti-interference monitoring system comprises a first sensor, a second sensor, a microprocessor and a display. The compartment anti-interference monitoring method comprises the following steps of: 1, collecting first data of the tail end of a compartment bottom beam by the first sensor, and collecting second data of the front end of the compartment by the second sensor; 2, receiving and comparing the first data and the second data by the microprocessor, and identifying and filtering invalid interference data; and 3, displaying the actual variable of the first data and the actual variable of the second data filtered by the microprocessor by the display. The dump truck comprises the compartment, the compartment bottom beam, a cab and the compartment anti-interference monitoring system. According to the embodiment of the invention, the compartment unloading and lifting process is accurately monitored, the rollover probability of the dump truck is reduced, and the safety of the dump truck during cargo unloading is improved.

The invention relates to the technical field of pavement construction, in particular to an asphalt concrete pavement construction method which comprises the following steps: S1, excavating a groove; S2, laying a base layer; S3, laying a cushion layer; S4, backfilling soil with the thickness of 3-5 mm and compacting the soil to form a transition layer; S5, paving a first asphalt surface layer; S6,paving a second asphalt surface layer; S7, pouring a concrete surface layer; forming the concrete surface layer by pouring anti-freezing concrete slurry; wherein the anti-freezing concrete slurry comprises the following components in parts by mass: 100 parts of Portland cement; 200-250 parts of talcum powder; 300-350 parts of powder filler; 10-12 parts of polyphenyl methyl siloxane; 3-5 parts ofbenzophenone dimethyl ketal; and 90-110 parts of water. The a invention has the effects that the anti-freezing capacity of the concrete surface layer is high, a pavement is not prone to damage due tofreezing, the possibility of rollover of vehicles running at high speed due to pavement cracking is reduced, the pavement is safe and reliable, and applicability of the pavement construction method iswide.

A hydraulic lifting device for driving wheels of a walking tractor comprises a transmission box housing and two drive semi-shafts; the two side surfaces of the transmission box housing are respectively and fixedly provided with a hydraulic cylinder; a piston rod of each hydraulic cylinder is movably connected with an output shaft parallel with the drive semi-shafts; a transition shaft is arranged between each output shaft and the drive semi-shaft arranged at the same side; an upper supporting plate is arranged between the drive semi-shaft and the transition shaft at the same side; besides, the drive semi-shaft and the transition shaft are in chain transmission at the same side; a lower supporting plate is arranged between the transition shaft and the output shaft arranged at the same side; besides, the transition shaft and the output shaft arranged at the same side are in chain transmission; the two driving wheels of the tractor are respectively mounted on the two output shafts; when the invention is used for adjusting the heights of the two wheels, the front position and the back position of the left driving wheel and the right driving wheel can be maintained to be changeless, thus leading the positions of the front gravity center and the back gravity center of a machine body to be maintained to be changeless, thereby ensuring the balance of the whole machine body. The device of the invention adopts sprocket drive, which has the advantages of high adjusting height relative to gear transmission and compact structure.

The invention discloses a downhole operation transportation device with a communication function and a using method thereof. The downhole operation transportation device comprises a control cabin, a first top cabin is installed at the top end of the control cabin, a glass window is installed in the middle cabin wall of the control cabin, a cabin door is installed in the lower side of the glass window, a damping stopping device is installed on the right side of the bottom of the control cabin, a control box is installed on the bottom wall of the control cabin, an engine cabin is installed on the left side of the control cabin, a second top cabin is installed on the top of the engine cabin, a signal receiving and sending device is installed in the interior of the second top cabin, a gas density sensor is installed on the inner side of the top wall of the second top cabin, a control device is installed in the interior of the engine cabin, base boxes are installed at the bottoms of the engine cabin and the control cabin, wire pipes are installed in the base boxes and cables are installed in the wire pipes. The device and the using method thereof can solve the problem of poor signal ina mining area and make working staffs keep fluent communication with a ground control room, and improve the working efficiency and safety of the mining area.

The invention discloses an anti-tipping type electric forklift convenient to operate. The anti-tipping type electric forklift convenient to operate comprises a forklift body, and a moving mechanism isarranged inside the forklift body. A balance weight mechanism is arranged in the moving mechanism. The moving mechanism comprises a steering shaft and a supporting rotating shaft. One end of the steering shaft penetrates through the forklift body and further extends out of the forklift body. The invention relates to the technical field of forklifts. According to the anti-tipping type electric forklift convenient to operate, the moving mechanism is arranged, the steering shaft is used for driving a first gear to rotate, the supporting rotating shaft, a second gear, a support plate, a transmission rack, a push rod, a groove and a protruding block are further matched, in the process that goods are continuously increased, the gravity center of the forklift is continuously moved, through the operation, reversing stability can be achieved, adjustment can be made according to the weights of the goods, the forklift is safer in the running process, the possibility of rollover is greatly reduced, and the safety of workers is guaranteed.

The invention discloses a restaurant food delivery robot. The restaurant food delivery robot comprises a guide rail and a conveying robot. The guide rail comprises linear guide rail bodies, steering discs and unloading combs. The linear guide rail bodies are laid on the transportation ground, and the steering discs are arranged between the linear guide rails. Each linear guide rail body is composed of a strip-shaped bottom plate and two parallel strip-shaped guide rails arranged on the strip-shaped bottom plate. Each steering disc is composed of a round bottom plate and two arc guide rails arranged on the round bottom plate in a concentric circle manner. The steering discs and the conveying robot cooperate to carry out crossing steering, and transportation between different linear guide rail bodies is achieved. Unloading frames are arranged on the linear guide rail bodies, and the unloading combs are mounted on the unloading frames. The restaurant food delivery robot is simple and effective in structure, the robot does not need to consider the steering problem, and the conveying time is effectively shortened; and the rollover rate caused by the differential speeds of wheels is reduced, high practicality is achieved, and the restaurant food delivery robot can adapt to different application occasions.

A rear suspension fork device for a motile multifunctional vehicle (SUV) is achieved by the following proposal: the upper side of the lower swing-arm of the present vehicle five-link suspension fork and the lower side of the vehicle frame longitudinal beam are respectively provided with a spring seat; the upper and the lower ends of the spring are respectively connected to the spring seat. The rear suspension fork device has simple and reasonable structure as well as easy processing, and can effectively lower the centroid height, increase the spring distance, and improve the operation stability and the drive security; the rear suspension fork device can be used by matching with various SUV vehicles so that the industrialized production can be achieved, and the rear suspension fork device can be used as the renewal product of rear suspension fork of existing SUV vehicles.

The invention provides a steering knuckle assembly. The steering assembly comprises a steering knuckle body, an upper fork arm connecting body, a lower fork arm connecting body, a brake caliper firstconnecting body and a brake caliper second connecting body, wherein a first end of the upper fork arm connecting body is arranged on the steering knuckle body, and a vertical connecting hole A is formed in a second end of the upper fork arm connecting body; a first end of the lower fork arm connecting body is connected to the steering knuckle body, and a vertical connecting hole B is formed in thesecond end of the lower fork arm connecting body; and a front inclination angle gamma formed by a connecting line between the center of the vertical connecting hole A and the center of the vertical connecting hole B and a plumb line of an automobile is 5 degrees - 13 degrees, and a contact point between an extension line of a connection line and the ground is 40 mm-50 mm away from a ground supporting distance d of a tire contact center, wherein the connection line is between the center of the vertical connecting hole A and the center of the vertical connecting hole B. The steering knuckle assembly IS conductive to promote the stability and operability of a automobile steering system and the safety of drivers and passengers.

The invention relates to a car rollover-prevention system and a control method. The car rollover-prevention system comprises a car frame, a first suspension and a second suspension; the first suspension and the second suspension are each connected with the car frame through a damping spring; the first suspension and the second suspension are in rigid connection with a first wheel and a second wheel respectively. The car rollover-prevention system further comprises a first linear motor connected between the car frame and the first suspension and a second linear motor connected between the car frame and the second suspension; a first sensor and a second sensor are each arranged below the car frame; a third sensor is arranged below the car frame; a first controller is used for receiving distance signals transmitted by the first sensor and transmitting moving signals to the first linear motor; a second controller is used for receiving distance signals transmitted by the second sensor and transmitting moving signals to the second linear motor; a third controller is used for receiving an inclined angle value transmitted by the third sensor and transmitting moving signals to the first linear motor and the second linear motor.

The invention discloses an indoor child tent with high safety. The indoor child tent comprises a lower wall frame, wherein the lower wall frame comprises a splicing frame and an elastic cushion pavedon the inner wall of the splicing frame; a ceiling is detachably mounted above the splicing frame; four support components are arranged on the side wall of the splicing frame in diagonal line distribution; each of the support components comprises a telescopic rod and a fixed seat movably arranged together with the telescopic rod; the telescopic rod is hinged to the splicing frame; a buffer springis arranged in the telescopic rod; the upper surface of the fixed seat is hinged to the telescopic rod through a hinge joint sleeve; and a sucking disc is arranged in the center of the bottom surfaceof the fixed seat. The indoor child tent is reasonable in structural design, provides excellent comfort for a child, realizes stable installation of the child tent at the same time, can provide effective support for the child, lowers the possibility that the child falls down to have side tumbling and is high in safety, and strong in practicality.

The invention relates to an indoor movement assisting machine. The indoor movement assisting machine comprises a lower housing, a rotating supporting frame arranged on the left side in the lower housing, a balance wheel arranged at the lower part of the lower housing, an upper housing fixed to the upper end of the lower housing, a lifting track mounted on the left side in the upper housing and a support arm arranged on the lifting track, wherein a regulating block is arranged at the bottom of the left side wall of the lower housing, and is located on the outer side of the support arm. The indoor movement assisting machine disclosed by the invention can simulate a stable force application mode when a person takes care of another person, and is used for significantly assisting in basic movement capacities including standing, sitting, strolling and the like, of an aged; the purpose of partly replacing the auxiliary caring of outsiders is realized; and the indoor movement assisting machineis especially suitable for being used in an indoor smooth and clean ground environment.

The invention discloses a baby stroller with high buffering protection performance and a working method thereof, and relates to the field of baby strollers, the baby stroller comprises a baby crib, a hand push rod, a sunshade rod, a sunshade curtain, a damping box, a mounting frame, a buffering front wheel assembly, a damping rear wheel assembly, a storage box and a protection assembly; according to the baby stroller, most of vibration generated in the running process of the baby stroller is counteracted through a third buffer spring and a fourth buffer spring, the stability of the whole stroller body of the baby stroller is guaranteed, the vibration generated in the running process of the baby stroller can be further weakened through a damping assembly, and therefore the effects of high buffering and strong shock resistance are achieved; according to the baby stroller, the stability of the baby crib is guaranteed, the angle of the turnover plate is adjusted through the protection assembly, so that the supporting seat can provide support when the baby stroller tends to turn over on one side, the probability of turning over on one side of the baby stroller is further reduced, injuries caused by falling over of a baby are avoided, and the baby stroller is high in safety and good in protection performance.

The invention relates to the technical field of signal lamps, and discloses a smart city signal lamp capable of automatically reinforcing the bottom and preventing shaking based on wind power, the smart city signal lamp comprises a lamp post and a fan, the fan is arranged at the top of the lamp post, buffer mechanisms are arranged on the left and right sides of the lamp post, a base is arranged at the bottom of the lamp post, and a resistance plate is movably mounted at the bottom of the base. According to the smart city signal lamp capable of automatically reinforcing the bottom and preventing shaking based on wind power, friction force between a resistance plate and the ground is increased when the resistance plate makes contact with the ground by arranging a friction block and a protrusion and utilizing the bottom surface of the resistance plate and the outer surface of the friction block, and meanwhile, along with rotation of a fan, the friction block continuously shrinks in a shrinkage rod; the friction force between the base and the ground is increased due to the fact that the protrusions are made of alloy materials and the tips are arranged at the bottoms of the protrusions, the friction force between the base and the ground is increased through multiple combinations, and the possibility of rollover of the device is reduced.