129results about How to "Comfortable driving" patented technology

The present invention relates to a vehicle speed control device for controlling a speed of a vehicle. The vehicle speed control device includes a current location error estimation section for extracting area attribute information from the map information, for producing a location error probability distribution, a target speed calculation section for receiving the target speed correction instruction, for accessing preset data that shows an acceleration or a gradient of an acceleration which allows a driver not to feel uncomfortable, and for computing target speed values at nodes over the distance in such a way that the target speed values create a continuous curve, and a speed control section for sensing a speed of a vehicle, and for controlling a driving torque of the vehicle so that the sensed speed traces the continuous curve composed of the target speed values.

A multifunctional striding type mower comprises a mower frame, a steering system, a braking system, a front suspension frame used for supporting front wheels, a rear axle used for supporting rear wheels and a seat supporting frame mounted on the mower frame, wherein the steering system and the braking system are mounted on the mower frame. A generator set is arranged on the mower frame below the seat supporting frame and electrically connected with a generator control panel. A mode changeover switch and a power output interface are arranged on the generator control panel. A travel driving motor is mounted on the rear axle used for supporting the rear wheels. An electric mowing cutter disc is arranged below the mower frame, is connected with a cutter disc lifting system which is arranged on the mower frame, and is hung below the mower frame. A mowing driving motor is mounted on the electric mowing cutter disc. A travel driving motor controller, a mowing driving motor controller and the generator set are all controlled by an electrical control system. The multifunctional striding type mower integrates multiple functions including power generation, mowing, carrying and traveling, and is low in cost.

The invention relates to an intelligent control method and system of an electric automobile. By means of the method, the automobile driving comfort and safety and the charging safety of a battery are improved in the driving process, including the accelerating or decelerating process, of the electric automobile. The system comprises a whole automobile controller and a wheel speed sensor group, an accelerator sensor group, a corner sensor group, a power battery controller, a driving motor controller, a braking controller, a power-assisted steering controller, an automobile light controller, a photoelectric sound warning unit and an automobile-mounted wireless communication unit which are connected with the whole automobile controller; the system further comprises an auxiliary battery used for providing a power supply for the whole automobile controller and the automobile light controller. By means of the intelligent control method and system of the electric automobile, the accelerating or brake-decelerating process of the electric automobile can be automatically and intelligently controlled by the electric automobile, the automobile speed in the steering process can be automatically interfered, comfortable driving and taking are achieved, and the driving safety is improved; the charging process of the power battery is automatically and intelligently controlled, so that the charging process is conducted safely, or the charging process is automatically cut off if necessary to protect the safety of the battery and the automobile.

The invention discloses a light intensity adjustment method, device and system for a front windshield, the front windshield and an automobile. The front windshield is divided into a plurality of regions, the light transmittance of each region is adjusted according to the intensity of light entering the human eyes through the region and a preset light intensity acceptance range, and therefore it can be ensured that the intensity of the light entering the human eyes through each region is a suitable light intensity so that a driver can drive under the comfortable light intensity, the dazzling strong light is avoided, and the partial darkness caused by strong light shielding is also avoided.

The invention discloses a multi-wheel amphibious special vehicle. The multi-wheel amphibious special vehicle comprises a frame assembly, an engine assembly, a transmission assembly, an integrated transmission case, a transmission shaft, a differential mechanism assembly, a reverse box assembly, a transmission semi-axle assembly, a suspension system, a steering system, a wheel assembly, a propellerassembly, a buoy assembly, a sliding base plate, a clutch transmission assembly and a duct air propeller. The engine assembly and the transmission assembly are connected together through fastening bolts, and an engine and all parts are fixedly mounted on the frame assembly in an orderly mode. The vehicle has 6X6 and 4X4 series, fully integrates the multiple advantages of all-terrain vehicles, kayaking and hovercrafts, adopts a plurality of original world-leading technologies, does not need sealing and heat dissipation, cannot sink, has excellent amphibious mobility performance, can truly achieve all-water all-terrain operation, can be widely used in many fields such as water surface emergency rescue, forest fire control and disaster rescues and field amphibious movement, can well meet various actual needs of people.

The invention relates a vehicle suspension which comprises an oil cylinder, energy accumulators and damping adjustment units, wherein a rodless cavity of the oil cylinder and a rod cavity of the oil cylinder are respectively connected with one energy accumulator; one damping adjustment unit is arranged between the rodless cavity of the oil cylinder and the corresponding energy accumulator, and the other one damping adjustment unit is arranged between the rod cavity of the oil cylinder and the corresponding energy accumulator. The vehicle suspension has the beneficial effects that the two energy accumulator and corresponding valve banks are arranged, so that rigid and continuous adjustment is realized, the side-tipping resistance and side-turnover resistance of a vehicle are improved, and the comfort, safety and control stability of the vehicle are greatly improved; the capacity of a general gas chamber of the energy accumulator communicated with the rodless cavity of the oil cylinder is increased, so that the rigidity of the suspension is reduced, the suspension is relatively soft, and the vehicle is relatively stable and comfortable in running.

The invention discloses a precision full floating type drum brake for improving the relationship between a braking bottom plate and primary and secondary braking shoes. In the invention, the connecting holes of the primary and secondary shoes form an oval with certain clearance between upper and lower two ends, the circle center of a supporting pin matched with the braking bottom plate in a plug-in manner is a referential central point, the connecting hole of the primary braking shoe swings inward and forms an included angle of 16 to 45 DEG with a central line, and the connecting hole of the secondary braking shoe swings outward and forms an included angle of 46 to 82 DEG with the central line. The invention provides a precision floating quantum drum brake. The friction between a friction plate and a braking drum is uniform, the service lives of the friction plate and the brake are prolonged, the braking is more reliable, the braking efficiency is high, and the driving safety and comfortableness are improved.

The invention discloses a clutch/brake integrated assembly and an automatic gear switching method thereof. The clutch/brake integrated assembly is mainly composed of an integrated clutch drum, a clutch hub, an input shaft, a braking friction assembly, a clutch friction assembly, an oil inflow shaft sleeve, a hydraulic cylinder, a piston, a return spring, a spring seat, an R-shaped packing ring sealing ring, an O-shaped sealing ring and the like. The integrated clutch drum is fixedly connected with the hydraulic cylinder together. The hydraulic cylinder is supported on the oil inflow shaft sleeve through two needle bearings. The piston, the return spring and the spring seat are installed in the hydraulic cylinder. The clutch friction assembly is connected to the right end of the clutch drum and the input shaft. The braking friction assembly is connected to the left end of the clutch drum and the oil inflow shaft sleeve. The R-shaped packing ring sealing ring is installed in an annular groove of the oil inflow shaft sleeve. Two friction pairs are controlled by a hydraulic system to be engaged and disengaged, the clutch and braking functions can be achieved, the power gear shifting function can be achieved through the proper cooperation of the two friction pairs, and the two wet multi-sheet friction pairs are axially integrated into a whole. The clutch/brake integrated assembly has the beneficial effects of being compact in structure, small in size, small in part number and the like.

The invention relates to a lower swinging arm. The lower swinging arm comprises a fork-arm lower swinging arm body, a ball pin is arranged on one side of the lower swinging arm body, a damper installing base is arranged on the lower swinging arm body, a first lining is arranged at the front end of the other side of the lower swinging arm body, and a second lining is arranged at the back end of the other side of the lower swinging arm body; the installing direction of the first lining and the installing direction of the second lining are different on the lower swinging arm body. According to the lower swinging arm, the installing position of the first lining and the installing position of the second lining on the lower swinging arm body are set; in other words, the positions of first discharging grooves in the first lining are same as the positions of second limiting blocks of the second lining, and the positions of first limiting blocks of the first lining are same as the positions of second discharging grooves of the second lining; according to the structure, the rigidity of the first lining is large in the left and right direction of a vehicle, and is small in the forward and backward direction and the torsion direction of the vehicle, and stable steering and comfortable driving can be achieved accordingly.

The invention discloses an automobile handrail which comprises a supporting base. A fixing bolt is arranged on the outer wall of a supporting platform, a sliding platform is arranged at the top end of the supporting platform and slidably connected with the supporting platform, a fixing bolt sliding groove is formed in the outer wall of the sliding platform and slidably connected with the fixing bolt, a box is arranged at the top end of the sliding platform, a fixing seat is arranged at the top end of the box, a handrail base is arranged at the top end of a storage box, and a supporting handrail is arranged at the top end of the handrail base. Through slidable connection between a sliding rod and the sliding groove, the position of the supporting platform on the supporting base can be adjusted; through slidable connection between the supporting platform and the sliding platform, the fixing bolt is loosened, and the sliding platform is enabled to slide up and down in the supporting platform; the fixing bolt slides in the fixing bolt sliding groove, and after being adjusted to a proper height, the fixing bolt is tightened to fix the sliding platform into the supporting platform.

The invention belongs to the technical field of bridges in the municipal engineering and discloses concrete applicable to production of bridge expansion joints in municipal engineering. The concrete is prepared from raw materials in parts by weight as follows: 320-360 parts of cement, 40-80 parts of fly ash, 100-300 parts of modified rubber particles, 10-50 parts of hollow microspheres, 0.01-0.1 parts of a tackifier, 0.01-0.05 parts of polyethylene glycol distearate, 1-5 parts of complex fiber, 1-4 parts of a polycarboxylate superplasticizer, 300-500 parts of sand, 800-1,200 parts of pebble and 150-180 parts of water. The concrete applicable to bridge expansion joints in municipal engineering has certain elasticity and roughness and can greatly reduce effects of impact force, heat expansion and cold contraction and other factors on bridges during operation of the bridges.

The invention discloses a car driver type recognition method which comprises the following steps: 1, signal acquisition and processing: through a CAN equipment driving module and a CAN information processing module, a TCU processes data frames between the TCU and an ECU as well as those between the TCU and an ABS, so as to acquire real-time engine speed, accelerator, footbrake and car speed signals; 2, through an accelerator differential signal calculation module, the TCU averages the accelerator signals, so as to acquire an accelerator average signal; 3, through a drive type recognition fuzzycontrol system module, the TCU calculates a driver factor according to the real-time engine speed, accelerator, footbrake, key switch, handle position and car speed signals; 4, driver factor normalization processing: through a driver factor normalization module, the TCU processes the driver factor through normalization; and 5, through a driver factor filtration module, the TCU processes the normalized driver factor through filtration. By adoption of the car driver type recognition method disclosed by the invention, a driver type can be automatically recognized, and then the optimal gear for car driving can be adjusted.

The invention provides a vehicle rear tail door strengthening structure which is used for improving overall rigidity of the rear tail door through connection of an inner strengthening component and an inner plate and an outer plate, vibration of a license plate can be suppressed when a rear tail door is closed, and therefore quality is improved; cavity resonance and swing sound can be inhibited. The rear tail door of the vehicle rear tail door strengthening structure is installed through door hinges, the center of the inner plate is provided with a via hole, the outer plate is provided with a plane part which is used for license plate arrangement, and the upper and lower positions of the plane part are provided with an installation part and a support part. Between the inner plate and the outer plate, an inner strengthening structure used for strengthening plate parts corresponding to a license plate arrangement part is arranged. A first connection part between the outer plate and the strengthening plate is arranged in a part, surround by the installation part and the supporting part, of the plane part. A second connecting part between the inner plate and the strengthening plate is placed on the upper edge part of the via hole and is arranged between direction lines of the first connecting part and the door hinges.

The present invention discloses one kind of side collision guard set for automobile chair and its usage. The side collision guard set has one installation board for installing onto the back of automobile chair, one guard board connected via a hinge structure to the installation board and stretched forwards from the middle part of the back. The side collision guard set with guard board with soft material in the surface can protect the driver and the passengers against road accident and has simple operation, high safety performance and low cost.

The invention discloses a grout injection type waterproof high-viscoelasticity modified asphalt pavement mixture and a preparation method thereof. The grout injection type waterproof high-viscoelasticity modified asphalt pavement mixture comprises a matrix asphalt mixture and a grouting material, wherein the matrix asphalt mixture is filled with the grouting material. The matrix asphalt mixture is a skeleton-gap type high-viscoelasticity modified asphalt mixture which is compacted to have the gap rate of 18%-22%, and the skeleton-gap type high-viscoelasticity modified asphalt mixture is prepared from, by weight, 100 parts of aggregate, 4.2-5.2 parts of high-viscoelasticity modified asphalt and 3.7-4.7 parts of filler; the grouting material is prepared from, by weight, 100 parts of grout injection material and 34-36 parts of water, and the grout injection material is a high-elasticity-modulus nanometer grouting material.

The invention is suitable for the field of motor vehicles, and provides a multifunctional vehicle. The multifunctional vehicle comprises a vehicle frame, a steering system, a braking system, a transmission system, a suspension bracket, a power system, an electrical system, vehicle body accessories, vehicle-mounted equipment, front wheels and rear wheels, wherein the vehicle frame is an assembling base of the whole multifunctional vehicle and consists of a front vehicle frame and a rear vehicle frame; the front vehicle frame is formed by bending processing and welding seamless steel pipes and sectional materials, and comprises a horizontally arranged chassis and bearing frames which are arranged on the chassis; the rear vehicle frame is used for supporting and mounting the vehicle-mounted equipment, and comprises a concave frame; the concave frame is arranged by extending horizontally backwards along the rear ends of the bearing frames on two sides of the front vehicle frame, is provided with an opening at one side and a rear lower fixing bracket for placing the vehicle-mounted equipment at the lower part, can form an object storage frame for placing the vehicle-mounted equipment, and is supported by at least two oblique support rods; and a lower back fixing frame for placing the vehicle-mounted equipment is arranged below the concave frame. The multifunctional vehicle has all the technical characteristics of a modern fire rescue vehicle, is simple in structure, complete in function, particularly reasonable in distribution, and has multiple comprehensive functions such as emergency maneuverability, rescue and the like.

An electric motor includes a chassis having a front tube to rotatably support a handle, two arms each having one end pivotally attached to the chassis to support two front wheels on the outer ends. A cushioning device may be used to cushion the front wheels and the arms relative to the chassis. A carrier is pivotally attached to the rear portion of the chassis, and includes a spindle to support two rear wheels. An electric motor device is attached to the carrier to drive the rear wheels. Another cushioning device may be used to cushion the rear wheels and the carrier relative to the chassis.

The invention discloses a precision full-floating drum brake and aims to improve the relation between a brake baseplate and a brake shoe. An improved clamp connection part of the brake baseplate consists of an upper layer splint and a lower layer splint between which a gap is formed, wherein corresponding positions of the upper layer splint and the lower layer splint of the clamp connection part are provided with a pair of elliptical positioning holes with certain gaps between upper and lower ends; taking the circle center of the brake soleplate as a reference central point, the positioning hole on a left side deflects inwards and forms an included angle of between 16 and 45 degrees with the central point; and the positioning hole on a right side deflects outwards and forms an included angle of between 46 and 83 degrees with the central point. The invention provides the drum brake with precise floating quantity. The brake has the advantages of making friction between a friction plate and the brake drum uniform, prolonging the service life of the friction plate and the brake, ensuring more reliable braking, high braking efficiency, and more comfortable driving, and enhancing driving safety.

The invention relates to the technical field of automobile parts, in particular to an automobile suspension with an adjustable travel range. The automobile suspension comprises a bottom plate, whereina differential is fixedly mounted on the bottom plate through bolts; an input end of the differential is connected to an output end of an automobile engine through a main shaft; an output end of thedifferential drives a differential output shaft; and the bottom plate is fixedly equipped with adjustment frames on the left side and the right side of the differential. The automobile suspension withthe adjustable travel range has the beneficial effects of adjusting the height of the bottom plate through lifting push rods so as to adjust a running state of an automobile according to states of road surfaces, and ensuring that the automobile has good cross-country capacity in obstacle road sections and has good road holding capacity in smooth road sections so as to improve the running speed. In addition, the automobile suspension adopts the lifting push rods so as to achieve a large range for height adjustment of the bottom plate and avoid the tilt of wheels during adjustment. The adjustment is more stable, and the running is more comfortable.

The invention discloses a fuzzy-control-theory-based accelerator-quickly-released upshift-delay control method for an automatic gearbox vehicle. The accelerator-quickly-released upshift-delay controlmethod comprises the steps of gathering signals, calculating the accelerator slope, filtering the accelerator slope, calculating the accelerator-quickly-released upshift-delay slope, judging the accelerator-quickly-released upshift-delay and the like. According to the fuzzy-control-theory-based accelerator-quickly-released upshift-delay control method for the automatic gearbox vehicle, the accelerator-quickly-released upshift-delay slope is calculated utilizing the fuzzy control theory, whether the upshift is forbidden or not is judged according to the upshift-delay slope, the intention of drivers can be reflected more accurately, and the driving is made to be more comfortable.