140results about How to "Good driving comfort" patented technology

The invention relates to a concrete pavement material for heavy traffic roads and a preparation method thereof. The material is composed of a component A, a component B and a component C in a mass ratio of 1:(0.2-0.6):(4-8). The component A comprises the following components in parts by mass: 40-80 parts of epoxy resin, 0-20 parts of epoxy reactive diluent, 10-50 parts of elastic modifier, 0.2 part of defoaming agent and 0.2 part of dispersing agent. The component B comprises the following components in parts by mass: 100 parts of curing agent, 0-10 parts of curing accelerator and 1 part of coupling agent. The component C comprises the following components in parts by volume: 100 parts of fine stone, 30-300 parts of fine sand, 130-800 parts of waste rubber particle, 50-100 parts of waste rubber powder and 10-20 parts of crystal whisker. Compared with the prior art, the concrete pavement material for heavy traffic roads has the advantages of high strength, favorable durability, favorable roadability, energy saving, environment friendliness and the like, and is convenient for construction.

The invention discloses a cement concrete pavement structure provided with continuous steel bars. The pavement structure comprises a base layer. Roller compacted concrete is adopted in the base layer. A broken stone hardcore is laid below the base layer. Cement concrete surface layers are laid on the base layer. The cement concrete surface layers include the upper surface layer and the lower surface layer. Rubber cement concrete is adopted in the upper surface layer. A transverse induction kerf is arranged on the edge of the upper surface layer on the left side of the driving direction. The continuous transverse steel bars, the continuous longitudinal steel bars and a slidable support are arranged at the portion, within the range of a carriageway and one half of the width (L) of a hardened verge, of the lower surface layer. Plain concrete is formed at the portion, within the other half of the width (L) of the hardened verge, of the lower surface layer. A longitudinal joint is arranged at the portion one half of the width of the hardened verge. A bituminous concrete anti-scouring layer is arranged between the base layer and the surface layers. The pavement structure can solve the problems of existing cement concrete pavements and continuous reinforced concrete pavement structures and can be widely applied to high-grade highways, tunnel pavements and the like on the heavy-duty traffic condition.

The invention discloses a steel deck composite pavement structure laying grid type shear connectors. The steel deck composite pavement structure comprises a steel deck plate, a lightweight concrete lower surface layer laid on the steel deck plate and an asphalt concrete upper surface layer laid on the lightweight concrete lower surface layer, wherein a waterproof bonding layer is arranged between the lightweight concrete lower surface layer and the asphalt concrete upper surface layer; the grid type shear connectors are laid in the lightweight concrete lower surface layer, the grid type shear connectors comprise multiple longitudinal connectors which are laid in the longitudinal direction of a bridge and multiple transverse connectors which are laid in the transverse direction of the bridge, and the multiple longitudinal connectors are connected into a whole through the multiple transverse connectors; the longitudinal connectors are of long strip-shaped steel plates fixed on the steel desk plate and the transverse connectors are of steel bar bundles; and a plurality of holes are formed at the middle parts of the long strip-shaped steel plates from the front to the back. The steel deck composite pavement structure disclosed by the invention has the advantages of simple structure, reasonable design, simplicity and convenience in construction and good stress performance, and can solve the problems that an asphalt surface layer of the existing steel desk pavement structure is prone to rutting, slippage delamination, upheaval and the like.

The invention discloses a vehicle alarm system which comprises a DSP control chip, a detection unit and an alarm unit. The detection unit judges whether a moving target exists in a preset scope at back of a vehicle or not according to a detection command of the DSP control chip, the moving target is detected when the detection unit judges that the moving target exists in the preset scope, and a first detection signal obtained by detection is supplied to the DSP control chip through the detection unit; the DSP control chip judges whether a door opening early alarm is required or not according to the first detection signal provided by the detection unit, and a door opening alarming signal is supplied to the alarm unit through the DSP control chip if the DSP control chip judges that the door opening early alarm is required; the alarm unit gives an alarming prompt to a user in the vehicle according to the door opening alarming signal provided by the DSP control chip. According to the vehicle alarm system, vehicle accidents caused by vehicle door opening ate avoided, and the use safety performance of the vehicle is improved. In addition, a passenger is not required to watch the state at back of the vehicle before getting off the vehicle, and better riding comforts are provided for the passenger.

The invention is applicable to various vehicles, and particularly relates to a normally engaged wet type clutch used on a car. The normally engaged wet type clutch comprises a motive power output shaft, an input shaft, a driven clutch hub, a driving clutch hub, a driven friction sheet, an active friction sheet and a thrust disc, wherein the motive power output shaft and the input shaft are respectively arranged on a casing and an end cover through bearings, the driven clutch hub and the driving clutch hub are respectively and fixedly arranged on the output shaft and the input shaft, the driven friction sheet is connected onto the driven clutch hub, the driving friction sheet is connected onto the driving clutch hub, the thrust disc is leaned and arranged on the end surface of the driven friction sheet, a diaphragm spring is arranged on the outer side of the thrust disc and is butted and connected onto the outer wall of the diaphragm spring through a pre-tightening screw bolt which is used as a lever fulcrum and is fixedly arranged on the driven clutch hub, a piston arranged on the input shaft diameter is butted and connected onto the inner edge of the diaphragm spring through the thrust bearing, and in addition, the pre-tightening screw bolt is regulated so that the driving and driven friction sheets are in the normally engaged states. The range of the torque transmitted by the wet type clutch is greater, the service life of the clutch can be prolonged, and the driving comfort is better.

The invention belongs to the technical field of vehicle control method, concretely relating to a speed limiting method for electric-jet low speed vehicle, adding speed control application-special logics in the original engine control unit ECU, i.e. respectively adding speed stage determining module, engine speed determining module and ignition angle regulating logic control module and setting three-stage target speed limit values and engine speed limit values in failure diagnosis module, mainly using speed signal as control target, and according to the comparative result of actual speed and target speed limit value, controlling oil jet module to cut off oil by cylinders to control the speed; and by regulating ignition advance angle, controlling ignition module to correct torsion impact produced before and after cutting off oil, and making oil cutoff and oil supply restoration as stable as possible. And the advantages: only modifying control logics of ECU to be able to implement speed control without adding any device, and the control is accurate and reliable, and when lower than limited speed, the vehicle has consistent performance with that of a nonlimited speed vehicle, and the speed limit value is convenient to modifying, and it is applied to different occasions.

The invention discloses a parallel type electric vehicle regeneration brake system and a control method of the parallel type electric vehicle regeneration brake system. The parallel type electric vehicle regeneration brake system comprises a central processing unit, a vehicular speed sensor, an acceleration pedal position sensor, a brake pedal position sensor, a battery management system, a power battery, a motor controller and an electric motor; the central processing unit is respectively and electrically connected with the vehicular speed sensor, the acceleration pedal position sensor, the brake pedal position sensor, the battery management system, and the motor controller; the battery management is also electrically connected with the power battery; the motor controller is further electrically connected with the electric motor. According to the vehicular speed, the acceleration pedal position, the brake pedal position and acceptable maximum power of the current power battery, the current maximum useable feedback torque can be calculated, the highest feedback power is limited, and the power battery is protected.

A method to control a hybrid powertrain (2) in a vehicle, the powertrain including a combustion engine (3), an electric machine (4) and a gearbox (6) with an input shaft (10) and output shaft (18), wherein the combustion engine (3) and the electric machine (4) are connected to the input shaft (10). The method includes the steps of controlling the gearbox (6) to a neutral position; controlling the speed of the electric machine (4) to a predetermined speed, corresponding to a target speed for the input shaft (10) according to the next selected gear; engaging a gear in the gearbox (6); controlling the electric machine (4), so that the electric machine (4) accelerates or decelerates depending on a requested driving torque for the vehicle (1); detecting when a control signal for the electric machine (4) corresponds to a predetermined signal value; and controlling the electric machine (4) to the requested driving torque. Also, a hybrid powertrain and a vehicle (1), and a computer program (P) and a computer program product for performing the method are disclosed.

The invention provides a composite fabricated cement concrete pavement structure. The composite fabricated cement concrete pavement structure comprises a base layer, a leveling layer laid on the baselayer, a fabricated prefabricated concrete slab laid on the leveling layer, a rubber modified asphalt synchronous gravel sealing layer laid on the fabricated prefabricated concrete slab, and rubber modified asphalt concrete laid on the rubber modified asphalt synchronous gravel sealing layer. Compared with the prior art, the composite fabricated cement concrete pavement structure is formed by combining specific functional layers under specific connection relationship, the functional layers have good interaction, and the cooperation of layer structures is realized, so that the whole composite fabricated cement concrete pavement structure has high strength and good driving comfort, and reflective cracks and rutting can be reduced, and the service life of the pavement is prolonged. The experimental results show that the pavement damage index PCI of the composite fabricated cement concrete pavement structure is 92.3-95.5, and the pavement service condition is excellent.

The invention discloses a pavement splicing method and structure for old cement concrete pavement reconstruction and expansion. A cement concrete slab splicing seam is formed in a hard shoulder of an old cement concrete slab, steps are arranged on an old road upper base layer, an old road lower base layer and an old road cushion layer for transition, poor concrete is adopted for a new road upper base layer of an expansion part, and unscreened macadam is adopted for a road bed; a new cement concrete slab and the old cement concrete slab are connected by adopting double-layer reinforcing steel bars; a high-molecular polymer anti-cracking paste is firstly stuck to the cement concrete slab splicing seam, then an asphalt concrete anti-cracking leveling interlayer is paved, and a lower asphalt concrete surface layer and an upper asphalt concrete surface layer are finally paved sequentially, wherein the lower asphalt concrete surface layer is doped with 0.3% by mass of short-cut basalt fiber. According to the method and structure, the problem that the durability of existing old cement concrete pavement reconstruction and expansion engineering is insufficient can be effectively solved, and the important significant is achieved for promoting quicker and better development of transportation industry in China.

The invention provides a control method for starting an engine by using a clutch of a deep hybrid power automobile. The method comprises the steps that whether or not starting demands of the engine are met is judged by a starting demand judging module, if yes, the steps of oil filling of a first clutch, the dragging of an engine of the first clutch, oil spraying control of the engine, PI controlling and first clutch closing are sequentially conducted, and the starting of the engine is completed; during the oil filling process of the first clutch, starting process time tes of a current engine is judged, slipping work Q of a unit area of a current first clutch and the starting process time tes of the engine are judged in the steps of the dragging of the engine of the first clutch, the oil spraying control of the engine and the PI controlling, if judging results exceed limiting values, current steps are ceased, whether or not judging failing times are exceeded is judged, and judging stepsof the starting demands of the engine are executed again or a fault mode is entered according to judging results. The method is easy and achievable, and the smoothness of the starting process of theengine can be ensured to prevent the shaking of the automobile.

The invention discloses a cementing material based on continuous elastic-plastic expansion joints of small-span and medium-span bridges and a preparation method and application thereof. The cementing material is composed of matrix pitch, SBS (styrene butadiene styrene polymer), waste rubber powder, TOR (trans-polyoctenamer rubber) binder and aromatic hydrocarbon. The mass ratio of matrix pitch : SBS : waste rubber powder : TOR (trans-polyoctenamer rubber) binder : aromatic hydrocarbon is 100:8 to 10:15:2:3 to 5. The preparation method includes steps of mixing the waste rubber powder and TOR uniformly, then adding the mixture into the matrix pitch at the temperature of 170 DEG C to mix to form modified pitch mother liquor, adding the SBS and the aromatic hydrocarbon into the modified pitch mother liquor and mixing the same at the temperature of 180 DEG C to prepare composite modified pitch which is the cementing material based on the continuous elastic-plastic expansion joints of the small-span and medium-span bridges. The cementing material based on the continuous elastic-plastic expansion joints of the small-span and medium-span bridges is simple in preparation and applied to the small-span and medium-span bridge expansion joints and has the advantages of high comfortableness in running, high elastic recovery capability, low flexibility, fine high-temperature stability and waterproof performance, convenience in construction and repair, fast traffic opening and the like.

The invention discloses a few-metal-content low-density noise-free resin based composite friction material, which is prepared from the following components: a reinforced fiber, a binder, flaky graphite, a filling material, precipitated barium sulfate, frictional powder, coke, a complexing agent, copper sulfide, molybdenum disulfide, chromite powder, alumina, expanded graphite, natural graphite and granular graphite. The invention also further provides a preparation method of the few-metal-content low-density noise-free resin based composite friction material. The few-metal-content low-density noise-free resin based composite friction material provided by the invention has characteristics of low noise, low density, a stable frictional coefficient, low wear rate and the like.

The invention discloses an asphalt concrete seamless retractor device and a construction method thereof. The asphalt concrete seamless retractor device comprises an asphalt concrete pouring layer, joint-crossing plates, an isolated layer and paving transition belts, wherein the joint-crossing plates are laid above an expansion joint formed between the ends of two bridges or between a bridge abutment back wall and the end of a bridge, the number of the joint-crossing plates is more than one, the length of the joint-crossing plates is larger than the width of the expansion joint, the paving transition belts are arranged at the sides, extending to the expansion joint, of bridge face paving layers, the isolated layer is laid on the bottom face of a rear pouring port formed by two paving transition belts, the isolated layer is arranged at the top faces of the joint-crossing plates, the asphalt concrete pouring layer is arranged in the rear pouring port above the isolated layer, and the surfaces of the sides, in contact with the asphalt concrete pouring layer, of the paving transition belts are set in a wave shape. The asphalt concrete seamless retractor device and the construction method thereof have the advantages that the design is reasonable, the construction is convenient, under the condition of satisfying the telescopic deformation of a bridge structure, the driving comfort isimproved, the repair and maintenance of a telescopic device are reduced, and the engineering application value is good.

The invention relates to a preparation method of a vibration-damping sponge base plate for a high speed railway. The method comprises the following process procedures: step 1, mixing so as to form mixed glue: placing glue stock in a internal mixer for mixing so as to form the mixed glue, wherein the glue stock is composed of the following raw materials in parts by weight: 80 parts of natural glue, 20 parts of ethylene propylene diene monomer (EPDM), 5 parts of zinc oxide ZnO, 50 parts of carbon black 550, 2 parts of antiager 4010 NA, 1 part of antiager RD, 2.5 parts of sulfur, 1.5 parts of vulkafor DM and 0.2 part of vulkafor TT; step 2, extruding so as to form a material blank: placing the mixed glue prepared in the step 1 in a screw extruder for extrusion so as to form the material blank; step 3, mould pressing and vulcanization molding: placing the material blank prepared in the step 2 in a flat vulcanizer for mould pressing and vulcanization molding so as to prepare a sponge base plate; and step 4, punching and cutting: punching the sponge base plate prepared in the step 3 so as to form the finished vibration-damping sponge base plate product. The vibration-damping sponge base plate has the advantages of good weather resistance, good hydrolysis resistance, good train travel comfortableness and low cost, and is environmentally-friendly.

The invention discloses a hydraulic leveler actuator, which comprises a generator (1), a clutch (2), a hydraulic pump (4), hydraulic motors (5, 6) and deceleration balance boxes (8, 9), wherein input shafts of the hydraulic motors (5, 6) are respectively connected to the output end of the hydraulic pump (4), output shafts of the hydraulic motors are respectively connected to input shafts of the deceleration balance boxes (8, 9); output shafts of the deceleration balance boxes(8, 9) are respectively connected to wheels (7, 12, 10, 11). The invention also comprises an acceleration box (3), wherein one end of the acceleration box (3) is connected to the fly wheel shell of the generator (1) through the clutch (2), the other end of the acceleration box is connected to the input end of the hydraulic pump (4); the hydraulic pump (4) is of small output volume and high rotation speed. The hydraulic leveler actuator can lower the generator noise, vibration, oil consumption and discharge, has comfort driving and saves production cost.

The invention discloses a hybrid electric vehicle and a control method for eliminating starting jitter, and belongs to the technical field of hybrid electric vehicles. The hybrid electric vehicle comprises a motor, an engine and a whole vehicle controller, wherein the engine is started by the motor to reach a target rotating speed so as to carry out oil injection ignition, the vehicle control unit is in control connection with the motor, and the engine comprises an air inlet manifold, one end of which is connected with a throttle valve; a vacuum tank which is connected with the air inlet manifold, wherein an electromagnetic valve is connected to the vacuum tank and used for opening or closing the vacuum tank, and the electromagnetic valve is in control connection with the whole vehicle controller; a cylinder body which is connected to the other end of the air inlet manifold, wherein a piston is arranged in the cylinder body, and the piston can perform compression stroke between an upper dead center and a lower dead center of the piston; and an engine management system which is in control connection with the throttle valve, wherein the engine management system is in communication connection with the whole vehicle controller. The hybrid electric vehicle has the beneficial effect that the problem of jitter when the engine is started can be fundamentally solved.

The invention discloses a power system of a hybrid vehicle. The power system comprises an input shaft arranged in a transmission housing, wherein one end of the input shaft is fixedly connected to anengine through a clutch and the other end of the input shaft is connected to an auxiliary motor which can control the input shaft to rotate; the input shaft is in transmission connection with a main reduction gear of a differential through a D gear assembly and an output assembly; and a D third-speed driven gear in the D gear assembly is a starting gear or a reverse gear which can be driven by theauxiliary motor or the engine. The power system of the hybrid vehicle mainly has the beneficial effects of simple structure and ingenious design. Since the D third-speed driven gear acts as the starting gear and the reverse gear under the forward and reverse rotation control of the engine or / and the auxiliary motor, a D first-speed gear, a D second-speed gear and a reverse gear set structure areomitted. The auxiliary motor drives the D third-speed driven gear to realize the reverse of the vehicle, and the auxiliary motor drives the D third-speed driven gear to realize the starting of the vehicle so as to simplify the overall structure of a transmission and improve the performance and endurance of the whole vehicle.

The present invention discloses one kind of sludge haydite-cement concrete for road and its preparation process. The sludge haydite-cement concrete is mixture of sludge haydite, cement, crushed stone, sand, water and admixture in certain weight proportion. It is prepared through wetting sludge haydite and mixing the materials; and is used through spreading, vibrating and curing. The sludge haydite-cement concrete has excellent performance, environment friendship and low production cost.

The invention discloses an aqueous resin modified asphalt pavement maintenance material and a preparation method thereof. The aqueous resin modified asphalt pavement maintenance material is prepared by the following steps: uniformly mixing resin, an oil content, asphalt and an emulsifier, adding water into the mixture for emulsification, then adding aqueous carbon black color paste, fillers, fineaggregates and coarse aggregates into the mixture and uniformly mixing. When in application, the surface layer of an asphalt pavement is coated with the aqueous resin modified asphalt pavement maintenance material by spray coating, scrape coating or roll coating, so that the skid resistance and the water damage resistance of the asphalt pavement can be improved, therefore, the service life of a road is prolonged.

The invention discloses a travelling control system and method of an electronic fuel injection engine wheel type hydraulic excavator. In the travelling process of the electronic fuel injection engine wheel type hydraulic excavator, a host controller ECU collects the travel signal of an accelerator pedal, the travelling gear signal of a steering gear, the pressure signal of a motor, the pressure signal of a main pump and the signal of a parking brake button; a rotating speed signal sent by an ECM is collected through a CAN bus; the current of a main pump proportional electromagnetic valve and a motor proportional electromagnetic valve is controlled; and an engine accelerator and the torque of the engine are controlled through the CAN bus. The travelling control system and method are better in power matching and characteristic matching of the main pump and the engine, matching of different working condition loads and the power of the main pump, matching of different working conditions and the torque of the engine and matching of the different working conditions and the torque of a motor, so that the travelling control system and method have the advantages that the electronic fuel injection engine wheel type hydraulic excavator saves more energy and is higher in capability of adapting to severe road conditions, more stable in travelling and better in driving comfort, and the situation that a user forgets that the parking brake button is already pressed and drives the excavator when the parking brake button is already pressed, and consequentially the engine flames out due to suppression is avoided.

The invention relates to an AT hybrid electric vehicle-based hybrid electric system and a sliding brake energy recovery control method thereof, belonging to the field of control of hybrid electric vehicles. Aiming at the existing defects, the invention provides a hybrid electric system which can ensure good driving comfort, high energy recovery and high reliability of a vehicle, and a sliding brake energy recovery control method thereof. The method comprises: according to the vehicle speed, states of an accelerator pedal and a brake pedal, the charging state of a high-voltage battery and the working state of an ABS, determining the state of the vehicle and performing brake energy recovery; determining the brake torque of a base motor according to the opening of the brake pedal and the actual gear of a gearbox; correcting the brake torque of the base motor according to the transmission efficiency of the gearbox and oil temperature; and performing one-stage torque limiting according to the current external output torque capability of the motor; feeding the charging current of a BMS back to an MCU; and the MCU performing two-stage torque limiting on the brake torque of the motor. TheAT hybrid electric vehicle-based hybrid electric system and the sliding brake energy recovery control method thereof are mainly used for controlling the sliding brake energy recovery of the hybrid electric vehicle.

The invention aims at providing a control method of air inletting vortex of a diesel engine; the method can control the vortex intensity fast and accurately so as to meet the requirement of the diesel engine under various working conditions; the control method of the invention essentially comprises the following steps: the control amount of open-loop and the control amount of closed-loop of the vortex are determined according to the operating working condition of the engine and the control mode of the vortex is selected; if the open-loop control mode is adopted, the control amount of the open-loop is directly used for adjusting a vortex valve; if the control modes of the open-loop and the closed-loop are adopted, the control amount of the open-loop and the control amount of the closed-loop are added to adjust the vortex valve. The method combines the control mode of the open-loop and the control mode of the closed-loop; and a self-adapting calculating method is adopted in the control modes of the open-loop and the closed-loop, thus leading the vortex intensity to response the requirement of mixed fuel gas burning fast and accurately being compatible with the power, economic efficiency and environmental protection requirement of the engine, and guaranteeing good comfortableness of driving and being applicable to the requirement of the modern automobile.

The invention discloses a railroad bridge separated double-box steel main-girder structure with independent air nozzles. The railroad bridge separated double-box steel main-girder structure comprises a bridge deck system, wherein separated side box girders are arranged on two sides of the transverse bridge direction of the bridge deck system, one side of each separated side box girder is in welded connection with the bridge deck system, and the other side of each separated side box girder is in welded connection with the corresponding independent air nozzle. Each separated side box girder comprises multiple separated side box girder sections arranged in the bridge direction, and the separated side box girder sections adjacent in the bridge direction are spliced through bolts. The designed railroad bridge separated double-box steel main-girder structure is clear in stress, and the local stability problems are few. Compared with integral steel box girders, the structural size is decreased somewhat, the structure can be prefabricated in a factory, field weld joints are avoided, and the construction precision and construction quality are ensured. Compared with steel truss girders, complicated node splicing work is decreased, and the steel consumption is decreased. In addition, the outer surface of the main-girder structure is simple, and the maintenance and repair amount is small. Compared with the integral steel box girders and the steel truss girders, the wind resisting performance is greatly improved.

The invention discloses a bidirectional flywheel assembly, which is characterized in that: a bidirectional limit gap bridge bearing is arranged between a flywheel disc hub and a flywheel driving disc; and an outer sleeve of the bidirectional limit gap bridge bearing is fixedly connected with an inner end of the flywheel disc hub and an inner sleeve of the bidirectional limit gap bridge bearing isfixedly connected with the flywheel driving disc. A vehicle with the bidirectional flywheel assembly can shift gears more stably without gaps, and the bidirectional flywheel assembly also has function of buffering and damping in the process of improving the speed. The bidirectional flywheel assembly has the advantages of prolonging the service life and improving the working safety.

The invention relates to an off-highway dump truck for reducing abrasion and prolonging service life of a plate spring. The off-highway dump truck is characterized in that: a power system of the dump truck is connected on a main frame; a steering system is connected on the left front outer side of the main frame; a suspension system is connected below the main frame; braking systems are connected on the inner and outer sides of the main frame; a hydraulic cylinder of a lifting system is connected above the front end of a secondary frame and on the front plate of a cargo box through a cylinder connecting seat, the cargo box is connected above the secondary frame, and the secondary frame is connected above the main frame through a bracket and a connecting plate; a cab is arranged on the left front part of the main frame on single side; the suspension system mainly comprises a front suspension system and a rear suspension system, the rear suspension system is provided with a new-type plate spring sliding plate seat, the seat body of the sliding plate seat has a framework-type structure, two ends of the lower surface of the upper plane of the seat body are downwards raised lower arc surfaces, and the middle of the seat body is a plane; and the upper surface of the lower plane of the seat body is an upwards raised upper arc surface. The invention defines the market of off-highway trucks, determines the technical indexes of the off-highway trucks according to the determined market requirements, and mainly solves a truck ground system in an off-highway state.

The invention discloses a two-gear dual-clutch hybrid power system and a hybrid power vehicle. The system comprises an inner input shaft, an outer input shaft, an intermediate shaft, a differential and a motor, a first-gear driven gear, a second-gear driven gear and a normally engaged gear are fixedly connected to the intermediate shaft; the inner input shaft is connected with an engine through afirst clutch; the outer input shaft is connected with the engine through a second clutch; the outer input shaft is fixedly connected with a first-gear driving gear; the first-gear driving gear is meshed with the first-gear driven gear, the inner input shaft is fixedly connected with a second-gear driving gear, the second-gear driving gear is meshed with the second-gear driven gear, the normally-meshed gear is meshed with a main reduction gear of the differential mechanism, and a motor transmission mechanism is arranged between the motor and the differential mechanism and used for transmittingpower of the motor to the differential mechanism. Two gears are used, a synchronizer is omitted, gear switching is performed through the double clutches, torque supplementing is conducted on the motorin the gear shifting process, smooth gear shifting is guaranteed, the transmission efficiency is high, the space is small, and the whole vehicle is easy to arrange.

Damping system for articulated vehicle and method for regulating such a damping system. In a normal state, when there is no risk situation with regard to mutual outswing between the forward vehicle element (2) and the rear vehicle element (3) of the vehicle, the damping means (30a, 30b) of the damping system are caused to exert a damping force which is pulsated, in order thereby to facilitate mutual straightening up between the forward vehicle element and the rear vehicle element. When it is determined that there is a risk situation with regard to mutual outswing between the forward vehicle element and the rear vehicle element, the damping means are caused to exert a damping force which is non-pulsated and stronger than the damping force in the normal state, in order thereby temporarily to prevent the articulation angle from increasing, after which the damping means are caused to revert to the normal state with pulsated damping force of reduced strength.

The invention discloses an electromobile transmission. The electromobile transmission comprises a transmission body, wherein an input shaft and a driven shaft are arranged in the transmission body, a first driving gear and a second driving gear are arranged on the input shaft, a synchronizer is arranged between the first driving gear and the second driving gear in a sliding mode, a left blocking ring is arranged on the portion, on one side of the first driving gear, of the input shaft, a left electromagnetic clutch matched with the first driving gear is fixedly arranged on the left blocking ring, a right blocking ring is arranged on the portion, on one side of the second driving gear, of the input shaft, a right electromagnetic clutch matched with the second driving gear is fixedly arranged on the right blocking ring, a first driven gear and a second driven gear are arranged on the driven shaft, a transition shaft is arranged on the portion, between the first driven gear and the second driven gear, of the transmission body, a transition gear is arranged on the transition shaft, the transition gear is meshed with both the first driving gear and the first driven gear, and the second driven gear is meshed with the second driving gear.