26results about How to "Increase driving speed" patented technology

The present invention relates to the technical field of underground transportation facilities in coal mines, and in particular to a speed bump, specifically a one-way speed bump used in slopes underground in coal mines. In order to solve the problem that the existing speed bump reduces the vehicle speed when going uphill, the present invention provides a new type of one-way speed bump used in slopes. It includes a speed bump body, a first guide rail, a second guide rail, a third guide rail, a block, a return spring and a damper. The present invention cleverly utilizes the linkage design of the mechanical structure and the effects of the damper and the return spring, so that when going uphill, the rubber-tyred trackless vehicle only needs to flatten the speed bump after the front wheels climb the slope, and the rear wheels can pass through the flattened speed bump without the need for the rear wheels to climb the slope again, thereby increasing the speed of the rubber-tyred trackless vehicle when going uphill, while also avoiding the bumps of the rear wheels when climbing the slope, and increasing the comfort of the driver when driving.

This invention provides a three-trailer collaborative aircraft transfer method and system based on multi-sensor fusion. This invention relates to the field of aircraft ground support technology, specifically to a three-trailer collaborative aircraft transfer method based on multi-sensor fusion, applicable to short-haul aircraft ground transport to hangars. Through multi-sensor data fusion and multi-trailer collaborative control, it improves transfer accuracy, safety, and efficiency. The method specifically includes the following steps: system setup and sensor calibration; trailer attitude initialization and collaborative parameter configuration; real-time acquisition and preprocessing of multi-sensor data; multi-sensor data fusion and state estimation; dynamic path planning based on fused data; attitude error quantification and calibration based on complex statistics; multi-trailer collaborative driving control and traction distribution; real-time environmental monitoring and risk warning; precise docking at the hangar entrance and attitude fine-tuning; and parking and system review and optimization.

The invention discloses a mine rail transportation system, which relates to the technical field of mine transportation, and comprises a transportation vehicle and a driving channel, the running channel is at least provided with a ground and two side wall surfaces, and the ground and the two side wall surfaces are respectively provided with a first track and a second track; main power wheels are arranged at the bottom of the transport vehicle, at least one supporting arm is arranged on each of the two sides of the transport vehicle, the far end of each supporting arm is connected with a mounting base, and the mounting bases are rotationally connected with lateral power wheels. The main power wheel and the lateral power wheel are respectively arranged on the first track and the second track in a walking manner; the transport vehicle further comprises a power assembly, and the power assembly is used for driving the main power wheels and the lateral power wheels to rotate. And on the basis that the additional second motor is arranged to increase power, and the second track can provide more abundant supporting force for the transport vehicle, so that the transport vehicle can run at a higher speed and stably.

The present invention provides an urban open-cut tunnel excavation support system and a construction method. By adopting a standardized access road with anti-skid ribs that can be quickly spliced, driving safety and speed are improved, the possibility of instability of the foundation pit is reduced, and the construction speed is accelerated; by adopting a slope steel mesh quick-binding tire frame and a slope support standardized mobile operating platform for construction, the tire frame side plates of the slope steel mesh quick-binding tire frame are fixed by installing side plate fixings on the inner and outer sides, which speeds up the steel bar binding speed, is beneficial to the stability of the slope, and is convenient for construction personnel to operate; through the prefabricated assembly and assembly tower crane foundation technology, the prefabricated central component of the prefabricated assembly and assembly tower crane foundation is placed at the center position of the cushion layer, and the prefabricated symmetrical components are connected to the prefabricated central component on the cushion layer through embedded bars; the counterweight blocks are placed on the prefabricated symmetrical components, the construction speed is fast, the stability of the tower crane foundation is guaranteed, and the time for tunnel structure construction after the foundation pit is excavated can be effectively shortened.

The embodiment of the application provides an automatic parking method, device and electronic equipment, the method comprises the following steps: determining the relative position between the driving shaft of a target vehicle and a target deceleration strip when the target vehicle is located at a first starting position; if the relative position does not satisfy a preset passing condition, controlling the target vehicle to drive to a second starting position from the first starting position in a far direction, wherein the far direction is the direction of the driving shaft relative to the target deceleration strip; and controlling the target vehicle to drive to a target parking space from the second starting position via the target deceleration strip. Thus, the target vehicle successfully crosses the deceleration strip and parks in the target parking space, and the safety of the target vehicle parking is improved.

The utility model discloses a kind of all terrain loaders of wheel-track composite drive, it is related to engineering technical field, comprising: vehicle body and at least one group wheel-track switching walking mechanism, wherein each group wheel-track switching walking mechanism includes: driving shaft, for receiving power input;Multiple tensioning wheel hubs, by multiple tensioning hydraulic devices and multiple wheel-track switching telescopic hydraulic devices are installed on the support;Track, it is arranged at the outside of tensioning wheel hub, annular protrusion or groove is arranged in its inside side;Tensioning hydraulic device and wheel-track switching telescopic hydraulic device are used to drive tensioning wheel hub to realize displacement and attitude change.The utility model sets up tensioning hydraulic device and wheel-track switching telescopic hydraulic device to drive the tensioning wheel hub to realize displacement and attitude change by being arranged as wheel-track switching walking mechanism, make track switch between circle and polygon, to reach the purpose of wheel-track switching of walking mechanism.

The invention relates to the technical field of safety detection, and discloses a mine safety detection method based on digital twinning, and the method comprises the steps: carrying out the modeling of mine transportation information through a digital twinning technology, including an uplink lane, a downlink lane, an uplink vehicle and a downlink vehicle; according to the method, whether a vehicle breaks down or not is judged by setting a vehicle fault speed threshold value, and if the fault vehicle is found, a corresponding scheduling strategy is adopted according to a vehicle set to which the fault vehicle belongs; the scheduling strategy comprises the steps of obtaining a fault moment, judging the movement direction of a fault vehicle, determining a lane changing safety distance and adjusting the driving speed of an adjacent vehicle so as to ensure the safety distance and optimize the traffic flow; in addition, a specific calculation formula is further provided to accurately adjust the speed and the position of the vehicle. The safety risk caused by the fault vehicle can be dealt with; the method can effectively improve the safety and efficiency of a mine transportation system.

The invention relates to a parasitic inertia type piezoelectric actuator capable of realizing low frequency and high speed, and solves the technical problem that the parasitic inertia type piezoelectric actuator cannot realize high-speed motion during low-frequency signal driving. The actuator mainly comprises a piezoelectric stack, a two-stage lever flexible hinge mechanism and a movable guide rail. The two piezoelectric stacks are simultaneously electrified and driven, the displacement is doubled through a secondary lever and a Z-shaped beam in the secondary lever flexible hinge mechanism, and the unit step length of the driver is increased, so that the unit speed is greatly increased, and the low-frequency and high-speed target is realized; the two-stage lever flexible hinge mechanism is high in rigidity and can bear a large load, the rigidity of the piezoelectric stack in the main output direction is also fully utilized, and the output load of the driver is improved. The driver is simple in structure and can be applied to the fields of micro-operation robots and the like.

The invention provides a method for operating a ground processing machine. Comprising the following measures: a) providing a maximum permissible driving speed of the ground processing machine (10) according to a steering amplitude-driving speed relationship (K) as a function of a steering amplitude (L), b) detecting an actual steering amplitude of the ground processing machine (10), c) setting a driving speed (V) of the ground processing machine (10), the driving speed (V) does not exceed the maximum permissible driving speed which is associated with the actual steering amplitude according to the steering amplitude-driving speed relation (K) provided in measure a).

The present application relates to the technical fields of mine battery electric locomotive, in particular to a coal mine battery electric locomotive unmanned auxiliary driving system, including electric locomotive, the rear end top of electric locomotive is equipped with battery, the front end of electric locomotive is connected with sliding seat through slide rail connection mode, the front end of electric locomotive is provided with recess, and electric push rod that drives sliding seat lifting movement is installed in recess, the front end of sliding seat is equipped with two fixed seats, the front end of two fixed seats is equipped with brush assembly that carries out the cleaning of ore on the rail surface, the present application passes through brush assembly and moves in the process of electric locomotive, so that the frictional force of first gear and ground rail side upper side is generated, so that the kinetic energy of friction is transmitted on the pulley rod and the limiting rod, and then is indirectly transmitted on the brush rod, the coal on the rail surface is automatically cleaned by the brush on the brush rod, the mechanical automation degree is improved, and the cleaning effect is strong.

The utility model provides a gearbox and an electric loader, which belong to the technical field of vehicles, and comprise an input shaft, a primary speed reduction planet row, a secondary speed reduction planet row, a brake and a secondary speed reduction transmission system, the first-stage speed reduction planet row is coaxially connected to the input shaft, the input shaft can directly drive the first-stage speed reduction planet row to rotate, and a planet carrier of the first-stage speed reduction planet row is connected or disconnected with the input shaft through a clutch; the input shaft is sleeved with the second-stage speed reduction planet row in an empty mode, and the second-stage speed reduction planet row and the first-stage speed reduction planet row share the planet carrier; the second-stage speed reduction planet row transmits power through the first-stage speed reduction planet row; the brake controls the planet carrier to brake; the second-stage speed reduction transmission system is meshed with the second-stage speed reduction planet row; power decelerated by the second-stage speed reduction transmission system is transmitted to wheels through a drive axle; the transmission ratio i1 of the second-stage reduction transmission system is larger than or equal to 5. Due to the adoption of the high-speed-ratio gearbox driven by the high-speed motor, the working efficiency and the running speed can be improved.

The invention provides a train control method and device.The train control method comprises the steps that under the condition that a target train is in a first manual driving limiting mode, current position information of the target train is determined; obtaining route attribute information corresponding to the target train according to the current position information; under the condition that the current position information and the route attribute information meet train upgrading conditions, it is determined that the target train enters a second limited manual driving mode, and the speed limit of the second limited manual driving mode is larger than the speed limit of the first limited manual driving mode; and controlling the target train to run in a second limited manual driving mode. According to the method, a double-RM control method is realized, and the running speed of the target train can be properly increased in a manual driving mode. The problem of low efficiency caused by speed limiting in a single RM mode is solved, and the operation efficiency is improved.

The invention discloses a method and system for controlling the traction force of a vehicle body in a snowfield driving state, and the method comprises the steps that an ESC control module monitors the parameter information of the vehicle in the driving state through a sensor, and obtains a rolling resistance coefficient through calculation of a calculation module; the ESC control module judges the running state of the vehicle and judges whether the vehicle is in a deep snow running state or not, if yes, the road surface is calibrated, the slip rate offset is generated, and the ESC control module sends the slip rate offset to the traction force control module to adjust the output size of the traction force of the vehicle; through a calculation module, parameter information detected and collected by an ESC control module is calculated to obtain a rolling resistance coefficient, the slip rate offset is adjusted according to the change of the rolling resistance coefficient, and the slip rate offset is sent to a traction force control system to adjust the output of traction force. The control precision of the traction control system on a deep snow road surface can be improved, and the vehicle running speed is increased.

The invention discloses a positioning and conveying device and method for thermal power generation facility installation, and belongs to the technical field of conveying equipment.The positioning and conveying device for thermal power generation facility installation comprises two rails, two fixed racks and a positioning and conveying mechanism. According to the positioning and conveying equipment for installation of the thermal power generation facility, the two fixing racks and the positioning assembly are arranged, after the bearing frame and the thermal power generation facility supported by the bearing frame reach the designated position, the positioning assembly can ensure the accurate position of the bearing frame on the track through meshing with the fixing racks, and the positioning effect is improved. And transportation errors caused by position deviation are avoided.

The invention discloses a method for reasoning speed based on a road risk dynamic optimization perception model, and the method comprises the steps: carrying out the lightweight processing and pre-construction of environment perception models corresponding to different operation speeds according to different risk levels of a road under automatic driving; road environment information is collected, a road environment risk value is calculated in real time based on the road environment information, and the current road environment safety level is determined according to the range of the road risk value; and based on the environmental safety level, selecting environmental perception models corresponding to different running speeds, outputting perception results, and dynamically adjusting the upper limit of the running speed to realize intelligent regulation and control of the running speed of the automatic driving perception system. According to the invention, sensing models of different operation speeds can be dynamically selected according to the road risk level and the upper limit of the planned speed is adjusted, thereby realizing intelligent regulation and control of the operation speed of the sensing system and ensuring automatic driving safety.

The invention relates to a modularized constant-voltage output automobile dynamic wireless charging system, which belongs to the technical field of electric vehicle power circuits and structurally comprises n sections of modularized electric energy transmitting systems which are continuously arranged and n sections of inter-section switching control systems which are continuously arranged, the modularized electric energy transmitting system comprises a first modularized electric energy transmitting system (1), a second modularized electric energy transmitting system (2),..., an nth modularized electric energy transmitting system (3), a first inter-segment switching control module (4), a second inter-segment switching control module (5),..., an nth inter-segment switching control module (6), and a dynamic electric energy receiving system (7). According to the invention, high-stability and high-charging-efficiency in-section charging can be provided for the running electric vehicle, smooth switching between sections can be realized, and misjudgment on non-charging targets is avoided.

The present invention discloses a novel closed wheel with variable structure and multiple walking modes, which includes a hub, multiple spoke assemblies, multiple rim blocks, and a control assembly. The spoke assembly is hinged to the hub and can rotate along the axial direction of the hub; multiple spoke assemblies are evenly distributed along the radial circumferential direction of the hub; the rim blocks are connected to one end of the spoke assembly away from the hub; the control assembly is arranged on the hub and connected to the spoke assembly to drive the spoke assembly to rotate; when the spoke assembly rotates to close multiple rim blocks, they are combined into an arc tread for wheeled movement; when the spoke assembly rotates to separate multiple rim blocks, multiple mechanical soles are formed for legged movement. The spoke assembly is driven to move by the control assembly to change the wheelbase; at the same time, multiple rim blocks are combined or separated, thereby switching to a wheeled movement mode or a legged movement mode, thereby increasing the ability to adapt to the environment.

The invention discloses a detachable weight block based on vertical shaft gravity energy storage and a jacking system and method. The detachable weight block comprises weight block single bodies, and two or more weight block single bodies can be in butt joint in an up-down stacked mode to form a weight block combination; each weight block single body comprises a weight block body, the upper end of each weight block body is provided with an upper end butt joint part, the lower end of each weight block body is provided with a lower end butt joint part, and the upper end butt joint parts correspond to the lower end butt joint parts. According to the scheme, the height and the quality of the weight block are controllable, and the gravity center height and the machining and manufacturing difficulty of a single lifting weight block are reduced; the conveying process is safer and more stable while the conveying speed is increased, the burden of the conveying system is relieved, and the conveying efficiency of the whole system is improved.

The invention provides a seat support for a railway vehicle, a seat and the railway vehicle, the seat support comprises at least one supporting leg, each supporting leg extends in the height direction, and the lower end of each supporting leg is installed on a floor in a carriage; the supporting frame extends in the horizontal plane and is installed at the upper ends of the supporting legs, and the supporting frame comprises a core material, a supporting plate and a supporting plate, the framework is coated outside the core material; the two mounting mechanisms are mounted on the two sides, extending in the longitudinal direction, of the supporting frame respectively, and the seat body is kept on the supporting frame.

A method of learning a rescue time period by an elevator system (101). The elevator system (101) includes an elevator car (103) moved by a machine (111) and a machine brake (120), arranged such that braking of the machine (111) by the machine brake (120) brakes motion of the elevator car (103). The method includes releasing the machine brake (120) for at least one test time period, at the end of which the machine brake (120) is engaged, detecting a corresponding at least one maximum travel speed of the elevator car (103) reached as a result of releasing the machine brake (120) for each at least one test time period, checking whether each at least one maximum travel speed is an acceptable speed, and setting the rescue time period based upon said checking.

The utility model relates to the related field of electric vehicle shells, in particular to an electric vehicle plastic shell capable of reducing wind resistance, which comprises a shell body, a supporting shell is arranged in the shell body, a front blocking shell and a seat shell are respectively arranged at the front end and the rear end of the supporting shell, and a turbulent flow assembly is arranged at the tail of the seat shell. A wind breaking assembly is arranged at the front end of the front blocking shell and comprises a hinge seat and a motor, a rotating shaft is arranged on the inner side of the hinge seat, a spoiler is arranged on one side of the rotating shaft, a second cone pulley is arranged at the front end of the motor, a first cone pulley is arranged on one side of the second cone pulley, and the wind breaking assembly comprises a mounting column and a wind breaking cone. The mounting column and the wind breaking cone are respectively provided with a mounting hole, and a fixing bolt is arranged in each mounting hole, so that airflow on the side surface and at the rear end of the electric vehicle can be bypassed and shunted, airflow at the front end of the running of the electric vehicle can be subjected to wind breaking treatment and diversion, and the wind resistance during the running of the electric vehicle is effectively reduced.

The invention relates to the technical field of liftable front steering knuckle systems, in particular to an amphibious vehicle liftable front suspension which comprises a main steering knuckle beam, an adjusting mechanism is movably connected to the interior of the main steering knuckle beam, lifting damping mechanisms are movably connected to the two sides of the top of the main steering knuckle beam, and a steering mechanism is arranged on one side of the bottom end of the main steering knuckle beam. A control mechanism is arranged on one side of the main steering knuckle beam, when the amphibious vehicle runs on the land, the lifting front suspension plays a role of a common steering knuckle, and impact borne by the vehicle in the running process and vibration of a vehicle body are buffered; when the amphibious vehicle runs in water, the lifting front suspension lifts the steering knuckle mechanism and the wheel system through the hydraulic oil cylinder, the purposes of reducing resistance and increasing running speed are achieved by reducing eddy current loss caused by the running mechanism stretching into the water, and the loss of the steering knuckle system can be effectively reduced.

The invention discloses a magnetic suspension driving panoramic view angle automobile, and relates to the technical field of automobiles, the magnetic suspension driving panoramic view angle automobile comprises an automobile body, a roof of the automobile body is made of hemispherical panoramic tempered glass, and an anti-rolling frame connected with the automobile body is arranged on the inner side of the hemispherical panoramic tempered glass; flying wing doors hinged to the hemispherical panoramic tempered glass are arranged at the tops of the two sides of the hemispherical panoramic tempered glass, sliding grooves are formed in the two sides of the hemispherical panoramic tempered glass, telescopic sunshade gauze is arranged outside the hemispherical panoramic tempered glass, and the bottom of the telescopic sunshade gauze is in sliding connection with the sliding grooves. According to the rear-drive type magnetic suspension driving panoramic view angle automobile, through the panoramic tempered glass design, the driving view field is greatly expanded, and the driving pleasure is improved. The combination of the magnetic suspension tires and the rubber track not only improves the driving stability, but also enhances the off-road performance. The innovative repulsive force design of the driving tires and the magnets effectively reduces friction, and the running speed is increased.

The invention discloses a movable escape compartment on the sea. The movable escape compartment comprises a hull and a moving mechanism fixed to the tail end of the hull. Hydrofoils are fixedly installed on the two sides of the ship body, a flow guiding groove used for guiding water flow is formed in the bottom face of the ship body, a cabin is arranged on the surface of the ship body, and a control rudder is arranged in the cabin; the moving mechanism comprises a driving box body, a controller, a driving assembly, a paddle board moving assembly and a steering assembly, a motorized base and drainage wings located on the two sides of the motorized base are arranged on the bottom face of the driving box body, and a breathing environment reconstruction system, a temperature and humidity maintaining system, an environment monitoring system, a communication and illumination system, a life support system and the like are comprehensively carried. In the invention, the flexibility of equipment operation is realized by electrically controlling the electric worm and manually controlling the manual worm to link the fixed shaft rod, the ship body can be stably driven under various working conditions, the electric and manual dual-mode driving is realized, the manual operation can still be ensured when the electric quantity is insufficient or the electric control system fails, and the reliability and the safety of the system are improved.

The invention relates to a height-adjustable double-wheel suspension and a chassis applying the same, belongs to the technical field of vehicle chassis, and particularly relates to the technical field of balanced suspensions. The double-wheel suspension is connected with two wheels through a multi-connecting-rod mechanism according to the given axle distance, double-wheel bearing and suspension mechanism linkage are achieved, double dampers deform in a coordinated mode, the wheel set load performance and the longitudinal impact resistance are improved, and the ground adaptability and the running speed of a vehicle are improved. In the running process of the vehicle, the wheel track and the axle base of the vehicle are unchanged, and the height of the vehicle chassis is dynamically adjustable; the damping device has the advantages of being light in self weight, good in damping and guiding buffering effect and high in stability, is applied to balanced suspension systems of various multipurpose automobiles, and provides a new method for vehicle design.