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26306 results about "Drive wheel" patented technology

A drive wheel is a wheel of a motor vehicle that transmits force, transforming torque into tractive force from the tires to the road, causing the vehicle to move. The powertrain delivers enough torque to the wheel to overcome stationary forces, resulting in the vehicle moving forwards or backwards.

Robot for Assisting With and Performing Household Chores

A folding robot for assisting with and performing household chores includes a head having a screen and a sensor, an elongate neck member, a torso, one or more arms connected to the torso, a riser member connected and rotatable with respect to the torso, one or more legs connected to the riser member by a hip joint, and a controller configured to send and receive data associated with the robot for completion of household tasks. Each arm includes a first arm member, a second arm member, a wrist member, and at least two fingers. Each leg includes a leg member, a first drive wheel disposed at a first end of the leg member coaxial with the hip joint, and a second drive wheel disposed at a second end of the leg member. The first drive wheel and second drive wheel are independently controllable for travel of the robot.
Owner:SYMBOL ROBOTICS INC

Soil layer detection drilling device

A soil layer detection drilling device includes a drilling cylinder, and a soil-sampling assembly is provided inside the drilling cylinder. When the soil is drilled, equipment is in a vertical state, a controller is turned on to control a rotary motor to rotate, and the drilling cylinder is driven to drill the soil with the cooperation of drive wheels and a drive belt. Four slide blocks are evenly distributed around an outer circumference of a sliding disk and are matingly connected with slide grooves provided on an inner wall of the drilling cylinder, so when the drilling cylinder rotates, the soil-sampling assembly also rotates. A conical head first in contact with the ground starts to drill the ground, then the drilling cylinder gradually drills into a soil layer, and the drilling cylinder is idled as the drilling cylinder arrives at a certain depth, to clear soil on auger blades.
Owner:POWERCHINA SEPCO1 ELECTRIC POWER CONSTR CO LTD

Heavy-load large holding tool driving wheel multi-mode damage detection method based on machine vision

The invention provides a machine vision-based heavy-load large holding tool driving wheel multi-mode damage detection method, and relates to the technical field of automatic detection, and the method comprises the steps: collecting the image, vibration and temperature data of a driving wheel, extracting the visual features of the image through a multi-scale pyramid network, and obtaining the multi-mode damage of the driving wheel; inputting a cross-modal feature fusion network in combination with eccentricity and runout features of the vibration signals and stress concentration features of the temperature data to obtain fusion features; inputting the fusion features into a multi-task detection module to identify the damage, and measuring the damage area, depth, crack growth rate and stress concentration degree based on image segmentation, a photometric stereo method, vibration signal analysis and temperature gradient analysis; and finally, in combination with the equipment operation condition and the damage evolution law, an improved evidence theory is adopted to fuse the evaluation indexes, and an evaluation report including the damage state, the development trend and the maintenance suggestion is generated.
Owner:杨明川

Ground supporting wheel type inspection robot for wave-shaped guardrail

The utility model discloses a ground supporting wheel type inspection robot for a wave-shaped guardrail. The inspection robot comprises a wave-shaped guide wheel mechanism, a driving wheel mechanism, a ground supporting wheel mechanism and a shell, the wave-shaped guide wheel mechanism is mounted to the shell, the wave-shaped guide wheel mechanism comprises at least one set of wave-shaped guide wheels, each wave-shaped guide wheel is provided with a wave-shaped profile matched with the wave-shaped structure of the wave-shaped guardrail, and each set of wave-shaped guide wheels is configured to roll along one wave-shaped structure of the wave-shaped guardrail; the driving wheel mechanism is mounted to the shell and comprises at least one walking driving wheel which is configured to be in contact with the rolling surface of the wave-shaped guardrail; the ground supporting wheel mechanism is mounted to the shell and comprises a plurality of ground supporting wheels; the inspection robot is configured to be driven by the driving wheel mechanism to walk along the wave-shaped guardrail; the inspection robot is installed on the wave-shaped guardrail in the mode that the inspection robot and the upper edge of the wave-shaped guardrail are arranged in a spaced mode. By means of the inspection robot, invasion and occupation of roads or construction areas are avoided.
Owner:齐鲁高速公路股份有限公司 +1

Deflection control mechanism for a steerable flexible endoscope, steerable flexible endoscope, and method for controlling a flexible endoscope

A deflection control mechanism for a steerable flexible endoscope, the endoscope having an elongate flexible shaft comprising a steerable section that is deflectable by movement of at least one elongate control element, comprises a support structure, a drive wheel rotatably supported in or on the support structure, and a hand wheel rotationally coupled to the drive wheel, wherein the deflection control mechanism includes a brake stator element rotationally coupled to the support structure and a brake rotor element rotationally coupled to the drive wheel, and wherein a first one of the brake stator and brake rotor elements comprises an elastically deformable lip and the other one of the brake stator and brake rotor elements comprises a friction surface, the elastically deformable lip being arranged for being pressed against the friction surface by axial displacement of the brake stator element relative to the brake rotor element.
Owner:KARL STORZ SE & CO KG

Welding equipment of reinforcement cage for bridge construction

The invention relates to the field of shape correction welding, in particular to welding equipment of a reinforcement cage for bridge construction, which comprises a base and a welding manipulator, and further comprises a rotating mechanism, a positioning mechanism and a locking mechanism, and the rotating mechanism comprises an annular turntable, a driving wheel and a belt; the positioning mechanism comprises a disc frame, an elastic base plate and a center supporting disc, the center supporting disc is fixed to the center of the disc frame, the elastic base plate is fixed to the bottom of the containing groove through a spring, a sliding groove is formed in the center supporting disc, and an adjusting head is installed in the sliding groove; the locking mechanism comprises a locking disc, a plurality of arc-shaped grooves are formed in the locking disc, a push rod is fixed to the bottom of the adjusting head, and the end face of the locking disc can abut against the center supporting disc. The positions of the multiple steel bars on the steel reinforcement cage are adjusted through the positioning mechanism, the steel bars can be welded to form the steel reinforcement cages with different diameters, the positions of the steel bars are locked through the locking mechanism after the steel bars are positioned, and the steel reinforcement cages are prevented from deforming in the welding process.
Owner:4TH ENG CO LTD OF CHINA RAILWAY 22 BUREAU GRP +1

Cleaning robot

The utility model provides a cleaning robot which comprises a robot body and an advancing assembly, the advancing assembly comprises a driving wheel, a supporting unit and an obstacle crossing wheel, the obstacle crossing wheel is arranged on the supporting unit, and the supporting unit can rotate around the driving wheel so that the advancing assembly can be switched between an advancing state and an obstacle crossing state; when the advancing assembly is in an advancing state, the driving wheels abut against the ground to drive the machine body to advance; when the advancing assembly is in the obstacle crossing state, the supporting units drive the obstacle crossing wheels to make contact with the ground, the driving wheels are made to break away from the ground, and the obstacle crossing wheels drive the machine body to advance. By means of the structure, the obstacle crossing wheels can be driven by the supporting units to make contact with the ground to support the machine body when a preset distance exists between the obstacle crossing device and an obstacle, so that the front end of the machine body is far away from the ground, the rear end of the machine body is close to the ground, and the whole machine body is in an inclined state; the distance between the front end of the robot body and the ground is far larger than the ground clearance of the robot body, and therefore the obstacle crossing capacity of the cleaning robot is improved.
Owner:DREAM INNOVATION TECH (SUZHOU) CO LTD

Electrically powered vehicle and drivetrain

An electric vehicle may comprise a chassis extending between a front and a rear and having a steering axle coupled to the chassis and arranged near the front. The electric vehicle may further comprise a first drive axle and a second drive axle coupled to the vehicle chassis and arranged near the rear. The first drive axle may comprise a first axle housing, a first drive wheel rotatably supported by the first axle housing, and a first electric machine operably coupled to the first drive wheel through a first power path, the first power path including a first gear reduction. The second drive axle may comprise a second axle housing, a second drive wheel rotatably supported by the second axle housing, and a second electric machine operably coupled to the second drive wheel through a second power path, the second power path having no speed change.
Owner:HYZON MOTORS USA INC

Winding method of annular inductance coil and winding machine

The invention discloses a winding method and a winding machine for an annular inductance coil, and particularly relates to the technical field of inductance coil winding, the winding machine comprises a base, a winding mechanism is fixedly mounted in the middle of the top end of the base, a positioning mechanism is fixedly mounted at the top end of the base, and an auxiliary mechanism is fixedly mounted on the side, close to the positioning mechanism, of the top end of the base; a wire inlet mechanism is fixedly mounted at the top end of the winding mechanism; the winding mechanism comprises two first longitudinal frames which are symmetrically distributed, driving wheels are rotatably mounted at the tops and the middles of the first longitudinal frames, a coil winding frame is movably clamped among the four driving wheels, and an opening is formed in the bottom of the coil winding frame. And the positioning mechanism is used in cooperation to perform roller type positioning on the annular structure, and the auxiliary mechanism is used in cooperation, so that the wire can be automatically and uniformly wound on the outer side of the annular structure, the winding efficiency of the annular structure is improved, and potential safety hazards are reduced.
Owner:乐清市精意线圈有限公司

Electric wagon and electronically power assisted wagon

Provided are an electric wagon and an electronically power assisted wagon. The electric wagon includes a wagon body including at least a foldable frame; a handle device connected to the wagon body; a walking assembly including at least driving wheels; a drive motor configured to drive the driving wheels to rotate; a power supply connection portion configured to be detachably connected to a battery pack for supplying power to the drive motor, and a controller electrically connected to at least the drive motor to control the drive motor to rotate.
Owner:NANJING CHERVON IND

A pipe gear rolling machine and gear rolling method

The present invention discloses a pipe gear rolling machine and a gear rolling method, which belong to the technical field of pipe processing. The pipe gear rolling machine includes a pipe conveying mechanism, a gear rolling main machine and a through-rod conveying mechanism. The pipe conveying mechanism includes a pipe conveying frame, a pusher assembly arranged on the pipe conveying frame and a plurality of pipe roller assemblies arranged along the length direction of the pipe conveying frame. The pusher assembly includes a push rod and a push rod driving mechanism. A follower pipe head is rotatably arranged on the push rod, and a ring table is arranged on the follower pipe head. The push rod driving mechanism includes a driving wheel, a driven wheel, a synchronous belt and a push rod driving motor, and the push rod driving motor is connected to the driving wheel through a clutch. The push rod of the present invention can push the pipe to be loaded, the through-rod can support the pipe, and the pipe can maintain the insertion fit with the push rod when the pipe is discharged. The push rod is passively pushed back from the pipe, which reduces or even avoids the jumping, noise and the throwing out of the cutting fluid in the pipe during the processing and discharge of the pipe, thereby ensuring the tooth rolling quality of the pipe.
Owner:MOON ENVIRONMENT TECH CO LTD

Omnidirectional intelligent mobile forklift control system

The invention relates to the technical field of warehouse logistics equipment, and discloses an omni-directional intelligent mobile forklift control system. The system comprises a dynamic path planning module, an omnidirectional motion control module, a load stability monitoring module, an environment adaptive adjustment module and an intelligent obstacle avoidance decision module. The dynamic path planning module collects storage environment multi-dimensional spatial data and constructs a dynamic environment topological map; the omni-directional motion control module analyzes driving wheel parameters based on the map and generates an omni-directional motion composite motion instruction set; the load stability monitoring module collects a fork pressure distribution matrix and a cargo gravity center offset according to an instruction set, and calculates a stability compensation parameter; the environment adaptive adjustment module fuses illumination and slope data to generate a motion control constraint condition; and the intelligent obstacle avoidance decision module predicts a dynamic obstacle trajectory, outputs an obstacle avoidance path re-planning instruction and updates a map. The system can meet the requirements of modern intelligent warehousing.
Owner:ANHUI SPECIAL EQUIP INSPECTION INST

Cleaning robot

Cleaning robot, characterized by the fact that it includes: a machine body, the bottom of which is provided with a drive wheel and a universal wheel assembly, wherein the universal wheel assembly is arranged near a front end of the machine body in a forward direction of the machine body; an obstacle overcoming mechanism that is movably connected to the machine body, wherein the obstacle overcoming mechanism is configured such that that he can lift the front end of the machine body to at least separate the universal wheel assembly from a cleaning surface; the universal wheel assembly comprises a mounting seat and a universal wheel on the mounting seat; a chassis of the machine body has a boundary cavity, wherein the boundary cavity has a fixed height in a vertical direction of the machine body and has an upper wall and a lower wall; the mounting base is embedded in the boundary cavity; and at least one elastic element, one end of which is located on the upper wall and the other end of which is located on the mounting base; wherein, in a non-falling state, the mounting seat of the universal wheel assembly rests against the bottom wall under the influence of a compression amount of the second elastic element, wherein a spring force generated by the compression amount is greater than or equal to a gravitational force acting from the machine body on the universal wheel assembly; wherein a floating play exists between the mounting seat and the cover wall, and wherein the mounting seat presses the second elastic element to float against the cover wall under the influence of an impact force from the cleaning surface when falling, when the universal wheel assembly is in the falling state.
Owner:DREAM INNOVATION TECH (SUZHOU) CO LTD

Vehicle anti-skid control method, device and system and vehicle

The invention provides a vehicle anti-skid control method, device and system and a vehicle. According to at least one driving wheel of the vehicle, the chassis wheel speed, the actual wheel speed, the wheel end actual torque, the adhesion coefficient, the total wheel load, the target slip rate, the wheel radius and the vehicle speed are obtained; a feedforward control torque is determined according to an attachment coefficient, a total wheel load and a wheel radius, a wheel speed deviation is determined according to a target slip rate, a chassis wheel speed and an actual wheel speed, a torque deviation is adjusted through a vehicle speed, the attachment coefficient and the wheel speed deviation to obtain a feedback control torque, and the feedback control torque and the attachment coefficient are superposed to serve as an output torque for vehicle anti-skid control. Dynamic wheel load changes and wheel load changes caused by the vehicle on the ramp road surface are considered, the total wheel load is estimated in real time, feed-forward control is introduced to obtain the feed-forward control torque, feedback control is compensated, and the stability and accuracy of anti-skid control are enhanced when the ramp road surface and the loads change.
Owner:CHENGDU CELIS TECH CO LTD

Stability control method and system for electric automobile

The invention relates to the technical field of electric vehicle control, and discloses a stability control method and system for an electric vehicle, and the method comprises the steps: collecting vehicle driving data in real time, and dynamically estimating the state parameters of the vehicle through an unscented Kalman filtering algorithm; according to the state parameters of the vehicle, combined with the kinematic model and the foresight trajectory, the expected yawing moment in a short time in the future is calculated, and the longitudinal traction requirement of the vehicle is obtained; and according to the state parameters of the vehicle and the longitudinal traction requirement of the vehicle, the yawing moment and the traction force are decoupled and distributed to the four electric driving wheel ends, and stable control over the electric vehicle is achieved. Compared with a traditional stable control system only based on closed-loop feedback, the stable control system has the advantages that the control response is faster, the yawing intervention is more accurate, and better control performance and vehicle safety are shown under the low-adhesion road surface and high-load working conditions.
Owner:JIAXING UNIV +1

Modular robotic service vehicle

The application discloses a modular robotic service vehicle (MRSV) including a chassis and body comprising one or more robotic arms and robotic legs with drive wheel providing stepping, walking and driving capability to transport passengers and / or cargo and a control system comprising kinematics equations providing real-time administration involving controlling one or more robotic legs and / or robotic arms to transition in a retracted position and / or in protracted position for achieving walking, driving, attaining and handling objects. Accordingly, an operator or a Network associating with providing real-time administration involving controlling motion and position of the MRSV according to an assignment relative for walking, driving, attaining and handling objects, and aiding or assisting a user.
Owner:GILLETT CARLA R

Steel structure welding equipment with automatic positioning function

The invention relates to the field of welding, in particular to steel structure welding equipment with an automatic positioning function, which comprises a fixed ring I, an electric control guide rail, a cylinder, an electric push rod I, a sliding ring, a fixed ring II and the like, the first fixing ring is fixedly connected with an electric control guide rail. The electric control guide rail is rotationally connected with a cylinder through a sliding block. The cylinder is fixedly connected with a plurality of electric push rods I; telescopic parts of all the electric push rods are jointly and fixedly connected with a sliding ring; the sliding ring is rotationally connected with a second fixing ring. The two steel pipes in butt joint are fixed through the electric driving wheels on the first fixing ring and the second fixing ring, the first fixing ring, the cylinder and the second fixing ring are concentrically arranged, all the electric driving wheels jointly center and clamp the two steel pipes, and then the laser welding head is controlled to rotate for welding. During welding, deviation between the steel pipes can be effectively avoided, and the welding quality of butt joint of the steel pipes is improved.
Owner:JULU WANTE CONSTR TECH CO LTD

Intelligent connection equipment for strip-shaped products and connection method of intelligent connection equipment

The invention relates to the technical field of automatic cutting and receiving equipment, and discloses intelligent connection equipment for strip-shaped products and a connection method of the intelligent connection equipment. The intelligent connection equipment for the strip-shaped products is provided with a rack, and a discharging module, an automatic receiving module, a small buffering module and a control system for controlling the whole equipment to operate are sequentially arranged on the rack along a product advancing route. The automatic material receiving module comprises a welding moving platform, and a laser module, a tailing clamping jaw, a waste clamping module, a material stabilizing module, a driving wheel module and a reversing guide wheel are sequentially arranged on the welding moving platform along a product advancing route. The connection equipment is high in automation degree, intelligent identification and parameter switching can be carried out on different products, meanwhile, automatic connection quality detection and automatic reconnection after NG can be achieved, a production line is not stopped, and the efficiency is improved by 80%; after the products are automatically connected, the head and tail loss of the products is reduced; the joint removing procedure and cost of a rear-end automatic machine are reduced; meanwhile, human resources are saved.
Owner:SUZHOU SELECTIVE PLATING ENG CO LTD

Shell assembly and cleaning equipment

The utility model provides a shell assembly and cleaning equipment. The shell assembly comprises a base body, the base body is provided with a mounting bin, a mechanical arm of the cleaning equipment can be folded and stored in the mounting bin, the mounting bin is provided with a bin opening, and the base body is further provided with a mounting groove used for mounting a driving wheel assembly of the cleaning equipment; the door body can move relative to the base body so as to open or close the bin opening. Therefore, after the bin opening is closed by the door body, the mounting bin is relatively closed, the possibility that the mechanical arm in the mounting bin is polluted by dust in the external environment and wetted by liquid can be reduced, the service life of the mechanical arm is prolonged, and the overall reliability of the cleaning equipment is improved.
Owner:BEIJING ROCKROBO TECH CO LTD

Ship surface spraying device

The invention provides a ship surface spraying device. The ship surface spraying device comprises a lifting driving source, a lifting transmission mechanism, a movable walking chassis assembly, a plurality of equipment rooms, a tower, a control tower capable of being installed on the tower in an up-down moving mode, a telescopic arm capable of stretching out and drawing back horizontally and spraying equipment. The walking chassis assembly comprises a walking chassis and a pair of driving wheels installed on the walking chassis in the walking direction perpendicular to the walking chassis, each driving wheel comprises a walking driving source installed on the walking chassis and a rotatable driving wheel body, and the walking driving sources are in transmission connection with the driving wheel bodies. The walking driving sources of the two driving wheels are mutually independent; the multiple equipment rooms, the lifting driving source and the tower are all fixedly installed on the top of the walking chassis, the lifting driving source is in transmission connection with the control tower through the lifting transmission mechanism, the inner end of the telescopic arm is installed on the control tower, and the spraying equipment is installed at the outer end of the telescopic arm. According to the spraying equipment, automatic spraying operation on the outer surface of the ship is achieved, and the spraying efficiency is high.
Owner:上海海桓科技有限公司

Anti-seepage detection device for municipal road drainage pipeline

The utility model belongs to the technical field of pipelines, and particularly relates to an anti-leakage detection device for a municipal road drainage pipeline, which comprises a body, sealing structures are symmetrically arranged on two sides of the body, and the sealing structures can be attached to the inner wall of a drainage pipe; the driving wheel is arranged below the body and is used for driving the device to move in the drainage pipe; the air supply assemblies are arranged on the two sides of the body and used for sealing air pressure between the structures; the auxiliary structures are uniformly distributed at the outer end of the sealing structure in the circumferential direction and are symmetrically arranged front and back; wherein an air pressure sensor is arranged on the body and used for detecting the air pressure between the sealing structures when the device works. The effects of improving the detection accuracy and avoiding the missing detection phenomenon are achieved.
Owner:ZHEJIANG SOUTH ENG CONSULTING MANAGEMENT CO LTD

One pedal rocking to free an electric vehicle from a stuck condition

A “one-pedal rocking mode” for extricating an electric vehicle from a stuck condition is implemented by: receiving, via a human-machine interface (HMI) of the electric vehicle, an indication of a user selection to activate the one-pedal rocking mode; operating the electric vehicle in the one-pedal rocking mode responsive to detecting movement of an accelerator pedal of the electric vehicle; controlling at least one electric motor of the electric vehicle to: (i) apply a forward torque to corresponding drive wheels when the accelerator pedal is in a first pedal position that exceeds a forward threshold, (ii) apply a reverse torque to the corresponding drive wheels when the accelerator pedal is in a second pedal position that is less than or equal to the forward threshold; and exiting the one-pedal rocking mode by switching operations of the electric vehicle to a second operating mode responsive to detecting an exit condition.
Owner:SCOUT MOTORS INC

Explosion-proof three-phase asynchronous motor having efficient heat dissipation function

The present invention relates to the technical field of three-phase asynchronous motors. Disclosed is an explosion-proof three-phase asynchronous motor having an efficient heat dissipation function, comprising an electric machine. An air outlet end and an air inlet end are respectively provided at the upper end and the lower end of the electric machine; an air inlet fan is mounted in the middle of the air inlet end; a filter screen is provided on the outer side of the electric machine; heat dissipation fins are provided on one side of the filter screen; scraping plates are provided at the upper end of the electric machine; notches are formed in two sides of each scraping plate, and the notches in one side are attached to the heat dissipation fins; an air guide plate is mounted at the upper end of the air outlet end; driving wheels are mounted at the upper end of the air guide plate; and the outer walls of the driving wheels are attached to the heat dissipation fins. According to the present invention, on the basis of the principle that hot air actively moves upwards, an upward airflow is formed inside the electric machine, accelerating the dissipation of heat generated during the operation of the electric machine, and unidirectional airflows are simultaneously formed both inside and outside the electric machine, further improving the heat dissipation efficiency of the electric machine.
Owner:SHANGHAI DASHU TECHNOLOGY CO LTD

Sampling device for monitoring pollution of soil and groundwater

The invention discloses a sampling device for soil groundwater pollution monitoring, and relates to the field of water sampling, the sampling device comprises a top plate fixedly mounted at the top of a bottom plate through two side plates, and also comprises a mounting plate arranged between the two side plates through a lifting mechanism and capable of longitudinally sliding, the lifting mechanism comprises a driving wheel and a driven wheel which are fixedly mounted at the tops of the two lead screws respectively and are driven through a belt, soil sampling assemblies are arranged at the top and the bottom of the mounting plate, each soil sampling assembly comprises an auger movably mounted at the top of an inner cavity of the sampling barrel, and a water taking assembly is fixedly arranged at the bottom of each auger. According to the equipment, the second water inlet hole is blocked by the sleeve, a large amount of soil is prevented from entering the sampling cavity during drilling and interfering with water quality monitoring data, the accuracy of monitoring numerical control is improved, meanwhile, the clamping block is clamped in the first water inlet hole, it is avoided that the soil is blocked in the first water inlet hole during drilling, and it is avoided that the first water inlet hole is blocked when underground water is collected; and underground water cannot enter the sampling cavity.
Owner:江苏环保产业技术研究院股份公司

Automatic pool cleaning device

An automatic pool cleaning device. The automatic pool cleaning device includes a traveling mechanism for driving the automatic pool cleaning device to travel, the traveling mechanism including a driving wheel; a cleaning component for cleaning the pool and / or the water in the pool, the cleaning component including a first cleaning component; a first transmission mechanism coupled with the traveling mechanism and the first cleaning component, the first transmission mechanism including a power transmission gear, the power transmission gear for transmitting a driving force to the driving wheel and the first cleaning component to drive the traveling mechanism to travel and drive the first cleaning component to rotate respectively.
Owner:AIPER GLOBAL PTE LTD

Intelligent mower and intelligent control system

The invention belongs to the technical field of weeding equipment, and particularly relates to an intelligent mower and an intelligent control system.The intelligent mower comprises a chassis, an embedded controller, a cutterhead lifting assembly, a hard object detection assembly and an infrared obstacle avoidance assembly, and the embedded controller, the cutterhead lifting assembly, the hard object detection assembly and the infrared obstacle avoidance assembly are arranged on the chassis; a driving wheel and a steering wheel are arranged on the chassis, the cutter head lifting assembly comprises a blade, the blade can ascend and descend, the hard object detection assembly is arranged on the lower portion of the front end of the chassis, and the infrared obstacle avoidance assembly is arranged on the upper portion of the front end of the chassis. Hard objects on a path are detected through the hard object detection assembly, the blade is lifted through cooperation with the lifting assembly so that the blade can avoid the hard objects and cannot be clamped or damaged, obstacles on the path are detected through the infrared sensor, and obstacle avoidance of the whole machine is achieved through cooperation with the walking module and the steering module. The image processing module can identify an untrimmed area on the lawn, and the navigation positioning module is matched to realize no-dead-corner trimming of the lawn.
Owner:SUZHOU SHENGLEI POWER MASCH CO LTD

Automatic wire threading method and device for wire cutting

The invention relates to the field of linear cutting machine tools, and provides a linear cutting automatic wire threading method and device.The linear cutting automatic wire threading method is characterized by comprising the steps that a lead pipe moving detection wheel with the rotating speed detection function and a lead pipe driving wheel are adopted to control a lead pipe to move up and down from the lower portion of the lead pipe; when downward movement of the lead pipe is blocked, the lead pipe is controlled to ascend by a certain height and rotate by a certain angle to descend, so that the lead pipe is prevented from being damaged, and the success rate of the lead pipe penetrating through the wire penetrating hole is increased; two circular guide nozzles with variable-diameter semicircular grooves in the outer edges are adopted to rotate, a circular hole guide lead pipe and a guide molybdenum wire with the diameter of the lead pipe and the diameter of the molybdenum wire are formed, the position can be updated after the grooves forming the circular hole of the guide molybdenum wire are abraded, and the service life of the circular guide nozzles is prolonged; the automatic threading device is characterized by comprising a mounting plate, a self-protection lead tube driving device, a lead tube rotation driving device and a variable-diameter grooved wheel type guide nozzle, the failure rate of an automatic threading machine tool is reduced, the success rate of automatic threading is increased, and the service life of the guide nozzle is prolonged.
Owner:胡忠权

Motor-driven tractor-semitrailer driving stability control method

The invention discloses a motor-driven tractor-semitrailer driving stability control method which comprises the following steps: firstly, establishing a tractor-semitrailer three-degree-of-freedom dynamic model, and solving yaw velocity expected values and side slip angle expected values of a tractor and a semitrailer according to driver input and actual vehicle states; secondly, according to the deviation between the expected value and the actual value of the vehicle state quantity, an upper-layer controller outputs the expected additional yaw moment, and the adaptive capacity to the parameter change of the semitrailer is achieved; the lower layer controller then outputs a torque on each wheel according to the desired additional yaw moment and the vehicle state, including a driving torque on the driving wheel and a braking torque on all wheels. By the adoption of the method for controlling the running stability of the motor-driven tractor-semitrailer, unstable working conditions such as rollover and folding of the tractor-semitrailer in the running process can be avoided, the running stability is improved, and meanwhile the method has the self-adaptive capacity for load changes of the semitrailer.
Owner:HUAZHONG UNIV OF SCI & TECH

Textile roller packaging and conveying device for textile processing

The invention belongs to the technical field of conveying devices and relates to the technical field of conveying devices. The conveying devices comprise a bottom frame, a frame is fixedly connected to the top of the bottom frame, a discharging assembly is fixedly installed on the frame, groove bodies are symmetrically formed in the frame, supporting plates are fixedly installed in the groove bodies, conveying belts are arranged on the supporting plates in a surrounding mode, and driving wheels are symmetrically arranged in the groove bodies. The two driving wheels are in transmission connection through a conveying belt, a driving mechanism for driving the conveying belt to move is arranged on the frame, and supporting blocks are arranged on the conveying belt in an array mode. In particular to a textile roller packaging and conveying device for textile processing, according to the textile roller packaging and conveying device for textile processing, the stability of a textile roller can be improved through an arranged negative pressure head, the textile roller can be conveniently and stably conveyed, a negative pressure state is formed in a negative pressure box, and when one end of the textile roller moves into a groove, the textile roller can be conveniently conveyed. And the negative pressure head can be attached to the spinning roller, and negative pressure can be generated to limit the position of the spinning roller, so that the stability of the position of the spinning roller is improved.
Owner:JIANGSU LIJIN TEXTILE TECH CO LTD