3824 results about "Lawn mower" patented technology

The invention belongs to the technical field of intelligent equipment fault diagnosis, and particularly relates to a motor fault real-time diagnosis method and system based on LSTM and random forest. The method comprises the steps that a vibration signal, a current signal and a temperature signal of a motor are collected and preprocessed; performing feature engineering, extracting time domain, frequency domain, time-frequency domain and cross-modal correlation features, and determining an optimal static feature subset through a hybrid screening strategy; constructing a hybrid fault prediction model comprising a random forest model and an LSTM sequential network model; fusing prediction results of the two models by adopting a dynamic credibility weighted fusion mechanism; and performing real-time decision and hierarchical feedback control based on a fusion result. According to the method, advantages of multi-source information and the model are fused, the classification precision of the lag type is remarkably improved, real-time fault diagnosis and active protection are realized, the equipment maintenance cost is reduced, and the method is suitable for motor health management of intelligent agricultural equipment such as mowers.

A implement system for powersport vehicles have implements attachable to the powersport vehicles. The implements have a modular electric motor unit that may be toollessly attached to the implement providing operational power to the implement. A mower implement has a mower deck and a suspension assembly that provides a forward rearward pivot axis and a left right pivot axis when hitched to the powersport vehicle. A receiving region for the electric motor unit is positioned in the suspension assembly. The mower deck may be rotated about the left right pivot axis to an upright position and latched at the position. The single motor in the receiving region connecting to three mower blade pulleys for rotating three mower blades by the one electric motor unit utilizing a pulley system.

The invention discloses a method for a mowing robot to move along a lawn boundary based on a local grid map, and relates to the field of mowing robot edge navigation movement, and the method comprises the steps: recognizing a target region and an obstacle region through a semantic segmentation algorithm, constructing a dynamically updated local grid map through the combination of improved inverse perspective transformation and depth point cloud information, and carrying out the navigation of the target region and the obstacle region; no physical boundary dependence is realized, the deployment cost is reduced, and the real-time processing efficiency of acquired images can be improved; according to the local grid map, the edge navigation deflection angle is calculated through lawn boundary feature extraction in combination with the position of the robot, precise navigation of the robot along the lawn boundary is achieved, rapid response of dynamic obstacles is supported, and the edge movement precision and operation efficiency of the mowing robot are remarkably improved. The problems that an existing mowing robot is low in edge movement precision and poor in operation efficiency due to the fact that an edge track cannot be decided in real time and calculation efficiency cannot be considered at the same time are solved.

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.

An implement system for powersport vehicles (100) have implements (124) attachable to the powersport vehicles (100). The implements (124) have a modular electric motor unit that may be toollessly attached to the implement providing operational power to the implement (124). A mower implement has a mower deck and a suspension assembly that provides a forward rearward pivot axis and a left right pivot axis when hitched to the powersport vehicle. A receiving region for the electric motor unit is positioned in the suspension assembly. The mower deck may be rotated about the left right pivot axis to an upright position and latched at the position. The single motor in the receiving region connecting to three mower blade pulleys for rotating three mower blades by the one electric motor unit utilizing a pulley system.

A push mower includes a body including at least a traveling assembly, a traveling motor driving the traveling assembly, a cutting assembly, and a cutting motor driving the cutting assembly; a handle device connected to the body and including at least an operating member for a user to operate; a controller configured to control at least the working states of the traveling motor and the cutting motor; and a power interface for connecting a power supply energy capable of supplying power to at least the traveling motor and the cutting motor. The traveling motor is drivable by an external force to generate a motor energy. The controller is configured to, when the traveling motor generates the motor energy, cut off an electrical energy transmission path of the traveling motor.

The invention provides an intelligent mower and a control method thereof, and belongs to the technical field of intelligent mowers. The intelligent mower comprises a machine body; and the first cutter head is provided with a cutting edge which is a metal piece. The first cutterhead is located at the first position or the second position. The first position is that at least part of the first cutterhead is located outside the orthographic projection of the machine body towards the ground. The second position is that the first cutter head is located in the orthographic projection of the machine body towards the ground, and the minimum horizontal distance from the outer side edge of the cutting edge to the outer side edge of the machine body is larger than or equal to 0 and smaller than or equal to 50 mm. Under the condition that the intelligent mower is in a mowing working state and grass is not clamped, the rotating speed of the first cutter head ranges from 1800 revolutions per minute to 3500 revolutions per minute. The detection device is used for detecting biological information, and the intelligent mower is used for executing safety protection actions according to the biological information. According to the intelligent mower, the low grass retaining rate can be guaranteed while the edges are cut, the working decibel of the intelligent mower is low, and the service life of the cutter head is long.

A lawn mower includes a blade assembly configured to perform a cutting function. The blade assembly includes an upper blade mounted about a blade rotation axis and an upper blade proximal portion being substantially flat and including a first cutting edge. A lower blade is mounted in overlap with the upper blade about the blade rotation axis. The lower blade includes a lower blade proximal portion positioned outward from the lower blade mounting portion in a radial direction, a lower blade end portion positioned outward from the lower blade proximal portion and below the lower blade proximal portion, and a second cutting edge. A lower blade falling portion transitions from the lower blade proximal portion to the lower blade end portion.

A string trimmer attachment assembly for a lawn mower includes a deck attachment mount; a turret mounted to the deck attachment mount about an axis; a trimmer head; a first arm mountable to the turret, the first arm adjustable along a first axis; a second arm mountable to the trimmer head, the second arm adjustable along a second axis; and a coupling to connect the first arm and the second arm such that the second arm is transverse to the first arm.

The utility model provides a mowing robot. The mowing robot comprises a main body bracket, two omnidirectional wheels, two driving wheels, four driving motors and a driving control system, the main body bracket comprises a first end and a second end; the first end and the second end are oppositely arranged; the two omnidirectional wheels are arranged at the first end; the two driving wheels are arranged at the second end; the rated powers of the four driving motors are the same; the four driving motors are arranged in one-to-one correspondence with the two omnidirectional wheels and the two driving wheels; each driving motor is connected with the corresponding omnidirectional wheel and drives the omnidirectional wheel to rotate or is connected with the corresponding driving wheel and drives the driving wheel to rotate; the driving control system is used for being connected with the four driving motors and controlling the rotating speed of the two omnidirectional wheels and the rotating speed of the two driving wheels by controlling the input currents of the four driving motors. Therefore, the four driving motors with the same rated power are adopted, the situation that the grass is deep, the resistance is large, and consequently slipping occurs can be overcome, and the advancing speed of the mowing robot is guaranteed.

A riding lawn mower, including: a frame; a seat; a walking assembly and a walking motor; a cutting assembly and a driving motor configured to drive the cutting assembly; a first energy storage device configured to supply power to at least one of the walking motor or the driving motor, the first energy storage device detachably mounted to the frame and enabled to supply power to a handheld power tool when detached from the riding lawn mower; and a second energy storage device configured to supply power to at least one of the walking motor or the driving motor; wherein a ratio of a total energy of the second energy storage device to a total energy of the first energy storage device is greater than or equal to 2 and less than or equal to 20.

The present application discloses an electric mower. The electric mower is provided with a plurality of mowing motors, and a control device for controlling the plurality of mowing motors to operate. The control device can adaptively determine, on the basis of an actual load of each mowing motor, operating parameters required by each corresponding mowing motor, and further, after the operating parameters of each mowing motor are determined, configure a different weight for each mowing motor on the basis of a traveling direction and grass discharging, and comprehensively configure the operating parameters for each mowing motor again, so that each mowing motor is suitable for a corresponding load so as to save energy consumption, and meets grass discharging requirements so as to avoid the stall of each mowing motor or the blockage of a grass discharging port.

A heatsink for cooling an electric component of a power equipment can include a plurality of convective surfaces spaced away from and overlapping each other, and a first rivet connecting the convective surfaces to each other. The power equipment can be a lawnmower, a snow blower, a pressure washer, a tiller, a hedge trimmer, a string trimmer, a power saw, a fluid pump, a portable cooler, an E-Bikes and a scooter.

The embodiment of the invention provides a hay mower control method, a hay mower, a computer program product and a storage medium, and the method comprises the steps that in the hay mowing process of the hay mower, idling detection is carried out on a hay mowing motor of the hay mower, the hay mowing motor is a motor used for controlling a hay mowing part of the hay mower to rotate, and the hay mowing part is used for controlling the hay mowing part of the hay mower to rotate; when it is detected that the mowing motor idles, a target position area corresponding to the idling time period is determined, the idling time period is the time period when the mowing motor idles, and the target position area comprises a position area where the mowing machine passes within the idling time period; and under the condition that the lawn area which is not cut exists in the target position area, the mower is controlled to perform supplementary cutting on the lawn area which is not cut in the target position area, so that the problem of poor accuracy of mowing missing detection of the mower in a mower control method in the related technology is solved, and the mowing missing detection accuracy of the mower is improved. The effect of improving the accuracy rate of mowing missing detection of the mowing machine is achieved.

A robot body (100), comprising: a housing (10) and a plurality of functional modules detachably mounted on the housing (10). The plurality of functional modules comprise a driving wheel module (20) used for driving the housing (10) to move, a driven wheel module (30) used for following the movement of the housing (10), a collision module (40) used for performing collision detection, and a cutting module (50) used for mowing. When the functional modules on the robot body require repair or replacement, the functional modules can be individually removed for replacement or repair, thereby reducing the overall maintenance difficulty of the robot body. Also provided is a mowing robot.

A mower includes a main machine including a mowing element configured to implement a mowing function of the mower and a chassis configured to accommodate at least part of the mowing element, where the chassis is formed with an airflow channel, and the airflow channel includes a grass discharge port disposed at a rear end of the main machine; and a grass discharge assembly configured to implement a grass discharge function. The grass discharge assembly includes a body configured to guide grass clippings out of the grass discharge port; and a connecting portion configured to connect the grass discharge assembly to the main machine. The body includes a top wall baffle and a side wall baffle, and the top wall baffle and the side wall baffle are connected so that the body is basically in an inverted L shape.

The invention provides an installation position recommendation method of a courtyard intelligent sprinkler and a mower control method, and relates to the technical field of sprinklers. The method comprises the following steps: acquiring information of a vegetation coverage area, a movement limited area and a non-movement limited area based on a courtyard map, and performing quantitative judgment on geometric features of the movement limited area to realize accurate identification of a narrow traffic area; when the recommended installation position is determined, the range of the inner side of the movement limited area is excluded, and meanwhile the effective spraying area which can be covered by the installation position of the sprinkler can be maximized. According to the technical scheme, hindering of installation of the sprinkler on a mower or a user passing path can be avoided, and reasonable distribution of water resources can be guaranteed; meanwhile, in combination with the sprinkling irrigation coverage range and lawn mower path planning, cooperative operation of the courtyard intelligent sprinkling irrigation system and the lawn mower is achieved, and the overall efficiency and the intelligent degree of courtyard automation equipment in the operation process are improved.

A processing system is for a motorized mobile system that provides powered mobility to one or more users. The motorized mobile system may consist, for example, of one or more of a mobile chair, a mobility scooter, an electronic conveyance vehicle, a riding lawn mower, a grocery cart, an all-terrain vehicle, an off-road vehicle, and a golf cart. The processing system comprises at least one sensor to measure one or more kinematic states of an object proximate to the motorized mobile system and at least one processor to use at least one object kinematic model as at least one state estimator. The at least one processor predicts a first kinematic state estimate of the object at a first time based on a prior knowledge of state for the object. The at least one processor uses the first kinematic state estimate of the object at the first time and a measured kinematic state observed by the sensor at a second time to determine a second kinematic state estimate of the object at the second time, wherein the first time is less than the second time. The at least one processor outputs the first kinematic state estimate at the first time from the object kinematic model for use by at least one other process of the motorized mobile system, wherein the at least one other process causes one or more actions to be taken by the motorized mobile system based on the first kinematic state estimate of the object at the first time. The at least one processor uses the second kinematic state estimate at the second time as an input to the object kinematic model to predict another kinematic state estimate of the object.

The utility model provides a cutting device of a mowing machine and the mowing machine, and the cutting device of the mowing machine comprises a connecting piece which is connected to a rotating shaft and rotates along with the rotating shaft; the cutterhead assembly comprises a cutterhead support and one or more blades arranged on the cutterhead support; and the locking piece penetrates through the cutterhead support to be connected with the connecting piece, so that the cutterhead assembly is connected to the connecting piece in a matched mode, and the cutterhead assembly synchronously rotates along with the connecting piece. The mower comprises a motor with a motor shaft and a cutting device mounted on the motor shaft. The maintenance cost of the cutting device can be reduced.

Provided in the embodiments of the present application are a mowing robot positioning method and apparatus, and an electronic device and a readable storage medium. The method comprises: during an operation process of a mowing robot, collecting corresponding data by means of a wheel speed meter, an inertial positioning apparatus and an image sensing device, which are arranged on the mowing robot; analyzing collected wheel speed meter data to obtain a first residual term, analyzing inertial positioning data to obtain a second residual term, and analyzing image data to determine a third residual term; and using the first residual term, the second residual term and the third residual term to construct a cost function, and obtaining the current location information of the mowing robot by means of minimizing the cost function. In the present application, tight coupling is performed, by means of the method, on pieces of data which are collected by a plurality of sensors, thereby facilitating an improvement in the accuracy of a positioning result of a mowing robot.

The utility model relates to the technical field of mowers, in particular to a lawn mower. The problem that in the prior art, it is difficult for a mowing machine to have the thick plant cutting capacity and the cutting capacity in a lawn with hard objects at the same time is solved, and the practicability of the equipment is improved. The cutting device structurally comprises a mounting base, a rotating base is rotationally connected to the mounting base, the cross section of the rotating base is of a circular structure, and a plurality of mounting structures used for mounting cutting ropes are evenly distributed on the rotating base in the circumferential direction of the center axis of the rotating base; a sliding structure used for enabling the cutting blades to be away from or close to the rotating base is arranged between the rotating base and the cutting blades, and a control structure used for controlling the cutting blades to be away from or close to the rotating base at the same time is further arranged on the rotating base. The lawn mower can be matched with more types of lawns to complete cutting operation, and the application range of the lawn mower is wider.

The utility model relates to a mowing machine cutter head structure which comprises a cutter head body, the cutter head body comprises a cutter head top wall and a cutter head peripheral wall formed by extending downwards from the edge of the cutter head top wall, and a cutting space is formed by the cutter head top wall and the cutter head peripheral wall; at least one mounting opening is formed in the top wall of the cutter head at intervals, a power driving assembly is arranged in the mounting opening, and a cutting blade is connected to the power driving assembly and located in the cutting space; a grass discharging opening is formed in one side of the peripheral wall of the cutter head, and the axial direction line of the grass discharging opening is located on the tangential direction line of rotation of the cutting blades. The straw discharging device has the effect of improving the straw discharging flow.

The invention belongs to the technical field of mowing machines, and particularly discloses a wheel-foot combined type all-terrain mowing machine and an active obstacle crossing control method thereof.The mowing machine comprises a rack, a mowing device is installed on the rack, four bionic feet are installed on the rack, each bionic foot comprises a thigh part, the first end of each thigh part is hinged to the rack, and the second end of each thigh part is hinged to the rack; the second ends of the thighs are hinged to the shank parts, walking wheels are rotationally installed at the ends, away from the thighs, of the shank parts, thigh part driving devices are arranged between the rack and the thighs, shank part driving devices are arranged between the thighs and the shank parts, and walking wheel driving devices are installed on the shank parts. Through cooperative work of the bionic feet and the walking wheels, high-speed movement and complex terrain adaptability are both considered; dynamic adjustment of the mowing height can be achieved, the operation scene is expanded, and the mowing knife is protected against collision; according to the improved mower, manual intervention can be reduced, and the risk of equipment damage caused by complex terrain is reduced.

The embodiment of the utility model provides a position adjusting device and a mower. The position adjusting device comprises a supporting arm and a transverse guiding piece. One end of the supporting arm is connected with the transverse guiding piece, the cutting device is connected to the transverse guiding piece and comprises a cutter head, the cutting device moves in the length direction of the transverse guiding piece under the action of driving force, and the rotating speed of the cutter head in the first state is larger than or equal to the rotating speed of the cutter head in the second state. The first state is a state in which the cutting device is started after the movement action is executed, and the second state is a state in which the movement action is executed.

Low-noise electric lawnmowers comprise curved cutting blades. In some examples, a lawnmower comprises a driving unit and a mowing unit with a mowing-unit deck. The mowing-unit deck comprises a set of blade units (e.g., 3 units) and a discharge conduit. Each blade unit comprises a blade enclosure and a cutting blade with a cutting edge having a curved shape. For example, the cutting edge, at a point furthest away from the blade center axis, may form an approach angle of greater than 90° but be less than 90° closer to the blade center. This curving aspect allows operating the blade at lower rotating speeds (e.g., less than 3,000 RPM), which reduces the turbulence and noise. In some examples, the blade enclosure forms an enclosure tunnel such that the tunnel's cross-sectional area increases from the tunnel's inlet to the outlet.

A bracket system including a bottom bracket portion and a top bracket portion is disclosed. The bottom bracket portion may include a bottom arc-shaped member, and the top bracket portion may include a top arc-shaped member. The top bracket portion may be configured to attach with the bottom bracket portion via one or more fasteners. Further, the top arc-shaped member may include an L-shaped bracket member disposed at a top arc-shaped member's center portion. The top arc-shaped member may be configured to attach with an external elongated shaft via the L-shaped bracket member.

A mowing robot (10), comprising: a housing, comprising a first shell (21) and a second shell (11) connected to each other, wherein the second shell (11) and the first shell (21) are distributed up and down; an execution mechanism, provided on the first shell (21) and used for executing an action, the action comprising driving the housing to move and cutting; and a control module (12), provided on the second shell (11), electrically connected to the execution mechanism, and used for controlling the execution mechanism to execute an action. According to the mowing robot (10), a housing is divided into a second shell (11) and a first shell (21) which are independent of each other, an execution mechanism is provided on the first shell (21), and a control module (12) is provided on the second shell (11), so as to isolate heat sources of the execution mechanism and the control module (12), so that the impact of the heating amount of the execution mechanism on heat dissipation of the control module (12) is reduced by means of physical isolation, thereby suppressing the temperature rise of the control module (12).

A grooming device for striping lawns includes a cover. A roller drum is rotatably connected to the cover. A frame is connected to the cover and extends away from the cover. At least one clamp is configured to adjustably secure the frame to a handle of a lawn mower. A connector for securing accessories includes an inner shell and an outer shell. A clamp insert is removably secured within an insert cavity defined between the inner shell and the outer shell.

The multifunctional lawn mower comprises an oil tank, a first needle bed and a second needle bed, tufting needles are detachably installed at the bottom of the first needle bed and the bottom of the second needle bed, the first needle bed and the second needle bed are arranged in parallel in a front-back spaced mode in the front-back direction of the lawn mower, and a first needle seat is detachably installed on the rear side of the first needle bed; the front side of the first needle bed is detachably provided with a first needle bed, the front side of the second needle bed is detachably provided with a second needle bed, each first needle bed and each second needle bed are provided with a vertically-arranged tufting needle, the tufting needles on the first needle beds and the tufting needles on the second needle beds are arranged in a staggered mode in the width direction, and the first needle bed is driven by a third driving mechanism to do reciprocating transverse movement in the width direction; the second needle bed is driven by a fourth driving mechanism to do reciprocating transverse movement in the radial direction, and the oil tank is driven by an oil tank transverse movement mechanism to do reciprocating transverse movement in the front-back direction. Products with rectangular long-strip-shaped and square blocky lawn patterns can be produced, products with rhombus-shaped, heart-shaped and more lawn patterns in different shapes can also be produced, and the multi-pattern fancy lawn requirements of users can be met.

At present, a narrow channel formed in a lawn is usually bypassed, so that the narrow channel becomes a large cleaning leakage area in a cleaning task. The invention provides a mower and a control method thereof, and relates to the technical field of cleaning equipment.Under the condition that the mower advances according to a planned mowing path and reaches an entrance of a narrow channel, a detection device is controlled to detect the opening width of the narrow channel and the position information of the narrow channel; wherein the planned mowing path at least comprises a first mowing path and a second mowing path; passing through the narrow channel under the condition that the opening width of the narrow channel is greater than the passing size of the mower; wherein the passing size comprises a first passing size corresponding to the first mowing path and a second passing size corresponding to the second mowing path, so that the passing ability of the mower to a narrow channel is improved, and the cleaning coverage rate of a lawn is improved.