2767 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.

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.

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.

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 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.

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.

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 riding lawn mower comprising, a pair of rear drive wheels, a pair of front wheels, a deck positioned between the pair of front wheels and the pair of rear drive wheels, a rotatable cutting blade, and multiple battery packs removably coupled to the riding lawn mower and structured to provide power to the riding lawn mower, each battery pack graspable and removable by a user, wherein the multiple battery packs sequentially provide power to the riding lawn mower.

The utility model relates to the field of agricultural tools, and discloses a transmission assembly which comprises a driving part and a rotating part which are in transmission connection. The transmission part is at least arranged on one side of the rotating part; the connecting piece is connected with the rotating piece and the transmission piece. The first limiting piece comprises a first limiting structure and a second limiting structure, the first limiting structure is connected with the rotating piece in a matched mode, and the second limiting structure is connected with the transmission piece in a matched mode; when the rotating piece rotates in the first direction, the first limiting piece is in a locked state. When the rotating piece rotates in the second direction or stops rotating, the first limiting piece forms a disengaged state; in the locking state, the relative positions of the first limiting structure and the second limiting structure are locked, and the rotating piece drives the connecting piece and the transmission piece to rotate synchronously. And in the disengagement state, the first limiting structure and the second limiting structure are disengaged relative to each other, and the rotating piece can rotate independently. According to the transmission assembly, the gearbox and the mower, the automatic clutch function is added, and a user can push and pull the transmission assembly by himself / herself conveniently.

The invention relates to a collision detection method and device for a walking motor of a mowing robot. The method comprises the steps of collecting a current value, a speed value and a slope inclination angle of the walking motor of the mowing robot; calculating a current change rate Ax and a speed change quantity Vx; judging whether collision occurs or not; and when the collision is judged to occur, executing a recovery process to restart mowing. The device comprises an acquisition module, a calculation module, a judgment module and an execution module. The invention further relates to electronic equipment and a storage medium. By utilizing the collision detection method and device for the walking motor of the mowing robot, the electronic equipment and the storage medium, the problem that the walking control of the traditional mowing robot usually depends on detecting the current change of the walking motor or a Hall sensor to judge whether slipping or collision occurs or not can be solved; in the prior art, the attitude of the mower or the actual collision force cannot be accurately obtained, frequent shutdown caused by collision is easily misjudged, the operation is interrupted, and the work is difficult to complete; and excessive impact forces damage the lawn or the machine itself.

The utility model discloses a mowing machine cutter installation structure which comprises a rotating head, a coupler is arranged at the bottom end of the rotating head, a rotating ring is fixedly installed outside the coupler, a shifting rod assembly is arranged on the outer wall of one side of the bottom of the rotating ring, a hollow shaft is arranged at the bottom end of the coupler, and a plurality of through holes are formed in the outer wall of the bottom end of the hollow shaft. A limiting ball is arranged in the through hole, a limiting ring is fixedly installed on the outer wall of the hollow shaft, a reset spring connected to the outer portion of the hollow shaft in a sleeving mode is arranged on the limiting ring, the outer portion of the hollow shaft is sleeved with a constraint sleeve, and the constraint sleeve is in sliding connection with the limiting ring. According to the lifting lever assembly, sliding of the constraint sleeve outside the hollow shaft is achieved, constraint of the limiting ball to the shaft lever is relieved, the shaft lever can freely slide in the hollow shaft, the purpose of quick disassembly and assembly of a cutter at the bottom of the shaft lever is achieved, and great convenience is brought to people to replace the cutter of the mower.

Lawnmowers are provided. A lawnmower includes a first battery having a first voltage, the first battery mounted on the lawnmower; a second battery having a second voltage different than the first voltage, the second battery mounted on the lawnmower; and a booster configured to boost the second voltage to the first voltage, wherein the booster is connected to a common rail operating at the first voltage.

The invention discloses a hybrid range extender control method and system and an all-terrain hybrid range-extending mower, and belongs to the technical field of range extender control, and the method comprises the steps: predicting the required power generation amount of the operation according to historical operation data; obtaining the current battery electric quantity; and determining the working mode of the range extender according to the current battery electric quantity. Further, header required power is determined, required engine rotating speed is calculated, generator running rotating speed is obtained, the engine rotating speed is dynamically adjusted according to the running rotating speed, and stable running of the range extender is ensured. And if the rotating speed exceeds the highest preset value, the header is lifted to reduce the load. Through intelligent energy management and power control, the operation efficiency and reliability of the system are remarkably improved, fuel consumption and tail gas emission are reduced, and remarkable economic benefits and environmental friendliness are achieved.

A riding lawn mower includes a pair of rear drive wheels, a pair of front wheels, a deck positioned between the pair of front wheels and the pair of rear drive wheels, a rotatable cutting blade. a plurality of battery packs removably coupled to the riding lawn mower and structured to provide power to the riding lawn mower, and a battery management system configured to control a plurality of switching elements associated with the plurality of battery packs. The plurality of switching elements configured to control a current flow from each of the plurality of battery packs. The battery management system comprises a master battery management system configured to issue control commands to a plurality of slave battery management systems. Each of the plurality of slave battery management systems is configured to internally control operation of one of the plurality of battery packs.

The utility model provides a standing type mower which comprises a mowing assembly, a mowing assembly, a power supply assembly, a power supply assembly and a control assembly. The mowing assembly comprises a mowing element used for achieving a mowing function; the supporting part is used for supporting a user; the central control mechanism comprises an operation table for a user to operate; the walking assembly comprises a front walking wheel and a rear walking wheel and is used for supporting the standing type mower to run on the ground plane; the driving assembly comprises a first motor used for driving the walking assembly; the power supply device is arranged to be capable of supplying power to the first motor, and the power supply device comprises a plurality of battery packs; the power supply management system is arranged to be used for managing the power supply device, and the power supply management system comprises a power supply management board; the power management board extends along the first plane; the included angle alpha between the first plane and the plane where the chassis is located is larger than 0 degree and smaller than 90 degrees. By the adoption of the technical scheme, the standing type mower is compact in structure, and the power management board of the standing type mower is obliquely arranged, so that reasonable utilization of space is achieved.

The utility model discloses a device used for detecting parameters of a mowing robot, comprising a workbench and a mowing robot, the workbench is provided with a test platform, the mowing robot is installed on the test platform, the device also comprises three-axis electrical parameter modules, the two sides of the test platform are both provided with the three-axis electrical parameter modules, and the three-axis electrical parameter modules are connected with the test platform. The three-axis electrical parameter module is used for detecting information of a wheel set and a cutter head of the mowing robot. The wheel set information of the mowing robot can be collected through the self-resetting wheel speed measurement module, the cutter information of the mowing robot can be collected through the photoelectric sensor, and the information can be collected through the PCB main control board.

A radio-controlled vehicle, in particular a radio-controlled lawn mower, comprising: a frame; an engine; at least one rolling unit to cause the radio-controlled vehicle, in use, to move on a ground; a drive system for each rolling unit; a remote control; a control unit, which exchanges signals with the remote control, the engine and each drive system; a belt drive assembly which is interposed between the engine and each drive system and is operated by the engine so as to cause the rotation of each drive system.

The utility model discloses intelligent mowing robot test equipment, which comprises a workbench, a button test assembly, two sets of collision test assemblies and a three-axis electrical parameter module, the workbench is provided with a test base, a mowing robot is placed on the test base, the button test assembly is arranged on one side of the test base, and the two sets of collision test assemblies are connected with the three-axis electrical parameter module. The collision testing assemblies are arranged at the front end and the rear end of the testing base respectively, the three-axis electrical parameter module is arranged on the testing base, the button testing assembly is used for testing whether a button of the mowing robot can be normally started or not, and the collision testing assemblies are used for testing the collision function of the mowing robot. The three-axis electrical parameter module is used for testing information of a wheel set and a cutter head of the mowing robot. According to the scheme, the mowing robot is tested in sequence through the button testing assembly, the two collision testing assemblies and the three-axis electrical parameter module, so that the testing efficiency of the mowing robot is effectively improved, and the testing process of the mowing robot is simplified.

The invention discloses a walking type mower, relates to the field of mowers, and solves the problem that an existing walking type mower is difficult to weed deep gullies, the walking type mower comprises a protective shell and a holding rod mounted on the outer side of the protective shell, a mounting disc is mounted at the bottom of the protective shell, and a driving motor is mounted at the top of the mounting disc; a rope disc is arranged at the bottom of the mounting disc, and two grass trimming ropes are arranged on the outer side of the rope disc; the grass trimmer further comprises a rope pressing mechanism used for adjusting the length of the grass trimming rope, the rope pressing mechanism is installed on the outer side of the installation disc, the rope pressing mechanism comprises a pressing ring arranged on the outer side of the rope disc, and the pressing ring can press and contract the length of the grass trimming rope; by means of the rope pressing mechanism, an eccentric wheel can press a pressing ring downwards, the pressing ring abuts against the outer side of a grass trimming rope, the grass trimming rope swings downwards, the length of the grass trimming rope is adjusted, a rope disc can treat weeds in a gully through the grass trimming rope, and therefore the effect of gully weeding is achieved.

A cutting blade mounted to a lawn mower to cut vegetation under the lawn mower. The cutting blade configured to rotate relative to the mower deck in a rotational direction. The cutting blade including a first blade portion having a leading edge defining a primary cutting edge and a blade lift positioned behind the primary cutting edge along the rotational direction, and a second blade portion having a finishing cutting edge that is spaced from the blade lift along the rotational direction such that the blade lift is positioned between the primary cutting edge and the finishing cutting edge along the rotational direction.

A charging coupling for connecting a robotic mower to a charging station, comprising a first charging contact provided on the robotic mower and a second charging contact provided on the charging station. The first charging contact comprising a recess with two side walls substantially perpendicular to a mowing surface of the robotic mower, each side wall is provided with an essentially rectangular resilient metal plate. The second charging contact comprising a protruding part configured to fit in the recess of the first charging contact and has two sides facing the two side walls of the recess of the first charging contact when in contact. Each side of the protruding part is provided with metal plates with its sharp side facing the surface of the resilient metal plates of the first charging contact, when in contact.

The invention discloses a post-disaster city full-coverage detection method based on a heterogeneous unmanned system, and belongs to the technical field of rescue, and the method comprises the steps: taking an unmanned plane and an unmanned vehicle as the heterogeneous unmanned system, and constructing a full-coverage path planning model of the heterogeneous unmanned system; discretizing the full-coverage path planning model of the heterogeneous unmanned system to obtain a discrete optimization model of the full-coverage path planning of the heterogeneous unmanned system; an improved memetic algorithm is adopted to optimize the on-off state of path points in the discrete optimization model, an optimal open point set is obtained, a mower algorithm is adopted to traverse the optimal open point set, and a shortest full-coverage detection path is obtained; and constructing a charging point dynamic adjustment mechanism, and performing full-coverage detection based on the shortest full-coverage detection path and the charging point dynamic adjustment mechanism. According to the method, the global search capability and the convergence speed of the memetic algorithm are effectively improved, a two-way convergence charging point dynamic adjustment strategy is designed, and the charging waiting time is effectively shortened.

The embodiment of the utility model provides a position adjusting device, a cutting system and a mower. The position adjusting device comprises at least two supporting arms, at least two transverse guiding pieces, a support, a driving unit and a transverse driving assembly. The number of the transverse guiding pieces is consistent with that of the supporting arms, and the transverse guiding pieces and the supporting arms are in one-to-one correspondence. The at least two supporting arms are arranged at intervals in the vertical direction. And in the length direction of the transverse guide piece, the two sub support arms of each support arm are arranged at an interval to form a containing part. And one end of each sub-supporting arm is rotatably connected with the support. And the other end of each sub supporting arm is rotationally connected with the corresponding transverse guide piece. The upper sub-supporting arm and the lower sub-supporting arm are relatively fixed, and / or the two transverse guiding pieces are relatively fixed. The cutting device is connected to the at least one transverse guide piece. The transverse driving assembly is connected to the cutting device. The driving unit is used for driving the two supporting arms to rotate relative to the support.