WO2021180123A1 - Dispositif de coupe et tondeuse intelligente - Google Patents

Dispositif de coupe et tondeuse intelligente Download PDF

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Publication number
WO2021180123A1
WO2021180123A1 PCT/CN2021/079975 CN2021079975W WO2021180123A1 WO 2021180123 A1 WO2021180123 A1 WO 2021180123A1 CN 2021079975 W CN2021079975 W CN 2021079975W WO 2021180123 A1 WO2021180123 A1 WO 2021180123A1
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WO
WIPO (PCT)
Prior art keywords
cutting
protection
lawn mower
cutting member
cutting device
Prior art date
Application number
PCT/CN2021/079975
Other languages
English (en)
Chinese (zh)
Inventor
李兴红
Original Assignee
苏州宝时得电动工具有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202010161007.7A external-priority patent/CN113366964A/zh
Priority claimed from CN202020284879.8U external-priority patent/CN212116223U/zh
Application filed by 苏州宝时得电动工具有限公司 filed Critical 苏州宝时得电动工具有限公司
Publication of WO2021180123A1 publication Critical patent/WO2021180123A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/73—Cutting apparatus
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/74—Cutting-height adjustment
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/82—Other details
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D75/00—Accessories for harvesters or mowers
    • A01D75/20—Devices for protecting men or animals

Definitions

  • the invention relates to the technical field of electric garden tools, in particular to a cutting device and an intelligent lawn mower.
  • the intelligent lawn mower is an electric garden tool used for mowing lawns and vegetation. It has the functions of automatic walking, anti-collision, preventing the line from going out within the specified range, automatically returning to charging, safety detection and battery power detection. On the whole, the intelligent lawn mower can complete the work of mowing the lawn autonomously, without direct human control and operation, and has low power, low noise, and vibrant appearance.
  • the intelligent lawn mower mainly includes: a control unit, which is used to control its automatic walking and perform cutting work; a casing, a mobile component used to drive the intelligent lawn mower to move, and a cutting device used to perform cutting operations.
  • the cutting device is generally arranged under the casing.
  • some smart lawn mowers set the cutting device at a position far away from the boundary of the fuselage, so that the operator will not touch the cutting element even if the operator extends his foot under the fuselage.
  • the cutting device when the cutting device is far from the boundary of the fuselage, it will cause the problem of not being able to cut edges. For example, when the cutting element encounters obstacles such as wall corners, fences, steps, etc., it will form a wider area that cannot be cut. These wide areas that cannot be cut by smart lawn mowers often require manual trimming, which is time-consuming and labor-intensive.
  • a more feasible way is to reduce the distance between the cutting device and the boundary, and install a protective mechanism on the casing.
  • the protective mechanism can be used to establish a protective barrier to prevent human tissues from reaching under the body and causing injury. .
  • the height of the bottom end from the ground is a fixed value, which is likely to affect the passability of the smart lawn mower.
  • a smart lawn mower generally has multiple gears.
  • the bottom end of the protection mechanism needs to isolate the knife at the lowest gear. At this time, it must have a lower height from the ground.
  • the bottom end of the protective mechanism is higher than the cutter head, that is, it cannot protect the cutter head, and the intelligent lawn mower will inevitably be lowered Security.
  • one purpose of this application is to provide a cutting device and an intelligent lawn mower, which have stronger safety and better passability, and are especially suitable for scenes that need to be able to ensure cutting to the edge, and can be more It satisfies the comprehensive needs of users well.
  • An intelligent lawn mower comprising: a housing, a moving component for driving the intelligent lawn mower to move; a cutting motor used to provide driving force for a cutting operation, and a cutting motor used to perform the cutting operation driven by the cutting motor Device
  • the cutting device includes: a cutting member, the cutting member can be driven by the cutting motor; a protection structure, including a bottom protection, the bottom protection is located below the cutting member, so that the cutting A protective barrier is established below the piece; the protective structure is stationary relative to the cutting piece in the height direction; at least when the cutting device is lower than the casing, the protective structure is subjected to a bottom-up external force , Which can drive the cutting device to move upward relative to the casing.
  • the cutting device is eccentrically arranged below the casing, which is biased to one side of the casing.
  • the distance from the cutting member to the outermost side of the casing is 20 mm to 30 mm.
  • the protection structure further includes a side protection, and the side protection is located on the side of the cutting member to establish a protective barrier on the side of the cutting member.
  • the position of the cutting member along the height direction is adjustable, and both the side guard and the bottom guard are raised and lowered following the cutting member.
  • the lowermost ends of the side guard and the bottom guard are lower than the bottom end of the casing.
  • the smart lawn mower further includes a floating height adjustment mechanism, which is used to allow the protective structure to drive the cutting member to move upward when the protective structure receives a bottom-up external force.
  • the maximum height of the cutting member corresponding to the upward movement is between 50 mm and 55 mm.
  • the protective structure further includes a protective cover which is arranged above the cutting member and is connected to the side protection.
  • the side protection extends downward from one side of the protection cover to below the cutting member, and is connected to the bottom protection, and forms between the protection structure and the cutting member Chip removal channel.
  • the cutting element includes a cutter head and a cutting blade installed on the cutter head, the bottom guard is located below the cutting blade of the cutting element, and the distance in the height direction is set at 5
  • the horizontal distance between the edge of the cutting piece and the side protection is set between 5 mm and 10 mm.
  • the bottom protection extends along the traveling direction of the smart lawn mower, and the length of the bottom protection is greater than the cutting diameter of the cutting device.
  • the bottom protection is provided with a grass inlet, and the grass inlet is a strip-shaped slit.
  • a cutting device includes: a cutting member, which can be driven to move; a protective structure, including a bottom shield, which is located below the cutting member to establish a protective barrier below the cutting member
  • the protective structure is stationary relative to the cutting member in the height direction; at least when the cutting device is at the lowest cutting position, the protective structure can drive the cutting device upward when the protective structure is subjected to a bottom-up external force Activity.
  • the protection structure further includes a side protection, the side protection is located on the side of the cutting member to establish a protective barrier on the side of the cutting member, the cutting device and The cutting motor is connected in transmission, the protective structure further includes a protective cover and a motor barrel arranged outside the cutting motor, the upper end of the protective cover is connected with the motor barrel, and the lower end of the protective cover is used to be close to the casing
  • One side of the side protection is connected to the side protection, the side protection extends downward from the protection cover to below the cutting piece and is fixed to the bottom protection; one end of the bottom protection is connected to the side protection The other end is fixed to the cutting member; a chip removal channel is formed between the protective structure and the cutting member opposite to the protective structure.
  • a protective structure is provided on the side and below the cutting member, and the protective structure and the cutting member are relatively static in the height direction, ensuring that at least the cutting device is lower than In the case of the casing, when the protective structure is subjected to a bottom-up external force, it can drive the cutting device to move upward relative to the casing, thereby ensuring that the lawn mower has stronger safety and better
  • the passability is particularly suitable for use scenarios that need to be cut to the edge, and can better meet the comprehensive needs of users.
  • Figure 1 is a top view of an intelligent lawn mower provided by one embodiment of the application.
  • Figure 2 is a bottom view of the smart lawn mower in Figure 1;
  • Figure 3 is a front view of the smart lawn mower in Figure 1;
  • Figure 4 is the A-A cross-sectional view of the smart lawn mower in Figure 1 when it is in the lowest gear;
  • Figure 5 is the A-A cross-sectional view of the smart lawn mower in Figure 1 when it is at the highest gear;
  • Fig. 6 is a schematic structural diagram of a cutting device provided by an embodiment of the application.
  • Chassis 11, front end; 12, rear end; 13, first side; 14, second side; 15, top surface; 16, bottom surface;
  • Cutting device 30, cutting piece; 31, protective cover; 310, protective structure; 311, side protection; 312, bottom protection; 32, cutting motor; 33, motor barrel; 34, connecting sleeve; 35, base;
  • the specification of this application provides a cutting device and an intelligent lawn mower.
  • the intelligent lawn mower can not only ensure cutting to the edge, but also has stronger safety and better passability when used, which better meets the needs of users. need.
  • the smart lawn mower usually includes: a control unit for controlling its automatic walking and performing cutting work, a casing 1, for driving smart cutting The moving assembly of the grass machine 2, the cutting motor 32 for providing driving force for the cutting operation, and the cutting device 3 for performing the cutting operation driven by the cutting motor 32.
  • the smart lawn mower may also include a floating height adjustment mechanism 4 for adjusting the height of the cutting device 3 from the ground.
  • the floating height adjustment mechanism 4 may be a floating height adjustment mechanism 4 that only restricts the current lowest position of the cutting device 3 without restricting the upward movement of the cutting device 3.
  • the cutting device 3 may include: a cutting member 30 that can move under the drive of the cutting motor 32 and a protective structure 310 for establishing a protective barrier for the cutting member 30.
  • the cutting member 30 Including the cutter head and the cutting blade installed on the cutter head.
  • the cutting member 30 can be driven by the cutting motor 32 to move.
  • the protection structure 310 may include a bottom protection 312.
  • the bottom protection 312 is located below the cutting member 30 to establish a protective barrier below the cutting member 30.
  • the protection structure 310 may further include: side protection 311.
  • the side protection 311 is located on the side of the cutting member 30 to establish a protective barrier on the side of the cutting member 30.
  • the protective structure 310 is stationary relative to the cutting member 30. At least when the cutting device 3 is lower than the casing 1, when the protective structure 310 receives a bottom-up external force, it can drive the entire cutting device 3 to lift up without being affected by the floating height adjustment mechanism 4 Limiting position, thereby ensuring that the intelligent lawn mower has stronger safety and better passability, and better meets the comprehensive needs of users.
  • the obstacle crossing ability of the smart lawn mower mainly depends on the position of the cutting device 3.
  • a protective barrier can be established for the cutting member 30 at any height to prevent obstacles.
  • the object directly contacts the cutting piece 30 to avoid loss and injury.
  • This application uses a floating height adjustment mechanism 4 that allows the cutting device 3 to move upward under the action of an external force when the cutting device 3 has an upwardly movable space, so that the passability of the machine is improved.
  • the cutting device 3 when the cutting device 3 is not lower than the casing 1, there may also be scenarios where the cutting device 3 needs to be lifted upwards. Specifically, for example, when encountering a small animal that enters the bottom of the casing 1, the cutting device 3 can be lifted up by a floating height adjustment mechanism to prevent the cutting member 30 from directly contacting the small animal, thereby forming an effective protection for the small animal. Or, when the smart lawn mower is in a non-working state, since the cutting member 30 is relatively sharp, for the case where the cutting member 30 is relatively close to the casing 1, the user may touch the cutting member with his fingers during the process of carrying it by hand. 30.
  • a protective structure 310 is provided on the side of the cutting member 30 close to the casing 1, and when the protective structure 310 is subjected to external force, for example, when a finger touches the bottom protective 312, it can drive the entire cutting device 3 to rise upward. Therefore, the cutting member 30 is prevented from contacting the fingers, and the safety of the intelligent lawn mower is improved.
  • the casing 1 is formed with a hollow cavity with a certain size for installing various parts of the smart lawn mower.
  • the casing 1 In the forward direction F of the smart lawn mower, the casing 1 has a front end 11 and a rear end 12 opposite to each other, and a first side 13 and a second side 14 connecting the front end 11 and the rear end 12, and the top surface 15 and bottom 16.
  • the first side 13 is the right side of the casing 1
  • the second side 14 is the left side of the casing 1.
  • the cutting device 3 is arranged eccentrically below the casing 1 and biased to one side of the casing 1.
  • the smart lawn mower has a central axis L0, and the center of the cutting member 30 is biased to one side of the central axis L0, for example, located in the center. The right side of the axis L0.
  • the cutting member 30 can be driven by the cutting motor 32 to make a rotating movement, or it can make a reciprocating cutting movement, or it can be another form of movement that can realize mowing.
  • the cutting member 30 is rotated as an example for expansion description, and other motion forms can be referred to the rotational motion, and the description of this application will not be repeated here.
  • the center of the cutting circle S formed by the cutting member 30 deviates from the central axis L0 of the smart lawn mower.
  • the distance from the edge of the cutting circle S formed when the cutting member 30 rotates to the casing 1 is within a predetermined range.
  • the distance from the cutting circle S formed when the cutting member 30 rotates to the casing 1 (the first side 13 in the figure) is cut to the margin L1.
  • the cutting device 3 is close enough to the outer side wall of the casing 1, so as to cut the grass at the boundary line or the edge of the obstacle, so as to cut to the edge and avoid the trouble of manual trimming. .
  • a protective structure 310 is provided between the cutting member 30 and the casing 1, and the predetermined range is determined to be optional Between 20mm-30mm.
  • the cutting member 30 may be in the form of a rotatable cutter head.
  • the protective cover 31 may be arranged coaxially with the cutting member 30 and surrounding the cutting member 30.
  • the cutting member 30 can be driven by the cutting motor 32 to rotate to form a central axis of rotation.
  • the protective structure 310 is relatively stationary with the cutting member 30 along the height direction (that is, the extension direction of the rotation center axis), and can move in the height direction under the external force of the floating height adjustment mechanism from bottom to top.
  • the protective structure 310 further includes a protective cover 31 and a motor barrel 33 arranged outside the cutting motor 32.
  • the upper end of the protective cover 31 is connected to the motor barrel 33, and the lower end of the protective cover 31
  • the side guard 311 is connected to the side close to the casing 1.
  • the protective cover 31 can be integrally formed with the side shield 311, and of course, the connection can also be realized by a fixed connection.
  • the protective structure 310 and the cutting member 30 keep moving synchronously.
  • the protection structure 310 and the cutting member 30 can achieve relative static height in the height direction.
  • the protective cover 31 and the motor barrel 33 can be fixed together by a fixed connection (for example, screws).
  • the cutter head can be fixed on the connecting sleeve 34 by a fixed connection (for example, a screw).
  • the connecting sleeve 34 is fixedly connected to the rotating shaft of the cutting motor 32 by means of fixed connection (for example, interference press fitting), and the cutting motor 32 is fixed to the motor barrel 33 by means of fixed connection (for example, screws), and finally realizes the cutting blade and protection.
  • the relative positions of the structures 310 along the height direction are kept fixed.
  • the above-mentioned fixed connection method is not limited to the above-mentioned examples, and other methods that can realize the fixed connection can also be used here.
  • the smart lawn mower is provided with multiple gears, including: the highest gear and the lowest gear.
  • the floating height adjustment mechanism 4 includes a gear position adjustment member 40, which is used to adjust the gear position and change the height of the cutting member 30 from the ground, at least when the intelligent lawn mower is in the lowest gear.
  • the lowermost end of the cutting device 3 is lower than the bottom end of the casing 1.
  • the gear position of the smart lawn mower refers to the distance of the cutting blade of the cutting member 30 from the ground. This distance characterizes how high the grass will be cut when the machine is running.
  • the gear indications are 20 (mm), 30 (mm), 40 (mm), 50 (mm), 60 (mm), and each gear corresponds to a cutting height.
  • the gear indication can be represented by numbers such as 1, 2, 3, 4, and 5, and each value corresponds to a cutting height.
  • the gear indication is not limited to numerical values, and can also be other characters, such as English letters, Roman letters and so on, the specific application is not specifically limited here. As shown in FIG.
  • the distance H1 between the tip of the cutting member 30 and the ground may be 20 mm.
  • the distance H2 of the blade tip of the cutting member 30 from the ground may be 60 mm.
  • the floating height adjustment mechanism 4 is used to limit only the current lowest position of the cutting device 3. Specifically, the floating height adjustment mechanism 4 can be used to adjust the gears and determine the current height of the cutting member 30 from the ground, without restricting the cutting device 3 from moving upward when it receives a bottom-up external force.
  • the floating height adjustment mechanism 4 may be provided with a height adjustment structure and a gear adjustment member 40.
  • the gear adjusting member 40 may be in the form of a knob. By turning the knob to different gears, the height adjustment structure is driven to realize the change of the height of the cutting device 3 from the ground.
  • the height-adjustment structure may be a multi-link structure, or a spring structure, or other forms for realizing floating height-adjustment, which is not specifically limited in this application.
  • the multi-link structure may be a four-link structure, in which the movement of the link can drive the motor barrel 33 to move up and down, so as to realize the height adjustment of the motor barrel 33 and the cutting device 3.
  • This height-adjusting structure can limit the lowest point of the motor barrel 33 from the working surface at the current cutting height, that is, determine the distance between the cutting blade of the cutting member 30 and the ground.
  • the upward movement range is determined by the distance between the base 35 and the motor barrel 33. What is the distance between the base 35 and the motor barrel 33, the motor barrel 33 can float upward for as much distance.
  • the cutting device 3 can be driven by the floating height adjustment mechanism 4 when it encounters obstacles in all gears. Floating, so as to achieve obstacle crossing.
  • the height of the cutting piece 30 from the ground is already large enough to basically not affect the obstacle crossing, so It can be set that when the smart lawn mower is at the highest gear, the top end of the motor barrel 33 abuts the base 35 and can no longer float. That is to say, when the smart lawn mower is not at the highest level, the cutting device 3 can move upward under the driving of the floating height adjustment mechanism 4 when the protective structure 310 contacts an external obstacle.
  • the lowermost end of the casing 1 is also set to a certain distance from the ground, for example, it may be about 40 mm.
  • the cutting member 30 is at the lowest point, for example, the height from the ground is 20 mm, and the cutting device 3 must expose the casing 1 at this time.
  • the cutting device 3 can also enter the casing 1 completely under the drive of the floating height adjustment mechanism 4.
  • the lowest point of the cutting member 30 The maximum height movable upward relative to the lowest point of the front end 11 of the casing 1 may be between 50 mm and 55 mm.
  • the protection structure 310 may include a side protection 311 and a bottom protection 312.
  • the side protection 311 extends downward from the protection cover 31 to below the cutting member 30 and is fixed to the bottom protection 312; one end of the bottom protection 312 is fixed to the side protection 311, and the other One end extends below the cutting member 30; a chip removal channel is formed between the protective structure 310 and the cutting member 30 opposite to it.
  • the side guard 311 and the bottom guard 312 are along the advancing direction F of the smart lawn mower, and may be parallel to the casing 1 as a whole.
  • the side guard 311 may have a first extending direction.
  • the bottom protection 312 has a second extending direction.
  • the first extension direction is substantially perpendicular to the second extension direction.
  • the first extension direction may be parallel or substantially parallel to the direction of gravity.
  • the second extension direction may be parallel or substantially parallel to the horizontal direction.
  • the distance between the edge of the cutting member 30 and the side guard 311 may be between 5 mm and 10 mm. between.
  • the distance between the lower surface of the cutting blade of the cutting member 30 and the bottom guard 312 in the height direction is optionally Between 5mm-10mm.
  • the bottom shield 312 is located below the cutting member 30 to establish a protective barrier below the cutting member 30.
  • the bottom guard 312 will come into contact with the grass to be cut, which is a wear part.
  • the bottom guard 312 may be provided with a plurality of comb-tooth parts, and a grass inlet for grass to pass is formed between two adjacent comb-tooth parts.
  • the grass mouth can be a strip-shaped gap.
  • the side protection 311 is arranged between the casing 1 and the cutting member 30 and is mainly used to isolate the cutting member 30 and the casing 1 so as to establish a protective barrier on the side of the cutting member 30.
  • the bottom protection 312 can be fixed to one end of the side protection 311 by a detachable connection.
  • the detachable connection method may be a screw connection, of course, it may also be other detachable connection methods, which is not specifically limited in this application.
  • the materials of the bottom protection 312 and the side protection 311 may be different.
  • the material hardness of the bottom protection 312 is greater than the material hardness of the side protection 311, and the material density of the side protection 311 is less than the material density of the bottom protection 312, so as to improve the overall durability of the protection structure 310 at the same time Provide the reliability of the whole machine in use.
  • the bottom guard 312 can be made of wear-resistant metal material, and the side guard 311 can be made of lighter-density plastic material, so as to reduce the density of the guard 31 as much as possible and reduce the time when the cutting device 3 floats. Resistance.
  • This specification also provides a cutting device 3 which includes a cutting member 30 and a protective structure 310.
  • the cutting member 30 can be driven to move.
  • the protection structure 310 includes a side protection 311 and a bottom protection 312.
  • the side protection 311 is located on the side of the cutting member 30 to establish a protective barrier on the side of the cutting member 30.
  • the bottom protection 312 is located below the cutting member 30 to establish a protective barrier below the cutting member 30.
  • the protective structure 310 is stationary relative to the cutting member 30 in the height direction; at least when the cutting device 3 is at the lowest cutting position, when the protective structure 310 is subjected to a bottom-up external force, it can drive the The cutting device 3 moves upward.
  • the cutting device 3 is in transmission connection with the cutting motor 32
  • the protective structure 310 further includes a protective cover 31 and a motor barrel 33 arranged outside the cutting motor 32.
  • the upper end of the protective cover 31 is connected to the motor barrel 33, and the lower end of the protective cover 31 is used to connect the side protection 311 to the side close to the casing 1.
  • the side protection 311 is self-protected
  • the cover 31 extends downwards below the cutting member 30 and is fixed to the bottom guard 312; one end of the bottom guard 312 is fixed to the side guard 311, and the other end extends below the cutting member 30
  • a chip removal channel is formed between the protective structure 310 and its opposite cutting member 30.;
  • the cutting device 3 for the specific composition, structure, coordination relationship, and functions that can be realized of the cutting device 3, please refer to the specific description of the above-mentioned smart lawn mower embodiment, which will not be repeated in this application. It should be noted that, in addition to being used in smart lawn mowers, the cutting device 3 can also be used in other tools that need to ensure passability and safety.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

Un dispositif de coupe (3) et une tondeuse intelligente sont divulgués. La tondeuse intelligente comprend : un boîtier (1), un ensemble mobile (2) utilisé pour entraîner la tondeuse intelligente en déplacement, un moteur électrique de coupe (32) pour fournir une force d'entraînement pour une opération de coupe, et le dispositif de coupe (3) pour effectuer l'opération de coupe sous l'entraînement du moteur électrique de coupe (32) ; le dispositif de coupe (3) comprend : un élément de coupe (30), l'élément de coupe (30) pouvant être entraîné en déplacement par le moteur électrique de coupe (32) ; et une structure de protection (310) comprenant une protection inférieure (312), la protection inférieure (312) étant située au-dessous de l'élément de coupe (30) pour créer une barrière de protection au-dessous de l'élément de coupe (30) ; la structure de protection (310) est statique par rapport à l'élément de coupe (30) dans une direction de hauteur ; et au moins dans le cas où le dispositif de coupe (3) est plus bas que le boîtier (1), lorsque la structure de protection (310) est soumise à une force externe du bas vers le haut, le dispositif de coupe (3) peut être entraîné en déplacement vers le haut par rapport au boîtier (1). La tondeuse intelligente présente une sécurité élevée et une bonne aptitude à la circulation, est particulièrement appropriée pour des scénarios dans lesquels il est nécessaire d'assurer une coupe de bordures, et peut mieux répondre aux exigences globales des utilisateurs.
PCT/CN2021/079975 2020-03-10 2021-03-10 Dispositif de coupe et tondeuse intelligente WO2021180123A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202010161007.7 2020-03-10
CN202010161007.7A CN113366964A (zh) 2020-03-10 2020-03-10 切割装置及智能割草机
CN202020284879.8 2020-03-10
CN202020284879.8U CN212116223U (zh) 2020-03-10 2020-03-10 切割装置及智能割草机

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WO2021180123A1 true WO2021180123A1 (fr) 2021-09-16

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PCT/CN2020/128243 WO2021179657A1 (fr) 2020-03-10 2020-11-12 Dispositif de coupe et tondeuse à gazon intelligente
PCT/CN2021/079975 WO2021180123A1 (fr) 2020-03-10 2021-03-10 Dispositif de coupe et tondeuse intelligente

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PCT/CN2020/128243 WO2021179657A1 (fr) 2020-03-10 2020-11-12 Dispositif de coupe et tondeuse à gazon intelligente

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Citations (5)

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Publication number Priority date Publication date Assignee Title
CN201226676Y (zh) * 2008-04-03 2009-04-29 杭州亿脑智能科技有限公司 一种割草刀盘可自动升降的割草机
CN106561148A (zh) * 2015-10-13 2017-04-19 苏州宝时得电动工具有限公司 割草机
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