CN214902202U - Remote control mower capable of crossing obstacles - Google Patents

Abstract

The utility model discloses a remote control lawn mower that can hinder more belongs to the vegetation and prunes the relevant technical field of equipment. Including frame, walking actuating mechanism and suspension mechanism, walking actuating mechanism sets up around the frame, and walking actuating mechanism includes the wheel, the wheel includes plantago wheel and car rear wheel, the plantago wheel meets with suspension mechanism, suspension mechanism meets with the frame, the car rear wheel meets with the frame. The lawn mower has the phenomenon of unevenness on the ground, and particularly, the difference of the heights of the ground where the two front wheels are located is large, so that one walking wheel is suspended, and the advancing of the lawn mower is influenced. The suspension mechanism forms a rotatable structure, and the obstacle crossing capability is enhanced.

Description

Remote control mower capable of crossing obstacles

Technical Field

The utility model belongs to the technical field of vegetation pruning equipment is relevant, more specifically says, relates to a remote control lawn mower that can hinder more.

Background

Mowers are also known as weed trimmers, lawnmowers, lawn trimmers, and the like. The mower is a mechanical tool for trimming lawn and vegetation, and is composed of cutter head, engine, walking wheels, walking mechanism, blades, handrail and control unit. The cutter head is arranged on the travelling wheel, the engine is arranged on the cutter head, the blade is arranged on the output shaft of the engine, the blade is greatly improved in speed by utilizing the high-speed rotation of the engine, the operation time of weeding workers is saved, and a large amount of manpower resources are reduced.

The existing mower has the following defects in use, that is, 1, the existing mower has single function, and needs to be pushed and mowed manually by workers, so that the workload of the workers is increased, and the practicability of the mower is reduced; 2. can not be adjusted according to the growth condition and the terrain of the vegetation, and the trimming effect is poor.

The Chinese patent application numbers are: 201811072457.8, publication date is: 2019-03-12, which comprises a supporting component, a supporting component and a control component, wherein the supporting component comprises a chassis transverse frame and chassis longitudinal frames, and the chassis transverse frame is arranged between the chassis longitudinal frames and is connected with the chassis longitudinal frames on two sides; the driving assembly comprises a first power part, a second power part and an engine, the first power part comprises a first driving motor and a first driving wheel, the second power part comprises a second driving motor and a second driving wheel, the engine is arranged at the top of the supporting assembly, and the engine comprises an engine output shaft and an engine throttle; the mowing assembly comprises a connecting piece and a mowing piece, and the mowing piece is connected with the engine through the connecting piece. The remote control crawler mower is simple to operate, high in automation degree, strong in adaptability and wide in application range, and has great significance for development of modern orchards, particularly mountainous orchard planting areas.

The Chinese patent application numbers are: 201910727392.4, publication date is: 2019-10-22, which comprises a mower body, wherein the bottom of the mower body is fixedly connected with a travelling mechanism, a device cavity is arranged in the mower body, a controller, a power supply, a memory, a signal receiver, a telescopic cylinder and a signal transmitter are sequentially arranged in the device cavity, and the signal receiver and the output end of the power supply are both connected with the input end of the controller; the one end of lawn mower body is equipped with the spout, the first motor of top fixedly connected with of lawn mower body, the output fixedly connected with screw rod of first motor, and the one end of screw rod runs through the top of lawn mower body and extends to the spout is interior. It makes the device can carry out remote control through the setting of many places adjustment control mechanism, has avoided artifical support to mow to the efficiency and the application scope of mowing of lawn mower have been promoted.

The Chinese patent application numbers are: 202020198402.8, the announcement date is: 2020-11-24, "a lawn mower that convenient remote control was used", includes the casing, and the front of casing rotates and installs two sets of first drive wheels, and the outside of first drive wheel rotates and installs first track, and the back of casing rotates and installs two sets of second drive wheels, and rotates on the second drive wheel and install the second track, and the inside of casing is equipped with the power chamber, and is equipped with the dead lever in the power chamber, and fixed mounting has the mounting bracket on the dead lever. The utility model discloses be provided with the cooperation of mowing motor and mowing sword, can mow the operation, increased the practicality, be provided with mounting bracket adjusting threaded rod cooperation, can highly carry out the function of adjusting to mowing of lawn mower, increased the functional of mowing, reduced the limitation, be provided with the battery and can provide electric power for the lawn mower and support, increased the continuation of journey of lawn mower, improved the practicality, make the more convenient to use of lawn mower, enlarged application scope, convenient to popularize and use.

Disclosure of Invention

1. Problems to be solved

Too limit at the in-process of mowing to current lawn mower, be unfavorable for the problem more that turns over of barrier, the utility model provides a remote control lawn mower that can hinder more strengthens hindering more ability.

2. Technical scheme

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model discloses a remote control lawn mower that can hinder more, including frame, travel drive mechanism and suspension mechanism, travel drive mechanism sets up around the frame, and travel drive mechanism includes the wheel, the wheel includes plantago wheel and rear wheel, the plantago wheel meets with suspension mechanism, suspension mechanism meets with the frame, the rear wheel meets with the frame. The lawn mower has the phenomenon of unevenness on the ground, and particularly, the difference of the heights of the ground where the two front wheels are located is large, so that one walking wheel is suspended, and the advancing of the lawn mower is influenced. The suspension mechanism forms a rotatable structure, and the obstacle crossing capability is enhanced.

As a further explanation of the present invention, the suspension mechanism includes a front wheel shaft, the front wheel shaft is connected to the front wheel of the vehicle, and the front wheel shaft is rotatably connected to the frame. When the mower walks on uneven ground, due to terrain reasons, the front wheels are different in height, the front wheel shafts can incline, inclination angles are generated between the front wheel shafts and the frame, and then the front wheels cannot be fed back to the frame at once due to the fact that the height of the front wheels is changed due to the terrain reasons, so that the frame can be stable and the state of the mower is stable in the traveling process of the mower.

As a further explanation of the present invention, the front wheel shaft and the frame are connected by a shaft. The connection of axle can guarantee intensity on the one hand, on the other hand can make and can rotate between front wheel axle and the workshop.

As a further explanation of the present invention, the suspension mechanism further includes a center shaft, a rolling bearing, and a tapered roller bearing, the center shaft connects the front wheel shaft and the frame, and the rolling bearing and the tapered roller bearing are provided on the center shaft. The rolling bearing changes the sliding friction between a running shaft and a shaft seat into rolling friction; the tapered roller bearing generates an axial component when bearing bears radial load, so another bearing capable of bearing opposite axial force is needed for balancing, the structure is more stable, and the tapered roller bearing is convenient to use.

As a further explanation of the present invention, the travel driving mechanism further includes a travel motor, and the travel motor is connected to the wheel. The wheel is directly driven by the walking motor, the structure is simple, and the transmission efficiency is high.

As a further explanation of the present invention, the number of the wheels is four, and the number of the traveling motors is four, and one wheel is connected to one traveling motor. Four wheels use the walking motor respectively to control, can conveniently control the wheel of difference, facilitate the use.

As a further explanation of the present invention, the present invention further includes a PLC control mechanism, and the PLC control mechanism is connected to the travel driving mechanism. The PLC control mechanism controls the motion state of the wheels and is realized by controlling a motor in the walking driving mechanism.

As a further explanation of the present invention, the PLC control mechanism includes a remote controller and a PLC controller, the PLC controller is electrically connected to the traveling motor, and the remote controller is connected to the PLC controller by a signal.

As a further explanation of the present invention, the present invention further comprises a transmission mechanism and a power mechanism, wherein the transmission mechanism is connected to the power mechanism, and the power mechanism is electrically connected to the PLC control mechanism.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a remote control lawn mower that can hinder more, lawn mower use ground to have unevenness phenomenon, and the ground height that two front wheels especially locate differs great, and one of them walking wheel is unsettled can appear, and then influences advancing of lawn mower. The suspension mechanism forms a rotatable structure, so that the obstacle crossing capability is enhanced;

(2) the utility model discloses a remote control lawn mower that can hinder more, when the lawn mower walks on uneven ground, because the topography reason leads to the front wheel height difference, the front axle can take place the slope, produces the inclination between front axle and the frame, then the front wheel can not feed back to the frame at once because the topography reason takes place the altitude variation, makes the lawn mower in the course of going, and the frame can be comparatively stable, and the state of lawn mower is stable;

(3) the utility model relates to a remote control mower capable of crossing obstacles.A rolling bearing changes the sliding friction between a running shaft and a shaft seat into rolling friction; the tapered roller bearing generates an axial component when bearing bears radial load, so another bearing capable of bearing opposite axial force is needed for balancing, the structure is more stable, and the tapered roller bearing is convenient to use.

Drawings

The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall structure of a remote control mower;

FIG. 2 is a schematic view of the overall structure of the other side of FIG. 1;

FIG. 3 is a schematic top view of the remote mower;

FIG. 4 is a schematic bottom view of the remote mower;

FIG. 5 is a schematic view of the suspension mechanism;

FIG. 6 is another schematic structural view of FIG. 5;

FIG. 7 is a schematic view of a connection structure at a central axis;

FIG. 8 is a schematic structural diagram of a transmission mechanism on the upper part of the chassis;

FIG. 9 is a schematic view of the overall structure of FIG. 8;

FIG. 10 is a side view of the structure of FIG. 9;

FIG. 11 is a side view of the cutter head lifting mechanism;

FIG. 12 is a schematic view of the overall structure of FIG. 11 with the lift motor removed and a portion of the lift frame removed;

fig. 13 is a side view of fig. 12.

In the drawings: 1. a frame, 11, a chassis, 12, an air inlet, 13, an air outlet, 14 and a connecting beam,

2. a walking driving mechanism 21, wheels 22 and a walking motor,

3. a suspension mechanism 31, a front wheel shaft 32, a central shaft 33, a rolling bearing 34, a tapered roller bearing,

4. a transmission mechanism 41, a first rotating shaft 42, a second rotating shaft 43, a connecting piece 44, a tensioning assembly 441, a first tensioning wheel 442, a second tensioning wheel 443, a tensioning disc 444 and a tension piece,

5. a power mechanism 51, an engine 52, a battery output shaft,

6. a cutter head lifting mechanism 61, a lifting shaft 62, a lifting frame 63, a lifting motor 64, a lifting driving shaft 65 and an elastic element,

7. PLC control mechanism, 71, PLC controller.

Detailed Description

The following detailed description of exemplary embodiments of the invention refers to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration exemplary embodiments in which the invention may be practiced. Although these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it should be understood that other embodiments may be realized and that various changes to the invention may be made without departing from the spirit and scope of the present invention. The following more detailed description of the embodiments of the present invention is not intended to limit the scope of the invention, as claimed, but is presented for purposes of illustration only and not limitation to provide the best mode contemplated for carrying out the invention and to enable any person skilled in the art to practice the invention. Accordingly, the scope of the invention is to be limited only by the following claims.

The detailed description and exemplary embodiments of the invention may be better understood when read in conjunction with the following drawings, where the elements and features of the invention are identified by reference numerals.

Example 1

As shown in fig. 1-7, the obstacle-surmountable remote control mower of the present embodiment includes a frame 1, a travel driving mechanism 2, and a suspension mechanism 3, where the travel driving mechanism 2 is disposed around the frame 1.

The traveling driving mechanism 2 comprises wheels 21 and a traveling motor 22, the wheels 21 comprise front wheels and rear wheels, the front wheels are connected with the suspension mechanism 3, the suspension mechanism 3 is connected with the frame 1, and the rear wheels are connected with the frame 1. The lawn mower has the phenomenon of unevenness on the ground, and particularly, the difference of the heights of the ground where the two front wheels are located is large, so that one walking wheel is suspended, and the advancing of the lawn mower is influenced. The hanging mechanism 3 forms a rotatable structure, and the obstacle crossing capability is enhanced. The walking motor 22 is connected with the wheels 21, and the wheels 21 are directly driven by the walking motor 22, so that the structure is simple, and the transmission efficiency is high. Four wheels 21 and four traveling motors 22, and one wheel 21 is connected to one traveling motor 22. Four wheels 21 use walking motor 22 to control respectively, can conveniently control different wheels 21, facilitate the use.

The suspension mechanism 3 comprises a front wheel shaft 31, a central shaft 32, a rolling bearing 33 and a tapered roller bearing 34, wherein the front wheel shaft 31 is connected with the front wheel of the vehicle, and the front wheel shaft 31 is relatively rotatably connected with the vehicle frame 1. When the mower walks on uneven ground, due to terrain reasons, the front wheels are different in height, the front wheel shaft 31 can incline, an inclination angle is generated between the front wheel shaft 31 and the frame 1, and then the front wheels cannot be fed back to the frame 1 at once due to the height change caused by the terrain reasons, so that the mower can be stable in the traveling process, and the frame 1 can be stable, and the state of the mower is stable. A center shaft 32 connects the front wheel shaft 31 and the frame 1, and a rolling bearing 33 and a tapered roller bearing 34 are provided on the center shaft 32. The connection of the central shaft 32 can ensure the strength on one hand, and can enable the front wheel shaft 31 and a workshop to rotate on the other hand, and the rolling bearing 33 changes the sliding friction between the operating shaft and the shaft seat into rolling friction; the tapered roller bearing 34 generates an axial component when the bearing is subjected to a radial load, so that another bearing capable of bearing an opposite axial force is required for balancing, so that the structure is more stable and the use is convenient.

In the actual use process, if the mower drives into a hollow and uneven complex terrain, the two wheels of the front wheel of the mower can be at different heights due to the fact that the front wheel shaft 31 and the frame 1 can rotate, the phenomenon that the wheels step empty is avoided, and obstacle crossing capability of the mower is enhanced.

Example 2

The embodiment further includes a PLC control mechanism 7 on the basis of embodiment 1, the PLC control mechanism 7 is connected to the travel driving mechanism 2, and the PLC control mechanism 7 controls the motion state of the wheel 21 by controlling the motor in the travel driving mechanism 2.

The PLC control mechanism 7 comprises a remote controller and a PLC controller 71, the PLC controller 71 is electrically connected with the walking motor 22, the remote controller is in signal connection with the PLC controller 71, and the PLC controller 71 is arranged at the tail of the mower. The device also comprises a transmission mechanism 4 and a power mechanism 5, wherein the transmission mechanism 4 is connected with the power mechanism 5, and the power mechanism 5 is electrically connected with the PLC control mechanism 7.

Example 3

As shown in fig. 1-4 and 8-10, the remote control mower of the present embodiment includes a frame 1, a transmission mechanism 4 and a power mechanism 5, wherein the frame 1 is connected to a chassis 11, the transmission mechanism 4 includes a first rotating shaft 41, a second rotating shaft 42 and a tensioning assembly 44, the chassis 11 is provided with the first rotating shaft 41 and the second rotating shaft 42, the second rotating shaft 42 is connected to a blade, the first rotating shaft 41 is connected to the second rotating shaft 42 through a connecting member 43, and the connecting member 43 is abutted by the tensioning assembly 44. The connecting member 43 connects the first rotating shaft 41 and the second rotating shaft 42, so that the blade is not directly connected with the output shaft of the engine 51, and when the blade is used for mowing, for example, when hard objects such as sand and stone are encountered, the blade is not directly connected with the output shaft of the engine 51, and the output shaft of the engine 51 cannot be damaged. The connecting piece 43 is a belt, and the belt can play a role in buffering when encountering sand and stone through flexible connection of the belt.

The tension assembly 44 includes a first tension pulley 441, a second tension pulley 442, a tension disc 443, and a tension member 444, the belt is sleeved on the outer sides of the first rotating shaft 41, the second rotating shaft 42, and the first tension pulley 441, the second tension pulley 442 is located on the outer side of the belt and abuts against the belt, and a plurality of belts are provided. The first and second tension pulleys 441 and 442, respectively, are provided on a tension disc 443, and the tension disc 443 is movable or rotatable. The tension assembly 44 further comprises a tension member 444, the tension disc 443 is hinged with the chassis 11, one end of the tension disc 443 is connected with the tension member 444, and the tension member 444 is arranged on the chassis 11.

The power mechanism 5 includes an engine 51, and an output shaft of the engine 51 is connected to the first rotating shaft 41. The output shaft of the motor 51 is connected to the first rotating shaft 41 without being directly connected to the blade by the power of the motor 51. The power mechanism 5 comprises a battery and a battery output shaft 52, the battery and the battery output shaft 52 are arranged on the chassis 11, and the battery output shaft 52 is connected with the first rotating shaft 41 through a belt. The arrangement of the battery and the battery output shaft 52 provides standby power for the mower, and the mixed power is more convenient for the mower to use.

An air duct is arranged at the top of the second rotating shaft 42, an air inlet 12 and an air outlet 13 are arranged on the frame 1, and an air exhaust pipeline is arranged at the air outlet 13. The air duct, the air inlet 12 and the air outlet 13 are arranged, air cooling can be provided in the operation process of the mower, and continuous and stable work of electronic components of the controller at high temperature can be guaranteed. The air inlet 12 is detachably arranged. The air inlet 12 can be conveniently opened, and lubricating oil can be added to the internal parts without opening the frame 1.

In actual use, the belt is sleeved on the first rotating shaft 41 and the second rotating shaft 42, the first tensioning wheel 441 is placed on the inner side of the belt, the second tensioning wheel 442 is placed on the outer side of the belt, as shown in fig. 8, then the tensioning disc 443 is pulled by the tension member 444, the tensioning disc 443 rotates or moves, the first tensioning wheel 441 and the second tensioning wheel 442 displace, the belt is tensioned, and the belt is installed. The tension member 444 is used for providing tension, so that the tension disc 443 can be conveniently moved, the pulley structure shown in fig. 8 and 9 can be arranged, other structures can be arranged, a plurality of belts can be arranged, two belts can be arranged, and the problem that the damage of one belt affects the use effect is solved.

Because second axis of rotation 42 below is mowing blade, so can produce a large amount of heats in its in-process of operation, set up the wind channel (the wind channel sets up a passageway promptly, passes through by the air current) in the top of second axis of rotation 42, the wind channel can set to: disc top trompil forms the wind channel, and in the in-service use process, air outlet 13 produces the negative pressure through engine 51, and the gas in frame 1 inside and the wind channel comes to air outlet 13 department, arouses the air current disturbance, utilizes the gas that flows to carry out the inside cooling of frame 1.

Example 4

As shown in fig. 1-4 and 11-13, the remote control mower with a lifting structure of the present embodiment includes a vehicle frame 1 and a cutter lifting mechanism 6, wherein the vehicle frame 1 is connected to a chassis 11, and the cutter lifting mechanism 6 is respectively connected to the vehicle frame 1 and the chassis 11. In the use of lawn mower, the height of blade is adjusted according to the length of grass that leaves, and the blade is installed on the blade disc, and the blade disc setting is on chassis 11, through blade disc elevating system 6, adjusts the distance between chassis 11 and the ground, realizes the adjustment of blade height, satisfies the needs that different grass length was pruned.

The frame 1 is provided with a connecting beam 14, the cutter head lifting mechanism 6 is arranged on the connecting beam 14, and the cutter head lifting mechanism 6 is connected with the chassis 11. The coupling beam 14 is arranged on the frame 1, and the distance from the ground is kept constant during use, and can be used as an adjustment reference. The two opposite sides of the frame 1 are respectively provided with a connecting beam 14, and the cutter head lifting mechanism 6 is respectively arranged on the two connecting beams 14. Due to the arrangement of the two groups of cutter head lifting structures, the mower can integrally lift and lower the blades.

The cutter head lifting mechanism 6 comprises a lifting shaft 61, a lifting frame 62, a lifting motor 63 and a lifting driving shaft 64, wherein one end of the lifting shaft 61 is connected with the chassis 11, and the other end of the lifting shaft passes through the connecting beam 14 and is in threaded connection with the lifting frame 62. Through the formation screw thread pair between lift axle 61 and the lift frame 62, realize the adjustment of the distance between lift frame 62 and tie-beam 14 through the helicitic texture, realize chassis 11 apart from the adjustment of ground height.

The number of the lifting shafts 61 is two, the lifting motor 63 is connected with a lifting driving shaft 64, the lifting driving shaft 64 is connected with one lifting shaft 61, and the lifting shaft 61 connected with the lifting driving shaft 64 is connected with the other lifting shaft 61. The adjustment of the lifting shaft 61 can be achieved by controlling the lifting motor 63. The lifting driving shaft 64 is connected with the lifting shaft 61 through a gear chain, a gear structure is arranged on the lifting shaft 61, the gear structure is in threaded connection with the lifting shaft 61, and the two lifting shafts 61 are connected through the gear chain. The cutter head lifting mechanism 6 further comprises an elastic member 65, the elastic member 65 is sleeved on the outer side of the lifting shaft 61, one side of the elastic member 65 abuts against the lifting frame 62, and the other side abuts against the connecting beam 14. The elastic member 65 is arranged to limit the maximum lifting of the chassis 11, and the elastic member 65 is a spring.

Through the arrangement of the cutter head lifting mechanism 6, the mower is more stable and durable in working, and the height of the mower is adjusted to be 0-120 mm.

Example 5

In this embodiment, on the basis of embodiment 4, the device further includes a PLC control mechanism 7, a transmission mechanism 4 and a power mechanism 5, and the PLC control mechanism 7 is electrically connected to the lifting motor 63 and the power mechanism 5, respectively.

The PLC control mechanism 7 comprises a remote controller and a PLC controller 71, the PLC controller 71 is respectively electrically connected with the lifting motor 63 and the power mechanism 5, the remote controller is in signal connection with the PLC controller 71, and the PLC controller 71 is arranged at the tail of the mower.

Example 6

The lawn mower of the embodiment is obtained by performing any feasible combination on the lawn mowers of the embodiments 1-5.

Claims (9)

1. The utility model provides a remote control lawn mower that can hinder more which characterized in that: including frame (1), walking actuating mechanism (2) and suspension mechanism (3), walking actuating mechanism (2) set up around frame (1), and walking actuating mechanism (2) include wheel (21), wheel (21) include plantago wheel and car rear wheel, the plantago wheel meets with suspension mechanism (3), suspension mechanism (3) meet with frame (1), the car rear wheel meets with frame (1).

2. A remote-controlled obstacle-crossing mower as claimed in claim 1, further comprising: the suspension mechanism (3) comprises a front wheel shaft (31), the front wheel shaft (31) is connected with a front wheel of the vehicle, and the front wheel shaft (31) is relatively rotatably connected with the vehicle frame (1).

3. A remote-controlled obstacle-crossing mower as claimed in claim 2, wherein: the front wheel shaft (31) is connected with the frame (1) through a shaft.

4. A remote-controlled obstacle-crossing mower as claimed in claim 3, wherein: the suspension mechanism (3) further comprises a central shaft (32), a rolling bearing (33) and a tapered roller bearing (34), the central shaft (32) is connected with the front wheel shaft (31) and the frame (1), and the rolling bearing (33) and the tapered roller bearing (34) are arranged on the central shaft (32).

5. A remote-controlled obstacle-crossing mower as claimed in claim 1, further comprising: the walking driving mechanism (2) further comprises a walking motor (22), and the walking motor (22) is connected with the wheels (21).

6. A remote-controlled obstacle-crossing mower as claimed in claim 5, wherein: the number of the wheels (21) is four, the number of the walking motors (22) is four, and one wheel (21) is connected with one walking motor (22).

7. A remote-controlled obstacle-crossing mower as claimed in claim 5 or 6, wherein: the device is characterized by further comprising a PLC control mechanism (7), wherein the PLC control mechanism (7) is connected with the traveling driving mechanism (2).

8. A remote-controlled obstacle-crossing mower as claimed in claim 7, wherein: the PLC control mechanism (7) comprises a remote controller and a PLC controller (71), the PLC controller (71) is electrically connected with the walking motor (22), and the remote controller is in signal connection with the PLC controller (71).

9. A remote-controlled obstacle-crossing mower as claimed in claim 7, wherein: the power mechanism is characterized by further comprising a transmission mechanism (4) and a power mechanism (5), wherein the transmission mechanism (4) is connected with the power mechanism (5), and the power mechanism (5) is electrically connected with the PLC control mechanism (7).

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