CN113455172A

CN113455172A - Ecological agriculture and forestry are with high-efficient weeding device

Info

Publication number: CN113455172A
Application number: CN202110678763.1A
Authority: CN
Inventors: 郭嘉
Original assignee: Neijiang Vocational and Technical College
Current assignee: Neijiang Vocational and Technical College
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-10-01
Anticipated expiration: 2041-06-18
Also published as: CN113455172B

Abstract

The invention discloses a high-efficiency weeding device for ecological agriculture and forestry, which comprises a machine body, a supporting rod and a weeding assembly, wherein a control system and an energy supply system are arranged in the machine body; one end of the support rod is provided with a handle; weeding subassembly includes the support, first motor, the action wheel, first from the driving wheel, saw wire and tensioning piece, the other end of bracing piece is located to the support, action wheel and first from the driving wheel rotation connect in the support, and the action wheel sets up with first interval from the driving wheel on the support, first motor is connected with energy supply system and the equal electricity of control system, first motor is used for driving the action wheel, the saw wire cover is located the action wheel and first from the driving wheel, first from the driving wheel can be close to or keep away from the action wheel, the support is located to the tensioning piece, a tensioning degree for adjusting the saw wire. The efficient weeding device for ecological agriculture and forestry has the advantages of strong environment adaptability and high weeding efficiency.

Description

Ecological agriculture and forestry are with high-efficient weeding device

Technical Field

The invention relates to the technical field of weeding devices, in particular to a high-efficiency weeding device for ecological agriculture and forestry.

Background

A lawn mower is a mechanical tool used for trimming lawns and vegetation.

The mower in the prior art comprises parts such as cutter head, engine, walking wheel, running gear, blade, handrail, control, and its action process is: the working personnel push the mower to move through the handrail and the traveling mechanism, and the engine drives the cutter head and the blades to rotate, so that the function of cutting weeds by the blades in the moving process is realized.

However, the mowing width of the current mower cannot be adjusted, and when the mower is used in ecological agriculture and forestry, the mower with the single mowing width cannot remove weeds in some narrow areas or effectively weed in wide areas due to the complex environment in the ecological agriculture and forestry.

Therefore, a weeding device with adjustable mowing width is needed to adapt to different environments in ecological agriculture and forestry and realize efficient weeding.

Disclosure of Invention

The invention mainly aims to provide a high-efficiency weeding device for ecological agriculture and forestry, and aims to provide a weeding device with adjustable mowing width so as to adapt to different environments in the ecological agriculture and forestry and realize high-efficiency weeding.

In order to achieve the purpose, the invention provides an efficient weeding device for ecological agriculture and forestry, which comprises a machine body, a supporting rod and a weeding component, wherein,

a control system and an energy supply system are arranged in the machine body;

one end of the supporting rod is provided with a handle;

weeding subassembly includes support, first motor, action wheel, first from driving wheel, saw wire and tensioning piece, the support is located the other end of bracing piece, the action wheel with first from the driving wheel rotate connect in the support, just the action wheel with first from the driving wheel is in the interval sets up on the support, first motor with energy supply system reaches the equal electricity of control system is connected, first motor is used for the drive the action wheel, the saw wire cover is located the action wheel with first from the driving wheel is last, and first from the driving wheel can be close to or keep away from the action wheel, tensioning piece is located the support is used for adjusting the tensioning degree of saw wire.

In an embodiment, the bracket includes a first mounting rod and a second mounting rod, the first mounting rod is disposed at the other end of the support rod, the driving wheel is rotatably connected to one end of the first mounting rod, the second mounting rod is rotatably connected to the other end of the first mounting rod, the first driven wheel is rotatably connected to the second mounting rod, and the second mounting rod is capable of rotating relative to the first mounting rod so that the first driven wheel is close to or far away from the driving wheel.

In one embodiment, the first driven wheel is arranged at one end of the second mounting rod;

the weeding assembly further comprises a second driven wheel, the second driven wheel is rotatably connected to the other end of the second mounting rod, and the saw wire is simultaneously sleeved on the driving wheel, the first driven wheel and the second driven wheel.

In one embodiment, two ends of the second mounting rod are respectively provided with a mounting portion in a protruding manner, and the first driven wheel and the second driven wheel are respectively connected to the two mounting portions in a rotating manner.

In one embodiment, when the second mounting rod rotates to a position perpendicular to the first mounting rod, the driving wheel, the first driven wheel and the second driven wheel form an equilateral triangle.

In an embodiment, the tensioning member includes an elastic telescopic rod and a tensioning wheel, the fixed rod of the elastic telescopic rod is disposed on the bracket, the movable rod of the elastic telescopic rod is rotatably connected with the tensioning wheel, and the tensioning wheel can abut against the saw wire along with the tensioning wheel and adjust the tensioning force of the saw wire through the elastic force of the elastic telescopic rod.

In one embodiment, the elastic telescopic rod is arranged on the second mounting rod, and the elastic telescopic rod extends obliquely from the second driven wheel to the driven direction;

when the second mounting rod rotates to a position perpendicular to the first mounting rod, the elastic telescopic rod and the tensioning wheel face to one side of the second mounting rod facing to the driving wheel.

In an embodiment, the weeding subassembly still includes actuating mechanism, actuating mechanism includes second motor and speed reduction drive mechanism, the second motor with control system reaches energy supply system is all connected electrically, the second motor passes through speed reduction drive mechanism drive the rotation of second installation pole.

In one embodiment, the supporting rod is slidably connected to the first mounting rod and can slide along the length direction of the first mounting rod;

the efficient weeding device further comprises a connecting rod, one end of the connecting rod is rotatably connected with the second installation rod, the other end of the connecting rod is rotatably connected with the supporting rod, and the connecting rod is used for driving the supporting rod to slide relative to the first installation rod when the second installation rod rotates.

In an embodiment, the bottom of the rotating shaft of the driving wheel, the first driven wheel and the second driven wheel is further provided with a supporting roller, and the supporting roller is a universal wheel.

The utility model provides an ecological agriculture and forestry are with high-efficient weeding device is through locating the saw wire cover action wheel and the first from the driving wheel to set up the first driving wheel into can be close to or keep away from the action wheel, the tensioning force of saw wire is adjusted to rethread tensioning member, so, alright through the action wheel and the first regulation of following interval between the driving wheel, in order to realize weeding subassembly width's regulation of mowing. It can be seen that, compare in the fixed weeding device of width of mowing, the ecological agriculture and forestry of this application is with high-efficient weeding device has that the environmental suitability is strong, advantage that weeding efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of the efficient weeding device for ecological agriculture and forestry of the present invention;

FIG. 2 is a schematic view of the support rod and the weeding assembly in the embodiment of FIG. 1;

FIG. 3 is a schematic structural view of the weeding assembly in the embodiment of FIG. 1;

FIG. 4 is a schematic view of the construction of the weeding assembly when the second mounting rod is rotated to be parallel to the first mounting rod in the embodiment shown in FIG. 1;

fig. 5 is a schematic view of the tension member of the embodiment of fig. 1.

The reference numbers illustrate:

1. a body; energy supply 2 and a support rod; 21. a handle; 3. a herbicidal assembly; 31. a support; 311. a first mounting bar; 312. a second mounting bar; 312a, an installation part; 32. a first motor; 33. a driving wheel; 34. a first driven wheel; 35. sawing wires; 36. a tensioning member; 361. an elastic telescopic rod; 362. a tension wheel; 37. a second driven wheel; 4. a drive mechanism; 41. a second motor; 42. a reduction transmission mechanism; 5. a connecting rod; 51. a strut; 6. supporting roller

The achievement of the objects, the energy supply characteristics and the advantages of the invention will be further explained by combining the embodiments and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a high-efficiency weeding device for ecological agriculture and forestry.

In the embodiment of the invention, as shown in fig. 1 to 5, the efficient weeding device for ecological agriculture and forestry comprises a machine body 1, a support rod 2 and a weeding component 3.

Specifically, the machine body 1 may be a handheld type or a backpack type, a control system (not shown) and an energy supply system (not shown) are integrated in the machine body 1, the control system is used for controlling the on/off, output efficiency and the like of the weeding device, the energy supply system can supply energy to the driving component, the control system and the like, and generally, the energy supply system takes a storage battery as a core. Of course, the energy supply system can also take a diesel generator as a core and the like.

One end of the support rod 2 is provided with a handle 21, and the other end is provided with a weeding component 3. The handle 21 is provided with control buttons (not shown) electrically connected to the control system, and the control buttons include, but are not limited to, a power-on/power-off button of the weeding device, a rotation speed adjusting button of the weeding assembly 3, and a shape control button of the weeding assembly 3. The supporting rod 2 can be used for facilitating the user to operate the weeding component 3 to weed.

The weeding assembly 3 comprises a bracket 31, a first motor 32, a driving wheel 33, a first driven wheel 34 and a saw wire 35. The bracket 31 is disposed at the other end of the support rod 2, the first motor 32 is disposed on the bracket 31, the driving wheel 33 and the first driven wheel 34 are rotatably connected to the bracket 31, and the driving wheel 33 and the first driven wheel 34 are disposed on the bracket 31 at an interval. The first motor 32 is used to drive the driving wheel 33. The saw wire 35 is sleeved on the driving wheel 33 and the first driven wheel 34. Specifically, when the first motor 32 drives the driving wheel 33 to rotate, the saw wire 35 can be driven by the driving wheel 33 and the first driven wheel 34 to rotate at a high speed to cut weeds. The saw wire 35 may be a metal wire, a plastic wire, a fiber wire, a composite wire, or the like. Illustratively, the desired saw wire 35 may be prepared by adding metal particles, diamond particles, etc. to the fibers or plastic. The distance between the driving wheel 33 and the first driven wheel 34 can be regarded as the mowing width of the weeding assembly 3.

In this embodiment, the first driven wheel 34 can also be close to or far away from the driving wheel 33 to change the distance between the driving wheel 33 and the first driven wheel 34. It will be appreciated that as the spacing between the primary pulley 33 and the primary driven pulley 34 changes, the width of the grass cut by the grass cutting assembly 3 changes. Therefore, the operator can reduce the mowing width of the weeding component 3 to remove weeds in a narrow area or increase the mowing width of the weeding component 3 to efficiently weed in a wide area. Therefore, the high-efficiency weeding device for the ecological agriculture and forestry can adapt to different environments and realize high-efficiency weeding.

Further, in order to ensure that the saw wire 35 is kept under tension after the first driven wheel 34 is moved, the weeding assembly 3 of the present application further includes a tension member 36, and the tension member 36 is provided on the bracket 31 to adjust the tension of the saw wire 35. The tensioning force of the saw wire 35 can be adjusted in real time through the tensioning piece 36, and then the saw wire 35 can be ensured to be always in a tensioning state, so that the removing effect of the saw wire 35 on weeds is ensured.

In summary, the efficient weeding device for ecological agriculture and forestry according to the technical scheme of the application is provided with the saw wire 35 sleeved on the driving wheel 33 and the first driven wheel 34, the first driven wheel 34 is arranged to be close to or far away from the driving wheel 33, and the tensioning force of the saw wire 35 is adjusted through the tensioning piece 36, so that the distance between the driving wheel 33 and the first driven wheel 34 can be adjusted, and the mowing width of the weeding assembly 3 can be adjusted. It can be seen that, compare in the fixed weeding device of width of mowing, the ecological agriculture and forestry of this application is with high-efficient weeding device has that the environmental suitability is strong, advantage that weeding efficiency is high.

Specifically, in the present embodiment, the bracket 31 includes a first mounting rod 311 and a second mounting rod 312. The first mounting rod 311 is disposed at the other end of the support rod 2, the driving wheel 33 is rotatably connected to one end of the first mounting rod 311, the second mounting rod 312 is rotatably connected to the other end of the first mounting rod 311, the first driven wheel 34 is rotatably connected to the second mounting rod 312, and the second mounting rod 312 can rotate relative to the first mounting rod 311, so that the first driven wheel 34 is close to or far away from the driving wheel 33.

Specifically, the driving pulley 33 is disposed on the first mounting rod 311, the first driven pulley 34 is disposed on the second mounting rod 312, and the distance between the first driven pulley 34 and the driving pulley 33 is changed by adjusting the rotation angle of the second mounting rod 312 relative to the first mounting rod 311. When the second mounting rod 312 rotates, in addition to adjusting the distance between the first driven wheel 34 and the driving wheel 33, the width of the bracket 31 can be adjusted, so that the width of the bracket 31 changes along with the change of the mowing width. Thus, the holder 31 is spread in a wide area and narrowed in a narrow area, thereby further improving the environmental adaptability of the herbicidal assembly 3. Of course, the design of the present application is not limited thereto, and in other embodiments, the first driven pulley 34 may also slide closer to or farther from the driving pulley 33.

Specifically, the first driven pulley 34 is provided at one end of the second mounting lever 312. This arrangement is advantageous in that the maximum distance between the first driven pulley 34 and the driving pulley 33 is increased, and the minimum distance between the first driven pulley 34 and the driving pulley 33 is reduced.

Further, the weeding assembly 3 further includes a second driven wheel 37, the second driven wheel 37 is rotatably connected to the other end of the second mounting rod 312, and the saw wire 35 is simultaneously sleeved on the driving wheel 33, the first driven wheel 34 and the second driven wheel 37.

It can be understood that the second driven wheel 37 is further disposed at the other end of the mounting rod, and the saw wire 35 is simultaneously sleeved on the driving wheel 33, the first driven wheel 34 and the second driven wheel 37, so that the tensioning strength of the saw wire 35 can be improved, and the mowing efficiency of the weeding assembly 3 can be further improved. In addition, the driving wheel 33, the first driven wheel 34 and the second driven wheel 37 can enable the saw wire 35 to form a triangular structure, so that the structural strength of the weeding assembly 3 is improved, and the risk that the saw wire 35 is wound by weeds is favorably reduced.

Furthermore, two ends of the second mounting rod 312 are respectively provided with a mounting portion 312a in a protruding manner, and the first driven wheel 34 and the second driven wheel 37 are respectively connected to the two mounting portions 312a in a rotating manner. The first driven wheel 34 and the second driven wheel 37 are respectively arranged on the two installation parts 312a, so that the distance between the saw wire 35 and the second installation rod 312 can be increased, and further, the weeds are prevented from being wound between the second installation rod 312 and the saw wire 35 during weeding, and the stability of the work of the weeding assembly 3 is improved.

Specifically, when the second mounting rod 312 is rotated to a position perpendicular to the first mounting rod 311, the driving wheel 33, the first driven wheel 34 and the second driven wheel 37 form an equilateral triangle. Like this, be favorable to improving the structural stability of weeding subassembly 3 on the one hand, on the other hand makes the subassembly 3 that weeds can all-roundly be cut off to weed, has improved weeding subassembly 3's ease of use. Of course, the design of the present application is not limited thereto, and in other embodiments, the driving wheel 33, the first driven wheel 34 and the second driven wheel 37 may also form an isosceles triangle, a right triangle, or the like.

Furthermore, the supporting rollers 6 are further mounted at the bottom of the rotating shafts of the driving wheel 33, the first driven wheel 34 and the second driven wheel 37, and the supporting rollers 6 are universal wheels. The mowing assembly can be supported by the supporting roller 6 so as to be convenient for a user to use, and the supporting roller 6 is a universal wheel, so that when the mowing width of the mowing assembly 3 is changed, the supporting of the mowing assembly 3 cannot be influenced.

Based on the above technical solution, in this embodiment, the tensioning member 36 includes an elastic telescopic rod 361 and a tensioning wheel 362, wherein a fixing rod (not labeled) of the elastic telescopic rod 361 is disposed on the bracket 31, a movable rod (not labeled) of the elastic telescopic rod 361 is rotatably connected with the tensioning wheel 362, the tensioning wheel 362 abuts against the saw wire 35, and the tensioning force of the saw wire 35 is adjusted by the elastic force of the elastic telescopic rod 361.

Specifically, the elastic retractable rod 361 includes a fixed rod and a movable rod, the fixed rod is provided with a slot (not shown), the slot is provided with an elastic member (not shown), the movable rod is inserted into the slot and receives an elastic force of the elastic member, the movable rod partially extends out of the slot, and the tensioning wheel 362 is rotatably connected to one end of the movable rod extending out of the fixed rod. Since the tension pulley 362 abuts against the saw wire 35, the saw wire 35 can be tensioned by the elastic force of the rod elastic member.

Alternatively, the elastic member may be a spring or a leaf spring.

Further, the elastic extension bar 361 is provided on the second mounting bar 312, and the elastic extension bar 361 extends from the second driven wheel 37 toward the first driven wheel 34.

It can be understood that, first, the elastic extension bar 361 is provided to the second mounting bar 312, such that the elastic extension bar 361 and the tension wheel 362 can rotate with the rotation of the second mounting bar 312, so that the tension member 36 can dynamically tension the saw wire 35. Secondly, the elastic extension rod 361 extends from the second driven wheel 37 to the first driven wheel 34, so that an acute included angle is formed between the elastic extension rod 361 and the second mounting rod 312, which is not only beneficial to improving the structural stability of the elastic extension rod 361 and the second mounting rod 312, but also beneficial to tensioning the saw wire 35 by the tensioning wheel 362.

Specifically, when the second mounting rod 312 rotates to a position perpendicular to the first mounting rod 311, the elastic extension rod 361 and the tension wheel 362 face to a side of the second mounting rod 312 facing to the driving wheel 33. In this way, the tension member 36 is located inside the triangle formed by the driving wheel 33, the first driven wheel 34 and the second driven wheel 37, so that the tension member 36 can be prevented from interfering with the saw wire 35 to cut grass.

Further, the weeding assembly 3 of this application still includes actuating mechanism 4, and this actuating mechanism 4 includes second motor 41 and speed reduction transmission mechanism 42, and this second motor 41 all is connected with control system and energy supply system electricity, and this second motor 41 passes through this speed reduction transmission mechanism 42 drive second installation pole 312 and rotates.

Through the arrangement, when the mower is used, a user can control the second motor 41 through the control system so as to control the rotation of the second mounting rod 312, and the adjustment of the effective mowing width of the weeding assembly 3 is realized. So set up, be favorable to improving the automation level of weeding device to convenient to the user uses.

Specifically, the second motor 41 is provided on the first mounting rod 311, and the second motor 41 is drivingly connected to the second mounting rod 312 through the reduction gear mechanism 42. The second motor 41 is in driving connection with the second mounting rod 312 through the reduction transmission mechanism 42, which is beneficial to improving the output torque of the second motor 41 on one hand, and is beneficial to reducing the output rotating speed of the motor on the other hand, so as to reduce the rotating speed of the second mounting rod 312, and further improve the stability of the rotation of the second motor 41.

Preferably, the reduction gear mechanism 42 is a gear mechanism. The gear transmission mechanism is selected to help realize multi-stage speed reduction between the second motor 41 and the second mounting rod 312, so that the output rotating speed of the second motor 41 can be reduced to a greater extent.

Specifically, the gear transmission mechanism includes a driving gear (not shown) disposed on the output shaft of the second motor 41, a driven gear (not shown) disposed on the second mounting rod 312, and a reduction gear set (not shown) engaged between the driving gear and the driven gear, and the reduction gear set is rotatably connected to the first mounting rod 311.

Of course, the design of the present application is not limited thereto, and in other embodiments, the reduction gear mechanism 42 may also be a belt-driven reduction gear mechanism.

Further, the support rod 2 is slidably connected to the first mounting rod 311 and is slidable along the length direction of the first mounting rod 311. On the basis of the above embodiment, the high-efficiency weeding device of the present application further includes a connecting rod 5, one end of the connecting rod 5 is rotatably connected to the second mounting rod 312, and the other end is rotatably connected to the supporting rod 2, and the connecting rod 5 is used for driving the supporting rod 2 to slide compared to the first mounting rod 311 when the second mounting rod 312 rotates. Here, the sliding of the slider compared to the first mounting rod 311 may be that the first mounting rod 311 is stationary, and the support rod 2 slides on the first mounting rod 311; alternatively, the supporting rod 2 may be fixed, and the first mounting rod 311 may slide relative to the slider.

Because the centre of gravity of support 31 can be changed in the rotation of second installation pole 312, then, can adjust the bracing piece 2 in the hookup location with first installation pole 311 when second installation pole 312 rotates through this connecting rod 5, so, bracing piece 2 can shift along with the shift of support 31 centre of gravity in the hookup location of support 31, and then make the connection of bracing piece 2 maintain and be located or be close to the centre of gravity of support 31 all the time, so the design, can be convenient for user operation weeding subassembly 3, promote user's use experience.

Optionally, the connecting rod 5 includes two supporting rods 51 disposed at an included angle, and the two supporting rods 51 are respectively rotatably connected to the second mounting rod 312 and the supporting rod 2. By such an arrangement, the driving mechanism 4 on the first mounting rod 311 is beneficial to the connecting rod 5, and the second mounting rod 312 facilitates the supporting rod 2 to slide relative to the sliding block.

Further, the weeding assembly 3 of the present application further includes a baffle (not shown) disposed on a side of the first mounting rod 311 facing the machine body 1 to form a shelter. The baffle can prevent weed residues generated in weeding from flying to users so as to protect the users.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an ecological agriculture and forestry are with high-efficient weeding device which characterized in that includes:

the energy-saving device comprises a machine body, wherein a control system and an energy supply system are arranged in the machine body;

one end of the support rod is provided with a handle; and

weeding subassembly, including support, first motor, action wheel, first from driving wheel, saw wire and tensioning piece, the support is located the other end of bracing piece, the action wheel with first from the driving wheel rotate connect in the support, just the action wheel with first from the driving wheel is in the interval sets up on the support, first motor with energy supply system reaches the equal electricity of control system is connected, first motor is used for the drive the action wheel, the saw wire cover is located the action wheel with first from the driving wheel is last, and first from the driving wheel can be close to or keep away from the action wheel, tensioning piece is located the support is used for adjusting the tensioning degree of saw wire.

2. The ecological agriculture and forestry efficient weeding device as claimed in claim 1, wherein the bracket comprises a first mounting rod and a second mounting rod, the first mounting rod is disposed at the other end of the support rod, the driving wheel is rotatably connected to one end of the first mounting rod, the second mounting rod is rotatably connected to the other end of the first mounting rod, the first driven wheel is rotatably connected to the second mounting rod, and the second mounting rod is rotatable relative to the first mounting rod to enable the first driven wheel to approach or separate from the driving wheel.

3. The ecological agriculture and forestry efficient weeding device as claimed in claim 2, wherein said first driven wheel is provided at one end of said second mounting rod;

4. The efficient weeding device for ecological agriculture and forestry as claimed in claim 3, wherein a mounting portion is protruded from each end of said second mounting rod, and said first driven wheel and said second driven wheel are rotatably connected to said mounting portions, respectively.

5. The ecological agriculture and forestry efficient weeding device as claimed in claim 3, wherein when the second mounting rod is rotated to a position perpendicular to the first mounting rod, the driving wheel, the first driven wheel and the second driven wheel form an equilateral triangle.

6. The efficient weeding apparatus for ecological agriculture and forestry as claimed in claim 5, wherein said tensioning member comprises an elastic telescopic rod and a tensioning wheel, wherein a fixed rod of said elastic telescopic rod is disposed on said support, a movable rod of said elastic telescopic rod is pivotally connected to said tensioning wheel, said tensioning wheel is capable of abutting against said saw wire along with said tensioning wheel, and the tensioning force of said saw wire is adjusted by the elastic force of said elastic telescopic rod.

7. The efficient ecological weeding device for agriculture and forestry as claimed in claim 6, wherein said elastic expansion link is disposed on said second mounting rod, and said elastic expansion link extends obliquely from said second driven wheel toward said driven wheel;

8. The efficient weeding device for ecological agriculture and forestry as claimed in claim 2, wherein said weeding assembly further comprises a driving mechanism, said driving mechanism comprises a second motor and a reduction transmission mechanism, said second motor is electrically connected with both said control system and said energy supply system, and said second motor drives said second mounting rod to rotate through said reduction transmission mechanism.

9. The efficient ecological weeding device for agriculture and forestry as claimed in claim 2, wherein said support rod is slidably connected to said first mounting rod and is slidable along the length direction of said first mounting rod;

10. The efficient weeding device for ecological agriculture and forestry as claimed in claim 2, wherein support rollers are further mounted at the bottoms of the rotating shafts of the driving wheel, the first driven wheel and the second driven wheel, and the support rollers are universal wheels.