CN220630108U - Automatic obstacle avoidance weeding device - Google Patents

Abstract

The utility model relates to the field of highway maintenance equipment, in particular to an automatic obstacle avoidance weeding device. The automatic obstacle avoidance weeding device comprises a movable driving part and a weeding part, wherein the weeding part is connected with the movable driving part, and the movable driving part is used for driving the weeding part to move. The weeding component comprises at least three cutterhead assemblies, a driving assembly and a connecting piece, wherein the driving assembly is connected with the cutterhead assemblies to drive cutting pieces of the cutterhead assemblies to rotate. The connecting piece is rotatably connected with the driving component, the cutter head components are fixedly connected with the connecting piece, and an avoidance opening is formed between any two adjacent cutter head components. According to the automatic obstacle avoidance weeding device provided by the utility model, the three cutter head assemblies can realize automatic obstacle avoidance of the guardrail upright posts, and meanwhile, weed near the guardrail upright posts is cleaned. Through mechanical operation, the efficiency of cleaning up weeds near the guardrail stand is effectively improved, has effectively reduced the potential safety hazard of highway weeding operation simultaneously.

Description

Automatic obstacle avoidance weeding device

Technical Field

The utility model relates to the field of highway maintenance equipment, in particular to an automatic obstacle avoidance weeding device.

Background

The weed cleaning is an important work of high-speed daily maintenance, and the weed cleaning of parts with larger working space such as side slopes, road shoulders and the like is simpler, but the weed cleaning below and nearby guardrail posts at the edges of roads is blocked by the guardrails and the posts, so that the weed cleaning work is complicated. Normally, the weeds at the part are manually removed, and the manual removal of the weeds at the highway guardrails in the long highway section is not only low in efficiency, but also has a great potential safety hazard when moving operators to work in the highway.

Disclosure of Invention

The present utility model is directed to solving at least one of the technical problems existing in the related art. Therefore, the utility model provides an automatic obstacle avoidance weeding device, which effectively solves the problems that the efficiency of manually cleaning the weeds on the highway guardrails is low and the potential safety hazard is large.

The utility model provides an automatic obstacle avoidance weeding device, which comprises:

a movement driving part;

the weeding component is connected with the movement driving component and is used for driving the weeding component to move; the weeding component comprises a driving component, a connecting piece and at least three cutterhead components, wherein the driving component is connected with the cutterhead components so as to drive a cutting piece of the cutterhead components to rotate; the connecting piece is rotatably connected with the driving component, the cutter head component is fixedly connected with the connecting piece, and an avoidance opening is formed between any two adjacent cutter head components.

According to the automatic obstacle avoidance weeding device provided by the embodiment of the utility model, the cutter head assembly is provided with the cutter head, the cutting piece is rotatably arranged on the cutter head, the cutter heads of at least three cutter head assemblies are fixedly connected with the connecting piece, and at least three cutter head circumferences are arranged on the connecting piece.

According to the automatic obstacle avoidance weeding device provided by the embodiment of the utility model, the cutterhead assembly further comprises a first buffer piece, and the first buffer piece is arranged on the periphery of the cutterhead in a surrounding mode.

According to the automatic obstacle avoidance weeding device provided by the embodiment of the utility model, the driving assembly comprises the motor and the transmission piece, and the output shaft of the motor is connected with the cutting piece through the transmission piece so that the motor drives the cutting piece to rotate.

According to the automatic obstacle avoidance weeding device provided by the embodiment of the utility model, the cutting piece comprises a rotating shaft and a blade, and one end of the rotating shaft is connected with the blade; one end of the rotating shaft, which is far away from the blade, penetrates through the cutter disc and is connected with the transmission piece.

According to the automatic obstacle avoidance weeding device provided by the embodiment of the utility model, the driving assembly further comprises a motor protective cover, and the motor protective cover is sleeved on the motor.

According to the automatic obstacle avoidance weeding device provided by the embodiment of the utility model, the driving assembly further comprises a second buffer piece, and the second buffer piece is arranged on the periphery of the motor protection cover in a surrounding mode.

According to the embodiment of the utility model, the automatic obstacle avoidance weeding device comprises:

the fixing frame is connected with the driving assembly and used for connecting the weeding component with the conveying device.

According to the automatic obstacle avoidance weeding device provided by the embodiment of the utility model, the movable driving part further comprises:

the support rod assembly comprises a first connecting frame, a second connecting frame and a plurality of support rods, and the first connecting frame is fixedly connected with the fixing frame; the first end of the supporting rod is rotatably connected with the first connecting frame, and the second end of the supporting rod is rotatably connected with the second connecting frame; the second connecting frame is connected with the driving assembly;

the driving piece is connected with the second end of the supporting rod.

According to the automatic obstacle avoidance and weeding device provided by the embodiment of the utility model, the driving piece comprises the hydraulic cylinder, the hydraulic cylinder is positioned at the top of the supporting rod assembly, the cylinder body of the hydraulic cylinder is rotatably connected with the first connecting frame, and the telescopic rod of the hydraulic cylinder is rotatably connected with the second connecting frame.

The above technical solutions in the embodiments of the present utility model have at least one of the following technical effects:

according to the automatic obstacle avoidance weeding device provided by the embodiment of the utility model, in the process that the weeding component is driven to move by the moving driving component, the driving component drives the cutting piece in the cutterhead component to rotate so as to clear weeds at the edge of a road. When the weeding part moves to the guardrail upright post at the edge of the road, the guardrail upright post touches one of the cutterhead assemblies, and under the interaction force action between the cutterhead assemblies and the guardrail upright post, the guardrail upright post moves to the avoidance opening between any two adjacent cutterhead assemblies.

Simultaneously remove drive part drive weeding part and remove, under the reaction force of guardrail stand, one of them blade disc subassembly realizes rotating around drive assembly through the connecting piece to under the cooperation of dodging the mouth, this blade disc subassembly can bypass the guardrail stand, and two other blade disc subassemblies rotate around the guardrail stand in step simultaneously. And when weeding parts weed, three cutterhead assemblies can automatically avoid barriers to the guardrail posts, and weeds near the guardrail posts are cleaned. Through the mechanical operation of automatic obstacle avoidance weeding device, the efficiency of clearing up weeds near the guardrail stand has effectively been improved, has effectively reduced the potential safety hazard of highway weeding operation simultaneously.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a front view structure of an automatic obstacle avoidance weeding device according to an embodiment of the present utility model;

fig. 2 is a schematic top view of a weeding component according to an embodiment of the present utility model.

Reference numerals:

110. a fixing frame; 111. stiffening ribs;

120. a support rod assembly; 121. a first connection frame; 122. a second connecting frame;

123. a support rod;

130. a driving member; 131. a cylinder; 132. a piston rod;

210. a cutterhead assembly;

211. a cutting member; 2111. a rotating shaft; 2112. a blade; 212. a cutterhead;

213. an avoidance port;

220. a drive assembly; 221. a motor; 222. a transmission member; 223. a motor protection cover; 224. a second buffer member;

230. a connecting piece; 231. triangular steel plate.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The following describes an automatic obstacle avoidance weeding device provided by the utility model with reference to fig. 1 and 2.

Fig. 1 illustrates a schematic front view structure of an automatic obstacle avoidance weeding device according to an embodiment of the present utility model, and fig. 2 illustrates a schematic top view structure of an automatic obstacle avoidance weeding device according to an embodiment of the present utility model, where, as shown in fig. 1 and fig. 2, the automatic obstacle avoidance weeding device includes a moving driving component and a weeding component, the weeding component is connected with the moving driving component, and the moving driving component is used for driving the weeding component to move. The weeding means comprises a driving assembly 220, a connecting piece 230 and at least three cutterhead assemblies 210, wherein the driving assembly 220 is connected with the cutterhead assemblies 210 to drive the cutting pieces 211 of the cutterhead assemblies 210 to rotate. The connecting member 230 is rotatably connected with the driving assembly 220, the cutterhead assemblies 210 are fixedly connected with the connecting member 230, and a dodging port 213 is formed between any two adjacent cutterhead assemblies 210.

According to the automatic obstacle avoidance weeding device provided by the embodiment of the utility model, in the process that the weeding component is driven to move by the moving driving component, the driving component 220 drives the cutting piece 211 in the cutterhead component 210 to rotate so as to clear weeds at the edge of a road. When the weeding member moves to the guardrail posts at the road edges, the guardrail posts touch one of the cutterhead assemblies 210, and under the interaction force between the cutterhead assemblies 210 and the guardrail posts, the guardrail posts move to the avoidance openings 213 between any two adjacent cutterhead assemblies 210.

Meanwhile, the movable driving part drives the weeding part to move, one cutter head assembly 210 rotates around the driving assembly 220 through the connecting piece 230 under the reaction force of the guardrail upright post, and under the cooperation of the avoidance opening 213, the cutter head assembly 210 can bypass the guardrail upright post, and meanwhile, the other two cutter head assemblies 210 synchronously rotate around the guardrail upright post. And then when weeding parts weed out, three blade disc subassembly 210 can realize keeping away the barrier to the automation of guardrail stand, accomplishes simultaneously and clear up the weeds near the guardrail stand. Through the mechanical operation of automatic obstacle avoidance weeding device, the efficiency of clearing up weeds near the guardrail stand has effectively been improved, has effectively reduced the potential safety hazard of highway weeding operation simultaneously.

Here, the moving driving member is connected to a transporting device, and in this embodiment, the transporting device may be a transporting vehicle such as a road sweeper.

In the embodiment of the present utility model, as shown in fig. 1, the cutter head assembly 210 is provided with a cutter head 212, and the cutter 211 is rotatably provided to the cutter head 212. The cutterhead 212 of the at least three cutterhead assemblies 210 are fixedly connected with the connecting piece 230, and the cutterhead 212 of the at least three cutterhead assemblies 210 are circumferentially arranged on the connecting piece 230.

When the guardrail posts touch one of the cutterheads 212, a relative acting force is generated between the cutterhead 212 and the guardrail posts under the drive of the movable driving part. Under the reaction force of the guardrail posts, the cutterhead 212 rotates around the driving assembly 220 through the connecting piece 230, and under the cooperation of the avoidance opening 213, the cutterhead 212 can bypass the guardrail posts, and simultaneously, the other two cutterheads 212 synchronously bypass the guardrail posts, so that the automatic obstacle avoidance of the three cutterheads 212 to the guardrail posts is realized.

It should be noted that, in this embodiment, the diameter of the cutter head 212 is larger than the diameter of the cutting member 211, so as to ensure that the cutting member 211 does not collide with the guardrail posts during operation, and protect the cutting member 211 from damage.

It should be further noted that the connection member 230 is disposed between the cutterhead 212 and the driving assembly 220.

In the embodiment of the present utility model, as shown in fig. 2, the connection member 230 is a triangular steel plate 231, and the triangular steel plate 231 has three steel plate corners, and each steel plate corner is fixedly connected with the corresponding cutterhead 212 in a one-to-one correspondence. When the cutterhead 212 rotates under the reaction force of the guardrail posts, the triangular steel plate 231 rotates with the cutterhead about the drive assembly 220.

In this embodiment, each steel plate angle is welded to the corresponding cutterhead 212 in a one-to-one correspondence.

It should be noted that, the connecting member 230 is not limited to the triangular steel plate 231, and a sleeve may be provided on the output shaft of the driving assembly 220, and three connecting arms are welded on the sleeve, and each connecting arm is fixedly connected with the corresponding cutterhead 212 in a one-to-one correspondence manner.

In an embodiment of the present utility model, the cutterhead assembly 210 further includes a first buffer (not shown) that is disposed around the periphery of the cutterhead 212. The cutter 212 is protected by buffering the cutter 212 when the cutter 212 contacts the guardrail posts by the first buffer piece, so that the cutter 212 is ensured not to collide and deform when contacting the guardrail posts.

Illustratively, in the present embodiment, the first buffer member is a plurality of rollers, the outer periphery of the cutterhead 212 is provided with a connecting portion, and the rollers are rotatably disposed at the connecting portion. When the weeding component moves to the guardrail upright post, the roller at the periphery of the cutterhead 212 is in rolling contact with the upright post, so that the upright post is prevented from directly colliding with the periphery of the cutterhead 212, and the cutterhead 212 is protected.

Illustratively, in this embodiment, the first buffer member is a rubber pad, the rubber pad is disposed around the periphery of the cutterhead 212, and when the weeding member moves to the guardrail column, the column is in sliding contact with the rubber pad, so as to avoid the collision between the column and the periphery of the cutterhead 212, and protect the cutterhead 212.

Of course, the first buffer member is not limited to the roller or the rubber pad, and may be other buffer materials.

In the embodiment of the present utility model, as shown in fig. 1, the driving assembly 220 includes a motor 221 and a transmission member 222, and an output shaft of the motor 221 is connected to the cutting member 211 through the transmission member 222, so that the motor 221 drives the cutting member 211 to rotate.

Here, the transportation device is provided with a generator, the motor 221 is electrically connected to the generator, and the start and stop of the motor 221 can be directly controlled by the transportation device.

In an embodiment of the present utility model, as shown in fig. 1, the cutter 211 includes a rotation shaft 2111 and a blade 2112, and one end of the rotation shaft 2111 is connected to the blade 2112. One end of the rotating shaft 2111, which is far away from the blade 2112, is penetrated through the cutterhead 212 and is connected with the transmission piece 222. The rotation of the output shaft of the motor 221 is transmitted to the rotating shaft 2111 through the transmission member 222, and the rotating shaft 2111 drives the blade 2112 of the cutter 211 to rotate, so that the weeding component can perform weeding operation.

Illustratively, the driving member 222 includes a plurality of driving belts, a first limiting groove is disposed at an end of the rotating shaft 2111 away from the blade 2112, and at least three second limiting grooves are disposed at intervals on an output shaft of the motor 221. Each driving belt is connected with a first limit groove on a corresponding rotating shaft 2111 in a one-to-one correspondence manner, and meanwhile, each driving belt is connected with a second limit groove on an output shaft of the motor 221 in a one-to-one correspondence manner, so that the output shaft of the motor 221 is connected with the rotating shaft 2111 of the cutting piece 211, the motor 221 drives the rotating shaft 2111 to rotate through the driving belt, and then the blade 2112 is driven to rotate, and the weeding part can perform weeding operation.

Here, in the present embodiment, the number of the first limiting grooves, the second limiting grooves, and the driving belt is the same as the number of the cutterhead assemblies 210. In this embodiment, three cutterhead assemblies 210 are provided.

It should be noted that, in this embodiment, the rotating shaft 2111 and the blade 2112 are integrally formed, so as to reduce assembly parts of the automatic obstacle avoidance and weeding device, and simplify the assembly process. Of course, the connection mode of the rotating shaft 2111 and the blade 2112 is not limited to the integral molding, and the rotating shaft 2111 may be inserted into the blade 2112 or other connection modes may be adopted.

In the embodiment of the present utility model, as shown in fig. 2, the driving assembly 220 further includes a motor protection cover 223, and the motor protection cover 223 is sleeved on the motor 221 to maintain the normal operation of the output shaft of the motor 221, and meanwhile, the driving assembly is waterproof and dustproof.

In the embodiment of the present utility model, the driving assembly 220 further includes a second buffer member 224, and the second buffer member 224 is disposed around the outer periphery of the motor protection cover 223. When weeding operation is performed, the second buffer piece 224 is used for buffering when the motor protection cover 223 collides with the guardrail upright post, so that the guardrail plate is protected, and the guardrail plate is prevented from deforming due to collision with the motor protection cover 223.

Illustratively, in the present embodiment, the second buffer member 224 is a plurality of rollers, and the outer periphery of the motor protection cover 223 is welded with a connection portion, and the rollers are rotatably disposed at the connection portion. When the weeding part moves to the guardrail column, the rollers on the periphery of the motor protection cover 223 are in sliding contact with the guardrail plates, so that the guardrail plates are protected, and the guardrail plates are prevented from deforming due to collision with the motor protection cover 223.

Of course, the second buffer 224 is not limited to the roller, and may be a rubber pad or other buffer member.

In an embodiment of the present utility model, the moving driving part includes a fixing frame 110, the fixing frame 110 is connected with the driving assembly 220, and the fixing frame 110 is used for connecting the weeding part with the transportation device, so that the automatic obstacle avoidance weeding device can be hung on the transportation device and move along with the transportation device.

It should be noted that, in the present embodiment, the fixing frame 110 is welded to the transportation device by the stiffening ribs 111, and the stability and torsion resistance of the fixing frame 110 are improved by the stiffening ribs 111, so as to ensure that the fixing frame 110 is locally stable and can transmit concentrated force, and prevent the fixing frame 110 from being deformed due to the weight of the device during operation.

In an embodiment of the present utility model, the moving driving part further includes a supporting rod assembly 120 and a driving part 130, and the supporting rod assembly 120 is used to connect the weeding part with the transporting apparatus.

The support bar assembly 120 includes a first connection frame 121, a second connection frame 122, and a plurality of support bars 123, and the first connection frame 121 is fixedly connected with the fixing frame 110. The first end of the supporting rod 123 is rotatably connected to the first connection frame 121, and the second end of the supporting rod 123 is rotatably connected to the second connection frame 122. The second link 122 is coupled to the drive assembly 220. The driving member 130 is coupled to a second end of the support bar 123.

In this embodiment, when the weeding height of the weeding member is adjusted, the driving member 130 is controlled to move to push the supporting rod 123 to rotate around the first connecting frame 121, so that the height of the second end of the supporting rod 123 is controlled, and the height of the second connecting frame 122 is controlled. Since the second connecting frame 122 is connected with the driving component 220, when the height of the second connecting frame 122 is changed, the height of the driving component 220 is changed, and the height of the working surface of the weeding component can be controlled by controlling the movement of the driving piece 130. When the weeding height adjustment of the weeding member is completed, the height stop change of the control drive assembly 220 is achieved by controlling the drive member 130 to stop moving.

In this embodiment, the first end of the supporting rod 123 is hinged to the first connecting frame 121, and the second end of the supporting rod 123 is hinged to the second connecting frame 122. The first connecting frame 121 is welded to the fixing frame 110, and the second connecting frame 122 is welded to the motor cover 223.

It should be further noted that the driving member 130 is connected to a transporting device, and the movement of the driving member 130 is controlled by the transporting device.

In an embodiment of the present utility model, the driving member 130 comprises a hydraulic cylinder located on top of the support rod assembly 120. The cylinder body 131 of the hydraulic cylinder is rotatably connected with the first connecting frame 121, and the piston rod 132 of the hydraulic cylinder is rotatably connected with the second connecting frame 122.

In this embodiment, when the weeding height of the weeding component is adjusted, the piston rod 132 of the hydraulic cylinder is controlled to stretch and retract, so that the piston rod 132 pushes the supporting rod 123 to rotate around the first connecting frame 121, the height of the second end of the supporting rod 123 is controlled, the height of the second connecting frame 122 is further controlled, the height of the driving component 220 is changed along with the height, and the working surface height when the weeding component performs weeding operation is controlled by controlling the piston rod 132 of the hydraulic cylinder to stretch and retract. When the weeding height adjustment of the weeding member is completed, the height stop change of the control drive assembly 220 is achieved by controlling the piston rod 132 to stop moving.

The driving tool 130 is not limited to a hydraulic cylinder, and may be a member such as an electric cylinder, and may be configured to push the support rod 123 to rotate around the first link frame 121.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. An automatic obstacle avoidance and weeding device, which is characterized by comprising:

a movement driving part;

the weeding component is connected with the movement driving component and is used for driving the weeding component to move; the weeding component comprises a driving component, a connecting piece and at least three cutterhead components, wherein the driving component is connected with the cutterhead components so as to drive a cutting piece of the cutterhead components to rotate; the connecting piece is rotatably connected with the driving component, the cutter head component is fixedly connected with the connecting piece, and an avoidance opening is formed between any two adjacent cutter head components.

2. The automatic obstacle avoidance and weeding device according to claim 1, wherein the cutterhead assembly is provided with cutterhead, and the cutting member is rotatably arranged on the cutterhead; the cutterhead of at least three cutterhead assemblies is fixedly connected with the connecting piece, and at least three cutterheads are circumferentially arranged on the connecting piece.

3. The automatic obstacle avoidance and weeding device according to claim 2, wherein the cutterhead assembly further comprises a first buffer member disposed around the periphery of the cutterhead.

4. The automatic obstacle avoidance and weeding device according to claim 2 or 3, wherein the driving assembly comprises a motor and a transmission member, wherein an output shaft of the motor is connected with the cutting member through the transmission member, so that the motor drives the cutting member to rotate.

5. The automatic obstacle avoidance and weeding device according to claim 4, wherein the cutting member comprises a shaft and a blade, wherein one end of the shaft is connected to the blade; one end of the rotating shaft, which is far away from the blade, penetrates through the cutter disc and is connected with the transmission piece.

6. The automatic obstacle avoidance and weeding device according to claim 4, wherein the drive assembly further comprises a motor guard that is nested with the motor.

7. The automatic obstacle avoidance and weeding device according to claim 6, wherein the drive assembly further comprises a second buffer member disposed around the periphery of the motor housing.

8. The automatic obstacle avoidance weeding device according to any one of claims 1 to 3, wherein the movement-driving member comprises:

the fixing frame is connected with the driving assembly and used for connecting the weeding component with the conveying device.

9. The automatic obstacle avoidance and weeding device according to claim 8, wherein the movement-driving member further comprises:

the support rod assembly comprises a first connecting frame, a second connecting frame and a plurality of support rods, and the first connecting frame is fixedly connected with the fixing frame; the first end of the supporting rod is rotatably connected with the first connecting frame, and the second end of the supporting rod is rotatably connected with the second connecting frame; the second connecting frame is connected with the driving assembly;

the driving piece is connected with the second end of the supporting rod.

10. The automatic obstacle avoidance and weeding device according to claim 9, wherein the driving member comprises a hydraulic cylinder, wherein the hydraulic cylinder is located at the top of the support rod assembly, the cylinder body of the hydraulic cylinder is rotatably connected with the first connecting frame, and the piston rod of the hydraulic cylinder is rotatably connected with the second connecting frame.