Weeding mechanism convenient to adjustTechnical Field
The utility model relates to the technical field of tea planting, in particular to a weeding mechanism convenient to adjust.
Background
At present, weeding treatment is needed to be carried out on the ground in the tea planting process, and then a weeding machine is needed. Through searching, the patent with the application number of 201921688580.2 discloses a weeding machine for agricultural planting, which comprises a motor bracket, a motor and main mowing fan blades.
Although the weeding effect is achieved through the two rotary mowing blades, the following problems still exist in the actual operation process:
firstly, the existing weeding machine is inconvenient to flexibly adjust weeding height under different use environments, excessive or insufficient weeding can occur, and the use requirements of people can not be well met;
secondly, the weeding blades rotating at high speed on the existing weeding machine are inconvenient to reciprocate in the horizontal direction, so that the weeding range is limited to a certain extent, and the weeding efficiency is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a weeding mechanism convenient to adjust, which overcomes the defects of the prior art by designing a height adjusting structure and a horizontal reciprocating weeding structure, and effectively solves the problem that the weeding efficiency is influenced by the fact that the existing weeding mechanism is inconvenient to flexibly adjust the weeding height and the weeding range under different use environments is limited to a certain extent.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a weeding mechanism convenient to adjust, includes two symmetrical distribution's frame, two all install the walking wheel on the frame, two the welding has same connecting plate on the frame, and is connected with the crane through high adjustment structure on the connecting plate, be equipped with the reciprocal weeding structure of level on the crane, and the reciprocal weeding structure of level includes the reciprocal subassembly of level and weeding subassembly.
Preferably, the height adjusting structure comprises a U-shaped bracket and a guide frame which are fixedly arranged on the outer wall of the front edge of the connecting plate in sequence, an adjusting screw which is rotatably arranged on the U-shaped bracket, a servo motor fixedly arranged on the outer wall of the front edge of the connecting plate, a driving belt pulley fixedly arranged on an output shaft of the servo motor and a driven belt pulley fixedly arranged on the adjusting screw, and the driving belt pulley and the driven belt pulley are in transmission connection through the same belt.
Through adopting above-mentioned technical scheme, be convenient for under the service environment of difference nimble regulation weeding height, fine satisfying people's user demand.
Preferably, the lifting frame is in threaded connection with the adjusting screw, a guide hole is formed in the lifting frame, and the inner wall of the guide hole is in sliding connection with the outer wall of the guide frame.
Through adopting above-mentioned technical scheme, be convenient for lead spacingly to the removal of the crane of spiro union on adjusting screw, guarantee that it is rectilinear motion in vertical direction.
Preferably, the horizontal reciprocating assembly comprises a moving channel arranged at the front edge of the lifting frame, a driving motor fixedly arranged on the inner wall of one side of the moving channel, a reciprocating screw rod and a reciprocating sliding block screwed on the reciprocating screw rod, and the outer wall of the reciprocating sliding block is in sliding connection with the inner wall of the moving channel;
the weeding assembly comprises a control motor fixedly arranged on the outer wall of the top of the reciprocating slide block and a weeding blade fixedly arranged on an output shaft of the control motor, and a pushing handle is welded on the outer wall of the upper part of the rear edge of the connecting plate.
Through adopting above-mentioned technical scheme, control the rotation of reciprocating lead screw through driving motor, and then make the reciprocal slider control weeding blade of spiro union on reciprocating lead screw carry out reciprocal weeding operation in the horizontal direction, enlarged the weeding scope, improved weeding efficiency.
Preferably, a bearing seat is fixedly arranged on the inner wall of the other side of the moving channel, one end of the reciprocating screw rod is fixedly connected with the output shaft of the driving motor coaxially through a coupler, and the other end of the reciprocating screw rod is connected with the inner wall of the bearing seat through a bearing.
By adopting the technical scheme, the reciprocating screw rod can be conveniently rotated in the moving channel stably.
The beneficial effects of the utility model are as follows:
1. the height adjusting structure is designed, the lifting frame screwed on the adjusting screw can lift in the vertical direction by controlling the positive and negative rotation of the adjusting screw through the servo motor, so that the weeding height can be flexibly adjusted in different use environments, and the use requirements of people are well met;
2. the horizontal reciprocating weeding structure is designed, the driving motor is used for controlling the reciprocating screw rod to rotate, so that the reciprocating sliding block screwed on the reciprocating screw rod is used for controlling the weeding blade to perform reciprocating weeding operation in the horizontal direction, the weeding range is enlarged, and the weeding efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic three-dimensional structure of a portion of the present utility model;
FIG. 3 is a schematic view of a three-dimensional enlarged structure of the lifting frame in the utility model;
FIG. 4 is a schematic three-dimensional structure of a horizontal reciprocating weeding structure in the utility model.
In the figure: 1. a frame; 2. a connecting plate; 3. a lifting frame; 4. a U-shaped bracket; 5. a guide frame; 6. adjusting a screw; 7. a servo motor; 8. a driving pulley; 9. a driven pulley; 10. a guide hole; 11. a moving channel; 12. a drive motor; 13. a reciprocating screw rod; 14. a reciprocating slide block; 15. controlling a motor; 16. weeding blades; 17. a bearing seat; 18. pushing the handle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Embodiment 1, referring to fig. 1 to 3, a weeding mechanism convenient to adjust comprises two frames 1, a lifting frame 3 and a height adjusting structure;
the two frames 1 are symmetrically distributed left and right, travelling wheels are arranged on the two frames 1, the same connecting plate 2 is welded on the two frames 1, a push handle 18 is welded on the outer wall of the upper part of the rear edge of the connecting plate 2, and the travelling wheels are matched with the push handle 18 to facilitate travelling;
in order to be able to adjust the herbicidal height, a height adjustment structure is provided, which comprises the following components:
u-shaped bracket 4: the U-shaped bracket 4 is welded on the outer wall of one side of the front edge of the connecting plate 2;
guide frame 5: the guide frame 5 is welded on the outer wall of the other side of the front edge of the connecting plate 2, the lifting frame 3 is provided with a guide hole 10, and the inner wall of the guide hole 10 is in sliding connection with the outer wall of the guide frame 5;
adjusting screw 6: the adjusting screw rod 6 is respectively connected with the top inner wall and the bottom inner wall of the U-shaped bracket 4 in a penetrating way through two bearings, and the lifting frame 3 is connected to the adjusting screw rod 6 in a threaded way;
servo motor 7: the servo motor 7 is fixed on the outer wall of the front edge of the connecting plate 2 through bolts, and the servo motor 7 is connected with a reversing switch through a wire;
a driving pulley 8 and a driven pulley 9: the driving belt pulley 8 is fixedly sleeved on the output shaft of the servo motor 7, the driven belt pulley 9 is fixedly sleeved on the adjusting screw 6, and the driving belt pulley 8 and the driven belt pulley 9 are in transmission connection through the same belt;
in this embodiment, through servo motor 7's control adjusting screw 6 positive and negative rotation for the crane 3 of spiro union on adjusting screw 6 can go up and down in vertical direction, and then is convenient for nimble regulation weeding height under different service environment, fine satisfy people's user demand.
Example 2, with reference to fig. 2-4, this example is optimized on the basis of example 1, specifically: weeding mechanism convenient to adjust still includes horizontal reciprocal weeding structure, and horizontal reciprocal weeding structure includes following part:
horizontal reciprocating assembly: the horizontal reciprocating assembly comprises a moving channel 11 arranged in front of the lifting frame 3 and a reciprocating screw rod 13 rotatably arranged in the moving channel 11, a driving motor 12 is fixed on the inner wall of one side of the moving channel 11 through bolts, a bearing seat 17 is fixed on the inner wall of the other side of the moving channel 11 through bolts, one end of the reciprocating screw rod 13 is fixedly connected with the output shaft of the driving motor 12 coaxially through a coupler, the other end of the reciprocating screw rod 13 is connected with the inner wall of the bearing seat 17 through a bearing, a reciprocating sliding block 14 is screwed on the reciprocating screw rod 13, and the outer wall of the reciprocating sliding block 14 is in sliding connection with the inner wall of the moving channel 11;
weeding assembly: the weeding assembly comprises a control motor 15 fixed on the outer wall of the top of the reciprocating slide block 14 through bolts and a weeding blade 16 fixedly arranged on the output shaft of the control motor 15, and the output shaft of the control motor 15 is in penetrating connection with the inner wall of the reciprocating slide block 14 through a bearing;
in the embodiment, the driving motor 12 controls the reciprocating screw rod 13 to rotate, so that the reciprocating sliding block 14 screwed on the reciprocating screw rod 13 controls the weeding blade 16 to perform reciprocating weeding operation in the horizontal direction, the weeding range is enlarged, and the weeding efficiency is improved.
This weeding mechanism's theory of operation convenient to adjust: firstly, the driving belt pulley 8 is controlled to rotate positively and negatively through the servo motor 7, the driven belt pulley 9 is controlled to rotate positively and negatively through the belt transmission, then the lifting frame 3 is controlled to lift the weeding blade 16 on the lifting frame to a proper weeding height under the guiding limit of the guiding frame 5;
secondly, the weeding blade 16 is controlled to rotate at a high speed by the control motor 15 and the reciprocating screw rod 13 is controlled to rotate by the driving motor 12, and then the reciprocating slide block 14 screwed on the reciprocating screw rod 13 controls the weeding blade 16 to perform reciprocating weeding operation in the horizontal direction, so that the weeding range is enlarged.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.