阅读说明：本技术 一种角度可调的除草机 (Angle-adjustable weeding machine ) 是由 徐柳先 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种角度可调的除草机,支撑连杆的上端设置有除草电机；除草电机的输出轴上固定有传送轴；传送轴穿过传送孔并且其左端固定连接有万向节；除草支撑架内成型有长方体状的除草传动槽；除草传动槽的左右侧壁上端之间枢接有主动传送轴；主动传送轴的右端与万向节的另一端固定连接；主动传送轴上固定有主动锥齿轮；除草传动槽的下侧壁中心竖直穿过并且枢接有下中心柱；下中心柱的上端固定有从动锥齿轮；从动锥齿轮与主动锥齿轮啮合；下中心柱的下端可拆卸式设置有刀盘。(The invention discloses an angle-adjustable weeding machine.A weeding motor is arranged at the upper end of a support connecting rod; a transmission shaft is fixed on an output shaft of the weeding motor; the conveying shaft penetrates through the conveying hole, and the left end of the conveying shaft is fixedly connected with a universal joint; a rectangular weeding transmission groove is formed in the weeding support frame; an active transmission shaft is pivoted between the upper ends of the left side wall and the right side wall of the weeding transmission groove; the right end of the driving transmission shaft is fixedly connected with the other end of the universal joint; a driving bevel gear is fixed on the driving transmission shaft; the center of the lower side wall of the weeding transmission groove vertically penetrates through and is pivoted with a lower central column; a driven bevel gear is fixed at the upper end of the lower central column; the driven bevel gear is meshed with the driving bevel gear; the lower end of the lower central column is detachably provided with a cutter head.)

1. The utility model provides an angle adjustable weeder which characterized in that: comprises a support connecting rod (10) and a weeding unit (30); a cylindrical hole-shaped transmission hole (100) penetrating through the length center is formed on the support connecting rod (10); the upper end of the support connecting rod (10) is provided with a weeding motor (20); the support connecting rod (10) is provided with a handrail (11); a transmission shaft (21) is fixed on an output shaft of the weeding motor (20); the transmission shaft (21) penetrates through the transmission hole (100) and is fixedly connected with a universal joint (22) at the left end; the weeding unit (30) comprises a rectangular parallelepiped weeding support frame (31); a rectangular weeding transmission groove (310) is formed in the weeding support frame (31); an active transmission shaft (32) is pivoted between the upper ends of the left side wall and the right side wall of the weeding transmission groove (310); the left end and the right end of the driving transmission shaft (32) exceed the weeding support frame (31); the right end of the driving transmission shaft (32) is fixedly connected with the other end of the universal joint (22); a driving bevel gear (321) is fixed on the driving transmission shaft (32); the center of the lower side wall of the weeding transmission groove (310) vertically penetrates through and is pivoted with a lower central column (34); a driven bevel gear (341) is fixed at the upper end of the lower center post (34); the driven bevel gear (341) is meshed with the driving bevel gear (321); the lower end of the lower central column (34) is detachably provided with a cutter head (35); a connecting structure connected with the cutter head (35) is formed at the left end of the driving transmission shaft (32); a cuboid-shaped connecting seat (13) is formed at the lower part of the supporting connecting rod (10); an angle limiting structure is arranged between the connecting seat (13) and the weeding support frame (31).

2. An angularly adjustable weeding machine according to claim 1, wherein: the handrail (11) is provided with an anti-skid holding sleeve (12).

3. An angularly adjustable weeding machine according to claim 1, wherein: a connecting sleeve (351) matched with the lower end of the lower central column (34) and the left end of the driving transmission shaft (32) is formed in the center of the upper end face of the cutter head (35); the connecting sleeve (351) is radially provided with a connecting bolt (352) in a penetrating way; the lower end of the lower central column (34) is formed with a lower connecting hole (340) for a connecting bolt (352) to pass through; the left end of the driving transmission shaft (32) is formed with an upper connecting hole (320) through which a connecting bolt (352) passes.

4. An angularly adjustable weeding machine according to claim 1, wherein: a protective cover (33) is detachably arranged on the left end surface of the weeding support frame (31); the protective cover (33) is used for covering the left end of the driving transmission shaft (32).

5. An angularly adjustable weeding machine according to claim 4, wherein: the protective cover (33) is fixed on the left end surface of the weeding support frame (31) through a plurality of bolts.

6. An angularly adjustable weeding machine according to claim 1, wherein: the angle limiting structure comprises a pair of angle adjusting plates (36); the left ends of the angle adjusting plates (36) are respectively pivoted on the front end surface and the rear end surface of the weeding support frame (31); the left end rotation central shaft of the angle adjusting plate (36) and the rotation central shaft of the driving transmission shaft (32) are positioned on the same horizontal plane and are vertical to each other; the right part of the angle adjusting plate (36) is formed with a long hole-shaped angle adjusting hole (360) which penetrates through the right part and is arranged along the length direction of the angle adjusting plate; angle adjusting bolts (37) are respectively screwed on the front end surface and the rear end surface of the weeding support frame (31); the angle adjusting bolt (37) passes through the angle adjusting hole (360) of the corresponding side and the width of the angle adjusting hole (360) is the same as the screw diameter of the angle adjusting bolt (37).

Technical Field

The invention relates to the field of garden machinery, in particular to an angle-adjustable weeding machine.

Background

The angle between the rotating central shaft of the cutter head of the weeding machine in the garden machine and the supporting connecting rod is fixed, so that operators with different heights cannot adjust the angle during operation, and the comfort level is not high; meanwhile, the weeding machine is only used for weeding and cannot be used for repairing trees, and the function is single.

Disclosure of Invention

The invention aims to solve the technical problem that the angle between a rotating central shaft of a cutter head of a weeding machine and a supporting connecting rod cannot be adjusted, and provides the weeding machine with an adjustable angle.

The technical scheme for solving the technical problems is as follows: an angle-adjustable weeding machine comprises a support connecting rod and a weeding unit; a cylindrical hole-shaped conveying hole penetrating through the center of the length is formed in the supporting connecting rod; the upper end of the supporting connecting rod is provided with a weeding motor; the support connecting rod is provided with a handrail; a transmission shaft is fixed on an output shaft of the weeding motor; the conveying shaft penetrates through the conveying hole, and the left end of the conveying shaft is fixedly connected with a universal joint; the weeding unit comprises a cuboid weeding support frame; a rectangular weeding transmission groove is formed in the weeding support frame; an active transmission shaft is pivoted between the upper ends of the left side wall and the right side wall of the weeding transmission groove; the left end and the right end of the driving transmission shaft exceed the weeding support frames; the right end of the driving transmission shaft is fixedly connected with the other end of the universal joint; a driving bevel gear is fixed on the driving transmission shaft; the center of the lower side wall of the weeding transmission groove vertically penetrates through and is pivoted with a lower central column; a driven bevel gear is fixed at the upper end of the lower central column; the driven bevel gear is meshed with the driving bevel gear; the lower end of the lower central column is detachably provided with a cutter head; a connecting structure connected with the cutter head is formed at the left end of the driving transmission shaft; a cuboid-shaped connecting seat is formed at the lower part of the supporting connecting rod; an angle limiting structure is arranged between the connecting seat and the weeding support frame.

Preferably, the handrail is provided with an anti-slip grip sleeve.

Preferably, a connecting sleeve matched with the lower end of the lower central column and the left end of the driving transmission shaft is formed in the center of the upper end face of the cutter head; the connecting sleeve is radially provided with a connecting bolt in a penetrating way; a lower connecting hole for a connecting bolt to pass through is formed at the lower end of the lower central column; an upper connecting hole for a connecting bolt to pass through is formed at the left end of the driving transmission shaft.

Preferably, the left end surface of the weeding support frame is detachably provided with a protective cover; the protective cover is used for covering the left end of the driving transmission shaft.

Preferably, the protecting cover is fixed on the left end surface of the weeding supporting frame through a plurality of bolts.

Preferably, the angle limiting structure comprises a pair of angle adjusting plates; the left ends of the angle adjusting plates are respectively pivoted on the front end surface and the rear end surface of the weeding supporting frame; the left end rotation central shaft of the angle adjusting plate and the rotation central shaft of the driving transmission shaft are positioned on the same horizontal plane and are vertical to each other; the right part of the angle adjusting plate is provided with a long hole-shaped angle adjusting hole which penetrates through the right part and the back part and is arranged along the length direction of the angle adjusting plate; angle adjusting bolts are respectively screwed on the front end surface and the rear end surface of the weeding support frame; the angle adjusting bolt passes through the angle adjusting hole on the corresponding side, and the width of the angle adjusting hole is the same as the diameter of the screw rod of the angle adjusting bolt.

The invention has the beneficial effects that: the angle between the support connecting rod and the weeding support frame can be adjusted, and the weeding support frame is suitable for users with different heights; the supporting connecting rod and the rotating central shaft of the cutter head are positioned on the same straight line, and the weeding machine can be used for repairing trees.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a schematic structural view of a cross section of the present invention.

In the figure, 10, support link; 100. a transfer aperture; 11. a handrail; 12. an anti-slip grip sleeve; 13. a connecting seat; 20. a weeding motor; 21. a transfer shaft; 22. a universal joint; 30. a herbicidal unit; 31. a weeding support frame; 310. a weeding transmission groove; 32. an active transfer shaft; 320. an upper connecting hole; 321. a drive bevel gear; 33. a protective cover; 34. a lower central column; 340. a lower connection hole; 341. a driven bevel gear; 35. a cutter head; 351. connecting sleeves; 352. a connecting bolt; 36. an angle adjusting plate; 360. an angle adjusting hole; 37. an angle adjusting bolt.

Detailed Description

As shown in fig. 1 and 2, an angle-adjustable weeding machine includes a support link 10 and a weeding unit 30; a cylindrical hole-shaped transmission hole 100 penetrating through the center of the length is formed on the support connecting rod 10; the upper end of the support connecting rod 10 is provided with a weeding motor 20; the support connecting rod 10 is provided with a handrail 11; a transmission shaft 21 is fixed on an output shaft of the weeding motor 20; the transfer shaft 21 passes through the transfer hole 100 and is fixedly connected with a universal joint 22 at the left end thereof; the weeding unit 30 includes a rectangular parallelepiped weeding support frame 31; a rectangular weeding transmission groove 310 is formed in the weeding support frame 31; the upper ends of the left and right side walls of the weeding transmission groove 310 are pivoted with a driving transmission shaft 32; the left and right ends of the driving transmission shaft 32 exceed the weeding support frame 31; the right end of the driving transmission shaft 32 is fixedly connected with the other end of the universal joint 22; a driving bevel gear 321 is fixed on the driving transmission shaft 32; the center of the lower side wall of the weeding transmission groove 310 vertically passes through and is pivoted with the lower central column 34; a driven bevel gear 341 is fixed at the upper end of the lower center column 34; the driven bevel gear 341 is engaged with the drive bevel gear 321; the lower end of the lower central column 34 is detachably provided with a cutter head 35; a connecting structure connected with the cutter head 35 is formed at the left end of the driving transmission shaft 32; a rectangular connecting seat 13 is formed at the lower part of the supporting connecting rod 10; an angle limiting structure is arranged between the connecting seat 13 and the weeding support frame 31.

As shown in fig. 1 and 2, the armrest 11 is provided with an anti-slip grip 12.

As shown in fig. 1 and 2, a connecting sleeve 351 matched with the lower end of the lower central column 34 and the left end of the driving transmission shaft 32 is formed at the center of the upper end surface of the cutter head 35; the connecting sleeve 351 is radially provided with a connecting bolt 352 in a penetrating way; the lower end of the lower central column 34 is formed with a lower connection hole 340 through which a connection bolt 352 passes; the left end of the driving transmission shaft 32 is formed with an upper coupling hole 320 through which the coupling bolt 352 passes.

As shown in fig. 1 and 2, a protective cover 33 is detachably disposed on the left end surface of the weeding support frame 31; the protective cover 33 covers the left end of the driving transmission shaft 32.

As shown in fig. 1 and 2, the protective cover 33 is fixed to the left end surface of the weeding support frame 31 by bolts.

As shown in fig. 1 and 2, the angle limiting structure includes a pair of angle adjusting plates 36; the left ends of the angle adjusting plates 36 are respectively pivoted on the front end surface and the rear end surface of the weeding support frame 31; the left end rotation central axis of the angle adjusting plate 36 and the rotation central axis of the driving transmission shaft 32 are on the same horizontal plane and are perpendicular to each other; an angle adjusting hole 360 which is in a long hole shape and penetrates through the right part of the angle adjusting plate 36 in the front-back direction and is arranged along the length direction of the angle adjusting plate; the front end surface and the rear end surface of the weeding support frame 31 are respectively screwed with angle adjusting bolts 37; the angle-adjusting bolts 37 pass through the angle-adjusting holes 360 of the respective sides and the width of the angle-adjusting holes 360 is the same as the screw diameter of the angle-adjusting bolts 37.

The working principle of the weeding machine with the adjustable angle is as follows:

initial state: a protective cover 33 is fixed on the left end face of the weeding support frame 31 and covers the left end of the driving transmission shaft 32; the cutter disc 35 is fixed at the lower end of the lower center column 34; the pair of angle adjusting bolts 37 are in a screwed state so that the pair of angle adjusting plates 36 are fixed with the connecting seat 13;

when the angle between the support connecting rod 10 and the weeding support frame 31 needs to be adjusted, the pair of angle adjusting bolts 37 are loosened, then the angle between the support connecting rod and the weeding support frame is adjusted to be proper, and then the pair of angle adjusting bolts 37 are screwed so as to be suitable for operators with different heights and ensure that the operators operate most comfortably;

when the tool needs to be used as a tool for repairing trees, the protective cover 33 is removed, the cutter disc 35 is detached from the lower end of the lower central column 34 and then connected to the left end of the driving transmission shaft 32, and then the supporting connecting rod 10 is perpendicular to the right end face of the weeding supporting frame 31 according to the distance, namely the rotating central shaft of the cutter disc 35 is in the same straight line with the supporting connecting rod 10; thus, the weed killer can be lifted to repair the trees.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.