CN213306271U - Weeding device for forestry - Google Patents

Abstract

The utility model discloses a weeding device for forestry, the inner chamber of the accommodating chamber is connected with a triangular block through a sliding rail in a sliding way, one side of the accommodating chamber is provided with a threaded hole, the inner chamber of the threaded hole is inserted into a movable block, the outer side of the movable block is fixed with a threaded part, the threaded part is matched with the threaded hole, one side of the movable block is attached with the triangular block, when the blade needs to be installed, the movable block is pushed to move forwards through a rotary knob, so that the triangular block is pushed to move upwards, a convex block is driven to be inserted into a groove inner chamber of a clamping block fixed at the bottom end of the blade, so that the blade is fixed at the outer side of a ring body rotating at high speed, the aim of fixing the blade is fulfilled, when the blade needs to be replaced, the rotary knob is rotated to reset the movable block, and the triangular block lacking driving force resets, thereby the convex block is pulled back to the containing cavity, and the blade replacement can be completed.

Description

Weeding device for forestry

Technical Field

The utility model relates to a forestry weeding technical field specifically is a weeding device for forestry.

Background

As is well known, lawn mowers are also known as mowers, lawnmowers, lawn trimmers, and the like. The mower is a mechanical tool for trimming lawn and vegetation, and is composed of cutter head, engine, walking wheels, walking mechanism, blades, handrail and control unit. The cutter head is arranged on the travelling wheel, the engine is arranged on the cutter head, the blade is arranged on the output shaft of the engine, the blade is greatly improved in speed by utilizing the high-speed rotation of the engine, the operation time of weeding workers is saved, and a large amount of manpower resources are reduced. After the weeder is used for a long time, the blades become passivated and need to be replaced, the blades of the existing weeder are integrated with the cutter head, the replacing steps are complicated, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a weeding device for forestry.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

a weeding device for forestry comprises a straight rod, wherein a cross rod is fixed at the top end of the straight rod, a box body is fixed at the bottom end of the straight rod, support frames are fixed on two sides of the straight rod, universal wheels are arranged at the bottom ends, far away from the straight rod, of the support frames, an inner cavity of the box body is rotatably connected with a second rotating shaft penetrating through the box body through bearings, five fixing rods are fixed at two ends of the second rotating shaft, a ring body is fixed at one end, far away from the second rotating shaft, of each fixing rod, five blades are uniformly arranged at one side, far away from the fixing rods, of the ring body, a containing cavity is formed in one side of each fixing rod, the inner cavity of each containing cavity is connected with a triangular block in a sliding mode through a sliding rail, a threaded hole is formed in one side of each containing cavity, a movable block is, one side of movable block and the laminating of triangle-shaped piece, one side of triangle-shaped piece is fixed with the protruding piece that runs through and hold the chamber, one side of blade is fixed with the fixture block, one side of ring body is seted up quantity and is five draw-in grooves with fixture block looks adaptation, the fixture block is kept away from the one end of blade and is seted up the recess with protruding piece looks adaptation.

Preferably, a motor is arranged on one side of the box body, an output shaft of the motor penetrates through the box body and is connected with a first rotating shaft, a first helical gear is fixed on the outer side of the first rotating shaft, and a second helical gear meshed with the first helical gear is fixed on the outer side of the second rotating shaft.

Preferably, spring pieces are fixed on two sides of the convex block, one ends of the spring pieces, far away from the convex block, are connected with springs, and one ends of the springs, far away from the spring pieces, are connected with one side of the convex block.

Preferably, the both sides of support frame all are equipped with the carriage release lever, the one end of carriage release lever is fixed with the backup pad, the one end that the carriage release lever was kept away from to the backup pad is fixed with the rubber pad.

Preferably, a sliding block is fixed on one side of the moving rod, a sliding groove matched with the sliding block is formed in one side of the supporting frame, and the sliding block is connected to an inner cavity of the sliding groove in a sliding mode.

Preferably, a knob is fixed at one end of the movable block.

(III) advantageous effects

Compared with the prior art, the utility model provides a weeding device for forestry possesses following beneficial effect:

this weeding device for forestry, when needs install the blade, promote the movable block antedisplacement through rotatory knob, thereby promote the triangle-shaped piece rebound, drive the protruding piece and insert the groove inner chamber of the fixture block of blade bottom mounting, thereby fix the blade in the high-speed rotatory ring body outside, thereby reach the purpose of quick fixed blade, when needs change blade, it resets the movable block to rotate the knob, the triangle-shaped piece that lacks the motive force resets under the effect of self gravity, thereby hold the chamber with protruding piece pull-back, can accomplish the blade change. The utility model is simple in operation, convenient to use saves time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the box body of the present invention;

FIG. 3 is a side view of the supporting frame of the present invention;

FIG. 4 is a schematic view of the triangular block structure of the present invention;

FIG. 5 is a schematic view of the ring structure of the present invention;

fig. 6 is a schematic view of the slider structure of the present invention.

In the figure: 1. a straight rod; 2. a cross bar; 3. a ring body; 4. a support frame; 5. a universal wheel; 6. a travel bar; 7. a support plate; 8. a rubber pad; 9. a box body; 10. a motor; 11. a first rotating shaft; 12. a second rotating shaft; 13. a first helical gear; 14. a second helical gear; 15. fixing the rod; 16. an accommodating chamber; 17. a movable block; 18. a threaded hole; 19. a blade; 20. a knob; 21. a threaded portion; 22. a triangular block; 23. a raised block; 24. a card slot; 25. a clamping block; 26. a groove; 27. a spring; 28. a spring plate; 29. a slider; 30. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a weeding device for forestry comprises a straight rod 1, a cross rod 2 is fixed at the top end of the straight rod 1, a box body 9 is fixed at the bottom end of the straight rod 1, support frames 4 are fixed on two sides of the straight rod 1, universal wheels 5 are arranged at the bottom ends, far away from the straight rod 1, of the support frames 4, an inner cavity of the box body 9 is rotatably connected with a second rotating shaft 12 penetrating through the box body 9 through bearings, five fixing rods 15 are fixed at two ends of the second rotating shaft 12, a ring body 3 is fixed at one end, far away from the second rotating shaft 12, of the fixing rod 15, five blades 19 are uniformly arranged at one side, far away from the fixing rod 15, of the ring body 3, a containing cavity 16 is formed in one side of the fixing rod 15, a triangular block 22 is slidably connected in the inner cavity of the containing cavity 16 through a sliding rail, a threaded hole 18 is formed in one side of the containing cavity 16, one side and the triangular block 22 laminating of movable block 17, one side of triangular block 22 is fixed with the protruding piece 23 that runs through and hold chamber 16, and one side of blade 19 is fixed with fixture block 25, and one side of ring body 3 is seted up quantity be five with fixture block 25 looks adaptation draw-in groove 24, and fixture block 25 keeps away from the one end of blade 19 and sets up the recess 26 with protruding piece 23 looks adaptation.

In this embodiment, specifically: one side of box 9 is equipped with motor 10, and the output shaft of motor 10 runs through box 9 and is connected with first pivot 11, and the outside of first pivot 11 is fixed with first helical gear 13, and the outside of second pivot 12 is fixed with second helical gear 14 with first helical gear 13 meshing, thereby motor 10 drives second helical gear 14 rotatory through first helical gear 13 is rotatory, drives second pivot 12 high-speed rotation then.

In this embodiment, specifically: spring pieces 28 are fixed on two sides of the convex block 23, one end of each spring piece 28, which is far away from the convex block 23, is connected with a spring 27, one end of each spring 27, which is far away from the spring piece 28, is connected with one side of the convex block 23, and when the convex block 23 is inserted into the inner cavity of the groove 26, the spring pieces 28 are pushed by the springs 27 to fix the convex block 23 in the inner cavity of the groove 26.

In this embodiment, specifically: support frame 4's both sides all are equipped with carriage release lever 6, and carriage release lever 6's one end is fixed with backup pad 7, and the one end that carriage release lever 6 was kept away from to backup pad 7 is fixed with rubber pad 8, when not needing weeding, promotes carriage release lever 6, with backup pad 7 push to with 5 horizontal positions of universal wheel, backup pad 7 has the supporting role to support frame 4.

In this embodiment, specifically: one side of the movable rod 6 is fixed with a sliding block 29, one side of the support frame 4 is provided with a sliding groove 30 matched with the sliding block 29, the sliding block 29 is connected with the inner cavity of the sliding groove 30 in a sliding manner, and the movable rod 6 is connected with the inner cavity of the sliding groove 30 in a sliding manner through the sliding block 29 so as to move relative to the support frame 4.

In this embodiment, specifically: one end of the movable block 17 is fixed with a knob 20, and the knob 20 drives the movable block 17 to rotate.

To sum up, this weeding device for forestry's theory of operation and working process do, and when using, the staff holds the rubber sleeve part of 2 both sides of horizontal pole, opens motor 10, and motor 10 drives first helical gear 13 rotatory to it is rotatory to drive second helical gear 14, drives second pivot 12 rotation then, thereby it is rotatory to drive ring body 3, when ring body 3 is high-speed rotatory, blade 19 in the ring body 3 outside plays the effect of weeding to the weeds on the meadow. When the blade 19 needs to be replaced due to overlong service time, the movable block 17 is rotated through the knob 20, the movable block is separated from the triangular block 22, the triangular block 22 is reset under the action of gravity, the convex block 23 is driven to reset, the blade 19 is taken out at the moment, the new blade 19 is inserted into the inner cavity of the clamping groove 24, the movable block 17 is rotated to push the triangular block 22 at the moment, then the convex block 23 is pushed into the inner cavity of the groove 26, and the blade 19 is fixed on the outer side of the ring body 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a weeding device for forestry, includes straight-bar (1), its characterized in that: a cross rod (2) is fixed at the top end of the straight rod (1), a box body (9) is fixed at the bottom end of the straight rod (1), support frames (4) are fixed on two sides of the straight rod (1), universal wheels (5) are arranged at the bottom ends, far away from the straight rod (1), of the support frames (4), an inner cavity of the box body (9) is rotatably connected with a second rotating shaft (12) penetrating through the box body (9) through bearings, five fixing rods (15) are fixed at two ends of the second rotating shaft (12), a ring body (3) is fixed at one end, far away from the second rotating shaft (12), of each fixing rod (15), five blades (19) are uniformly arranged on one side, far away from the fixing rods (15), of each fixing rod (15) is provided with a containing cavity (16), and a triangular block (22) is slidably connected to the inner cavity of each containing cavity (16) through a sliding rail, screw thread hole (18) are seted up to one side that holds chamber (16), movable block (17) are inserted to the inner chamber of screw hole (18), the outside of movable block (17) is fixed with screw thread portion (21), screw thread portion (21) and screw hole (18) looks adaptation, one side and the triangular block (22) laminating of movable block (17), one side of triangular block (22) is fixed with bulge (23) of running through and holding chamber (16), one side of blade (19) is fixed with fixture block (25), draw-in groove (24) that the quantity is five and fixture block (25) looks adaptation are seted up to one side of ring body (3), recess (26) with bulge (23) looks adaptation are seted up to the one end that blade (19) were kept away from in fixture block (25).

2. A weeding device for forestry as claimed in claim 1, wherein: one side of box (9) is equipped with motor (10), the output shaft of motor (10) runs through box (9) and is connected with first pivot (11), the outside of first pivot (11) is fixed with first helical gear (13), the outside of second pivot (12) is fixed with second helical gear (14) with first helical gear (13) meshing.

3. A weeding device for forestry as claimed in claim 1, wherein: spring pieces (28) are fixed on two sides of the convex block (23), one end, far away from the convex block (23), of each spring piece (28) is connected with a spring (27), and one end, far away from the spring pieces (28), of each spring (27) is connected with one side of the convex block (23).

4. A weeding device for forestry as claimed in claim 1, wherein: the two sides of the support frame (4) are respectively provided with a moving rod (6), one end of the moving rod (6) is fixed with a support plate (7), and one end, far away from the moving rod (6), of the support plate (7) is fixed with a rubber pad (8).

5. A weeding device for forestry as claimed in claim 4, wherein: one side of the moving rod (6) is fixed with a sliding block (29), one side of the support frame (4) is provided with a sliding groove (30) matched with the sliding block (29), and the sliding block (29) is connected to an inner cavity of the sliding groove (30) in a sliding mode.

6. A weeding device for forestry as claimed in claim 1, wherein: one end of the movable block (17) is fixed with a knob (20).

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