CN210075965U - Blade and install weeder cutter head mechanism of this blade - Google Patents

Abstract

The utility model relates to a blade and install weeder cutter head mechanism of this blade belongs to the blade and installs weeder cutter head mechanism technical field of this blade. The blade is trapezoidal blade including the shape, has seted up the mounting hole on the blade, has seted up a plurality of looks spaced concave arc structures along two hypotenuses length direction of blade, and the cutting edge is located concave arc structure. The utility model discloses structural design is ingenious, weeding efficient, factor of safety is high, weeding effect is good, long service life.

Description

Blade and install weeder cutter head mechanism of this blade

Technical Field

The utility model relates to a blade and install weeder cutter head mechanism of this blade belongs to blade and weeder cutter head technical field of structure.

Background

At present, apple planting management is developing to modernization, and mechanized management is imperative, and orchard management machinery equipment that high efficiency is suitable for has become the trend, and current weeder blade and blade disc mechanism structural design that can be applicable to modern orchard is reasonable inadequately, mainly has following weak point:

1. in the using process, the blades rotating at a high speed can easily hit the trunk to damage fruit trees;

2. in the weeding process, the knife edge is easy to hit stones, and the service life is short;

3. the traditional motor-driven weeding machine only adjusts the height of the cutter head from the ground by the following wheel, can not eliminate the defects that the cutter head collides with soil and stones after cutting the ground, breaks the cutter and hurts people, flies and stones and hurts fruits, and lacks a motor-driven weeding machine device which can automatically change the angle of the cutter head along with the shape of the ridge (surface) and has an effective height limiting device.

Therefore, it is highly desirable to have an orchard mower blade and a cutter head mechanism mounted with the same that overcome the above problems.

Disclosure of Invention

An object of the utility model is to solve the weak point that above-mentioned prior art exists, provide a structural design is ingenious, weeding efficient, factor of safety is high, weeding effect is good, long service life's blade and install weeder cutter head mechanism of this blade.

A blade is characterized by comprising a trapezoidal blade 19, a plurality of spaced concave arc structures 19-1 are arranged along the length direction of two oblique edges of the blade 19, and a blade 19-2 is positioned on the concave arc structures 19-1.

A cutter head mechanism of a weeder provided with blades is characterized by comprising a cutter head 18, a circle of blades 19 which are arranged at intervals along the outer circumference of the cutter head 18, a tray 36 arranged at the bottom of a vertical shaft 15 through a tray flange 38, and a tray anti-abrasion layer 37 arranged on the lower surface of the tray 36;

preferably, a bearing 16 is arranged outside the vertical shaft 15, a cutter head flange 17 is arranged through the bearing 16, a driven gear 21 linked with the cutter head flange 17 is arranged outside the cutter head flange 17, the driven gear 21 is meshed with a driving gear 22, and the driving gear 22 is driven by a hydraulic motor 42;

preferably, a rotatable casing 26 is installed right above the cutter head 18, a casing connecting flange 25 is installed at the top of the rotatable casing 26, a rotatable annular rotating guard ring 27 is installed on the outer circumference of the rotatable mechanism 26, a circle of anti-collision strips 28 are installed on the outer circumference of the rotating guard ring 27, and a plurality of positioning wheels 29 for installing the rotating guard ring 27 are installed on the outer circumference of the rotatable casing 26;

preferably, the driven gear 21 is covered with a gear cover 23, the blade 19 is mounted on the cutter head 18 through a special screw 20, and the positioning wheel 29 is mounted on the rotatable housing 26 through a positioning wheel bracket 30.

The utility model discloses a blade and install weeder cutter head mechanism structural design of this blade is ingenious, has following beneficial effect:

1. the utility model discloses a blade disc mechanism can stretch into under the fruit tree and be close to the trunk at will and weed and not hinder the trunk, but the rotatable casing diameter that lies in the blade disc top is greater than blade disc, blade diameter, but the rotatable casing that has rubber anticollision strip contacts the trunk in advance when meetting the trunk in the weeding operation, and the diameter is less than the blade disc of casing, the blade can not bump the trunk, along with walking, the counter force of trunk can be automatic with the horizontal wobbling gyration support arm support together with the blade disc support to lean against, through can revolve the casing along the trunk limit removal limit natural rotation, rethread gyration arm extension spring control lean on the trunk dynamics can not hinder the trunk and the blade disc is smooth (hide) and pulls the gyration arm in time to return after the trunk, consequently can reach and remove the straw that is close to the trunk and not hinder the tree purpose;

2. the utility model discloses a tray 36 can effectively deal with various complicated topography, is located the disk tray 36 that has wear-resisting protective layer of blade disc 18 below, naturally forms the blade disc and keeps equal distance with ground all the time according to the height set in advance after the bottom surface lands, and the tray 36 naturally falls to the ground and moves along topography (skin) when weeding walk, can paste the skin by oneself and slide no matter how complicated the topography is, thereby realize that the required weeding stubble height of orchard keeps unanimous naturally, avoided the blade to cut the soil stone to ground and cause the orchard weeding common fault of hindering people, hindering fruit, damaging the blade, injuring roots of trees etc.;

3. blade 19 is trapezoidal, has seted up a plurality of looks spaced concave arc structures along blade length direction both sides, and the cutting edge is located concave arc structural, and the blade of this kind of structure can not only better completion be mowed, can protect the cutting edge moreover, prevents that the cutting edge from colliding the stone and causing the cutting edge to damage, improves the life of blade, keeps the blade to have the sword just can reduce power consumption, raises the efficiency and reduces the energy consumption.

Drawings

FIG. 1: the utility model discloses a structural schematic diagram of a blade of an orchard weeding machine;

FIG. 2: the installation relation between the blades and the cutter head is schematically shown;

FIG. 3: the vertical shaft, the tray and the tray anti-wear layer are matched with each other;

FIG. 4: the utility model discloses a structural schematic diagram of a cutter head mechanism of an orchard weeding machine;

FIG. 5: the structure schematic diagram of the orchard weeding machine;

FIG. 6: FIG. 5 is a top view;

FIG. 7: a frame mechanism folding state diagram.

In the figure: 1. A main frame; 2. A movable frame; 3. A suspension bracket; 4. Hanging a pin shaft; 5. a main frame hinge; 6. a hinge pin shaft; 7. a movable frame hinge; 8. a hinge pin shaft; 9. fixing the support arm bracket; 10. a swivel support arm support; 11. a fixed cutter head cantilever arm; 12. a rotary cutter head cantilever arm; 13. a rotary arm tension spring; 14. a cantilever arm tension spring; 15. a vertical shaft; 16. a bearing; 17. a cutter flange; 18. a cutter head; 19. a blade; 19-1, a concave arc structure; 19-2, a blade; 20. a special screw; 21. a driven gear; 22. a driving gear; 23. a gear cover; 24. a housing; 25. the shell is connected with a flange; 26. a rotatable housing; 27. a rotating retainer; 28. an anti-collision strip; 29. positioning wheels; 30. a positioning wheel support; 31. an upper support arm; 32. a lower support arm; 33. a support arm bracket; 34. a support arm pin; 35. a support arm support base; 36. a tray; 37. a tray wear layer; 38. a tray flange; 40. A hydraulic oil pump; 41. a hydraulic control valve; 42. a hydraulic motor; 43. a high pressure oil pipe; 44. an electric control switch; 46. a hydraulic cylinder; 47. a front support of the oil cylinder; 48. a rear support of the oil cylinder; 49. an oil cylinder pin shaft; 50. a swing arm of the swivel stand; 51. supporting-assisting trundles; 52. rotating the bracket; 53. a height adjusting screw; 54. a caster connecting arm; 55. rotating the flange plate; 56. a flange connecting seat; 57. fixing screws; 58. adjusting the jackscrew.

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. 1-7, the present invention provides a blade, which includes a trapezoidal blade 19, a plurality of spaced concave arc structures 19-1 are disposed along the length direction of two bevel edges of the blade 19, and a blade 19-2 is disposed on the concave arc structures 19-1.

The orchard weeding machine cutter head mechanism with the blades comprises a cutter head 18, a circle of blades 19 which are arranged at intervals along the outer circumference of the cutter head 18, a tray 36 is arranged at the bottom of a vertical shaft 15 through a tray flange 38, and a tray anti-abrasion layer 37 is arranged on the lower surface of the tray 36;

a bearing 16 is arranged outside the vertical shaft 15, a cutter head flange 17 is arranged through the bearing 16, a driven gear 21 linked with the cutter head flange 17 is arranged outside the cutter head flange 17, the driven gear 21 is meshed with a driving gear 22, and the driving gear 22 is driven by a hydraulic motor 42;

a rotatable casing 26 is arranged right above the cutter head 18, a casing connecting flange 25 is arranged at the top of the rotatable casing 26, a rotatable annular rotating guard ring 27 is arranged on the outer circumference of the rotatable mechanism 26, a circle of anti-collision strips 28 are arranged on the outer circumference of the rotating guard ring 27, and a plurality of positioning wheels 29 for mounting the rotating guard ring 27 are arranged on the outer circumference of the rotatable casing 26;

the driven gear 21 is covered with a gear cover 23, the blade 19 is mounted on the cutter head 18 through a special screw 20, and the positioning wheel 29 is mounted on the rotatable machine shell 26 through a positioning wheel bracket 30.

The orchard weeding machine comprises a rack mechanism arranged on a travelling mechanism, wherein the rack mechanism is hinged with a rotary support arm support 10 and a fixed support arm support 9, the rotary support arm support 10 is positioned at the outer side, the tail end of the rotary support arm support is provided with a rotary cutter head mechanism, the fixed support arm support 9 is positioned at the inner side, the tail end of the fixed support arm support is provided with a fixed cutter head mechanism, the rack mechanism is provided with a power mechanism for driving the rotary cutter head mechanism and the fixed cutter head mechanism to work, and the power mechanism can also drive the rack;

the running mechanism is an agricultural tricycle or a tractor, and firstly, the original resources of fruit growers are utilized, so that the investment is reduced; secondly, the driving habit of fruit growers is complied with, professional driving is not needed, and the fruit growers do not worry about not operating; thirdly, the trouble that mass production is difficult to realize due to small demand of manufacturers is solved, and random yield is an excellent way for reducing the manufacturing cost of special equipment; fourthly, on the one hand, the manufacturing cost is reduced, on the other hand, the running cost is also reduced, the energy consumption is reduced by 30% compared with the similar type, the defect of poor performance of the traditional similar transition (the transition with a relatively long distance) is also overcome, the similar type is basically the fastest 8km/h, and the tricycle can run at the conventional speed of 45 km/h;

the frame mechanism comprises a main frame 1 and a movable frame 2, one end of the movable frame 2 is hinged with the main frame 1, the movable frame 2 is controlled by a hydraulic oil cylinder 46, the movable frame 2 is respectively connected with a fixed supporting arm bracket 9 in the middle through two cutter head lateral angle adjusting mechanisms, the end part of the movable frame is connected with a rotary supporting arm bracket 10, and a plurality of suspension brackets 3 used for mounting the main frame 1 on a walking mechanism are mounted on the main frame 1;

in order to realize the angle adjustment of the cutter head, the cutter head lateral angle adjusting mechanism comprises a flange connecting seat 26, a rotary flange plate 55, a fixed screw 57 and an adjusting jackscrew 58 which are arranged on the movable rack 2;

a suspension pin shaft 4 is arranged on the suspension bracket 3, the main frame 1 is hinged with the movable frame 2 through a main frame hinge 5 and a hinge pin shaft 6, and the movable frame 2 is hinged with the rotary support arm bracket 10 through a movable frame hinge 7 and a hinge pin shaft 8;

in order to achieve better stability, the rotary support arm bracket 10 comprises an upper support arm 31 and a lower support arm 32, a support arm bracket 33 is arranged between the upper support arm 31 and the lower support arm 32 through a support arm pin shaft 34, and a support arm bracket seat 35 is arranged on the support arm bracket 33;

in order to provide power better, the power system comprises a hydraulic oil pump 40 arranged on the main frame 1, the hydraulic oil pump 40 is respectively connected with two hydraulic control valves 41 through two high-pressure oil pipes 43, the two hydraulic control valves 41 are connected with an electric control switch 44, one hydraulic control valve 41 is used for controlling a hydraulic motor 42, the other hydraulic control valve 41 is used for controlling a hydraulic oil cylinder 46, the fixed end of the hydraulic oil cylinder 46 is arranged on the main frame 1 through an oil cylinder rear support 48 and an oil cylinder pin shaft 49, and the movable end of the hydraulic oil cylinder is arranged on the movable frame 2 through an oil cylinder front support 47 and an oil;

a height adjusting mechanism is arranged above the rotary supporting arm support 10, the height adjusting mechanism comprises a rotary cutter disc cantilever arm 12 and a fixed cutter disc cantilever arm 11, the rotary cutter disc cantilever arm 12 is arranged at the end part of the movable stand 2 and is positioned above the rotary supporting arm support 10, one end of the fixed cutter disc cantilever arm 11 is arranged on the movable stand 2, the other end is positioned above the fixed supporting arm support 9, cantilever arm tension springs 14 are respectively arranged at one ends of the rotary cutter disc cantilever arm 12 and the fixed cutter disc cantilever arm 11, the bottoms of the cantilever arm tension springs 14 are respectively fixed on the machine shell connecting flange 25, a rotary arm tension spring 13 is arranged on the movable stand 2, one end of the rotary tension spring 13 is fixed at the end part of a rotary support rocker arm 50, the other end is fixed on the movable stand 2, the root part of the rotary support rocker arm 50 is fixed on the rotary supporting arm support 10, one ends of the fixed cutter disc cantilever arm 11 and the rotary cutter disc cantilever, the caster connecting arm 54 has one end provided with a caster 51 through a swivel bracket 52 and a height adjusting screw 53.

When the weeding machine is used, the weeding machine is arranged on the traveling mechanism suspension device, the hydraulic oil pump is in butt joint with the power output of the traveling mechanism, the traveling mechanism moves and simultaneously drives the weeding machine to move and drive the cutter head to rotate, the rack mechanism is opened during weeding and can be positioned according to the row spacing width of a fruit tree, and the weeding machine can adapt to the row spacing width between 1.6 meters and 4.5 meters. Through fixed blade disc mechanism, gyration blade disc mechanism weeds, gyration blade disc mechanism can stretch into under the fruit tree at will be close to the trunk and weed and do not hinder the trunk, but be located the gyration casing diameter of blade disc top and be greater than the blade disc, the blade diameter, but the gyration casing that has the rubber anticollision strip contacts the trunk in advance when meetting the trunk in the weeding operation, and the diameter is less than the blade disc of casing, the blade can not touch the trunk, along with walking, but the counter force of trunk can be automatic will horizontal wobbling gyration support arm support together with the blade disc together support to, through can revolving the gyration casing in the same direction as the trunk limit and remove the limit and rotate naturally, the dynamics that rethread gyration arm extension spring control leaned on the trunk can not hinder the trunk and the blade disc slips (hides) pulls the gyration arm in time return after the trunk, consequently, can reach the purpose of removing the grass that is. The cutter head can freely float up and down and keep vertical when sliding along uneven terrain through the parallel supporting function of the upper supporting arm and the lower supporting arm. The tray type structure can effectively deal with various complex terrains, a disc-shaped tray with a wear-resistant protective layer is positioned below a cutter head, the cutter head naturally forms a cutter head which keeps the same distance with the ground all the time according to the preset height after the bottom surface of the disc-shaped tray is landed, the tray naturally falls to the ground and moves along the terrains (skins) when weeding is carried out, and the disc-shaped tray can automatically stick to the skins to slide no matter how complex the terrains are, so that the weeding stubble height required by an orchard is kept consistent naturally, and the orchard weeding common diseases that people are injured, fruits are injured, blades are damaged, roots of trees are injured and the like due to the fact that the blades cut the ground and soil and stones are cut are avoided. The fixed cutter head mechanism can be matched with the rotary cutter head mechanism to complete the remaining part of the grassland width exceeding the effective cutting width of the rotary cutter head and also be a ridging slope part, the transverse angle of the cutter head is adjusted to be consistent with the ridging slope angle through the rotary flange plate, and except for the function of not needing transverse swinging, the grass removing of the remaining part is synchronously completed with the same function as the rotary cutter head. The blade is trapezoidal, has seted up a plurality of looks spaced concave arc structures along blade length direction both sides, and the cutting edge is located concave arc structural, and the blade of this kind of structure can not only better completion be mowed, can protect the cutting edge moreover, prevents that the cutting edge from colliding the stone and causing the cutting edge to damage, improves the life of blade, keeps the blade to have the sword just can reduce power consumption, raises the efficiency and reduces the energy consumption. The fixed cutter disc and the rotary cutter disc positioned above the cutter disc are suspended by the cantilever arm, the cutter disc is suspended by the tension spring with moderate elasticity, the dead weight of the cutter disc is balanced, the cutter disc slides along the surface of the ground skin in a light manner, the problems that the rotary cutter disc is difficult to avoid and the tray is abraded due to the weight of the cutter disc are effectively avoided, and the phenomenon that the blades eat the ground can be reduced. The supporting-assisting trundle positioned at the rear part of the cutter head supports the rack mechanism and keeps the rack mechanism parallel to the ground under the common action of the supporting-assisting trundle and the rear suspension of the tractor, and when the supporting-assisting trundle is used, the distance between the cutter head and the ground is adjusted through the height adjusting lead screw, so that the self weight of the rear end of the equipment is born in an auxiliary mode.

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 (5)

1. The blade is characterized by comprising a trapezoidal blade (19), wherein a mounting hole is formed in the blade (19), a plurality of spaced concave arc-shaped structures (19-1) are formed in the length direction of two oblique sides of the blade (19), and a cutting edge (19-2) is positioned on the concave arc-shaped structures (19-1).

2. The utility model provides an install weeder cutter head mechanism of blade, its characterized in that includes blade disc (18), install round looks spaced blade (19) along blade disc (18) outer circumference, tray (36) are installed through tray flange (38) in the bottom of vertical scroll (15), tray anti-abrasion layer (37) are installed to the lower surface of tray (36), blade (19) shape is trapezoidal, the mounting hole has been seted up on blade (19), set up a plurality of looks spaced concave arc structure (19-1) along two hypotenuses length direction of blade (19), cutting edge (19-2) are located concave arc structure (19-1).

3. A bladed herbicide knife mechanism according to claim 2, characterized in that the vertical shaft (15) is externally fitted with a bearing (16), a knife flange (17) is fitted through the bearing (16), a driven gear (21) is externally fitted to the knife flange (17) in linkage therewith, the driven gear (21) is in mesh with a driving gear (22), and the driving gear (22) is driven by a hydraulic motor (42).

4. A blade-mounted cutter head mechanism for a herbicide as claimed in claim 3, wherein a rotatable housing (26) is mounted directly above the cutter head (18), a housing connecting flange (25) is mounted on the top of the rotatable housing (26), a rotatable annular rotary guard ring (27) is mounted on the outer circumference of the rotatable housing (26), a ring of bumper strips (28) are mounted on the outer circumference of the rotary guard ring (27), and a plurality of positioning wheels (29) for mounting the rotary guard ring (27) are mounted on the outer circumference of the rotatable housing (26).

5. A bladed-cutter mechanism according to claim 4, characterized in that the driven gear (21) is externally covered by a gear cover (23), the blades (19) are mounted on the cutter head (18) by means of special screws (20), and the positioning wheels (29) are mounted on a rotatable casing (26) by means of positioning wheel supports (30).

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