CN210075964U

CN210075964U - Orchard weeding machine

Info

Publication number: CN210075964U
Application number: CN201920275710.3U
Authority: CN
Inventors: 孙大程; 孙文进
Original assignee: Yantai Wenjin Intelligent Equipment Co Ltd
Current assignee: Yantai Wenjin Intelligent Equipment Co Ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2020-02-18
Anticipated expiration: 2029-03-05

Abstract

The utility model relates to an orchard weeder belongs to orchard weeder technical field. The automatic cutter head mechanism comprises a rack mechanism arranged on a travelling mechanism, wherein the rack mechanism is hinged with a rotary support arm support and a fixed support arm support, the rotary support arm support 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 is positioned at the inner side, the tail end of the fixed support arm support is provided with a fixed cutter head mechanism, a power mechanism used for driving the rotary cutter head mechanism and the fixed cutter head mechanism to work is arranged on the rack mechanism, and. The utility model discloses structural design is ingenious, weeding efficient, factor of safety is high, weeding effect is good, long service life.

Description

Orchard weeding machine

Technical Field

The utility model relates to an orchard weeder belongs to orchard weeder technical field.

Background

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

1. only the grass in a wide channel in the middle of a fruit tree row can be removed, the grass close to the periphery of the fruit tree and under narrower and short fruit branches among plants cannot be removed, and particularly the grass close to the tree is not flat, so that the weeding is more difficult;

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

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

4. at present, a back-carried small-sized weeder is basically adopted for weeding around trees, fruit growers manually weed, and the weeding efficiency is low, so that people and trees are easily injured.

5. 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.

Accordingly, there is a need for an orchard mower that overcomes 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 orchard weeder.

An orchard weeding machine is characterized by comprising 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 mechanism to;

preferably, the running mechanism is an agricultural tricycle or a tractor;

preferably, 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 cylinder 46, the movable frame 2 is respectively connected with a fixed support 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 support arm bracket 10, and a plurality of suspension brackets 3 used for mounting the main frame 1 on the travelling mechanism are mounted on the main frame 1;

preferably, the cutter head lateral angle adjusting mechanism comprises a flange connecting seat 26, a rotary flange plate 55, a fixing screw 57 and an adjusting jackscrew 58 which are arranged on the movable rack 2;

preferably, the suspension support 3 is provided with a suspension pin shaft 4, 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 support 10 through a movable frame hinge 7 and a hinge pin shaft 8;

preferably, the rotary cutter head mechanism and the fixed cutter head mechanism both comprise a vertical shaft 15, a bearing 16 is mounted outside the vertical shaft 15, a cutter head flange 17 is mounted through the bearing 16, a driven gear 21 is mounted at the upper part of the cutter head flange 17, the driven gear 21 is meshed with a driving gear 22, the driving gear 22 is driven by a hydraulic motor 42, a circle of blades 19 which are spaced are mounted along the outer circumference of the cutter head 18, a tray 36 is mounted at the bottom of the vertical shaft 15 through a tray flange 38, and a tray anti-abrasion layer 37 is mounted on the lower surface of the tray 36;

preferably, the blade 19 is trapezoidal, a plurality of spaced concave arc structures are arranged on two sides of the blade 19 along the length direction, and the cutting edge is positioned on the concave arc structures;

preferably, the rotary cutter head mechanism further comprises a rotatable casing 26 covering the cutter head 18, a casing connecting flange 25 is mounted at the top of the rotatable casing 26, a rotatable annular rotating guard ring 27 is mounted on the outer circumference of the rotatable mechanism 26, a circle of bumper strips 28 are mounted on the outer circumference of the rotating guard ring 27, and a plurality of positioning wheels 29 are mounted between the rotatable casing 26 and the rotating guard ring 27;

preferably, the fixed cutter head mechanism further comprises a casing 24 covering the cutter head 18;

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

preferably, the rotary support arm bracket 10 includes an upper support arm 31 and a lower support arm 32, a support arm bracket 33 is installed between the upper support arm 31 and the lower support arm 32 through a support arm pin 34, and a support arm bracket seat 35 is installed on the support arm bracket 33;

preferably, the power system comprises a hydraulic oil pump 40 installed 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 installed 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 installed on the movable frame 2 through an oil cylinder front support 47 and an oil cylinder pin;

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

The utility model discloses an orchard weeder structural design is ingenious, during the use, installs the weeder on running gear linkage, with hydraulic oil pump and running gear power take off butt joint, drives the weeder removal and drive the blade disc rotation when running gear removes, and the frame mechanism opens and can fix a position according to fruit tree line spacing width when weeding, how line spacing width between adaptable 1.6 meters ~ 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. Around the orchard was close to the both sides of the row of tree, general topography is all uneven, and especially the landmass that ridging was planted is the shape difference more, the utility model discloses a tray formula structure can effectively deal with various complicated topography, is located the disk tray that has wear-resisting protective layer of blade disc below, and the bottom surface lands the back and naturally forms the blade disc and keeps the equidistance with ground all the time according to the height of setting in advance, and the tray naturally falls to the ground and moves along topography (skin) when weeding the walking, and no matter how complicated topography is all can paste the skin by oneself and slide to realize that the required weeding of orchard leaves a stubble height and keep unanimous naturally, avoided the blade to cut the soil stone and cause the orchard weeding common fault that injures people, injures the fruit, damages the blade, injures the root of a tree etc.. 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.

Drawings

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

FIG. 2: FIG. 1 is a partial enlarged view;

FIG. 3: FIG. 1 is a top view;

FIG. 4: a frame mechanism folding state diagram;

FIG. 5: the structure schematic diagram of the cutter head and the blades;

FIG. 6: a blade structure schematic diagram;

FIG. 7: the tray, the tray wear-resistant layer, the tray flange and the vertical shaft are matched with each other.

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; 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 utility model provides an orchard weeding machine, which comprises a frame mechanism arranged on a walking mechanism, wherein the frame mechanism is hinged with a rotary supporting arm support 10 and a fixed supporting arm support 9, the rotary supporting arm support 10 is positioned at the outer side, the tail end of the rotary supporting arm support is provided with a rotary cutter head mechanism, the fixed supporting arm support 9 is positioned at the inner side, the tail end of the fixed supporting arm support is provided with a fixed cutter head mechanism, the frame 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 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 arranged on the movable frame 2, a rotary flange 55, a fixed screw 57 and an adjusting jackscrew 58,

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 a better weeding effect, the rotary cutter head mechanism and the fixed cutter head mechanism both comprise a vertical shaft 15, 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 is arranged at the upper part of the cutter head flange 17, the driven gear 21 is meshed with a driving gear 22, the driving gear 22 is driven by a hydraulic motor 42, a circle of blades 19 which are spaced are arranged along the outer circumference of the cutter head 18, a tray 36 is arranged at the bottom of the 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;

in order to better gather weeds, improve weeding efficiency and further prolong the service life of the blade, the blade 19 is trapezoidal, a plurality of spaced concave arc structures are arranged on two sides of the blade 19 along the length direction, and the cutting edge is positioned on the concave arc structures;

in order to protect surrounding people and livestock and prevent the cutter head from cutting the trunk, the rotary cutter head mechanism also comprises a rotary casing 26 covered right above the cutter head 18, a casing connecting flange 25 is arranged at the top of the rotary casing 26, a rotatable annular rotary guard ring 27 is arranged on the outer circumference of the rotary mechanism 26, a circle of anti-collision strips 28 are arranged on the outer circumference of the rotary guard ring 27, and a plurality of positioning wheels 29 are arranged between the rotary casing 26 and the rotary guard ring 27;

the fixed cutter head mechanism also comprises a shell 24 which covers the cutter head 18;

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

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 in use, the weeding machine is arranged on the suspension device of the walking mechanism, the hydraulic oil pump 40 is butted with the power output of the walking mechanism, the walking mechanism drives the weeding machine to move and drive the cutter head to rotate while moving, the frame mechanism is opened and can be positioned according to the row spacing width of the fruit tree, the row spacing width between 1.6 m and 4.5 m can be adapted, the rotary cutter head mechanism carries out weeding by fixing the cutter head mechanism, the rotary cutter head mechanism can extend under the fruit tree to be randomly close to the trunk for weeding without damaging the trunk, the diameter of the rotary shell above the cutter head is larger than that of the cutter head and the cutter blades, when encountering the trunk in weeding operation, the rotary shell with the rubber anti-collision strip contacts the trunk in advance, the cutter head with the diameter smaller than that of the shell and the cutter blades can not collide with the trunk, and along with the walking, the reaction force of the trunk can automatically prop the rotary support arm capable, the rotary arm tension spring is used for controlling the force leaning on the trunk to be incapable of hurting the trunk and the cutter head to slide (hide) over the trunk, and then the rotary arm is pulled to return in time, so that the aim of removing grass close to the trunk without hurting the tree can be achieved. 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. Around the orchard was close to the both sides of the row of tree, general topography is all uneven, and especially the landmass that ridging was planted is the shape difference more, the utility model discloses a tray formula structure can effectively deal with various complicated topography, is located the disk tray that has wear-resisting protective layer of blade disc below, and the bottom surface lands the back and naturally forms the blade disc and keeps the equidistance with ground all the time according to the height of setting in advance, and the tray naturally falls to the ground and moves along topography (skin) when weeding the walking, and no matter how complicated topography is all can paste the skin by oneself and slide to realize that the required weeding of orchard leaves a stubble height and keep unanimous naturally, avoided the blade to cut the soil stone and cause the orchard weeding common fault that injures people, injures the fruit, damages the blade, injures the root of a tree etc.. 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

1. The utility model provides an orchard weeder, its characterized in that is including installing the rack mechanism on running gear, the rack mechanism articulates there are gyration support arm support (10), fixed support arm support (9), gyration support arm support (10) are located the outside and the end installs gyration blade disc mechanism, fixed support arm support (9) are located inboard and the end installs fixed blade disc mechanism, the last power unit that is used for driving gyration blade disc mechanism, fixed blade disc mechanism work of installing of rack mechanism, power unit can also drive the rack mechanism and draw in or open.

2. An orchard weeding machine according to claim 1, wherein the frame mechanism comprises a main frame (1) and a movable frame (2) with one end hinged to the main frame (1), the movable frame (2) is controlled by a hydraulic cylinder (46), the movable frame (2) is connected with a rotary support arm support (10) and a fixed support arm support (9) through two cutter head lateral angle adjusting mechanisms, and a plurality of suspension supports (3) for mounting the main frame (1) on the travelling mechanism are mounted on the main frame (1).

3. An orchard weeding machine according to claim 2, wherein the cutter head lateral angle adjustment mechanism comprises a flange connection seat, a rotary flange (55), a fixing screw (57) and an adjustment jackscrew (58) which are respectively mounted on the middle part and the end part of the movable frame (2).

4. An orchard weeder according to claim 1, characterized in that gyration blade disc mechanism, fixed blade disc mechanism all include vertical scroll (15), vertical scroll (15) externally mounted has bearing (16), install blade disc flange (17) through bearing (16), driven gear (21) are installed on blade disc flange (17) upper portion, driven gear (21) and driving gear (22) mesh mutually, driving gear (22) are driven by hydraulic motor (42), 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), the lower surface mounting of tray (36) has tray abrasionproof layer (37).

5. An orchard weeding machine according to claim 4, wherein the blade (19) is trapezoidal, a plurality of spaced concave arc structures are provided along both sides of the length of the blade (19), and the cutting edge is located on the concave arc structures.

6. An orchard weeding machine according to claim 4, wherein the rotary cutter head mechanism further comprises a rotatable casing (26) covering the cutter head (18), a casing connecting flange (25) is mounted at the top of the rotatable casing (26), a rotatable annular rotary guard ring (27) is mounted on the outer circumference of the rotatable casing (26), a circle of anti-collision strip (28) is mounted on the outer circumference of the rotary guard ring (27), and a plurality of positioning wheels (29) are mounted between the rotatable casing (26) and the rotary guard ring (27).

7. An orchard weeding machine according to claim 6, wherein the driven gear 21 is externally covered with a gear cover (23), the blades (19) are mounted on the cutterhead (18) by means of special screws (20), and the positioning wheel (29) is mounted on the rotatable casing (26) by means of a positioning wheel support (30).

8. An orchard weeding machine according to claim 1, wherein the swivel support arm support (10) comprises an upper support arm (31) and a lower support arm (32), a support arm support (33) is mounted between the upper support arm (31) and the lower support arm (32) by means of a support arm pin (34), and a support arm support base (35) is mounted on the support arm support (33).

9. An orchard weeding machine according to claim 1, wherein the power mechanism comprises a hydraulic oil pump (40) mounted 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 of the hydraulic control valves (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 mounted 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 (46) is mounted on the movable frame (2) through an oil cylinder front support (47) and an oil cylinder pin.

10. An orchard weeding machine according to claim 6, characterized in that a height adjusting mechanism is mounted above the rotary support arm bracket (10), the height adjusting mechanism comprises a rotary cutter disk cantilever arm (12) and a fixed cutter disk cantilever arm (11), the rotary cutter disk cantilever arm (12) is mounted at the end of the movable rack (2) and is located above the rotary support arm bracket (10), one end of the fixed cutter disk cantilever arm (11) is mounted at the middle of the movable rack (2) and is located above the fixed support arm bracket (9), cantilever arm tension springs (14) are mounted at one ends of the rotary cutter disk cantilever arm (12) and the fixed cutter disk cantilever arm (11), the bottoms of the cantilever arm tension springs (14) are respectively fixed on the machine shell connecting flange (25), the rotary arm tension spring (13) is mounted on the movable rack (2), one end of the rotary arm tension spring (13) is fixed at the end of the rotary support arm (50), the other end of the fixed cutter head suspension arm is fixed on the movable rack (2), the root of the rotary support rocker arm (50) is fixed on the rotary support arm support (10), one ends of the fixed cutter head suspension arm (11) and the rotary cutter head suspension arm (12) are respectively provided with a caster connecting arm (54), and one end of the caster connecting arm (54) is provided with a supporting caster (51) through the rotary support (52) and the height adjusting screw rod (53).