CN111096109A

CN111096109A - Modular land tillage machine

Info

Publication number: CN111096109A
Application number: CN202010044160.1A
Authority: CN
Inventors: 于江龙; 刘冰; 郝文超; 辛天宇
Original assignee: Heilongjiang Fengwo Feifan Agricultural Technology Development Co Ltd
Current assignee: Heilongjiang Fengwo Feifan Agricultural Technology Development Co Ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-05-05

Abstract

The invention discloses a modular land tillage machine, wherein the front end of a pull beam frame is rotatably connected with a suspension bracket, a rotating shaft of the suspension bracket is vertical to a horizontal plane, the rear end of the pull beam frame is fixedly connected with the front end of a main frame, the main frame is sequentially provided with a plurality of adjustable rake disc assemblies, a walking wheel assembly and a soil crushing and leveling assembly from front to back, the plurality of adjustable rake disc assemblies are uniformly arranged on the left side and the right side of a central axis of the main frame in the front-back direction, the soil crushing and leveling assembly is fixed at the rear end of the main frame and is used for crushing and leveling soil, and the purpose is to solve the problem that different soil crushing and leveling modules cannot be hung in the same land preparation machine. The effect is as follows: the angle of the rake disc set can be adjusted according to requirements; the automatic adjustment of the height of the travelling wheels relative to the ground surface; the agricultural modular land tillage machine has the advantages of simple structure, low adjustment difficulty, good leveling effect on the ground surface and high machine and tool trafficability; the function of hanging different land crushing and leveling modules by the same machine is realized.

Description

Modular land tillage machine

Technical Field

The embodiment of the invention relates to the technical field of agricultural machinery, in particular to a modular land tillage machine.

Background

In the crop planting process, a seeder, a land preparation machine and a modular land cultivation machine are widely used, wherein the modular land cultivation machine can realize the paving of surface soil or the deep loosening, crushing, leveling and pressing of the soil, so that a better cultivation condition is obtained, and particularly for strip-cultivated crops, the flatness of the surface obviously influences the quality of sowing quality; the main problems of the modular land tillage machine in the prior art are that: the angle of the harrow disk group is not adjustable or the adjustment difficulty is large, the height of the walking wheel relative to the ground surface is not adjustable or the adjustment difficulty is large, and different soil crushing and leveling modules cannot be articulated in the same land preparation machine.

Disclosure of Invention

Therefore, the embodiment of the invention provides a modular land tillage machine, which is used for solving the problem that different soil crushing and leveling modules cannot be hung in the same land preparation machine in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

according to a first aspect of embodiments of the invention, a modular land cultivator comprises a suspension frame, a beam pull frame, a main frame, an adjustable harrow plate component, a soil crushing and leveling component and a road wheel component; the front end of the draw beam frame is rotatably connected with a suspension bracket, a rotating shaft of the suspension bracket is perpendicular to the horizontal plane, the rear end of the draw beam frame is fixedly connected with the front end of the main frame, the main frame is sequentially provided with a plurality of adjustable rake disc assemblies, a walking wheel assembly and a soil crushing leveling assembly from front to back, the plurality of adjustable rake disc assemblies are equally divided and arranged on the left side and the right side of the central axis of the main frame in the front-back direction, the soil crushing leveling assembly is fixed at the rear end of the main frame, and the soil crushing leveling assembly is used for crushing.

Further, the main frame comprises a front cross beam, two first main beams, two second main beams and a rear cross beam; the front cross beam is arranged right in front of the rear cross beam at intervals, the front cross beam and the rear cross beam are connected through two first main beams and two second main beams, the first main beams and the second main beams are arranged in parallel, the two first main beams are positioned at the inner side, the two second main beams are respectively positioned at the outer sides of the first main beams, the draw beam frame is detachably connected on the front cross beam, the soil breaking and leveling assembly is detachably connected on the rear cross beam, the adjustable rake disc assemblies are four groups, two groups of adjustable rake disc assemblies are arranged on the first main beam and the second main beam on the left side of the advancing direction of the machine tool, and the other two groups of adjustable rake disc assemblies are arranged on the first main beam and the second main beams; one end of the adjustable harrow disk component is rotatably connected to the first main beam, and the other end of the adjustable harrow disk component can be inserted on the second main beam in an angle-adjustable manner.

Further, the soil crushing and leveling assembly is a land scraper assembly, and the land scraper assembly comprises a support beam, a bucket and a plurality of tie bars; the plurality of tie bars are arranged on the supporting beam at equal intervals, the supporting beam is detachably connected with the rear cross beam, and the supporting beam is provided with a bucket; the tail ends of the first main beam and the second main beam are connected with the bucket through tie bars.

Furthermore, the hack leveling component comprises a rake tooth component and a hack pressing component, wherein the rake tooth component and the hack pressing component are both detachably arranged on the rear cross beam, and the hack pressing component is positioned at the rear side of the rake tooth component.

Further, the rake teeth assembly comprises; the fifth lug, the angle adjusting connecting rod, the soil leveling plate, the rake tooth hydraulic cylinder, the sixth lug and the spike tooth; the lower surface of the rear cross beam is detachably connected with a plurality of fifth lugs, each fifth lug is provided with a front connecting hole and a rear connecting hole, one end of an angle adjusting connecting rod is hinged in the front connecting hole, the other end of the angle adjusting connecting rod is fixed with a sixth lug, the fixed end of a rake tooth hydraulic cylinder is hinged in the rear connecting hole, and the telescopic end of the rake tooth hydraulic cylinder is hinged in the sixth lug; a plurality of angle adjustment connecting rods can be jointly detachably connected with a soil leveling plate, and the lower edge of the soil leveling plate can be detachably connected with spike teeth.

Further, the soil crushing and pressing assembly comprises a third spring, a spring pressing plate, a rear suspension rod, a connecting frame, a supporting arm, a soil crushing shaft, a soil crushing disc, a soil crushing toothed plate, a pressing shaft, an annular pressing ring, a pressing nail and a rear suspension mounting frame; the rear cross beam is detachably connected with even number of rear suspension mounting frames, a rear suspension rod is hinged in each rear suspension mounting frame, a rear suspension limiting plate for limiting the rear suspension rod to swing downwards is arranged at the lower end of each rear suspension mounting frame, a spring guide plate is hinged on each rear suspension mounting frame, a spring pressing plate and a third spring are arranged on each spring guide plate in a penetrating mode, the spring pressing plate abuts against the upper surface of each rear suspension rod, and the third spring is arranged above the spring pressing plate; the rear ends of each two rear suspension rods are fixedly provided with a connecting frame, and the two horizontal ends of the connecting frame are respectively fixedly provided with a supporting arm; the front ends of the two supporting arms are rotatably connected with a soil crushing shaft, a plurality of soil crushing disks are fixed on the soil crushing shaft at intervals, the plurality of soil crushing disks are respectively vertical to the soil crushing shaft, a plurality of soil crushing toothed plates are jointly fixed on the outer edges of the plurality of soil crushing disks, and the soil crushing toothed plates extend along the radial direction of the soil crushing shaft; the rear ends of the two supporting arms are rotatably connected with a pressing shaft, the pressing shaft is detachably connected with a plurality of annular pressing rings, the peripheral side of each annular pressing ring is fixedly provided with a plurality of pressing nails, and the plurality of pressing nails are arranged on the peripheral side of the annular pressing rings in a left-right direction in a staggered mode.

Furthermore, the subsoiler also comprises a plurality of subsoilers, the front beam is of a rectangular frame structure, and a plurality of subsoilers are detachably connected to the front beam and the rear beam of the front beam.

Furthermore, the adjustable rake disc assembly comprises a rotating beam, a rotating pin plate, a positioning pin, a cam bearing follower and a rake disc assembly; a rotary pin plate is fixed on the second main beam, a plurality of adjusting holes are formed in the rotary pin plate and are distributed along an arc curve, and the distances between the plurality of adjusting holes and the rotating center of the rotary beam are equal; one end of the rotating beam is rotatably connected to the first main beam, and the other end of the rotating beam is inserted into one of the adjusting holes through the positioning pin; the cam bearing follower is rotationally connected to the rotating beam, the rotating bolt plate is positioned between the cam bearing follower and the upper surface of the rotating beam, and the cam bearing follower is in rolling connection with the rotating bolt plate; the rake disc group is arranged below the rotating beam; the cam bearing seat plate is arranged on the rotating shaft; the rotating shaft is inserted at the rotating connection position of the rotating beam and the first main beam; the cam bearing seat plate is vertically fixed on the rotating beam, the cam bearing seat plate is positioned beside the rotating pin plate, the cam bearing follower is rotatably connected to the upper end of the cam bearing seat plate, and a rotating shaft of the cam bearing follower is parallel to the upper surface of the rotating pin plate; the rake disc group comprises a square shaft, a vertical beam, a plurality of rake blades, a spacer bush, a soil scraping connecting beam, a connecting plate, a plurality of soil scraping plates and a U-shaped clamp; the plurality of harrow plates are arranged on the square shaft at equal intervals, and the square shaft is detachably connected to the rotating beam through at least two vertical beams; the rake blades are inserted on the square shaft, and spacer bushes are fixed on the surfaces of the two sides of each rake blade and are abutted against the rake blades; the scraper connecting beam is fixed on one side of the rotating beam through at least two connecting plates, the rotating beam and the scraper connecting beam are arranged in parallel, the number of the scraper plates is the same as that of the scraper blades, a plurality of scraper plates can be detachably connected to the scraper connecting beam, and a scraper plate is arranged beside each scraper blade; each connecting plate is detachably fixed on the rotating beam through two U-shaped clamps; the square shaft is square in section and is rotatably connected to the vertical beam through a bearing; the cam bearing follower is a bearing, the inner ring of the bearing is fixed on the cam bearing seat plate, and the outer ring of the bearing is arranged on the upper surface of the rotary bolt plate in a rolling manner; the plurality of adjusting holes are arranged at equal intervals along the arc curve, and the curvature center of the arc curve is coaxial with the rotation center of the rotating beam.

Furthermore, the device also comprises a first hanging lug, a second hanging lug, a spring pull rod, a first spring, a guide sleeve and a second spring; the draw-beam frame is a triangular frame structure, the first hangers are fixed in the middle of the rear end of the draw-beam frame, the second hangers are fixed in the middle of the front cross beam, the guide sleeve is hinged to the second hangers, one end of the spring pull rod is hinged to the first hangers, the guide sleeve is worn out of the other end of the spring pull rod, the first spring and the second spring are sleeved on the spring pull rod, the first spring is located between the first hangers and the guide sleeve, and the second spring is located on one side, away from the first hangers, of the guide sleeve.

Furthermore, the travelling wheel assembly comprises a third lug, a fourth lug, a travelling hydraulic cylinder, a travelling wheel shaft, a swing arm, a travelling mounting plate, tires and a limit baffle; the third hanging lug is fixed between the two first main beams, the two second main beams are respectively fixed with a walking mounting plate, two ends of a walking wheel shaft are respectively and correspondingly rotatably connected to the two walking mounting plates, the fourth hanging lug is fixed in the middle of the walking wheel shaft, a cylinder body of a walking hydraulic cylinder is hinged in the third hanging lug, and a telescopic end of the walking hydraulic cylinder is hinged in the fourth hanging lug; two swing arms are fixed on the outer side wall of the walking wheel shaft in a downward inclining mode, the two swing arms are symmetrically arranged around the fourth hanging lug, and the lower end of each swing arm is rotatably connected with a tire; and the positions of the walking wheel shaft at the two sides of the fourth hanging lug are provided with limit baffles.

The invention has the following advantages: by the specific installation structure of the adjustable harrow disk assembly and the walking wheel assembly, the angle of the harrow disk assembly can be adjusted according to requirements, and the adjustment difficulty is reduced; the automatic adjustment of the height of the walking wheel relative to the ground surface is realized through the walking wheel assembly provided with the walking hydraulic cylinder; the agricultural modular land tillage machine has the advantages of simple structure, low adjustment difficulty, good leveling effect on the ground surface and high machine and tool trafficability; the function of hanging different land crushing and leveling modules by the same machine is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is a perspective view of a modular land cultivator according to some embodiments of the present invention.

FIG. 2 is a plan view of an adjustable rake disc assembly of a modular land cultivator according to some embodiments of the present invention.

Fig. 3 is a perspective view of an adjustable harrow plate assembly of a modular land cultivator according to some embodiments of the invention.

FIG. 4 is a perspective view of a mounted flat blade assembly of a modular soil tilling machine according to some embodiments of the present invention.

FIG. 5 is a top view of the mounted flat blade assembly of the modular soil tilling machine provided in FIG. 4.

FIG. 6 is a side view of the mounted flat blade assembly of the modular soil tilling machine provided in FIG. 4.

Fig. 7 is a perspective view of a modular soil tilling and working machine with a subsoiler, a tine assembly and a soil breaking and compacting assembly according to some embodiments of the present invention.

Fig. 8 is a partial block diagram of the installation subsoiler, tine assembly and soil breaking and compacting assembly of the modular soil tillage machine of fig. 7.

Fig. 9 is a top view of the modular soil tilling machine shown in fig. 7 with the subsoiler, the tine assembly and the soil breaking and compacting assembly installed.

Fig. 10 is a side view of the modular soil tilling machine shown in fig. 7 with the subsoiler, the tine assembly and the soil breaking and compacting assembly installed.

In the figure: 1. suspension bracket, 2, beam-pulling frame, 3, front beam, 4, adjustable harrow disk component, 5, hydraulic tank, 6, walking hydraulic cylinder, 7, land scraper component, 8, walking wheel component, 9, first hanger, 10, second hanger, 11, first girder, 12, second girder, 13, rotating beam, 14, scraping connecting beam, 15, rotating bolt plate, 16, adjusting hole, 17, positioning pin, 18, connecting plate, 19, U-shaped clamp, 20, scraping plate, 21, rotating shaft, 22, harrow plate, 23, cam bearing follower, 24, square shaft, 25, cam bearing seat plate, 26, spring pull rod, 27, first spring, 28, guide sleeve, 29, second spring, 30, third hanger, 31, fourth hanger, 32, walking wheel shaft, 33, swing arm, 34, walking mounting plate, 35, bucket, 36, limit baffle, 37, rear beam, 38, 39, 33, swing arm, Lacing wire, 40, subsoiler, 41, harrow tooth subassembly, 42, hack suppression subassembly, 43, fifth hangers, 44, angle adjustment connecting rod, 45, the board that levels soil, 46, the harrow tooth pneumatic cylinder, 47, sixth hangers, 48, spike tooth, 49, third spring, 50, spring clamp plate, 51, rear suspension rod, 52, link, 53, support arm, 54, hack axle, 55, hack dish, 56, hack pinion, 57, suppression axle, 58, annular suppression circle, 59, suppression nail, 60, rear suspension mounting bracket.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the modular land cultivator in the present embodiment comprises a suspension bracket 1, a tension beam bracket 2, a main frame, an adjustable harrow disk assembly 4, a soil crushing and leveling assembly and a road wheel assembly 8; the front end of the draw-beam frame 2 is rotatably connected with a suspension bracket 1, the rotating shaft vertical to the horizontal plane of the suspension bracket 1, the rear end of the draw-beam frame 2 is fixedly connected with the front end of the main frame, the main frame is sequentially provided with a plurality of adjustable rake disc assemblies 4 from front to back, a walking wheel assembly 8 and a soil crushing leveling assembly, the plurality of adjustable rake disc assemblies 4 are respectively arranged on the left side and the right side of the central axis of the main frame in the front-back direction, the soil crushing leveling assembly is fixed at the rear end of the main frame, and the soil crushing leveling assembly is used for crushing and.

In the embodiment, the suspension bracket 1 is used for being connected with a tractor, the suspension bracket 1 is provided with a connecting lug connected with the tractor, and the pull beam frame 2 is used for realizing the connection between the suspension bracket 1 and the main frame and adjusting the horizontal angle of the main frame.

The technical effect that this embodiment reaches does: by the specific installation structure of the adjustable harrow disk assembly 4 and the walking wheel assembly 8, the angle of the harrow disk assembly can be adjusted according to requirements, and the adjustment difficulty is reduced; the automatic adjustment of the height of the walking wheels relative to the ground surface is realized through the walking wheel assembly 8 provided with the walking hydraulic cylinder 6; the agricultural modular land tillage machine has the advantages of simple structure, low adjustment difficulty, good leveling effect on the ground surface and high machine and tool trafficability; the function of hanging different land crushing and leveling modules by the same machine is realized.

Example 2

As shown in fig. 1, the modular land cultivator of the present embodiment includes all the technical features of embodiment 3, and in addition, the main frame includes a front cross beam 3, two first main beams 11, two second main beams 12 and a rear cross beam 37; the front cross beam 3 is arranged right in front of the rear cross beam 37 at intervals, the front cross beam 3 and the rear cross beam 37 are connected through two first main beams 11 and two second main beams 12, the first main beams 11 and the second main beams 12 are arranged in parallel, the two first main beams 11 are arranged at the inner side, the two second main beams 12 are respectively arranged at the outer sides of the first main beams 11, the draw beam frame 2 is detachably connected on the front cross beam 3, the soil crushing and leveling assembly is detachably connected on the rear cross beam 37, the adjustable rake disc assemblies 4 are four groups, wherein the two groups of adjustable rake disc assemblies 4 are arranged on the first main beam 11 and the second main beam 12 at the left side of the advancing direction of the machine tool, and the other two groups of adjustable rake disc assemblies 4 are arranged on the first main beam 11 and the second main; one end of the adjustable harrow disk component 4 is rotatably connected on the first main beam 11, and the other end of the adjustable harrow disk component 4 is inserted on the second main beam 12 in an angle-adjustable manner.

In this embodiment, the front cross beam 3, the rear cross beam 37, the first main beam 11 and the second main beam 12 are all rectangular steel pipes, and form a main frame by welding connection or bolt connection.

The beneficial effects in this embodiment are: through setting up the main frame into the structure of front beam 3, rear frame member 37, first girder 11 and second girder 12, it is simple convenient to process, is convenient for realize the machines standardization, has improved the convenience of adjustable harrow dish subassembly 4, hack leveling assembly and the installation of walking wheel subassembly 8, dismantles to change simply.

Example 3

As shown in fig. 4 to 6, a modular land cultivator in this embodiment includes all the technical features of embodiment 3, in addition to the soil breaking and leveling assembly being a grading blade assembly 7, the grading blade assembly 7 including a support beam, a bucket 38 and a plurality of tie bars 39; a plurality of tie bars 39 are arranged on the support beam at equal intervals, the support beam is detachably connected with the rear cross beam 37, and the support beam is provided with a bucket 38; the ends of the first main beam 11 and the second main beam 12 are connected to the bucket 38 through tie bars 39.

In the present embodiment, the bucket 38 is provided with a receiving cavity with an open front end, an inclined flat plate is arranged at the lowest part of the bucket 38, and the shape of the bucket 38 is similar to that of a digging bucket of an excavator; wherein the lacing wire 39 is composed of a plurality of connecting rods.

The using method of the embodiment comprises the following steps: by arranging the bucket 38, the soil is paved and tidied, and the land leveling effect is improved; by providing the tie bars 39, the strength of the connection between the bucket 38 and the main frame is enhanced.

Example 4

As shown in fig. 7 to 10, the modular soil tilling and leveling machine of the present embodiment includes all the technical features of embodiment 2, and in addition, the soil breaking and leveling assembly includes a rake teeth assembly 41 and a soil breaking and pressing assembly 42, both the rake teeth assembly 41 and the soil breaking and pressing assembly 42 are detachably disposed on the rear cross beam 37, and the soil breaking and pressing assembly 42 is located at the rear side of the rake teeth assembly 41; the rake tine assembly 41 includes; a fifth lug 43, an angle adjusting connecting rod 44, a soil leveling plate 45, a rake tooth hydraulic cylinder 46, a sixth lug 47 and a spike tooth 48; the lower surface of the rear cross beam 37 is detachably connected with a plurality of fifth hanging lugs 43, each fifth hanging lug 43 is provided with a front connecting hole and a rear connecting hole, one end of an angle adjusting connecting rod 44 is hinged in the front connecting hole, the other end of the angle adjusting connecting rod 44 is fixed with a sixth hanging lug 47, the fixed end of a rake tooth hydraulic cylinder 46 is hinged in the rear connecting hole, and the telescopic end of the rake tooth hydraulic cylinder 46 is hinged in the sixth hanging lug 47; the angle adjusting connecting rods 44 are detachably connected with a soil leveling plate 45 together, and the lower edge of the soil leveling plate 45 is detachably connected with spike teeth 48; the soil crushing and pressing assembly 42 comprises a third spring 49, a spring pressing plate 50, a rear suspension rod 51, a connecting frame 52, a supporting arm 53, a soil crushing shaft 54, a soil crushing disc 55, a soil crushing toothed plate 56, a pressing shaft 57, an annular pressing ring 58, a pressing nail 59 and a rear suspension mounting frame 60; the rear cross beam 37 is detachably connected with even number of rear suspension mounting frames 60, a rear suspension rod 51 is hinged in each rear suspension mounting frame 60, a rear suspension limiting plate for limiting the downward swing of the rear suspension rod 51 is arranged at the lower end of the rear suspension mounting frame 60, a spring guide plate is hinged on the rear suspension mounting frame 60, a spring pressing plate 50 and a third spring 49 penetrate through the spring guide plate, the spring pressing plate 50 abuts against the upper surface of the rear suspension rod 51, and the third spring 49 is arranged above the spring pressing plate 50; the rear ends of every two rear suspension rods 51 are fixedly provided with a connecting frame 52, and the horizontal two ends of the connecting frame 52 are respectively fixedly provided with a supporting arm 53; the front ends of the two supporting arms 53 are rotatably connected with a soil crushing shaft 54, a plurality of soil crushing disks 55 are fixed on the soil crushing shaft 54 at intervals, the plurality of soil crushing disks 55 are respectively vertical to the soil crushing shaft 54, a plurality of soil crushing toothed plates 56 are fixed on the outer edges of the plurality of soil crushing disks 55 together, and the soil crushing toothed plates 56 extend along the radial direction of the soil crushing shaft 54; the rear ends of the two supporting arms 53 are rotatably connected with a pressing shaft 57, the pressing shaft 57 is detachably connected with a plurality of annular pressing rings 58, the outer peripheral side of each annular pressing ring 58 is fixedly provided with a plurality of pressing nails 59, and the plurality of pressing nails 59 are arranged on the outer peripheral side of the annular pressing rings 58 in a left-right direction in a staggered manner; still include a plurality of subsoiler 40, the front beam is rectangular frame structure, can dismantle on two crossbeams in the front and back of front beam and be connected with a plurality of subsoiler 40.

The beneficial effects in this embodiment are: the subsoiling shovel 40 in the embodiment realizes subsoiling operation on soil, the rake tooth assembly 41 realizes uniform spreading of soil blocks, the soil leveling plate 45 plays a good role in pushing, and the soil crushing roller consisting of the soil crushing press assembly 42, the soil crushing shaft 54, the soil crushing disc 55 and the soil crushing toothed plate 56 realizes crushing of soil blocks; the compacting roller consisting of the compacting shaft 57, the annular compacting ring 58 and the compacting nails 59 realizes the compacting and leveling of the crushed soil.

Example 5

As shown in fig. 2 to 3, a modular land cultivator in the present embodiment includes all the technical features of

embodiment

3 or 4, in addition to which, the adjustable rake disc assembly 4 includes a rotary beam 13, a rotary latch plate 15, a dowel pin 17, a cam bearing follower 23 and a rake disc assembly; a rotary pin plate 15 is fixed on the second main beam 12, a plurality of adjusting holes 16 are formed in the rotary pin plate 15, the plurality of adjusting holes 16 are distributed along an arc curve, and the distances between the plurality of adjusting holes 16 and the rotating center of the rotating beam 13 are equal; one end of the rotating beam 13 is rotatably connected to the first main beam 11, and the other end of the rotating beam 13 is inserted into one of the adjusting holes 16 through a positioning pin 17; the cam bearing follower 23 is rotationally connected to the rotating beam 13, the rotating bolt plate 15 is positioned between the cam bearing follower 23 and the upper surface of the rotating beam 13, and the cam bearing follower 23 is in rolling connection with the rotating bolt plate 15; the rake disc group is arranged below the rotating beam 13; further includes a rotary shaft 21 and a cam bearing plate 25; the rotating shaft 21 is inserted at the rotating connection position of the rotating beam 13 and the first main beam 11; the cam bearing seat plate 25 is vertically fixed on the rotating beam 13, the cam bearing seat plate 25 is positioned beside the rotating pin plate 15, the cam bearing follower 23 is rotatably connected to the upper end of the cam bearing seat plate 25, and the rotating shaft of the cam bearing follower 23 is parallel to the upper surface of the rotating pin plate 15; the rake disc group comprises a square shaft 24, a vertical beam, a plurality of rake blades 22, a spacer bush, a soil scraping connecting beam 14, a connecting plate 18, a plurality of soil scraping plates 20 and a U-shaped clamp 19; the plurality of harrow plates 22 are arranged on the square shaft 24 at equal intervals, and the square shaft 24 is detachably connected to the rotating beam 13 through at least two vertical beams; the rake blades 22 are inserted on the square shaft 24, and spacer bushes are fixed on the two side surfaces of each rake blade 22 and are abutted against the rake blades 22; the scraper connecting beam 14 is fixed on one side of the rotating beam 13 through at least two connecting plates 18, the rotating beam 13 and the scraper connecting beam 14 are arranged in parallel, the number of the scraper plates 20 is the same as that of the scraper blades 22, a plurality of scraper plates 20 can be detachably connected to the scraper connecting beam 14, and the scraper plate 20 is arranged beside each scraper blade 22; each connecting plate 18 is detachably fixed on the rotary beam 13 through two U-shaped clamps 19; the square shaft 24 is square in section, and the square shaft 24 is rotatably connected to the vertical beam through a bearing; the cam bearing follower 23 is a bearing, the inner ring of the bearing is fixed on the cam bearing seat plate 25, and the outer ring of the bearing is arranged on the upper surface of the rotary latch plate 15 in a rolling manner; the plurality of adjustment holes 16 are provided at equal intervals along an arc curve, and the center of curvature of the arc curve is coaxial with the center of rotation of the rotary beam 13.

In this embodiment use, pull out locating pin 17, rotate the free end of rotatory roof beam 13, adjust to behind the required angle, align one of them regulation hole 16 with the round hole on the rotatory roof beam 13, peg graft in regulation hole 16 behind passing rotatory roof beam 13 with locating pin 17.

The beneficial effects in this embodiment are: through the connection and matching of the rotary beam 13, the rotary bolt plate 15, the positioning pin 17, the cam bearing follower 23 and the components, the adjustment difficulty of the rake disc set is remarkably reduced, and the angle adjustment of the rake disc set can be realized by only one person; by arranging the cam bearing seat plate 25, the rolling performance of the cam bearing follower 23 is improved, and the rotation process is more stable; through the specific structure of the harrow plate group arranged in the embodiment, a better land preparation and leveling effect is realized, through the arrangement of the square shaft 24, the quick installation and disassembly of the harrow plates 22 are realized, and through the arrangement of the scraper plate 20, the clay phenomenon generated in the working process of the harrow plates 22 is avoided; the cam bearing follower 23 is arranged as a bearing, so that the structure is simple, the rolling effect is good, the adjustment difficulty is low, and the service life is long; the adjusting holes 16 are arranged at equal intervals, so that the angle can be adjusted at equal intervals, and the standardization of the machine tool is facilitated.

Example 6

As shown in fig. 4 or fig. 7, the modular land cultivator of the present embodiment includes all the technical features of embodiment 5, and in addition, includes a first hanger 9, a second hanger 10, a spring pull rod 26, a first spring 27, a guide sleeve 28 and a second spring 29; the pull beam frame 2 is of a triangular frame structure, the first hanging lug 9 is fixed in the middle of the rear end of the pull beam frame 2, the second hanging lug 10 is fixed in the middle of the front cross beam 3, the guide sleeve 28 is hinged on the second hanging lug 10, one end of the spring pull rod 26 is hinged on the first hanging lug 9, the other end of the spring pull rod 26 penetrates out of the guide sleeve 28, the first spring 27 and the second spring 29 are both sleeved on the spring pull rod 26, the first spring 27 is located between the first hanging lug 9 and the guide sleeve 28, and the second spring 29 is located on one side, away from the first hanging lug 9, of the guide sleeve 28; the travelling wheel assembly 8 comprises a third lug 30, a fourth lug 31, a travelling hydraulic cylinder 6, a travelling wheel shaft 32, a swing arm 33, a travelling mounting plate 34, tires 35 and a limit baffle 36; the third hanging lug 30 is fixed between the two first main beams 11, the two second main beams 12 are respectively fixed with a walking mounting plate 34, two ends of a walking wheel shaft 32 are respectively and correspondingly connected to the two walking mounting plates 34 in a rotating mode, the fourth hanging lug 31 is fixed in the middle of the walking wheel shaft 32, a cylinder body of the walking hydraulic cylinder 6 is hinged into the third hanging lug 30, and a telescopic end of the walking hydraulic cylinder 6 is hinged into the fourth hanging lug 31; two swing arms 33 are fixed on the outer side walls of the walking wheel shafts 32 in a downward inclined mode, the two swing arms 33 are symmetrically arranged relative to the fourth hanging lug 31, and the lower end of each swing arm 33 is rotatably connected with a tire 35; the positions of the walking wheel shaft 32 at the two sides of the fourth hanging lug 31 are provided with limit baffles 36.

In this embodiment, still include hydraulic tank 5, hydraulic tank 5 is fixed on two first girders 11, and hydraulic tank 5 links to each other with walking pneumatic cylinder 6 through hydraulic pressure pipeline, provides power for it.

The beneficial effects in this embodiment are: by arranging the spring pull rod 26, the first spring 27 and the second spring 29, the pressure of the whole machine is adjusted, a good buffering effect is achieved, and the rationalization of the ground pressure in the operation process is enhanced; the problem of short service life of the machine tool caused by excessive vibration is solved; by arranging the traveling hydraulic cylinder 6, the adjustment of the relative height of the traveling wheels is realized, so that the adaptability of the machine to the soil with different hardness is realized; by arranging the limit baffle 36, the limit effect on the walking wheel assembly 8 is achieved.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

Claims

1. A modular land cultivator is characterized by comprising a suspension bracket (1), a draw beam bracket (2), a main frame, an adjustable harrow disc component (4), a soil crushing and leveling component and a walking wheel component (8); the front end of arm-tie frame (2) rotates and is connected with mounted frame (1), the pivot perpendicular to horizontal plane of mounted frame (1), the rear end of arm-tie frame (2) with the front end fixed connection of main frame, the main frame has set gradually a plurality of adjustable harrow dish subassembly (4), walking wheel subassembly (8) and hack leveling component backward from the beginning, and is a plurality of the left and right sides that set up the fore-and-aft direction axis at the main frame is equallyd divide in adjustable harrow dish subassembly (4), the hack leveling component is fixed the rear end of main frame, the hack leveling component is used for carrying out breakage and leveling with soil.

2. A modular land cultivator according to claim 1, wherein the main frame comprises a front cross beam (3), two first main beams (11), two second main beams (12) and a rear cross beam (37); the front cross beam (3) is arranged right in front of the rear cross beam (37) at intervals, the front cross beam (3) and the rear cross beam (37) are connected through two first main beams (11) and two second main beams (12), the first main beams (11) and the second main beams (12) are arranged in parallel, the two first main beams (11) are located on the inner side, the two second main beams (12) are respectively located on the outer sides of the first main beams (11), the pull beam frame (2) is detachably connected onto the front cross beam (3), the soil breaking and leveling assembly is detachably connected onto the rear cross beam (37), the adjustable rake disc assemblies (4) are four groups, two groups of adjustable rake disc assemblies (4) are arranged on the first main beams (11) and the second main beams (12) on the left side of the advancing direction of the machine tool, and the other two groups of adjustable disc assemblies (4) are arranged on the first main beams (11) and the second main beams (12) on the right side of the advancing direction of the machine tool; one end of the adjustable harrow disk component (4) is rotatably connected to the first main beam (11), and the other end of the adjustable harrow disk component (4) can be inserted on the second main beam (12) in an angle-adjustable manner.

3. A modular land cultivator as claimed in claim 2 wherein the chipper assembly is a grading shovel assembly (7), the grading shovel assembly (7) comprising a support beam, a bucket (38) and a plurality of tie bars (39); the plurality of tie bars (39) are arranged on the support beam at equal intervals, the support beam is detachably connected with the rear cross beam (37), and the support beam is provided with the bucket (38); the tail ends of the first main beam (11) and the second main beam (12) are connected with the bucket (38) through the lacing wire (39).

4. A modular land cultivator according to claim 2 wherein the soil breaking and leveling assembly comprises a tine assembly (41) and a soil breaking and compacting assembly (42), the tine assembly (41) and soil breaking and compacting assembly (42) being removably disposable on the rear cross member (37), the soil breaking and compacting assembly (42) being located on the rear side of the tine assembly (41).

5. A modular land cultivator according to claim 4, wherein the tine assembly (41) includes; a fifth lug (43), an angle adjusting connecting rod (44), a soil leveling plate (45), a rake tooth hydraulic cylinder (46), a sixth lug (47) and spike teeth (48); the lower surface of the rear cross beam (37) is detachably connected with a plurality of fifth hanging lugs (43), each fifth hanging lug (43) is provided with a front connecting hole and a rear connecting hole, one end of an angle adjusting connecting rod (44) is hinged in the front connecting hole, the other end of the angle adjusting connecting rod (44) is fixed with a sixth hanging lug (47), the fixed end of the rake tooth hydraulic cylinder (46) is hinged in the rear connecting hole, and the telescopic end of the rake tooth hydraulic cylinder (46) is hinged in the sixth hanging lug (47); the angle adjusting connecting rods (44) are detachably connected with the soil leveling plate (45) together, and the lower edge of the soil leveling plate (45) is detachably connected with the spike teeth (48).

6. A modular land cultivator according to claim 5, wherein the soil breaking and compacting assembly (42) comprises a third spring (49), a spring pressure plate (50), a rear suspension rod (51), a connecting frame (52), a support arm (53), a soil breaking shaft (54), a soil breaking disc (55), a soil breaking toothed plate (56), a compacting shaft (57), an annular compacting ring (58), compacting nails (59) and a rear suspension mounting frame (60); the rear cross beam (37) is detachably connected with even number of rear suspension mounting frames (60), each rear suspension mounting frame (60) is hinged with a rear suspension rod (51), the lower end of each rear suspension mounting frame (60) is provided with a rear suspension limiting plate for limiting the rear suspension rod (51) to swing downwards, the rear suspension mounting frames (60) are hinged with spring guide plates, the spring guide plates are provided with the spring pressing plates (50) and the third springs (49) in a penetrating mode, the spring pressing plates (50) abut against the upper surfaces of the rear suspension rods (51), and the third springs (49) are arranged above the spring pressing plates (50); the connecting frame (52) is fixed at the rear end of each two rear suspension rods (51), and the supporting arms (53) are respectively fixed at the two horizontal ends of the connecting frame (52); the front ends of the two supporting arms (53) are rotatably connected with the soil crushing shafts (54), a plurality of soil crushing disks (55) are fixed on the soil crushing shafts (54) at intervals, the plurality of soil crushing disks (55) are respectively perpendicular to the soil crushing shafts (54), a plurality of soil crushing toothed plates (56) are jointly fixed on the outer edges of the plurality of soil crushing disks (55), and the soil crushing toothed plates (56) extend along the radial direction of the soil crushing shafts (54); the rear ends of the two supporting arms (53) are rotatably connected with a pressing shaft (57), the pressing shaft (57) is detachably connected with a plurality of annular pressing rings (58), the outer peripheral side of each annular pressing ring (58) is fixedly provided with a plurality of pressing nails (59), and the plurality of pressing nails (59) are arranged on the outer peripheral side of the annular pressing rings (58) in a left-right direction in a staggered mode.

7. A modular land cultivator according to claim 6 further comprising a plurality of subsoilers (40), said front beam being of rectangular frame construction, said front and rear beams of said front beam having a plurality of subsoilers (40) removably attached thereto.

8. A modular land cultivator according to claim 3 or 4, wherein the adjustable harrow plate assembly (4) comprises a rotary beam (13), a rotary latch plate (15), a locating pin (17), a cam bearing follower (23) and a harrow plate set; the rotating pin plate (15) is fixed on the second main beam (12), a plurality of adjusting holes (16) are formed in the rotating pin plate (15), the adjusting holes (16) are distributed along an arc curve, and the distances between the adjusting holes (16) and the rotating center of the rotating beam (13) are equal; one end of the rotating beam (13) is rotatably connected to the first main beam (11), and the other end of the rotating beam (13) is inserted into one of the adjusting holes (16) through the positioning pin (17); the cam bearing follower (23) is rotationally connected to the rotating beam (13), the rotating pin plate (15) is positioned between the cam bearing follower (23) and the upper surface of the rotating beam (13), and the cam bearing follower (23) is in rolling connection with the rotating pin plate (15); the rake disc group is arranged below the rotating beam (13); the cam mechanism further comprises a rotating shaft (21) and a cam bearing seat plate (25); the rotating shaft (21) is inserted at the rotating connection position of the rotating beam (13) and the first main beam (11); the cam bearing seat plate (25) is vertically fixed on the rotating beam (13), the cam bearing seat plate (25) is located on the side of the rotating pin plate (15), the cam bearing follower (23) is rotatably connected to the upper end of the cam bearing seat plate (25), and a rotating shaft of the cam bearing follower (23) is parallel to the upper surface of the rotating pin plate (15); the rake disc group comprises a square shaft (24), a vertical beam, a plurality of rake blades (22), a spacer bush, a soil scraping connecting beam (14), a connecting plate (18), a plurality of soil scraping plates (20) and a U-shaped clamp (19); a plurality of the harrow plates (22) are arranged on the square shaft (24) at equal intervals, and the square shaft (24) is detachably connected to the rotating beam (13) through at least two vertical beams; the rake blades (22) are inserted on the square shaft (24), the spacer bush is fixed on the two side surfaces of each rake blade (22), and the spacer bush is abutted against the rake blades (22); the scraper connecting beam (14) is fixed on one side of the rotating beam (13) through at least two connecting plates (18), the rotating beam (13) and the scraper connecting beam (14) are arranged in parallel, the number of the scraper plates (20) is the same as that of the scraper blades (22), a plurality of scraper plates (20) can be detachably connected on the scraper connecting beam (14), and the scraper plate (20) is arranged beside each scraper blade (22); each connecting plate (18) is detachably fixed on the rotating beam (13) through two U-shaped clamps (19); the section of the square shaft (24) is square, and the square shaft (24) is rotatably connected to the vertical beam through a bearing; the cam bearing follower (23) is a bearing, the inner ring of the bearing is fixed on the cam bearing seat plate (25), and the outer ring of the bearing is arranged on the upper surface of the rotary latch plate (15) in a rolling manner; the plurality of adjusting holes (16) are arranged at equal intervals along an arc curve, and the curvature center of the arc curve is coaxial with the rotation center of the rotating beam (13).

9. A modular land cultivator according to claim 8, further comprising a first lug (9), a second lug (10), a spring pull rod (26), a first spring (27), a guide sleeve (28) and a second spring (29); draw-beam frame (2) is triangle-shaped frame construction, first hangers (9) are fixed the rear end middle part of draw-beam frame (2), second hangers (10) are fixed the middle part of front beam (3), uide bushing (28) articulate on second hangers (10), the one end of spring pull rod (26) articulates on first hangers (9), the other end of spring pull rod (26) is worn out uide bushing (28), first spring (27) with second spring (29) are all established on spring pull rod (26), first spring (27) are located first hangers (9) with between uide bushing (28), second spring (29) are located uide bushing (28) deviate from one side of first hangers (9).

10. A modular land cultivator according to claim 9, wherein the walking wheel assembly (8) comprises a third lug (30), a fourth lug (31), a walking hydraulic cylinder (6), a walking wheel shaft (32), a swing arm (33), a walking mounting plate (34), a tyre (35) and a limit stop (36); the third hanging lug (30) is fixed between the two first main beams (11), the two second main beams (12) are respectively fixed with one walking mounting plate (34), two ends of the walking wheel shaft (32) are respectively and correspondingly connected to the two walking mounting plates (34) in a rotating mode, the fourth hanging lug (31) is fixed in the middle of the walking wheel shaft (32), a cylinder body of the walking hydraulic cylinder (6) is hinged into the third hanging lug (30), and a telescopic end of the walking hydraulic cylinder (6) is hinged into the fourth hanging lug (31); the outer side wall of the walking wheel shaft (32) is downwards inclined and fixed with two swing arms (33), the two swing arms (33) are symmetrically arranged relative to the fourth hanging lug (31), and the lower end of each swing arm (33) is rotatably connected with a tire (35); the position of the walking wheel shaft (32) on two sides of the fourth hanging lug (31) is provided with the limit baffle (36).