Combination ploughing and seeding drill with guttering device
The utility model is about agricultural machinery, particularly about the combined machine of whole ground parts with the combination of sowing parts.
The tillage method that winter is sowed barley, wheat and highland barley employing in the area, Shanghai is that shallow winter breaking, trench digging are built furrow and three operations of furrow upper seeding wheel.Shallow winter breaking is finished with rotovator.Trench digging builds that furrow use is to be made the disc type ditching machine of main workpiece or made the vertical milling formula ditching machine of main workpiece by the cutterhead that horizontally rotates by the cutterhead of vertical rotation.The sower of general roller feed is then adopted in sowing.Therefore, tractor will articulate different agricultural machinery and carry out different operations in the field three times, just can finish the wheat task of broadcasting.Owing to increased the number of times of machine, the destruction of soil structure increased the weight of in the field walking.Secondly, owing to be subjected to the restriction of sower working width and operating rate, the power of tractor can not make full use of.At last, prolonged the time of broadcasting wheat, often missed easily best farming season.
The purpose of this utility model is to provide a kind of power that can make full use of tractor, once just can finish shallow winter breaking simultaneously, ditch and build the cultivator-planting combine of furrow and sowing.
The purpose of this utility model be achieved in that a kind ofly comprise rotovator, trench digging cutterhead, throw the mud plate, ditch cleaning plough, bottom be provided with the Seeding box of series of grooves Type Seed Metering Device and the cultivator-planting combine of grain tube, it is characterized in that:
(1) two Seeding box is separately positioned on the top of the left and right girder of rotovator, and the spacing distance of two Seeding boxs adapts with the trench digging width, and the seeding unit axle of two Seeding boxs connects with pipe between the band pin;
(2) side driving box of rotovator is provided with speed-changing gear box, is provided with sprocket wheel on speed-changing gear box output axle head and the Seeding box seeding unit axle head, and two above-mentioned sprocket wheels are provided with chain;
(3) the trench digging cutterhead is arranged on the middle part of rotary tiller shaft, and the rotary blade on the cutter shaft is divided into left and right two groups;
(4) throw the mud plate and be positioned at trench digging cutterhead top, the ditch cleaning plough is positioned at trench digging cutterhead rear.
(5) be provided with and comprise and the side driving box of rotovator and the fixed mount that is connected two bogie side frame crossbeams that former connects respectively.
Below in conjunction with accompanying drawing the utility model is explained in detail.
Fig. 1 is a kind of suspended structure side schematic view of the present utility model.
Fig. 2 is the rearview of structure shown in Figure 1.
Fig. 3 is a kind of fixed form of the utility model Seeding box.
Fig. 4 is the running gear schematic diagram of half suspended structure of the present utility model.
A kind of suspended structure signal of the present utility model as depicted in figs. 1 and 2.The trifilar suspension frame 22 that is used for linking to each other with the suspension of tractor comprises hound 1, two masts 21 and two underarms 19.One end of hound 1 is connected with angular wheel transmission case 20, and an end of two underarms 19 is connected with left girder 29 with right girder 23 respectively.Angular wheel transmission case 20 comprises the angular wheel of 90 ° of angles of cut of a pair of axis.The input shaft end of angular wheel transmission case 20 is connected with cross joint power transmission shaft 17.The both sides of angular wheel transmission case 20 are connected with an end of right girder 23 and left girder 29 respectively.The other end of right girder 23 is connecting side driving box 15, and the other end of left girder 29 is then connecting connection former 27.Side driving box 15 includes driving and driven gear and several mesomerism gears; Perhaps comprise driving and driven sprocket wheel and chain.The two ends of power transmission shaft that are arranged in right girder 23 inside of hollow are connected with the driven angular wheel of angular wheel transmission case 20 and the driving tooth/sprocket wheel of side driving box 15 with key or spline respectively.Cutter shaft 28 1 ends are connected with driven tooth/sprocket wheel in the side driving box 15, the other end then be connected former 27 on bearing block connect.Fixing rotary blade 12 on the tool rest of arranging in the shape of a spiral on the cutter shaft 28.Form common rotovator by above-mentioned trifilar suspension frame 22, cross joint power transmission shaft 17, angular wheel transmission case 20, right girder 23, left girder 29, side driving box 15, connection former 27, cutter shaft 28, rotary blade 12.Comprise fixed mount that two bogie side frames 7, Liang Gen And row are arranged in right girder 23 and the entablature 24 of left girder 29 tops and the rear cross beam 25 that is positioned at the back lower place with its side frames 7 respectively with side driving box 15 with is connected former 27 connections.Two Seeding boxs 26 and 30 are fixed on the top that two entablatures, 24 Shang , And lay respectively at right girder 23 and left girder 29.Each Seeding box comprises seed-box 2 and is positioned at the several trough Type Seed Metering Device 3 of seed-box 2 belows.Seeding unit is hung with grain tube 18 by a through-drive under each seeding unit.The spacing distance between the Seeding box 26 and 30 and the width of trench digging adapt.The seeding unit axle of two Seeding boxs connects with pipe between a band pin, and side driving box 15 is provided with speed-changing gear box 5.Input tooth/the sprocket wheel of speed-changing gear box 5 is normal engagement at the gear or the chain of box house and side driving box 15.Speed-changing gear box 5 stretches out on the outer output axle head of casing and on the seeding unit axle head of Seeding box 26 1 ends and is respectively arranged with sprocket wheel.On above-mentioned two sprocket wheels chain 4 is set.The trench digging disk comprises cutterhead 13 and is distributed on the cutter tooth 14 at cutterhead 13 edges.The mid portion Shang , And that the trench digging disk is fixedly installed on cutter shaft 28 is divided into left and right two groups with the rotary blade on the cutter shaft 28 12.The turning radius of cutter tooth 14 is greater than the turning radius of rotary blade 12.The top of trench digging disk is provided with the throwing soil plate 6 of digging to both sides furrow face.The rear of trench digging disk is provided with the ditch cleaning plough that comprises plow stick 8, mouldboard kicker 9 and colter 11.During work, trifilar suspension frame 22 is connected with the hydraulic lift hitch of tractor, and the other end of cross joint power transmission shaft 17 is connected with tractor motive power output shaft.Along with advancing forward of tractor, the trench digging disk is left a zanjon, Seeding box is sprinkling upon wheat seeds on the field of ditch both sides through grain tube, rotary blade is with the table of ditch both sides soil and stubble shreds And and wheat seeds mix and stir, make wheat seeds cover one deck thin soil, formed two half furrow faces of wheat seeds that have been positioned at broadcasting of ditch both sides, the ditch cleaning plough then with the surface dust in the ditch clearly to the furrow face.The adjustment of seeding quantity realizes by the size of the meshing gear of change speed-changing gear box 5 or the active length of change sheave.Tractor adopts comb shape walking method, and then during the every round trip of machine, two half adjacent furrow faces form whole furrow faces.Support 16 before trifilar suspension frame 22 is provided with, the both sides of rear cross beam 25 are provided with the back and support 10.During work, support behind preceding support 16 and two 10 can on carry, do not hinder machine works.When the utility model is not worked and no longer is connected with the tractor suspension, cross is saved power transmission shaft and tractor motive power output shaft disengagement, support 10 after supporting 16 and two before putting down, they are contacted with ground, thereby make the utility model be in stable laying state.
Rear cross beam 25 also is provided with curtain, is splashed everywhere by the earth that rotary blade 12 is dished out preventing.
The utility model also can be realized like this: Seeding box 26 and 30 is separately positioned on several triangle fixed mount 36(that comprise semicircle clip 31 that are connected with left girder 29 with right girder 23 and sees Fig. 3) on.Rear cross beam 25 bogie side frame by both sides is respectively with side driving box 15 be connected former 27 connections.Other rotovator, gear reduction box 5, throw native plate 6, ditch cleaning plough, preceding support 16 and back and support 10 setting, Seeding box 26 and 30 interval location, the transmissions of seeding unit etc. are all as described above.
The utility model can also be realized like this: left and right symmetrically is provided with two road wheel mechanism (see figure 4)s on the rear cross beam 25.It comprises that an end and rear cross beam are 25 fixing, the housing of the other end and hydraulic cylinder 33 is hinged decides that bar 32, one ends and rear cross beam are 25 hinged, the hinged swing arm 34 of piston rod of middle part and hydraulic cylinder 33, hydraulic cylinder 33 and be positioned at the road wheel 35 of swing arm 34 other ends.Hydraulic cylinder 33 links to each other with the hydraulic pressure out splice going splice of tractor with pipeline by hydraulic hose.And remaining, all as above-mentioned.During work, the piston rod of hydraulic cylinder 33 moves in housing, thereby drives swing arm 34 according to doing anticlockwise rotation shown in the arrow, and road wheel 35 disengages with soil.When not working, hydraulic cylinder 33 is extrapolated with piston rod, makes the rotation of swing arm 34 clockwises, and road wheel is pressed to ground, thereby with rotary blade and trench digging disk and ground disengaging.At this moment, whole weight of the present utility model is born jointly by the suspension and the road wheel of tractor, thereby has alleviated the load of tractor suspension, and its life-span is prolonged.And can increase working width, the utility model and powerful tractor are used.
The utlity model has following advantage: 1. finish simultaneously shallow winter breaking, trench digging is built furrow, broadcasted sowing the wheat seeds three process. The saving of labor, save time. 3. reduce the destruction of soil texture. 4. take full advantage of the power of tractor, reduce fuel consumption. 5. can guarantee that seeding operation finishes in good time. 6. use half hang, greatly alleviate the load of Characteristics of Tractor Hydraulic Suspension System, prolong its life-span.