Summary of the invention
The object of this technology is to provide that a kind of structure is simple, transmission efficiency is high, can make to cut machine of the swinging to side of rear shrub order, stacks neat, is convenient to the flat stubble machine that shrub is collected.
The flat stubble machine of this technology, comprises frame, the cutter sweep be arranged in frame; Described cutter sweep comprises two cutterheads rotated under the drive of cutting propelling plant, and two cutterheads are positioned at the frame front left and right sides, stagger up and down and stack setting, and frame is also provided with gathering device, conveying plant; Gathering device comprise two rotation directions contrary scrape cylinder, scrape cylinder for two and lay respectively at above two cutterheads, scrape on cylinder and there is scraping teeth, two scrape bottom between cylinder be two cutterheads stack portion; Frame is provided with transfer passage, and the entrance of transfer passage communicates with two spaces of scraping between cylinder, and the outlet of transfer passage is positioned at the side of frame; Conveying plant comprises the chain be wound on the sprocket wheel of rotation, and be disposed on chain, for driving the shrub that cuts off along the driving lever of transfer passage movement; Driving lever extend in transfer passage; Scrape cylinder for two to rotate, scraping teeth is sent into the shrub that cutterhead cuts off in transfer passage, and the side of frame delivered to the shrub cut off entered in transfer passage by conveying plant along transfer passage; Cutting propelling plant comprises Cylinder Gear roller box and two bevel gear boxes, bevel gear box have upwards extend and with scrape that cylinder is connected scrape an axle, to downward-extension and the power transmission shaft extending into driving shaft in Cylinder Gear roller box, extend to side; The power transmission shaft of one of them bevel gear box is connected with the output shaft of motive power outputting apparatus; Cylinder Gear roller box also has two cutter axis be connected with cutterhead, multiple driven shaft; Cutter axis gear on each cutter axis engages with the driving shaft gear being positioned at Cylinder Gear roller box on a driving shaft; By the driven shaft gear engagement on multiple driven shaft between two driving shaft gears.
The beneficial effect of this technology: after shrub is cut off by cutterhead, the entrance of transfer passage is entered under being driven by the scraping teeth scraped on cylinder rotated, afterwards under the effect of conveying plant, driving lever is delivered to frame side shrub, under the driving of shrub at driving lever and the Action of Gravity Field at self, the side of guiding frame, neat heap is put well, is convenient to collect.The structure such as this conveying plant, gathering device is simple, reliable in action, and reliably can realize object shrub being deposited in frame side.Adopt motive power outputting apparatus to be directly connected with gear-box, reduce power attenuation, greatly enhance operating efficiency.A motive power outputting apparatus is with movable knife disc simultaneously and is scraped cylinder and rotates, and simplify structure, compact, transmission efficiency is high.Be connected to the bevel gear box scraped on an axle and can change rotation direction, can practical requirement.
Above-mentioned flat stubble machine, is connected with driving pulley on the top of scraping an axle, is arranged on sprocket shaft with the passive belt wheel of driving pulley by V belt translation.Like this, scrape an axle just can by V belt translation transmission of power to conveying plant, drive sprocket shaft rotate, thus drive chain movement.Best, chain is wound on drive sprocket and by movable sprocket, passive belt wheel is arranged on drive sprocket axle.
Above-mentioned flat stubble machine, the power transmission shaft of a bevel gear box is connected with the output shaft of motive power outputting apparatus by Hooks coupling universal coupling.Motive power outputting apparatus and bevel gear box adopt Hooks coupling universal coupling to be connected, and ensure the stationarity of transmittance process.
Above-mentioned flat stubble machine, described chain is upper and lower two identical chains; Described driving lever comprises the upper driving lever be arranged on chain and the lower driving lever be arranged on lower chain; Upper driving lever exceeds lower driving lever on the moving direction of chain, forms upper end than the heeling condition of lower end closer to frame side to make the shrub be transferred.Adopt such structure, make the shrub that is transferred in transfer passage inclined, deflection frame side, shrub upper end, like this, shrub from transfer passage exit out time, shrub, under the promotion of driving lever and the effect of gravity own, easilier to lodge outside frame, and the uniformity that shrub is arranged is better.
Above-mentioned flat stubble machine, driving lever extend in transfer passage through transfer passage one sidewall, and the head of driving lever is also near another sidewall of transfer passage; Arrange pressing plate at the inner side place of another sidewall of transfer passage, pressing plate is fixed near the one end of scraping cylinder, between pressing plate and another sidewall of transfer passage, arrange spring.Like this, driving lever can drive the shrub entering transfer passage all to move along transfer passage, anti-leak-stopping material.How many pressing plates can realize according to the shrub amount entered swinging under the action of the spring, and ensure that pressing plate applies certain thrust to shrub all the time, makes shrub to enter between driving lever reliably.
Above-mentioned flat stubble machine, frame front is each side provided with contour wheel.Contour wheel close proximity to ground in advance process, makes cutterhead can change with the change of landing ground, can guarantee saw blade terrain clearance, ensures height to be cut, and this profiling mode effectively can solve shrub such as caragana microphylla and cut the problem that stubble is close to earth's surface.There is certain distance on the shrub surface of cutterhead and cut-out all the time, thus avoids causing squeeze and destroy to shrub section, damages the growing point of shrub.
Above-mentioned flat stubble machine, it also comprises hanging device, and hanging device comprises the hinged cant beam of hitching frame, upper end and hitching frame, is provided with the lifting device driving cant beam to swing relative to hitching frame between hitching frame and cant beam; The rear end of frame and the lower end of cant beam are hinged; Cant beam is fixed be positioned at below frame, for limiting the spacing beam of frame relative to cant beam maximum rotation angle.Adopt lifting device (as hydraulic cylinder) cant beam can be driven to move up and down, make flat stubble machine operationally, contour wheel all the time can with earth surface.Spacing beam also limits lower bearing bracket around the maximum angle of cant beam to lower swing simultaneously, prevents the downward pendulum angle of frame excessive, and causes damage to cutterhead.
Above-mentioned flat stubble machine, it also comprises guide channel, guide channel comprise arrange in frame two relative to the guide plate of one-tenth "eight" shape, the distance between the front end of two guide plates is larger than rear end; The front end of two guide plates stretches out all forward and exceedes the periphery of cutterhead; The rear end of two guide plates connects with the entrance of transfer passage; Scrape the both sides, rear end that cylinder is positioned at two guide plates for two, scraping teeth extend in guide channel through the groove opened on guide plate.Guide plate all plays guide effect to the not cut shrub in frame front and cut shrub, make them be imported into the portion that stacks of two cutterheads and two scrape between cylinder, be convenient to cutterhead to the cutting of shrub with to the collection cutting off shrub afterwards.
Above-mentioned flat stubble machine, cutterhead comprises annulus saw blade and the middle part trapezoidal dish higher than outer ring, and annulus saw blade adopts sunk screw to be fixed on the lower surface of trapezoidal dish outer ring, and sunk screw does not expose the lower surface of annulus saw blade; The upper end, middle part of trapezoidal dish is connected transferring power with cutter axis by key, and is bolted the axle head at cutter axis, does not expose the lower surface of annulus saw blade below the middle part that described bolt is positioned at trapezoidal dish.This cutterhead is a kind of Combined sawblade, only has the annulus saw blade of peripheral annular part for cutting, the bulk deformation produced when can alleviate sawing, improves service life, both made sawtooth tooth depth be that 5mm still can ensure its intensity, and also can not damage.Meanwhile, tooth depth is the sawtooth sheet of 5mm, and during cutting shrub, very little to the otch damage of shrub, shrub cuts off surface flat smooth more.In addition, sunk screw and bolt do not expose the lower surface of annulus saw blade; Saw blade is when carrying out stump, in traveling process, shrub section maintains certain distance with combined saw blade bottom surface all the time, thus avoid causing unnecessary friction and extruding to section, shrub is made to cut off surfacing smooth, hair stubble is few, add the next year germination rate of root, be applicable to the plane monitor method of all kinds of shrub.
Embodiment
Below in conjunction with embodiment and accompanying drawing, this technology is described in detail.
Embodiment 1: all-hydraulic transmission flat stubble machine
In accompanying drawing 1-9,1, cutter sweep, 2, gathering device, 3, pressing plate, 4, conveying plant, 5, hanging device, 6, contour wheel, 7, frame, 501, hitching frame, 502, limiting plate, 8, crossbeam, 9, hinge, 10, hydraulic cylinder, 11, cant beam, 12, angle iron frame, 13, nylon driving lever, 131, upper driving lever, 132, lower driving lever, 14, main chain wheel bearing II, 15, rolling bearing, 16, head sprocket sleeve, 17, key, 18, holding screw, 19, small pulley, 20, main chain wheel bearing I, 21, rolling bearing, 22, head sprocket, 23, pin, 24, drive sprocket axle, 25, chain, 251, upper chain, 252, lower chain, 26, spring shim, 27, small raft, 28, fractional motor sleeve I, 29, delivery hydraulic pressure motor, 30, connecting bolt, 31, large belt wheel, 32, connecting bolt, 33, follower shaft bearing I, 34, driven shaft, 35, driven sprocket, 36, pressing plate fixed block, 37, guide plate, 38, large hydraulic motor, 39, scrape cylinder, 391, scraping teeth, 40, small raft, 41, fractional motor sleeve II, 42, fractional motor supporting base, 43, connecting bolt, 44, little hydraulic motor, 45, connecting bolt, 46, connecting bolt, 47, large motor sleeve, 48, key, 49, cutterhead, 50, connecting bolt, 51, spring shim, 52, pad, 53, switch base plate.60, guide channel, 61, guide plate, 62, groove, 70, transfer passage, 71, base plate.
Cutter sweep 1 comprises two cutterheads rotated under the drive of large hydraulic motor 38,49, two cutterheads and is positioned at the frame front left and right sides, high infraversion malposition between two cutterheads and stack setting.
See Figure 10-12, cutterhead 49 comprises annulus saw blade 491 and the trapezoidal dish 492 of middle part higher than outer ring, and the periphery of annulus saw blade offers tiny sawtooth.Annulus saw blade offers the circumferentially equally distributed inclined hole with tapering.Annulus saw blade adopts sunk screw 493 to be fixed on trapezoidal dish 492 by nut and pad, and the inclined hole tapering on annulus saw blade is equal with sunk screw head angle, and sunk screw head can embed the lower surface of not exposing annulus saw blade in inclined hole.Trapezoidal dish lower end is provided with the outstanding locating ring 494 for locating annulus saw blade, and the periphery of locating ring contacts with the endoporus of annulus saw blade, and locating ring height is less than the thickness of saw blade, has the through hole 495 having keyway in the middle part of the bossing of trapezoidal dish upper end.
Large motor sleeve 47 is sleeved on the axle of large hydraulic motor 38, the axle of large hydraulic motor 38 arranges key 48 and extend in through hole 495; In the middle part of the bossing of trapezoidal dish 492 upper end, below is switch base plate 53, pad 52, spring shim 51 successively, connecting bolt 50 is fixed on the shaft end of the axle of large hydraulic motor 38 by trapezoidal dishes 492 such as switch base plate 53, pad 52, spring shims 51, and trapezoidal dish 492 upper end bossing is contacted with large motor sleeve 47.Cutterhead 49 is linked together by large motor sleeve 47, key 48, connecting bolt 50, spring shim 51, pad 52, switch base plate 53 with the axle of large hydraulic motor 38.Upwardly, connecting bolt 50, spring shim 51, pad 52, switch base plate 53 etc. are all positioned at the bottom of cutterhead to the central part of cutterhead 49, and can not give prominence to the lower surface of cutterhead.
Gathering device 2 comprise two rotation directions contrary scrape cylinder 39, scrape cylinder for two and lay respectively at above two cutterheads, scrape cylinder and the large hydraulic motor of its inside and the cutterhead of bottom coaxial.
Scraping cylinder 39 is enclosed within large hydraulic motor 38, provides power by little hydraulic motor 44.Scrape cylinder is welded with little rectangular block and scraping teeth 391, two scrape bottom between cylinder be two cutterheads stack portion.
Little hydraulic motor 44 is fixed on fractional motor supporting base 42 by connecting bolt 43, and fractional motor supporting base 42 is fixed in frame by connecting bolt 45.Little hydraulic motor 44 is by fractional motor sleeve II 41, small raft 40, connecting bolt 46 and scrape cylinder 39 and be connected.
Guide channel 60 comprise arrange in frame two relative to one-tenth "eight" shape guide plate 61, two guide plates front end between distance larger than rear end; The front end of two guide plates stretches out all forward and exceedes the periphery of cutterhead.The rear end of two guide plates connects with the front end of guide plate 37; Scrape the both sides, rear end that cylinder is positioned at two guide plates 61 for two, scraping teeth extend in guide channel through the groove 62 opened on guide plate.
Transfer passage 70 forms primarily of guide plate 37, the base plate 71 be positioned at below guide plate 37.Guide plate 37 is fixed by angle iron frame 12.Pressing plate 3 is installed in guide plate, pressing plate 3 with weld two springs between guide plate, pressing plate 3 front end is connected in frame with bolt by pressing plate fixed block 36.
During work, two cutterheads 49 of High Rotation Speed are sawed-off by shrub, and the guide plate of sawed-off shrub through tilting under inertia force effect moves backward, feed in transfer passage, contact with pressing plate 3 scraping under cylinder 39 drives of gathering device 2.Pressing plate 3 provides elastic force by two springs, can carry out elasticity extruding to shrub.
In chain wheel conveyor structure, drive sprocket axle 24 two ends the main chain wheel bearing I 20 of built-in rolling bearing 21 and the main chain wheel bearing II 14 of built-in rolling bearing 15 are bolted with frame 7, head sprocket 22 is connected with drive sprocket axle 24 by pin 23, and driven sprocket 35 is connected with driven shaft 34 by snap ring.Head sprocket 22 is connected by chain 25 with driven sprocket 35, chain 25 is provided with nylon driving lever 13.Nylon driving lever extend in transfer passage from transfer passage side, and the head of driving lever is near another sidewall of transfer passage and guide plate 37.Drive sprocket axle 24 is connected by Timing Belt with delivery hydraulic pressure motor 29, small pulley 19 and head sprocket sleeve 16 adopt key 17 and holding screw 18 to be enclosed within drive sprocket axle 24, and large belt wheel 31 is connected by connecting bolt 30, spring shim 26, small raft 27 with delivery hydraulic pressure motor 29.
Chain 25 comprises two identical upper chains 251, lower chains 252; Described driving lever comprises the upper driving lever 131 be arranged on chain and the lower driving lever 132 be arranged on lower chain; Upper driving lever exceeds lower driving lever on the moving direction of chain, forms upper end than the heeling condition of lower end closer to frame side to make the shrub be transferred.The base plate 71 in the exit of the transfer passage of the side of frame, outwards downward-sloping.Chain wheel conveyor structure provides power by delivery hydraulic pressure motor 29, and along with the rotation of sprocket wheel, nylon driving lever 13 will cut off shrub and derive, and swing under gravity outside unit, neat heap is put well.
Hanging device 5 comprises the hinged cant beam of hitching frame 501, upper end and hitching frame 11, is provided with the hydraulic cylinder 10 driving cant beam to swing relative to hitching frame between hitching frame and cant beam; Crossbeam 8 is hinged with the lower end of cant beam; Cant beam lower end be fixed be positioned at below crossbeam, for limiting the spacing beam 502 of crossbeam relative to cant beam maximum rotation angle.Fixed frame 7 on crossbeam 8, hitching frame 501 can be suspended on walking machine, is elevated and drives cant beam 11 to realize swinging up and down, can change the distance on contour wheel 6 and ground by hydraulic cylinder 10.Crossbeam 8 and cant beam 11 are connected through the hinge, free to rotate, but limited location beam 502 limits the turned position of crossbeam relative to cant beam.
During specific works, stump equipment adopts double-arc spline swinging cutting mode, it utilizes large hydraulic motor 47 as Power output, the cutterhead 49 of two High Rotation Speeds is driven to cut shrub, the shrub of cutting off can by the transfer passage scraped on cylinder 39 importing equipment, by nylon driving lever 13 that the chain 25 of conveying plant 4 installs additional, shrub is pushed to the outside of machine, neat bunch is good, is convenient to later collection.Contour wheel 6 is arranged on cutterhead both sides, contour wheel 6 close proximity to ground in advance process, as shown in Figure 7, cutterhead can be changed with the change of landing ground, can guarantee that saw blade ground clearance is certain, ensure height to be cut, this profiling mode effectively can solve shrub such as caragana microphylla and cut the problem that stubble is close to earth's surface.All the time certain distance is had with the shrub surface cut off bottom cutterhead, thus avoid causing squeeze and destroy to section, damage the growing point of shrub, decrease the friction of saw blade and shrub section simultaneously, it is made to cut off surfacing smooth, hair stubble is few, does not burn phenomenon, adds the next year germination rate of root.
Embodiment 1 whole system adopts hydraulic drive, compact conformation, lightweight, during the machine work, rotated by hydraulic cylinder lifting, make contour wheel kiss the earth, contour wheel can rotate around the hinge place of cant beam and crossbeam, wheel close proximity to ground in advance process, cutterhead can be changed with the change of landing ground, can guarantee saw blade terrain clearance, ensure height to be cut, this profiling mode effectively can solve shrub such as caragana microphylla and cut the problem that stubble is close to earth's surface.There is certain distance on the cutterhead of cutter sweep and the shrub surface of cut-out all the time, thus avoid causing squeeze and destroy to section, damage the growing point of shrub, decrease the friction of saw blade and shrub section simultaneously, it is made to cut off surfacing smooth, hair stubble is few, does not burn phenomenon, adds the next year germination rate of root.The guide conveying appliance two rows chain installed in this equipment rack is equipped with nylon driving lever at a certain distance, the shrub entered is exported along with the rotation of sprocket wheel, sequentially under gravity swing to outside unit, neat heap is put well.It has lightweight, and cost is low, easy for installation, and stump efficiency is high, and it is convenient to collect, good reliability, the advantages such as profiling is effective.
Embodiment 2: gear drive flat stubble machine
Figure 13, in 14, 1, bevel gear box I, 2, driven shaft, 3, driving shaft II, 4, cutter axis, 5, cutterhead, 6, bevel gear box II, 7, scrape an axle II, 8, scrape cylinder II, 9, passive belt wheel, 10, driving pulley, 11, scrape cylinder I, 12, scrape an axle I, 13, driving shaft I, 14, Hooks coupling universal coupling, 15, motive power outputting apparatus, 16, cutter axis gear, 17, conveying plant, 18, drive sprocket axle, 19, drive sprocket, 20, by movable sprocket, 21, chain, 22, driving lever, 23, passive sprocket shaft, 24, driving shaft gear, 25, driven shaft gear.
See Figure 13,14(and with reference to figure 1-12), the power transmission shaft on bevel gear box I 1 is connected with motive power outputting apparatus 15 by Hooks coupling universal coupling 14.
Scraping cylinder I 11 to be connected with bevel gear box I 1 by scraping an axle I 12, scraping cylinder II 8 and being connected with bevel gear box II 6 by scraping an axle II 7.
Cylinder Gear roller box is connected by driving shaft I 13 with bevel gear box I 1, and Cylinder Gear roller box is connected with bevel gear box II 6 by driving shaft II 3.
Cylinder Gear roller box has two cutter axis, 4, two driven shafts 2; Two cutter axis gears engage with the driving shaft gear 24 on driving shaft I, II respectively; Engaged by the driven shaft gear 25 on two driven shafts between two driving shaft gears.
Bevel gear box II 6 top connects scrapes an axle II 7, scrapes cylinder II 8 and driving pulley 10 scraping an axle II 7 is provided with.Driving pulley 10 and passive belt wheel 9 form belt wheel transmission mechanism, and both are connected by belt.
Passive belt wheel 9 is arranged on the drive sprocket axle 18 of conveying plant 17.Conveying plant comprises and is wound on drive sprocket 19 and by the chain 21 on movable sprocket 20, and is disposed on the driving lever 22 on chain.Drive sprocket is arranged on drive sprocket axle, is arranged on passive sprocket shaft 23 by movable sprocket 20.
Passive belt wheel 9 is connected with conveying plant 17 by drive sprocket axle, realizes the stepped transmission of power, ensures that various operating mode can reliably working.
In embodiment 2, band movable knife disc, scrape cylinder, chain transmission mechanism different from embodiment, other content is substantially the same manner as Example 1.Embodiment 2 adopts motive power outputting apparatus to be directly connected with gear-box, reduces power attenuation, greatly enhances operating efficiency.A motive power outputting apparatus is with movable knife disc simultaneously and is scraped cylinder and rotates and chain movement, and simplify structure, compact, transmission efficiency is high.Be connected to the bevel gear box scraped on an axle and can change rotation direction, can practical requirement.