CN2777940Y - Self-walking harvester for hay - Google Patents

Abstract

The utility model relates to a self walking pasture grass harvester, which is composed of a grass dividing mechanism, a grass collecting mechanism, a cutting mechanism, a profile modeling grass conveying mechanism, a mechanism for bundling grass into strips, a walking mechanism, a speed change mechanism, etc. A fixed knife which is hooked inversely is arranged under a regulating arm. An eccentric auxiliary disk is connected to the front end of a left regulating arm. The outer circumference of the eccentric auxiliary disk is provided with a rotary movable knife. The upper end of the regulating arm is fixed with a core shaft. The right end of the core shaft is connected with a movable knife disk, and the left end is connected with a plum blossom disk. A planet shaft crosses between the movable knife disk and the plum blossom disk. The left end of the planet shaft is connected with a crank arm shaft. A fixed knife is arranged between two grass dividers on the front lower end of the machine frame. A movable knife is arranged above the fixed knife, and a knife clipping device is arranged above the movable knife. The movable knife on one side of the machine frame is provided with a swing ring. An upper roller and a lower roller are vertically arranged above the middle part of the machine frame. The lower roller is connected with the upper roller through a chain connected with a group of sprocket gears. Both sides of a grass feeding plate are respectively provided with a fan-shaped plate. A curved surface plate is arranged above the rear end of the upper roller. The utility model can complete work such as grass division, grass collection, cutting, process for profile modeling pressing and conveying grass, process for bundling grass into strips, etc.

Description

Self-propelled grass harvester

Technical field

The utility model relates to grass harvester tool field, particularly a kind of self-propelled grass harvester.

Background technology

At present, domestic existing more close grass harvester, facility and four-wheel tractor use, and its structure has included hay rake structure, cutting mechanism, profiling force feed grass mechanism, Sokcho mechanism etc.These four planet axis one ends hugging straw articles of hugging grass harvester drive the rotation of rolling of four connecting lever axles in a peach type rail groove, realize the rotation of each root planet axis, this structure is prone to the axial float of connecting lever axle, and the connecting lever axle is de-orbited, and it is unreliable to work.In addition, the reciprocating motion of these cutter moving knife is by the distortion push-and-pull moving knife bar of the spring flat steel of riveting on the moving knife bar, and spring flat steel is driven by swing arm.Constant in order to guarantee the gap between stationary knife and the moving knife, the long more deflection of spring flat steel is more little, angle between moving knife bar and the swing arm is also just more little, and spring flat steel can not fracture because of tired yet, and the gap between moving knife and the stationary knife changes also just more little, but spring flat steel is long more, the just easy more grass retaining that will slice off is in the spring flat steel front, because congested, the grass of back is difficult for entering cutter, easily produce to leak and cut or grass is broken, make that to cut stubble uneven.Its imitative type force feed grass is to the less grass that easily twines of roller diameter, and the profiling top roll does not have grass guard, and grass easily returns with roller strap, is wrapped on the roller.Horn mouth formula Sokcho mechanism promotes in a flash at facility, and when power did not also all disconnect, back horn mouth lower end was easily played straw cord and is wrapped on the pair roller, and functional reliability is poor, haves much room for improvement.

Summary of the invention

The utility model aims to provide a kind of planet axis and drives bracket panel by the connecting lever axle, change the rotation of planet axis self, reliable operation, the gap changes for a short time between cutting moving knife and the stationary knife, is difficult for gathering around grass, straw winding in the cutting process, high efficiency, the facility maneuverability, radius of turn is little, adaptable self-propelled grass harvester.

The technical scheme that realizes the utility model purpose is such: a kind of self-propelled grass harvester, comprise the careless mechanism of branch, hay rake structure, cutting mechanism, profiling grass transmitting machine structure, grass binding strip mechanism, running gear, gear, the careless mechanism of described branch is provided with two groups of prismatic grass dividers in the frame front lower place, above frame front end grass divider, establish left and right regulating arm, a barb stationary knife is respectively established in the regulating arm below, above-mentioned left regulating arm front end connects an eccentric bracket panel, on the eccentric bracket panel periphery rotation moving knife is housed, adorns a movable knife disc on the right regulating arm; Described hay rake structure is to fix a mandrel in left and right regulating arm upper end, and the mandrel right-hand member is connected with movable knife disc, and left end is connected with the plum blossom dish, and plum blossom is coiled in the inboard of eccentric bracket panel, is installed with planet axis between movable knife disc and plum blossom dish, and the planet axis left end connects a connecting lever axle; Described cutting mechanism is to adorn a stationary knife between two grass dividers in the preceding lower end of frame, and a moving knife is established in the stationary knife top, and moving knife is fixed on the knife bar, pressuring blade device is equipped with in the moving knife top, the pendulum ring is housed above frame one side moving knife, and the pendulum ring drives swing arm by balance staff, and the swing arm lower end is connected with bearing; Described profiling grass transmitting machine structure is that top roll and lower roll vertically are housed above the central rack stationary knife, one group of slide block is respectively adorned at the top roll two ends, a baffle plate is respectively established at the slide block two ends, upper end of slide block is equipped with holddown spring, lower roll connects one group of sprocket wheel by chain, sprocket wheel one side and gear link, and are connected with top roll by chain again, establish careless plate at lower roll and the tangent place of stationary knife; Described grass binding strip mechanism respectively adorns a fanning strip in last careless plate both sides, is provided with symmetrical fanning strip in the rear end of top roll and lower roll, adorns a curved slab above the top roll rear end.

The utility model compared with prior art, divide grass thoroughly, when harvesting artificial planting herbage, native grass, the facility straw winding, it is little that careless resistance is hugged in layering, and cuttting cleaning rate height, cuttting cleaning rate reach more than 97%, can gather in the herbage of various natural, artificial plantings, also can gather in the herbage in the woods grass double as tree row.Have the complete machine reliable operation, safety factor is more than 95%, novel structure, easy to operate, and characteristics such as adaptability is strong are specially adapted to patch, the hillside fields operation, climbing capacity is strong, radius of turn 80cm; Disorderly, slivering is not laid in the field to the grass that is cut, and is convenient to mechanical bundling, is a kind of desirable small-sized grass harvester tool.

Description of drawings

Below in conjunction with accompanying drawing the course of work of the present utility model is described in detail:

Accompanying drawing 1 is the utility model structural representation

Accompanying drawing 2 is the utility model vertical view

Accompanying drawing 3 is for hugging grass and cutting mechanism schematic diagram

Accompanying drawing 4 is for dividing careless structural scheme of mechanism

Accompanying drawing 5 is the grass binding strip structural scheme of mechanism

Accompanying drawing 6 is profiling weed breaker structure schematic diagram

Accompanying drawing 7U type pusher front view

Accompanying drawing 8 is pendulum ring schematic diagram

Embodiment

The utility model is made up of frame, transmission mechanism, the careless mechanism of branch, hay rake structure, force feed grass pair roller mechanism, grass binding strip mechanism, running gear, gear seven parts.Dividing careless mechanism is the barb stationary knife 15 of regulating arm 31 belows by the two groups of prismatic grass dividers 7 that are fixed on frame 16 front lower places and before being fixed on frame 16 and the right cutterhead 37 that is fixed on the planet axis two ends, left side supporting plum blossom dish 36, eccentric bracket panel 35 and moving knife 14 constitute, prismatic grass divider 7 inserts in the grass along the face of land 15-20cm place during operation, described stationary knife 15 is a fluking type stationary knife 15, the grass in grass divider 7 the place aheads along the inclined-plane press to grass divider 7 about and the top, the grass of grass divider 7 tops is when rising to certain altitude, caught by fluking type stationary knife 15, this moment, stationary knife 15 travelled forward while slitting, the grass of not chipped is cut off by rotation moving knife 14, makes with the grass that does not cut and separates.Described hay rake structure is by five groups of planet axis 3 that are connected frame 16 front ends and mandrel 45 and movable knife disc 37, plum blossom dish 36, eccentric bracket panel 35 connects and composes, mandrel 45 drives movable knife disc 37, plum blossom dish 36 drives five planet axis 3, planet axis 3 left end plum blossoms are coiled 36 outsides five connecting lever axles 46 are housed, drive eccentric bracket panel 35 around eccentric shaft 40 rotations, revolution and the rotation of careless tooth 32 with planet axis 3 hugged in formation, hugging careless tooth 32 vertical tooth straight cuttings goes in the grass, grass is hugged between stationary knife 10 and the moving knife 24, cutting mechanism is by moving knife 24, stationary knife 10, knife bar 48, pressuring blade device 41, U type pusher 27, pendulum ring assembly 4 constitutes, according to required a plurality of stationary knifes 10 are fixed by bolts on the connecting plate of frame 16 front lower places, connecting plate and frame 16 seam are together, the number riveting of moving knife 24 corresponding stationary knifes 10 is on moving knife bar 48, moving knife bar 48 left ends are welded with a U type pusher 27, both strings together, pressuring blade device 41 is pressed in moving knife 24 tops, pendulum annulate shaft 25 drives swing arm 23, it is reciprocating that swing arm 23 lower ends drive U type pusher 27, with hug into grass cut off, the rotation that the hay rake structure does not stop, nipper becomes the back tooth, the grass that cuts off is pushed to force feed grass pair roller 5,17, in the process that grass moves backward under the effect of preceding dustpan formula Sokcho plate 18, but make the grass that cuts off regulate pair roller 5 to two automatic profilings, gather in the middle of 17, profiling grass transmitting machine structure is by being fixed on frame 16 middle a pair of round rollers 5,17 by chain respectively with one group of sprocket wheel 28, gear 29 is connected with a joggle, two gears engaged direction of rotation are opposite, power is delivered on the slide block outside sprocket wheel 35 of top roll 5 right-hand members by chain 30, make two rollers 5 up and down, 17 rotations relatively, top roll 5 two axial ends are equipped with slide block 34 and holddown spring 20, a baffle plate 49 respectively is equipped with at slide block 34 two ends, connect with slide block with bolt, in the middle of two baffle plates 49 are clipped in rectangular tube frame 16, form chute, slide block 34 tops are welded with a guide post 50, and holddown spring 20 is enclosed within on the guide post 50.Can automatically adjust gaps between two rollers 5,17 according to what of grass feeding amount thus, avoid not advance grass or advance grass and too much engine is suppressed and gone out.Automatically adjusting can guarantee out grass all the time evenly, swath thin and thick unanimity.Grass binding strip mechanism is made up of the two groups of corresponding vertical fanning strips 18,19 in force feed grass roller 5,17 front and back, preceding Sokcho plate 18 is that the grass that will slice off gathers in the middle of two rollers 5,17, but back Sokcho plate 19 move left and right are gathered according to required the grass roots that pair roller 5,17 rolls to central, avoid road wheel 6 to press grass.Concrete structure to each several part is described below:

1) divides careless mechanism: by the stationary knife 15 of regulating arm 31 belows before being fixed on the two groups of prismatic grass dividers 7 before the frame and being fixed on frame 16 and be fixed on right movable knife disc 37 on the two ends, planet axis 3 left and right sides, left side supporting plum blossom dish 36, eccentric bracket panel 35, rotation moving knife 14, connecting lever axle 47 etc. and form.Prismatic grass divider 7 inserts in the grass along the face of land 15-20cm place during operation.The grass in grass divider the place ahead along the inclined-plane press to grass divider 7 about and the top, when rising to certain altitude, the grass of grass divider 7 tops caught by fluking type stationary knife 15, this moment, stationary knife 15 travelled forward with facility while slitting, and the grass that breaks that not have to slit is rotated moving knife 14 cut-outs, and the grass that cuts with not cutting is separated.Stationary knife 15 and right movable knife disc 37, left side supporting plum blossom dish 36, rotation moving knife 14 can be according to the height of grass with hugging the straw articles adjustment.

2) hay rake structure: by five groups of rotation planets hang down teeth hug grass axle 3, right movable knife disc 37, left side supporting plum blossom dish 36 and eccentric bracket panel 35 connect fixing, with string on a mandrel 45.The planet careless tooth 32 of hugging of tooth axle 3 that hangs down inserts in the grass in facility the place aheads, and its effect is: nipper 32 is hugged the grass that tooth 32 will cut off after the into ceding of Taiwan with grass and is advanced mip rolls 5,17.Can adjust the height of regulating arm when grass is too high or too low, extracts the bearing pin 55 of left and right adjusting lifter plate out, regulating arm 31 can move up or down one or several holes around regulating arm 46 rotating shafts rotation, bearing pin 55 is plugged again.

3) cutting mechanism: form by moving knife 24, stationary knife 10, pressuring blade device 41, U type pusher 27, pendulum ring 4, swing arm 23 etc.According to required a plurality of stationary knifes 10 are fixed by bolts on the connecting plate of frame 16 front lower places, connecting plate and frame 16 seam are together, the number of moving knife 24 corresponding stationary knifes 10, riveting is on moving knife bar 48, and moving knife bar 48 left ends are welded with a U type pusher 27, and both strings together, pressuring blade device 41, be pressed in moving knife 24 tops, pendulum annulate shaft 25 drives swing arm 23, and it is reciprocating that swing arm 23 lower ends drive U type pusher 27.Its effect is that the grass that will hug into cuts off, pressuring blade device 41 is pressed in stationary knife 10 tops with moving knife 24, make the moving knife 24 can only be reciprocating above stationary knife 10, and can not be to other direction motion, 27 rivetings of U type pusher have substituted spring flat steel above moving knife 24 bars, on the swing arm 23 front end axles bearing 26 is housed and is installed in U type pusher 27 grooves, when swing arm 23 rising bearings 26 upwards move in U type pusher 27 grooves, to next opposite.Can not rise moving knife bar 48 is raised, change the gap between moving knife 24 and the stationary knife 10 because of swing arm 23.Swing arm 23 swings and has driven U type pusher 27, and moving knife 24 is moved back and forth above stationary knife 10, finishes cutting operation.

4) profiling force feed grass pair roller mechanism: be by being fixed on a pair of round rollers 5,17 in the middle of the frame 16, holddown spring 20, tumbler gear and 28,29 and composition such as sprocket wheel chain 30.Its effect is that the grass that will cut off rolls conveying backward.Pair roller top roll 5 two ends rotate in slide block, respectively there is a holddown spring 20 (initial tension of spring is adjustable) the slide block top, slide block is according to advancing how much can freely moving up and down of grass, the sprocket chain bar of lower roll 17 axle heads drives one group of meshing gear 28,29, cog 28 through sprocket wheel chain 30 drive top rolls 5, two rollers 5,17 rotate relatively about making, and the grass that slices off are clamped add fast direction two roller rears.

5) grass binding strip mechanism: the curve grass guard 33 by vertical fanning strip 18,19 of the two groups of symmetries in force feed grass roller 5,17 front and back and top roll 5 back upper places is formed.Grass is gathered to the centre once more, avoid road wheel 6 to roll swath.

6) transmission mechanism: for each rotary part provides different rotating speeds, and facility fall back and turn to, and are the cores of power distribution.

After engine 1 starts, the clutch combination, power is through 2 work of V belt driving gearbox, the hand steered handle 9 of operating personnel, in conjunction with road wheel handle 11, throttle control 13 and steering cluth 8, road wheel 6 setting in motions, when facility enter the operation field, working handle 12 is started working in conjunction with each movement parts, during prismatic grass divider 7 inserts grass along face of land 15-20cm, the grass in grass divider 7 the place aheads along the inclined-plane press to grass divider 7 about and the top, when the grass of grass divider 7 tops rises to certain altitude, blocked by fluking type stationary knife 15, this moment, stationary knife 15 travelled forward while slitting, and the grass of not chipped is rotated moving knife 14 cut-outs, and the grass that cuts with not cutting is separated, 5 groups of rotation planet axis 3, hug in the grass in careless tooth 32 vertical demixings insertion facility the place ahead, grass is hugged into the ceding of Taiwan.Lower shaft 17 left end drive sprockets 21 drive the changement of putting ring 4 and right-hand member respectively, and the balance staff 25 of pendulum ring 4 drives swing arm 23 and oscillation bearings 26, and oscillation bearing 26 driving U type pushers 27 drive moving knife bars 24 and move back and forth above stationary knife 10.The grass of hugging into the ceding of Taiwan is cut off from root.When grass can be left regulating arm 31 under order when higher, the grass that cuts off becomes the back toothrows and pushes careless plate 22 to and enter in one group of corresponding vertically dustpan formula fanning strip 18 by hugging before the careless tooth 32 toothrows, makes into careless narrowed width.Be fixed on the up- down rollers 5,17 in the middle of the frame 16.The right-hand member chain sprocket of lower roll 17 drives lower gear 29, engagement cogs 28, drive top roll 5 through chain 30 sprocket wheels, two rollers are rotated relatively, respectively there are a slide block 34 and preloading spring 20 in top roll 5 two ends, making up and down when not having grass, two rollers mesh all the time, there is careless top roll 5 to regulate during operation between two rollers, the grass above the last careless plate 22 clamped to bring between two pair rollers carry backward according to how many automatic profilings of grass feeding amount.Curved surface grass guard 33 will be pressed to the face of land through the grass that rolls, and avoid straw cord to return top roll 5 and twine.Fan-shaped Sokcho plate is that the grass that will send after rolling gathers to the centre again, avoids road wheel 6 to roll swath.Here it is, and the utility model divides grass, hugs grass, cuts, rolls the overall process of sending grass, Sokcho.

Claims (2)

1, a kind of self-propelled grass harvester, comprise the careless mechanism of branch, the hay rake structure, cutting mechanism, profiling grass transmitting machine structure, grass binding strip mechanism, running gear, gear is formed, it is characterized in that the careless mechanism of described branch is provided with two groups of prismatic grass dividers (7) in frame (16) front lower place, last methods, rack (16) front end at grass divider (7) is established a left side, right regulating arm (31.1) and (31.2), the preceding lower end of regulating arm respectively connects a stationary knife (15), above-mentioned left regulating arm (31.1) front end connects an eccentric bracket panel (35), rotation moving knife (14) is housed on eccentric bracket panel (35) periphery, adorns a movable knife disc (37) on the right regulating arm (31.2); Described hay rake structure is to fix a mandrel (45) in left and right regulating arm upper end, mandrel (45) right-hand member is connected with movable knife disc (37), left end connects plum blossom dish (36), between movable knife disc (37) and plum blossom dish (36), be installed with planet axis (3), planet axis (3) left end connects a connecting lever axle (46), and the other end of connecting lever axle (46) is connected on the eccentric bracket panel (35); Described cutting mechanism is to adorn a stationary knife (10) between frame (16) two grass dividers in preceding lower end (7), a moving knife (24) is established in stationary knife (10) top, moving knife (24) is fixed on the knife bar (48), pressuring blade device (41) is equipped with in moving knife (24) top, in frame (16) one side moving knife (24) top pendulum ring (4) is housed, pendulum ring (4) drives swing arm (23) by balance staff (25), swing arm (23) lower end is connected with bearing (26), bearing (26) is embedded in the chute of U type pusher (27), and U type pusher (27) lower end is fixed on moving knife bar (48) top; Described profiling grass transmitting machine structure is in frame (16) middle part stationary knife (10) top top roll (5) and lower roll (17) to be housed vertically, one group of slide block (34) is respectively adorned at top roll (5) two ends, a baffle plate (49) is respectively established at slide block (34) two ends, and holddown spring (20) is equipped with in slide block (34) upper end; Above-mentioned lower roll (17) connects one group of sprocket wheel (28) by chain (30), and sprocket wheel (28) one sides and gear (29) link, and is connected with top roll (5) by chain (58) again, establishes careless plate (22) at lower roll (17) with the tangent place of stationary knife (10); Described grass binding strip mechanism respectively adorns a fanning strip (18) in last careless plate (22) both sides, and the rear end of top roll (5) and lower roll (17) is provided with symmetrical fanning strip (19), and a curved slab (33) is adorned in top, top roll (5) rear end.

2, a kind of self-propelled grass harvester according to claim 1 is characterized in that above-mentioned stationary knife (15) is the fluking type stationary knife.

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