CN201609021U

CN201609021U - Miniature tiller combine

Info

Publication number: CN201609021U
Application number: CN2010201103708U
Authority: CN
Inventors: 程有国
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-02-09
Filing date: 2010-02-09
Publication date: 2010-10-20
Anticipated expiration: 2020-02-09

Abstract

A miniature tiller combine includes a main body, a depth adjustment mechanism, a speed change mechanism and a drive mechanism, wherein a main sprocket is connected to a second sprocket through am intermediate large and small intermediate gears, a third sprocket, a clutch, a linkage shifting fork, a toggle plate claw, a spline shaft, a third sprocket and an output shaft wheel; and the second sprocket is connected to the first sprocket; a depth localization plate hand lever is in rotary connection to the main body through a positioning pin shaft, the bottom of the depth localization plate hand lever pulls the crank arm through a rear pin, a main link rod, a front pin, a turning supporting rod, a small linkage rod and a bottom pin in sequence; the crutch arm is fixed in the intermediate of the supporting axle seat, both ends of the supporting axle seat are respectively in rotary connection to one end of the arm beams at both sides through a first joint and a second joint, the other ends of the arm beams at both sides are respectively in rotary connection with guide wheels, and two double-layer dish drive wheels are respectively mounted on both ends of the drive spindle symmetrically in positive and negative directions. The utility model has professional design, ingenious idea, easy production, easy operation, and strong practicability, which is suitable for use in farmhouse tilling.

Description

Micro combined tiller

Technical field

The utility model relates to farm machinery, concrete is a kind of micro combined tiller multi-functional, that be used for farmland operation.

Background technology

Along with science and technology is constantly progressive, agricultural and has realized mechanization.Just at present, farm machinery is various in style, large-scale also has, small-sized also comparatively common.Yet the most function singleness of small-sized farm machinery, can harvesting can not farming, that can sow can not gather in, though and large-scale farm machinery is multiple functional, but because of its complex structure, maintenance is big, and one-time investment is bigger, operation cost is also high, and this is the main cause that farmers''s individuality does not adopt basically.

According to the concrete condition in present rural area, wish miniaturely, light mostly, according to the multifunctional agricultural machinery of the dismantled and assembled associated components of use, but peasant's " perfectly contented ", the small cultivator of extremely liking are not arranged as yet at present.That is to say that the machinery of farmland operation awaits to improve.

The utility model content

The purpose of this utility model does not have miniature, multi-functional, the problem of the individual tiller that uses of farmers' that suits at present in order to solve, and the micro combined tiller of the individual use of a kind of light, miniature, multi-functional, suitable farmers' is provided.

The technical scheme that adopts is:

Micro combined tiller, mainly be by engine, sower, two directive wheels, be assembled into that its technical essential is with wheel, gear, two directive wheel width adjusting mechanism, turnplow depth adjustment mechanism, driving shaft, two driving wheels and frame, plough, handrail:

The edge of described two driving wheels is installed in the two ends of driving shaft respectively with fastening relatively, constitutes positive assembling structure, or two driving wheel edges deviate from and be installed in respectively symmetrically the two ends of driving shaft mutually, constitutes anti-assembling structure.

Described turnplow depth adjustment mechanism comprises bolster, handles link rod, master link, small rod, depth localization dish hand lever, bearing axle seat and connecting lever; Described bolster is installed in the bearing axle seat, and bearing axle seat is fixed on the body both sides; Depth localization dish and body are fixedly connected, the depth localization dish is positioned at the bottom of depth localization dish hand lever, the bottom of depth localization dish hand lever is provided with alignment pin, depth localization dish hand lever is rotationally connected by alignment pin and depth localization dish, the bottom of depth localization dish hand lever is rotationally connected by the rear end of rear pin shaft and master link, the front end of master link is rotationally connected with the upper end of break-in cramp bar and small rod respectively simultaneously by preceding bearing pin, the lower end of break-in cramp bar by alignment pin pin joint down on body; The lower end of small rod is rotationally connected by the lower end of end bearing pin and connecting lever, fixedlys connected with the middle part of bolster by key in the upper end of connecting lever;

Described gear is a gearbox, and the wheel output shaft of engine connects by the input arbor wheel of angle band and gearbox, and second sprocket wheel on the output shaft of gear-box connects by first sprocket wheel of installing on chain and the driving shaft; First sprocket wheel is gone along with sb. to guard him by the sprocket wheel protective case; Sprocket wheel protective case and body connect into an overall structure, and body is connected with the frame solid welding; Frame be positioned at body above;

Described depth adjustment mechanism comprises bolster, handles link rod, small rod, depth localization dish hand lever, bearing axle seat, arm beam and connecting lever; Described bolster is installed in the bearing axle seat, and bearing axle seat is fixed on the body; Depth localization dish and body are fixedly connected, the bottom of depth localization dish hand lever is provided with alignment pin, depth localization dish hand lever is rotationally connected by alignment pin and depth localization dish, the bottom of depth localization dish hand lever is rotationally connected by the rear end of rear pin shaft and master link, the front end of master link is rotationally connected with the upper end of break-in cramp bar and small rod respectively simultaneously by preceding bearing pin, the lower end of break-in cramp bar by alignment pin pin joint down on body; The lower end of small rod is rotationally connected by the lower end of end bearing pin and connecting lever, fixedlys connected with the middle part of bolster by key in the upper end of connecting lever;

Described two directive wheel width adjustment mechanism comprise the first arm beam, the second arm beam, leading screw, axle bed; The two ends of axle bed are respectively equipped with first joint and second joint, insert respectively in first joint and the second joint rear end of the first arm beam and the second arm beam, the first arm beam and first joint shaft connect, the second arm beam and second joint axle connect, on the first arm beam and the second arm beam, be respectively arranged with first screw and second screw, leading screw respectively with first screw and the second screw spiral marking connection, be fixed with regulating handle respectively at the leading screw two ends, the front end of the first arm beam and the second arm beam is connected with two guide wheel shafts respectively;

Described gearbox is positioned at the rear portion of body and fixedlys connected with body, and second sprocket wheel in the gearbox is connected with first sprocket wheel by chain; First sprocket wheel is installed on the driving shaft.

Above-mentioned two driving wheels are made up of outline that is the disc shape and interior profile, the wheel of outline and interior profile is along being mutually permanently connected, the centre of outline and interior profile is installed on respectively on the two ends of wheel hub, wheel hub is provided with connecting flange and screw, is fixed on the driving shaft two ends through the ratchet differential mechanism; The wheel of above-mentioned outline and interior profile is all symmetrical, equidistant a plurality of antiskid plates that are provided with along connecting portion along the wheel of wheel convex surface, and antiskid plate is fixedlyed connected with inside and outside contour; Can be just. anti-the double-deck dish-shaped driving wheel by dress is a dish-shaped outline being heaped angle (30 degree) compacting by steel plate by sandy soil. with interior profile. abutted flange. the wheel hub welding fabrication, the periphery of wheel convex surface is welded with antiskid plate, angle 30 degree+30 degree equal 60 degree during the two-wheeled formal dress. the furrow angle of new ridging just, made things convenient for furrow to advance, more stable during farming, hand steeredly advance convenient and labor-savingly, benefit is extremely many.

Above-mentioned gearbox comprises shift handle and is installed in gearbox interior driving shaft, first, second two head sprockets, middle axle of carrier pulley, the 3rd sprocket wheel and second sprocket wheel; The two ends symmetry of described driving shaft is equiped with first, second two head sprockets, first, second two head sprockets are connected with second idle wheel is corresponding with first idle wheel respectively by chain, first idle wheel and second idle wheel are separately positioned on the two ends of middle axle of carrier pulley, and be rotationally connected with middle axle of carrier pulley, the inboard of contiguous first idle wheel and second idle wheel is respectively arranged with left splined shaft, right splined shaft, the two-end part of axle of carrier pulley in the middle of left and right splined shaft lays respectively at, left splined shaft, right splined shaft and middle axle of carrier pulley are structure as a whole; The identical dish pawl of sheathed structure respectively on the left and right splined shaft, two dish pawls are corresponding respectively to horizontally slip on left and right splined shaft, fixedly is equiped with the 3rd sprocket wheel on the middle axle of carrier pulley, and the 3rd sprocket wheel is between left and right splined shaft; The 3rd sprocket wheel is connected with wheel output shaft by chain, and wheel output shaft is installed on the output shaft, is equiped with second sprocket wheel on the output shaft simultaneously, and output shaft, wheel output shaft and second sprocket wheel are fixedly connected by key, and second sprocket wheel is connected with first sprocket wheel by chain; First sprocket wheel is installed on the driving shaft;

Fixedly connected with clutch in the bottom of above-mentioned shift handle, the two ends of clutch are respectively arranged with identical left and right two the interlock shift forks of structure, left and right two identical with structure in the lower end of left and right two interlock shift forks stir the respectively corresponding grafting of dish pawl, left and right two stir the dish pawl be installed in respectively on first splined shaft and second splined shaft, and be slidingly connected the recess insertion that left and right two blade tooths of stirring the dish pawl are identical with the structure that first, second idle wheel inboard is provided with respectively or leave with first splined shaft and second splined shaft.

Above-mentioned manipulation link rod is installed in a side of depth localization dish hand lever, the upper end of handling link rod is provided with the hooked hand, the lower end of handling link rod is provided with claw, the hooked hand is separately fixed on the depth localization dish hand lever with claw, a plurality of gap that claw and depth localization dish upper end are provided with plug, and depth localization dish bottom and body are fixedly connected.

One of the front end fork-join of above-mentioned connecting lever and the perpendicular leading screw of connecting lever, leading screw and connecting lever are rotationally connected, leading screw is rotationally connected with arm beam and arm beam respectively by two positive and negative screws, two positive and negative screws be separately positioned on two side arms beam and arm beam above, and flexibly connect with the two side arms beam respectively.

The dish-shaped anti-skidding driving wheel of above-mentioned two bilayers is made up of outline that is the disc shape and interior profile, the wheel of outline and interior profile is along being mutually permanently connected, the centre of outline and interior profile is installed on respectively on the two ends of wheel hub, wheel hub installing connecting flange and screw; Be installed on the driving shaft through the ratchet differential mechanism; The wheel of above-mentioned outline and interior profile is all symmetrical, equidistant a plurality of antiskid plates that are provided with along connecting portion along wheel, and antiskid plate is fixedlyed connected with inside and outside contour.

Above-mentioned driving shaft is installed in the sprocket wheel protective case, and the bearing block of driving shaft is fixedlyed connected with the sprocket wheel protective case, and the two ends of sprocket wheel protective case are embedded in the protective case external diameter hole of middle part, body both sides.

Characteristics of the present utility model:

1, whole small and exquisite, light, multiple functional, can load and unload relevant agricultural cultivating member in rear and front end of the present utility model, just can finish relevant farming.

2, design science, especially depth adjustment mechanism and driving mechanism are that general small cultivator does not possess simultaneously, result of use is obvious, and is easy to operate, the depth-adjustment of not only plowing joint, and also the focal power of front end both sides directive wheel is adjustable; Adapt to all states of cultivation, improve and plough efficient, reduce labor intensity.

3, driving wheel can just be dressed up similar single wheel drive, so that in the furrow walking, driving wheel can instead be dressed up two-wheel and drive, so that normal walking, driving wheel can positive and negatively be adorned, and single two-wheel can be complementary, and this is the characteristics that general tiller does not have.Only this a bit just can find out characteristics of the present utility model and superiority.

4, the utility model is simple in structure, and is with low cost, safe and reliable.

Using method of the present utility model and operation principle:

Ato unit at first, engine running drives the running of gearbox head sprocket by the input arbor wheel, by the level Four speed change, drives first sprocket rotation by second sprocket wheel, thereby driving wheel is rotated forward.

The utility model degree of depth of plowing can be adjusted, promptly push away. draw the break-in bar, thereby drive link rod and spur pull bar forward or backward, until promoting that the turning joint of bolster and bolster both sides is rotated forward or backward, and then two directive wheels that make two side arms beam front end can make progress or arcuate movement downwards, have so just changed the degree of depth of plowing.

Because of the utility model is equiped with connecting lever in can deciding, on the connecting lever fork-join have fixed in just. backward leading screw, just rotating. anti-screw rod just makes the two side arms beam. change the angle of opening, drawing in by being rotatably assorted of screw and leading screw, because of the turning joint on the bolster just. backward leading screw is limit, and the activity point of view of two side arms beam is 60 °.

Another key point of the present utility model is can be just. anti-double-deck dish-shaped anti-skidding driving wheel by dress, the direct tread surface of double-deck dish-shaped anti-skidding driving wheel drives the complete machine motion.When the driving wheel forward by when dress, the fastening inwards of the outer symmetry of two side drive wheel, and become " similar single file single wheel ", when driving wheel during oppositely by dress, outwards the opening of the outer symmetry of two side drive wheel, and become a two-wheel structure that spacing is arranged.

Front end of the present utility model is equipped with miniature harvester, pumping board formula seeding and fertilizer spreading machine is equipped with in the rear end, and can be because of the relevant agricultural operation part of needs installing, for example devices such as reaping apparatus, seeding and fertilizer spreading machine, water pump, laxative pump, the wheel that loosens the soil increase function of the present utility model.

The utility model is reasonable in design, is skillfully constructed, and system machine cost is extremely low, makes easily, and easy to use, practicality is very strong, and the utility model suitable farmers' farming fully uses.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the schematic top plan view of Fig. 1.

Fig. 3 is the utility model gear connection diagram.

Fig. 4 is that the A-A of Fig. 3 is to cross-sectional schematic.

Fig. 5 is the structural representation of depth adjustment mechanism of the present utility model.

Fig. 6 is the local structure for amplifying schematic diagram of the B of Fig. 5.

Fig. 7 is a depth adjustment mechanism arm beam of the present utility model connection diagram when drawing in.

Fig. 8 is a depth adjustment mechanism arm beam of the present utility model connection diagram when launching.

Fig. 9 is the dish-shaped driving wheel forward installing of a bilayer of the present utility model connection diagram.

Figure 10 is that the dish-shaped driving wheel of bilayer of the present utility model is oppositely installed connection diagram.

Figure 11 is the dish-shaped driving wheel structural representation of bilayer of the present utility model.

Figure 12 is the schematic top plan view of Figure 11.

Embodiment

Micro combined tiller mainly is by engine 11, sower 6, two directive wheels 14, is assembled into wheel 15, gear, two directive wheel width adjusting mechanism, turnplow depth adjustment mechanism, driving shaft 42, two driving wheels 2 and frame 62, plough 60, handrail 61:

The edge of described two driving wheels 2 is installed in the two ends of driving shaft 42 respectively with being interlocked through ratchet differential mechanism 41, constitute positive assembling structure, or two edges deviate from mutually, and is installed in the two ends of driving shaft symmetrically respectively through ratchet differential mechanism 41, constitutes anti-assembling structure.

Described turnplow depth adjustment mechanism comprises bolster 7, handles link rod 10, master link 45, small rod 34, depth localization dish hand lever 12, bearing axle seat 8 and connecting lever 39; Described bolster 7 is installed in the bearing axle seat 8, and bearing axle seat 8 is fixed on body 1 both sides; The bottom of depth localization dish hand lever 12 is provided with alignment pin 43, depth localization dish hand lever 12 is rotationally connected by alignment pin 43 and depth localization dish, the bottom of depth localization dish hand lever 12 is rotationally connected by the rear end of rear pin shaft 44 with master link 45, the front end of master link 45 is rotationally connected with the upper end of break-in cramp bar 47 and small rod 34 respectively simultaneously by preceding bearing pin 46, the lower end of break-in cramp bar 47 by alignment pin 48 pin joints down on body 1; The lower end of small rod 34 is rotationally connected by the lower end of end bearing pin 49 with connecting lever 39, fixedlys connected with the middle part of bolster 7 by key in the upper end of connecting lever 39;

The course of work of depth adjustment mechanism is: by depth localization dish handle 12 and the effect that is located at the hooked hand 9 on the manipulation link rod 10, location claw 50 is located on the depth localization dish 13 that has gap that is provided with on the body 1, thereby adjust the height of plough point, reach the degree of depth of plowing.The adjustment of the width between two directive wheels 14 is the rotation by the leading screw 38 of the band handwheel of fork-join on the connecting lever 39, promotion is connected two positive and negative screws 40 on two arm beams 4, drive two arm beams 4, two 60 degree turning joints 37, make two directive wheels 14, with two joints alive is that arcuate movement is made at the center, make two directive wheels 14 adjust to the appropriateness distance of ridge platform and furrow walking, reach the ridge platform, furrow can both be walked, can walk at furrow when especially making things convenient for the secondary ridging.

Above-mentioned manipulation link rod 10 is installed in a side of depth localization dish hand lever 12, the upper end of handling link rod 10 is provided with hooked hand 9, the lower end of handling link rod 10 is provided with claw 50, hooked hand 9 is separately fixed on the depth localization dish hand lever 12 with claw 50, claw 50 plugs with a plurality of gap that depth localization dish 13 upper ends are provided with, and depth localization dish 13 bottoms and body are fixedly connected.

Described two directive wheel width adjustment mechanism comprise the first arm beam 4, the second arm beam 5, leading screw 38, axle bed 8; The two ends of axle bed 8 are respectively equipped with first joint 37 and second joint 64, and insert respectively in first joint 37 and the second joint 64 rear end of the first arm beam 4 and the

second arm beam

5,37 connections of the first arm beam 4 and first joint, the

second arm beam

5 and 64 connections of second joint.One of the front end fork-join of connecting lever 39 and the perpendicular leading screw 38 of connecting lever, leading screw 38 is rotationally connected with connecting lever 39, on the first arm beam 4 and the second arm beam 5, be respectively arranged with first screw 40 and second screw 63, leading screw 38 respectively with first screw 40 and second screw, 63 spiral marking connections, be fixed with first regulating handle 59, second regulating handle 53 respectively at leading screw 38 two ends, the front end of the first arm beam 4 and the second arm beam 5 is connected with 14 of two directive wheels respectively; Directive wheel is commercially available component end item.

The dish-shaped driving wheel 2 of above-mentioned two bilayers is made up of outline 54 that is the disc shape and interior profile 55, the wheel of outline 54 and interior profile 55 is along being mutually permanently connected, the centre of outline 54 and interior profile 55 is installed on respectively on the two ends of wheel hub 56, wheel hub 56 installing connecting flange and Luo holes are fixed on driving shaft 42 two ends through ratchet differential mechanism 41; The wheel of above-mentioned outline 54 and interior profile 55 is all symmetrical, equidistant a plurality of antiskid plates 57 that are provided with along connecting portion along wheel, and antiskid plate 57 is fixedlyed connected with inside and

outside contour

55,54;

Above-mentioned gear is positioned at the rear portion of body and fixedlys connected with body, gear is a gearbox 3, and gearbox 3 comprises shift handle 16, gearbox 3 and is installed in driving shaft 21, first, second two head sprockets 20,27, middle axle of carrier pulley 28, the 3rd sprocket wheel 22 and second sprocket wheel 25 in the gearbox 3; Symmetry is equiped with first on the described driving shaft 21, the second two head sprockets 20,27, a left side, right head sprocket 20,27 by chain respectively with first idle wheel 23 and 36 corresponding connections of second idle wheel, first idle wheel 23 and second idle wheel 36 are separately positioned on the two ends of middle axle of carrier pulley 28 of wounded in the battle key, and be rotationally connected with middle axle of carrier pulley 28, the inboard of contiguous first idle wheel 23 and second idle wheel 36 is respectively arranged with a left side, right spline 32,51 axle, a left side, right spline 32,51 sheathed respectively two dish pawls 31, and on spline, horizontally slip, fixedly be equiped with the 3rd sprocket wheel 22, the three sprocket wheels 22 on the middle axle of carrier pulley 28 and be positioned at a left side, right spline 32, between 51; The 3rd sprocket wheel 22 is connected with wheel output shaft 24 by chain, wheel output shaft 24 is installed on the output shaft 33, be equiped with second sprocket wheel 25 on the output shaft 33 simultaneously, output shaft 33, wheel output shaft 24 and second sprocket wheel 25 are fixedly connected by key, and second sprocket wheel 25 is connected with first sprocket wheel 26 by chain; First sprocket wheel 26 is installed on the driving shaft 42;

Fixedly connected with clutch 29 in the bottom of above-mentioned shift handle 16, the two ends of clutch 29 are respectively arranged with the identical left side of structure, right two interlock shift forks 30, a left side, the left side identical, lower end of right two interlock shift forks 30 with structure, stir the corresponding respectively grafting of dish pawl 31 for right two, a left side, two on the right side is stirred dish pawl 31 and is installed in first splined shaft and second splined shaft 32 respectively, on 51, and with first splined shaft and second

splined shaft

32,51 are slidingly connected, a left side, right two blade tooth and first idle wheels 23 of stirring dish pawl 31, the recess 52 that the structure that second idle wheel, 36 inboards are provided with respectively is identical inserts or leaves.The rear side of gearbox 3 is provided with connecting plate 35, connecting plate 35 with according to the fertilizing and seeding apparatus 6 that need install later at complete machine, driver's seat, devices such as soil-finishing rake are connected by connecting pin, the fertilizing and seeding apparatus bottom is provided with taking turns 15 and contacts with ground; Turnplow 60 is installed in the lower portion of body 1 front portion by trussed beam.

The course of work of gearbox 3 is: the wheel output shaft 17 of engine 11 drives belt wheel 18 by belt 19 and rotates, and belt wheel 18 is installed in the outside of driving shaft 21, drives driving shaft 21 and rotates.Gear lever 16 is stirred clutch 29 move left and right, thereby drive interlock shift fork 30 move left and right, the interlock shift fork 30 move left and right stir the dish pawl 31 can about the commutation, promptly coil pawl or insert first idle wheel 23, or insert in the recess 52 of second idle wheel 36, so respectively by first idle wheel 23, left side splined shaft 32 drives the 3rd sprocket wheel 22, or by second idle wheel 36, right splined shaft 51 drives the 3rd sprocket wheel 22, the 3rd sprocket wheel 22 drives wheel output shaft 24. wheel output shafts 24 and drives second sprocket wheel 25, second sprocket wheel 25 drives and drives head sprocket 26, driving head sprocket 26 is installed on the driving shaft 42, driving shaft is fixed on the both sides of body 1 by two bearing blocks, two ratchet differential mechanisms 41 are equipped with at the driving shaft two ends, and ratchet differential mechanism 41 is commercially available typing component end item.

1 liang of side lower part of body is welded with gusset and connects on the abutted flange of gearbox 3 to afterbody, be welded with frame 62, engine 11 seats and gusset bottom above the body 1 to depth localization dish handle 12, seat bottom is welded with the flange seat of the bolster axle bed 8 of depth adjustment mechanism. be provided with two pin shaft holes between flange seat and the sprocket wheel protective case 58. and one is the break-in cramp bar 47 that is used for the pin joint depth adjustment mechanism, and one be to be used for the pin joint trussed beam.The rear portion of body 1 is provided with handrail 61.

Above-mentioned driving shaft 42 is installed in the sprocket wheel protective case 58, and driving shaft is sat by two axles and fixedlyed connected with sprocket wheel protective case 58, and the two ends of sprocket wheel protective case 58 are embedded in the hole, footpath, protective case place of body 1 middle part.

The front and rear of this micro combined tiller can be installed corresponding agro-farming parts according to the time, and anterior usually installing reaping apparatus, water pump, laxative pump can be installed the wheel that loosens the soil on rear portion installing fertilizing and seeding apparatus 6, smoothing harrow, driver's seat, the drive shaft.

Claims

1. micro combined tiller, mainly be by engine (11), sower (6), two directive wheels (14), be assembled into, it is characterized in that with wheel (15), gear, two directive wheel width adjusting mechanism, turnplow depth adjustment mechanism, driving shaft (42), two driving wheels (2) and frame (62), plough (60), handrails (61):

The relative fastening in edge of described two driving wheels (2) is installed in the two ends of driving shaft (42) respectively, constitutes positive assembling structure, or the edge of two driving wheels (2) deviates from mutually, and is installed in the two ends of driving shaft symmetrically respectively, constitutes anti-assembling structure;

Described turnplow depth adjustment mechanism comprises bolster (7), handles link rod (10), master link (45), small rod (34), depth localization dish hand lever (12), bearing axle seat (8) and connecting lever (39); Described bolster (7) is installed in the bearing axle seat (8), and bearing axle seat (8) is fixed on body (1) both sides; Depth localization dish (13) is fixedlyed connected with body (1), depth localization dish (13) is positioned at the bottom of depth localization dish hand lever (12), the bottom of depth localization dish hand lever (12) is provided with alignment pin (43), depth localization dish hand lever (12) is rotationally connected by alignment pin (43) and depth localization dish, the bottom of depth localization dish hand lever (12) is rotationally connected by the rear end of rear pin shaft (44) with master link (45), the front end of master link (45) is rotationally connected with the upper end of break-in cramp bar (47) and small rod (34) respectively simultaneously by preceding bearing pin (46), the lower end of break-in cramp bar (47) by alignment pin (48) pin joint down on body (1); The lower end of small rod (34) is rotationally connected by the lower end of end bearing pin (49) with connecting lever (39), fixedlys connected with the middle part of bolster (7) by key in the upper end of connecting lever (39);

Described two directive wheel width adjustment mechanism comprise the first arm beam (4), the second arm beam (5), leading screw (38), axle bed (8); The two ends of axle bed (8) are respectively equipped with first joint (37) and second joint (64), insert respectively in first joint (37) and the second joint (64) rear end of the first arm beam (4) and the second arm beam (5), the first arm beam (4) connects with first joint (37) axle, the second arm beam (5) connects with second joint (64) axle, on the first arm beam (4) and the second arm beam (5), be respectively arranged with first screw (40) and second screw (63), leading screw (38) respectively with first screw (40) and second screw (63) spiral marking connection, the front end of the first arm beam (4) and the second arm beam (5) is connected with two directive wheels (14) axles respectively;

Described gear is positioned at the rear portion of body (1) and fixedlys connected with body (1), and gear is gearbox (3), and second sprocket wheel (25) in the gearbox (3) is connected with first sprocket wheel (26) by chain; First sprocket wheel (26) is installed on the driving shaft (42).

2. micro combined tiller according to claim 1, it is characterized in that: above-mentioned two driving wheels (2) are made up of outline that is the disc shape (54) and interior profile (55), the wheel of outline (54) and interior profile (55) is along being mutually permanently connected, the centre of outline (54) and interior profile (55) is installed on respectively on the two ends of wheel hub (56), wheel hub (56) is provided with connecting flange and screw, is fixed on driving shaft (42) two ends through ratchet differential mechanism (41); Wheel week symmetry, equidistant the be provided with a plurality of antiskid plates (57) of the wheel of above-mentioned outline (54) and interior profile (55) along connecting portion along the wheel convex surface, antiskid plate (57) is fixedlyed connected with inside and outside contour (55,54).

3. micro combined tiller according to claim 1 is characterized in that: above-mentioned gearbox (3) comprises shift handle (16) and is installed in gearbox (3) interior driving shaft (21), first, second two head sprockets (20,27), middle axle of carrier pulley (28), the 3rd sprocket wheel (22) and second sprocket wheel (25); The two ends symmetry of described driving shaft (21) is equiped with first, the second two head sprockets (20,27), first, the second two head sprockets (20,27) by chain respectively with first idle wheel (23) and corresponding connection of second idle wheel (36), first idle wheel (23) and second idle wheel (36) are separately positioned on the two ends of middle axle of carrier pulley (28), and be rotationally connected with middle axle of carrier pulley (28), the inboard of contiguous first idle wheel (23) and second idle wheel (36) is respectively arranged with left splined shaft (32), right splined shaft (51), a left side, right splined shaft (32,51) lay respectively in the middle of axle of carrier pulley (28) two-end part, left splined shaft (32), right splined shaft (51) is structure as a whole with middle axle of carrier pulley (28); Left and right splined shaft (32,51) is gone up the identical dish pawl (31) of sheathed structure respectively, two dish pawls (31) are corresponding respectively to horizontally slip on left and right splined shaft (32,51), middle axle of carrier pulley (28) is gone up and fixedly is equiped with the 3rd sprocket wheel (22), and the 3rd sprocket wheel (22) is positioned between the left and right splined shaft (32,51); The 3rd sprocket wheel (22) is connected with wheel output shaft (24) by chain, wheel output shaft (24) is installed on the output shaft (33), be equiped with second sprocket wheel (25) on the output shaft (33) simultaneously, output shaft (33), wheel output shaft (24) are fixedly connected by key with second sprocket wheel (25), and second sprocket wheel (25) is connected with first sprocket wheel (26) by chain; First sprocket wheel (26) is installed on the driving shaft (42).

4. micro combined tiller according to claim 1, it is characterized in that: fixedly connected with clutch (29) in the bottom of above-mentioned shift handle (16), the two ends of clutch (29) are respectively arranged with the identical left side of structure, right two interlock shift forks (30), a left side, the left side identical, lower end of right two interlock shift forks (30) with structure, stir the corresponding respectively grafting of dish pawl (31) for right two, a left side, two on the right side is stirred dish pawl (31) and is installed in respectively on first splined shaft (32) and second splined shaft (51), and be slidingly connected a left side with first splined shaft (32) and second splined shaft (51), right two blade tooths and first of stirring dish pawl (31), second idle wheel (23,36) the inboard identical recess (52) of structure that is provided with respectively inserts or leaves.

5. micro combined tiller according to claim 1, it is characterized in that: above-mentioned manipulation link rod (10) is installed in a side of depth localization dish hand lever (12), the upper end of handling link rod (10) is provided with hooked hand (9), the lower end of handling link rod (10) is provided with claw (50), hooked hand (9) is separately fixed on the depth localization dish hand lever (12) with claw (50), claw (50) plugs with a plurality of gap that depth localization dish (13) upper end is provided with, and depth localization dish (13) bottom and body are fixedly connected.

6. micro combined tiller according to claim 1, it is characterized in that: one of the front end fork-join of above-mentioned connecting lever (39) and the perpendicular leading screw (38) of connecting lever, leading screw (38) is rotationally connected with connecting lever (39), leading screw (38) is rotationally connected with the first arm beam (4) and the second arm beam (5) respectively by two positive and negative screws (40), two positive and negative screws (40) be separately positioned on the both sides the first arm beams (4) and the second arm beam (5) above, and flexibly connect with both sides the first arm beams (4) respectively.

7. micro combined tiller according to claim 1, it is characterized in that: the above-mentioned dish-shaped anti-skidding driving wheels of two bilayers (2) are made up of outline that is the disc shape (54) and interior profile (55), the wheel of outline (54) and interior profile (55) is along being mutually permanently connected, the centre of outline (54) and interior profile (55) is installed on respectively on the two ends of wheel hub (56), wheel hub (56) installing connecting flange and screw; Be installed on the driving shaft (42) through the ratchet differential mechanism; The wheel of above-mentioned outline (54) and interior profile (55) is symmetrical along wheel week along connecting portion, equidistant a plurality of antiskid plates (57) that are provided with, and antiskid plate (57) is fixedlyed connected with inside and outside contour (55,54).

8. micro combined tiller according to claim 1, it is characterized in that: above-mentioned driving shaft (42) is installed in the sprocket wheel protective case (58), the bearing block of driving shaft is fixedlyed connected with sprocket wheel protective case (58), and the two ends of sprocket wheel protective case (58) are embedded in the protective case external diameter hole of body (1) middle part, both sides.