CN103098590B - Paddy field direct sowing machine synchronous in covering soil, ditching and ridging powered by wheeled tractor - Google Patents

Paddy field direct sowing machine synchronous in covering soil, ditching and ridging powered by wheeled tractor Download PDF

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Publication number
CN103098590B
CN103098590B CN201310039909.3A CN201310039909A CN103098590B CN 103098590 B CN103098590 B CN 103098590B CN 201310039909 A CN201310039909 A CN 201310039909A CN 103098590 B CN103098590 B CN 103098590B
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China
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profiling
sowing
screw feeder
ditching
hanger
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CN103098590A (en
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罗锡文
***
王在满
臧英
曾山
张明华
陈雄飞
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South China Agricultural University
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South China Agricultural University
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2

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Abstract

The invention discloses a paddy field direct sowing machine synchronous in covering soil, ditching and ridging powered by a wheeled tractor. The paddy field direct sowing machine comprises a frame, a soil covering device, a hydraulic system, a copying device, a ditching and ridging device, a sowing device, a hanging mechanism and a tractor, wherein the tractor is fixedly connected with the frame, the soil covering device is arranged at the front end of the frame, a sowing device is arranged at the rear end of the frame, the copying device is arranged between the soil covering device and the sowing device, the ditching and ridging device is arranged at the lower end of the copying device, and the soil covering device, the copying device and the sowing device are respectively driven by the hydraulic system. The paddy field direct sowing machine disclosed by the invention effectively solves the problems of bad generality of a power chassis, limited working width, high cost, difficult promotion and low production efficiency in prior art, and has the characteristics that structure is simple, operating is convenient, and covering soils, flattening ground, forming water storage ditches are realized, and direct sowing and self-adaptive copying once are precisely carried out.

Description

Take wheel tractor as the paddy field synchronous earthing ditching, ridging seed-sowing machine of power
Technical field
The present invention relates to seeding technique in agricultural machinery, is the paddy field synchronous earthing ditching, ridging seed-sowing machine of power specifically with wheel tractor.
Background technology
Paddy rice occupies first of China's Three major grain crops, and long-term cultivated area about 3,000 ten thousand hectares, accounts for 30% of national cereal cultivated area, and nearly 200,000,000 tons of paddy gross yield, accounts for more than 25% of national gross yield.Rice Production occupies very consequence in China's grain-production, improves the strategic long-term objectives that paddy rice integrated production capacity is Guarantee Grain Production safety.In recent years because labour shifts in a large number, Monitoring of Paddy Rice Plant Area reduces year by year, improves rice planting mechanization level and becomes raising rice yield level, one of important measures of Ensuring Food Safety.Rice Cropping is one of link that in Rice Production entire mechanization, difficulty is maximum, also raises labour productivity, and solves the key of labor shortage.At present, Mechanization In Rice Sowing And Planting has become one of bottleneck of Rice Production entire mechanization development, main employing portable type chassis is power, power is little, working width is restricted, and production efficiency also has larger gap more abroad, and light power chassis versatility is poor, cause cost higher, promote difficulty and strengthen.
Summary of the invention
The object of the invention is to overcome the deficiency that above prior art exists, provide a kind of structure simple, easy and simple to handle, can once complete earthing, level land, open retaining ditch, open seed furrow, the live and self adaptation profiling of essence amount take wheel tractor as the paddy field synchronous earthing ditching, ridging seed-sowing machine of power.
In order to achieve the above object, the present invention is by the following technical solutions: the paddy field synchronous earthing ditching, ridging seed-sowing machine taking wheel tractor as power, comprises frame, covering device, hydraulic system, copying device, ditching, ridging device, seeding apparatus, hitch and tractor; Wherein, tractor and frame affixed, covering device is located at frame front end, seeding apparatus is located at frame rear end, copying device is located between covering device and seeding apparatus, and ditching, ridging device is located at copying device lower end, and covering device, copying device and seeding apparatus are driven by hydraulic system respectively.
Described frame comprises front-axle beam, the back rest, the first intermediate supports beam, the second intermediate supports beam, the first curb girder, the second curb girder, left hoisting frame, right hoisting frame, left suspension hanger and right suspension hanger; Wherein, front-axle beam and back rest centre position are provided with the first intermediate supports beam and the second intermediate supports beam, first curb girder is located at the left part of front-axle beam and the back rest, second curb girder is located at the right part of front-axle beam and the back rest, left hoisting frame is installed on the first intermediate supports beam, right hoisting frame is installed on the second intermediate supports beam, and left hoisting frame is connected with intersection, right hoisting frame top connecting pin and forms upper hitch point, and left suspension hanger and right suspension hanger are arranged on the front end of front-axle beam; Upper hitch point, left suspension hanger and right suspension hanger form triangle, and upper hitch point, left suspension hanger are connected with the three-point hitch on tractor respectively with right suspension hanger.
Described covering device comprises left screw feeder covering device, right screw feeder covering device, screw feeder left support side plate, screw feeder intermediate support plate and screw feeder right support side plate, wherein, left screw feeder covering device and right screw feeder covering device include cylindrical shell, the cylindrical shell left side is provided with left-hand screw blade, right-hand screw blade is provided with on the right of cylindrical shell, connect with female splined shaft in the middle of cylindrical shell, left screw feeder covering device and right screw feeder covering device are connected to screw feeder intermediate support plate lower end by intermediate seal bearing, the left end of left screw feeder covering device is connected to screw feeder left support side plate lower end by left sealed bearing, the right-hand member of right screw feeder covering device is connected to screw feeder right support side plate lower end by right sealed bearing, screw feeder left support side plate is hinged on the first curb girder, screw feeder right support side plate is hinged on the second curb girder, screw feeder intermediate support plate upper end is connected with copying device.
Described copying device comprises earthing feeler mechanism, sowing copying device and profiling mechanism sensor; Wherein, earthing feeler mechanism comprises and is installed on covering device profiled shaft below the first intermediate supports beam and the second intermediate supports beam and earthing driving crank with clutch shaft bearing seat, earthing driving crank is fixed on covering device profiled shaft, screw feeder intermediate support plate upper end is connected with covering device profiled shaft, and earthing driving crank hinge is connected with hydraulic system;
Described sowing copying device comprises and is installed on sowing profiled shaft below frame first intermediate supports beam and the second intermediate supports beam with the second bearing block, sowing driving crank, left sowing profiling front rod, right sowing profiling front rod, left sowing profiling back link, right sowing profiling back link, left spring damper and right spring damper, sowing driving crank is fixed on sowing profiled shaft, sowing driving crank one end is connected with earthing driving crank one end by connecting rod, left sowing profiling front rod is all connected with sowing profiled shaft with one end of right sowing profiling front rod, left sowing profiling front rod is connected with ditching, ridging device with the other end of right sowing profiling front rod, left sowing profiling back link connects and right sowing profiling back link one end is all hingedly connected at below the back rest, left sowing profiling back link connects and is connected with ditching, ridging device with the right sowing profiling back link other end, left sowing profiling front rod, right sowing profiling front rod, left sowing profiling back link and right sowing profiling back link form parallelogram lindage, and left spring damper is connected with left sowing profiling back link, and right spring damper is connected with right sowing profiling back link,
Described profiling mechanism sensor comprises the gauge finder be hinged on ditching, ridging device, ditching, ridging device is provided with left profiling and rotates hanger and right profiling rotation hanger, left profiling rotates between hanger and right profiling rotation hanger and is provided with Profile Slide Valve, left profiling adjustment of sensitivity bar, one end of right profiling adjustment of sensitivity bar and Profile Slide Valve driving rod is connected with gauge finder respectively by hanger, the postmedian of left profiling adjustment of sensitivity bar rotates hanger with left profiling and is connected, the other end of left profiling adjustment of sensitivity bar and left profiling rotate sheathed left profiling adjustment of sensitivity spring between hanger, the postmedian of right profiling adjustment of sensitivity bar rotates hanger with right profiling and is connected, the other end of right profiling adjustment of sensitivity bar and right profiling rotate sheathed right profiling adjustment of sensitivity spring between hanger, the other end of Profile Slide Valve driving rod is connected with Profile Slide Valve.
Described left spring damper comprises left damping major axis, left damping spring and anticlockwise hanger, and right spring damper comprises right damping major axis, right damping spring and right rotation hanger; Wherein, left damping spring one end is hingedly coupled on left sowing profiling back link, and the left damping spring other end is through anticlockwise hanger, and right damping spring one end is hingedly coupled on right sowing profiling back link, and the right damping spring other end is through right rotation hanger.
Described ditching, ridging device comprises trench digging base plate, retaining ditch plough and seed furrow plough; Wherein, retaining ditch plough and seed furrow plough are arranged on bottom trench digging base plate separately, and gauge finder is hinged on trench digging base plate, and left sowing profiling back link connects and right sowing profiling back link one end and base plate chain connection of ditching.
Described seeding apparatus comprises crossbeam, plants case, seeding unit, seeding mouth, support, feed shaft and seeding unit drive sprocket; Wherein, seeding unit is on rear side of crossbeam, feed shaft is vertically mounted on crossbeam, equidistant or the Unequal distance of feed shaft axis, connect with shaft coupling between adjacent feed shaft, the sowing port of each seeding unit lower end is just to each seed furrow, planting case is installed on directly over seeding unit, plant box number equal with seeding unit, crossbeam is arranged on directly over support, and pedestal lower end is arranged on trench digging base plate.
Described hydraulic system comprises oil pump gearbox, oil pump, hydraulic oil container, earthing hydraulic motor, seeding unit hydraulic motor, profiling driving oil cylinder, overflow valve, screw feeder choke valve, seeding choke valve, Profile Slide Valve and hydraulic oil pipe; Wherein, oil pump gearbox is located in frame, the output shaft of oil pump gearbox is connected with the power shaft of oil pump, oil pump drives oil cylinder and hydraulic oil container to form hydraulic circuit by hydraulic oil pipe and earthing hydraulic motor, seeding unit hydraulic motor, Profile Slide Valve, screw feeder choke valve, seeding choke valve, overflow valve, profiling, earthing fluid motor-driven left screw feeder covering device and right screw feeder covering device, seeding unit hydraulic motor is connected with seeding unit drive sprocket, and profiling drives oil cylinder to be connected with earthing driving crank.
Described Profile Slide Valve driving rod laterally offers adjustment hole, and adjustment hole is connected with Profile Slide Valve by pin.
The present invention, relative to prior art, has following advantage and effect:
1, the present invention adopts tractor as power source, by tractor PTO Direct driver, can greatly improve versatility and operating efficiency.
2, the present invention can realize covering device and seeding apparatus adjusts up and down automatically with surface relief, and sowing distance, sowing depth, ditching depth can adjust according to agriculture requirement, meet the planting requirement of conventional Rice, hybrid rice and super hybridization rice.
3, in the present invention, left screw feeder covering device and right screw feeder covering device include cylindrical shell, the cylindrical shell left side is provided with left-hand screw blade, right-hand screw blade is provided with on the right of cylindrical shell, connect with female splined shaft in the middle of cylindrical shell, during work, the mud on surface, paddy field is axially pushed in the wheel ditch that in engine (wheel tractor) direction of advance, rut extrudes along pusher by the helical blade rotated, and better can recover grading, for seeding apparatus provides good working environment.
4, the present invention is by directly having sowed Rice Cropping, eliminates nursery, transplants the twice workload agronomy process of complexity greatly, simplify agronomy, save recruitment, reduce labor intensity.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is backsight structural representation of the present invention;
Fig. 4 is right TV structure schematic diagram of the present invention;
Fig. 5 is the A-A place sectional structure schematic diagram of Fig. 3;
Fig. 6 is hydraulic system structure schematic diagram of the present invention;
Fig. 7 is the structural representation of profiling mechanism sensor in the present invention;
Fig. 8 is left screw feeder covering device motion state structural representation in the present invention.
Number in the figure and title as follows:
1 Tractor 2 Frame
3 Covering device 4 Hydraulic system
5 Copying device 6 Ditching, ridging device
7 Seeding apparatus 8 Front-axle beam
9 The back rest 10 First intermediate supports beam
11 Second intermediate supports beam 12 First curb girder
13 Second curb girder 14 Left hoisting frame
15 Right hoisting frame 16 Left suspension hanger
17 Right suspension hanger 18 Left screw feeder covering device
19 Right screw feeder covering device 20 Screw feeder left support side plate
21 Screw feeder intermediate support plate 22 Screw feeder right support side plate
23 Covering device profiled shaft 24 Earthing driving crank
25 Sowing profiled shaft 26 Sowing driving crank
27 Left sowing profiling front rod 28 Right sowing profiling front rod
29 Left sowing profiling back link 30 Right sowing profiling back link
31 Gauge finder 32 Left profiling adjustment of sensitivity spring
33 Left profiling adjustment of sensitivity bar 34 Profile Slide Valve driving rod
35 Left damping major axis 36 Left damping spring
37 Anticlockwise hanger 38 Right damping major axis
39 Right damping spring 40 Right rotation hanger
41 Trench digging base plate 42 Retaining ditch plough
43 Seed furrow plough 44 Crossbeam
45 Plant case 46 Seeding unit
47 Seeding mouth 48 Support
49 Feed shaft 50 Seeding unit drive sprocket
51 Oil pump gearbox 52 Oil pump
53 Hydraulic oil container 54 Earthing hydraulic motor
55 Seeding unit hydraulic motor 56 Profiling drives oil cylinder
57 Overflow valve 58 Screw feeder choke valve
59 Seeding choke valve, 60 Profile Slide Valve
61 Three-point hitch 62 Shaft coupling
63 Left profiling rotates hanger 64 Right profiling rotates hanger
65 The wheel ditch that tractor rut extrudes 66 Right profiling adjustment of sensitivity spring
67 Right profiling adjustment of sensitivity bar 68 Mud
Embodiment
For ease of it will be appreciated by those skilled in the art that the present invention is described in further detail below in conjunction with drawings and Examples.
Embodiment:
As shown in Fig. 1 ~ 8, take wheel tractor as the paddy field synchronous earthing ditching, ridging seed-sowing machine of power, comprise frame 2, covering device 3, hydraulic system 4, copying device 5, ditching, ridging device 6, seeding apparatus 7, hitch and tractor 1; Wherein, tractor 1 is affixed with frame 2, covering device 3 is located at frame 2 front end, seeding apparatus 7 is located at frame 2 rear end, copying device 5 is located between covering device 3 and seeding apparatus 7, ditching, ridging device 6 is located at copying device 5 lower end, and covering device 3, copying device 5 and seeding apparatus 7 are driven by hydraulic system 4 respectively.
As shown in Figure 1, 2, the present embodiment mid frame 2 comprises front-axle beam 8, the back rest 9, first intermediate supports beam 10, second intermediate supports beam 11, first curb girder 12, second curb girder 13, left hoisting frame 14, right hoisting frame 15, left suspension hanger 16 and right suspension hanger 17; Wherein, front-axle beam 8 and the back rest 9 centre position are provided with the first intermediate supports beam 10 and the second intermediate supports beam 11, first curb girder 12 is located at the left part of front-axle beam 8 and the back rest 9, second curb girder 13 is located at the right part of front-axle beam 8 and the back rest 9, left hoisting frame 14 is installed on the first intermediate supports beam 10, right hoisting frame 15 is installed on the second intermediate supports beam 11, left hoisting frame 14 is connected with intersection, right hoisting frame 15 top connecting pin and forms upper hitch point, and left suspension hanger 16 and right suspension hanger 17 are arranged on the front end of front-axle beam 8; Upper hitch point, left suspension hanger 16 and right suspension hanger 17 form triangle, and upper hitch point, left suspension hanger 16 and right suspension are hung hanger 17 and be connected with the three-point hitch 61 on tractor respectively, to control overall lifting.
As shown in Fig. 3,8, the covering device 3 in the present embodiment comprises left screw feeder covering device 18, right screw feeder covering device 19, screw feeder left support side plate 20, screw feeder intermediate support plate 21 and screw feeder right support side plate 22, wherein, left screw feeder covering device 18 and right screw feeder covering device 19 include cylindrical shell, the cylindrical shell left side is provided with left-hand screw blade, right-hand screw blade is provided with on the right of cylindrical shell, connect with female splined shaft in the middle of cylindrical shell, left screw feeder covering device 18 and right screw feeder covering device 19 are connected to screw feeder intermediate support plate 21 lower end by intermediate seal bearing, the left-right rotary of left-hand screw blade and right-hand screw blade aims at the driving wheel of tractor 1 to center line, during work, the mud 68 on surface, paddy field is axially pushed in the wheel ditch 65 that in tractor 1 direction of advance, rut extrudes along pusher by the helical blade rotated, play the effect of earthing, the left end of left screw feeder covering device 18 is connected to screw feeder left support side plate 20 lower end by left sealed bearing, the right-hand member of right screw feeder covering device 19 is connected to screw feeder right support side plate 22 lower end by right sealed bearing, screw feeder left support side plate 20 is hinged on the first curb girder 12, screw feeder right support side plate 22 is hinged on the second curb girder 13, screw feeder intermediate support plate 21 upper end is connected with the covering device profiled shaft 23 of copying device, left screw feeder covering device 18 and right screw feeder covering device 19 move in a circle around covering device profiled shaft 23, realize the forming movement of covering device.
As shown in Figure 4,5, copying device 5 comprises earthing feeler mechanism, sowing copying device and profiling mechanism sensor; Wherein, earthing feeler mechanism comprises and is installed on covering device profiled shaft 23 below the first intermediate supports beam 10 and the second intermediate supports beam 11 and earthing driving crank 24 with clutch shaft bearing seat, earthing driving crank 24 is fixed on covering device profiled shaft 23, screw feeder intermediate support plate 21 upper end is connected with covering device profiled shaft 23, and earthing driving crank 24 hinge is connected with hydraulic system 4;
Sowing copying device comprises and is installed on sowing profiled shaft 25 below frame first intermediate supports beam 10 and the second intermediate supports beam 11 with the second bearing block, sowing driving crank 26, left sowing profiling front rod 27, right sowing profiling front rod 28, left sowing profiling back link 29, right sowing profiling back link 30, left spring damper and right spring damper, sowing driving crank 26 is fixed on sowing profiled shaft 25, sowing driving crank 26 one end is connected with earthing driving crank 24 one end by connecting rod, left sowing profiling front rod 27 is all connected with sowing profiled shaft 25 with one end of right sowing profiling front rod 29, left sowing profiling front rod 27 is connected with ditching, ridging device 6 with the other end of right sowing profiling front rod 28, left sowing profiling back link 29 and right sowing profiling back link 30 one end are all hingedly connected at below the back rest 9, left sowing profiling back link 29 is connected with ditching, ridging device 6 with right sowing profiling back link 30 other end, left sowing profiling front rod 27, right sowing profiling front rod 28, left sowing profiling back link 29 and right sowing profiling back link 30 form parallelogram lindage, left spring damper is connected with left sowing profiling back link 29, and right spring damper is connected with right sowing profiling back link 30,
Described profiling mechanism sensor comprises the gauge finder 31 be hinged on ditching, ridging device, ditching, ridging device is provided with left profiling and rotates hanger 63 and right profiling rotation hanger 64, left profiling rotates between hanger 63 and right profiling rotation hanger 64 and is provided with Profile Slide Valve 60, left profiling adjustment of sensitivity bar 33, one end of right profiling adjustment of sensitivity bar 67 and Profile Slide Valve driving rod 34 is connected with gauge finder 31 respectively by hanger, the postmedian of left profiling adjustment of sensitivity bar 33 rotates hanger 63 with left profiling and is connected, the other end of left profiling adjustment of sensitivity bar 33 and left profiling rotate sheathed left profiling adjustment of sensitivity spring 32 between hanger 63, the postmedian of right profiling adjustment of sensitivity bar 67 rotates hanger 64 with right profiling and is connected, the other end of right profiling adjustment of sensitivity bar 67 and right profiling rotate sheathed right profiling adjustment of sensitivity spring 66 between hanger 64, the other end of Profile Slide Valve driving rod 34 is connected with Profile Slide Valve 60, Profile Slide Valve driving rod 34 laterally offers adjustment hole, adjustment hole is connected with Profile Slide Valve 60 by pin.
Left spring damper comprises left damping major axis 35, left damping spring 36 and anticlockwise hanger 37, and right spring damper comprises right damping major axis 38, right damping spring 39 and right rotation hanger 40; Wherein, left damping spring 36 one end is hingedly coupled on left sowing profiling back link 29, left damping spring 26 other end is through anticlockwise hanger 37, and right damping spring 39 one end is hingedly coupled on right sowing profiling back link 30, and right damping spring 39 other end is through right rotation hanger 40.
As shown in Figure 3,4, ditching, ridging device comprises trench digging base plate 41, retaining ditch plough 42 and seed furrow plough 43; Wherein, retaining ditch plough 42 and seed furrow plough 43 are arranged on bottom trench digging base plate 41 separately, and gauge finder 31 is hinged on trench digging base plate 41, left sowing profiling back link 29 and right sowing profiling back link 30 one end and base plate 41 chain connection of ditching.
As shown in Figure 4, seeding apparatus comprises crossbeam 44, plants case 45, seeding unit 46, seeding mouth 47, support 48, feed shaft 49 and seeding unit drive sprocket 50; Wherein, seeding unit 46 is on rear side of crossbeam 44, feed shaft 49 is vertically mounted on crossbeam 44, equidistant or the Unequal distance of feed shaft 49 axis, connect with shaft coupling 62 between adjacent feed shaft 49, the sowing port of each seeding unit 46 lower end is just to each seed furrow, planting case 45 is installed on directly over seeding unit 49, plant case 45 quantity equal with seeding unit 46, crossbeam 44 is arranged on directly over support 48, and support 48 lower end is arranged on trench digging base plate 41.
As shown in Figure 6, hydraulic system comprises oil pump gearbox 51, oil pump 52, hydraulic oil container 53, earthing hydraulic motor 54, seeding unit hydraulic motor 55, profiling driving oil cylinder 56, overflow valve 57, screw feeder choke valve 58, seeding choke valve 59, Profile Slide Valve 60 and hydraulic oil pipe; Wherein, oil pump gearbox 51 is located in frame 2, the output shaft of oil pump gearbox 51 is connected with the power shaft of oil pump 52, oil pump 52 drives oil cylinder 56 and hydraulic oil container 53 to form hydraulic circuit by hydraulic oil pipe and earthing hydraulic motor 54, seeding unit hydraulic motor 55, Profile Slide Valve 60, screw feeder choke valve 58, seeding choke valve 59, overflow valve 57, profiling, earthing hydraulic motor 54 drives left screw feeder covering device 18 and right screw feeder covering device 19, seeding unit hydraulic motor 55 is connected with seeding unit drive sprocket 50, and profiling drives oil cylinder 56 to be connected with earthing driving crank 24.
During work, the gauge finder 31 in profiling mechanism sensor againsts the walking of face, field at any time, and when face, field dipping and heaving, gauge finder 31 can rotate up and down, and then opens the Profile Slide Valve 60 of hydraulic system, and Profile Slide Valve 60 controls profiling and drives oil cylinder 56 action; Earthing driving crank 24 is under profiling drives the effect of oil cylinder 56, covering device profiled shaft 23 is driven to rotate, synchronous drive screw feeder intermediate support plate 21 rotates, realize the forming movement up and down of covering device, drive sowing driving crank 26 to rotate by connecting rod simultaneously, further drive parallelogram lindage rotates, and realizes covering device 3, ditching, ridging device 6 and seeding apparatus 7 synchronized profile modeling.
Above-mentioned embodiment is the preferred embodiments of the present invention, can not limit the present invention, and any of other does not deviate from technical scheme of the present invention and the substitute mode of the change made or other equivalence, is included within protection scope of the present invention.

Claims (8)

1. be the paddy field synchronous earthing ditching, ridging seed-sowing machine of power with wheel tractor, it is characterized in that: comprise frame, covering device, hydraulic system, copying device, ditching, ridging device, seeding apparatus, hitch and tractor; Wherein, tractor and frame affixed, covering device is located at frame front end, seeding apparatus is located at frame rear end, copying device is located between covering device and seeding apparatus, and ditching, ridging device is located at copying device lower end, and covering device, copying device and seeding apparatus are driven by hydraulic system respectively;
Described frame comprises front-axle beam, the back rest, the first intermediate supports beam, the second intermediate supports beam, the first curb girder, the second curb girder, left hoisting frame, right hoisting frame, left suspension hanger and right suspension hanger; Wherein, front-axle beam and back rest centre position are provided with the first intermediate supports beam and the second intermediate supports beam, first curb girder is located at the left part of front-axle beam and the back rest, second curb girder is located at the right part of front-axle beam and the back rest, left hoisting frame is installed on the first intermediate supports beam, right hoisting frame is installed on the second intermediate supports beam, and left hoisting frame is connected with intersection, right hoisting frame top connecting pin and forms upper hitch point, and left suspension hanger and right suspension hanger are arranged on the front end of front-axle beam; Upper hitch point, left suspension hanger and right suspension hanger form triangle, and upper hitch point, left suspension hanger are connected with the three-point hitch on tractor respectively with right suspension hanger.
2. according to claim 1 take wheel tractor as the paddy field synchronous earthing ditching, ridging seed-sowing machine of power, it is characterized in that: described covering device comprises left screw feeder covering device, right screw feeder covering device, screw feeder left support side plate, screw feeder intermediate support plate and screw feeder right support side plate, wherein, left screw feeder covering device and right screw feeder covering device include cylindrical shell, the cylindrical shell left side is provided with left-hand screw blade, right-hand screw blade is provided with on the right of cylindrical shell, connect with female splined shaft in the middle of cylindrical shell, left screw feeder covering device and right screw feeder covering device are connected to screw feeder intermediate support plate lower end by intermediate seal bearing, the left end of left screw feeder covering device is connected to screw feeder left support side plate lower end by left sealed bearing, the right-hand member of right screw feeder covering device is connected to screw feeder right support side plate lower end by right sealed bearing, screw feeder left support side plate is hinged on the first curb girder, screw feeder right support side plate is hinged on the second curb girder, screw feeder intermediate support plate upper end is connected with copying device.
3. according to claim 2 take wheel tractor as the paddy field synchronous earthing ditching, ridging seed-sowing machine of power, it is characterized in that: described copying device comprises earthing feeler mechanism, sowing copying device and profiling mechanism sensor; Wherein, earthing feeler mechanism comprises and is installed on covering device profiled shaft below the first intermediate supports beam and the second intermediate supports beam and earthing driving crank with clutch shaft bearing seat, earthing driving crank is fixed on covering device profiled shaft, screw feeder intermediate support plate upper end is connected with covering device profiled shaft, and earthing driving crank hinge is connected with hydraulic system;
Described sowing copying device comprises and is installed on sowing profiled shaft below frame first intermediate supports beam and the second intermediate supports beam with the second bearing block, sowing driving crank, left sowing profiling front rod, right sowing profiling front rod, left sowing profiling back link, right sowing profiling back link, left spring damper and right spring damper, sowing driving crank is fixed on sowing profiled shaft, sowing driving crank one end is connected with earthing driving crank one end by connecting rod, left sowing profiling front rod is all connected with sowing profiled shaft with one end of right sowing profiling front rod, left sowing profiling front rod is connected with ditching, ridging device with the other end of right sowing profiling front rod, left sowing profiling back link and right sowing profiling back link one end are all hingedly connected at below the back rest, left sowing profiling back link connects and is connected with ditching, ridging device with the right sowing profiling back link other end, left sowing profiling front rod, right sowing profiling front rod, left sowing profiling back link and right sowing profiling back link form parallelogram lindage, and left spring damper is connected with left sowing profiling back link, and right spring damper is connected with right sowing profiling back link,
Described profiling mechanism sensor comprises the gauge finder be hinged on ditching, ridging device, ditching, ridging device is provided with left profiling and rotates hanger and right profiling rotation hanger, left profiling rotates between hanger and right profiling rotation hanger and is provided with Profile Slide Valve, left profiling adjustment of sensitivity bar, one end of right profiling adjustment of sensitivity bar and Profile Slide Valve driving rod is connected with gauge finder respectively by hanger, the postmedian of left profiling adjustment of sensitivity bar rotates hanger with left profiling and is connected, the other end of left profiling adjustment of sensitivity bar and left profiling rotate sheathed left profiling adjustment of sensitivity spring between hanger, the postmedian of right profiling adjustment of sensitivity bar rotates hanger with right profiling and is connected, the other end of right profiling adjustment of sensitivity bar and right profiling rotate sheathed right profiling adjustment of sensitivity spring between hanger, the other end of Profile Slide Valve driving rod is connected with Profile Slide Valve.
4. according to claim 3 take wheel tractor as the paddy field synchronous earthing ditching, ridging seed-sowing machine of power, it is characterized in that: described left spring damper comprises left damping major axis, left damping spring and anticlockwise hanger, right spring damper comprises right damping major axis, right damping spring and right rotation hanger; Wherein, left damping spring one end is hingedly coupled on left sowing profiling back link, and the left damping spring other end is through anticlockwise hanger, and right damping spring one end is hingedly coupled on right sowing profiling back link, and the right damping spring other end is through right rotation hanger.
5. according to claim 3 take wheel tractor as the paddy field synchronous earthing ditching, ridging seed-sowing machine of power, it is characterized in that: described ditching, ridging device comprises trench digging base plate, retaining ditch plough and seed furrow plough; Wherein, retaining ditch plough and seed furrow plough are arranged on bottom trench digging base plate separately, and gauge finder is hinged on trench digging base plate, left sowing profiling back link and right sowing profiling back link one end and base plate chain connection of ditching.
6. according to claim 5 take wheel tractor as the paddy field synchronous earthing ditching, ridging seed-sowing machine of power, it is characterized in that: described seeding apparatus comprises crossbeam, plants case, seeding unit, seeding mouth, support, feed shaft and seeding unit drive sprocket; Wherein, seeding unit is on rear side of crossbeam, feed shaft is vertically mounted on crossbeam, equidistant or the Unequal distance of feed shaft axis, connect with shaft coupling between adjacent feed shaft, the sowing port of each seeding unit lower end is just to each seed furrow, planting case is installed on directly over seeding unit, plant box number equal with seeding unit, crossbeam is arranged on directly over support, and pedestal lower end is arranged on trench digging base plate.
7. according to claim 6 take wheel tractor as the paddy field synchronous earthing ditching, ridging seed-sowing machine of power, it is characterized in that: described hydraulic system comprises oil pump gearbox, oil pump, hydraulic oil container, earthing hydraulic motor, seeding unit hydraulic motor, profiling drive oil cylinder, overflow valve, screw feeder choke valve, seeding choke valve, Profile Slide Valve and hydraulic oil pipe; Wherein, oil pump gearbox is located in frame, the output shaft of oil pump gearbox is connected with the power shaft of oil pump, oil pump drives oil cylinder and hydraulic oil container to form hydraulic circuit by hydraulic oil pipe and earthing hydraulic motor, seeding unit hydraulic motor, Profile Slide Valve, screw feeder choke valve, seeding choke valve, overflow valve, profiling, earthing fluid motor-driven left screw feeder covering device and right screw feeder covering device, seeding unit hydraulic motor is connected with seeding unit drive sprocket, and profiling drives oil cylinder to be connected with earthing driving crank.
8. according to claim 3 take wheel tractor as the paddy field synchronous earthing ditching, ridging seed-sowing machine of power, it is characterized in that: described Profile Slide Valve driving rod laterally offers adjustment hole, and adjustment hole is connected with Profile Slide Valve by pin.
CN201310039909.3A 2013-01-31 2013-01-31 Paddy field direct sowing machine synchronous in covering soil, ditching and ridging powered by wheeled tractor Active CN103098590B (en)

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