CN1324936C

CN1324936C - Side bending knife type deep soil loosening machine

Info

Publication number: CN1324936C
Application number: CNB2004100002338A
Authority: CN
Inventors: 王晓燕; 李洪文; 王丽杰; 高焕文; 刘丹; 何进
Original assignee: China Agricultural University
Current assignee: China Agricultural University
Priority date: 2004-01-09
Filing date: 2004-01-09
Publication date: 2007-07-11
Anticipated expiration: 2024-01-09
Also published as: CN1555669A

Abstract

The present invention discloses a side bending knife type deep scarification machine which belongs to the technical field of agricultural machinery. The present invention is composed of a machine frame, side bending deep scarification knives, a land wheel and grass cutting circular discs, wherein the grass cutting circular discs and the side bending deep scarification knives occur in groups and are respectively fixed on a beam of the machine frame by a fastening device, the grass cutting circular discs are positioned on the right front part of the side bending deep scarification knives, a curved knife has an inclination angle of 40 to 50 DEG and presents the shape of a parabolic curve, a knife body causes furrows to be naturally crushed and fall down at the back parts of the scarification knives at the time of advancing, and soil layers are not disturbed. The front part of a monomer of each side bending deep scarification knife is provided with the grass cutting circular disc to avoid that straws and weeds are wound on the deep scarification knives to cause blockage. The ground entrance positions of the side bending deep scarification knives can turn aside sowing rows, which is good for enhancing seeding quality; the relative positions of the deep scarification knives in different bias directions and the spacing among the deep scarification knives are adjustable, which is used for adjusting scarification positions and range. Compared with the prior art, the machine has the advantages of labour saving at the time of scarification, small work resistance, small disturbance of ploughing layer soil and smooth earth surface after deep scarification operation; the present invention is good for avoiding wind erosion, water erosion, water storage and the preservation of soil moisture.

Description

Lateral bending cutter formula subsoiler

Technical field

The invention belongs to agricultural machinery technological field, particularly a kind of lateral bending cutter formula subsoiler that uses with tractor.

Background technology

Agricultural land soil is stepped on and farm machinery walking meeting overcompaction owing to stepping on of people and animals; For the plot of turning over throughout the year, form hard, closely knit tillage pan in the topsoil bottom.Soil compaction and tillage pan cause the soil pore space to reduce, the seepage of water and the gas permeability of soil have been influenced, and have influence on the growth of crop root and absorbing of crop soil moisture, cause problems such as crop failure, drought-resistant ability reduction and water and soil loss, soil degradation.Soil subsoiling is one of important farmland mechanized project, can break tillage pan, eliminates the soil packing effect, improves the structure and the water properties of soil.

Spade and chisel edge produce extruding to both sides soil during existing cutter shovel subsoiler operation, cause the local soil compacting, and resistance are big, the energy consumption height.This class subsoiler loosens the soil and is limited in scope, and the face of land has large clod and big slit after the operation.

Bury in existing subsoiler subsoiling component vertical face of land in horizontal vertical plane, the position of burying promptly is a sowing band of wanting dark pine, thus can sowing with on stay big vertical slit, influence seeding quality, also influence and retain and conserve soil moisture.

The northern area of China is actively promoted the Mechanized Conversation Tillage technology in recent years, requires the face of land to keep a large amount of crops straws and covers.When the stalk mulched ground carries out dark loose operation, because the stalk amount is very big, be wrapped in easily on the dark loose workpiece, form stalk and stop up.In the subsoiler of China's development at present, also there is not effectively to solve the subsoiler of stalk blockage problem.

Summary of the invention

The objective of the invention is at the deficiencies in the prior art, provide that tillage resistance is little, face of land disturbance is little, stalk disposal ability height, pine soil depth and scope is adjustable, a kind of lateral bending cutter formula subsoiler of grading after the operation, form by frame, the dark loose cutter of lateral bending, gauge wheel and chaffcutter disk.It is characterized in that: chaffcutter disk 5 occurs in groups with the dark loose cutter 1 of lateral bending, is fixed on the crossbeam 9 of frame 7 by affixed device 6 and fastener 2 respectively, and chaffcutter disk 5 is positioned at the dark loose cutter of lateral bending 1 dead ahead, and land wheel 3 is fixed on the crossbeam 9 by affixed device 8.Support bar 4 is fixed on two curb girders of crossbeam 9 of frame 7.

The dark loose cutter of described lateral bending is made up of straight knife 10, tulwar 11 and bed plate 12; Straight knife 10, tulwar 11 and bed plate 12 all have removable blade 13; Tulwar 11 has 40～50 ° inclination angle (generally getting 45 °) in horizontal vertical plane, in vertical vertical plane is the parabolic curve shape, cutter hub produces light and slow lifting campaign to Tu Fa when advancing, Tu Fa is fragmentation and drop to the cutter rear of loosening the soil naturally along the cross section of destructible, do not upset soil layer, reduced of the extruding of dark loose cutter soil.To back upper place inclination earth lifting angle α, tulwar is to back upper place inclination cutting angle β in vertical vertical plane for bed plate.The angular range of α is 15～45 °, generally gets about 20 °; The angular range of β is 0～20 °, generally gets about 15 °.

The dark loose cutter of described lateral bending is bent left and curved to the right equal and symmetrical installation of dark loose cutter number when mounted.

The invention has the beneficial effects as follows that 1. lateral bending cutter formula subsoilers can adjust the relative position of the dark loose cutter of different skew directions according to actual needs, change cutter group arrangement, adjust the loosen the soil position and the scope of loosening the soil; The spacing that can adjust between each dark loose cutter changes the coefficient that loosens the soil.Mainly soil is carried out sword when this machine loosens the soil and cut, more laborsaving.2. the dark loose cutter of lateral bending buries and can avoid the sowing row, does not stay major groove or vertical slit in the sowing position, and grading after the operation is of value to the raising seeding quality; Side edge can be at underground cut-out root stubble simultaneously.3. the chaffcutter disk is installed in the dark loose cutter monomer of each lateral bending the place ahead, is prevented from that stalk, weeds are wrapped on the dark loose cutter to result in blockage.4. can keep a large amount of stalks on the face of land, help preventing wind erosion, water erosion helps retaining and conserveing soil moisture.

Accompanying drawing is described

Fig. 1 is the main TV structure schematic diagram of lateral bending cutter formula subsoiler.

Fig. 2 is the side-looking structural representation of lateral bending cutter formula subsoiler.

Fig. 3 a is the dark loose knife structure schematic diagram of lateral bending; Fig. 3 b is that the A of Fig. 3 a is to view; Fig. 3 c is the vertical view of Fig. 3 a.

Embodiment

The present invention be directed to the deficiencies in the prior art, provide that tillage resistance is little, face of land disturbance is little, stalk disposal ability height, pine soil depth and scope is adjustable, a kind of lateral bending cutter formula subsoiler of grading after the operation, form by frame, the dark loose cutter of lateral bending, gauge wheel and chaffcutter disk.Its chaffcutter disk 5 occurs in groups with the dark loose cutter 1 of lateral bending, is fixed on the crossbeam 9 of frame 7 by affixed device 6 and fastener 2 respectively, and chaffcutter disk 5 is positioned at the dark loose cutter of lateral bending 1 dead ahead, and curved left and curved to the right dark loose cutter 1 quantity equates and symmetry is installed; Land wheel 3 is fixed on the crossbeam 9 by affixed device 8.Support bar 4 is fixed on two curb girders of crossbeam 9 of frame 7 (as shown in Figure 1 and Figure 2).The dark loose cutter 1 of above-mentioned lateral bending is made up of straight knife 10, tulwar 11 and bed plate 12; Straight knife 10, tulwar 11 and bed plate 12 all have removable blade 13 (shown in Fig. 3 a/b/c), tulwar 11 has 40～50 ° inclination angle (generally getting 45 °) in horizontal vertical plane, in vertical vertical plane is the parabolic curve shape, cutter hub produces light and slow lifting campaign to Tu Fa when advancing, Tu Fa is fragmentation and drop to the cutter rear of loosening the soil naturally along the cross section of destructible, do not upset soil layer, reduced of the extruding of dark loose cutter soil.To back upper place inclination earth lifting angle α, tulwar is to back upper place inclination cutting angle β in vertical vertical plane for bed plate.The angular range of α is 15～45 °, generally gets about 20 °; The angular range of β is 0～20 °, generally gets about 15 °.Frame 7 comprises crossbeam 9 and hanger bracket, and complete machine is that trifilar suspension is connected with tractor.Land wheel 3 play simultaneously gauge wheel effect, the height that can be by adjusting land wheel 3 and the length of hanger bracket upper connecting rod be regulated pine soil depth.

Chaffcutter disk 5 occurs in groups with the dark loose cutter 1 of lateral bending, and chaffcutter disk 5 is positioned at the dark loose cutter of lateral bending 1 dead ahead, is used to cut off the stalk and the weeds in dark loose cutter the place ahead, avoids being wrapped on the dark loose cutter resulting in blockage.Dark loose cutter need not brought soil in the sowings between the two row root stubbles, and the sowing row can be avoided in the dark loose cutter of the lateral bending position of burying, and does not stay major groove or vertical slit in the sowing position, and grading after the operation is of value to the raising seeding quality; Side edge can be at underground cut-out root stubble simultaneously.

Can adjust the relative position of the dark loose cutter of different skew directions according to actual needs, change cutter group arrangement, adjust the loosen the soil position and the scope of loosening the soil.When using 4 groups of dark loose cuttves, dark loose cutter group inclination direction just has 4 kinds of various combination schemes.The spacing that can adjust between each dark loose cutter changes the coefficient that loosens the soil.

The present invention compared with prior art, working resistance is little, the topsoil soils disturbance is little, the face of land is flat behind the Subsoiler Whole, there is not large clod, do not stay major groove on the face of land of lower batch of sowing, be conducive to improve seeding quality, can be on the face of land Keep a large amount of stalks, be suitable for the few no-tillage ground that stalk covers, be conducive to prevent wind erosion, water erosion is conducive to retaining Soil moisture conservation.

Claims

1. lateral bending cutter formula subsoiler, the chaffcutter disk (5) of described subsoiler is fixed on the crossbeam (9) of frame (7) by affixed device (6) and fastener (2) respectively with the dark loose cutter of lateral bending (1), chaffcutter disk (5) is positioned at the dark loose cutter of lateral bending (1) dead ahead, and land wheel (3) is fixed on the crossbeam (9) by affixed device (8); Support bar (4) is fixed on two curb girders of crossbeam (9) of frame (7); It is characterized in that: described chaffcutter disk (5) occurs in groups with the dark loose cutter of lateral bending (1), and the dark loose cutter of lateral bending (1) is made up of straight knife (10), tulwar (11) and bed plate (12), and straight knife (10), tulwar (11) and bed plate (12) all have removable blade (13); Tulwar (11) has 40～50 ° inclination angle in horizontal vertical plane, be the parabolic curve shape in vertical vertical plane; To back upper place inclination earth lifting angle α, tulwar is to back upper place inclination cutting angle β in vertical vertical plane for bed plate; The angular range of α is 15～45 °, and the angular range of β is 0～20 °.