CN201039672Y

CN201039672Y - Straw chopping, stubbling and rotary tillage combined type agricultural equipment and complete set gear case

Info

Publication number: CN201039672Y
Application number: CNU2007201014331U
Authority: CN
Inventors: 李进学
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-28
Filing date: 2007-05-28
Publication date: 2008-03-26
Anticipated expiration: 2017-05-28

Abstract

The utility model discloses a combined agricultural implement with straw chopping, stubble cleaning and rotary tillage, which comprises a rack and a rotary cultivator assembly fixed below the backside of the rack. A lower power output shaft of the dragging gear box is connected with the driving shaft in the rotary cultivator through the transmission parts. The improved design is that: the rack parts that extend forwards position a straw chopping and stubble cleaning mechanism. A driven shaft is wrapped in the structure. A crank wheel fixed on the driven shaft, a connecting rod cutting knife hinged with the crank wheel and a guide connecting rod hinged on the connecting rod cutting knife and the crossbeam in the front of the rack form a four bar linkage mechanism. A straw compression roller positioned below the front part of the rack and an upper power output shaft of the dragging gear box are connected with the driven shaft of the four bar linkage mechanism through belt pulley. The critical design is to design a special dragging gear box for the combined agricultural implement. The power output shaft inside the gear box that is connected with the input shaft of the tractor is arranged in the middle part of the transmission case and two power output shafts that are vertical to the input shaft are respectively arranged at the upper and lower sides of the input shaft.

Description

Stalks cutting, stubble-cleaning and rotary tillage combined type farm machinery and associated gear case

Technical field

The invention discloses a kind of farm machinery of farm work, a kind of specifically stalks cutting, stubble-cleaning and rotary tillage combined type farm machinery and associated gear case thereof.

Background technology

Along with the continuous development of scientific and technological level, the agricultural machinery automation has more and more entered into the production field in vast rural area.The particularly production of corn occupies critical role at grain and field of fodder.But the harvesting machinery of corn also lags far behind the harvesting machinery of wheat, and the farm work automaticity does not also reach 50%.Though plough, rake, plough, plant and all have the machine of independent operation to drag farm machinery, efficient is low, operation is loaded down with trivial details, energy waste is serious.Rotary tillage arrangement and straw are pulverized, stubble-cleaning is two big operations of corn field management, though the facility that drag of comparative maturity are all arranged at present, common defective are arranged all, and promptly the energy of Xiao Haoing is bigger.At present, stalk cutting and returning machine commonly used, a kind of is and the matching used hammer mill of large sized tractor that its shortcoming is that the power of general medium and small tractor does not satisfy his requirement owing to the rotating speed height; A kind of is that hob type cuts up and farmland returned machine, and its shortcoming is that its hobboing cutter enters in the face of land easily, and power hungry is also bigger; Another is the cutter-type straw cutting apparatus.But no matter which kind of mode of employing, the stalk while chopped all can not be embedded in the field completely by fine.The design comparative maturity of rotovator under comparing, but bigger to power input power demand, higher to the demanded power output of tractor.So, though the combined type farm machinery of stalks cutting, stubble-cleaning and rotary tillage occur, twice operation must be reduced to one time, reducing walking wastes, time-saving energy-saving, but the no one does, and reason is theoretical proof stalks cutting, stubble-cleaning and the rotary tillage combination power draw considerably beyond the main flow tractor of present farm work.

Summary of the invention

At the deficiencies in the prior art, the invention provides a kind of stalks cutting, stubble-cleaning and rotary tillage combined type farm machinery, make under the dragging of existing supporting main flow tractor that stalks cutting, stubble-cleaning and rotary tillage are disposable to finish.Realization is gone back to the field fully to stalk, and is simple in structure, easy to use.

Basic design of the present utility model is to select for use the lightest Straw cutting machine structure to do compound on the structure of that be mature on the whole and drawing type rotovator tractor and improve design, strives for the low power consumption of high efficiency under rotating.Comprise frame in the structure of the present utility model, be fixed on the rotovator assembly of the frame back lower place, the following power take-off that drags in the gear-box that is fixed on frame top is connected by drive disk assembly with the traction drive axle with the cutter that revolves in the rotovator, crucial design is: stalks cutting of positioning parts that this device extends forward by means of frame, stubble-cleaning mechanism, comprise the driven shaft that is positioned on the frame forward extension spare in this mechanism structure, by the crankwheel on being fixed on the driven shaft, the connecting rod cutting knife hinged with crankwheel, the quadric chain that the guide link of hinge on connecting rod cutting knife and forebay formed, and being positioned at straw pressure roller on the frame front end cross beam, the last power take-off that drags gear-box is connected by belt pulley with the driven moving axis of this mechanism.

Be positioned at frame the place ahead four-bar linkage structure under the driving that drags gearbox output shaft, swing at the residing perpendicular of this mechanism, thereby drivening rod cutting knife head is back along locating to inject in the ground, simultaneously pressure roller being ground and the straw that compresses chopping pressure roller, the result who continues swing is that the cutting knife head sticks up ground, the root stubble can be routed up, wait until the rotovator of back and further handle.

Key in the design of the present utility model also is to have designed especially transmission mechanism, the particularly special-purpose gear-box that drags.

Has the gear-box that drags a kind of and stalks cutting, stubble-cleaning and the use of rotary tillage combined type complete set of farm machines and tools among the design, have power take-off and power input shaft in the structure, be provided with the intermeshed gear group between output shaft and the power shaft, key is that the power input shaft that is connected with tractor output shaft is positioned at the gearbox middle part, is provided with two power take-offs vertical with this at the upper and lower of this power shaft.Thereby be adapted to the driving needs of two mechanisms that two kinds of rotating speeds and moment of torsion differ greatly.

Owing to adopted and high efficiencyly drag gear and succinct shredder mechanism rotary tillage mechanism has realized combination, the constraint of having broken traditional concept has realized that medium-sized tractor drags down in the technique scheme, and one-stop operation is put in stalks cutting, stubble-cleaning and rotary tillage in order.Chopping back straw is directly imbedded in the soil, and that has realized stalk goes back to the field fully; Adopt the swing cutter structure owing to cut stalk mechanism, under the effect of pressing roller, to stalk shred, behind the stubble-cleaning, promptly by spinning off in the soil, just the time of contact of cutting knife and soil very short, energy consumption is low.Therefore, effectively reduced to cut the power demand of stalk structure; Owing to adopt gear-box to drive rotary tillage mechanism simultaneously and cut the stalk motion of mechanism, make and cut stalk, stubble-cleaning and plane the ground and accomplish without any letup that efficient is higher, use cost is lower.

Description of drawings

Fig. 1 is the structural representation under the side line of vision of rotovator of the present invention;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the drive connection schematic diagram that drags gear-box.

1 represents frame in the accompanying drawing, 1A represents the frame front end cross beam, and 1B represents the crossbeam of frame top, 2 represent above frame 1 front end with the supporting detent mechanism that is connected of tractor hitch, 3 represent the pressure roller of frame 1 front end below, 4 represent the connecting rod cutting knife, and 5 represent guide link, and 6 represent the cutting knife head of connecting rod cutting knife, 7 representatives are positioned at the rotovator hood on the frame, 8 representatives drag gear-box, and 9 representatives are fixed on the belt pulley of output shaft, the entablature of the fixed bearing block in the 12 machine representation shelf structures, 13, the crankwheel of fixing on 15 driven shafts of representing in the shredder mechanism, 14 represent belt, the bearing block of 16 representative location driven shafts, and 17 represent the driven shaft in the shredder mechanism, the hinged minor axis of 18 representatives, 19,20 represent middle variable-speed shaft, and 191,201 represent bevel gear, 192,202 represent change-speed gearing, and 21 represent the straw righting mechanism, and 22 representatives are output shaft down, output shaft is gone up in 23 representatives, 221,231 represent change-speed gearing, and 222 represent bearing block.

Below in conjunction with accompanying drawing and provide embodiment and further specify and the objective of the invention is how to realize.

Embodiment

Comprise frame 1 in the utility model structure as can be seen with reference to accompanying drawing, be fixed on the rotovator assembly of the frame back lower place, the following power take-off 23 that drags in the gear-box 8 that is fixed on frame top is connected by drive disk assembly with the traction drive axle with the cutter that revolves in the rotovator.Crucial improvement is: the positioning parts that this device extends forward by means of frame 1 stalks cutting, stubble-cleaning mechanism.Comprise in this mechanism structure and be positioned at the driven shaft 17 that prolongs before the frame on the parts, by be fixed on crankwheel 13 on the driven shaft, with the hinged connecting rod cutting knife 4 of crankwheel 13, the quadric chain that the guide link 5 of hinge on connecting rod cutting knife 4 and frame front end cross beam 1A formed, and the straw pressure roller 3 that is positioned at frame front end below, the last power take-off 22 that drags gear-box 8 and the driven shaft of this mechanism 17 are connected by belt pulley.

Further observe as can be seen from accompanying drawing 2, more than quadric chain in the said stalks cutting, stubble-cleaning mechanism have the 3-4 group, every group of two quadric chains, axial symmetry are arranged on the same driven shaft 17, the formation cutting knife replaces 180 ℃ of whereabouts, also intersection is landed in the back of nip roll 3, and one of them crankwheel 13 promptly uses as driven pulley.

Said stalks cutting, stubble-cleaning and rotary tillage combined type farm machinery, it is characterized in that the connecting rod cutting knife 4 in the quadric chain in said stalks cutting, the stubble-cleaning mechanism has a flat chisel shape cutting knife head 6 of widening, the width sum total of all flat chisel shape cutting knife heads 6 is not less than the length of pressure roller 3.

More than the said gear-box 8 that drags have two power take-offs (22,23) and a power shaft, the bevel gear 24 that connects tractor output shaft by means of power shaft be sleeved on upper and lower jackshaft (19,20) and go up bevel gear and nibble (191,201) close 90 ℃ of transmission break-ins of realization, pass through driving shaft (19 up and down again, 20) speed change intermediate gear (192 on, 202) and be fixed on upper and lower power transmission shaft (22,23) change-speed gearing on (221,231) engagement forms double speed, double dynamical output shaft structure.

More than last power take-off (22) in said two power take-offs that drag gear-box 8 by means of the bearing block (222 at two ends, 232) be fixed on the crossbeam of frame 1 top on the 1B, power take-off 22 be provided with stalks cutting, stubble-cleaning mechanism in the corresponding supporting belt pulley 9 of quadric chain group.

Two adjacent connecting rod cutting knifes 4 in the quadric chain keep the position relation of opposing parallel translation on the same group.

In crossbeam 1A bottom, the place ahead of frame 1 pectination erection device 21 is installed.

Frame 1 is provided with the be connected detent mechanism 2 supporting with the tractor hitch.

Ben is the matching used gear-box that drags, have power take-off and power input shaft in the traditional structure, output shaft go out and power shaft between be provided with the intermeshed gear group, the design's key is that the power input shaft that is connected with tractor output shaft is positioned at the gearbox middle part, upper and lower at this power shaft is provided with two power take-offs vertical with this (22,23).

The governor gear (192,202) that upper and lower power take-off (22,23) is provided with on idler gear (221,231) and the jackshaft (19,20) is meshing with each other, and the bevel gear on the jackshaft (191,201) is meshed with break-in bevel gear 24 on the power shaft.

During use, with after this device docks, the bevel gear 24 in the power take-off driven gear case 8 of tractor rotates with tractor, and by being sleeved on down power take-off 23 and rotary tillage mechanism driving shaft 19 interlocks, drives rotary tillage and ties motor-driven mechanical axis 19 and rotate.Last power output continent 22 drives driven pulley/crankwheel (13/15) rotation by belt pulley 9, thereby when tractor travels forward, under the effect of centralizer 21, after the stalk that falls loosing is made in order, by compressing of pressure roller 3, the perching knife swing that realizes shredder mechanism is cut stalk, and the action by rotary tillage mechanism, stalk after the cutting is reduced in Tanaka, realize rotary tillage arrangement simultaneously the soil.

Claims

1. stalks cutting, stubble-cleaning and rotary tillage combined type farm machinery, comprise frame (1) in the structure, be fixed on the rotovator assembly of frame (1) back lower place, be fixed on frame top drag in a following power take-off (23) and the rotovator in the gear-box (8) in the cutter that revolves be connected by drive disk assembly with the traction drive axle, it is characterized in that: the positioning parts that this device extends forward by means of frame (1) stalks cutting, stubble-cleaning mechanism, comprise in this mechanism structure and be positioned at the driven shaft (17) that prolongs before the frame on the parts, by the crankwheel (13) that is fixed on the driven shaft (17), the connecting rod cutting knife (4) hinged with crankwheel (13), be hinged on the quadric chain that the guide link (5) on connecting rod cutting knife (4) and the frame front end cross beam (1A) is formed, and the straw pressure roller (3) that is positioned at frame front end below, dragging the last power take-off (22) of gear-box (8) and the driven shaft (17) of this mechanism connects by belt pulley (9,13).

2. according to the said stalks cutting of claim 1, stubble-cleaning and rotary tillage combined type farm machinery, it is characterized in that the quadric chain in said stalks cutting, the stubble-cleaning mechanism has the 3-4 group, every group of two quadric chain axial symmetry are arranged on the same driven shaft (17), form alternately 180 ℃ of whereabouts of cutting knife head (6), and intersect and to land in the back of pressure roller (3), two one of them crankwheels of quadric chain promptly use as driven pulley.

3. according to claim 1 or 2 said stalks cuttings, stubble-cleaning and rotary tillage combined type farm machinery, the connecting rod cutting knife (4) that it is characterized in that quadric chain in said stalks cutting, the stubble-cleaning mechanism has a flat chisel shape cutting knife head (6) of widening, and all the width of flat chisel shape cutting knife head (6) sum total is not less than the length of pressure roller (3).

4. according to the said stalks cutting of claim 1, stubble-cleaning and rotary tillage combined type farm machinery, it is characterized in that the said gear-box (8) that drags has two power take-offs (22,23) and a power shaft, the bevel gear (24) that connects tractor output shaft by means of power shaft be sleeved on, following jackshaft (20,19) go up bevel gear (201,191) engagement realizes 90 ℃ of transmission break-ins, again by jackshaft (20,19) speed change intermediate gear (202 on, 192) and be fixed on, lower drive shaft (22,23) change-speed gearing on (221,231) engagement forms double speed, double dynamical output shaft structure.

5. according to the said stalks cutting of claim 1, stubble-cleaning and rotary tillage combined type farm machinery, it is characterized in that the last power take-off (22) in said two power take-offs that drag gear-box (8) is fixed on the crossbeam (1B) of frame (1) top by means of the bearing block (222) at two ends, the corresponding supporting belt pulley of quadric chain group number (9) on the last power take-off (22) in setting and stalks cutting, the stubble-cleaning mechanism.

6. stalk cutting stubble-cleaning field-returning machine according to claim 1 is characterized in that: the two adjacent connecting rod cutting knifes (4) in the quadric chain keep the position relation of opposing parallel translation on the same group.

7. stalk cutting stubble-cleaning field-returning machine according to claim 1 and 2 is characterized in that: the place ahead crossbeam (1A) bottom in frame (1) is equipped with pectination erection device (21).

8. stalk cutting stubble-cleaning field-returning machine according to claim 1 is characterized in that: be provided with the be connected detent mechanism (2) supporting with the tractor hitch in frame (1).

9. one kind drags gear-box with stalks cutting, stubble-cleaning and rotary tillage combined type complete set of farm machines and tools are used, have power take-off and power input shaft in the structure, be provided with the intermeshed gear group between output shaft and the power shaft, it is characterized in that the power input shaft that is connected with tractor output shaft is positioned at the gearbox middle part, upper and lower at this power shaft is provided with two power take-offs vertical with this (22,23).

10. the gear-box that drags according to claim 9, it is characterized in that upper and lower power take-off (22,23) be provided with idler gear (221,231) with jackshaft (20,19) governor gear on (202,192) meshes respectively, jackshaft (19,20) bevel gear on (191,201) is meshed with break-in bevel gear (24) on the power shaft.