CN201222885Y

CN201222885Y - Air-suction type precision grain drill for protective ground tilling

Info

Publication number: CN201222885Y
Application number: CNU2008200139940U
Authority: CN
Inventors: 于震宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-11
Filing date: 2008-07-11
Publication date: 2009-04-22
Anticipated expiration: 2018-07-11

Abstract

The utility model relates to a sowing machine, in particular to an air-aspiration type protected field cultivation precision seeding machine. A gearbox is arranged at the upper part of the front frame of the air-aspiration type protected field cultivation precision seeding machine; a transmission shaft is arranged in the gearbox; a transmission wheel is arranged on the transmission shaft; a driven shaft is arranged at the lower part of the front frame; a pluridentate disk blade is arranged at the front end of the driven shaft, and a driven wheel is arranged at the middle part of the driven shaft; the driven wheel is driven by the transmission wheel in the gearbox; a disk is arranged at the rear part of the driven shaft; a hammer cutter is arranged on the disk; the disk and the hammer cutter are arranged in the broken-line casing at the lower part of the front frame; and an air-aspiration type sowing machine is arranged at the rear end of the front frame.

Description

Air suction type protected tillage precision seeder

Technical field

The utility model relates to a kind of sower, relates in particular to a kind of air suction type protected tillage precision seeder.

Background technology

Traditional sower can only carry out seeding operation in cultivated whole good plot.Before this tractor hang return straw into soil machine with the field before the stubble stalk crushing and returning, then tractor is hung rotovator again and is being carried out stubble ploughing, rotary tillage.Tractor is hung several farm implements and is being carried out single-phase operation again and again with advancing, has destroyed plough horizon, and oil consumption is multiplied; manually, machinery equipment has high input; comparative benefit has been lacked, for overcoming above-mentioned drawback, exploitation research and development air suction type protected tillage precision seeder.

The utility model content

Provide a kind of air suction type protected tillage precision seeder for solving the problems of the technologies described above the utility model, purpose is to reduce the time and the number of times of stubble-cleaning, increases work efficiency.

For reaching above-mentioned purpose the utility model air suction type protected tillage precision seeder, the top of mmi machine frame is provided with gearbox, be provided with power transmission shaft in the gearbox, power transmission shaft is provided with drive, and the below of forebay is provided with driven shaft, the front end of driven shaft is provided with multiple tooth cylinder blade, the middle part of driven shaft is provided with driven pulley, and driven pulley is driven by the drive in the gearbox, and the rear portion of driven shaft is provided with disk, disk is provided with the hammer cutter, and disk and hammer cutter are provided with in the broken line shape casing of forebay below; The rear end of mmi machine frame is provided with pneumatic seeder.

Power transmission shaft in the described gearbox is divided into driving shaft and speed change jackshaft, driving shaft stretches out gearbox and is connected with power source, driving shaft is provided with two driving wheels, and two driving wheels drive the change pulley on the speed change jackshaft of both sides respectively, and change pulley drives the driven pulley of forebay below.

Described driving wheel, change pulley and driven pulley are sprocket wheel or belt pulley, pass through chain or belt transmission between driving wheel, change pulley and the driven pulley; Speed change jackshaft, change pulley, driven shaft and driven pulley are two, and the disk that the driven shaft rear portion is provided with is two, are provided with the positioning sleeve that is enclosed within on the driven shaft between two disks.

Hammer cutter on the described disk is fixed or is hammered into shape cutter and is fixed by bolts on the disk by bearing pin, each disk is provided with four hammer cuttves, and adjacent hammer cutter holder angle is 90 °, the hammer cutter turning radius can 200 to 600mm between.

The revolution of described driven shaft goes between 1200 commentaries on classics at per minute 300.

The import of described broken line shape casing and outlet inwall are close sawtooth, and the close zigzag fashion of import and outlet inwall is a triangle, and the zigzag fashion of the inwall between import and the outlet is trapezoidal.

Described speed change jackshaft is identical with the ridge ditch quantity of farming simultaneously with the quantity of driven shaft.

The described multi-gear cylinder blade outside is provided with the gland that is enclosed within on the driven shaft, and the outside of gland is fixed with nut.

The both sides of described forebay below are provided with land wheel, land wheel is located at an end of connecting lever axle, the other end of connecting lever axle is fixed in the land wheel support arm, the land wheel support arm is fixed on the roof beam structure of back, the connecting lever axle is provided with rear main wheel, rear main wheel drives breast wheel, and breast wheel drives intermediate propeller shaft, and intermediate propeller shaft is taken turns gentle suction seeding unit for the fertilising of pneumatic seeder power is provided.

Be welded with gusset piece on the described forebay, back roof beam structure is fixed on the gusset piece with U-shaped card silk, combined seed and fertilizer drill is connected with the back roof beam structure, the rear end of mmi machine frame is provided with the breaking deep-fertilizing furrow opener, be with the deep-fertilizing furrow opener storehouse on the breaking deep-fertilizing furrow opener, with screw fixedly breaking deep-fertilizing furrow opener and deep-fertilizing furrow opener storehouse.

Advantage of the present utility model and beneficial effect:

Tractor hangs air suction type protected tillage precision seeder, can accomplish with once advancing straw cutting and grinding, stubble-cleaning also field, deep placement fertilizer, precise sowing, hold up a plurality of events in operation such as soil pressure reality.With former stubble straw, weeds chopping, the evenly diffusing ridge ditch in shop, or whole bar cuts off and moves to adjacent ridge ditch by machinery drive workpiece, and the ridge platform does not have straw and weeds, is deep-fertilizing furrow opener, and seed opener is created the good working condition.These facility can be realized the application of protection ground farming technique.The peasant can see direct economic benefit, as reducing the operation number of times, has reduced production cost, stablize crop yield etc., with sustainable development benefit, straw, stubble in field, reduce water, fertilizer, soil loss, increased soil with organic matter content, do not burn straw, reduced environmental pollution, save seed, deep placement fertilizer is fully used, and will bring bigger economic benefit and social benefit for agriculture-countryside-farmer's service.

Description of drawings

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

Fig. 2 is an A-A profile among Fig. 1.

Among the figure 1, forebay; 2, following suspension; 3, positioning sleeve; 4, nut; 5, change pulley; 6, driven shaft; 7, gland; 8, multiple tooth cylinder blade; 9, bearing; 12, driven pulley; 16, sleeve pipe; 21, V-arrangement press wheel; 23, aspiration seeding unit; 27, defertilizing wheel; 29, go up suspension; 30, back roof beam structure; 32, breaking deep-fertilizing furrow opener; 33, deep-fertilizing furrow opener storehouse; 34, fastening bolt; 35, arm-tie; 36, gearbox; 37, gearbox loam cake; 38, spacer sleeve; 39, go up hanger bracket; 41, driving wheel; 44, driving shaft; 47, broken line shape casing; 48, disk; 49, bearing pin; 50, hammer cutter; 51, connecting lever axle; 53, rear main wheel; 54, land wheel; 55, breast wheel; 56, intermediate propeller shaft; 57, land wheel support arm; 59, gearbox fixed screw; 63, speed change jackshaft; 64, gusset piece.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

As depicted in figs. 1 and 2, the utility model air suction type protected tillage precision seeder, the top of mmi machine frame 1 is provided with gearbox 36, gearbox 36 usefulness gearbox fixed screws 59 are fixed on the forebay 1, gearbox is closed, gearbox loam cake 37 usefulness bolts and casing are fixed, the front end of mmi machine frame 1 is provided with the following suspension 2 that articulates with tractor, mmi machine frame 1 top is provided with the last hanger bracket 39 that articulates with tractor, be provided with power transmission shaft in the gearbox 36 on the mmi machine frame 1, power transmission shaft is provided with drive, the below of forebay 1 is provided with driven shaft 6, the front end of driven shaft 6 is provided with multiple tooth cylinder blade 8, the middle part of driven shaft 6 is provided with driven pulley 12, and driven pulley 12 is driven by the drive in the gearbox 36, and the rear portion of driven shaft 6 is provided with disk 48, disk 48 is provided with hammer cutter 50, and disk 48 and hammer cutter 50 are provided with in the broken line shape casing 47 of forebay 1 below; The rear end of mmi machine frame 1 is provided with pneumatic seeder; Power transmission shaft in the gearbox 36 is divided into driving shaft 44 and speed change jackshaft 63, driving shaft 44 stretches out gearbox 36 and connects with power source, connect tractor motive power output shaft, driving shaft 44 links to each other with universal joint with tractor motive power output shaft, driving shaft 44 is provided with two driving wheels 41, be provided with the change pulley 5 on the speed change jackshaft 63 that 38, two driving wheels 41 of spacer sleeve drive both sides respectively between two driving wheels 41, change pulley 5 drives the driven pulley 12 of forebaies 1 below; Driving wheel 41, change pulley 5 and driven pulley 12 are sprocket wheel, between driving wheel 41, change pulley 5 and the driven pulley 12 by chain drive; Driving wheel 41, change pulley 5 and driven pulley 12 usefulness flat keys and jackscrew are fixed on the axle, every axle in the gearbox 36 all uses two cover bearings 9 to be fixed in the dead eye of gearbox 36, and withstand outer race with bearing cap, shimming between bearing cap and tank wall, be used to align the bearing clearance, and with bolt and the pad bearing cap is fastened on the casing, skeleton oil sealing is housed in bearing cap prevents leakage of oil; Speed change jackshaft 63, change pulley 5, driven shaft 6 and driven pulley 12 are two, driven shaft 6 rear portions are provided with two disks 48, be provided with the positioning sleeve 3 that is enclosed within on the driven shaft 6 between two disks 48, positioning sleeve 3 is regulated the distance between two disks 48, and the spindle nose of driven shaft 6 is fastening with pad and locking plate and anti-nut; Hammer cutter 50 on the disk 48 is fixing by bearing pin 49, each disk 48 is provided with four hammer cuttves 50, adjacent hammer cutter 50 angles are 90 °, two hammer cuttves, 50 usefulness sleeve pipes, 16 positioned at intervals on the same bearing pin 49, in accordance with regulations assembled in sequence during assembling, bearing pin 49 1 ends get final product after using hexagonal flute profile nut screwing clamping, bearing pin 49 and disk 48 no relative motions; The import of broken line shape casing 47 and outlet inwall are close sawtooth, and the close zigzag fashion of import and outlet inwall is a triangle, and the zigzag fashion of the inwall between import and the outlet is trapezoidal; The quantity of speed change jackshaft 63 and driven shaft 6 is identical with the ridge ditch quantity of farming simultaneously, if then speed change jackshaft 63 and driven shaft 6 respectively are two when working width is two ridges; If working width when being four ridges then speed change jackshaft 63 and driven shaft 6 respectively be four, all the other are fixed on the corresponding increase of sprocket wheel of diaxon by that analogy, the distance between adjacent two driven shafts 6 equates with line-spacing; Multiple tooth cylinder blade 8 outsides are provided with the gland 7 that is enclosed within on the driven shaft 6, and the outside of gland 7 is fixing with nut 4; The both sides of forebay 1 below are provided with land wheel 54, two groups of land wheels 54 of whole machine installation, working width is two ridges, two ridges of 54 interior spans of two land wheels, as working width is four ridges, then respectively there is a ridge each land wheel 54 both sides, as working width is six ridges, four ridges of 54 interior spans of two land wheels then, respectively there is a ridge its both sides, and land wheel 54 is located at an end of connecting lever axle 51, and the other end of connecting lever axle 51 is fixed in the land wheel support arm 57, land wheel support arm 57 is fixed on the roof beam structure 30 of back, connecting lever axle 51 is provided with rear main wheel 53, and rear main wheel 53 drives breast wheel 55, and breast wheel 55 drives intermediate propeller shaft 56, intermediate propeller shaft 56 is provided with V-arrangement press wheel 21 for the defertilizing wheel 27 gentle suction seeding units 23 of pneumatic seeder provide power at aspiration seeding unit 23 rears; Forebay 1 rear end is welded with gusset piece 64, back roof beam structure 30 is a square tube, back roof beam structure 30 usefulness U-shaped card silks are fixed on the gusset piece 64, pneumatic seeder is connected with back roof beam structure 30, front end at back roof beam structure 30 is provided with suspension 29, and last suspension 29 usefulness arm-ties 35 are connected with last hanger bracket 39, and the rear end of mmi machine frame 1 is provided with breaking deep-fertilizing furrow opener 32, be with deep-fertilizing furrow opener storehouse 33 on the breaking deep-fertilizing furrow opener 32, use fastening bolt 34 fixedly breaking deep-fertilizing furrow opener 32 and deep-fertilizing furrow opener storehouse 33.

Chain or belt that change pulley 5 is connected with driven pulley 12 are located in the casing, prevent outside destroy, and the center of change pulley 5 and driven pulley 12 is not on a vertical line.

Can carry out transmission with belt between the utility model driving wheel 41, change pulley 5 and the driven pulley 12.Hammer cutter 50 can be used bolt with disk 48.

Operation principle of the present utility model: the power of tractor motive power output shaft reaches gearbox through universal joint, in case through the two-stage transmission gear shift, pass to driven shaft again, facility multiple tooth cylinder blade in operation is a main working parts with the hammer cutter, its movement locus is vertical with the direction of advance of tractor, promptly rotate, moving linearly again, by the driven shaft high speed rotating, and the hammer cutter that is fixed on multiple tooth cylinder blade on the axle and the garden dish rotates together, multiple tooth garden disc blades is cut off straw earlier, stopped obstruction, and the hammer cutter of back is dispersed in the ridge ditch to broken throwing of straw hammering, when operation because during the high speed rotating of hammer cutter like same radial fan, under the booster action of inlet port negative pressure, and meet with the broken line shape casing inlet port first gang saw tooth, be subjected to once cutting, then the time through broken line shape casing inner wall, because changes of section is directed at the change of air velocity, make straw repeatedly by the hammering of hammer cutter.Shearing again when straw enters into the gap of hammer cutter and broken line shape casing gateway breaks draws effect, and is further pulverized, and after deflector protects the effect of loosing, throwing is dispersed in the ridge ditch equably; The primitive root stubble of crop is under the effect of breaking deep-fertilizing furrow opener; just in time enter the rotational trajectory of hammer cutter during with root stubble turn up; in like manner act on it is thrown the ridge ditch that looses; make and do not have straw and weeds on the ridge platform; the sowing of back, hold up each parts of soil part to work safely and reliably; could be at vertical rod, high-stubble, do not clear up plot, not rotary tillage, the situation of not ploughing soil is finished the sowing task of protection ground farming.

According to the degree of being ground into to straw and root stubble, the revolution of driven shaft can go between 1200 commentaries on classics at per minute 300; Inconsistent so the hammer cutter turning radius of each department line-spacing can 200 to 600mm between; The hammer cutter is installed in disk for moving hinge, also can be dead hinge, is two holes of boring two Kong Yuyuan dish on the hammer cutter and is bolted solid with bolt.

Claims

1, air suction type protected tillage precision seeder, the top that it is characterized in that the mmi machine frame is provided with gearbox, be provided with power transmission shaft in the gearbox, power transmission shaft is provided with drive, and the below of forebay is provided with driven shaft, the front end of driven shaft is provided with multiple tooth cylinder blade, the middle part of driven shaft is provided with driven pulley, and driven pulley is driven by the drive in the gearbox, and the rear portion of driven shaft is provided with disk, disk is provided with the hammer cutter, and disk and hammer cutter are provided with in the broken line shape casing of forebay below; The rear end of mmi machine frame is provided with pneumatic seeder.

2, air suction type protected tillage precision seeder according to claim 1; it is characterized in that the power transmission shaft in the described gearbox is divided into driving shaft and speed change jackshaft; driving shaft stretches out gearbox and is connected with power source; driving shaft is provided with two driving wheels; two driving wheels drive the change pulley on the speed change jackshaft of both sides respectively, and change pulley drives the driven pulley of forebay below.

3, air suction type protected tillage precision seeder according to claim 2 is characterized in that described driving wheel, change pulley and driven pulley are sprocket wheel or belt pulley, passes through chain or belt transmission between driving wheel, change pulley and the driven pulley; Speed change jackshaft, change pulley, driven shaft and driven pulley are two, and the disk that the driven shaft rear portion is provided with is two, are provided with the positioning sleeve that is enclosed within on the driven shaft between two disks.

4, according to claim 1 or 3 described air suction type protected tillage precision seeders, it is characterized in that hammer cutter on the described disk fixes or hammer into shape cutter and be fixed by bolts on the disk by bearing pin, each disk is provided with four hammer cuttves, and adjacent hammer cutter holder angle is 90 ⁰, the hammer cutter turning radius can 200 to 600mm between.

5, air suction type protected tillage precision seeder according to claim 3 is characterized in that the revolution of described driven shaft goes between 1200 commentaries on classics at per minute 300.

6, air suction type protected tillage precision seeder according to claim 1; the import and the outlet inwall that it is characterized in that described broken line shape casing are close sawtooth; the close zigzag fashion of import and outlet inwall is a triangle, and the zigzag fashion of the inwall between import and the outlet is trapezoidal.

7, air suction type protected tillage precision seeder according to claim 2 is characterized in that described speed change jackshaft is identical with the ridge ditch quantity of farming simultaneously with the quantity of driven shaft.

8, air suction type protected tillage precision seeder according to claim 1 is characterized in that the described multi-gear cylinder blade outside is provided with the gland that is enclosed within on the driven shaft, and the outside of gland is fixed with nut.

9, air suction type protected tillage precision seeder according to claim 1; the both sides that it is characterized in that described forebay below are provided with land wheel; land wheel is located at an end of connecting lever axle; the other end of connecting lever axle is fixed in the land wheel support arm; the land wheel support arm is fixed on the forebay, and the connecting lever axle is provided with rear main wheel, and rear main wheel drives breast wheel; breast wheel drives intermediate propeller shaft, and intermediate propeller shaft is taken turns gentle suction seeding unit for the fertilising of pneumatic seeder power is provided.

10, air suction type protected tillage precision seeder according to claim 1; it is characterized in that being welded with gusset piece on the described forebay; back roof beam structure is fixed on the gusset piece with U-shaped card silk; combined seed and fertilizer drill is connected with the back roof beam structure; the rear end of mmi machine frame is provided with the breaking deep-fertilizing furrow opener; be with the deep-fertilizing furrow opener storehouse on the breaking deep-fertilizing furrow opener, with screw fixedly breaking deep-fertilizing furrow opener and deep-fertilizing furrow opener storehouse.