CN201467696U

CN201467696U - Miniature field automatic reaper thresher

Info

Publication number: CN201467696U
Application number: CN2009200802666U
Authority: CN
Inventors: 李龙其
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-14
Filing date: 2009-04-14
Publication date: 2010-05-19
Anticipated expiration: 2019-04-14

Abstract

The utility model discloses a miniature field automatic reaper thresher which comprises a reaping and traveling mechanism, a threshing device, an air separation mechanism and a transmission mechanism. An automatic reaper capable of reaping an ear from a crop stalk and cutting the stalk from a root of the stalk is arranged in front of the threshing device; the ear is threshed by a roller (5) of the thresher and leaked from a screen (8) and enters the air separation mechanism through a conveying device; the conveying device is mounted on a frame; and the transmission mechanism is used for providing power to the conveying device. The utility model can automatically finish the reaping, the threshing and the air separation of crops in the field, thereby greatly saving the labor and having higher efficiency.

Description

Small-sized field auto-harvester thresher

Affiliated field

The utility model relates generally to a kind of farm machinery, particularly a kind of small-sized field auto-harvester thresher.

Background technology

In the known farm machinery, for adapting to the growing state of various places crops such as paddy and wheat etc., design has large, medium and small type reaper-thresher, these devices to generally include harvesting, running gear, sheller unit, pneumatic separation device and drives the transmission mechanism of said apparatus.Big-and-middle-sized reaper-thresher generally is adapted to the wide open country of northern China; and midget plant generally uses in south; the southern hills landform is more general; but in south, can finish the crops harvesting automatically; the farm machinery of threshing seldom; people use the thresher threshing after always slicing off crop with the labour again, and the saving labour is few.And the harvesting crop of labour intensity maximum is still manpower and carries out, and therefore changes this situation, improves the comprehensive service efficiency of this device, and the liberation labour is still that we expect.

The utility model content

The purpose of this utility model is to provide a kind of adaptation China southern hills area can finish crops harvesting, the small-sized field auto-harvester thresher of threshing automatically.

For finishing above-mentioned purpose; scheme of the present utility model is: be provided with one and extract the fringe head and slice off the automatically device of harvesting of stalk from root from agricultural crop straw before sheller unit; the fringe head is leaked down from screen cloth by the thresher drum threshing; enter pneumatic separator by conveying plant; described device is installed on the frame, the transmission device that power is provided to said apparatus.

Adopt such scheme, described device can be finished the harvesting of crops automatically in the field, and threshing and selection by winnowing have been saved the labour widely, and have higher efficient, have realized the purpose of this utility model.

Below in conjunction with diagram and embodiment more detailed description scheme of the present utility model.

Description of drawings

Fig. 1 is the front view of small-sized field auto-harvester thresher;

Fig. 2 is that A among Fig. 1 is to view;

Fig. 3 is the vertical view of Fig. 1;

Fig. 4 is the transmission principle figure of small-sized field auto-harvester thresher.

Embodiment

Small-sized field auto-harvester thresher as shown in Figure 1; specifically comprise device mentioned in the scheme; front end at thresher is provided with automatic reaping apparatus; comprise and be arranged on the most preceding rotation press strip 1; scissors mill blade 2 on cooperate with press strip 1 one group; reach the following scissors mill blade 3 that cuts down stalk from root; a hopper 4 of accepting the fringe head; last scissors mill blade 2 is arranged on the top of hopper 4; common horizontal positioned; following scissors mill blade 3 is arranged on the bottom of hopper 4; the fringe head that is sliced off by last scissors mill blade 2 falls into hopper 4 and enters sheller unit; described sheller unit is a microscler cylinder 5; the front end of cylinder 5 is the propeller blade 6 that is installed on the drum shaft; the stack shell of cylinder 5 is covered with the spike-tooth 7 that distributes by helix; also there is spiral spike-tooth 47 to cooperate above; the bottom of cylinder 5 is provided with screen cloth 8; described screen cloth forms a cambered surface and cooperates with the bottom of cylinder 5; eyelet is arranged on the screen cloth; allow grain and shell to leak down; and foreign material such as stalk are discharged from grass outlet 48 from the rear portion of cylinder 5, and this is not difficult to accomplish.

In threshing course, propeller blade 6 on the cylinder of high speed rotating is kicked up the fringe head and is thrown at cylinder surface, separate with shell by the spike-tooth grain, and move to the cylinder rear portion along the hand of spiral, drop on fringe head between cylinder and the screen cloth by violent rubbing effect, further particle separates with shell, passes screen cloth and falls.

The bottom of screen cloth 8 is a helix transporting device 9, described device is that a metal tape is wrapped in formation spiral scraping blade on the axle in a spiral manner, promoting particle during rotation advances, comprise grain and shell in the particle of this moment, end and a belt conveyer 10 at conveying plant join, described device 10 is supported a circle belt 13 by two cylinders 11 and 12, one of two cylinders are the drive roll that links to each other with transmission device, roll-setting gear is arranged between the cylinder, so that tightening belt, belt is provided with tooth 14, so that increase the friction in the transportation.

The end of belt conveyer links to each other with pneumatic separator, described pneumatic separator comprises a fan 15 that is installed in discharging opening, mixture such as grain and shell when discharging opening falls, lighter shell with blown out from the side mouth by wind, heavier grain falls and enters in the packaging bag.

From vertical view shown in Figure 3, can find out the linear layout of the device with various functions, device such as reaping apparatus and threshing is preceding, power set after, running gear is arranged in the centre-of-gravity range, all devices are by stent support, device such as threshing, conveying is contained in the box structure 16, the total compactness.

Fig. 4 is the power configuration of above-mentioned related device, comprise a miniature gasoline engine 17 source that is used as power, give drive 19 and drive 20 by a clutch 18 with transmission of power, two-wheeled is divided into two with power and transmits downwards, a transmission of power comprises drive 19 and passive drive 21, drive 21 place axles 22 are fixed with drive 23 and helix transporting device 9, be fixed with threshing cylinder 5 on the passive drive 24 place axles 25 that join with drive, reach and drive the eccentric 26 of cutter up and down, B has expressed this structure to view from another direction, and an eccentric stiffener drives the movable blades action of cutter up and down simultaneously.

Another transmission of power comprises drive 20 and passive drive 27, drive 27 place axles 28 are fixed with an awl tooth 29, be fixed with drive 32 and drive 33 from mantle tooth 30 place axles 31, drive 32 is by driven drive 34, be fixed with the cylinder 11 of belt transmission device on the drive 34 place axles 35 and drive the fan 15 of pneumatic separator by belt transmission, the driven pulley 36 that the drive 33 that is connected on the axle 31 connects is given axle 37 with transmission of power, be fixed with a pair roller 38 and the drive 39 of running gear on the axle 37, its driven drive 40 place axles 41 are fixed with rotation pressing strip device 1.

Need to prove, described transmission device comprises belt transmission and sprocket wheel chain drive, the boundary of these two kinds of kinds of drive is not strict, can not be because of exchanging the kind of drive simply and is considered to another technical scheme in the place of using belt transmission or chain drive, and this is understandable.

Scissors mill blade 2 and following scissors mill blade 3 in the schematic diagram of Fig. 1, being provided with, the structure of two groups of mill blades is basic identical, include a fixed cutter body 42 and a movable blades 43, movable blades 43 is connected on the slide block, and slide block and connecting rod 44 are movably connected, and the other end of connecting rod 44 links to each other with eccentric block, two connecting rod 44 drives slide block separately moves, form a connecting rod slider mechanism, slide block is limited in the guiding mechanism certainly, and the scissors that slide block drives separately cuts off stalk.

In Fig. 1 in the set running gear, also comprise the directive wheel 45 that is located at front end, directive wheel is single-wheel, and the device of adjusting height arranged, also be provided with the handrail 46 of steering in the rear end of locomotive, the common position of adjusting cutter up and down is so that adapt to the height of different stalk height and fringe head, so this device can be simplified the height adjuster of cutter up and down.

Whole device is by frame support, frame is supported by running gear, frame is welded or is riveted or fixed with tightening member by shaped steel, the axle of all spinner members is by the bearing block support, bearing block is by frame support, make the housing covering with thin metal sheet, the parts that cover rotation or motion are safe in utilization to guarantee.

The grain header physical dimension of this programme is small and exquisite, and length * height * wide is 2 * 1 * 1 (rice), and weight is about 100Kg, the structure of this device makes split type, realizes repertoire as need, will install all and load onto, as only needing partial function, can reduce some devices, collect the fringe head and cut off stalk as only needing, be about to other equipment of this device, as threshing cylinder, conveying plant etc. remove, and have both alleviated weight, finished the heaviest work of muscle power again, this is that the peasant welcomes.

Claims

1. small-sized field auto-harvester thresher; comprise harvesting; running gear; sheller unit, pneumatic separator and transmission mechanism is characterized in that: be provided with one and extract the fringe head and slice off the automatically device of harvesting of stalk from root from agricultural crop straw before sheller unit; the fringe head is leaked down from screen cloth (8) by thresher drum threshing (5); enter pneumatic separator by conveying plant, described device is installed on the frame, the transmission device that power is provided to said apparatus.

2. a kind of small-sized field according to claim 1 auto-harvester thresher; it is characterized in that: automatically reaping apparatus comprises and is arranged on the most preceding rotation press strip (1); scissors mill blade (2) on cooperate with press strip (1) one group; reach the following scissors mill blade (3) that cuts down stalk from root, a hopper (4) of accepting the fringe head.

3. a kind of small-sized field according to claim 2 auto-harvester thresher; it is characterized in that: go up scissors mill blade (2) and following scissors mill blade (3); include a fixed cutter body (42) and a movable blades (43); movable blades (43) is connected on the slide block; and slide block and connecting rod (44) are movably connected; the other end of connecting rod (44) links to each other with eccentric block, and the slide block that two connecting rods (44) drive separately moves, and forms a connecting rod slider mechanism.

4. a kind of small-sized field according to claim 1 auto-harvester thresher; it is characterized in that: described sheller unit is a microscler cylinder (5); the front end of cylinder is the propeller blade (6) that is installed on the drum shaft; the stack shell of cylinder is covered with the spike-tooth (7) that distributes by helix, also has spiral spike-tooth (47) to cooperate above.

5. a kind of small-sized field according to claim 1 auto-harvester thresher; it is characterized in that: the bottom of screen cloth (8) is helix transporting device (9); an end and a belt conveyer (10) at conveying plant join; described device (10) is supported a circle belt (13) by two cylinders (11) and (12); one of two cylinders are the drive roll that links to each other with transmission device; roll-setting gear is arranged between the cylinder, and belt is provided with tooth (14).

6. a kind of small-sized field according to claim 5 auto-harvester thresher, it is characterized in that: the end of belt conveyer links to each other with pneumatic separator, and pneumatic separator comprises a fan (15) that is installed in discharging opening.

7. a kind of small-sized field according to claim 1 auto-harvester thresher; it is characterized in that: power configuration comprises a miniature gasoline engine (17) source that is used as power; give drive (19) and drive (20) by a clutch (18) with transmission of power; two-wheeled is divided into two with power and transmits downwards; a transmission of power comprises drive (19) and passive drive (21); drive (21) place axle (22) is fixed with drive (23) and helix transporting device (9); be fixed with threshing cylinder (5) on passive drive (24) the place axle (25) that joins with drive, and drive the eccentric (26) of cutter up and down.

8. a kind of small-sized field according to claim 7 auto-harvester thresher; it is characterized in that: another transmission of power comprises drive (20) and passive drive (27); drive (27) place axle (28) is fixed with an awl tooth (29); be fixed with drive (32) and drive (33) from mantle tooth (30) place axle (31); drive (32) is by driven drive (34); be fixed with the cylinder (11) of belt transmission device on drive (34) the place axle (35) and drive the fan (15) of pneumatic separator by belt transmission; the driven pulley (36) that the drive (33) that is connected on the axle (31) connects is given axle (37) with transmission of power; be fixed with a pair roller (38) and the drive (39) of running gear on the axle (37), its driven drive (40) place axle (41) is fixed with rotation pressing strip device (1).

9. a kind of small-sized field according to claim 1 auto-harvester thresher; it is characterized in that: running gear comprises the directive wheel (45) that is located at front end; directive wheel is single-wheel, and the device of adjusting height is arranged, and also is provided with the handrail (46) of steering in the rear end of locomotive.

10. a kind of small-sized field according to claim 1 auto-harvester thresher; it is characterized in that: whole device is by frame support; frame is supported by running gear; frame is welded or is riveted or fixed with tightening member by shaped steel; the axle of all spinner members is by the bearing block support; bearing block is made the housing covering by frame support with thin metal sheet, covers the parts of rotation or motion.