CN101743803B

CN101743803B - Seedling dividing thresher and dust sucking device of stem-preserving type (semi-feeding) rice-wheat combine harvester

Info

Publication number: CN101743803B
Application number: CN200810183080.3A
Authority: CN
Inventors: 刘云彪
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-03
Filing date: 2008-12-03
Publication date: 2014-06-25
Anticipated expiration: 2028-12-03
Also published as: CN101743803A

Abstract

The invention relates to a seedling dividing thresher and a dust sucking device of a stem-preserving type (semi-feeding) rice-wheat combine harvester. The seedling dividing thresher comprises a seedling divider, a bracket, an upper packing auger, a lower packing auger, a bearing, a grain screw conveyer, a dispersing machine, a chain wheel, a drive chain, an iron sheet outer cover, and an a-shaped straw supporting plate, wherein the upper packing auger and the lower packing auger are arranged in parallel and respectively provided with a screw on a front end surface and an arch-shaped tooth on a rear end surface. In the dust sucking device, a dust sucking cavity in the shape of a cylinder or a cuboid is arranged on the rear upper end of an integral cutting table and provided with a narrow and long air suction opening facing forward hyponastically, the upper end of the rear side of the dust sucking cavity is provided with an air suction channel, the air suction channel is communicated by the air suction opening and an air suction cavity at the two ends of the air suction channel and is installed in parallel with the air suction cavity, the middle of the air suction channel is communicated with an air suction pipe, and the rear end of the air suction pipe is provided with an air blower used for sending air flow to the rear end of the whole machine. The invention realizes threshing before mowing by virtue of the tension of crop roots towards ground and can save complex and faultful straw conveying and clamping mechanism, thereby reducing the load, the dead weight and the manufacture cost of the harvester, and moreover, the dust suction device can reduce pollution and improve production efficiency.

Description

Protect straw formula semi-feeding combine harvester

Technical field

The present invention relates to a kind of straw formula semi-feeding combine harvester of protecting.

Background technology

Existing guarantor's straw formula semi-feeding combine harvester mostly is and first gathers in threshing again, has the conveying clamp mechanism of complicated many events.Shortcoming is: consume extra power many, fault is many, complex structure, cost is high, restriction swath etc., and owing to broadcasting grass, harvesting, conveying, the dirt ash on the cane of crops is flown upward when operation, both endangered the healthy of operating personnel, affect operating personnel sight line, consumed operating personnel's energy, also polluted the outward appearance of machine simultaneously, increase the degree of wear of parts, reduced the service life of machine.

Summary of the invention

In order to overcome the shortcoming and deficiency of existing grain header, the invention provides a kind of straw formula semi-feeding combine harvester of protecting, it comprises point standing grain thrasher and a dust exhaust apparatus.

The technical solution adopted for the present invention to solve the technical problems is such: a point standing grain thrasher is made up of nearside divider and thrasher, and its structure comprises two threshing cylinders up and down, bearing, spout, defeated grain auger that nearside divider, support, front end surface be equipped with auger rear end surface the parallel installation of bow tooth is housed, throw and raise device, sprocket wheel, driving chain, iron sheet outer cover and α shape and hold up careless plate.Dust exhaust apparatus comprises that shape is the vacuum chamber of cylinder or cuboid, rear upper end, the vacuum chamber that vacuum chamber is fixedly mounted on the whole ceding of Taiwan has that narrow and long inlet scoop, inlet scoop are on the lower side facing to front, its rear side upper end is provided with suction channel, wind inlet by two ends is communicated with vacuum chamber, and installation parallel with air draught chamber, suction channel middle part is communicated with aspiration channel, aspiration channel rear end be dust absorption fan by airflow feeding to complete machine rear end.

When operation, nearside divider foremost first becomes crops ridge separately, by up-down roller front end auger crops fringe portion fed to spout thereafter, hold up α shape in the support of careless plate, relatively fought each other by up-down roller, bow tooth combing, hit threshing, after concave grate filters by auger, throw and raise the dressing mechanism that the seed having taken off is delivered to driver's cabin rear end by device, induced-draught fan air-flow and clean, finally put in storage.The crops cane being purified is broadcast by broadcasting standing grain wheel, and cutter cuts, broadcasts turf band and broadcast, and grass-removing wheel is emitted on field in good orderly.Installation crops height indicateing arm and hydraulic lifting more can ensure to regulate accurately and effectively needs best threshing highly.And the air-flow suction that the dust flying upward causing because of harvesting is produced by dust absorption fan sends vacuum chamber to through aspiration channel, suction channel, wind inlet, again because vacuum chamber inner capacities is grown compared with large inlet scoop is narrow, can make air-flow be uniformly distributed, the dust that harvesting is caused all siphons away, deliver to grain header rear end, make it to reach zero pollution.Grain header dust exhaust apparatus also can be arranged on other type combine.

The invention has the beneficial effects as follows: use crops root the pulling force on ground is realized to threshing prior to cutting, save the conveying grass-trap mechanism of complicated many events, load, weight and the manufacturing cost of grain header are reduced, disperse threshing can make ceding of Taiwan swath do not fed quantitative limitation and increase the width of swath, increasing work efficiency.Due to crops before this auger connect really, reduced the percent of loss of grain, improved threshing cleanliness, adopt crops height indicateing arm and can more accurately control the feed quantity to crops fringe portion to the hydraulic lifting of nearside divider.Dust exhaust apparatus can reduce pollution, improves the comfort level of behaviour chamber, has ensured the healthy of operating personnel, has extended the service life of machine, has improved production efficiency.

brief description of the drawings:

Below in conjunction with drawings and Examples, patent of the present invention is further illustrated.

Fig. 1 is the side-looking structural representation of patent of the present invention.

Fig. 2 is the plan structure schematic diagram of patent of the present invention.

Fig. 3 is the structural representation that α holds up careless plate.

Fig. 4 is that dust exhaust apparatus is installed template drawing on other grain headers.

Fig. 5 is dust exhaust apparatus structural representation.

Fig. 6 is dust exhaust apparatus part-structure schematic diagram.

In figure, 1, main brake hydraulic pressure; 2, uprooting weed band bogie wheel; 3 supports; 4, cutter; 5, rice pulling wheel; 6, rice pulling wheel support; 7, throw and raise device; 8, defeated grain auger; 9, concave grate; 10, lower threshing cylinder; 11, bow tooth; 12, shaft; 13, auger before lower threshing cylinder; 14, nearside divider; 15, crops height indicateing arm; 16, auger before upper threshing cylinder; 17, upper threshing cylinder axis; 18, upper threshing cylinder; 19, transmission chain; 20, bearing; 21, secondary brake fluid pressure; 22, throw and raise device grain transfering tube; 23, vacuum chamber; 24, suction channel; 25, aspiration channel; 26, hold together turf band; 27, wind inlet; 28, the pressure grass spring filling on rice pulling wheel; 29, α shape is held up careless plate; 30, other grain header weeding wheels; 31, other harvester headers; 32, air draught chamber; 33, spout.

embodiment:

Guarantor's straw formula semi-feeding combine harvester of the present invention, comprises point standing grain thrasher and a dust exhaust apparatus.Point standing grain thrasher is made up of nearside divider and thrasher, and its structure comprises upper threshing cylinder 18 and lower threshing cylinder 10, bearing 20, spout 33, defeated grain auger 8 that nearside divider 14, support 3, front end surface be equipped with auger rear end surface the parallel installation of bow tooth 11 is housed, throw and raise device 7, sprocket wheel, driving chain 19, iron sheet outer cover and α shape and hold up careless plate 29.Dust exhaust apparatus comprises that shape is the vacuum chamber 23 of cylinder or cuboid, rear upper end, the vacuum chamber that vacuum chamber is fixedly mounted on the whole ceding of Taiwan has that narrow and long inlet scoop 32, inlet scoop are on the lower side facing to front, its rear side upper end is provided with suction channel 24, wind inlet 27 by two ends is communicated with vacuum chamber, and installation parallel with vacuum chamber, suction channel middle part is communicated with aspiration channel 25, aspiration channel rear end be dust absorption fan by airflow feeding to complete machine rear end.

When operation, nearside divider 14 foremost first becomes ridge by crops separately, thereafter by the threshing cylinder front end auger 16 on upper threshing cylinder 18, threshing cylinder front end auger 13 on lower threshing cylinder 10 is by crops fringe portion feeding spout 33, hold up α shape under the support of careless plate 29, by upper, the bottom roll combing that bow tooth 11 produces of relatively fighting each other, threshing is carried out in strike, after concave grate 9 Preliminary screening by auger 8, device 7 is raised in throwing, throwing raises that device grain transfering tube 22 use inhale that grain blower fans produce, and the distinguished and admirable dressing mechanism that the grain having taken off is transported to driver's cabin rear end is cleaned again, finally put in storage.The crops cane being purified is cut by cutter 4, and the pressure grass spring 28, the uprooting weed belt 26 that on rice pulling wheel 5 and rice pulling wheel, fill pull out and send, and are emitted on field in good orderly.The crops height indicateing arm 15 and the secondary brake fluid pressure 21 that are installed in nearside divider 14 front ends more can ensure the threshing height that regulates accurately and effectively needs best.The air-flow suction that dust produces by dust absorption fan that flies upward causing because of harvesting passes to vacuum chamber 23 through aspiration channel 25, suction channel 24, wind inlet 27, again because vacuum chamber inner capacities is compared with narrow length the in large inlet scoop 32, can make air-flow be uniformly distributed, the dust that harvesting can be caused all siphons away delivers to complete machine rear end.Grain header dust exhaust apparatus also can be arranged on other type grain header (as Fig. 4).

Claims

1. protect straw formula semi-feeding combine harvester for one kind, it is characterized in that: comprise point standing grain thrasher and a dust exhaust apparatus, described dust exhaust apparatus comprises vacuum chamber (23) on mounting bracket (3), wind inlet (27), aspiration channel (25), suction channel (24) and inlet scoop (32); Described point of standing grain thrasher comprise nearside divider (14), support (3), parallel installation upper threshing cylinder (18) and lower threshing cylinder (10), bearing (20), spout (33), defeated grain auger (8), throw and raise device (7), driving chain (19) and α shape and hold up careless plate (29); Before upper threshing cylinder (18) front end surface is installed threshing cylinder, auger (16) rear end surface installation bow tooth (11) can ensure feeding and threshing effectively; Before lower threshing cylinder (10) front end surface is installed lower threshing cylinder, auger (13) rear end surface is installed bow tooth (11), and the crops fringe portion that can ensure required threshing all feeds spout (33) and carries out threshing again; Hold up α shape under the support of careless plate (29), by upper and lower cylinder relatively fight each other combing that bow tooth (11) produces, hit and carry out threshing, the concave grate (9) that install lower threshing cylinder lower end carries out primary election to the seed having taken off, and can prevent that defeated grain auger from blocking; The dressing mechanism that effectively grain having taken off is delivered to rear end is raised device (7), grain transfering tube (22) and is inhaled grain blower fan air flow energy in defeated grain auger (8), throwing, again cleans; α shape holds up careless plate (29) can ensure in an orderly manner crops fringe portion to be helped to feeding spout (33); Crops height indicateing arm (15) is housed on described nearside divider (14) and is used for lifting and divide the secondary brake fluid pressure (21) of standing grain thrasher, can regulate more accurately and effectively the height of the needed crops of threshing fringe portion.

2. guarantor's straw formula semi-feeding combine harvester according to claim 1, it is characterized in that: shape is the rear upper end that the vacuum chamber (23) of cylinder or cuboid is fixedly mounted on the whole ceding of Taiwan, vacuum chamber (23) has narrow and long inlet scoop (32), inlet scoop (32) is on the lower side facing to front, can be uniformly distributed air-flow and can make vacuum chamber (23) pick-up performance area more, cleaner to the suction of dust; Vacuum chamber (23) rear side upper end is provided with the suction channel (24) of parallel installation, suction channel (24) is communicated with vacuum chamber (23) by the wind inlet (27) at its two ends, suction channel (24) middle part is communicated with aspiration channel (25), aspiration channel (25) rear end be dust absorption fan by airflow feeding to complete machine rear end, aspiration channel (25) has not only transmitted the distinguished and admirable suction of dust absorption fan, dust can also be delivered to complete machine rear end.