CN2351925Y - Axial feeding type axial drum combine - Google Patents

Abstract

The utility model relates to the improvement on a grain combine, which solves the problems of high crushing rate and high loss rate in the prior art. The utility model is characterized in that the inside of a feeding port (27) is longitudinally provided with an axial flow roller (7); the front part of the axial flow roller (7) is provided with an impeller (23), and the back part is provided with a roller (26); the inner wall of the feeding port (27) is provided with a thread-shaped guide groove (25), and the upper side of the roller is provided with (26) a semicircular upper cover of which the inner wall is the thread-shaped guide groove (25), and the lower side is provided with a supporting sieve (9). Because the utility model adopts the structure, the prior art is simplified, the loss rate and the crushing rate are small, and the adaptability and the threshing ability are strong.

Description

Axially feed the axial-flow type drum combine

The utility model relates to a kind of self-propelled grain cbmbine harvester, especially a kind of axial feeding axial-flow type drum grain combine.

Self-propelled grain cbmbine harvesters such as prior art such as east wind all adopt the cut flow roller structure at present, adopt drum with rasp bars during harvesting wheat, barley and highland barley, adopt nail tooth drum during the harvesting paddy rice, very inconvenient during use, different crops need be changed the cylinder of different types, moreover owing to adopt and laterally to feed, to beat again and hit, and the mode that tangent line rolls realizes threshing, so cause threshing unclean, percent of loss, percentage of damage are big.Adding that its separating mechanism adopts by check drum, transition grizzly bar, shelves curtain, 4 stepwise straw shakers of twin shaft quadruple linkage and transmission system thereof forms.Not only mechanism is many, and separating property is poor, run into per mu yield more than 500 kilograms or cane humidity bigger, the crop of ripe difference, not only entrainment loss is big, and forms and stop up, and damages straw shaker, causes mechanical breakdown, delays the harvesting time.When particularly gathering in paddy rice, existing problems are outstanding, and percent of loss reaches 6-7%, and breakage rate reaches 7-8%, and severe overweight causes surprising waste, and the grain header of this structure is because of complex structure simultaneously, make the cost height.

The purpose of this utility model is to provide a kind of above-mentioned prior art drawback that overcomes, and realize to improve work efficiency, the rate of reducing the loss, percentage of damage, energy-conservation, adapt to strong, axial feeding axial-flow type drum combine simple in structure.

For achieving the above object, the utility model is at the straw shift wheel of existing combine, cutter, the header auger, inclined transporter, the taiwan cut off and landing oil cylinder, driving wheel, fan, the cereal pusher, following sieve, directive wheel, chopper, engine, the unloading tube, on the basis of modular construction such as driver's cabin and relevant power drive system, in the cylinder feeding mouth of the upper outlet of inclination conveyor, vertically is furnished with axial-flow type drum, axial-flow type drum is made up of two parts, its front portion is furnished with the axial feeding impeller of multiple thread shape blade that is, its rear portion is a cylinder, on the feeding mouth inwall, be provided with 3-8 the screw-like gathering sill that matches with impeller blade, gap H between the blade external diameter on the impeller and the groove crown of gathering sill is 8-20mm, above first disc of cylinder, be furnished with and the corresponding drum upper cover of its shape, the drum upper cover inner arc surface is provided with the screw-like gathering sill, before, back gathering sill lead angle is 20 °-60 °, below second disc of cylinder, be furnished with and hold in the palm sieve accordingly with its shape, the main shaft front and back end of axial-flow type drum fits on the bearing block at frame apart transverse support plates middle part, and the rear end of axial-flow type drum main shaft, its external part fits on the bevel gear right angle drives after joining bearing block, power is positioned at the body right side by the belt wheel drive of engine, and fit over the belt wheel of bevel gear axle head, thereby drive bevel gear and drive the axial-flow type drum rotation, be furnished with in the back lower place of axial-flow type drum and turn over the grass wheel, the upper right side of turning over the grass wheel is provided with the careless plate of shelves, turn over the lower right of grass wheel and be furnished with cereal straw chopper, below the holder sieve, be furnished with shuttle board, be furnished with sieve down in the shuttle board back.

The utility model has following obvious advantage because employing changes cut flow roller into axial-flow type drum:

1, threshing ability is strong.Entered cylinder by threshing cereal and carry out threshing through 5 circles (1800 °), than more than 1,209 1680 ° of cut flow roller, so through threshing, percent of loss is no more than 1.5%.

2, percentage of damage is little.Owing to take axial feeding, tip-tap is rubbed, axial outflow realization threshing, percentage of damage does not surpass 1%.

3, simplified complete machine structure.Make fault few, reduced and made the machine cost, make price low, every performance is outstanding, and the user easily accepts, and is convenient to promote the use of.

4, work efficiency height.Receive 20 mu/hour of wheat, barley and highland barleys, receipts paddy rice 12-15 mu/hour, and cut flow roller receipts paddy rice 8-10 mu/hour.

5, feed quantity is many.The 6-7 Kilograms Per Second, and the cut flow roller feed quantity is 5 Kilograms Per Seconds.

6, low oil consumption: 1.82 kilograms/mu, and 2.5 kilograms/mu of cut flow roller.

7, adaptation is strong, availability is high.Can adapt to the harvesting of doing, wetting cereal, the wheat in 1 year two season, rice all can be used, and need not allocate cylinder.And cut flow roller can only be used for harvest wheat, not only will change cylinder in addition and receive rice, and its percentage of damage height, and waste is serious.

Describe an embodiment of the present utility model in detail below in conjunction with accompanying drawing:

Fig. 1 is the utility model structure chart;

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

Fig. 3 is a B-B profile among Fig. 1;

Fig. 4 is that the C of Fig. 2 is to view;

Fig. 5 is a right flank transmission schematic diagram of the present utility model;

Fig. 6 is a left surface transmission schematic diagram of the present utility model.

As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model is in the frame of existing combine (as east wind), straw shift wheel 1, cutter 2, header auger 3, inclined transporter 4, taiwan cut off and landing oil cylinder 5, driving wheel 6, fan 11, cereal pusher 12, under sieve 13, directive wheel 14, chopper 15, engine 19, unloading tube 20, on the basis of modular constructions such as driver's cabin 21 and relevant power drive system, in the cylinder feeding mouth 27 of the oblique upper outlet of conveyer 4, vertically is furnished with axial-flow type drum 7, axial-flow type drum 7 is made up of two parts, its front portion is an impeller 23, account for about the sixth of length overall, are furnished with 3 screw-like blades on the impeller 23, its rear portion is a nail tooth drum 26, be provided with on feeding mouth 27 inwalls with impeller 23 on 35 gathering sills 25 that blade matches, gathering sill 25 is screw-like on feeding mouth 27 inwall circumference, the lead angle of its gathering sill 25 is between 25 °-40 °, feeding mouth 27 is ellipticity, feeding mouth 27 endoporus and impeller 23 sections of matching are oval bell mouth shape, pre-large post-small, gathering sill 25 on feeding mouth 27 inner hole walls, on, the following degree of depth is 10-30mm, and the two sides degree of depth is 60-160mm.On feeding mouth 27 first discs, be furnished with reflecting plate 22, prevent that millet straw from returning.Impeller 23 mandrels are cylindric, and the blade external diameter on the impeller 23 is round table-like, and is pre-large post-small.Impeller 23 is assigned in the pre-large post-small oval horn mouth of feeding mouth 27, height is gradually low backward before impeller 23 blade heights, the groove crown of gathering sill 25 keeps the working clearance of 9-12mm all the time with its blade external diameter, rear portion nail tooth drum 26 first disc tops of axial-flow type drum 7 are furnished with and the corresponding semicircle drum upper cover 8 of its shape, drum upper cover 8 inner arc surfaces are provided with feeding mouth 27 inwall respective threads shape gathering sills 25 anterior with it, thereafter the lead angle of gathering sill 25 is between 35 °-60 °, is furnished with the holder sieve 9 similar to its shape below second disc of nail tooth drum 26.Axial-flow type drum 7 central principal axis 24 front and back ends fit on the bearing block at frame apart transverse support plates middle part, and the external part of the rear end of main shaft 24 after joining bearing block, fit on the bevel gear right angle drives 17, power is driven by the belt wheel on the engine 19 and is positioned at the body right side, and fit over the belt wheel 28 (as shown in Figure 5) of bevel gear axle head, thereby drive bevel gear right angle drives 17, drive axial-flow type drum 7 and rotate.On the frame of the back lower place of axial-flow type drum 7, be furnished with and turn over grass wheel 18, be provided with the careless plate 16 of shelves in the upper right side of turning over grass wheel 18, stop the cereal straw to upthrow, is furnished with cereal straw chopper 15 in the lower right of turning over grass wheel 18, below holder sieve 19, be furnished with shuttle board 10, be furnished with sieve 13 down in shuttle board 10 back.As shown in Figure 6, the power transmission of shuttle board 10 still adopts existing top sieve to drive power, turn over the central shaft two ends of grass wheel 18, chopper 15, fit on the bearing block on the frame, the frame left side is turned over belt wheel 29 power of being joined on 18 external parts of grass wheel and is driven by the belt wheel that sieves down on 13 line shafts, is driven by the belt wheel 29 that turns over grass wheel 18 being positioned at belt wheel 30 power that chopper 15 external parts in the frame left side join.

Axial-flow type drum 7 revolve direction from feeding mouth 27, present embodiment is a clockwise direction, but also can be designed to counterclockwise rotation direction, all within the open scope of the utility model.

Claims (3)

1, a kind of axial feeding axial-flow type drum combine, by straw shift wheel (1), cutter (2), header auger (3), inclined transporter (4), taiwan cut off and landing oil cylinder (5), driving wheel (6), fan (11), cereal pusher (12), following sieve (13), directive wheel (14), chopper (15), engine (19), unloading tube (20), compositions such as driver's cabin (21) and relevant power-transmitting part, it is characterized in that: in the cylinder feeding mouth (27) of the upper outlet of inclined transporter (4), vertically be furnished with axial-flow type drum (7), axial-flow type drum (7) is made up of two parts, it axially is multiple thread shape blade feeding impeller (23) that its front portion is furnished with, its rear portion is cylinder (26), on feeding mouth (27) inwall, be provided with 3-8 the screw-like gathering sill (25) that matches with impeller (23) blade, working clearance H between the groove crown of blade external diameter on the impeller (23) and gathering sill (25) is 8-20mm, is furnished with semicircle loam cake (8) in first disc top of cylinder (26), loam cake (8) inner arc surface is provided with screw-like gathering sill (25), the lead angle of front and back gathering sills (25) is 20 °-60 °, second disc below at cylinder (26) is furnished with semicircular holder sieve (9), central principal axis (24) front and back end of axial-flow type drum (7), fit on the bearing block at frame apart transverse support plates middle part, and the external part of rear end after joining bearing block of main shaft (24), fit on the bevel gear right angle drives (17), power is positioned at the body right side by the belt wheel drive of engine (19), fit over the belt wheel (28) of bevel gear axle head, thereby drive bevel gear right angle drives (17), driving axial-flow type drum (7) rotates, be furnished with in the back lower place of axial-flow type drum (7) and turn over grass wheel (18), the upper right side of turning over grass wheel (18) is provided with shelves careless plate (16), turn over the lower right of grass wheel (18) and be furnished with cereal straw chopper (15), below at holder sieve (19) is furnished with cereal shuttle board (10), is furnished with sieve (13) down in the back of shuttle board (10).

2, a kind of axial feeding axial-flow type drum combine according to claim 1, it is characterized in that: feeding mouth (27) ovalize, feeding mouth (27) endoporus and impeller (23) section of matching are oval bell mouth shape, pre-large post-small, gathering sill (25) on feeding mouth (27) inner hole wall, the above and below degree of depth is dark less than two sides, and the above and below groove depth has only two to 1/9th of forward and backward groove depth, is furnished with reflecting plate (22) on first disc of feeding mouth (27).

3, a kind of axial feeding axial-flow type drum combine according to claim 1, it is characterized in that: impeller (23) mandrel is cylindric, blade external diameter on the impeller (23) is round table-like, pre-large post-small, impeller (23) is assigned in the pre-large post-small oval bellmouth orifice of endoporus of feeding mouth (27), height is gradually low backward before impeller (23) blade height, and gathering sill (25) remains the working clearance certain with it.

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