CN2322369Y - Wheat combine harvester capable of threshing before cutting - Google Patents

Abstract

The utility model discloses a wheat combine harvester capable of threshing before cutting which cuts stalks after threshing. The utility model is composed of a tractor (1), a threshing machine (2), a harvesting device (3), a transporting box (4) and a separating device (5). The threshing machine (2) is connected with the harvesting device (3) into integration, and the harvesting device (3) is fixed on the rear bottom frame of the machine frame (6) of the threshing machine. The threshing machine (2) is fixed on the upper and the lower lifting arms (7, 8, 7 ', 8 ') which are formed by the forward protruding of the tractor (1). The utility model has the advantages smaller volume, low power consumption, simpler structure and low manufacture cost, being suitable for the harvesting operation on wheat fields and paddy fields.

Description

The threshing prior to cutting combined wheat harvester

The utility model relates to the improvement of combined wheat harvester, cuts the threshing prior to cutting combined wheat harvester of straw behind specifically a kind of early threshing, is applicable to the harvesting operation of wheat land for growing field crops, also can be used for rice field harvesting operation.

At present, the combined wheat harvester that China uses divides by fringe bar feed quantity, can be in two kinds of situation, a kind of is full feed type, promptly earlier Wheat Straw is cut off from root, and straw and fringe head all enter threshing machine and carry out threshing, the combine of this full feed type, then must be used as power with large sized tractor, therefore, this combine complex structure, volume is big, cost is high, consumed power is big.Another kind of right and wrong feed force entirely, i.e. the bar separated combine of fringe, and this combine is that wheat straw is carried out the cutting of two cuttves, one cutter is to cut from root, another cutter is from the cutting of fringe head bottom, can reduce the feed quantity that enters threshing machine like this, that is to say, have only the fringe head to enter threshing machine and carry out threshing, thereby reduced the consumption of power, but also operation of small tractor, but structure is still complicated, make difficulty, fragile.More than two kinds of grain headers, be to cut afterwards earlier and take off since all straws or part straw and all the fringe heads enter thresher, so can not reduce the problem of power consumption significantly.Press the configuration of power and structure and divide, divide self-propelled and humpbacked Style again, walking force certainly is to be provided with power-equipment in the combine, utilizes diesel engine, gasoline engine etc.; Humpbacked Style combine, its power adopt tractor to drive, and the structure configuration is the front and establishes grain header; thresher is established in the back, and the centre is a transport portion, and this architectural feature can not be only fringe input thresher; therefore, also just can not reduce the problem of power consumption significantly.

The threshing prior to cutting combined wheat harvester that the purpose of this utility model provides that a kind of structure is simple, volume is less, adapted power is little, cost is low, work efficiency is high, cut behind the early threshing.

The utility model is achieved in that this threshing prior to cutting combined wheat harvester; constitute by tractor, thresher, reaping apparatus, conveying box, cleaning plant; thresher and grain header are connected as a single entity; and reaping apparatus is fixed on after the thresher frame of thresher on the underframe, and thresher is fixed on the oscilaltion arm that tractor stretches out forward.This combined wheat harvester also can be implemented by following measure: thresher is by the thresher frame; last cylinder; bottom roll; concave grate; nearside divider; straw shift wheel; going out a screw feeder forms; last drum shell body is a convex-concave shape steel mesh sieve; the circular arc line of its protrusion and the axial line of bottom roll are in a vertical plane; concave grate is located at the bottom of cylinder; the right side wheel of last cylinder is connected with the V-belt with last cylinder driving wheel; the right bull wheel of bottom roll is connected with the V-belt with the right wheel of bottom roll driving shaft; bottom roll driving shaft revolver is connected with the V-belt with engine belt pulley; the right wheel gear teeth meshing of last cylinder driving wheel and bottom roll driving shaft; go out in the thresher grain case groove of thresher frame bottom that a screw feeder is located at concave grate below; it goes out a screw feeder left end big belt pulley and is connected on the steamboat of thresher change pulley with the V-belt; going out a screw feeder left end small belt pulley is connected with the V-belt with the straw shift wheel turning cylinder; straw shift wheel is located on the thresher frame lead arm of thresher frame, and nearside divider is located on the thresher rack chassis.Reaping apparatus is made up of tool fixing frame, ledger-plate, knife section, moving knife driving wheel, moving knife conveyer belt; ledger-plate is fixed on the tool fixing frame; tool fixing frame and thresher frame are fixed as one; knife section is vertically fixed on the moving knife conveyer belt, and moving knife driving wheel steamboat is connected on the thresher change pulley bull wheel by the V-belt.Conveying box case shell end opening is connected on out sending on the grain mouth of a screw feeder.On the thresher between cylinder and bottom roll barrel apart from 5--15cm, the bottom roll diameter is 10--15cm, the overhead high 10--20cm of bottom roll barrel minimum point.Ledger-plate is vertically fixed on the tool fixing frame, and knife section is vertically fixed on the moving knife conveyer belt, and to being pressed in the wheat straw perpendicular cuts below the thresher, its cutting speed is the 5--8 meter per second, and the Cutting Length of wheat straw is advisable with every section 5--10cm.

The utility model has the advantages that: compare with the existing combined wheat harvester of using, volume is less, adapted power is little, simple in structure, cost is low, work efficiency is high, particularly can significantly reduce power consumption.

Accompanying drawing 1 is looked schematic diagram for the utility model right side.

Accompanying drawing 2 is looked schematic diagram for the utility model left side.

Accompanying drawing 3 is the utility model thresher middle part vertical profile schematic diagram, (A, B, C, A among the figure ₁, B ₁, C ₁, be wheat strain schematic diagram, "

" be rotation direction).

Accompanying drawing 4 is the utility model reaping apparatus schematic diagram.

Below in conjunction with accompanying drawing the utility model is described in detail.

Manufacture the utility model with reference to accompanying drawing 1,2, constitute by tractor 1, thresher 2, reaping apparatus 3, conveying box 4, cleaning plant 5 assemblings.Tractor 1 also can use relatively large tractor based on small tractor.Thresher 2 is located at the front portion of tractor 1; be connected with 7 ＇, 8 ＇ with four upper and lower lifting arms 7,8; the effect of upper and lower lifting arm 7,8 and 7 ＇, 8 ＇ is to realize the overhead adjustment of height of thresher; the front of also having realized thresher 2 is fixedly connected on tractor 1 simultaneously, and keep certain distance.Reaping apparatus 3 fixedly is located on the thresher frame 6 back underframe of thresher 2; the separating mechanism of thresher 2 is in the front portion of the cutting mechanism of reaping apparatus 3; realize earlier the threshing of fringe head; cut straw the back; because thresher 2 and reaping apparatus 3 are fixed as an integral body, thus reaping apparatus 3 overhead height adjustment also with thresher 2 overhead the adjustment of height carry out (among the figure elevating mechanism not being done detailed expression) synchronously.Conveying box 4 is made up of case shell and conveyer belt, and conveyer belt is located in the case shell, wheat and the wheat bran of mainly carrying thresher to take off.Cleaning plant 5 is mainly blown away the chaff in the wheat with fan.Refer again to accompanying drawing 1; thresher 2 and accompanying drawing 3 in 2 are manufactured thresher 2; by thresher frame 6; last cylinder 9; bottom roll 10; concave grate 11; nearside divider 12; straw shift wheel 13; going out a screw feeder 14 constitutes; last cylinder 9 shell bodies are convex-concave shape steel mesh sieve; realization is taken off and is beaten to the wheat on the wheat head; the axle center of last cylinder 9 is than the axle center skew slightly backward of bottom roll 10; the axial line that makes the garden camber line of protrusion of convex-concave shape steel mesh sieve and bottom roll 10 is in a vertical plane; distance between last cylinder 9 and bottom roll 10 barrels is 5--15cm; the diameter of bottom roll 10 is 10--15cm; the barrel minimum point of bottom roll 10 is 10-20cm overhead; when the wheat height is within 60--80cm; threshing can normally be carried out with harvesting; otherwise just must be by oscilaltion arm 7; 8 and 7 ＇; 8 ＇ carry out Height Adjustment; concave grate 11 fixedly is located at the bottom of cylinder 9; taking off the wheat and the wheat bran of laying leaks in going out the thresher grain case groove 26 of a screw feeder 14 under the square hole of concave grate 11; last cylinder 9 is for turning clockwise; bottom roll 10 is for being rotated counterclockwise; by the wheat head is introduced into the back extract out turning round on; bottom roll 9; between 10; realization is rubbed with the hands the wheat head and is played threshing; straw shift wheel 13 is located on the thresher frame lead arm 18; by turning clockwise of straw shift wheel 13; the wheat head is dialled in up-down roller 9; between 10; nearside divider 12 is fixed on thresher frame 6 chassis; work to distinguish the wheat row; go out a screw feeder 14 and be the spiral propeller shape; be located in the thresher grain case groove 26; by going out the rotation of a screw feeder 14; to take off the wheat and the wheat bran of laying and shift the right side grain export onto; grain export is connected with conveying box 4 shell end openings; so wheat and wheat bran are just sent in the conveying box 4 by the conveyer belt of conveying box 4; when wheat and wheat bran after the outflow suitable for reading of conveying box 4, then clean by cleaning plant 5.Refer again to accompanying drawing 1; reaping apparatus 3 shown in 2 and accompanying drawing 4 dresses are manufactured reaping apparatus 3; by tool fixing frame 20; ledger-plate 21; knife section 22; moving knife driving wheel 23; moving knife conveyer belt 24 constitutes; ledger-plate 21 is fixed on the tool fixing frame 20; tool fixing frame 20 is fixed as one with thresher frame 6; knife section 22 is vertically fixed on the moving knife conveyer belt 24; moving knife conveyer belt 24 is for horizontally rotating; knife section 22 is a perpendicular cuts; because after the wheat head threshing; this moment, wheat straw was not cut off; so when threshing flesh was advanced forward, the wheat head head that has taken off grain was drawn out of; wheat straw is crushed under the chassis of thresher 2; be the level or the placement of tilting, so the necessary perpendicular cuts of cutter, the speed of service of knife section 22 is advisable with the 5-8 meter per second; Cutting Length to wheat straw is advisable with every section 5--10cm; like this, in the results wheat, also reached the purpose of returning crop stocks to the field.On power transmits; with reference to accompanying drawing 1; 2 connect; the right side of last cylinder 9 wheel 27 is connected with last cylinder driving wheel 15 usefulness V-belts; the moving runner 28 of bottom roll 10 is connected with the right wheel of bottom roll driving shaft 16 usefulness V-belts; bottom roll driving shaft revolver 16 ＇ are connected with tractor engine belt wheel 25 usefulness V-belts; last cylinder driving wheel 15 is used gear teeth meshing with the right wheel 16 of bottom roll driving shaft; the left end big belt pulley 30 usefulness V-belts that go out a screw feeder 14 are connected with the steamboat of thresher change pulley 17; the left small belt pulley 29 that goes out a screw feeder 14 is connected with straw shift wheel turning cylinder 19 usefulness V-belts; the bull wheel of moving knife driving wheel 23 is connected with last cylinder revolver 27 ＇ with the V-belt, and the bull wheel of change pulley 17 is connected with steamboat on the moving knife driving wheel 23.

Claims (6)

1, a kind of threshing prior to cutting wheat connection platform grain header; constitute by tractor (1), thresher (2), reaping apparatus (3), conveying box (4), cleaning plant (5); it is characterized in that thresher (2) and reaping apparatus (3) are connected as a single entity; and reaping apparatus (3) is fixed on thresher frame (6) the back underframe of thresher (2), and thresher (2) is fixed on the upper and lower lifting arm (7,8 and 7 ＇, 8 ＇) that tractor (1) stretches out forward.

2; threshing prior to cutting combined wheat harvester according to claim 1; it is characterized in that thresher (2) is by thresher frame (6); last cylinder (9); bottom roll (10); concave grate (11); nearside divider (12); straw shift wheel (13) (; going out a screw feeder (14) forms; last cylinder (9) shell body is a convex-concave shape steel mesh sieve; the axial line of the circular arc line of its protrusion and bottom roll (10) is in a vertical plane; concave grate (11) is located at the bottom of cylinder (9); the right side wheel (27) of last cylinder (9) is connected with the V-belt with last cylinder driving wheel (15); the right bull wheel (28) of bottom roll (10) is connected with the V-belt with the right wheel of bottom roll driving shaft (16); bottom roll driving shaft revolver (16 ＇) is connected with the V-belt with engine belt pulley (25); last cylinder driving wheel (15) is used gear teeth meshing with the right wheel of bottom roll driving shaft (16); go out in the thresher grain case groove (26) of thresher frame (6) bottom that a screw feeder (14) is located at concave grate (11) below; it goes out a screw feeder left end big belt pulley (30) and is connected on the steamboat of thresher change pulley (17) with the V-belt; going out a screw feeder left end small belt pulley (29) is connected with the V-belt with straw shift wheel turning cylinder (19); straw shift wheel (13) is located on the thresher frame lead arm (18) of thresher frame (6), and nearside divider (12) is located on thresher frame (6) chassis.

3, threshing prior to cutting combined wheat harvester according to claim 1; it is characterized in that reaping apparatus (3) is made up of tool fixing frame (20), ledger-plate (21), knife section (22), moving knife driving wheel (23), moving knife conveyer belt (24); ledger-plate (21) is fixed on the tool fixing frame (20); tool fixing frame (20) is fixed as one with thresher frame (6); knife section (22) is vertically fixed on the moving knife conveyer belt (24), and moving knife driving wheel (23) steamboat is connected on thresher change pulley (17) bull wheel by the V-belt.

4, threshing prior to cutting combined wheat harvester according to claim 1 is characterized in that conveying box (4) case shell end opening is connected on out sending on the grain mouth of a screw feeder (14).

5, according to claim 1 and the described threshing prior to cutting wheat connection of claim 2 platform grain header; it is characterized in that cylinder on the thresher (9) and bottom roll (10) barrel spacing 5-15cm; the diameter of bottom roll (10) is 10-15cm, and bottom roll (10) barrel minimum point is height 10-20cm overhead.

6, threshing prior to cutting wheat connection platform grain header according to claim 1; it is characterized in that ledger-plate (21) is vertically fixed on the tool fixing frame (20); knife section (22) is vertically fixed on the moving knife conveyer belt (24); to being pressed in the following wheat straw perpendicular cuts of thresher (2); its cutting speed is the 5-8 meter per second, and the wheat straw Cutting Length is advisable with every section 5-10cm.

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