CN201905035U

CN201905035U - Straw shearing mechanism of paddy harvester

Info

Publication number: CN201905035U
Application number: CN201120043011XU
Authority: CN
Inventors: 伍本银
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-02-21
Filing date: 2011-02-21
Publication date: 2011-07-27
Anticipated expiration: 2021-02-21

Abstract

The utility model discloses a straw shearing mechanism of a paddy harvester. The straw shearing mechanism of the paddy harvester comprises power equipment and a shearing tool, wherein the shearing tool comprises a fixed part and a moving part, and the fixed part is arranged on a machine body; a chain wheel is arranged on the machine body and is connected with the power equipment by a transmission mechanism; and an eccentric pin shaft is arranged on the chain wheel and is movably connected with one end of a lower shearing telescopic arm, the other end of the lower shearing telescopic arm is movably connected with one end of an L-shaped lower shearing rocker arm by a pin shaft I, the middle part of the lower shearing rocker arm is movably connected with the machine body by a pin shaft II, and the other end of the lower shearing rocker arm forms a shifting rod inserted into a cylinder arranged at the moving part of the tool. By the straw shearing mechanism of the paddy harvester, the shearing of straws can be simultaneously realized in the harvesting process, and the straws are shorn in the middle, so that the original longer straws are changed into two shorter sections. Therefore, the winding influence on a ploughing appliance is greatly lowered, and the straw shearing mechanism of the paddy harvester is beneficial to ploughing a paddy field and enhancing the ploughing efficiency.

Description

Rice harvester rice bar cutting mechanism

Technical field

The utility model relates to rice harvester, specifically refers to be used on the rice harvester shear the mechanism of rice bar, belongs to the agricultural tillage field of mechanical technique.

Background technology

Present rice harvester all only has the threshing function, be about to spike of rice and come off from rice bar upper end, and remaining upright rice bar and root connects together, and the machine that quilt is advanced overwhelms and stays the field always.It is very unfavorable to follow-up farming to handle like this, when being turned in the rice field in next season, the rice bar of hiding Tanaka is owing to only sloughed the fringe grain, length does not shorten, and is also long, as easy as rolling off a log being wrapped on the utensil of turning over, cause and bigger strength to turn over, the operator has to continually the rice bar be taken off from the utensil of turning over, and influences the continuity of farming, the final efficient of turning over that influences.

The utility model content

At the prior art above shortcomings, the purpose of this utility model provides a kind of rice harvester rice bar cutting mechanism that the rice bar can be cut off by the waist, shears function thereby make existing rice harvester have the rice bar.

The technical solution of the utility model is achieved in that rice harvester rice bar cutting mechanism, it comprises power-equipment and shearing tool, shearing tool is positioned at the spike rolling mechanism back lower place, the shearing tool horizontally set also is made of standing part and the motion parts that is placed on the standing part, and the cutter on motion parts and the standing part has some forming set of knives; Standing part is arranged on the fuselage, and the standing part upper surface is provided with the rectangle guide pad, about motion parts is provided with to the bar shaped gathering sill of guide pad matched in clearance, guide pad passes from gathering sill; Be provided with sprocket wheel on fuselage, sprocket wheel is connected with power-equipment by transmission mechanism; Described sprocket wheel is provided with eccentric pin shaft, eccentric pin shaft with cut down the flexible connection of telescopic arm one end, cutting the telescopic arm other end down cuts rocking arm one end by bearing pin I and L type following and flexibly connects, under cut rocking arm middle part and flexibly connect by bearing pin II and fuselage, cut the rocking arm other end down and form in the cylinder that driving lever insertion tool motion partly is provided with.

Described cutter standing part is arranged on the fuselage by turning arm, and turning arm is shipped and resell on another market by turning arm and fuselage flexibly connects, and the bearing pin II is arranged on the turning arm; Be provided with control arm on fuselage, control arm is connected with turning arm by drag-line.

The utility model is owing to have additional shearing tool, shearing tool is positioned at the spike rolling mechanism back lower place, after the spike of rice harvesting, about power-equipment promptly drives tool motion part relatively fixed part and does by a series of transmission to rectilinear motion, thereby realize the shearing to the rice bar, the rice bar after the shearing is placed upside down in the field.Therefore, the utility model can be realized the shearing to the rice bar simultaneously in the process of harvesting, the rice bar is cut off by the waist, makes original long rice bar become short two-section, so the winding of the utensil of turning over influence is reduced greatly, help turning over and the raising efficient of turning over to the rice field.

In addition, the height of shearing tool can carry out lifting by control arm, drag-line and turning arm, thereby the rice bar is cut off at the height and position of needs, and is easy to use, flexible.

Description of drawings

Fig. 1-the utility model structural representation.

The scheme of installation of Fig. 2-the utility model on rice harvester.

Wherein, 1-power-equipment; The 2-spike rolling mechanism; The 3-standing part; The 4-motion parts; The 5-guide pad; The 6-gathering sill; The 7-sprocket wheel; The 8-eccentric pin shaft; Cut telescopic arm under the 9-; The 10-bearing pin; Cut rocking arm under the 11-; 12-bearing pin II; The 13-cylinder; The 14-turning arm; The 15-turning arm is shipped and resell on another market; The 16-control arm; The 17-drag-line; 18-sprocket wheel I; 19-chain I; The 20-main shaft; 21-sprocket wheel II; 22-belt wheel I; The 23-jackshaft; 24-belt wheel II; 25-driving-belt I; 26-sprocket wheel III; 27-chain II.

Embodiment

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

Referring to Fig. 1 and Fig. 2, from the figure as can be seen, the utility model rice harvester rice bar cutting mechanism, it comprises power-equipment 1 and shearing tool, shearing tool is positioned at spike rolling mechanism 2 back lower places.The shearing tool horizontally set is made of standing part 3 and the motion parts 4 that is placed on the standing part, and the cutter on motion parts and the standing part has some forming set of knives.Standing part is arranged on the fuselage, and standing part 3 upper surfaces are provided with rectangle guide pad 5, about motion parts 4 is provided with to the bar shaped gathering sill 6 of guide pad 5 matched in clearance, guide pad 5 passes from gathering sill 6.Be provided with sprocket wheel 7 on fuselage, sprocket wheel 7 is connected with power-equipment 1 by transmission mechanism.In Fig. 1 frame of broken lines is embodiment of transmission mechanism.On sprocket wheel 7, be provided with eccentric pin shaft 8, eccentric pin shaft 8 with cut the flexible connection of telescopic arm 9 one ends down, cutting telescopic arm 9 other ends down flexibly connects by following rocking arm 11 1 ends of cutting of bearing pin I 10 with the L type, under cut rocking arm 11 middle parts and flexibly connect by bearing pin II 12 and fuselage, cut rocking arm 11 other ends down and form driving lever and insert in the cylinder 13 that tool motion partly is provided with.Cutting the rocking arm other end and cylinder down has bigger movement clearance, makes down to cut the rocking arm other end and can stir the cylinder move left and right.

For the lift in height that makes shearing tool adjustable, the utility model is arranged on cutter standing part 3 on the fuselage by turning arm 14, turning arm 14 1 ends are shipped and resell on another market by turning arm and 15 are flexibly connected with fuselage, cutter standing part 3 is fixed on turning arm 14 other ends (perhaps one-body molded with turning arm), and 12 of above-mentioned bearing pin II are arranged on the turning arm 14.The position of being convenient to driver's operation on fuselage is provided with control arm 16, and control arm 16 is connected with turning arm 14 by drag-line 17.When needs are heightened the shearing tool height, only need drag-line 17 to be promoted by control arm 16, turning arm 14 1 ends were shipped and resell on another market around turning arm and 15 were rotated this moment, the other end then raises, because cutter standing part 3 is installed in turning arm 14 end that can raise, so cutter standing part 3 is together with the just rising of motion parts 4 that is placed on it.Reverse operating can make the shearing tool height descend.

The operation principle (see figure 1): power-equipment 1 output shaft connects sprocket wheel I 18, thus drive sprocket I 18 rotate, sprocket wheel I 18 is connected with sprocket wheel II 21 on the main shaft 20 by chain I 19, drives 21 rotations of sprocket wheel II, is rotated by sprocket wheel II 21 drive main shafts 20 again.Because the belt wheel II 24 that is provided with on the belt wheel I 22 that is provided with on the main shaft 20 and the jackshaft 23 is connected by driving-belt I 25, thus main shaft 20 pass through belt wheel I 22, driving-belt I 25 and belt wheel II 24 with transmission of power to jackshaft 23.Jackshaft 23 is provided with sprocket wheel III 26, sprocket wheel III 26 is connected with above-mentioned sprocket wheel 7 by chain II 27, therefore drive above-mentioned sprocket wheel 7 rotations again, eccentric pin shaft 8 on the sprocket wheel 7 rotates thereupon together, and then cuts telescopic arm 9 under driving and seesaw, and is cutting down under the drive of telescopic arm 9, under cut rocking arm 11 and rotate around bearing pin II 12, in rotation process, drive tool motion part 4 moving linearlies, thereby realize the relative motion of motion parts and standing part, reach the shearing purpose.

Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. rice harvester rice bar cutting mechanism, it is characterized in that: it comprises power-equipment (1) and shearing tool, shearing tool is positioned at the spike rolling mechanism back lower place, the shearing tool horizontally set also is made of standing part (3) and the motion parts (4) that is placed on the standing part, and the cutter on motion parts and the standing part has some forming set of knives; Standing part is arranged on the fuselage, and standing part (3) upper surface is provided with rectangle guide pad (5), about motion parts (4) is provided with to the bar shaped gathering sill (6) of guide pad matched in clearance, guide pad (5) passes from gathering sill (6); Be provided with sprocket wheel (7) on fuselage, sprocket wheel is connected with power-equipment by transmission mechanism; Described sprocket wheel (7) is provided with eccentric pin shaft (8), eccentric pin shaft (8) with cut down the flexible connection of telescopic arm (9) one ends, cutting telescopic arm (9) other end down flexibly connects by following rocking arm (11) one ends of cutting of bearing pin I (10) with the L type, under cut rocking arm (11) middle part and flexibly connect by bearing pin II (12) and fuselage, cut rocking arm (11) other end down and form driving lever and insert in the cylinder (13) that tool motion partly is provided with.

2. rice harvester rice bar cutting mechanism according to claim 1, it is characterized in that: described cutter standing part (3) is arranged on the fuselage by turning arm (14), turning arm (14) is shipped and resell on another market (15) by turning arm and fuselage flexibly connects, and bearing pin II (12) is arranged on the turning arm (14); Be provided with control arm (16) on fuselage, control arm (16) is connected with turning arm (14) by drag-line (17).