CN103270845A - Ear picking mechanism provided with spatial stagger arrangement type rollers and capable of preventing corn ears from being snapped - Google Patents

Abstract

The invention discloses an ear picking mechanism provided with spatial stagger arrangement type rollers and capable of preventing corn ears from being snapped, and belongs to the technical field of agricultural machinery. According to the ear picking mechanism provided with the spatial stagger arrangement type rollers and capable of preventing the corn ears from being snapped, the front end and the rear end of an ear picking roller A are fixedly connected with a guiding cone-shaped body I and a transmission device I respectively, the front end and the rear end of an ear picking roller B are fixedly connected with a guiding cone-shaped body II and a transmission device II respectively, an ear picking section is formed by using a curve C as a generatrix to rotate around an x-axis, the ear picking roller A and the ear picking roller B are in spatial stagger arrangement when being assembled, the section of the front end of the ear picking roller A and the section of the front end of the ear picking roller B are in mutually left-and-right horizontal arrangement, and the section of the rear end of the ear picking roller A and the section of the rear end of the ear picking roller B are in mutually perpendicular arrangement. When the ear picking mechanism provided with the spatial stagger arrangement type rollers and capable of preventing the corn ears from being snapped is adopted, time of stay of the ears between the ear picking rollers can be greatly reduced, the ears can be effectively prevented from being snapped, and the ear picking mechanism provided with the spatial stagger arrangement type rollers and capable of preventing the corn ears from being snapped is suitable for being used in different corn harvesting machines in a matched mode.

Description

Has the space corn snapping unit that the formula roller can prevent that corn ear from chewing that is staggered

Technical field

The invention belongs to agricultural machinery technological field, be specifically related to a kind of corn picker roller mechanism that can prevent effectively that corn ear from chewing.

Background technology

Corn is to plant crops the most widely in the world, China is as second-biggest-in-the-world Maize Production state, the maize harvesting mechanization development speed grows steadily at present, but, mechanized harvest with respect to paddy rice and wheat, corn machine yield is also very little, and harvest corn becomes the main bottleneck of restriction Maize Production process mechanism development.The less main cause of corn machine yield is that present maize harvesting machine has comparatively serious defective, and such as chewing of corn ear, and corn snapping unit work has some setbacks, obstruction easily.

Ear-picking unit is one of vitals of maize harvesting machine, is to realize that corn ear separates with cane, reaches the critical component of harvest corn requirement.Have only with fruit ear with could mix clearly, carry corn after the stem stalk separates and work such as storage, its service behaviour directly affects the performance of harvest corn and plucks the fringe quality.Existing ear-picking unit pattern has snapping bar formula corn snapping unit, and roll-type, vertical roll type, two groups of vertical roll types for example crouch; And pluck the board-like ear-picking unit of fringe, as pluck fringe plate combined type.Although it is low to pluck the board-like ear-picking unit seed damage of fringe rate, operation quality is higher, and power consumption is bigger than normal, and disconnected stem rate height, fault rate height, thereby in use is restricted.With respect to plucking the board-like ear-picking unit of fringe, contain after the snapping bar formula corn snapping unit results assorted less, fruit ear clean rate height, and power consumption is low, body is less, adaptability is stronger, thereby is widely adopted in maize harvesting machine.Although snapping bar formula stripper has above-mentioned plurality of advantages, when results the fruit ear cracky, chew, thereby seriously restricted and plucked the fringe quality.The main cause that the corn ear breakage takes place, chews is that corn ear is in plucking the fringe process, the corncob of taking can not fall rapidly from snapping bar, cause corncob to rest on overlong time on the snapping bar, in this process, snapping bar rotates rapidly and with corncob violent friction and collision takes place, thereby has produced serious corncob and fall a phenomenon.If can reduce the time of fruit ear on snapping bar, then can significantly reduce the phenomenon that fruit ear chews.

At present, the snapping bar of snapping bar formula corn snapping unit is generally cylinder plucking fringe section roll surface, and the axis of two snapping bars is in same plane, and parallel to each other, and two counterrotating rollers forming in the operation process are consistent before and after this structure roller spacing.For avoiding chewing of corncob, although this roll structure adopts one high and one low configuration mode, the angulation difference is gone into harvester with the corn landing that helps to take, reduce chewing of corn ear with this, but because the formed differential seat angle of this configuration mode is less, corncob is not easy to drop from snapping bar, so still exist corn to chew phenomenon in the results process, so will fundamentally avoid corn to chew, need to change the assembling mode of snapping bar.

Summary of the invention

The object of the present invention is to provide a kind ofly can effectively prevent chewing of corn ear, and have the be staggered corn snapping unit of formula roller of space.

For prevent that the phenomenon that corn ear chews from taking place in results, guarantee that on the one hand two snapping bars are always d and remain unchanged plucking spacing between the fringe section roll surface, on the other hand, in the harvest corn process, after maize straw enters snapping bar, because the assembly relation of the staggered core ear-picking roller in special space, maize straw will be tilted until level gradually by plumbness, after being removed, corn ear will can not stop at snapping bar, but directly fall in the fruit ear transporting something containerized device, reduce corn ear time of staying between snapping bar.For realizing that above-mentioned functions has designed a kind of space formula core ear-picking roller that is staggered.

The present invention is made up of transmission device I 1, A snapping bar 2, guiding centrum I 3, guiding centrum II 4, B snapping bar 5 and transmission device II 6, wherein A snapping bar 2 front and back ends are affixed with guiding centrum I 3 and transmission device I 1 respectively, and B snapping bar 5 front and back ends are affixed with guiding centrum II 4 and transmission device II 6 respectively;

The fringe segment length of plucking of A snapping bar 2 and B snapping bar 5 is L, and end diameter is H;

Be different from traditional, be generally the cylindrical fringe section of plucking, the fringe section of plucking of the present invention is to be that bus forms around the rotation of x axle with the curve C, the equation of curve C is:

$\left\{\begin{array}{c}y=\frac{\sqrt{2}D}{2L}\sqrt{{(x-\frac{L}{2})}^2+\frac{{\mathrm{<figure-callout\; id="2"\; label="L"\; filenames="2013101897560100003DEST\_PATH\_IMAGE001.png,HDA00003225573600011.png"\; state="\{\{state\}\}">L</figure-callout>}}^2}{4}}-\frac{d}{2}\\ z=0\end{array},(0\&le;x\&le;L)\right.$

In the formula: D is that the center line of A snapping bar and B snapping bar is in the distance at two end points places;

L is the length of A snapping bar and B snapping bar;

D be A snapping bar and B snapping bar pluck fringe section operate as normal the time spacing;

Spatially be staggered when A snapping bar 2 and 5 assemblings of B snapping bar and arrange, its position feature closes and is: A snapping bar 2 and B snapping bar 5 preceding end sections are left and right horizontal mutually arranges, and A snapping bar 2 and B snapping bar 5 back end sections are presented down arranged vertical mutually.

The length L of described A snapping bar 2 and B snapping bar 5 is 500 millimeters to 2000 millimeters.

Described A snapping bar 2 and the distance B of B snapping bar 5 center lines at two end points places are 100 millimeters to 300 millimeters.

A snapping bar 2 and B snapping bar 5 pluck fringe section operate as normal the time spacing d be 10 millimeters to 50 millimeters.

Can distinguish affixed spiral ridge I 7 and spiral ridge II 8 on described A snapping bar 2 and the B snapping bar 5.

Being different from traditional snapping bar axis is generally and is arranged in parallel, the axis arrangement mode of snapping bar is that the space is staggered among the present invention, be described in detail as follows: two snapping bars are distinguished called after A snapping bar 2 and B snapping bar 5 about inciting somebody to action, and the two ends kernel of section of plucking the fringe section is respectively A1, A2 and B1, B2.B snapping bar 5 is placed on the x axle, and two ends kernel of section coordinate is respectively B1(0,0,0), B2 (L, 0,0).The coordinate of A snapping bar 2 two-end-points is respectively A1 (0 ,-D, 0), and A2 (L, 0, D).Adopt this configuration mode, can keep two spacings between the snapping bar to be always d.

The snapping bar monomer partly is to be the rotary body that bus forms around the rotation of x axle with the curved section plucking the fringe section among the present invention, and the arrangement mode of the axis of two snapping bars is for spatially being staggered.The snapping bar and the configuration mode that adopt this particular curve rotary body to make can keep the spacing of plucking between the fringe section of two snapping bars to be always d on the one hand; On the other hand, in the harvest corn process, maize straw imports snapping bar from front end and carries out ear harvesting operation, after maize straw enters the snapping bar middle part, because the assembly relation of special core ear-picking roller, maize straw will be tilted until level gradually by plumbness, after being removed, corn ear will can not stop at snapping bar, but owing to the gravity effect is directly fallen in the fruit ear transporting something containerized device, thereby significantly reduce the time that fruit ear stops between snapping bar, effectively prevented chewing of fruit ear.This space formula core ear-picking roller that is staggered is suitable for supporting use on the different maize harvesting machines.

Description of drawings

Fig. 1 has the space corn snapping unit stereogram that the formula roller can prevent that corn ear from chewing that is staggered

Fig. 2 is the corn snapping unit stereogram that spiral ridge is housed

Fig. 3 assembles schematic diagram for the fringe section of plucking of A snapping bar and B snapping bar

Fig. 4 plucks fringe section assembling side elevation for A snapping bar and B snapping bar

Fig. 5 plucks fringe section floor map for single snapping bar

Wherein: 1. transmission device I 2.A snapping bar 3. guiding centrum I 4. guide centrum II 5.B snapping bars 6. transmission device II 7. spiral ridge I 8. spiral ridge II

Embodiment

Below in conjunction with accompanying drawing described embodiment is further specified the specific embodiment of the present invention.

Embodiment one:

The space corn snapping unit that the formula roller can prevent that corn ear from chewing that is staggered that has of this example is illustrated by Fig. 1, Fig. 3 and Fig. 4:

This example core ear-picking roller adopts the space to be staggered, and places it in the space coordinates, respectively called after A snapping bar 2 and B snapping bar 5, B snapping bar 5 is placed on the x axle positive axis, and the two ends end points is respectively B1 (0,0,0) and B2 (L, 0,0), A snapping bar 2 is staggered with it to be arranged, and the front portion is divided into left and right horizontal arranges, and the rear portion is divided into arranged vertical up and down, its two-end-point coordinate is respectively A1 (0 ,-D, 0) and A2 (L, 0, D).In the harvest corn process, maize straw carries out ear harvesting operation from front end importing A snapping bar and B snapping bar, after maize straw enters A snapping bar 2 and B snapping bar 5 middle parts, because the assembly relation of special core ear-picking roller, maize straw will be tilted until level gradually by plumbness, after being removed, corn ear will can not stop at A snapping bar 2 and B snapping bar 5, but owing to the gravity effect is directly fallen in the fruit ear transporting something containerized device, thereby significantly reduce the time that fruit ear stops between snapping bar, effectively prevented chewing of fruit ear.

Embodiment two:

The corn snapping unit of affixed spiral ridge I 7 and spiral ridge II 8 is illustrated by Fig. 2 on A snapping bar 2 and B snapping bar 5 respectively:

The difference of the core ear-picking roller of this example and embodiment one snapping bar is: be connected with auxiliary spiral ridge I 7 and the spiral ridge II 8 that grasps corn stem on A snapping bar 2 and B snapping bar 5 respectively, this fin can tightly be welded around snapping bar with the reinforcing bar of 3.5 to 10 millimeters of diameters, and pitch is 80 millimeters to 200 millimeters.Remainder is described identical with embodiment one.

Claims (5)

1. one kind has the space corn snapping unit that the formula roller can prevent that corn ear from chewing that is staggered, it is characterized in that being formed by transmission device I (1), A snapping bar (2), guiding centrum I (3), guiding centrum II (4), B snapping bar (5) and transmission device II (6), wherein A snapping bar (2) front and back end is affixed with guiding centrum I (3) and transmission device I (1) respectively, and B snapping bar (5) front and back end is affixed with guiding centrum II (4) and transmission device II (6) respectively;

The fringe segment length of plucking of A snapping bar (2) and B snapping bar (5) is L, and end diameter is H, and plucking the fringe section is to be that bus forms around the rotation of x axle with the curve C, and the equation of curve C is:

$\left\{\begin{array}{c}y=\frac{\sqrt{2}D}{2L}\sqrt{{(x-\frac{L}{2})}^2+\frac{L^2}{4}}-\frac{d}{2}\\ z=0\end{array},(0\&le;x\&le;L)\right.$

In the formula: D is that the center line of A snapping bar and B snapping bar is in the distance at two end points places;

L is the length of A snapping bar and B snapping bar;

D be A snapping bar and B snapping bar pluck fringe section operate as normal the time spacing;

Spatially being staggered when A snapping bar (2) and B snapping bar (5) assembling arranges, its position feature closes: A snapping bar (2) and the preceding end section of B snapping bar (5) are left and right horizontal mutually arranges, and A snapping bar (2) and B snapping bar (5) back end section are presented down arranged vertical mutually.

2. have a space corn snapping unit that the formula roller can prevent that corn ear from chewing that is staggered by claim 1 is described, it is characterized in that the length L of described A snapping bar (2) and B snapping bar (5) is 500 millimeters to 2000 millimeters.

3. have a space corn snapping unit that the formula roller can prevent that corn ear from chewing that is staggered by claim 1 is described, it is characterized in that described A snapping bar (2) and the distance B of B snapping bar (5) center line at two end points places are 100 millimeters to 300 millimeters.

4. have a space corn snapping unit that the formula roller can prevent that corn ear from chewing that is staggered by claim 1 is described, it is characterized in that A snapping bar (2) and B snapping bar (5) pluck fringe section operate as normal the time spacing d be 10 millimeters to 50 millimeters.

5. have a space corn snapping unit that the formula roller can prevent that corn ear from chewing that is staggered by claim 1 is described, it is characterized in that to distinguish affixed spiral ridge I (7) and spiral ridge II (8) on described A snapping bar (2) and the B snapping bar (5).

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