CN110720308A - Improved stem pulling device for corn harvester - Google Patents
Improved stem pulling device for corn harvester Download PDFInfo
- Publication number
- CN110720308A CN110720308A CN201911004017.3A CN201911004017A CN110720308A CN 110720308 A CN110720308 A CN 110720308A CN 201911004017 A CN201911004017 A CN 201911004017A CN 110720308 A CN110720308 A CN 110720308A
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- China
- Prior art keywords
- stalk
- pulling
- ribs
- spiral
- rollers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/02—Harvesting of standing crops of maize, i.e. kernel harvesting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D47/00—Headers for topping of plants, e.g. stalks with ears
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvesting Machines For Root Crops (AREA)
Abstract
The invention relates to an improved stem drawing device for a corn harvester, which comprises two stem drawing rollers arranged on the left and right, wherein the front ends of the two stem drawing rollers are provided with guide conical heads, the rear ends of the two stem drawing rollers are connected with a ear picking box, the two stem drawing rollers are provided with spiral guide ribs, and the peripheral surfaces of the two stem drawing rollers, which are close to the rear ends, are provided with a plurality of sections of strong drawing ribs arranged along the circumferential direction; the spiral leading-in rib adopts a three-section reducing structure with the diameter being reduced in sequence; the front end of the tension bar extends to the contact position with the spiral guide-in bar; a plurality of sections of auxiliary strong lacing wires which are arranged along the circumferential direction are arranged on the outer peripheral surfaces of the two stalk-pulling rollers at the front parts of the strong lacing wires, and the diameters of the auxiliary strong lacing wires are smaller than those of the strong lacing wires; the positions, close to the tail ends, on the peripheral surfaces of the two stalk-pulling rollers are provided with a plurality of sections of reverse-pushing spiral ribs, and the spiral directions of the reverse-pushing spiral ribs are opposite to the spiral directions of the spiral leading-in ribs on the corresponding stalk-pulling rollers. The device avoids the disconnection of the stalks at the roots, solves the problem of blockage of the header, improves the operation efficiency and can greatly reduce the generation of impurities.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, relates to a corn harvester, and particularly relates to an improved stem pulling device for the corn harvester.
Background
The existing corn harvester adopts a straw cutting mode that the upper part clamps the straws through a straw pulling device and conveys the straws backwards, the lower part adopts a matching structure of a reciprocating moving and static cutter to cut off, and the cutting part is a short distance above the root so that the root is kept in the soil body. Wherein draw stem device to adopt and control complex roll-type stem roller structure, the front end of controlling two stem rollers is provided with the direction conical head, the rear end of two stem rollers links up plucking the ear of grain case, be provided with the leading-in muscle of spiral on two stem rollers, the leading-in muscle of spiral adopts the unanimous reinforcing bar of diameter, the rear end portion that is close to plucking the ear of grain case on two stem rollers is provided with the multistage bar of pulling by force, the multistage bar of pulling by force evenly arranged is on the outer peripheral face of stem roller, and sets up along the circumference of stem roller.
The existing roller type stalk-pulling roller has thinner spiral leading-in ribs at the front section and shorter strong root-pulling ribs, so that under the condition of larger feeding amount or higher water content of corn stalks, the stalks are easy to break at the roots of the stalk-pulling roller and directly enter a header; the cutting table is blocked due to a large amount of broken stalks, so that the operation efficiency is greatly reduced; in addition, the header produces a large amount of miscellaneous residue when drawing the stem, leads to the ear of grain case miscellaneous residue to pile up too much.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an improved stem pulling device for a corn harvester, which can avoid the stem from being disconnected at the root of a stem pulling roller, solve the problem of blockage of a header, improve the operation efficiency and greatly reduce the generation of impurities.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an improved generation draws stem device for on maize picker, including being two roller-type stalk-pulling rollers that set up about, the front end of two stalk-pulling rollers is provided with the direction conical head, and the rear end of two stalk-pulling rollers links up has plucked the ear of grain case, is provided with the leading-in muscle of spiral on two stalk-pulling rollers, and the rear end portion that is close to plucking the ear of grain case on two stalk-pulling roller outer peripheral faces is provided with the multistage bar that pulls by force that arranges along the circumferencial direction, its characterized in that:
the spiral leading-in ribs adopt three-section variable diameter structures, and the diameters of the three sections of spiral leading-in ribs are reduced in sequence from front to back;
the front end of the tension rib extends to the position where the tension rib is contacted with the spiral guide rib;
a plurality of sections of auxiliary strong lacing wires which are arranged along the circumferential direction are arranged on the outer peripheral surfaces of the two stalk-pulling rollers at the front parts of the strong lacing wires, and the diameters of the auxiliary strong lacing wires are smaller than those of the strong lacing wires;
the positions, close to the tail ends, on the peripheral surfaces of the two stalk-pulling rollers are provided with a plurality of sections of reverse-pushing rotary ribs, the reverse-pushing rotary ribs are arranged between the strong-pulling ribs, and the rotating direction of the reverse-pushing rotary ribs is opposite to the rotating direction of the spiral guide-in ribs on the corresponding stalk-pulling rollers.
Moreover, the number of the strong lacing wires on each lacing wire stem roller is 4-6, and the length of each strong lacing wire is 100-200 mm.
Furthermore, the starting position of the rear end of the most rear section of the auxiliary strong lacing wire on the two stalk-pulling rollers is connected with the position of the front end of the shortest strong lacing wire on the corresponding stalk-pulling roller; and one auxiliary strong lacing wire is arranged at every 120 degrees along the circumferential direction of the corresponding stalk-pulling roller.
And the reverse-thrust rotary ribs adopt reinforcing steel bars with the diameter of 3-4mm, and 2-4 reinforcing steel bars are arranged on the surface of the stalk-pulling roll around the central shaft of the stalk-pulling roll.
The invention has the advantages and positive effects that:
1. the leading-in muscle of spiral in this improved generation draws stem device adopts by preceding to the back three-section reducing formula structure that the diameter reduces in proper order, increases the clearance between the spiral muscle of rear end, has avoided two to draw the stem roller rear end clearance undersize and has caused the stem stalk to draw the root disconnection of stem roller, prevents the emergence of the maize stem stalk jam condition.
2. The front end of the lacing wire in the improved stem drawing device extends to the contact position with the spiral guide-in wire, so that the length of the lacing wire is effectively prolonged, the effective length of the lacing wire is increased, and the operation efficiency is improved.
3. The auxiliary strong lacing wire is additionally arranged at the front part of the strong lacing wire in the improved stem pulling device, so that stems can be pulled after entering the middle position of the pulling stem, the stem pulling pressure of the rear-end strong lacing wire is reduced, the strong pulling effective length is further increased, and the operation efficiency is improved.
4. This improved generation draws stem device through at the end increase reverse push and revolve the muscle, when the stem stalk to drawing the stem roller end, because of reverse push revolves the muscle and revolves to opposite with spiral muscle, can push back the stem stalk, has avoided the stem stalk to pile up, block up at drawing the stem roller end.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.
An improved stem drawing device for a corn harvester is shown in a figure 1 and comprises two stem drawing rollers 1, wherein the two stem drawing rollers are arranged in a left-right mode, a space for clamping stems is formed between the two stem drawing rollers, guide conical heads are arranged at the front ends of the two stem drawing rollers, ear picking boxes 6 are connected at the rear ends (roots) of the two stem drawing rollers, and spiral leading-in ribs 2 are arranged on the two stem drawing rollers. According to the relative position of the spiral guide ribs on the two stalk-pulling rollers, the two stalk-pulling rollers are assembled in different manners, specifically, when the spiral guide ribs on the two stalk-pulling rollers are staggered, the two stalk-pulling rollers are assembled in a staggered manner, and the feeding is uniform and continuous; when the spiral guide ribs on the two stalk-pulling rollers are arranged oppositely, the two stalk-pulling rollers are assembled oppositely, so that the feeding machine has the advantage of strong feeding, and the two assembling modes can adapt to corn crops with different growth vigors. The rear end parts of the outer peripheral surfaces of the two stalk-pulling rollers, which are close to the ear picking box, are provided with a plurality of sections of strong lacing bars 4 which are arranged along the circumferential direction, and besides the technical characteristics, the invention point of the technical scheme is as follows:
the spiral guide-in ribs are of a three-section variable diameter structure, the diameters of the three sections of spiral guide-in ribs from front to back are sequentially reduced, and the spiral guide-in ribs are respectively large-diameter section spiral guide-in ribs, middle-diameter section spiral guide-in ribs and small-diameter section spiral guide-in ribs.
And secondly, the front end of the strengthening rib extends to the position in contact with the spiral guide rib.
And thirdly, a plurality of sections of auxiliary strong lacing wires 3 arranged along the circumferential direction are arranged on the peripheral surfaces of the two stalk-pulling rollers at the front parts of the strong lacing wires, and the diameter of the auxiliary strong lacing wires is smaller than that of the strong lacing wires.
Fourthly, a plurality of sections of reverse-pushing rotary ribs 5 are arranged on the outer peripheral surfaces of the two stalk-pulling rollers and close to the tail ends, the reverse-pushing rotary ribs are arranged between the strong-pulling ribs, and the rotating direction of the reverse-pushing rotary ribs is opposite to the rotating direction of the spiral guide-in ribs on the corresponding stalk-pulling rollers.
In the structure, the number of the strong lacing wires on each lacing wire stem roller is 4-6, and the length of each section of the strong lacing wire is determined according to the distance combined with the spiral leading-in rib and is between 100 and 200 mm.
In the above structure, since the auxiliary bead is provided in the pitch space of the spirally introduced bead, the plural sections of the auxiliary beads on the two stem drawing rolls are not in agreement in the axial position, wherein the rear end start position of the rearmost section of the auxiliary bead is engaged with the front end position of the shortest bead on the corresponding stem drawing roll. And one auxiliary strong lacing wire is arranged at every 120 degrees along the circumferential direction of the corresponding stalk-pulling roller.
In the structure, the reverse-thrust rotating ribs are reinforcing steel bars with the diameter of 3-4mm, and 2-4 reinforcing steel bars are arranged on the surface of the stalk-pulling roll around the central shaft of the stalk-pulling roll.
This improved generation draws stem device has solved disconnected stem stalk problem, has solved the header and has blockked up the problem, has solved the header and has produced the miscellaneous too much problem to the operating efficiency has been promoted.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (4)
1. The utility model provides an improved generation draws stem device for on maize picker, including being two roller-type stalk-pulling rollers that set up about, the front end of two stalk-pulling rollers is provided with the direction conical head, and the rear end of two stalk-pulling rollers links up has plucked the ear of grain case, is provided with the leading-in muscle of spiral on two stalk-pulling rollers, and the rear end portion that is close to plucking the ear of grain case on two stalk-pulling roller outer peripheral faces is provided with the multistage bar that pulls by force that arranges along the circumferencial direction, its characterized in that:
the spiral leading-in ribs adopt three-section variable diameter structures, and the diameters of the three sections of spiral leading-in ribs are reduced in sequence from front to back;
the front end of the tension rib extends to the position where the tension rib is contacted with the spiral guide rib;
a plurality of sections of auxiliary strong lacing wires which are arranged along the circumferential direction are arranged on the outer peripheral surfaces of the two stalk-pulling rollers at the front parts of the strong lacing wires, and the diameters of the auxiliary strong lacing wires are smaller than those of the strong lacing wires;
the positions, close to the tail ends, on the peripheral surfaces of the two stalk-pulling rollers are provided with a plurality of sections of reverse-pushing rotary ribs, the reverse-pushing rotary ribs are arranged between the strong-pulling ribs, and the rotating direction of the reverse-pushing rotary ribs is opposite to the rotating direction of the spiral guide-in ribs on the corresponding stalk-pulling rollers.
2. An improved stalk pulling apparatus for use on a corn harvester as defined in claim 1, wherein: the number of the strong lacing wires on each lacing wire stem roller is 4-6, and the length of each strong lacing wire is 100-200 mm.
3. An improved stalk pulling apparatus for use on a corn harvester as defined in claim 1, wherein: the starting position of the rear end of the most rear section of the auxiliary strong lacing wire on the two stalk-pulling rollers is connected with the position of the front end of the shortest strong lacing wire on the corresponding stalk-pulling roller; and one auxiliary strong lacing wire is arranged at every 120 degrees along the circumferential direction of the corresponding stalk-pulling roller.
4. An improved stalk pulling apparatus for use on a corn harvester as defined in claim 1, wherein: the reverse pushing rotary ribs are made of reinforcing steel bars with the diameter of 3-4mm, and 2-4 reinforcing steel bars are arranged on the surface of the stem drawing roller around the central shaft of the stem drawing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911004017.3A CN110720308A (en) | 2019-10-22 | 2019-10-22 | Improved stem pulling device for corn harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911004017.3A CN110720308A (en) | 2019-10-22 | 2019-10-22 | Improved stem pulling device for corn harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110720308A true CN110720308A (en) | 2020-01-24 |
Family
ID=69220663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911004017.3A Pending CN110720308A (en) | 2019-10-22 | 2019-10-22 | Improved stem pulling device for corn harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110720308A (en) |
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2019
- 2019-10-22 CN CN201911004017.3A patent/CN110720308A/en active Pending
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