CN218388792U

CN218388792U - Threshing cylinder of harvester

Info

Publication number: CN218388792U
Application number: CN202222830068.5U
Authority: CN
Inventors: 苗娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-31
Anticipated expiration: 2032-10-26

Abstract

The utility model belongs to the technical field of the harvester, especially, relate to a threshing cylinder of harvester, including the drum shaft, the drum shaft is located the centre of a circle department of drum mechanism, and the right-hand member outside of drum shaft and the right-hand member that is located drum mechanism are installed and are born the weight of the mechanism, and the right-hand member outside of bearing the weight of the mechanism is provided with separating mechanism, and spike tooth mechanism is installed to separating mechanism's one end. The utility model discloses utilize first polygonal width of cloth dish and second polygonal width of cloth dish in this application, eight rasp bars in with current threshing cylinder reduce to six rasp bars that the annular distributes, this threshing cylinder draws up and to alleviate engine load, and six separation plates through the crisscross distribution of spiral, the results are cleaner, the separation plate is littleer to the percentage of damage of wheat straw, cleaning plant for the harvester has also alleviateed the load, the straight-tooth that uses in the current threshing cylinder, change into the spike-tooth body of arc structure, be difficult to hang the grass like this, the arc spike-tooth body is more smooth and easy, quicker at row grass than the straight-tooth.

Description

Threshing cylinder of harvester

Technical Field

The utility model belongs to the technical field of the harvester, especially, relate to a threshing cylinder of harvester.

Background

The harvester is a machine for integrally harvesting crops, finishes harvesting and threshing at one time, collects grains to a storage bin, conveys the grains to a transport vehicle through a conveying belt, can also use manual harvesting to lay straws of crops such as rice, wheat and the like in the field, and then picks up and threshes the straws by using a grain harvesting machine.

In agriculture, a harvester is an extremely important machine, a threshing cylinder is an important part for threshing in the harvester, and the threshing cylinders commonly used in the market have many parts, so that the whole weight of the threshing cylinder is heavy, the load is heavy, the threshing is insufficient, residues exist, and the crushing rate of wheat straws is high. Therefore, there is a need to improve the existing threshing cylinder and to provide a threshing cylinder for a harvester.

Disclosure of Invention

An object of the utility model is to the not enough that exists among the prior art, provide a reasonable in design, simple structure, light in weight to the lower threshing cylinder of the percentage of damage of wheat straw for solve the part that exists among the prior art many, cause threshing cylinder's whole heavy, heavy load, thresh insufficiently moreover, can have to remain, the higher scheduling problem of the percentage of damage to the wheat straw.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a threshing cylinder of a harvester comprises a cylinder shaft, wherein the cylinder shaft is positioned at the center of a circle of a cylinder mechanism, a bearing mechanism is arranged on the outer side of the right end of the cylinder shaft and on the right end of the cylinder mechanism, a separating mechanism is arranged on the outer side of the right end of the bearing mechanism, and a spike-tooth mechanism is arranged at one end of the separating mechanism.

In a preferred embodiment, the drum mechanism comprises a first polygonal breadth disc, a second polygonal breadth disc and rasp bars, two second polygonal breadth discs are arranged on the right side of the first polygonal breadth disc, and six rasp bars are annularly distributed on the peripheral side of the first polygonal breadth disc.

In a preferred embodiment, the first polygonal breadth disc and the two second polygonal breadth discs are distributed at equal intervals, the first polygonal breadth disc and the second polygonal breadth disc are identical in size, and the first polygonal breadth disc and the second polygonal breadth disc are fixedly connected with the rasp bar.

As a preferred embodiment, the bearing mechanism comprises supporting disks and fixing rods, the supporting disks are arranged among the six fixing rods at equal intervals, and the left ends of the six fixing rods are fixedly connected with the roller mechanism.

As a preferred embodiment, the separating mechanism comprises a supporting frame, a connecting plate, a separating plate, fastening bolts and nuts, wherein the connecting plate is fixedly connected to one end of the supporting frame, the separating plate is installed on one side, away from the supporting frame, of the connecting plate, the fastening bolts are arranged inside the separating plate, and the nuts are installed between the two supporting frames and outside one ends of the fastening bolts.

As a preferred embodiment, through holes with the same size are formed in the top end of the connecting plate and the separating plate, the connecting plate and the separating plate form a detachable structure, and the support frame is fixedly connected with the bearing mechanism.

As a preferred implementation mode, the spike tooth mechanism comprises a positioning seat and a spike tooth body, the positioning seat is fixedly connected with the spike tooth body, the spike tooth body is of an arc-shaped structure, and the positioning seat is fixedly connected with the bearing mechanism.

In a preferred embodiment, the spike tooth mechanism and the separation mechanism are spirally and alternately distributed outside the bearing mechanism.

Compared with the prior art, the beneficial effects of the utility model are that:

in the scheme of the utility model:

according to the application, a first polygonal breadth disc and a second polygonal breadth disc are utilized, eight ridge rods in an existing threshing cylinder are reduced to six ridge rods which are distributed annularly, the threshing cylinder can reduce the load of an engine when being pulled up, harvesting is cleaner through six separation plates which are distributed in a spiral staggered mode, the crushing rate of the separation plates to the ridge rods is smaller, the load of a cleaning device of a harvester is reduced, straight teeth used in the existing threshing cylinder are replaced by spike tooth bodies with arc-shaped structures, grass hanging is not easy to happen, and the arc-shaped spike tooth bodies are smoother and faster than the straight teeth in grass discharge;

through aligning the through-hole with the inside not co-altitude of separation plate with the through-hole at connecting plate top, pass the inside through-hole of separation plate and connecting plate and link to each other with the nut afterwards with fastening bolt, can be with stable the installing on the connecting plate of separation plate, because the through-hole of co-altitude is seted up to the inside of separation plate, consequently be convenient for carry out convenient adjustment to the separation plate, can change the cylinder diameter according to threshing cylinder's in-service use environment, let the wheat loss littleer.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and the following description will be made with reference to the drawings:

fig. 1 is a schematic view of the three-dimensional front view structure of the present invention;

FIG. 2 is a left side view schematic structure diagram of the roller mechanism of the present invention;

FIG. 3 is a schematic view of the right side structure of the carrying mechanism of the present invention;

fig. 4 is a structural schematic diagram of the separating mechanism in a split state;

fig. 5 is a schematic view of the structure of the spike-tooth mechanism of the present invention.

In the figure:

1. a drum shaft; 2. a drum mechanism; 21. a first polygonal web; 22. a second polygonal web; 23. a rasp bar; 3. a carrying mechanism; 31. a support disc; 32. fixing the rod; 4. a separating mechanism; 41. a support frame; 42. a connecting plate; 43. a separation plate; 44. fastening a bolt; 45. a nut; 5. a spike-tooth mechanism; 51. positioning seats; 52. spike tooth body.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and do not represent all embodiments consistent with the present invention. Exemplary embodiments will now be described with reference to the accompanying drawings, in which:

as shown in one of fig. 1-5, the utility model discloses threshing cylinder of harvester, it includes roller shaft 1, roller shaft 1 is located the centre of a circle department of roller mechanism 2, through the setting of roller shaft 1, be convenient for this threshing cylinder's installation, the right-hand member outside of roller shaft 1 and the right-hand member that is located roller mechanism 2 are installed and are born mechanism 3, the right-hand member outside that bears mechanism 3 is provided with separating mechanism 4, under separating mechanism 4's effect, be convenient for carry out the wheat straw and thresh, spike tooth mechanism 5 is installed to separating mechanism 4's one end, under spike tooth mechanism 5's effect, be convenient for carry on more smooth and easy, quick row grass.

In a preferred embodiment, based on the above structure, the drum mechanism 2 further includes a first polygonal disk 21, a second polygonal disk 22 and rasp bars 23, wherein two second polygonal disks 22 are disposed on the right side of the first polygonal disk 21, six rasp bars 23 are annularly distributed on the peripheral side of the first polygonal disk 21, and feeding and kneading of crops are facilitated through the rasp bars 23.

In a preferred embodiment, based on the above structure, further, three of the first polygonal disk 21 and the two second polygonal disks 22 are distributed equidistantly, the first polygonal disk 21 and the second polygonal disk 22 have the same size, the first polygonal disk 21 and the second polygonal disk 22 are fixedly connected with the rasp 23, and the six rasp 23 are distributed annularly, so that the engine load is reduced.

As a preferred embodiment, on the basis of the above structure, further, the bearing mechanism 3 includes supporting disks 31 and fixing rods 32, three supporting disks 31 are equidistantly disposed between six fixing rods 32, and left ends of the six fixing rods 32 are all fixedly connected with the drum mechanism 2, so that the mounting of the separating mechanism 4 and the spike-tooth mechanism 5 is facilitated under the action of the bearing mechanism 3.

In a preferred embodiment, in addition to the above structure, the separating mechanism 4 further includes a supporting frame 41, a connecting plate 42, a separating plate 43, a fastening bolt 44 and a nut 45, the connecting plate 42 is fixedly connected to one end of the supporting frame 41, the separating plate 43 is installed on one side of the connecting plate 42 away from the supporting frame 41, the fastening bolt 44 is arranged inside the separating plate 43, the nut 45 is installed on the outer side of one end of the fastening bolt 44 and between the two supporting frames 41, and the installation height of the separating plate 43 on the connecting plate 42 is convenient to adjust through the arrangement of the fastening bolt 44 and the nut 45.

In a preferred embodiment, in addition to the above structure, through holes with the same size are formed in both the top end of the connecting plate 42 and the separating plate 43, the connecting plate 42 and the separating plate 43 form a detachable structure, the supporting frame 41 is fixedly connected with the carrying mechanism 3, and the stable installation of the connecting plate 42 and the separating plate 43 is facilitated by the arrangement of the supporting frame 41.

In a preferred embodiment, on the basis of the above structure, further, the spike teeth mechanism 5 comprises a positioning seat 51 and a spike teeth body 52, the positioning seat 51 is fixedly connected with the spike teeth body 52, the spike teeth body 52 is of an arc structure, the positioning seat 51 is fixedly connected with the bearing mechanism 3, grass hanging is not easy to occur through the spike teeth body 52 of the arc structure, and the arc spike teeth body 52 is smoother and faster than straight-tooth grass discharge.

In a preferred embodiment, on the basis of the above structure, the spike-tooth mechanisms 5 and the separating mechanisms 4 are spirally and alternately distributed outside the bearing mechanism 3, so that the threshing efficiency is improved.

The working principle of the utility model is as follows:

when the threshing cylinder is used, firstly, the threshing cylinder is arranged on a harvester through the cylinder shaft 1, in the process of feeding and threshing the wheat straws by utilizing the threshing cylinder, the eight grain rods 23 in the existing threshing cylinder are reduced to six grain rods 23 which are annularly distributed on the first polygonal breadth disc 21 and the second polygonal breadth disc 22, so that the engine load of a cutting machine can be reduced when the threshing cylinder is pulled and operated, the wheat grains can be harvested more cleanly through the six separating plates 43 which are spirally and alternately distributed, meanwhile, the crushing rate of the separating plates 43 on the wheat straws is smaller, and the load of a cleaning device on the harvester is also reduced;

meanwhile, straight teeth used in the existing threshing cylinder are replaced by the spike-tooth bodies 52 with arc-shaped structures, so that the phenomenon of grass hanging is not easy to occur, and compared with the straight teeth, the arc-shaped spike-tooth bodies 52 are smoother, faster and more efficient in grass discharge than the straight teeth;

according to the actual needs of threshing, the nut 45 can be taken down, then the through holes with different heights in the separating plate 43 are aligned with the through hole at the top of the connecting plate 42, and then the fastening bolt 44 penetrates through the separating plate 43 and the connecting plate 42 and is connected with the nut 45, so that the separating plate 43 can be fixedly installed on one side of the connecting plate 42, and the diameter of the roller can be changed according to the actual use environment of the threshing roller due to the fact that a plurality of groups of through holes with different heights are formed in the separating plate 43, and the loss of wheat grains is smaller.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the present invention is not limited to the particular embodiments described herein, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

Claims

1. A threshing cylinder of a harvester comprises a cylinder shaft (1), and is characterized in that: the drum shaft (1) is located at the circle center of the drum mechanism (2), the bearing mechanism (3) is installed at the outer side of the right end of the drum shaft (1) and at the right end of the drum mechanism (2), the separating mechanism (4) is arranged at the outer side of the right end of the bearing mechanism (3), and the spike-tooth mechanism (5) is installed at one end of the separating mechanism (4).

2. The threshing cylinder of a harvester according to claim 1, wherein: the drum mechanism (2) comprises a first polygonal breadth disc (21), second polygonal breadth discs (22) and rasp bars (23), wherein the two second polygonal breadth discs (22) are arranged on the right side of the first polygonal breadth disc (21), and the six rasp bars (23) are annularly distributed on the peripheral side of the first polygonal breadth disc (21).

3. The threshing cylinder of a harvester according to claim 2, wherein: the first polygonal breadth disc (21) and the two second polygonal breadth discs (22) are distributed at equal intervals, the sizes of the first polygonal breadth disc (21) and the second polygonal breadth disc (22) are completely consistent, and the first polygonal breadth disc (21) and the second polygonal breadth disc (22) are fixedly connected with the rasp bar (23).

4. The threshing cylinder of a harvester according to claim 1, wherein: bearing mechanism (3) are including supporting disk (31) and dead lever (32), and three supporting disk (31) are the equidistance and locate six between dead lever (32), six the left end of dead lever (32) all links to each other with cylinder mechanism (2) is fixed.

5. The threshing cylinder of a harvester according to claim 1, wherein: separating mechanism (4) are including support frame (41), connecting plate (42), separator plate (43), fastening bolt (44) and nut (45), and the one end fixedly connected with connecting plate (42) of support frame (41), and separator plate (43) are installed to one side that connecting plate (42) deviate from support frame (41), and the inside of separator plate (43) is provided with fastening bolt (44), and the one end outside of fastening bolt (44) just is located two install nut (45) between support frame (41).

6. The threshing cylinder of a harvester according to claim 5, wherein: through holes with the same size are formed in the top end of the connecting plate (42) and the separating plate (43), the connecting plate (42) and the separating plate (43) form a dismounting structure, and the supporting frame (41) is fixedly connected with the bearing mechanism (3).

7. The threshing cylinder of a harvester according to claim 1, wherein: the spike tooth mechanism (5) comprises a positioning seat (51) and a spike tooth body (52), the positioning seat (51) is fixedly connected with the spike tooth body (52), the spike tooth body (52) is of an arc-shaped structure, and the positioning seat (51) is fixedly connected with the bearing mechanism (3).

8. The threshing cylinder of a harvester according to claim 1, wherein: the spike tooth mechanism (5) and the separating mechanism (4) are spirally and alternately distributed on the outer side of the bearing mechanism (3).