CN216017880U - Threshing cylinder for multifunctional grain combine harvester - Google Patents
Threshing cylinder for multifunctional grain combine harvester Download PDFInfo
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- CN216017880U CN216017880U CN202122316916.6U CN202122316916U CN216017880U CN 216017880 U CN216017880 U CN 216017880U CN 202122316916 U CN202122316916 U CN 202122316916U CN 216017880 U CN216017880 U CN 216017880U
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Abstract
The utility model discloses a threshing cylinder for a multifunctional grain combine harvester, which comprises a cylinder body component and threshing rubbing blocks, wherein the cylinder body component comprises a cylinder main body, a cylinder body of the cylinder main body is fixedly connected with a plurality of threshing rubbing block fixing seats which are arranged in a spiral line shape, and each spiral line is distributed with a plurality of threshing rubbing block fixing seats; the threshing rubbing block is buckled on the threshing rubbing block fixing seat and is connected through a bolt; the threshing rubbing blocks are arranged in a spiral shape and are cast steel pieces, the working surfaces of the threshing rubbing blocks are curved surfaces, and the curved surfaces are provided with oblique convex lines. The threshing cylinder provided by the utility model has the advantages of both a spike-tooth type cylinder and a threaded rod type cylinder, has wide adaptability to crop varieties, and has the advantages of long threshing time for crops, high threshing rate, less grain breakage, less straw breakage, uneven feeding and no blockage when the crops are wet.
Description
Technical Field
The utility model relates to a threshing cylinder for a multifunctional grain combine harvester, and belongs to the technical field of agricultural mechanical equipment.
Background
The threshing cylinder of the existing grain combine harvester is generally in a spike-tooth type and a rasp bar type.
Although the spike-tooth type roller has strong capability of grabbing crops and threshing and has good adaptability to uneven feeding and wet crops, the straw is broken more, the separation capability of the spike-tooth type roller and a gravure sieve is not high, the spike-tooth type roller is mainly suitable for threshing small grain crops such as rice and wheat, and the threshing applicability to large grain crops such as corn and soybean is not high.
The corrugated rod type roller has a simple structure, wide adaptability to crop varieties, good threshing and separating performance, less straw breakage, uneven feeding and easy blockage of the roller when the crops are wet.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a threshing cylinder for a multifunctional grain combine harvester, which can simultaneously have the advantages of a spike-tooth type cylinder and a threaded rod type cylinder, has wide adaptability to crop varieties, long threshing time for crops, high threshing rate, less grain breakage, less straw breakage, uneven feeding and no blockage when the crops are wet.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a threshing cylinder for a multifunctional grain combine harvester comprises a cylinder body component and a threshing rubbing block;
the cylinder body assembly comprises a cylinder body, wherein a cylinder body of the cylinder body is fixedly connected with a plurality of threshing rubbing block fixing seats which are arranged in a spiral line shape, and a plurality of threshing rubbing block fixing seats are distributed on each spiral line;
the threshing rubbing block is buckled on the threshing rubbing block fixing seat and is connected through a bolt; the threshing rubbing blocks are arranged in a spiral shape and are cast steel pieces, the working surfaces of the threshing rubbing blocks are curved surfaces, and the curved surfaces are provided with oblique convex lines.
Furthermore, the front end of the roller main body is fixedly connected with a front shaft head fixing seat, and the rear end of the roller main body is fixedly connected with a rear transmission shaft head fixing seat; the front spindle head fixing seat is connected with the front fixing spindle head through a bolt, and the rear transmission shaft head fixing seat is connected with the rear transmission shaft head through a bolt.
Furthermore, the head of the roller main body is of a conical cylinder structure, two feeding auger blades are fixedly connected to the head of the roller main body, and the auger blades are supported and fixed through reinforcing ribs; the two auger blades are staggered by 180 degrees, the auger blades are of a reducing spiral structure, and the diameter of the front end of each auger blade is larger than that of the rear end of each auger blade.
Further, the number of the spiral lines is 6.
Furthermore, each spiral line is distributed with 10 threshing rubbing block fixing seats.
Furthermore, a plurality of grass discharging blocks are arranged around the middle rear part of the roller main body, and the grass discharging blocks are buckled on the threshing rubbing block fixing seat and connected through hexagonal flange face bolts.
Furthermore, the number of grass discharging blocks is 3, and the 3 grass discharging blocks are circumferentially and uniformly distributed.
Furthermore, the number of grass discharging blocks is 6, and the 6 grass discharging blocks are arranged in a staggered mode.
Furthermore, the tail end of the roller main body is fixedly connected with a rear grass discharging plate fixing seat which is sleeved outside the rear transmission shaft head fixing seat; be equipped with 3 back row grass board fixed plates that are the circumference equipartition on the rear drive axle head fixing base, back row grass board fixed plate is the heliciform and arranges.
Furthermore, the rear row grass plate fixing plate is fixedly connected with the rear row grass plate through a half-round head square neck bolt.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
the threshing rubbing block is of a casting structure, the working surface is a curved surface, and the threshing rubbing block is provided with the inclined convex lines, so that the capability of grabbing and rubbing crops is strong, the friction damage to grains is small, and the grain crushing rate is low; the rubbing blocks are spirally arranged on the roller body, so that the uniform and smooth flow of the crop flow is ensured; when the feeding amount of the material flow is large, the grass discharging blocks which are uniformly distributed on the circumference at the middle rear part of the cylinder body of the roller also play a role in strengthening the stirring and conveying of the crops after flowing to avoid blockage;
the utility model integrates the advantages of the spike-tooth type and the threaded rod type roller, has wider adaptability to crop varieties, has long threshing time for crops, high threshing rate, less grain breakage, less straw breakage, smooth work and no blockage when the feeding is uneven and the crops are wet.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the drum body assembly;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a right side view of FIG. 2;
fig. 5 is an assembly schematic diagram of the threshing twine block and the threshing twine block fixing seat;
fig. 6 is an assembly view of the grass discharging block and the threshing rub block fixing seat.
In the figure, 1-a roller body component, 11-a roller body, 12-a threshing rubbing block fixing seat, 13-a front shaft head fixing seat, 14-a rear transmission shaft head fixing seat, 15-an auger blade, 16-a reinforcing rib and 17-a rear grass discharging plate fixing seat; 2-front fixed shaft head; 3-rear drive axle head; 4-threshing and rubbing block; 5-grass discharging blocks; 6-rear row of grass plates.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1-6, the utility model provides a threshing cylinder for a multifunctional grain combine harvester, which comprises a cylinder body component 1, a front fixed shaft head 2, a rear transmission shaft head 3, a threshing rubbing block 4, a grass discharging block 5 and a rear grass discharging plate 6.
Roller body subassembly 1 includes roller body 11, and roller body 11 front end rigid coupling has preceding spindle nose fixing base 13, and roller body 11 rear end rigid coupling has rear drive axle spindle nose fixing base 14, and preceding spindle nose fixing base 13 and rear drive axle spindle nose fixing base 14 all set up with roller body 11 is coaxial.
The front spindle head fixing seat 13 is connected with the front fixing spindle head 2 through a bolt, the rear transmission shaft head fixing seat 14 is connected with the rear transmission shaft head 3 through a bolt, and the front fixing spindle head 2 and the rear transmission shaft head 3 are used for fixing the roller body assembly 1 on the combine harvester; the rear transmission shaft head 3 is provided with a spline which is connected with the roller transmission case to drive the roller body assembly 1 to rotate.
The head of the roller body 11 is of a conical cylinder structure, two feeding auger blades 15 are fixedly connected to the head of the roller body 11, and the auger blades 15 are supported and fixed through reinforcing ribs 16; the two auger blades 15 are staggered by 180 degrees, the auger blades 15 are of a reducing spiral structure, and the diameter of the front end of each auger blade 15 is larger than that of the rear end of each auger blade.
The cylinder body of the cylinder main body 11 is of a cylindrical structure, the cylinder body is fixedly connected with a threshing rubbing block fixing seat 12 which is arranged in a spiral shape, the number of the spiral lines is multiple, and the spiral lines are arranged at equal intervals on the circumference; the number of the spiral lines is preferably 6; a plurality of threshing twine block fixing seats 12 are distributed on each spiral line, and the number of the threshing twine block fixing seats 12 is preferably 10.
The threshing rubbing block 4 is buckled on the threshing rubbing block fixing seat 12 and is connected through a hexagonal flange face bolt; the threshing rubbing blocks 4 are arranged spirally; the threshing rubbing block 4 is a steel casting, the working surface of the threshing rubbing block 4 is a curved surface, and the curved surface is provided with oblique convex lines.
When the threshing rubbing block 4 is installed on the roller body 11, the tip of the bottom end of the threshing rubbing block 4 is completely attached to the roller body 11, so that the gap between the threshing concave plate and the position is the largest, the kneading force of the grains clamped between the crops and the threshing concave plate is the smallest, along with the rotation of the whole roller body 11, the gap between the threshing rubbing block 4 and the threshing concave plate is the smallest at the top of the threshing rubbing block, the kneading force reaches the largest, the cambered surface can generate the gradually-increased kneading force in the grain kneading process, the grains cannot be broken because the kneading force is always large, and the threshing rubbing block has the advantages of being strong in crop grabbing and rubbing capacity, small in friction damage to the grains and low in grain breaking rate.
The periphery of the middle rear part of the roller body 11 is provided with a plurality of grass discharging blocks 5, the grass discharging blocks 5 are buckled on the threshing rubbing block fixing seat 12 and connected through hexagonal flange face bolts, and the grass discharging blocks 5 are used for conveying crops backwards in a shifting mode to avoid blockage.
The number of the grass discharging blocks 5 is 3 or 6, 3 grass discharging blocks are installed under general conditions, and the 3 grass discharging blocks 5 are uniformly distributed in the circumference; when high-yield crops occur, 6 grass discharging blocks 5 are installed, and the 6 grass discharging blocks are arranged in a staggered mode.
The tail end of the roller body 11 is fixedly connected with a rear grass discharging plate fixing seat 17, and the rear grass discharging plate fixing seat 17 is sleeved outside a rear transmission shaft head fixing seat 14; 3 rear grass discharging plate fixing plates which are uniformly distributed in the circumferential direction are arranged on the rear transmission shaft head fixing seat 14, and are spirally arranged so as to facilitate grass discharging; the back row grass board fixed plate is used for installing back row grass board 6, and back row grass board 6 carries out fixed connection through half-round head square neck bolt with back row grass board fixed plate, and back row grass board 6 is used for discharging the crop straw that has accomplished threshing backward smoothly, has solved the problem that the crop straw that has threshed among the traditional harvester easily leads to the straw to block up along the left and right sides discharge of threshing cylinder axis, has guaranteed whole equipment and has just produced work.
The specific working principle of the utility model is as follows:
during operation, crops flow through the auger blades 15 and are conveyed to the periphery of the roller body 11, the threshing rubbing blocks 4 which are spirally arranged on the roller body 11 are matched with the threshing concave sieve to effectively thresh the crops, and meanwhile, the mode that the threshing rubbing blocks 4 are spirally arranged also plays a role in conveying the crops backwards in a spiral mode. When the logistics feeding amount is large, the grass discharging block 5 at the middle rear part of the cylinder body of the cylinder main body 11 also plays a role in strengthening the pushing and conveying of the crop flow direction, and the threshed crop straws are smoothly discharged through the rear grass discharging plate 6 which is spirally distributed at the tail end of the cylinder main body 11.
The utility model integrates all the advantages of the spike-tooth type and the threaded rod type roller, has wider adaptability to crop varieties, has long threshing time for crops, high threshing rate, less grain breakage, less straw breakage, smooth work and no blockage when the feeding is uneven and the crops are wet.
The foregoing is illustrative of the best mode of the utility model and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.
Claims (10)
1. The utility model provides a threshing cylinder for multi-functional cereal combine which characterized in that: comprises a roller body component (1) and a threshing rubbing block (4);
the roller body assembly (1) comprises a roller body (11), wherein a plurality of threshing rubbing block fixing seats (12) which are arranged in a spiral line shape are fixedly connected to the body of the roller body (11), and a plurality of threshing rubbing block fixing seats (12) are distributed on each spiral line;
the threshing rubbing block (4) is buckled on the threshing rubbing block fixing seat (12) and is connected through a bolt; the threshing rubbing blocks (4) are arranged in a spiral shape, the threshing rubbing blocks (4) are cast steel pieces, the working surfaces of the threshing rubbing blocks (4) are curved surfaces, and the curved surfaces are provided with oblique convex lines.
2. The threshing cylinder of claim 1, wherein: the front end of the roller body (11) is fixedly connected with a front shaft head fixing seat (13), and the rear end of the roller body (11) is fixedly connected with a rear transmission shaft head fixing seat (14); the front shaft head fixing seat (13) is connected with the front fixing shaft head (2) through a bolt, and the rear transmission shaft head fixing seat (14) is connected with the rear transmission shaft head (3) through a bolt.
3. The threshing cylinder of claim 1, wherein: the head of the roller main body (11) is of a conical barrel structure, two feeding auger blades (15) are fixedly connected to the head of the roller main body (11), and the auger blades (15) are supported and fixed through reinforcing ribs (16); the two auger blades (15) are staggered by 180 degrees, the auger blades (15) are of a reducing spiral structure, and the diameter of the front end of each auger blade (15) is larger than that of the rear end.
4. The threshing cylinder of claim 1, wherein: the number of the spiral lines is 6.
5. The threshing cylinder of claim 1, wherein: each spiral line is distributed with 10 threshing rubbing block fixing seats (12).
6. The threshing cylinder of claim 1, wherein: the middle-rear part of the roller body (11) is provided with a plurality of grass discharging blocks (5), and the grass discharging blocks (5) are buckled on the threshing rubbing block fixing seat (12) and are connected through hexagonal flange face bolts.
7. The threshing cylinder of claim 6, wherein: the number of grass discharging blocks (5) is 3, and the 3 grass discharging blocks (5) are circumferentially and uniformly distributed.
8. The threshing cylinder of claim 6, wherein: the number of the grass discharging blocks (5) is 6, and the 6 grass discharging blocks (5) are arranged in a staggered mode.
9. The threshing cylinder of claim 1, wherein: the tail end of the roller main body (11) is fixedly connected with a rear grass discharging plate fixing seat (17), and the rear grass discharging plate fixing seat (17) is sleeved outside a rear transmission shaft head fixing seat (14); be equipped with 3 back row grass board fixed plates that are the circumference equipartition on back transmission shaft spindle nose fixing base (14), back row grass board fixed plate is the heliciform and arranges.
10. The threshing cylinder of claim 9, wherein: the rear grass discharging plate fixing plate is fixedly connected with the rear grass discharging plate (6) through a half-round square-neck bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316916.6U CN216017880U (en) | 2021-09-24 | 2021-09-24 | Threshing cylinder for multifunctional grain combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316916.6U CN216017880U (en) | 2021-09-24 | 2021-09-24 | Threshing cylinder for multifunctional grain combine harvester |
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| Publication Number | Publication Date |
|---|---|
| CN216017880U true CN216017880U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122316916.6U Active CN216017880U (en) | 2021-09-24 | 2021-09-24 | Threshing cylinder for multifunctional grain combine harvester |
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| Country | Link |
|---|---|
| CN (1) | CN216017880U (en) |
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2021
- 2021-09-24 CN CN202122316916.6U patent/CN216017880U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multifunctional threshing drum for grain combine harvesters Effective date of registration: 20230323 Granted publication date: 20220315 Pledgee: Gaomi Chaoyang sub branch of Bank of Weifang Co.,Ltd. Pledgor: Shandong Tiankai Zhongrui Machinery Technology Co.,Ltd. Registration number: Y2023980035686 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |