CN107182428B - Harvester chain harrow structure - Google Patents
Harvester chain harrow structure Download PDFInfo
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- CN107182428B CN107182428B CN201710435934.1A CN201710435934A CN107182428B CN 107182428 B CN107182428 B CN 107182428B CN 201710435934 A CN201710435934 A CN 201710435934A CN 107182428 B CN107182428 B CN 107182428B
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- chain harrow
- flexible
- steel
- chain
- harvester
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chain Conveyers (AREA)
- Harvesting Machines For Root Crops (AREA)
Abstract
The invention provides a chain harrow structure of a harvester, which comprises a plurality of chains and a plurality of chain harrow sections, wherein the chains are arranged side by side, the chain harrow sections are arranged between adjacent chains side by side, and each chain harrow section comprises a steel part and a flexible part; the chain harrow mechanism for the harvester provided by the invention can avoid large damage to materials on the premise of ensuring the material grabbing effect, reduce the material loss of the conveyor and improve the operation effect of the whole harvester.
Description
Technical Field
The invention belongs to the technical field of harvester parts, and particularly relates to a chain harrow structure of a harvester.
Background
The chain harrow type conveyor of the grain combine harvester is connected with the cutting table and the thresher and is used for uniformly conveying grains on the cutting table to the thresher, and the chain harrow type grain combine harvester mainly comprises a shell and a chain harrow; the chain harrow consists of a plurality of chain harrow rods fixed on the sleeve roller chain; in the prior art, the conveyors of the grain combine harvester are in the form of downward scraping conveyance, and the chain harrow of the conveyors generally consists of a chain harrow section made of Q235 or nodular cast iron and a plurality of chains; the linear speed of the chain harrow is 3-5m/s, and sharp-angle edges are contacted with corn cobs at the first time when chain harrow sections grab the corn cobs and other materials, and the sharp-angle edges can impact the corn cobs entering the chain harrow sections, so that the corn kernels are lost and crushed; and the corn cobs enter the conveyor in different directions, so that the harvesting loss caused by the large chain harrow section is more increased.
Based on the technical problems in the chain harrow structure of the harvester, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The invention aims to provide a chain harrow structure of a harvester aiming at overcoming the defects in the prior art and aims to solve the problem that the existing chain harrow structure of the harvester is easy to damage materials when conveying the materials.
The invention provides a chain harrow structure of a harvester, which comprises a plurality of chains and a plurality of chain harrow sections; the plurality of chains are arranged side by side; the chain harrow sections are arranged between the adjacent chains in parallel; the chain harrow section comprises a steel part and a flexible part.
Further, the steel part comprises a steel chain harrow section; the flexible part comprises a flexible chain harrow section, and the steel chain harrow section and the flexible chain harrow section are mutually independently arranged; two ends of the steel chain harrow section are respectively fixed between the adjacent chains; two ends of the flexible chain harrow section are respectively fixed between the adjacent chains.
Furthermore, the steel chain harrow section and the flexible chain harrow section are both fixed between the adjacent chains through bolts.
Furthermore, the flexible chain harrow section is arranged in front of the steel chain harrow section along the running direction of the chain.
Further, the steel chain harrow section is an L-shaped steel chain harrow section; the L-shaped steel chain harrow section comprises a bending part; the bending part is arranged adjacent to the flexible chain harrow section.
Further, the steel part comprises a steel chain harrow section; the steel chain harrow section comprises a T-shaped part; the flexible portion is disposed on the T-shaped portion.
Further, the flexible part is a U-shaped flexible part; the U-shaped flexible part is sleeved on the T-shaped part; and the U-shaped flexible part is made of rubber or a belt.
Furthermore, every two adjacent chain harrow sections between the chains are arranged in a staggered mode.
The invention provides a chain harrow mechanism for a harvester, which comprises a conveying chain, steel chain harrow sections and flexible chain harrow sections, wherein the two ends of the steel chain harrow sections are respectively fixed on the chain; the steel chain harrow section is connected with the conveying chain and the flexible parts and is mainly used for transmitting conveying force by the chain; under the premise of ensuring the material grabbing effect, the flexible chain harrow section cannot cause large damage to corn grains due to the material of the flexible chain harrow section, so that the corn grain loss of the conveyor is reduced, and the operation effect of the whole machine is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is a perspective view of the whole structure of a chain harrow of a harvester of the invention;
FIG. 2 is a side view of the whole structure of a chain harrow of the harvester of the invention;
FIG. 3 is a schematic view of a chain harrow structure of a harvester according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a steel chain harrow section in the chain harrow structure of the harvester;
fig. 5 is a schematic view of a chain harrow structure of a harvester according to a second embodiment of the invention.
In the figure: 1. a chain; 2. a chain harrow section made of steel; 21. a bending part; 22. a T-shaped portion; 3. a flexible chain harrow section; 4. a bolt; 5. a nut; 6. and (7) a rubber pad.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 5, the present invention provides a chain harrow structure of a harvester, which comprises a plurality of chains 1 and a plurality of chain harrow joint structures; the plurality of chains 1 are arranged side by side to form a material power conveying mechanism of the harvester; the chain harrow sections are arranged between two adjacent chains 1 at intervals side by side; wherein, the chain harrow section comprises a steel part and a flexible part; the chain harrow node package is through combining steel portion and flexible portion each other, can avoid the material to cause the material damage in transportation process direct contact steel portion like this, improves the operation effect of harvester.
Preferably, in combination with the above solutions, as shown in fig. 1 and 3, in the present embodiment, the steel part includes a steel rake link 2; the flexible part comprises a flexible chain harrow section 3, and the steel chain harrow section 2 and the flexible chain harrow section 3 are arranged independently, so that the flexible chain harrow section can be conveniently detached, replaced and maintained; two ends of the steel chain harrow section 2 are respectively fixed between the adjacent chains 1; similarly, two ends of the flexible chain harrow section 3 are respectively fixed between the adjacent chains 1; furthermore, the steel chain harrow section 2 and the flexible chain harrow section 3 can be fixed between adjacent chains through bolts; specifically, as shown in fig. 3, a bolt 4 passes through a support on the chain 1 to fix the steel rake link 2 by a nut 5; one end of the flexible chain harrow section 3 is clamped between the chains 1 and is further fixed through a bolt.
Preferably, in combination with the above solutions, as shown in fig. 3 and 4, in this embodiment, the steel rake link 2 is an L-shaped steel rake link; the L-shaped steel chain harrow section comprises a bending part 21, and the corner of the bending part 21 is additionally provided with a fillet; the bending part 21 is arranged adjacent to the flexible chain harrow section 3, so that the material is prevented from being directly contacted and damaged with the bending part 21; in general, the flexible chain harrow section 3 is arranged in front of the steel chain harrow section 2 along the running direction of the chain 1; in actual operation, round corners are added at the contact corners of the flexible chain harrow sections 2 for smooth transition, so that the flexible chain harrow sections 2 are prevented from being cut by acute angles when being stressed and deformed in the material conveying process; the flexible chain harrow section 2 is made of high-hardness (the Shore hardness is more than 80) high-abrasion-resistance rubber materials or parts of a belt, can deform when contacting with materials due to the plasticity of the materials, has smooth notches at contact ends to increase the gripping force, has high hardness, cannot influence the conveying of the materials, plays a role in buffering between grains and steel parts, and avoids the damage of the steel parts to the grains.
Preferably, in combination with the above solution, as shown in fig. 5, in the present embodiment, the steel part includes a steel rake link 2; the steel chain harrow section 2 comprises a T-shaped part 22; the flexible part is arranged on the T-shaped part 22, and the T-shaped part 22 and the steel chain harrow section 2 are integrally formed; further, the flexible part is a U-shaped flexible part; the U-shaped flexible part is sleeved on the T-shaped part 22 and made of rubber or a belt; in this embodiment, the U-shaped flexible portion is a rubber pad 6; the steel chain harrow section is low-carbon steel such as Q235; meanwhile, the contact part of the rubber cushion 6 is added with a round corner for smooth transition so as to avoid acute-angle cutting when the rubber part is stressed and deformed in the material conveying process; rubber pad 6 parcel plays the cushioning effect on cereal and steel part on T type portion 22, avoids the injury of steel part to cereal.
Preferably, in combination with the above scheme, as shown in fig. 1, in this embodiment, the rake links between every two adjacent chains 1 are arranged in a staggered manner, that is, the rake links on two adjacent chains and the rake links on the other two adjacent chains are arranged in a staggered manner; and every row of chain harrow sections and chain mutually perpendicular set up, can play balanced effect like this, in material transmission process, avoid appearing phenomenons such as droing.
By adopting the technical scheme, the chain harrow mechanism for the harvester comprises a conveying chain, steel chain harrow sections and flexible chain harrow sections, wherein the two ends of the steel chain harrow sections are respectively fixed on the chain; the steel chain harrow section is connected with the conveying chain and the flexible parts and is mainly used for transmitting conveying force by the chain; under the premise of ensuring the material grabbing effect, the flexible chain harrow section cannot cause large damage to corn grains due to the material of the flexible chain harrow section, so that the corn grain loss of the conveyor is reduced, and the operation effect of the whole machine is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (5)
1. A chain harrow structure of a harvester is characterized by comprising a plurality of chains and a plurality of chain harrow sections; the plurality of chains are arranged side by side; the chain harrow sections are arranged between the adjacent chains side by side; the chain harrow section comprises a steel part and a flexible part, and the steel part comprises a steel chain harrow section; the flexible part also comprises a flexible chain harrow section, and the steel chain harrow section and the flexible chain harrow section are mutually independently arranged; two ends of the steel chain harrow section are respectively fixed between the adjacent chains; the flexible chain harrow section both ends are fixed in respectively adjacently between the chain, flexible chain harrow section follows chain running direction set up in before the steel chain harrow section, the steel chain harrow section is L shaped steel system chain harrow section and includes the portion of bending, the portion of bending with flexible chain harrow section adjacent setting.
2. The harvester rake structure of claim 1 wherein the steel rake links and the flexible rake links are each bolted between adjacent chains.
3. The harvester rake structure of claim 1, wherein the steel rake link comprises a T-shaped portion; the flexible portion is disposed on the T-shaped portion.
4. The harvester rake structure of claim 3, wherein the flexible portion is a U-shaped flexible portion; the U-shaped flexible part is sleeved on the T-shaped part; and the U-shaped flexible part is made of rubber or a belt.
5. A harvester chain rake structure as in any one of the preceding claims 1 to 4, wherein the rake links between each two adjacent chains are staggered with respect to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710435934.1A CN107182428B (en) | 2017-06-09 | 2017-06-09 | Harvester chain harrow structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710435934.1A CN107182428B (en) | 2017-06-09 | 2017-06-09 | Harvester chain harrow structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107182428A CN107182428A (en) | 2017-09-22 |
| CN107182428B true CN107182428B (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710435934.1A Active CN107182428B (en) | 2017-06-09 | 2017-06-09 | Harvester chain harrow structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111096144A (en) * | 2020-01-19 | 2020-05-05 | 河南科技大学 | Harvester and header thereof |
| CN111758378A (en) * | 2020-06-02 | 2020-10-13 | 洛阳中收机械装备有限公司 | Sunflower seed harvester |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203120502U (en) * | 2013-03-29 | 2013-08-14 | 新疆阿勒泰地区农牧机械化技术推广总站 | Automatic elevating handling device for seed melon picking and de-seeding combined machine |
| CN203301993U (en) * | 2013-05-15 | 2013-11-27 | 奇瑞重工股份有限公司 | Combined harvester gap bridge |
| CN203934333U (en) * | 2014-07-09 | 2014-11-12 | 兰州城市学院 | Bump type potato harvester elevator link network |
| CN105123096A (en) * | 2015-09-22 | 2015-12-09 | 福田雷沃国际重工股份有限公司 | Combined harvester bridge driving axle structure and bridge device |
| CN205105678U (en) * | 2015-11-02 | 2016-03-30 | 哈尔滨洪瀚科技发展有限责任公司 | A chain harrow for harvester |
-
2017
- 2017-06-09 CN CN201710435934.1A patent/CN107182428B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203120502U (en) * | 2013-03-29 | 2013-08-14 | 新疆阿勒泰地区农牧机械化技术推广总站 | Automatic elevating handling device for seed melon picking and de-seeding combined machine |
| CN203301993U (en) * | 2013-05-15 | 2013-11-27 | 奇瑞重工股份有限公司 | Combined harvester gap bridge |
| CN203934333U (en) * | 2014-07-09 | 2014-11-12 | 兰州城市学院 | Bump type potato harvester elevator link network |
| CN105123096A (en) * | 2015-09-22 | 2015-12-09 | 福田雷沃国际重工股份有限公司 | Combined harvester bridge driving axle structure and bridge device |
| CN205105678U (en) * | 2015-11-02 | 2016-03-30 | 哈尔滨洪瀚科技发展有限责任公司 | A chain harrow for harvester |
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| Publication number | Publication date |
|---|---|
| CN107182428A (en) | 2017-09-22 |
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