CN208353959U - Straw chopping type gear box special for corn header - Google Patents
Straw chopping type gear box special for corn header Download PDFInfo
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- CN208353959U CN208353959U CN201821120402.5U CN201821120402U CN208353959U CN 208353959 U CN208353959 U CN 208353959U CN 201821120402 U CN201821120402 U CN 201821120402U CN 208353959 U CN208353959 U CN 208353959U
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Abstract
The utility model discloses a kind of straw chopping type gear box special for corn header, including ear-picking gear box and stalk returning device, two output shafts are equipped in ear-picking gear box；Stalk returning device includes chopping cabinet, is equipped with Jie's axis and flail knife axis in chopping cabinet, is equipped with flail knife piece in flail knife axis outer end；Jie's axis one end is inserted into ear-picking gear box and is sequentially connected with an output shaft in ear-picking gear box by bevel gear pair；Combination gear is installed in chopping cabinet, combination gear is engaged with the bevel gear for being located at flail knife axis inner end, and Jie's axis other end is mounted in combination gear by sliding bearing；Clutch spline housing is fitted with by spline slide on Jie's axis, clutch spline housing one end outer rim is equipped with external splines and is engaged after sliding with the internal spline for being located at combination gear inner cavity；It is hinged with shift fork in chopping cabinet, shift fork is stuck on clutch spline housing.Advantage is: simple and compact for structure, flail knife revolving speed is high, and chopping result is good, and stable and reliable in work, bearing capacity is strong.
Description
Technical field
The utility model belongs to a kind of agricultural machinery, in particular to a kind of straw chopping type gear box special for corn header.
Background technique
Ear-picking gear box is separately installed with and device of returning crop stocks to the field on current existing corn harvesting bench, and device of returning crop stocks to the field
It is to be individually mounted on ceding of Taiwan bottom, this apparatus structure of returning crop stocks to the field is more complex, transmits power by a series of external mechanisms, can
Lower by property, manufacture, maintenance cost are compared with high, consumption power is big.
This device volume of returning crop stocks to the field used on existing corn picker is also bigger, and because of the harvesting of corn harvesting bench
Point height is higher, and after corn harvesting bench completes the work returned crop stocks to the field, remaining stalk is still very high, and the requirement returned crop stocks to the field is not achieved,
Also need that manually mode is cut off or other equipments carry out returning to the field operation to straw, it is both time-consuming in this way, and increase cost,
Reduce production efficiency.Therefore, the device of returning crop stocks to the field of existing corn picker has the disadvantage that in actual use
Structure is complicated, not convenient for safeguarding, and production efficiency is low, and consumption power is big, and using effect is bad.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of simple and compact for structure, flail knife revolving speed height, chopping effects
Fruit is good, stable and reliable in work, the strong straw chopping type gear box special for corn header of bearing capacity.
The technical solution of the utility model is as follows:
A kind of straw chopping type gear box special for corn header, including ear-picking gear box and stalk returning device, it is described to pluck
Two output shafts are equipped in fringe gear-box, for being used as rice-pulling chain driving shaft；The stalk returning device includes being fixed on harvesting
The chopping cabinet of gear-box side is equipped with Jie's axis and flail knife axis in chopping cabinet, is equipped in flail knife axis outer end by tool apron
Flail knife piece；It is characterized in that: in given an account of axis one end insertion ear-picking gear box and with an output shaft in ear-picking gear box
It is sequentially connected by bevel gear pair；Combination gear is equipped with by bearing in chopping cabinet, combination gear be located at flail knife axis
The bevel gear of inner end engages, and the given an account of axis other end is mounted in combination gear by sliding bearing；Pass through spline on Jie's axis
Being slidably installed has clutch spline housing, and clutch spline housing one end outer rim is equipped with external splines and can be plugged into combination gear after sliding
It is interior, and be engaged with the internal spline for being located at combination gear inner cavity；It is hinged with shift fork in chopping cabinet, shift fork is stuck in clutch spline housing
On, realization clutch is slided on Jie's axis for stirring clutch spline housing；
Pass through support arm respectively in ear-picking gear box side and two stem pulling roll shafts are installed, one end of two stem pulling roll shafts is inserted
Enter in ear-picking gear box and be sequentially connected respectively by bevel gear pair with the transmission shaft being located in ear-picking gear box, in each stem pulling
Stem pulling roller is respectively equipped on roll shaft.
As further preferred, it is fixed with clutch handle in the articulated shaft outer end of shift fork, stirs clutch for rotating shift fork
Spline housing.
As further preferred, correspond on chopping cabinet equipped with an installing port at shift fork, in order to install shift fork.
As further preferred, it is bolted multiple stem pulling blades of circumference uniform distribution respectively on stem pulling roller, uses
In by the downward stem pulling of stalk.
As further preferred, input shaft, jackshaft and the transmission shaft and output are equipped in the ear-picking gear box
Axis, the input shaft pass sequentially through gear drive with jackshaft and transmission shaft and connect, the both ends of the drive shaft and two output shafts
It is sequentially connected respectively by bevel gear pair.
The beneficial effects of the utility model are:
1, due to passing through bevel gear in Jie's axis one end insertion ear-picking gear box and with an output shaft in ear-picking gear box
Auxiliary driving connection, by improved ear-picking gear box by the flail knife axis of stalk returning device directly by one of ear-picking gear box it is defeated
Shaft is driven by bevel gear pair, can be obtained higher flail knife revolving speed, be kept chopping result more preferable, and production efficiency can be improved.
2, due to being equipped with combination gear, combination gear and the cone for being located at flail knife axis inner end by bearing in chopping cabinet
Gear engagement, the given an account of axis other end are mounted in combination gear by sliding bearing；Cooperated on Jie's axis by spline slide
Clutch spline housing is installed, clutch spline housing one end outer rim is equipped with external splines and can be plugged into combination gear after sliding, and with
It is located at the internal spline occlusion of combination gear inner cavity；Clutch transmission is more reliable and more stable, and bearing capacity is strong.
3, when can be realized operation, stalk Bian Labianqie, chopping result during being pulled down by stem pulling roller is more preferable.
4, stem pulling roll shaft can realize lubrication by the cabinet lubricating oil of ear-picking gear box, non-maintaining；Since stem pulling roller is straight
It connects and is mounted on stem pulling roll shaft and front end is without fulcrum, therefore keep stalk feeding more smooth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the A-A partial sectional view of Fig. 1.
Fig. 3 is the bottom view for removing stem pulling roller in Fig. 1.
Fig. 4 is the E-E cross-sectional view of Fig. 3.
In figure: flail knife piece 1, tool apron 2, stem pulling roll shaft 3, stem pulling roller 4, stem pulling blade 5, support arm 6, ear-picking gear box 7, output
Axis 8 shreds cabinet 9, clutch handle 10, sliding bearing 11, combination gear 12, clutch spline housing 13, shift fork 14, Jie's axis 15, cone
Gear pair 16, flail knife axis 17, bevel gear pair 18, bevel gear pair 19, input shaft 20, jackshaft 21, transmission shaft 22.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
As Figure 1-Figure 4, the utility model relates to a kind of straw chopping type gear box special for corn header, including pluck
Fringe gear-box 7 and stalk returning device are equipped with rotatable input shaft 20, jackshaft in the cabinet of the ear-picking gear box 7
21 and transmission shaft 22 and two for the output shafts 8 as rice-pulling chain driving shaft, the input shaft 20 is hollow shaft, input shaft
20, which pass sequentially through gear drive with jackshaft 21 and transmission shaft 22, connect, and 22 both ends of transmission shaft are distinguished with two output shafts 8
It is sequentially connected by bevel gear pair 19.
The stalk returning device includes the chopping cabinet 9 for being fixed on 7 side of ear-picking gear box, is led in chopping cabinet 9
It crosses bearing and Jie's axis 15 and flail knife axis 17, axis one 80 degree of angle of formation of flail knife axis 17 and Jie's axis 15, in flail knife axis is installed
It is located at chopping 9 outer end of cabinet on 17 and 2-4 flail knife piece 1 is equipped with by 2 circumference uniform distribution of tool apron, the present embodiment is with 2 flail knife pieces 1
For.Pass through a cone in given an account of 15 one end of axis insertion ear-picking gear box 7 and with an output shaft 8 in ear-picking gear box 7
Gear pair 16 is sequentially connected.Combination gear 12 is equipped with by bearing in chopping cabinet 9, combination gear 12 be located at flail knife axis
The bevel gear of 17 inner ends engages, and given an account of 15 other end of axis is mounted in combination gear 12 by sliding bearing 11.In Jie's axis 15
It is upper to be machined with spline close to 12 one end of combination gear, and have clutch spline housing 13, clutch by being slidably installed on spline
13 one end outer rim of spline housing be equipped with external splines and slide after can be plugged into combination gear 12, and be located at 12 inner cavity of combination gear
Internal spline occlusion.It is hinged with shift fork 14 in chopping cabinet 9, shift fork 14 is stuck on clutch spline housing 13, for stirring clutch
Spline housing 13 slides on Jie's axis 15 realizes clutch.
It is fixed with clutch handle 10 in the articulated shaft outer end of shift fork, stirs clutch spline housing 13 for rotating shift fork.It is cutting
It is corresponded on broken cabinet 9 and is equipped with an installing port at shift fork, in order to install shift fork.
It has been bolted two cannula-like support arms 6 respectively in the corresponding stalk returning device side of ear-picking gear box 7,
A stem pulling roll shaft 3 is equipped with by bearing respectively in support arm 6, ear-picking gear box 7 is inserted into one end of every stem pulling roll shaft 3 respectively
It is interior and be sequentially connected respectively by bevel gear pair 18 with the transmission shaft 22 that is located in ear-picking gear box 7, on each stem pulling roll shaft 3
Stem pulling roller 4 is fixedly installed with by spline and nut respectively, is bolted the more of circumference uniform distribution respectively on stem pulling roller 4
A stem pulling blade 5 is used for the downward stem pulling of stalk.The flail knife piece 1 is located at the lower section of stem pulling roller 4.
The straw chopping type gear box special for corn header is mounted on corn harvesting bench, ear-picking gear box 7 passes through insertion
Drive shaft driving in input shaft, drives two by gear drive inside ear-picking gear box 7 and bevel gear pair respectively
Output shaft 8 and two stem pulling roll shafts 3 rotate towards each other, and two output shafts 8 drive rice-pulling chain cycle rotation that corn stover is imported two
In a stem pulling roller, by stem pulling blade 5 by the downward stem pulling of stalk.Manual switching clutch handle 10 drives clutch flower by shift fork
Key set 13 slides axially to be inserted into combination gear 12 and be engaged with combination gear 12, at this point, one in ear-picking gear box 7 exports
Axis 8 drives Jie's axis 15 to rotate by bevel gear pair, and Jie's axis 15 passes through combination gear 12 and the bevel gear for being located at 17 inner end of flail knife axis
Engagement drives 17 high speed rotation of flail knife axis, to drive 1 high speed rotation of flail knife piece of 17 outer end of flail knife axis, to passing through stem pulling blade
The stalk of 5 drop-downs is cut.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (5)
1. a kind of straw chopping type gear box special for corn header, including ear-picking gear box and stalk returning device, the harvesting
Two output shafts are equipped in gear-box, for being used as rice-pulling chain driving shaft；The stalk returning device includes being fixed on harvesting tooth
The chopping cabinet of roller box side is equipped with Jie's axis and flail knife axis in chopping cabinet, is equipped with and is got rid of by tool apron in flail knife axis outer end
Blade；It is characterized in that: passing through cone in given an account of axis one end insertion ear-picking gear box and with an output shaft in ear-picking gear box
Gear pair transmission connection；Combination gear is equipped with by bearing in chopping cabinet, combination gear be located at flail knife axis inner end
Bevel gear engagement, the given an account of axis other end are mounted in combination gear by sliding bearing；Matched on Jie's axis by spline slide
Conjunction is equipped with clutch spline housing, and clutch spline housing one end outer rim is equipped with external splines and can be plugged into combination gear after sliding, and
It is engaged with the internal spline for being located at combination gear inner cavity；It is hinged with shift fork in chopping cabinet, shift fork is stuck on clutch spline housing, is used
Realization clutch is slided on Jie's axis in stirring clutch spline housing；Pass through support arm respectively in ear-picking gear box side and two drawings are installed
Stem roll shaft, one end of two stem pulling roll shafts are inserted into ear-picking gear box and are led to respectively with the transmission shaft being located in ear-picking gear box
Bevel gear pair transmission connection is crossed, is respectively equipped with stem pulling roller on each stem pulling roll shaft.
2. straw chopping type gear box special for corn header according to claim 1, it is characterized in that: in the articulated shaft of shift fork
Outer end is fixed with clutch handle, stirs clutch spline housing for rotating shift fork.
3. straw chopping type gear box special for corn header according to claim 2, it is characterized in that: right on chopping cabinet
It answers and is equipped with an installing port at shift fork, in order to install shift fork.
4. straw chopping type gear box special for corn header according to claim 1, it is characterized in that: on stem pulling roller respectively
Multiple stem pulling blades of circumference uniform distribution are bolted, are used for the downward stem pulling of stalk.
5. straw chopping type gear box special for corn header according to claim 1, it is characterized in that: the ear-picking gear box
Interior to be equipped with input shaft, jackshaft and the transmission shaft and output shaft, the input shaft is passed sequentially through with jackshaft and transmission shaft
Gear drive connection, the both ends of the drive shaft and two output shafts are sequentially connected by bevel gear pair respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821120402.5U CN208353959U (en) | 2018-07-12 | 2018-07-12 | Straw chopping type gear box special for corn header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821120402.5U CN208353959U (en) | 2018-07-12 | 2018-07-12 | Straw chopping type gear box special for corn header |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208353959U true CN208353959U (en) | 2019-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821120402.5U Active CN208353959U (en) | 2018-07-12 | 2018-07-12 | Straw chopping type gear box special for corn header |
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| CN (1) | CN208353959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110679286A (en) * | 2019-10-18 | 2020-01-14 | 杭州乾达航空科技有限公司 | Lifting platform of corn harvester for smashing stalks and returning stalks to field |
-
2018
- 2018-07-12 CN CN201821120402.5U patent/CN208353959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110679286A (en) * | 2019-10-18 | 2020-01-14 | 杭州乾达航空科技有限公司 | Lifting platform of corn harvester for smashing stalks and returning stalks to field |
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