CN201150193Y

CN201150193Y - Grass guiding mechanism of threshing device of grain combined harvester

Info

Publication number: CN201150193Y
Application number: CNU2008200162311U
Authority: CN
Inventors: 秦永峰; 李文; 朱现学; 赵卫刚; 王慧菊
Original assignee: Foton Lovol International Heavy Industries Co Ltd
Current assignee: Lovol Heavy Industry Co Ltd
Priority date: 2008-01-07
Filing date: 2008-01-07
Publication date: 2008-11-19
Anticipated expiration: 2018-01-07

Abstract

The utility model discloses a grass guiding device for the threshing device of a grain combine harvester, comprising a drum cover, a plurality of grass guiding plates provided on the inner wall of the drum cover and set into two groups respectively and parallel provided at two sides of the longitudinal symmetry face of the drum cover, wherein in each grass guiding plate group, one end of each grass guiding plate is hinged with the drum cover and the another end is hinged with a connecting plate extended longitudinally. The utility model further comprises two grass guiding plate angle adjusters for operating the longitudinal motion of the connecting plates, wherein the two grass guiding plate angle adjusters comprise a main grass guiding plate angle adjuster and an auxiliary grass guiding plate angle adjuster which are respectively connected with a relative connecting plate and extended outside the drum cover. Via the utility model, without opening the drum cover, users can adjust the angles of the grass guiding plates, having simple operation and easy maintenance, thereby improving the adaptability for different harvesting conditions.

Description

The grain combine sheller unit lead careless mechanism

Technical field

The utility model relates to grain combine sheller unit technical field, and the careless mechanism that leads in this device especially is set.

Background technology

Having the careless mechanism that leads of grain combine sheller unit now, is to be made of a plurality of grass guide boards that are installed on the drum cover inwall, and grass guide board and threshing cylinder axially form an angle.Sheller unit when work, the threshing cylinder high speed rotating, the spike-tooth that is fixed thereon constantly impacts the straw that is fed, and drives straw simultaneously and does the spiral forward travel along the annular space space that forms between the inwall of concave grate and drum cover and the threshing cylinder.During this, grain is constantly split away off from straw, passes concave grate and falls into collection grain screw feeder.When straw turned round straw outlet to threshing chamber, the grain hexyl on the straw originally came off totally, and straw is discharged from outside the machine.The speed of travel that straw advances at the threshing chamber inside spin depends on the size of how much reaching of grass guide board quantity and the axial angle of threshing cylinder, grass guide board bar quantity is few more, big more with drum shaft to angle, then the straw speed of travel is slow more, threshing is clean more, but power consumption is big more, also easily causes the fragmentation of grain.Otherwise straw speed of travel in threshing chamber is fast, and power consumption is few, but threshing is difficult clean, can cause waste to increase.

But, known grain combine sheller unit lead careless mechanism, its grass guide board is mostly fixed, thereby it only is fit to the harvesting threshing needs of certain crop varieties, and can not adapt to the threshing needs of different cultivars cereal or same kind differing maturity cereal best.Even if the grass guide board adjustable angle also is single adjustment, thereby has influenced the operation effectiveness of complete machine greatly, its operability and maintainability are poor.

Summary of the invention

Technical problem to be solved in the utility model is: provide leading of a kind of grain combine sheller unit careless mechanism, make the operator under the situation of not opening drum cover, just can regulate the angle of grass guide board, simple to operate, easy to maintenance, improved the adaptability of complete machine to difference harvesting environment.

For solving the problems of the technologies described above, the technical solution of the utility model is: the grain combine sheller unit lead careless mechanism, comprise drum cover, be installed on a plurality of grass guide boards on the drum cover inwall, described a plurality of grass guide board is divided into two groups, these two groups of grass guide boards are set in parallel in the both sides of the vertical plane of symmetry of described drum cover respectively, in each group grass guide board, one end of each grass guide board is all hinged with drum cover, the other end of each grass guide board is all hinged with the connecting plate of a longitudinal extension, be used to handle the grass guide board angular adjustment apparatus that connecting plate vertically moves, described grass guide board angular adjustment apparatus has two, one is main grass guide board angular adjustment apparatus, and another is secondary grass guide board angular adjustment apparatus, and they are connected with a corresponding connecting plate respectively and stretch out described drum cover outside.

As a kind of optimal way, described main grass guide board angular adjustment apparatus, comprise one with the corresponding hinged interior swing arm of connecting plate, a pivot of fixedlying connected with interior swing arm, described pivot rotates the outside that is installed on the drum cover and stretches out described drum cover, an outer swing arm of fixedlying connected with the external part of described pivot, a screw-nut body that is fixed on the described drum cover outer wall, the leading screw of described screw-nut body is hinged with outer swing arm.

As a kind of optimal way, described secondary grass guide board angular adjustment apparatus, comprise a screw rod that is fixed on the corresponding connecting plate, the outside of stretching out drum cover the adjusting slotted hole of described screw rod on being opened in drum cover, a rotation set is in the locking nut of described screw rod external part.

After having adopted technique scheme, the beneficial effects of the utility model are: because described a plurality of grass guide boards are divided into two groups, these two groups of grass guide boards are set in parallel in the both sides of the vertical plane of symmetry of described drum cover respectively, in each group grass guide board, one end of each grass guide board is all hinged with drum cover, the other end of each grass guide board is all hinged with the connecting plate of a longitudinal extension, described grass guide board angular adjustment apparatus has two, one is main grass guide board angular adjustment apparatus, another is secondary grass guide board angular adjustment apparatus, they are connected with a corresponding connecting plate respectively and stretch out described drum cover outside, so, can regulate all grass guide boards in one group simultaneously by a grass guide board angular adjustment apparatus, and the operator need not open drum cover.When fragmentation or entrainment loss appear in the harvesting crop, the angle of regulating one group of grass guide board by main grass guide board angular adjustment apparatus wherein, if effect is undesirable, can also regulate another group grass guide board that is positioned at the vertical plane of symmetry opposite side of drum cover by secondary grass guide board angular adjustment apparatus.The utility model is simple to operate, easy to maintenance, has improved the adaptability of complete machine to difference harvesting environment.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the front view of the utility model embodiment;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the left view of Fig. 1.

Embodiment

As shown in Figure 1, a kind of grain combine sheller unit lead careless mechanism, it comprises drum cover 1, has a plurality of grass guide boards to be installed on drum cover 1 inwall, described a plurality of grass guide board is divided into two groups of 2a and 2b, and these two groups of grass guide boards are set in parallel in the both sides of described drum cover 1 vertical plane of symmetry respectively.

In first group of grass guide board 2a, an end of each grass guide board is all hinged with drum cover 1, and the other end of each grass guide board is all hinged with the main connecting plate 3a of a longitudinal extension;

In second group of grass guide board 2b, an end of each grass guide board is all hinged with drum cover 1, and the other end of each grass guide board is all hinged with the secondary connecting plate 3b of another longitudinal extension.

As Fig. 1,2 and 3 common shown in, be used to handle the grass guide board angular adjustment apparatus that connecting plate vertically moves, described grass guide board angular adjustment apparatus has two, one is main grass guide board angular adjustment apparatus, another is secondary grass guide board angular adjustment apparatus, and they are connected with a corresponding connecting plate respectively and stretch out described drum cover 1 outside.

Wherein, main grass guide board angular adjustment apparatus comprises following structure:

One with the hinged interior swing arm 4 of corresponding main connecting plate 3a, a pivot 5 of fixedlying connected with interior swing arm 4, described pivot 5 rotates and is installed on the drum cover 1 and the outside of stretching out described drum cover 1, an outer swing arm 6 of fixedlying connected with the external part of described pivot, a screw-nut body that is fixed on described drum cover 1 outer wall, the leading screw 7 and the outer swing arm 6 of described screw-nut body are hinged.When fragmentation or entrainment loss appearred in the harvesting crop, rotational lead screw 7 by outer swing arm 6, pivot 5 and interior swing arm 4, spurred corresponding main connecting plate 3a and vertically moves, and changes first group of grass guide board angle with this, and crop gait of march in cylinder is changed.This grass guide board angular adjustment apparatus relative complex, but easy to operate, be in first-selected status during use.

Wherein, secondary grass guide board angular adjustment apparatus comprises following structure:

A screw rod 8 that is fixed on the corresponding secondary connecting plate 3b, the outside of stretching out drum cover 1 the adjusting slotted hole of described screw rod 8 on being opened in drum cover, a rotation set is in the locking nut 9 of described screw rod external part.Unclamp locking nut 9, in regulating slotted hole, spur corresponding secondary connecting plate 3b by screw rod 8 and vertically move, change second group of grass guide board angle, crop gait of march in cylinder is changed with this.This grass guide board angular adjustment apparatus is simple relatively, but easy to operate, is in secondary status during use.

The utility model is not limited to above-mentioned embodiment, and for example, two grass guide board angular adjustment apparatus can adopt the structure of main grass guide board angular adjustment apparatus simultaneously, also can adopt the structure of secondary grass guide board angular adjustment apparatus simultaneously.

Claims

The grain combine sheller unit lead careless mechanism, comprise

Drum cover (1),

Be installed on a plurality of grass guide boards on drum cover (1) inwall, it is characterized in that:

Described a plurality of grass guide board is divided into two groups, and these two groups of grass guide boards are set in parallel in the vertically both sides of the plane of symmetry of described drum cover (1) respectively,

In each group grass guide board, an end of each grass guide board is all hinged with drum cover (1), and the other end of each grass guide board is all hinged with the connecting plate of a longitudinal extension,

Be used to handle the grass guide board angular adjustment apparatus that connecting plate vertically moves, described grass guide board angular adjustment apparatus has two, one is main grass guide board angular adjustment apparatus, another is secondary grass guide board angular adjustment apparatus, and they are connected with a corresponding connecting plate respectively and stretch out described drum cover (1) outside.
2. grain combine sheller unit as claimed in claim 1 lead careless mechanism, it is characterized in that: institute

The main grass guide board angular adjustment apparatus of stating comprises

One with the corresponding hinged interior swing arm (4) of connecting plate,

A pivot (5) of fixedlying connected with interior swing arm (4), described pivot (5) rotate and are installed on the outside that described drum cover (1) was gone up and stretched out to drum cover (1),

An outer swing arm (6) of fixedlying connected with the external part of described pivot,

A screw-nut body that is fixed on described drum cover (1) outer wall, the leading screw of described screw-nut body (7) is hinged with outer swing arm (6).
3. grain combine sheller unit as claimed in claim 2 lead careless mechanism, it is characterized in that: described secondary grass guide board angular adjustment apparatus comprises

A screw rod (8) that is fixed on the corresponding connecting plate stretches out the outside of drum cover (1) the adjusting slotted hole of described screw rod (8) on being opened in drum cover,

A rotation set is in the locking nut (9) of described screw rod external part.