CN114027018B

CN114027018B - Harvester granary cover and harvester

Info

Publication number: CN114027018B
Application number: CN202111164797.5A
Authority: CN
Inventors: 刘锦武; 孙祥鸣; 贺龙钊; 朱威冲; 程文龙; 冼伟杰
Original assignee: Guangdong Haoyun Technology Co Ltd
Current assignee: Guangdong Haoyun Technology Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2023-04-18
Anticipated expiration: 2041-09-30
Also published as: CN114027018A

Abstract

The invention relates to a harvester grain bin cover and a harvester, wherein the harvester grain bin cover comprises a plurality of umbrella leaves and a cover body, the umbrella leaves are sequentially stacked end to end and are surrounded to form an annular umbrella body with a gap in the middle, and the umbrella leaves comprise an umbrella leaf single body and a hinged part arranged on the umbrella leaf single body; the umbrella leaf single body can be turned around the hinge part towards the direction close to the center of the annular umbrella body to form a folded state, or can be turned around the hinge part towards the direction far away from the center of the annular umbrella body to form an unfolded state; the cover body can ascend or descend and is used for closing the gap of the annular umbrella body in a furled state. The harvester grain bin cover of the invention has uniform stress, higher strength and good sealing property. The harvester of the application applies the harvester grain bin cover, thereby having corresponding beneficial effects.

Description

Harvester granary cover and harvester

Technical Field

The invention relates to the field of agricultural machinery, in particular to a harvester grain bin cover and a harvester.

Background

The harvester is an integrated grain harvesting machine which can complete harvesting, threshing and cleaning at one time, concentrate grains into a granary and then convey the grains to a transport vehicle through a conveying mechanism.

The existing retractable granary cover generally adopts a flat-plate type foldable granary cover, and the unfolded state of the granary cover is formed by connecting a plurality of cover plates through canvas. The grain bin cover in the unfolded state is stressed unevenly, the strength is insufficient, more gaps exist at the joint between the folded cover and the rear cover plate, and the grains are in rolling risk.

Disclosure of Invention

The invention aims to provide a harvester grain bin cover which is uniform in stress, high in strength and good in sealing property.

Based on the above, the invention provides a harvester grain bin cover, which comprises an umbrella leaf and a cover body, wherein the umbrella leaf is provided with a plurality of annular umbrella bodies which are sequentially stacked end to end and are surrounded to form a gap in the middle, and the umbrella leaf comprises an umbrella leaf single body and a hinge part arranged on the umbrella leaf single body;

the single umbrella pages can be turned around the hinge parts towards the direction close to the center of the annular umbrella body to form a folded state, or turned around the hinge parts towards the direction far away from the center of the annular umbrella body to form an unfolded state;

the cover body can ascend or descend and is used for closing the gap of the annular umbrella body in a furled state.

The harvester grain bin cover further comprises a driving unit, and the driving unit is connected with the umbrella leaf single body and the cover body and is used for driving the umbrella leaf single body to turn over and driving the cover body to ascend or descend respectively.

The harvester grain bin cover comprises a secondary hydraulic cylinder and a plurality of connecting rods, one end of each connecting rod is hinged with each umbrella leaf monomer one by one, the other end of each connecting rod is hinged with the primary telescopic end of the secondary hydraulic cylinder, and the cover body is arranged on the secondary telescopic end of the secondary hydraulic cylinder.

According to the harvester grain bin cover, the rotating shaft of the connecting rod and the umbrella leaf single body which rotate relatively is parallel to the rotating shaft of the umbrella leaf single body which turns around the hinge part; the rotating shaft of the single umbrella pages turning around the hinge part is inclined to the tangent line of the middle point of the hinge part.

According to the harvester grain bin cover, the hinge parts are hinge mounting holes.

The harvester grain bin cover comprises the umbrella leaf, and further comprises a lifting lug arranged on the umbrella leaf single body and a plug pin inserted on the lifting lug, wherein the end part of the connecting rod is sleeved on the plug pin to be hinged with the umbrella leaf single body.

According to the harvester grain bin cover, the annular umbrella body is upwards arched in a folded state and downwards sunken in an unfolded state.

According to the grain bin cover of the harvester, the overlapped area between two adjacent umbrella leaves accounts for 1/7-1/5 of the area of a single umbrella leaf.

According to the harvester grain bin cover, the cover body is conical, and the height sensor used for detecting the full-bin state of grains is arranged on the cover body.

According to the harvester grain bin cover, the umbrella leaf single body is made of the same material as the connecting rod.

According to the harvester grain bin cover, the umbrella leaf monomer and the connecting rod are made of alloy or carbon fiber.

According to the harvester grain bin cover, the thickness of the umbrella leaf single body is 4mm to 10mm.

The embodiment of the invention has the following beneficial effects:

1. the harvester grain bin cover is opened in an umbrella type when being unfolded, the area utilization rate of the umbrella leaf single body is high, the surface pressure bearing is uniform, and grains can be guided into the grain bin more smoothly; each umbrella leaf monomer piles up when drawing in the state, has promoted holistic intensity, and the leakproofness is good, can protect grain in the storehouse better, shelters from the rainwater.

2. Utilize the automatic exhibition of receiving of second grade pneumatic cylinder combination connecting rod realization closing device, it is swift effective, the connecting rod provides sufficient atress support to the umbrella leaf monomer, can effectively prevent the umbrella leaf monomer to warp when piling grain.

The embodiment of the application also provides a harvester, including the harvester body and as above harvester granary lid, set up the open-ended granary in top on the harvester body, harvester granary lid is used for sealing the opening of granary. The harvester grain bin cover is applied, so that the harvester grain bin cover has corresponding beneficial effects.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a front view of a harvester grain bin cover in an expanded state as provided by an embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Fig. 4 is a front view of the harvester lid of fig. 1 in a collapsed condition.

Fig. 5 is a top view of fig. 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, an embodiment of the present invention provides a harvester grain bin cover, which includes an umbrella leaf 11 and a cover body 2, wherein the umbrella leaf 11 is provided with a plurality of annular umbrella bodies 1 which are sequentially stacked end to end and enclose a gap 12 in the middle, and the umbrella leaf 11 includes an umbrella leaf single body 110 and a hinge portion 111 arranged on the umbrella leaf single body 110.

The single umbrella pages 110 can be turned around the hinge parts 111 towards the direction close to the center of the annular umbrella body 1 to form a folded state, or turned around the hinge parts 111 towards the direction away from the center of the annular umbrella body 1 to form an unfolded state; the cover body 2 can be lifted or lowered for closing the gap 12 of the annular umbrella body 1 in the folded state.

The harvester grain bin cover can be assembled at the opening of a grain bin for use, when grain needs to be collected, the umbrella leaf single body 110 is turned around the hinge part 111 towards the direction far away from the center of the annular umbrella body 1, at the moment, the annular umbrella body 1 is in an unfolded state, the umbrella leaf single body 110 extends outwards from the hinge part 111 to form a wider part, the gap 12 is enlarged, and the cover body 2 is far away from the gap 12, so that the grain can conveniently enter the grain bin from the upper part; when the grain needs to be stored or transported in a sealed manner after the grain is full of the grain bin, the single umbrella leaf 110 is turned around the hinge part 111 towards the direction close to the center of the annular umbrella body 1, at the moment, the annular umbrella body 1 is in a folded state, the single umbrella leaf 110 extends inwards from the hinge part 111 to a wider extent, the gap 12 is reduced, and the cover body 2 can completely cover the gap 12.

When the granary cover of the harvester is unfolded to work, the granary cover is unfolded in an umbrella shape, the area utilization rate of the umbrella leaf single body 110 is high, the surface pressure bearing is uniform, and grains can be guided into the granary more smoothly; when in a furled state, the umbrella leaf single bodies 110 are stacked, the overall strength is improved, the sealing property is good, and grains in the bin can be better protected to shield rainwater.

Further, the harvester grain bin cover further comprises a driving unit 3, and the driving unit 3 is connected with the umbrella blade single body 110 and the cover body 2 and is used for driving the umbrella blade single body 110 to turn over and driving the cover body 2 to ascend or descend respectively. To achieve automated operation.

In one embodiment, the driving unit 3 includes a two-stage hydraulic cylinder 31 and a plurality of connecting rods 32, one end of each connecting rod 32 is hinged to each single leaf 110, the other end of each connecting rod 32 is hinged to a one-stage telescopic end 311 of the two-stage hydraulic cylinder 31, and the cover 2 is disposed on the top end of the two-stage telescopic end 312 of the two-stage hydraulic cylinder 31. Since the single leaf 110 and the connecting rod 32 can be made of the same standard parts, the manufacturing cost can be reduced compared with other structures.

Specifically, in the unfolding process of the annular umbrella body 1, the second-stage telescopic end 312 of the second-stage hydraulic cylinder 31 extends upwards first to drive the cover body 2 to rise and keep away from the gap 12, then the first-stage telescopic end 311 drives the connecting rod 32 to unfold each flap unit 110, in the folding process of the annular umbrella body 1, the first-stage telescopic end 311 of the second-stage hydraulic cylinder 31 contracts downwards first to drive the connecting rod 32 to turn over each flap unit 110, and then the second-stage telescopic end 312 contracts downwards to drive the cover body 2 to cover the gap 12. The automatic folding and unfolding of the closing device is realized by combining the secondary hydraulic cylinder 31 with the connecting rod 32, the closing device is fast and effective, the connecting rod 32 provides enough stress support for the single umbrella leaf 110, and the single umbrella leaf 110 can be effectively prevented from deforming when being fully piled with grains.

Furthermore, the rotating shaft of the connecting rod 32 rotating relative to the single umbrella leaf 110 and the rotating shaft of the single umbrella leaf 110 turning around the hinge part 111 are parallel to each other, i.e. the rotating shaft of the single umbrella leaf 110 turning around the hinge part 111 is perpendicular to the connecting rod 32, so that the single umbrella leaf 110, the connecting rod 32 and the secondary hydraulic cylinder 31 can move smoothly on the same plane.

The rotating shaft of the single umbrella leaf 110 turning around the hinge part 111 is inclined to the tangent line of the midpoint of the hinge part 111. The hinge part 111 is set to have a certain inclination, so that the single umbrella leaves 110 can be ensured to be attached to each other after being folded, and the sealing performance is better.

Accordingly, the hinge portion 111 is a hinge mounting hole. Install through the hinge between hinge mounting hole and the granary mouth to guarantee that umbrella leaf monomer 110 can rotate around the hinge mounting hole, need carry on spacingly in lower extreme hinge department to umbrella leaf monomer 110's rotation angle during the installation.

More specifically, the umbrella blade 11 further includes a lifting lug 112 disposed on the single umbrella blade 110 and a plug 113 inserted into the lifting lug 112, and an end of the connecting rod 32 is sleeved on the plug 113 to be hinged to the single umbrella blade 110. The umbrella leaf single body 110 can be replaced only by detaching the hinge, the lifting lug 112 and the plug 113, and the maintenance is more convenient.

Furthermore, the annular umbrella body 1 is in an upward arch shape in a furled state, has better rigidity, enlarges the space in the granary, is favorable for rainwater to slide off, and is in a downward concave shape in an unfolded state, is favorable for guiding grains to enter the granary, and plays a role like a funnel.

In the embodiment, the overlapped area between two adjacent umbrella leaves 11 accounts for 1/7-1/5, preferably 1/6 of the area of a single umbrella leaf 11, so that the adjacent umbrella leaves 11 can achieve sufficient mutual supporting effect while ensuring sufficient area utilization rate.

Further, the cover body 2 is conical and is provided with a height sensor for detecting the full grain state. The conical cover body 2 is combined with the annular umbrella body 1 which is arched upwards in a furled state, and the formed conical structure can effectively prevent rainwater from entering the granary and ensure that the space in the granary is larger.

In order to ensure the rigidity and the light weight of the whole structure of the annular umbrella body 1, as one specific embodiment, but not limited to, the material of the single umbrella blade 110 and the material of the connecting rod 32 are the same, the material of the single umbrella blade 110 and the material of the connecting rod 32 are alloy with higher rigidity or carbon fiber with high strength, and the thickness of the single umbrella blade 110 is 4mm to 10mm.

The embodiment of the application also provides a harvester, including the harvester body and as above harvester granary lid, set up the open-ended granary in top on the harvester body, harvester granary lid is used for sealing the opening of granary. The harvester adopts the harvester grain bin cover, so that the harvester has corresponding beneficial effects.

It should be noted that, if the opening of the granary is approximately circular, the granary cover of the harvester of the embodiment can be perfectly installed in a matching manner; if the opening of the granary is quadrilateral or other polygons, the granary can be installed through a square-round transition surface. In addition, the part of the secondary hydraulic cylinder can penetrate through the grain tank to arrange a hydraulic pipeline at the lower end.

To better understand the technical solution of this embodiment, the working process of the harvester grain bin cover is further explained as follows:

the unfolding process of the harvester grain bin cover: the second-stage telescopic end 312 of the second-stage hydraulic cylinder 31 extends upwards first to drive the cover body 2 to rise and keep away from the gap 12, then the first-stage telescopic end 311 drives one end of each connecting rod 32 connected with the first-stage telescopic end 311 to rise, the other end of each connecting rod 32 outwards expands and drives the umbrella leaf single body 110 to turn around the hinge part 111 towards the direction far away from the center of the annular umbrella body 1, at the moment, the annular umbrella body 1 is in an unfolded state, the umbrella leaf single body 110 extends outwards from the hinge part 111 in a wider range, the gap 12 is enlarged, and the cover body 2 is far away from the gap 12, so that grains can conveniently enter a grain bin from an upper opening to collect the grains.

The gathering process of the harvester grain bin cover comprises the following steps: the first-stage telescopic end 311 of the second-stage hydraulic cylinder 31 firstly contracts downwards to drive one end of each connecting rod 32 connected with the first-stage telescopic end 311 to descend, the other end of each connecting rod 32 is inwardly folded and drives each umbrella leaf monomer 110 to turn around the hinge part 111 towards the direction close to the center of the annular umbrella body 1, then the second-stage telescopic end 312 contracts downwards to drive the cover body 2 to cover the gap 12, at the moment, the annular umbrella body 1 is in a folded state, the inward extending part of the umbrella leaf monomer 110 from the hinge part 111 is wider, the gap 12 is smaller, and the cover body 2 can completely cover the gap 12 so as to store or transport grains in a full warehouse in a sealed manner.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The foregoing is directed to the preferred embodiment of the present invention, and it is understood that various changes and modifications may be made by one skilled in the art without departing from the spirit of the invention, and it is intended that such changes and modifications be considered as within the scope of the invention.

Claims

1. A harvester grain bin cover is characterized by comprising an umbrella leaf (11) and a cover body (2), wherein the umbrella leaf (11) is provided with a plurality of annular umbrella bodies (1) which are sequentially stacked end to end and are surrounded to form a gap (12) in the middle, and the umbrella leaf (11) comprises an umbrella leaf single body (110) and a hinge part (111) arranged on the umbrella leaf single body (110);

the single umbrella leaf (110) can be turned around the hinge part (111) towards the direction close to the center of the annular umbrella body (1) to form a folded state, or turned around the hinge part (111) towards the direction far away from the center of the annular umbrella body (1) to form an unfolded state; the annular umbrella body (1) is arched upwards and enables the gap (12) to be small in a folded state, and is sunken downwards and enables the gap (12) to be enlarged in an unfolded state;

the cover body (2) can ascend or descend and is used for closing the gap (12) of the annular umbrella body (1) in a furled state;

the harvester grain bin cover further comprises a driving unit (3), and the driving unit (3) is connected with the umbrella leaf single body (110) and the cover body (2) and is used for respectively driving the umbrella leaf single body (110) to turn over and driving the cover body (2) to ascend or descend;

the driving unit (3) comprises a secondary hydraulic cylinder (31) and a plurality of connecting rods (32), one end of each connecting rod (32) is hinged with each umbrella leaf monomer (110) one by one, the other end of each connecting rod (32) is hinged with a primary telescopic end (311) of the secondary hydraulic cylinder (31), and the cover body (2) is arranged on a secondary telescopic end (312) of the secondary hydraulic cylinder (31);

the rotating shaft of the connecting rod (32) and the single umbrella leaf body (110) which rotate relatively and the rotating shaft of the single umbrella leaf body (110) which turns around the hinge part (111) are arranged to be parallel to each other.

2. A harvester grain cover according to claim 1, characterized in that the axis of rotation about which the hinge (111) is turned over by the flap element (110) is inclined to the tangent of the midpoint of the hinge (111).

3. A harvester cover as in claim 1, characterized in that the hinge (111) is a hinge mounting hole.

4. The harvester grain bin cover according to claim 1, wherein the umbrella leaf (11) further comprises a lifting lug (112) arranged on the umbrella leaf single body (110) and a bolt (113) inserted in the lifting lug (112), and the end part of the connecting rod (32) is sleeved on the bolt (113) so as to be hinged to the umbrella leaf single body (110).

5. A harvester cover according to claim 1, characterized in that the overlapping area between two adjacent umbrella leaves (11) is 1/7-1/5 of the area of a single umbrella leaf (11).

6. The harvester cover according to claim 1, characterized in that the cover (2) is conical and is provided with a height sensor for detecting a full grain condition.

7. A harvester cover according to claim 1, characterized in that the flap element (110) is of the same material as the connecting rod (32).

8. The harvester grain bin cover according to claim 7, wherein the material of the umbrella leaf single body (110) and the connecting rod (32) is alloy or carbon fiber.

9. A harvester cover according to claim 8, characterized in that the thickness of the umbrella leaf monomers (110) is 4mm to 10mm.

10. A harvester comprising a harvester body and the harvester lid of any one of claims 1-9, wherein the harvester body is provided with a grain bin having an upper opening, and the harvester lid is used for closing the opening of the grain bin.