CN212232190U - Corn harvester discharge apparatus - Google Patents

Abstract

The utility model relates to the field of agricultural equipment, in particular to a corn harvester unloading device, which comprises a grass bin, a lifting bracket arranged at the bottom of the grass bin and used for lifting the grass bin, a turnover mechanism arranged at the bottom of the grass bin and used for turning the grass bin, and a folding driving mechanism arranged at the bottom of the grass bin and used for folding the grass bin; the straw bin comprises a side plate and a bottom plate, the side plate is perpendicular to the bottom plate, the bottom of the side plate is hinged with the bottom plate, the side plate comprises a first vertical plate, a second vertical plate, a third vertical plate and a fourth vertical plate, and the fourth vertical plate can be unfolded to be in the same plane state with the bottom plate; the outer side walls of the bottoms of the first vertical plate, the second vertical plate and the third vertical plate are provided with a first folding mechanism; and a second folding mechanism is arranged on the outer side wall of the fourth vertical plate, and at least two steel wire ropes are respectively connected between the folding driving mechanism and the first folding mechanism and between the folding driving mechanism and the second folding mechanism. The utility model provides a reduce maize picker height in grass storehouse of unloading, can adapt to the discharge apparatus of different loading heights simultaneously.

Description

Corn harvester discharge apparatus

Technical Field

The utility model relates to an agricultural equipment field especially relates to a corn harvester discharge apparatus.

Background

China is a big agricultural country, corn, wheat and rice are main grain sources in China, wherein the yield of corn is more than 2 hundred million tons every year, most of crops are harvested by using mechanical equipment at the present stage in order to meet the requirement of high-yield crops, and a corn harvester is inevitably used in the corn harvesting process.

Current corn harvester reaps including driver's cabin, granary and grass storehouse, and the main effect in grass storehouse is to store the straw of reaping the back maize, transports the straw in the grass storehouse to the freight train, and present corn harvester's grass storehouse sets up in the top of harvester, and its height is higher, influences the trafficability characteristic of harvester when the harvester advances to the limit for height highway section, simultaneously, because of the high difference of different freight trains, current grass storehouse can not adapt to the freight train shipment straw of co-altitude not. Therefore, a discharging straw bin which does not affect the height limit of the corn harvester and can meet the loading requirements of different truck heights is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a corn harvester discharge apparatus to solve above-mentioned problem, provide a height that reduces corn harvester and unload the grass storehouse, can adapt to the discharge apparatus of different loading heights simultaneously.

In order to achieve the above object, the utility model provides a following scheme:

a corn harvester discharging device comprises a grass bin, a lifting support arranged at the bottom of the grass bin and used for lifting the grass bin, a turnover mechanism arranged at the bottom of the grass bin and used for turning over the grass bin, and a folding driving mechanism arranged at the bottom of the grass bin and used for folding the grass bin;

the straw bin comprises a side plate and a bottom plate, the side plate is perpendicular to the bottom plate, the bottom of the side plate is hinged to the bottom plate, the side plate comprises a first vertical plate, a second vertical plate, a third vertical plate and a fourth vertical plate, and the fourth vertical plate can be unfolded to be in the same plane state with the bottom plate;

the outer side walls of the bottoms of the first vertical plate, the second vertical plate and the third vertical plate are provided with first folding mechanisms; and a second folding mechanism is arranged on the outer side wall of the fourth vertical plate, and at least two steel wire ropes are respectively connected between the folding driving mechanism and the first folding mechanism and between the folding driving mechanism and the second folding mechanism.

Preferably, the lifting support comprises second vertical supports fixed at four corners of the bottom plate, a first vertical support in the second vertical support, four transverse supports for fixing the upper part of the second vertical support and a lifting hydraulic cylinder body hinged to the lower part of the first vertical support are slidably sleeved, and a piston of the lifting hydraulic cylinder is hinged to the lower surface of each transverse support.

Preferably, the turnover mechanism comprises an L-shaped support hinged to one end of the bottom plate, the other end of the L-shaped support is fixedly connected to one end of the top of the lifting support, a turnover hydraulic cylinder is hinged to one side, close to the lifting support, of the L-shaped support, and a cylinder body of the turnover hydraulic cylinder is hinged to the bottom plate.

Preferably, the folding driving mechanism comprises a winding wheel set coupled to the bottom of the bottom plate and a driving assembly arranged at the bottom of the bottom plate, and the moving direction of the driving assembly is perpendicular to the arrangement direction of the winding wheel set; the steel wire rope is wound on the winding wheel set, and the driving assembly is fixedly connected with the steel wire rope;

the winding wheel subassembly includes first winding wheel, second winding wheel, third winding wheel, fourth winding wheel, fifth winding wheel, sixth winding wheel, first winding wheel, second winding wheel, fourth winding wheel are pressed close to the bottom plate sets up, third winding wheel, fifth winding wheel are kept away from the bottom plate sets up, second winding wheel, the coaxial setting of third winding wheel, fourth winding wheel, fifth winding wheel, the sixth winding wheel is kept away from drive assembly sets up.

Preferably, the driving assembly comprises two rows of guide wheels which are connected with the bottom surface of the bottom plate in a parallel shaft mode, a guide plate arranged between the two rows of guide wheels, a pull rope hydraulic cylinder with an output shaft and the end, far away from the winding wheel set, of the guide plate, a first crank arm arranged in a collinear mode with one row of the guide wheels and a second crank arm arranged in a collinear mode with the other row of the guide wheels; the second crank arm is close to the pull rope hydraulic cylinder, and the first crank arm is based on the pull rope hydraulic cylinder;

the turning points of the first turning arm and the second turning arm are in shaft connection with the bottom plate, and one ends of the first turning arm and the second turning arm, which are close to the guide plate, are provided with guide rollers; the pull rope hydraulic cylinder body is fixedly connected with the bottom plate, and the other ends of the first crank arm and the second crank arm are fixedly connected with the steel wire rope.

Preferably, the first folding mechanism comprises a limiting plate fixedly arranged on the outer side wall of the first vertical plate, the second vertical plate and the third vertical plate, a first roller mounting plate fixedly arranged on the outer side of the bottom plate, a first reset block fixedly arranged on the outer side wall of the first vertical plate, the second vertical plate and the third vertical plate, a reset spring arranged below the first reset block, a spring mounting block arranged below the reset spring, a reset rod which slidably penetrates through the spring mounting block and first rollers which are coupled to two ends of the first roller mounting plate; the first roller mounting plates are arranged side by side, at least two reset guide blocks are arranged at intervals of the first roller mounting plates, the reset guide blocks are fixed on the outer side walls of the first vertical plate, the second vertical plate and the third vertical plate, the limiting plates and the upper ends of the first roller mounting plates are correspondingly arranged, the reset rod is of a T-shaped structure, the reset spring is sleeved on the reset rod, and the steel wire rope bypasses the first roller and is fixedly connected with the outer side walls of the first vertical plate, the second vertical plate and the third vertical plate.

Preferably, the second folding mechanism comprises a second roller mounting plate fixedly arranged at the bottom edge of the bottom plate, second rollers coupled to two ends of the second roller mounting plate, and a hook fixedly arranged at the lower edge of the outer side wall of the fourth vertical plate, and the steel wire rope is fixedly connected with the hook by bypassing the second rollers.

Preferably, the lower part of the outer side of the fourth vertical plate is further provided with a limiting assembly for limiting the unfolding position of the vertical plate, and the limiting assembly comprises two symmetrically arranged V-shaped arms and a first hinge rod hinged with the V-shaped arms; two the rigid coupling has the stiffener in the middle of the V type arm, two V type arm lower part with the one end of first articulated arm is articulated, two V type arm lower extreme with lifting support is articulated, the articulated arm other end with the bottom plate bottom surface is articulated.

Preferably, the lower part of the outer side of the fourth vertical plate is further provided with a reset mechanism for resetting the vertical plate, and the reset mechanism comprises a support rod, a second hinge rod, a hinge shaft and a reset arm, wherein one end of the support rod is hinged with the top of the lifting support, the second hinge rod is hinged on the support rod and is close to the lifting support, the hinge shaft is arranged at the other end of the second hinge rod, and the reset arm is hinged with the second hinge rod through the hinge shaft; and a second reset spring is sleeved outside the hinged shaft, and two ends of the second reset spring are respectively lapped with the second hinged rod and the reset arm.

The utility model discloses has following technological effect:

the driving mechanism is connected with the first folding mechanism and the second folding mechanism through a steel wire rope to drive the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate, and the fourth vertical plate is unfolded and folded, so that the height of the grass bin is reduced, and the passing performance of the corn harvester is improved;

the turnover mechanism is used for turning over the grass bin, dumping straws in the grass bin, and lifting and descending the grass bin through the lifting support so as to adapt to loading of different truck heights.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic bottom structure of the present invention;

FIG. 4 is a schematic view of a portion B of FIG. 3;

FIG. 5 is a partial enlarged view of C in FIG. 3;

FIG. 6 is a schematic view of a portion of the enlarged structure of D in FIG. 3;

FIG. 7 is a schematic bottom view of the lifting frame removed;

FIG. 8 is an enlarged partial view of E in FIG. 7;

FIG. 9 is an enlarged partial view of F in FIG. 7;

fig. 10 is a schematic view of the wire connection structure of the folding driving mechanism of the present invention.

Wherein, 1 is a first vertical plate, 2 is a second vertical plate, 3 is a third vertical plate, 4 is a fourth vertical plate, 5 is a lifting support, 501 is a first vertical support, 502 is a second vertical support, 203 is a transverse support, 504 is a lifting hydraulic cylinder, 6 is a turning hydraulic cylinder, 7 is a limiting component, 701 is a reinforcing rod, 702 is a V-shaped arm, 703 is a first hinged rod, 8 is a bottom plate, 9 is a first folding mechanism, 901 is a limiting plate, 902 is a first roller mounting plate, 903 is a first roller block, 904 is a return spring, 905 is a spring mounting block, 906 is a return rod, 907 is a return guide block, 908 is a first roller, 10 is a second folding mechanism, 1001 is a second roller mounting plate, 1002 is a second roller, 1003 is a hook, 11 is a return mechanism, 1101 is a support rod, 1103 is a hinged shaft, 1104 is a second return spring, 1105 is a joint, 1106 is a return arm, 12 is a folding driving mechanism, 1201 is a first winding wheel, 1202 is a second winding wheel, 1203 is a third winding wheel, 1204 is a fourth winding wheel, 1205 is a fifth winding wheel, 1206 is a guide wheel, 1207 is a guide plate, 1208 is a pull rope hydraulic cylinder, 1209 is a first crank arm, 1210 is a second crank arm, 1211 is a guide roller, 1212 is a sixth winding wheel, 13 is a bracket reinforcing component, 1301 is a reinforcing rod, 1302 is a fixing plate, 14 is a first steel wire rope, 15 is a second steel wire rope, 16 is a third steel wire rope, 17 is a fourth steel wire rope, and 18 is an L-shaped bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-10, the utility model provides a corn harvester unloading device, which comprises a grass bin, a lifting bracket 5 arranged at the bottom of the grass bin for lifting the grass bin, a turnover mechanism arranged at the bottom of the grass bin for turning the grass bin, and a folding driving mechanism 12 arranged at the bottom of the grass bin for folding the grass bin;

the grass bin comprises a side plate and a bottom plate 8, the side plate is perpendicular to the bottom plate 8, the bottom of the side plate is hinged to the bottom plate 8, the side plate comprises a first vertical plate 1, a second vertical plate 2, a third vertical plate 3 and a fourth vertical plate 4, and the fourth vertical plate 4 can be unfolded to be in the same plane state with the bottom plate 8;

the outer side walls of the bottoms of the first vertical plate 1, the second vertical plate 2 and the third vertical plate 3 are provided with a first folding mechanism 9; the outer side wall of the fourth vertical plate 4 is provided with a second folding mechanism 10, and at least two steel wire ropes are respectively connected between the folding driving mechanism 12 and the first folding mechanism 9 as well as between the folding driving mechanism 12 and the second folding mechanism 10. The driving mechanism 12 is connected with the first folding mechanism 9 and the second folding mechanism 10 through a steel wire rope to drive the first vertical plate 1, the second vertical plate 2, the third vertical plate 3 and the fourth vertical plate 4, and the fourth vertical plate 4 is unfolded and folded, so that the height of the grass bin is reduced, and the passing performance of the corn harvester is improved; the turnover mechanism is used for realizing turnover of the grass bin, dumping straws in the grass bin, and lifting and descending the grass bin through the lifting support 5 so as to adapt to loading of different truck heights.

Further optimize the scheme, lifting support 5 is including fixing the second vertical support 502 in 8 four corners of bottom plate, and the first vertical support 501, the horizontal support 503 and the cylinder body of fixed four second vertical supports 502 upper portions of sliding cup joint in second vertical support 502 articulate at first vertical support 501 lower part lift pneumatic cylinder 504, and the piston of lift pneumatic cylinder 504 is articulated with horizontal support 503 lower surface. The piston of the lifting hydraulic cylinder 504 extends to move to drive the transverse support 503 to move upwards, so that the second vertical support 502 is driven to move upwards relative to the first vertical support 501 to realize the lifting function of the grass bin, when the grass bin needs to descend, the lifting hydraulic cylinder 504 contracts to drive the transverse support 503 to move downwards, and therefore the second vertical support 502 is driven to move downwards relative to the first vertical support 501 to realize the descending function of the grass bin.

Further optimize the scheme, tilting mechanism include with bottom plate 8 bottom one end articulated L type support 18, L type support 18 other end and the horizontal support 503 one end fixed connection at lifting support 5 top, L type support 18 is close to lifting support 5 and goes up one side of horizontal support 503 and articulate there is upset pneumatic cylinder 6, and upset pneumatic cylinder 6 cylinder body is articulated with bottom plate 8. Through the flexible of upset pneumatic cylinder 6, promote bottom plate 8 and rotate along L type support 18, realize the upset function in grass storehouse.

In a further optimized scheme, the folding driving mechanism 12 comprises a winding wheel set coupled to the bottom of the bottom plate 8 and a driving assembly arranged at the bottom of the bottom plate 8, and the movement direction of the driving assembly is perpendicular to the arrangement direction of the winding wheel set; the steel wire rope is wound on the winding wheel set, and the driving assembly is fixedly connected with the steel wire rope; the steel wire ropes are a first steel wire rope 14, a second steel wire rope 15, a third steel wire rope 16 and a fourth steel wire rope 17.

The winding wheel assembly comprises a first winding wheel 1201, a second winding wheel 1202, a third winding wheel 1203, a fourth winding wheel 1204, a fifth winding wheel 1205 and a sixth winding wheel 1212, the first winding wheel 1201, the second winding wheel 1202 and the fourth winding wheel 1204 are arranged close to the bottom plate 8, the third winding wheel 1203 and the fifth winding wheel 1205 are far away from the bottom plate 8, the second winding wheel 1202 and the third winding wheel 1203 are coaxially arranged, the fourth winding wheel 1204 and the fifth winding wheel 1205 are coaxially arranged, and the sixth winding wheel 1212 is far away from the driving assembly. One end of a first steel wire rope 14 and one end of a second steel wire rope 15 are fixedly connected with the driving assembly, the first steel wire rope 14 winds around a fourth winding wheel 1204 and a second winding wheel 1202, the other end of the first steel wire rope winds around a first folding mechanism 9 on a third vertical plate 3 and is fixedly connected with the third vertical plate 3, the second steel wire rope 15 winds around a fifth winding wheel 1205 and a sixth winding wheel 1212, and the other end of the second steel wire rope winds around the first folding mechanism 9 on the first vertical plate 1 and is fixedly connected with the first vertical plate 1; one ends of a third steel wire rope 16 and a fourth steel wire rope 17 are fixedly connected with the driving assembly, the third steel wire rope 16 bypasses the first winding wheel 1201, the other end bypasses the second folding mechanism 10 on the fourth vertical plate 4 and is fixedly connected with the fourth vertical plate 4, the fourth steel wire rope 17 bypasses the third winding wheel 1203, and the other end bypasses the first folding mechanism 9 on the second vertical plate 2 and is fixedly connected with the second vertical plate 2. The first steel wire rope 14, the second steel wire rope 15, the third steel wire rope 16 and the fourth steel wire rope 17 are pulled by the driving assembly, so that the first vertical plate 1, the second vertical plate 2 and the third vertical plate 3 are driven to be relatively unfolded to be vertical to the bottom plate 8.

In a further optimized scheme, the driving assembly comprises two rows of guide wheels 1206 which are parallelly connected to the bottom surface of the bottom plate 8 in a shaft coupling mode, a guide plate 1207 arranged between the two rows of guide wheels 1206, a rope pulling hydraulic cylinder 1208, an output shaft and the guide plate 1207 are fixed far away from the winding wheel group end, a first crank arm 1209 which is arranged in a collinear mode with one row of guide wheels 1206, and a second crank arm 1210 which is arranged in a collinear mode with the other row of guide wheels 1206; the second crank arm 1210 is close to the pull-rope hydraulic cylinder 1208, and the first crank arm 1209 is far away from the pull-rope hydraulic cylinder 1208;

inflection points of the first crank arm 1209 and the second crank arm 1210 are coupled with the bottom plate 8, and one ends of the first crank arm 1209 and the second crank arm 1210 close to the guide plate 1207 are provided with guide rollers 1211; the cylinder body of the rope pulling hydraulic cylinder 1208 is fixedly connected with the bottom plate 8, the other end of the first crank arm 1209 is provided with a steel wire rope fixer, the other end of the first crank arm 1209 is fixedly connected with a third steel wire rope 16 and a fourth steel wire rope 17 through the steel wire rope fixer, the other end of the second crank arm 1210 is provided with a steel wire rope fixer, and the other end of the second crank arm 1210 is fixedly connected with a first steel wire rope 14 and a second steel wire rope 15 through the steel wire rope fixer. Be close to stay cord pneumatic cylinder 1208 through second connecting lever 1210, stay cord pneumatic cylinder 1208 setting is kept away from to first connecting lever 1209, can make second connecting lever 1210 drive first wire rope 14 when the ejecting motion of stay cord pneumatic cylinder 1208, second wire rope 15 is taut earlier, thereby make first riser 1 and third riser 3 expand earlier, when stay cord pneumatic cylinder 1208 shrink motion, first connecting lever 1209 drives third wire rope 16 and fourth wire rope 17 and contracts earlier, thereby make second riser 2 and fourth riser 4 fold earlier.

Further, in an optimized scheme, the first folding mechanism 9 includes a limiting plate 901 fixedly disposed on the outer side walls of the first vertical plate 1, the second vertical plate 2 and the third vertical plate 3, a first roller mounting plate 902 fixedly disposed on the outer side of the bottom plate 8, a first reset block 903 fixedly disposed on the outer side walls of the first vertical plate 1, the second vertical plate 2 and the third vertical plate 3, a reset spring 904 disposed below the first reset block 903, a spring mounting block 905 disposed below the reset spring 904, a reset rod 906 slidably passing through the spring mounting block 905, and first rollers 908 axially connected to two ends of the first roller mounting plate 902; first gyro wheel mounting panel 902 is provided with two at least side by side, two first gyro wheel mounting panel 902 intervals are provided with guide block 907 that resets, guide block 907 that resets is fixed on first riser 1, second riser 2, on the 3 lateral walls of third riser, limiting plate 901 and the corresponding setting in first gyro wheel mounting panel 902 upper end, release link 906 is T type structure, reset spring 904 cup joints on release link 906, first gyro wheel 908 and the 3 lateral walls fixed connection of third riser on first riser 14 bypasses third riser 3, second wire rope 15 bypasses first gyro wheel 908 and 1 lateral walls fixed connection of first riser on 1, fourth wire rope 17 bypasses first gyro wheel 908 and 2 lateral walls fixed connection of second riser on the second riser 2. First riser 1, second riser 2, receive second wire rope 15 respectively when third riser 3 expandes, fourth wire rope 17, the extension is realized to first wire rope 14's pulling force, when needs are folding, reset spring 904's elasticity makes release link 908 upward movement, release link 908 withstands first reset block 903 upward movement, first reset block 903 drives first riser 1, second riser 2, third riser 3 is folding inwards, lean on gravity to realize folding when the three is less than 90 degrees with 8 contained angles of bottom plate.

Further optimize the scheme, the second folding mechanism 10 includes a second roller mounting plate 1001 fixedly disposed at the bottom edge of the bottom plate 8, a second roller 1002 coupled to two ends of the second roller mounting plate 1001, and a hook 1003 fixedly disposed at the lower edge of the outer sidewall of the fourth vertical plate 4, and the third steel wire rope 16 is fixedly connected to the hook 1003 by bypassing the second roller 1002.

In a further optimized scheme, the lower part of the outer side of the fourth vertical plate 4 is also provided with a limiting component 7 for limiting the unfolding position of the vertical plate 4, and the limiting component 7 comprises two symmetrically arranged V-shaped arms 702 and a first hinge rod 703 hinged with the V-shaped arms 702; a reinforcing rod 701 is fixedly connected between the two V-shaped arms 702, the lower portions of the two V-shaped arms 702 are hinged with one end of a first hinge rod 703, the lower ends of the two V-shaped arms 702 are hinged with the lifting support 5, and the other end of the hinge rod 703 is hinged with the bottom surface of the bottom plate 8. When the straw is dumped in the grass cabin, the limiting component 7 is unfolded along with the fourth vertical plate 4 to limit the opening angle of the fourth vertical plate 4.

In a further optimized scheme, a reset mechanism 11 for resetting the vertical plate 4 is further arranged at the lower part of the outer side of the fourth vertical plate 4, and the reset mechanism 11 comprises a supporting rod 1101 with one end hinged to the top of the lifting support 5, a second hinge rod 1102 hinged to the supporting rod 1101 and close to the lifting support 5, a hinge shaft 1103 arranged at the other end of the second hinge rod 1102, and a reset arm 1106 hinged to the second hinge rod 1102 through the hinge shaft 1103; a second return spring 1104 is sleeved outside the hinge shaft 1103, and two ends of the second return spring 1104 are respectively overlapped with the second hinge rod 1102 and the return arm 1106. When the grass bin is reset, the second reset spring 1104 drives the reset arm 1106 to reset, and the reset arm 1106 pushes the fourth vertical plate 4 to reset.

According to a further optimized scheme, the support reinforcing component 13 is arranged in the middle of the lifting support 5, the support reinforcing component 13 comprises at least two reinforcing rods 1301, the number of the reinforcing rods 1301 is preferably 4, one end of each reinforcing rod 1301 is fixedly connected with the second vertical support 502, and the other end of each reinforcing rod 1301 is fixedly provided with a fixing plate 1302. The function of reinforcing the lifting support 5 is realized through the reinforcing component.

The working process of the embodiment is as follows:

the lifting function of the grass bin is realized by controlling a lifting hydraulic cylinder 504 to lift through an operating room of the corn harvester, the lifting hydraulic cylinder 504 pushes a transverse support 503 to move upwards, so that a second vertical support 502 is driven to move upwards along a first vertical support 501, a bottom plate 8, a first vertical plate 1, a second vertical plate 2, a third vertical plate 3 and a fourth vertical plate 4 are driven to move upwards, the lifting function of the grass bin is realized, and the lifting hydraulic cylinder 504 is controlled to fall through the operating room, so that the falling function of the grass bin is realized;

the function is emptyd in the grass storehouse, and control upset pneumatic cylinder 6 through corn harvester expandes, and upset pneumatic cylinder 6 promotes bottom plate 8 and rotates along L type support, and fourth riser 4 continues to expand to realize the function of emptying in grass storehouse, emptys the completion back, and control upset pneumatic cylinder 6 contracts, and bottom plate 8 is along L type support antiport, and fourth riser 4 drives arm 1106 that resets through second reset spring 1104, and arm 1106 that resets promotes fourth riser 4 and realizes resetting.

The grass bin folding function is that a pull rope hydraulic cylinder 1208 is controlled to be pushed out through an operation chamber of the corn harvester, the pull rope hydraulic cylinder 1208 drives a guide plate 1207 to be pushed out outwards along a guide wheel 1206, the guide plate 1206 pushes a first connecting lever 1209 and a second connecting lever 1210 to rotate, the second connecting lever 1210 rotates before the first connecting lever 1209, so that the second connecting lever 1210 pulls a first steel wire rope 14 and a second steel wire rope 15, the first steel wire rope 14 pulls a third vertical plate 3 and the second steel wire rope 15 pulls a first vertical plate 1 to be unfolded, the first connecting lever 1209 pulls a third steel wire rope 16 and a fourth steel wire rope 17, and the third steel wire rope 16, the fourth vertical plate 4 and the fourth steel wire rope 17 pull a second vertical plate 2 to be unfolded later than the first vertical plate 1 and the third vertical plate 3; when needing to be folded, control stay cord pneumatic cylinder 1208 inwards contracts, first connecting lever 1209 is earlier than second connecting lever 1210 antiport, first riser 1, reset spring 904 on the third riser 3 promotes release link 906 upward movement, release link 906 promotes first reset block 903, first reset block 903 promotes first riser 1, third riser 3 is folded, when first riser 1, third riser 3 is less than 90 with bottom plate 8's contained angle, first riser 1, third riser 3 realizes folding by the action of gravity, second connecting lever 1210 antiport, second riser 2 realizes folding through reset spring, fourth riser 4 drives reset arm 1106 through second reset spring 1104 and resets, reset arm 1106 promotes fourth riser 4 and realizes folding.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims (9)

1. The utility model provides a corn harvester discharge apparatus which characterized in that: comprises a grass bin, a lifting bracket (5) arranged at the bottom of the grass bin and used for lifting the grass bin, a turnover mechanism arranged at the bottom of the grass bin and used for turning over the grass bin, and a folding driving mechanism (12) arranged at the bottom of the grass bin and used for folding the grass bin;

the grass bin comprises a side plate and a bottom plate (8), the side plate is perpendicular to the bottom plate (8), the bottom of the side plate is hinged to the bottom plate (8), the side plate comprises a first vertical plate (1), a second vertical plate (2), a third vertical plate (3) and a fourth vertical plate (4), and the fourth vertical plate (4) can be unfolded to be in the same plane state with the bottom plate (8);

the outer side walls of the bottoms of the first vertical plate (1), the second vertical plate (2) and the third vertical plate (3) are provided with a first folding mechanism (9); the outer side wall of the fourth vertical plate (4) is provided with a second folding mechanism (10), and at least two steel wire ropes are respectively connected between the folding driving mechanism (12) and the first folding mechanism (9) and between the folding driving mechanism and the second folding mechanism (10).

2. The corn harvester discharge apparatus of claim 1, wherein: the lifting support (5) comprises second vertical supports (502) fixed at four corners of the bottom plate (8), a first vertical support (501) in the second vertical support (502), four transverse supports (503) and a cylinder body, wherein the upper portions of the second vertical supports (502) are slidably sleeved, the transverse supports (503) and the cylinder body are hinged to a lifting hydraulic cylinder (504) on the lower portion of the first vertical support (501), and a piston of the lifting hydraulic cylinder (504) is hinged to the lower surfaces of the transverse supports (503).

3. The corn harvester discharge apparatus of claim 1, wherein: the turnover mechanism comprises an L-shaped support (18) hinged to one end of the bottom plate (8), the other end of the L-shaped support (18) is fixedly connected to one end of the top of the lifting support (5), one side, close to the lifting support (5), of the L-shaped support (18) is hinged to a turnover hydraulic cylinder (6), and a cylinder body of the turnover hydraulic cylinder (6) is hinged to the bottom plate (8).

4. The corn harvester discharge apparatus of claim 1, wherein: the folding driving mechanism (12) comprises a winding wheel set and a driving assembly, wherein the winding wheel set is connected to the bottom of the bottom plate (8) in a shaft mode, the driving assembly is arranged at the bottom of the bottom plate (8), and the moving direction of the driving assembly is perpendicular to the arrangement direction of the winding wheel set; the steel wire rope is wound on the winding wheel set, and the driving assembly is fixedly connected with the steel wire rope;

the winding wheel assembly comprises a first winding wheel (1201), a second winding wheel (1202), a third winding wheel (1203), a fourth winding wheel (1204), a fifth winding wheel (1205), and a sixth winding wheel (1212), wherein the first winding wheel (1201), the second winding wheel (1202), and the fourth winding wheel (1204) are arranged close to the bottom plate (8), the third winding wheel (1203), and the fifth winding wheel (1205) are arranged away from the bottom plate (8), the second winding wheel (1202), and the third winding wheel (1203) are arranged coaxially, the fourth winding wheel (1204), the fifth winding wheel (1205) are arranged coaxially, and the sixth winding wheel (1212) is arranged away from the driving assembly.

5. The corn harvester discharge apparatus of claim 4, wherein: the driving assembly comprises two rows of guide wheels (1206) which are connected with the bottom surface of the bottom plate (8) in a shaft-to-shaft mode, a guide plate (1207) arranged between the two rows of guide wheels (1206), a rope pulling hydraulic cylinder (1208) with an output shaft and the guide plate (1207) fixed far away from the winding wheel group end, a first crank arm (1209) arranged in a collinear mode with one row of the guide wheels (1206), and a second crank arm (1210) arranged in a collinear mode with the other row of the guide wheels (1206); the second crank arm (1210) is close to the pull-rope hydraulic cylinder (1208), and the first crank arm (1209) is far away from the pull-rope hydraulic cylinder (1208);

inflection points of the first crank arm (1209) and the second crank arm (1210) are in shaft joint with the bottom plate (8), and one end, close to the guide plate (1207), of the first crank arm (1209) and one end, close to the second crank arm (1210), of the guide plate (1211) are provided; the cylinder body of the rope pulling hydraulic cylinder (1208) is fixedly connected with the bottom plate (8), and the other ends of the first crank arm (1209) and the second crank arm (1210) are fixedly connected with the steel wire rope.

6. The corn harvester discharge apparatus of claim 1, wherein: the first folding mechanism (9) comprises a limiting plate (901) fixedly arranged on the outer side walls of the first vertical plate (1), the second vertical plate (2) and the third vertical plate (3), a first roller mounting plate (902) fixedly arranged on the outer side of the bottom plate (8), a first reset block (903) fixedly arranged on the outer side walls of the first vertical plate (1), the second vertical plate (2) and the third vertical plate (3), a reset spring (904) arranged below the first reset block (903), a spring mounting block (905) arranged below the reset spring (904), a reset rod (906) which penetrates through the spring mounting block (905) in a sliding manner, and first rollers (908) axially connected to two ends of the first roller mounting plate (902); the first roller mounting plates (902) are arranged side by side, at least two reset guide blocks (907) are arranged at intervals between the two first roller mounting plates (902), the reset guide blocks (907) are fixed on the outer side walls of the first vertical plate (1), the second vertical plate (2) and the third vertical plate (3), the limiting plate (901) and the upper end of the first roller mounting plate (902) are correspondingly arranged, the reset rod (906) is of a T-shaped structure, the reset spring (904) is sleeved on the reset rod (906), and the steel wire rope bypasses the first roller (908) and is fixedly connected with the outer side walls of the first vertical plate (1), the second vertical plate (2) and the third vertical plate (3).

7. The corn harvester discharge apparatus of claim 1, wherein: the second folding mechanism (10) comprises a second roller mounting plate (1001) fixedly arranged at the bottom edge of the bottom plate (8), a second roller (1002) coupled to two ends of the second roller mounting plate (1001), and a hook (1003) fixedly arranged at the lower edge of the outer side wall of the fourth vertical plate (4), and the steel wire rope bypasses the second roller (1002) and is fixedly connected with the hook (1003).

8. The corn harvester discharge apparatus of claim 1, wherein: the lower part of the outer side of the fourth vertical plate (4) is further provided with a limiting assembly (7) for limiting the unfolding position of the vertical plate (4), and the limiting assembly (7) comprises two V-shaped arms (702) which are symmetrically arranged and a first hinge rod (703) hinged with the V-shaped arms (702); two the rigid coupling has stiffener (701) in the middle of V type arm (702), two V type arm (702) lower part with the one end of first articulated rod (703) is articulated, two V type arm (702) lower extreme with lifting support (5) are articulated, first articulated rod (703) other end with bottom plate (8) bottom surface is articulated.

9. The corn harvester discharge apparatus of claim 1, wherein: a reset mechanism (11) for resetting the vertical plate (4) is further arranged at the lower part of the outer side of the fourth vertical plate (4), the reset mechanism (11) comprises a supporting rod (1101) with one end hinged to the top of the lifting support (5), a second hinge rod (1102) hinged to the supporting rod (1101) and close to the lifting support (5), a hinge shaft (1103) arranged at the other end of the second hinge rod (1102) and a reset arm (1106) hinged to the second hinge rod (1102) through the hinge shaft (1103); and a second return spring (1104) is sleeved on the outer side of the hinge shaft (1103), and two ends of the second return spring (1104) are respectively lapped with the second hinge rod (1102) and the return arm (1106).

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