CN215011677U - Diversified grain device and harvester of unloading - Google Patents

Abstract

A multi-azimuth grain unloading device and a harvester are provided, wherein the multi-azimuth grain unloading device comprises a grain tank body, a first conveying screw conveyor, a transfer conveying mechanism, a swing mechanism and a grain unloading cylinder; the first conveying auger is arranged in the grain tank body, is arranged along the harvester body to be matched with the grain tank body in the conveying direction in the grain tank body, and the output end of the first conveying auger is communicated with the transfer conveying mechanism, the swing mechanism and the grain unloading cylinder in sequence; the grain unloading cylinder is rotatably installed at the top of the grain box body through a rotary mechanism and can horizontally rotate under the driving of the rotary mechanism. The utility model discloses can avoid grain tank body side tank wall to unloading the restriction of a grain section of thick bamboo rotation range to accessible rotation mechanism drives unloads a grain section of thick bamboo and carries out horizontal rotation, thereby realizes diversely unloading grain.

Description

Diversified grain device and harvester of unloading

Technical Field

The utility model relates to the technical field of agricultural machinery, specifically a diversified grain device and harvester of unloading.

Background

At present, the grain unloading device used by the grain harvester on the market has the following structure: the grain unloading device comprises a grain tank body, wherein a grain unloading cylinder is arranged on the wall of the left side of the grain tank body, and the grain unloading cylinder can rotate in a small range on the left side of the grain tank body; the interior bottom of grain tank body is equipped with the transport screw feeder, and the direction of delivery who carries the screw feeder is right side to the left side (also the right side to the left side of harvester) from the grain tank body to can carry this internal grain of grain tank to being located the left grain section of thick bamboo of unloading of grain tank body. When the grain is full, the grain unloading cylinder is rotated to the position of the grain unloading vehicle by controlling the hydraulic cylinder to stretch, and the left-side grain unloading operation is carried out. After the grains in the grain box body are unloaded, the telescopic motion of the hydraulic cylinder is operated to make the grain unloading cylinder rotate to the initial position.

However, this design, which can only unload grains on the left side, has a great limitation, for example, when harvesting farmlands in river areas or harvesting other long farmlands, the left side of the harvester may face the farmlands, and the grain carrying boat or the grain carrying vehicle can only be parked at other positions of the harvester, which results in that the grain unloading cannot be carried out.

Therefore, in order to ensure that the harvester can smoothly unload grains in different scenes, the grain unloading device of the harvester needs to be improved, so that the harvester at least has the function of unloading grains in multiple directions.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model discloses a diversified grain device of unloading can make the harvester realize diversified grain of unloading when being applied to on the harvester.

The utility model discloses an one of purpose is realized through following technical scheme:

a multi-azimuth grain unloading device comprises a grain box body, a first conveying screw conveyor, a transfer conveying mechanism, a rotary mechanism and a grain unloading cylinder; the first conveying auger is arranged in the grain tank body, the conveying direction of the first conveying auger in the grain tank body is arranged along the front-back direction of a harvester body to be matched with the grain tank body, and the output end of the first conveying auger is communicated with the transfer conveying mechanism, the swing mechanism and the grain unloading cylinder in sequence; the grain unloading cylinder is rotatably installed at the top of the grain box body through a rotary mechanism and can horizontally rotate under the driving of the rotary mechanism.

Preferably, the slewing mechanism comprises a first rotary joint and a second rotary joint which are mutually rotatably connected and can rotate relatively on a vertical plane; the first rotary joint is rotatably butted at the upper end of the transfer conveying mechanism and can horizontally rotate; the second rotary joint is connected with the grain unloading barrel.

Preferably, the revolving mechanism further comprises a telescopic mechanism, and two ends of the telescopic mechanism are respectively and fixedly connected with the first rotating joint and the grain unloading barrel. The second rotary joint is used for driving the second rotary joint to rotate relative to the first rotary joint along the vertical surface.

As the preferred scheme, transfer conveying mechanism include a grain conveying cylinder and install the second transport screw feeder in a grain conveying cylinder, a grain conveying cylinder is connected the output of first transport screw feeder with between the first rotary joint, the input of second transport screw feeder with the output of first transport screw feeder links up mutually.

Preferably, the swing mechanism further comprises a third conveying screw; the third carries the screw feeder to follow first rotary joint is inside to extend to inside the second rotary joint, the input of third transport screw feeder with the output of second transport screw feeder links up mutually.

As the preferred scheme, the bottom of the grain conveying cylinder is provided with an installation plate with an access hole, and a detachable cover and a sealing element are installed at the access hole.

As the preferred scheme, the device also comprises a plurality of seat plates; the bottom of the grain tank body is provided with a V-shaped groove, and the first conveying auger is arranged on the inner bottom surface of the V-shaped groove; the seat plate is provided with a V-shaped notch matched with the outer bottom surface of the V-shaped groove and is loaded below the outer bottom surface of the V-shaped groove.

According to the preferable scheme, a V-shaped groove is formed in the bottom of the grain tank body, the first conveying auger is installed on the inner bottom surface of the V-shaped groove, and an auxiliary auger parallel to the first conveying auger is arranged on the inclined surface of the V-shaped groove.

As the preferred scheme, the front top or the rear top, the left top and the right top of the grain tank body form a settling platform; the rotary mechanisms and the grain unloading cylinders are provided with a left group and a right group which correspond to each other, the left group of rotary mechanisms and the right group of rotary mechanisms are rotatably installed on the front top or the rear top settling platform of the grain box body, and the left group of grain unloading cylinders and the right group of grain unloading cylinders can rotate through the corresponding rotary mechanisms and are accommodated on the left top settling platform and the right top settling platform which correspond to each other.

The second purpose of the utility model is to disclose a harvester capable of unloading grains in multiple directions. The harvester is provided with the multi-azimuth grain unloading device in any scheme.

Preferably, the harvester is an unmanned harvester.

As a preferred scheme, the front top and the left and right tops of the grain tank body are provided with settling platforms; the rotary mechanisms and the grain unloading cylinders are provided with a left group and a right group which correspond to each other, the left group of rotary mechanisms and the right group of rotary mechanisms are rotatably installed on the front top settling platform of the grain box body, and the left group of grain unloading cylinders and the right group of grain unloading cylinders can rotate through the corresponding rotary mechanisms and are accommodated on the left top settling platform and the right top settling platform which correspond to each other.

The utility model discloses possess following beneficial effect at least:

(1) the conveying direction of the first conveying auger is arranged along the front-back direction of the grain tank body, the rotary mechanism is rotatably arranged at the top of the grain tank body, the rotary mechanism can drive the grain unloading cylinder to horizontally rotate, the limitation of the side wall of the grain tank body on the rotation range of the grain unloading cylinder can be avoided, multi-azimuth grain unloading is realized through the rotary mechanism, and meanwhile, the grain unloading device/harvester can smoothly unload grains in different scenes.

(2) In the preferred scheme, be equipped with the mounting panel of taking the access hole in the bottom of grain conveying cylinder, through with detachable lid and sealing member setting in access hole department, can end the back in the operation season and when the diversified grain device complete machine of unloading is maintained, clear away the inside broken grain of grain conveying cylinder through access hole department, prevent to block up grain conveying cylinder.

(3) In the preferred scheme, the bottom of grain tank body is V-arrangement recess, and first transport screw feeder installs the interior bottom surface at this V-arrangement recess, makes grain can concentrate on falling first transport screw feeder, unloads the grain more fully. Bear the bedplate that has the V-arrangement breach in the outer bottom surface of V-arrangement recess, can the bottom surface of bedplate regard as the holding surface, will diversely unload grain device and directly place platform (including placing the frame of harvester) or plane on, do not need the bulge position of other frock utensil cooperation grain tank bottoms to place, just transport, long-distance transport with the application. Particularly, when the harvester is placed on a frame of a harvester, a gap matched with the convex part does not need to be formed on the frame, the special-shaped parts are not mutually matched and installed, and the difficulty of machining and matching is reduced; when the grain bin is installed, two persons are not needed to be installed in a matching mode, namely one person is needed to be arranged inside and outside the grain bin, so that the operation difficulty and the operation strength are effectively reduced.

(4) In the preferred scheme, the rotary mechanism and the grain unloading barrel are provided with a left group and a right group which correspond to each other, so that the grain unloading efficiency can be greatly improved; the front top and the left and right tops of the grain tank body are set as settling platforms, so that the left and right groups of grain unloading cylinders can be better accommodated.

(5) In the preferred scheme, set up the settlement platform at grain tank body top to and set up the supplementary screw feeder on the inclined plane of grain tank body bottom surface V-arrangement recess and can improve and unload grain efficiency, save and unload the grain time.

Drawings

FIG. 1 is a perspective view of one embodiment of a multi-directional grain unloading device;

FIG. 2 is a schematic view of a drive assembly of the first rotary joint of FIG. 1;

FIG. 3 is a schematic structural diagram of an embodiment of a grain conveying cylinder transmission assembly;

FIG. 4 is a schematic structural view of a bottom mounting plate of the grain delivery cylinder of FIG. 1;

FIG. 5 is a schematic view of the structure of the double grain discharge cylinder in FIG. 1 rotating to discharge grain to the left side;

fig. 6 is a schematic structural view of the double grain unloading cylinder in fig. 1 turning to the front side for grain unloading.

Reference numerals: 1. a harvester frame; 2. a grain tank body; 3. the inside of the grain tank body; 4. a seat plate; 5. a first conveying auger; 6. a first sprocket; 7. a grain conveying cylinder; 8. a gear case; 9. a second sprocket; 10. buckling; 11. a second rotary joint; 12. a telescoping mechanism; 13. a support; 14. unloading the grain cylinder; 15. a first rotary joint; 16. a toothed ring; 17. a V-shaped protrusion; 18. a pinion gear; 19. a power mechanism; 20. mounting a plate; 21. a cover and a sealing strip; 22. mounting a seat plate; 23. a first bevel gear; 24. a second bevel gear; 25. a drive shaft; 26. a third sprocket; 27. and a chain.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

It should be noted that: unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of the words "a," "an," or "the" and similar referents in the specification and claims of the present application does not imply a limitation of quantity, but rather indicates the presence of at least one. The word "comprise" or "comprises", and the like, indicates that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, but does not exclude other elements or items having the same function.

In the embodiment shown in fig. 1, the multi-azimuth grain unloading device comprises a grain tank body 2, a grain unloading cylinder 14 arranged on the grain tank body 2, and a first conveying auger 5 positioned in the grain tank body 2 and used for conveying grains. The power output end of the driving mechanism is connected with the first conveying screw conveyor 5. The first conveying auger 5 is arranged along the front-back direction of the harvester body to be matched with the grain tank body in the conveying direction inside the grain tank body (namely the head-tail direction of the harvester). The grain unloading cylinder is rotatably installed at the top of the grain box body through a rotary mechanism and can horizontally rotate under the driving of the rotary mechanism, as shown in fig. 5 and 6. The connecting position of the swing mechanism corresponds to the conveying tail end of the first conveying screw. The tail end of the first conveying auger 5 is also provided with a transfer conveying mechanism for conveying the grains in the grain box body to the grain unloading barrel 14, and the output end of the first conveying auger is communicated with the transfer conveying mechanism, the swing mechanism and the grain unloading barrel in sequence.

In this embodiment, the transfer conveying mechanism includes a grain conveying cylinder 7 extending from the conveying end of the first conveying auger 5 to the top of the grain tank body 2, a second conveying auger is arranged in the grain conveying cylinder 7, an inlet connected with the end of the first conveying auger 5 is arranged on the grain conveying cylinder 7, the first conveying auger 5 in the grain tank body 2 rotates to convey grains to the end of the first conveying auger and conveys the grains into the grain conveying cylinder 7 from the inlet of the grain conveying cylinder 7, and the grains are conveyed out to the swing mechanism through the second conveying auger.

In the present embodiment, the revolving mechanism is used to realize multi-directional rotation of the grain unloading drum 14, and in an embodiment not shown in the drawings, the revolving mechanism employs a horizontal rotating joint rotatably disposed on the top of the grain conveying drum 7, and the horizontal rotating joint is in butt joint with the grain conveying drum 7 and can rotate relatively. The other end of the horizontal rotating joint is communicated with the grain unloading barrel, so that the grain unloading barrel can horizontally rotate through the horizontal rotating joint. In the embodiment shown in fig. 1: the turning mechanism comprises a first turning joint 15 and a second turning joint 11 which are mutually rotatably connected and can relatively turn on a vertical plane. Wherein, the first rotary joint 15 is butt jointed at the upper end of the transfer conveying mechanism in a rotary way and can horizontally rotate; the second rotary joint 11 is connected with the grain unloading barrel 14. The all-round rotation of unloading a grain section of thick bamboo is realized through the horizontal gyration of first rotating joint 15, through the second rotating joint for first rotating joint's vertical rotation, realizes unloading the regulation of grain section of thick bamboo lifting height.

In this embodiment, the swing mechanism may further comprise a third conveying screw, the third conveying screw extends from the inside of the first rotating joint 11 to the inside of the second rotating joint 15, and an input end of the third conveying screw is connected with an output end of the second conveying screw. The grains in the grain tank body 2 are conveyed to the grain unloading cylinder 14 sequentially through the second conveying auger and the third conveying auger. It should be noted that: the swing mechanism also comprises a driving component for driving the first rotating joint to rotate and a driving mechanism for driving the grain unloading cylinder to rotate up and down relative to the top of the grain box, so that the grain unloading cylinder can rotate in multiple directions.

The bottom of grain tank body 2 can set up one or more first transport screw feeder 5, and the bottom of grain tank body 2 corresponds each first transport screw feeder 5 and all is equipped with the inclined plane that inclines downwards to this first transport screw feeder direction, and this inclined plane forms V-arrangement recess (it should be noted here that the V-arrangement only indicates that the incline direction of both sides wall is roughly V-arrangement, does not require the bottom to be sharp bottom, does not also require bilateral symmetry) in the bottom of grain tank body 2. The grain unloading cylinder 14 can also be provided with one or more than one grain unloading cylinder, when a plurality of grain unloading cylinders 14 are arranged, the grain unloading cylinders 14 are connected with the first conveying auger through a transfer conveying mechanism, and what needs to be described here is that: a first transport screw feeder can link up one or more and unload a grain section of thick bamboo, of course, according to the corresponding condition, the corresponding change can also be made to the shape of grain tank body bottom.

For example, in the embodiment shown in fig. 1, two grain unloading drums 14 are arranged at intervals, and the two grain unloading drums 14 are respectively arranged at one end of the top of the grain tank body through independent rotary mechanisms. The two grain unloading barrels 14 rotate in multiple directions at the top of the grain box body through respective rotary mechanisms. Inside at the grain tank body, be equipped with two first transport screw feeders 5, form two V nature recesses in grain tank body bottom. Each grain unloading cylinder is provided with a grain conveying cylinder 7 correspondingly, a second conveying screw conveyor driven by a power mechanism is arranged in each grain conveying cylinder 7, and the tops of the two grain conveying cylinders 7 are respectively connected with the corresponding grain unloading cylinders through corresponding rotary mechanisms.

In the embodiment shown in fig. 1, the front top and the left and right tops of the grain bin body are provided with settling platforms; the rotary mechanisms and the grain unloading cylinders are provided with a left group and a right group which correspond to each other, the left group of rotary mechanisms and the right group of rotary mechanisms are rotatably installed on the front top settling platform of the grain box body, and the left group of grain unloading cylinders and the right group of grain unloading cylinders can rotate through the corresponding rotary mechanisms and are accommodated on the left top settling platform and the right top settling platform which correspond to each other. The setting of settlement platform can reduce the vertical height of second transport screw feeder among the transfer conveyor. According to the requirement, the sedimentation platform at the front top of the grain box body can be arranged at the rear top in a rotating mode, and the grain unloading cylinder is correspondingly and rotatably arranged on the sedimentation platform at the rear top through the rotating mechanism.

In this embodiment, the top surface of the grain tank body 2 is higher than the settling platform, and the volume of the grain tank body is not reduced too much while the vertical height of the second conveying auger is reduced by the settling platform. And the grain unloading cylinder can play a role in protecting the grain unloading cylinder after being accommodated in a concave part formed between the side wall and the top surface of the grain tank body by the left and right top settling platforms.

In order to further improve the conveying speed of the grains in the grain tank, one or more auxiliary augers parallel to the first conveying auger can be arranged on the inclined plane of the V-shaped groove at the bottom of the grain tank body. For example, the following steps are carried out: corresponding each first transport screw feeder, the inclined plane of its both sides constitutes a V-arrangement recess, can set up a first transport screw feeder in the bottom of V-arrangement recess, respectively establishes an auxiliary screw feeder at the both sides inclined plane that corresponds, in addition, also can carry out more settings according to the whole width on inclined plane, can further improve the transport speed of grain in the grain bin. The bottom of grain tank body 2 corresponds each first transport screw feeder 5 and all is equipped with the inclined plane that inclines to this first transport screw feeder direction, and this inclined plane forms the V-arrangement recess in the bottom of grain tank body 2, and 2 bottoms of grain tank body form protruding position corresponding to the V-arrangement recess of first transport screw feeder 5 on the bottom surface of grain tank body 2, and grain tank body underrun through a plurality of bedplate 4 installs in harvester frame 1, seted up on bedplate 4 with protruding position assorted breach, for example: a plurality of V-shaped protrusions 17 are formed on the bottom surface of the grain tank body 2 through the inclined surface of the inner cavity of the grain tank, V-shaped notches matched with the V-shaped protrusions 17 are arranged on the corresponding seat plate 4, and the V-shaped notches are matched with the outer bottom surface of the V-shaped grooves and can be well matched with the V-shaped protrusions 17 at the bottom of the grain tank body 2. Through above-mentioned structural design, realize the grain tank in the transportation, can with directly place on the transport vechicle, utilize its bedplate 4 as the holding surface, and do not need the protruding face of other frock utensil cooperation V-arrangement archs 17 to place, just with transport and long-distance transport. And need not to set up V-arrangement breach again in the frame, do not have the installation of mutually supporting between the dysmorphism, reduced the degree of difficulty of processing complex. When the grain tank is fixed with the rack through the seat plate, the grain tank can be directly assembled outside by one person, so that the assembling difficulty and labor intensity are reduced.

For convenience of maintenance, the bottom of the grain conveying cylinder 7 is provided with the mounting plate 20 with a maintenance hole, for example, the maintenance hole formed in the mounting plate 20 adopts an arc-shaped long waist hole, and the long waist hole is provided with the detachable cover and the sealing strip 21, as shown in fig. 4, when the whole machine is maintained after the operation season is over, broken grains in the grain conveying cylinder 7 can be removed through the long waist hole, so that the grain conveying cylinder is prevented from being blocked.

The grain conveying cylinder 7 can be driven in the following two modes: one way is that: as shown in figure 1, install the gear box in grain tank body lower part, the axle head and the second of gear box carry the screw feeder to be connected, the external connection has second sprocket 9 on the gear box, installs first sprocket 6 on the first transport screw feeder 5 axle head of 2 bottoms of grain tank, is connected the first sprocket 6 of connecting on first transport screw feeder 5 with the second sprocket 9 on the gear box through the chain, is equipped with hydraulic motor in the other axle head department of first transport screw feeder 5 in addition. When the hydraulic motor works, the first conveying auger 5 works, the first chain wheel 6 connected with the first conveying auger rotates, and the second chain wheel 9 on the gear box rotates along with the first conveying auger through chain transmission, so that the second conveying auger is driven to rotate through gear transmission in the gear box; the other mode is as follows: as shown in fig. 3, the lower portion of the grain conveying cylinder 7 is provided with an installation seat plate 22, the installation seat plate 22 is provided with a transmission shaft 25, the middle portion of the transmission shaft 25 is provided with a first bevel gear 23, the bottom shaft end of the second conveying auger is provided with a second bevel gear 24, the second bevel gear 24 is meshed with the first bevel gear 23 on the transmission shaft, the meshing position of the second bevel gear and the first bevel gear 23 is positioned in a semi-open groove on the installation seat plate 22, the groove is additionally provided with grease for lubrication, the other end of the transmission shaft 25 is connected with a third chain wheel 26, the shaft end of the first conveying auger 5 is provided with a first chain wheel 6, the first chain wheel 6 is connected with the third chain wheel 26 through a chain 27, the other shaft end of the first conveying auger 5 is provided with a hydraulic motor, when the hydraulic motor works, the first conveying auger 5 works, the first chain wheel 6 connected thereon rotates, and the third chain wheel 26 rotates along with the first conveying auger, thereby driving the second conveying auger to rotate through the transmission shaft 25, the first bevel gear 23 and the second bevel gear 24.

It should be noted that: the hydraulic motor can also realize power transmission by utilizing the power of the engine on the whole machine through a belt.

As mentioned above, the swivel device includes the first swivel joint 15 and the second swivel joint 11, the first swivel joint 15 and the second swivel joint 11 can be, for example, an L-shaped elbow, one end of the L-shaped elbow of the first swivel joint 15 is downwardly installed on the upper portion of the grain conveying cylinder 7, and the two can limit the axial movement and realize the mutual rotation through the buckle 10. The other end of the L-shaped elbow of the first rotating joint 15 is nested with one end of the second rotating joint 11, the L-shaped elbow of the first rotating joint and the second rotating joint limit axial movement through the buckle 10 and realize mutual rotation, and the other end of the L-shaped elbow of the second rotating joint 11 is connected with the grain unloading barrel 14. And end shafts of a third conveying auger arranged in the first rotating joint 15 and the second rotating joint 11 penetrate out of the bent part of the L-shaped bent pipe and are connected with a power mechanism.

The revolving mechanism is also provided with a driving component for driving the grain unloading cylinder 14 to swing up and down relative to the top surface of the grain box body, for example, a telescopic mechanism 12 is adopted. One end of the telescopic mechanism 12 is connected with a first rotating joint 15, and the other end is connected with the grain unloading barrel 14 through the support 13 on the outer wall of the grain unloading barrel 14. The telescopic mechanism 12 is any one of a hydraulic oil cylinder, an air cylinder or an electric push rod.

The rotating device is also provided with a driving assembly for driving the first rotating joint 15 to horizontally rotate, the driving assembly comprises a toothed ring 16 fixedly arranged on the first rotating joint 15, a transmission assembly and a power mechanism 19, and the power mechanism 19 can adopt a motor or a hydraulic motor. The power output by the power mechanism is transmitted to the gear ring 16 through the transmission assembly, so that the first rotary joint 15 rotates. For example, the following structure is adopted: as shown in fig. 2, the first rotary joint 15 is provided with a ring gear 16, a pinion 18 is engaged with the ring gear 16, the pinion 18 is mounted on a motor 19, and when the motor 19 rotates, the pinion 18 is driven to rotate, and the pinion 18 drives the ring gear 16 engaged therewith, thereby realizing the horizontal rotation of the first rotary joint 15. The drive is not exclusive and, for example, the electric machine 19 may be replaced by a hydraulic motor. Further, another embodiment may also be employed: the first rotary joint 15 is provided with a toothed ring 16, with which ring 16 a worm is engaged, the other end of which worm is provided with a gear wheel which cooperates with another gear wheel mounted on the motor. When the motor works, the worm rotates by using the combination of the gears, and the worm is meshed with the gear ring 16 on the first rotating joint 15 to realize the rotation of the first rotating joint 15.

This scheme still provides a harvester, and this harvester contains the above the diversified grain device of unloading, wherein, the bedplate that grain tank body bottom set up passes through connecting piece fixed mounting in the frame of harvester. The conveying direction of the first conveying auger 5 in the grain tank body is consistent with the length direction of the harvester body. The multi-azimuth grain unloading device is also suitable for being arranged on the unmanned harvester. The unmanned harvester without the cab is more beneficial to steering the grain unloading barrel. For example, the grain unloading cylinder is connected to the front top of the grain box body, and the steering is not influenced by the blockage of the cab on the grain unloading cylinder even if the overall height of the grain box is not increased. The unmanned harvester comprises a control module for controlling the operation of the harvester, and the motion tracks of a first rotary joint and a second rotary joint in the rotary device can be controlled by combining the control module with an intelligent control program when the unmanned harvester is in an unmanned state, so that the grain unloading operation of the grain unloading cylinder on the left side, the front side and the right side is realized.

When the grain tank of the harvester is filled with grains and the grains need to be unloaded, a driver controls the electric control switch and the control handle or can control the movement tracks of the first rotating joint and the second rotating joint through an intelligent control program when the harvester is not driven, so that the double grain unloading cylinder can unload grains on the left side, the front side, the right side or the rear side. . When the grain unloading barrel returns after the grain unloading is finished, the operation is opposite.

The following take the grain unloading cylinder to be connected to the front top of the grain tank body as an example, and the rotation direction of the double grain unloading cylinder is defined by taking the advancing direction of the harvester as a reference, as shown in fig. 5, the structure schematic diagram of the double grain unloading cylinder rotating to the left side for grain unloading is shown, and the flow is as follows:

the motion trail of the left grain unloading barrel is as follows: the left motor rotates and utilizes the pinion to be meshed with the gear ring on the left first rotating joint to drive the left first rotating joint to rotate clockwise, and then the left first rotating joint and the grain unloading barrel which are connected with the left motor are driven to rotate to the left grain unloading position. When the grain returns after being unloaded, the track is reversed.

The motion trail of the right grain unloading barrel is as follows: firstly, a hydraulic oil cylinder connected with a right grain unloading cylinder extends, and the right grain unloading cylinder and a second rotary joint thereof rotate around the joint of the right grain unloading cylinder and the first rotary joint to lift the grain unloading cylinder; then its pinion of right side motor drive rotates, and this pinion and the ring gear intermeshing on the first rotary joint in right side to drive this first rotary joint's clockwise rotation, thereby drive the second rotary joint that the first rotary joint in right side is connected, unload a grain section of thick bamboo and rotate thereupon and unload grain position department to the left side. When the grain returns after being unloaded, the track is reversed.

As shown in fig. 6, the schematic structural diagram of the double grain unloading cylinder turning to the front side for grain unloading has the following flow:

the motion trail of the left grain unloading barrel is as follows: the left motor drives the pinion gear to rotate, and the pinion gear is meshed with the gear ring on the left first rotating joint, so that the left first rotating joint is driven to rotate clockwise. And then the second rotary joint connected with the first rotary joint on the left side and the grain unloading cylinder are driven to rotate to the grain unloading position on the front side, and the rotation amplitude is about 180 degrees. When the grain returns after being unloaded, the track is reversed.

The motion trail of the right grain unloading barrel is as follows: the right motor rotates reversely to drive the pinion gear of the right motor, and the pinion gear is meshed with the gear ring on the right first rotating joint, so that the right first rotating joint is driven to rotate anticlockwise. And then the second rotary joint connected with the first rotary joint on the right side and the grain unloading cylinder are driven to rotate to the grain unloading position on the front side, and the rotation amplitude is about 180 degrees. When the grain returns after being unloaded, the track is reversed.

When grain is unloaded on the left side and grain is unloaded on the right side, the motion tracks of the first rotating joint and the second rotating joint can be realized by an intelligent control program or moved by an electric control switch and a control handle controller.

The right-side grain unloading process in the same way:

the motion trail of the left grain unloading barrel is as follows: the hydraulic oil cylinder connected with the left grain unloading barrel extends, and the second rotary joint on the left side and the grain unloading barrel rotate around the joint of the second rotary joint and the first rotary joint to lift the grain unloading barrel. When the grain unloading barrel is lifted to a certain height, the motor on the left side rotates reversely to drive the pinion to rotate. The pinion gear is meshed with a gear ring on the left first rotating joint, so that the first rotating joint is driven to rotate anticlockwise. And then the second rotary joint connected with the first rotary joint on the left side and the grain unloading barrel are driven to rotate to the grain unloading position on the right side. When the grain returns after being unloaded, the track is reversed.

The motion trail of the right grain unloading barrel is as follows: the right motor rotates reversely to drive the pinion gear of the right motor, and the pinion gear is meshed with the gear ring on the right first rotating joint, so that the right first rotating joint is driven to rotate anticlockwise. And then the second rotary joint connected with the first rotary joint on the right side and the grain unloading barrel are driven to rotate to the front right grain unloading position, and the rotation amplitude is about 90 degrees. When the grain returns after being unloaded, the track is reversed.

It should be noted that: the specific structure of two grain unloading barrels is described in the above embodiment, but the scheme is not limited to the above embodiment, 1, 3, 4 or more grain unloading barrels can be arranged according to actual requirements, the movement track of the grain unloading barrels is not limited to the above, and the description is omitted.

It should be noted that, although the present invention has been described with reference to the above embodiments, the present invention may have other embodiments. Various modifications and changes may be made by those skilled in the art without departing from the spirit and scope of the invention, and it is intended that all such modifications and changes fall within the scope of the appended claims and their equivalents.

Claims (10)

1. The utility model provides a diversified grain device that unloads which characterized in that: comprises a grain tank body, a first conveying screw conveyer, a transfer conveying mechanism, a swing mechanism and a grain unloading cylinder; the first conveying auger is arranged in the grain tank body, the conveying direction of the first conveying auger in the grain tank body is arranged along the front-back direction of a harvester body to be matched with the grain tank body, and the output end of the first conveying auger is communicated with the transfer conveying mechanism, the swing mechanism and the grain unloading cylinder in sequence; the grain unloading cylinder is rotatably installed at the top of the grain box body through a rotary mechanism and can horizontally rotate under the driving of the rotary mechanism.

2. The multi-azimuth grain unloading device of claim 1, characterized in that: the slewing mechanism comprises a first rotary joint and a second rotary joint which are mutually rotatably connected and can rotate relatively on a vertical surface; the first rotary joint is rotatably butted at the upper end of the transfer conveying mechanism and can horizontally rotate; the second rotary joint is connected with the grain unloading barrel.

3. The multi-azimuth grain unloading device of claim 2, characterized in that: the slewing mechanism further comprises a telescopic mechanism, wherein two ends of the telescopic mechanism are respectively fixedly connected with the first rotary joint and the grain unloading barrel and used for driving the second rotary joint to rotate relative to the first rotary joint along a vertical plane.

4. The multi-azimuth grain unloading device of claim 3, characterized in that: the transfer conveying mechanism comprises a grain conveying cylinder and a second conveying auger arranged inside the grain conveying cylinder, the grain conveying cylinder is connected between the output end of the first conveying auger and the first rotary joint, and the input end of the second conveying auger is connected with the output end of the first conveying auger.

5. The multi-azimuth grain unloading device of claim 4, characterized in that: the swing mechanism also comprises a third conveying screw conveyor; the third carries the screw feeder to follow first rotary joint is inside to extend to inside the second rotary joint, the input of third transport screw feeder with the output of second transport screw feeder links up mutually.

6. The multi-azimuth grain unloading device of claim 5, characterized in that: the bottom of the grain conveying cylinder is provided with a mounting plate with an access hole, and a detachable cover and a sealing element are mounted at the access hole.

7. The multi-azimuth grain unloading device according to any one of claims 1-6, characterized in that: also comprises a plurality of seat boards; the bottom of the grain tank body is provided with a V-shaped groove, and the first conveying auger is arranged on the inner bottom surface of the V-shaped groove; the seat plate is provided with a V-shaped notch matched with the outer bottom surface of the V-shaped groove and is loaded below the outer bottom surface of the V-shaped groove.

8. The multi-azimuth grain unloading device according to any one of claims 1-6, characterized in that: the front top or the rear top, the left top and the right top of the grain tank body form a settling platform; the rotary mechanisms and the grain unloading cylinders are provided with a left group and a right group which correspond to each other, the left group of rotary mechanisms and the right group of rotary mechanisms are rotatably installed on the front top or the rear top settling platform of the grain box body, and the left group of grain unloading cylinders and the right group of grain unloading cylinders can rotate through the corresponding rotary mechanisms and are accommodated on the left top settling platform and the right top settling platform which correspond to each other.

9. A harvester having a multi orientation grain discharge apparatus as claimed in any one of claims 1 to 8.

10. A harvester according to claim 9, wherein: the harvester is an unmanned harvester.

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