CN113575100A - Movable grain unloading opening mechanism of combine harvester, grain unloading device and harvester - Google Patents
Movable grain unloading opening mechanism of combine harvester, grain unloading device and harvester Download PDFInfo
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- CN113575100A CN113575100A CN202111055162.1A CN202111055162A CN113575100A CN 113575100 A CN113575100 A CN 113575100A CN 202111055162 A CN202111055162 A CN 202111055162A CN 113575100 A CN113575100 A CN 113575100A
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- grain unloading
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/1208—Tanks for grain or chaff
- A01D41/1217—Unloading mechanisms
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Abstract
The invention discloses a movable grain unloading opening mechanism of a combine harvester, a grain unloading device and the combine harvester, and belongs to the technical field of harvesters. The invention relates to a movable grain unloading port mechanism of a combine harvester, which is arranged at the tail end of a grain unloading horizontal auger assembly and comprises a radial rotating assembly and an axial swinging assembly; the radial rotating assembly can rotate around the axis of the grain unloading horizontal auger assembly, and the axial swinging assembly can swing along the axis direction of the grain unloading horizontal auger assembly. The invention relates to a movable (vector) grain discharging port mechanism, during grain discharging operation, a grain discharging port can be adjusted at will in 360 degrees on a horizontal projection plane, the grain discharging direction can be changed at will, grains can be uniformly discharged to each corner of a dragging box of a grain transporting vehicle, the grain discharging operation efficiency of a harvester is greatly improved, the operation cost of the harvester is saved, and the potential safety hazard during grain discharging is eliminated. The invention has simple principle, reasonable structural design and convenient popularization and use.
Description
Technical Field
The invention mainly relates to the technical field of harvesters, in particular to a movable grain unloading opening mechanism of a combine harvester, a grain unloading device and the combine harvester.
Background
The existing combine harvester unloads grains in a grain collecting box onto a dragging box of a grain transporting vehicle through a grain unloading horizontal auger on a high-position grain unloading device and a fixed grain outlet at the end part of the horizontal auger, the horizontal auger can rotate and lift up and down around the grain collecting box of the combine harvester, the grain outlet is relatively fixed with a horizontal auger shell, an opening is downward, and the grain outlet cannot move relative to the horizontal auger shell. Therefore, the existing grain unloading port structure limits the grain unloading direction.
The grain outlet mechanisms on the high-position grain unloading device of the existing domestic rice and wheat combine harvester are fixedly connected with the grain unloading horizontal auger shell, when grain unloading operation is carried out, the grain outlet can only rotate around the harvester along with the grain unloading horizontal auger, the grain outlet position is limited, when grains are unloaded onto a grain transporting vehicle dragging box through the grain outlet, all corners of the dragging box cannot be effectively filled, the dragging box has dead corners which are not full when grain is unloaded, and the grain transporting vehicle dragging box can be effectively filled only by continuously moving the position of the harvester or continuously moving the position of the grain transporting vehicle; and in the process of carrying out the sexual operation, the grain unloaded from the grain outlet is pushed to the dead angle of the dragging box of the grain transporting vehicle by a grain shovel on the dragging box of the grain transporting vehicle manually, so that the dragging box of the grain transporting vehicle is filled with the grain. Therefore, the grain unloading efficiency is influenced, the labor is wasted, and meanwhile, the potential safety hazard is also existed.
Chinese patent with application number CN201920105234.0 (application date is 2019, 8 and 28), which discloses a positioning system and a positioning method for a grain unloading port and a combine harvester, and the positioning system and the positioning method are used for automatically positioning the grain unloading port when the combine harvester unloads grains at a high position, and comprise a grain unloading system bearing a visual positioning system and the visual automatic positioning system; the RGB-D camera is used for collecting color images and depth images, the images are processed by the DSP image processor and then controlled by the field programmable gate array FPGA, and finally the actuating mechanism is driven, so that the grain unloading port can be automatically positioned to the middle position of a carriage of the grain car, and the grain unloading port can be positioned to a position with less grains under the condition that the grains exist in the carriage of the grain car. However, the movement of the whole grain unloading device needs to be adjusted to move the grain unloading opening, and the movement is inconvenient.
Chinese patent application No. CN201520032692.8 (application date is 2105, 1/19), discloses a switch for grain outlet of grain bin of harvester, which mainly comprises an interface, an operating handle, a self-locking cam, a bin door, an unlocking handle, a bag clamping component, a clamping plate and a torsion spring; the interface is arranged on a grain outlet of a grain bin of the harvester; the rotating shaft of the operating handle penetrates through the interface and is arranged in the middle of the interface; the self-locking cam is arranged on a rotating shaft of the operating handle outside the interface; the bin gate is arranged on a rotating shaft of an operating handle in the interface; the unlocking handle is arranged on the interface and is matched and connected with the self-locking cam; the bag clamping assembly is arranged on one side below the interface, and the clamping plate is arranged on the interface corresponding to the bag clamping assembly; a torsional spring is arranged at the joint of the rotating shaft of the operating handle and the interface. Similarly, the current patents are also focused on the overall design of the harvester, and even if the grain unloading opening is concerned, the problem of inconvenience is still solved only by controlling the switch.
The grain unloading port on the existing domestic rice and wheat combine harvester is fixedly connected with the auger shell, the grain unloading port and the auger shell cannot move relatively, and a related grain outlet structure similar to the vector grain unloading port is not found in China at present.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to overcome the defects in the prior art, and solves the problems that when the existing grain unloading port is used for unloading grains, the grain unloading port can only rotate around a harvester along with a horizontal grain discharging auger, the grains cannot quickly and effectively fill all corners of a trailer box, and if manual grain stirring is adopted, the efficiency is low and potential safety hazards exist.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a movable grain unloading port mechanism of a combine harvester, which is arranged at the tail end of a grain unloading horizontal auger assembly and comprises a radial rotating assembly and an axial swinging assembly;
one end of the radial rotating assembly is connected to the tail end of the grain unloading horizontal auger assembly, the radial rotating assembly is driven to rotate through the first power mechanism, and the radial rotating assembly can rotate around the axis of the grain unloading horizontal auger assembly;
the axial swinging assembly is connected to one end of the radial rotating assembly, which is far away from the grain unloading horizontal auger assembly, the axial swinging assembly is connected with the radial rotating assembly through a fixed frame, and the second power mechanism is connected between the radial rotating assembly and the axial swinging assembly through a first electric push rod seat and a second electric push rod seat to drive the axial swinging assembly to swing along the axial direction of the grain unloading horizontal auger assembly;
the radial rotating assembly and the axial swinging assembly are provided with inner cavities which are communicated with each other for grain to pass through.
The invention forms a movable (vector) grain unloading opening mechanism which can randomly change the grain discharging direction during grain unloading operation.
As a further improvement of the invention, the radial rotating assembly comprises a radial rotating assembly shell, one end of the radial rotating assembly shell is a circular opening, a flange plate is arranged on the circumference of the circular opening, the flange plate is connected with the grain unloading horizontal auger assembly through a rotating flange seat, and the flange plate can rotate in the rotating flange seat.
The grain unloading opening mechanism can freely rotate in a certain angle around the axis of the grain unloading horizontal auger assembly.
As a further improvement of the invention, the first power mechanism is a control motor assembly, a sector gear ring is arranged on the arc surface above the radial rotating assembly shell close to the grain unloading horizontal auger assembly, and the sector gear ring is meshed with a motor gear of the control motor assembly.
The arc length of the sector gear ring is related to the safe working area of the movable grain unloading opening mechanism, after the motor gear rotates to exceed a certain angle, the sector gear ring meshed with the motor gear moves to the edge, and then the sector gear ring cannot rotate (can only rotate reversely) any more, so that the problem that the rotation of the radial rotating assembly exceeds a certain limit to cause the interference of the structure or the grain is unloaded to the outer part of the grain conveying vehicle due to overlarge rotation is avoided.
As a further improvement of the invention, an electric push rod seat I is arranged below the radial rotating component close to the grain unloading horizontal auger component and is used for being connected with a second power mechanism.
As a further improvement of the invention, the axial swinging assembly comprises a fixed frame and a swinging assembly shell, the fixed frame is connected with a fixed interface arranged at one end of the radial rotating assembly far away from the grain unloading horizontal auger assembly, and the swinging assembly shell can swing around the fixed frame.
The grain unloading opening mechanism can swing along the axis direction of the grain unloading horizontal auger assembly.
As a further improvement of the invention, one side of the axial swinging component shell, which is close to the radial rotating component, is provided with a second electric push rod seat, and the second electric push rod seat is used for being connected with a second power mechanism.
As a further improvement of the invention, two sides of the fixed frame are respectively provided with a shaft pin, the outer end of the shaft pin is inserted into a bearing, the bearing is matched with a bearing seat fixedly arranged on the wall surface of the shell of the swinging component, and the bearing seat form a bearing and bearing seat component.
The axial swing assembly housing is rotatable about a pin.
As a further improvement of the invention, the second power mechanism is an electric push rod, the electric push rod comprises a telescopic push rod and an electric push rod cylinder seat, and the telescopic push rod can do reciprocating telescopic motion under the constraint of the electric push rod cylinder seat; the telescopic push rod is connected with the axial swing assembly, and the electric push rod cylinder body seat is connected with the radial rotating assembly.
The electric push rod is operated to stretch and retract, and the grain unloading opening mechanism is driven to randomly swing back and forth within a certain angle along the axis direction of the grain unloading horizontal auger assembly.
As a further improvement of the invention, the section of the shell of the swing assembly is of a rectangular structure; the shell wall surfaces of a group of opposite sides of the section of the shell of the swing component are respectively used for arranging a bearing and a bearing seat component, and the shell wall surface of the other group of opposite sides of the section of the shell of the swing component is at a distance from the fixed frame, and the distance limits the maximum swing amplitude of the swing component.
The rectangular section is selected for use because the manufacture and the installation are more convenient, and the point contact between the swing component shell with the circular section and the side surface of the fixed frame with the circular section when the swing component shell swings can be effectively prevented, so that the damage to the swing component shell or the fixed frame is prevented. The contact between the swing assembly shell with the rectangular section and the fixed frame with the rectangular section is still in line contact at the limit position, so that the damage caused by uneven stress and stress concentration is prevented, and the swing assembly shell can swing to a larger extent.
As a further improvement of the invention, the device also comprises an outlet which is connected below the swing assembly shell.
The outlet can be made of plastic materials, and the outlet component is fixedly connected to the swing assembly shell through bolts and the pressing plate so as to reduce grain impact damage, reduce noise, play a role in safety protection and the like.
The invention discloses a grain unloading device, which comprises a movable grain unloading opening mechanism of a combine harvester, a grain collecting box and an auger assembly, wherein the grain collecting box is arranged on the upper part of the combine harvester;
the grain collecting box is used for temporarily storing and collecting clean grains threshed and cleaned by the harvester;
the auger assembly comprises a vertical auger assembly and a grain unloading horizontal auger assembly; the lower extreme of perpendicular screw feeder subassembly links to each other with the horizontal screw feeder in the collection grain tank, and the upper end of perpendicular screw feeder subassembly links to each other with the one end of unloading grain horizontal screw feeder subassembly, unloads the one end that grain horizontal screw feeder subassembly kept away from perpendicular screw feeder subassembly and unloads grain mouthful mechanism with the activity and is connected.
The whole work flow from the grain collecting box to grain unloading is realized.
As a further improvement of the invention, the grain unloading horizontal auger assembly is connected with the radial rotating assembly through a section of fixed horizontal shell; a fixed flange seat is arranged at one end of the fixed horizontal shell, which is close to the grain unloading horizontal auger assembly, and the fixed flange seat is fixedly connected with a flange arranged at the outer end of the grain unloading horizontal auger assembly; a rotary flange seat is arranged at one end of the fixed horizontal shell, which is far away from the grain unloading horizontal auger assembly, and the rotary flange seat is rotationally connected with a flange plate at one end of the radial rotary assembly shell; a fixed horizontal auger shell is welded between the fixed flange seat and the rotating flange seat, a control motor seat is arranged above the fixed horizontal auger shell welded close to the rotating flange seat, and the control motor seat is used for installing a control motor; the control motor drives the motor gear to rotate, and the motor gear drives the sector gear ring arranged on the arc surface above the radial rotating component shell close to the grain unloading horizontal auger component.
The arc length of fan-shaped ring gear is relevant with the safe work area that the grain mouth mechanism was unloaded in the activity, and after motor gear rotatory surpassed certain angle, the edge was walked with motor gear's meshed fan-shaped ring gear's position, afterwards, fan-shaped ring gear will no longer continue to rotate (can only to the antiport) to avoid radial rotating assembly's rotation to surpass certain limit and cause the interference of structure or rotate too big grain and unload the outside of fortune grain car.
The invention relates to a harvester, which comprises a grain unloading device and a harvester body, wherein the grain unloading device comprises a grain unloading groove and a grain unloading groove;
the grain unloading device is arranged on the harvester body and unloads grains onto the grain carrying vehicle;
the harvesting process of the harvester body and the grain unloading process of the grain unloading device are sequentially carried out; or the harvesting process of the harvester body and the grain unloading process of the grain unloading device are synchronously carried out.
Is suitable for various working scenes.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) the movable grain unloading port mechanism of the combine harvester is arranged at the tail end of a grain unloading auger assembly and comprises a radial rotating assembly and an axial swinging assembly; the radial rotating assembly can rotate around the axis of the grain unloading horizontal auger assembly, and the axial swinging assembly can swing along the axis direction of the grain unloading horizontal auger assembly. The movable (vector) grain discharging port mechanism is formed, when grain discharging operation is carried out, the grain discharging port can be adjusted at will in the direction of 360 degrees on the horizontal projection plane, the grain discharging direction can be changed at will, grains can be uniformly discharged to all corners of the dragging box of the grain transporting vehicle, the dragging box of the grain transporting vehicle can be fully discharged without moving the harvester or the grain transporting vehicle or manually stirring the grains, even if the dragging box is long, only 1-2 harvesters or grain transporting vehicles need to be moved, the grain discharging operation efficiency of the harvester is greatly improved, the operation cost of the harvester is saved, and the potential safety hazard of grain discharging is eliminated. The invention has reasonable structural design, simple principle and convenient popularization and use.
(2) The movable grain unloading opening mechanism of the combine harvester is characterized in that a sector gear ring is arranged on an arc surface above a radial rotating assembly shell close to a grain unloading horizontal auger assembly, and the sector gear ring is meshed with a motor gear of a control motor assembly. The arc length of the sector gear ring is related to the safe working area of the movable grain unloading opening mechanism, after the motor gear rotates to exceed a certain angle, the sector gear ring meshed with the motor gear moves to the edge, and then the sector gear ring does not rotate continuously (can only rotate in the reverse direction), so that the phenomenon that the rotation of the radial rotating assembly exceeds a certain limit to cause the interference of the structure or the rotation of the radial rotating assembly is too large to cause grain to be unloaded to the outer part of the grain conveying vehicle is avoided.
(3) According to the movable grain unloading opening mechanism of the combine harvester, the electric push rod comprises a telescopic push rod and an electric push rod cylinder body seat, and the telescopic push rod can reciprocate under the constraint of the electric push rod cylinder body seat; the telescopic push rod is connected with the axial swing assembly, and the electric push rod cylinder body seat is connected with the radial rotating assembly. The electric push rod is operated to stretch and retract, and the grain unloading opening mechanism is driven to randomly swing back and forth within a certain angle along the axis direction of the grain unloading horizontal auger assembly.
(4) The movable grain unloading opening mechanism of the combine harvester has the advantages that the section of the shell of the axial swinging assembly is of a rectangular structure; the shell wall surface where a group of opposite sides of the section of the shell of the axial swinging component are respectively located is used for arranging a bearing and a bearing seat component, the shell wall surface where the other group of opposite sides of the section of the shell of the swinging component are located has a distance with the fixed frame, and the distance limits the maximum swinging amplitude of the axial swinging component. The rectangular cross section is selected for use because the preparation is more convenient with the installation to can effectively prevent the oscillating assembly casing of circular cross section and the point contact that takes place between the fixed frame side of circular cross section when the swing, and then prevent to cause the damage to axial oscillating assembly casing or fixed frame. The contact between the axial swinging component shell with the rectangular section and the fixed frame with the rectangular section is still in line contact at the limit position, so that the damage caused by uneven stress and stress concentration is prevented, and the axial swinging component shell can swing to a larger extent.
(5) The invention discloses a grain unloading device, which comprises a movable grain unloading opening mechanism of a combine harvester, a grain collecting box and an auger assembly, wherein the grain collecting box is arranged on the upper part of the combine harvester; the grain collecting box is used for temporarily storing and collecting clean grains threshed and cleaned by the harvester; the auger assembly comprises a vertical auger assembly and a grain unloading horizontal auger assembly; the lower extreme of perpendicular screw feeder subassembly links to each other with the horizontal screw feeder of collecting the grain incasement, and the upper end of perpendicular screw feeder subassembly links to each other with the one end of unloading grain horizontal screw feeder subassembly, unloads the one end that grain horizontal screw feeder subassembly kept away from perpendicular screw feeder subassembly and unloads grain mouthful mechanism with the activity and is connected. The whole work flow from the grain collecting box to grain unloading is realized. Because the movable grain unloading opening device is movably connected with the grain unloading horizontal auger shell, the grain unloading horizontal auger can independently make 360-degree direction change in the horizontal projection plane relative to the grain unloading horizontal auger. When unloading the grain operation, can change the grain outlet direction of unloading wantonly, can unload grain evenly to each corner that the grain transport car dragged the case, need not remove harvester or grain transport car, more need not artifically dial grain.
(6) The invention relates to a harvester, which comprises a grain unloading device and a harvester body, wherein the grain unloading device comprises a grain unloading groove and a grain unloading groove; the grain unloading device is arranged on the harvester body and unloads grains onto the grain carrying vehicle; the harvesting process of the harvester body and the grain unloading process of the grain unloading device can be synchronously carried out, and the grain transporting vehicle can be filled only by keeping a relatively fixed position with the harvester body in the advancing process, so that the working difficulty is greatly reduced, and the working efficiency is improved; or the harvesting process of the harvester body and the grain unloading process of the grain unloading device are sequentially carried out. Can adapt to various working scenes.
Drawings
FIG. 1 is a schematic view of a grain unloading device of the present invention;
FIG. 2a is a front view of the movable grain discharge outlet mechanism of the present invention;
FIG. 2b is a side view of the movable grain unloading outlet mechanism of the present invention;
FIG. 3a is a front view of the discharge horizontal auger housing of the present invention;
FIG. 3b is a side view of the discharge horizontal auger housing of the present invention;
FIG. 4a is a front view of the control motor assembly of the present invention;
FIG. 4b is a side view of the control motor assembly of the present invention;
FIG. 5 is a schematic view of the power putter of the present invention;
FIG. 6a is a front view of the radial rotating assembly of the present invention;
FIG. 6b is a side view of the radial rotating assembly of the present invention;
FIG. 7a is a side view of the axial wobble assembly of the present invention;
FIG. 7b is a front view of the axial wobble assembly of the present invention;
FIG. 8 is a schematic view of the swing of the movable grain discharge outlet mechanism of the present invention;
FIG. 9 is a schematic view of the radial rotation of the movable grain discharge outlet mechanism of the present invention;
fig. 10 is a schematic view of the unloading operation of the harvester of the invention.
The reference numerals in the schematic drawings illustrate:
100. a grain unloading device; 110. a grain collection box; 120. an auger assembly; 121. a vertical auger assembly; 122. a grain unloading horizontal auger assembly; 123. unloading the horizontal auger shell;
124. fixing a flange seat; 125. welding a fixed horizontal auger; 126. controlling a motor base; 127. rotating the flange seat;
200. a movable grain unloading opening mechanism;
210. controlling the motor assembly; 211. controlling the motor; 212. a motor gear;
220. an electric push rod; 221. a telescopic push rod; 222. an electric push rod cylinder body seat; 223. a second connecting portion; 224. a first connection portion;
230. a radial rotation assembly; 231. a radial rotating assembly housing; 232. a first electric push rod seat; 233. a sector-shaped gear ring; 234. a flange plate; 235. fixing the interface;
240. an axial swing assembly; 241. an axial swing assembly housing; 242. a second electric push rod seat; 243. a fixed frame; 244. a pin shaft; 245. a bearing and bearing block assembly;
250. an outlet;
300. a harvester body;
400. a transport vehicle.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the invention, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope covered by the technical content disclosed by the invention without affecting the effect and the achievable purpose of the invention. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
The present invention will be further described with reference to the following examples.
Example 1
Referring to fig. 1, the movable grain unloading opening mechanism of the combine harvester of the present embodiment is disposed at the end of the auger assembly 120, and specifically, the auger assembly 120 includes a vertical auger assembly 121 and a grain unloading horizontal auger assembly 122. The movable discharging port mechanism 200 comprises two parts, one part is a radial rotating assembly 230 which can rotate around the axis of the discharging horizontal auger assembly 122; the other part is an axial swinging component 240 which can swing along the axial direction of the grain unloading horizontal screw component 122.
Referring to fig. 6a and 6b, the radial rotation assembly 230 includes a radial rotation assembly housing 231, one end of the radial rotation assembly housing 231 is a circular opening, and a flange 234 is disposed around the circular opening, referring to fig. 3a and 3b, the flange 234 is connected to the grain unloading horizontal auger assembly 122 through the rotation flange seat 127, the flange 234 can rotate in the rotation flange seat 127, and therefore, the radial rotation assembly 230 can rotate around the axis of the grain unloading horizontal auger assembly 122. A sector-shaped gear ring 233 is arranged on the upper arc surface of the radial rotating assembly shell 231 close to the flange plate 234, please refer to fig. 2a, fig. 2b, fig. 4a and fig. 4b, the sector-shaped gear ring 233 is meshed with the motor gear 212 of the control motor assembly 210, and the motor gear 212 rotates, namely, the sector-shaped gear ring 233 drives the radial rotating assembly 230 to rotate around the axis of the grain unloading horizontal auger assembly 122. Referring to fig. 9, the radial rotation assembly 230 rotates about the axis of the discharge horizontal auger assembly 122. Preferably, the arc length of the sector-shaped gear ring 233 is related to the safe working area of the movable grain discharging port mechanism 200, when the motor gear 212 rotates beyond a certain angle, the sector-shaped gear ring 233 meshed with the motor gear 212 moves to the edge, and then the sector-shaped gear ring 233 will not rotate continuously (can only rotate in the reverse direction), so as to avoid the problem that the rotation of the radial rotating component 230 exceeds a certain limit to cause the interference of the structure or the grain is discharged to the outside of the grain transporting vehicle due to the overlarge rotation. The ring gear 233 thus has a limit-protection function in addition to the transmission function. A first electric push rod seat 232 is arranged below the radial rotating assembly shell 231 close to the flange plate 234, and the first electric push rod seat 232 is used for connecting the electric push rod 220. A fixed interface 235 is arranged at one end of the radial rotating assembly shell 231 far away from the flange plate 234 in the downward direction perpendicular to the axis of the grain unloading horizontal auger assembly 122, and the fixed interface 235 is used for connecting an axial swinging assembly 240.
Preferably, the first electric push rod seat 232 is welded to the radial rotating assembly housing 231.
Referring to fig. 7a and 7b, the axial swing assembly 240 includes a fixed frame 243 and an axial swing assembly housing 241, the fixed frame 243 is connected to the fixed interface 245, that is, the axial swing assembly 240 is connected to the radial rotation assembly 240. The axial swing assembly housing 241 is capable of swinging about the fixed frame 243. A second electric push rod seat 242 is arranged on one side of the axial swinging component shell 241 close to the radial rotating component 230, and the second electric push rod seat 242 is used for connecting the electric push rod 220.
Preferably, the second electric push rod seat 242 is welded to the axial swing assembly housing 241.
Preferably, a shaft pin 244 is disposed on each side of the fixed frame 243, an outer end of the shaft pin 244 is inserted into a bearing, the bearing is engaged with a bearing seat fixedly disposed on a wall surface of the axial swinging component casing 241, the bearing and the bearing seat form a bearing and bearing seat assembly 245, and the axial swinging component casing 241 can rotate around the shaft pin 244.
Preferably, the shaft pins 244 are welded to both sides of the fixing frame 243.
Referring to fig. 5, the electric push rod 220 includes a telescopic push rod 221 and an electric push rod cylinder base 222, and the telescopic push rod 221 can reciprocate under the constraint of the electric push rod cylinder base 222. A second connecting portion 223 is provided at an outer end portion of the telescopic rod 221, and a first connecting portion 224 is provided at an outer end portion of the electric rod cylinder block 222. The first connecting portion 224 is connected to the first electric push rod seat 232, and the second connecting portion 223 is connected to the second electric push rod seat 242. Preferably, the first connecting portion 224 is connected with the first electric push rod seat 232 through a pin shaft, and the first connecting portion 224 can rotate in the first electric push rod seat 232; the second connecting portion 223 is connected with the second electric push rod base 242 through a pin shaft, and the second connecting portion 223 can rotate in the second electric push rod base 242. Referring to fig. 8, when the telescopic rod 221 is extended, the axial swing assembly 240 swings outwards, and when the telescopic rod 221 is retracted, the axial swing assembly 240 swings inwards.
Preferably, the outlet 250 is connected below the axial swing assembly housing 241.
Preferably, the outlet 250 is made of plastic material, and the outlet 250 member is fixedly connected to the axial swing assembly casing 241 by bolts and a pressing plate, so as to reduce the impact damage of the grains, reduce the noise, and play a role in safety protection.
Preferably, the fixing frame 243 is provided as an integral structure with the fixing interface 235.
Preferably, the cross-section of the fixing frame 243 is a rectangular structure, which facilitates installation of the pins 244 disposed opposite to each other.
Preferably, the axial swing assembly housing 241 has a rectangular cross-section. Preferably, a set of opposite sides of the cross section of the axial swing assembly casing 241 are respectively located on the casing wall surface for providing the bearing and bearing seat assembly 245, and the other set of opposite sides of the cross section of the axial swing assembly casing 241 are located on the casing wall surface farther away from the fixed frame 243, and the distance between the two will limit the maximum swing amplitude of the axial swing assembly 240. The rectangular cross section is preferable because the manufacturing and installation are more convenient, and the point contact between the circular cross section axial swing component casing 241 and the circular cross section fixing frame 243 side surface during the swing can be effectively prevented, thereby preventing the damage to the axial swing component casing 241 or the fixing frame 243. The contact between the rectangular-section axial swinging component shell 241 and the rectangular-section fixed frame 243 is still in line contact at the limit position, so that the damage caused by uneven stress and stress concentration is prevented, and the axial swinging component shell 241 can swing to a larger extent.
The basic principle of the present embodiment is to use two mutually perpendicular rotating shafts (the "ten" shafts) as a link mechanism to achieve the purpose of vector variation of the orientation of the outlet 250 through linkage. The spherical surface linking mechanism can be used for replacing the connecting mechanism of the vertical crossed shaft; but also can be realized by adopting a soft connection structure, etc.
In addition, for the above-mentioned driving mechanism, there are some alternatives, such as using dual motors, dual push rods, etc.; or with a single power by means of a corresponding linkage.
Example 2
Referring to fig. 1, the grain unloading device of the present embodiment includes the movable grain unloading opening mechanism of the combine harvester of embodiment 1, and further includes a grain collecting tank 110 and an auger assembly 120.
The grain collecting box 110 is used for temporarily storing and collecting clean grains threshed and cleaned by the harvester; auger assembly 110 includes a vertical auger assembly 121 and a discharge horizontal auger assembly 122. The lower extreme of vertical screw feeder subassembly 121 links to each other with the horizontal screw feeder in the collection grain case 110, and the upper end of vertical screw feeder subassembly 121 links to each other with the one end of unloading horizontal screw feeder subassembly 122, and the one end that unloads horizontal screw feeder subassembly 122 and keep away from vertical screw feeder subassembly 121 is connected with activity discharge opening mechanism 200. In the working process, the grain passes through the vertical auger assembly 121, the grain unloading horizontal auger assembly 122 and the movable grain unloading opening mechanism 200 in sequence.
Referring to fig. 2a and 2b, the grain unloading horizontal auger assembly 122 is externally provided with a grain unloading horizontal auger housing 123, and the grain unloading horizontal auger housing 123 is connected with the radial rotating assembly 230. A control motor assembly 210 is arranged above one end of the grain unloading horizontal auger shell 123 close to the radial rotating assembly 230, and the control motor assembly 210 controls the radial rotating assembly 230 to rotate around the axis of the grain unloading horizontal auger assembly 122.
Referring to fig. 3a and 3b, the discharge horizontal auger assembly 122 is connected to the radial rotation assembly 230 by a section of stationary horizontal housing. The fixed horizontal shell is provided with a fixed flange seat 124 near one end of the unloading horizontal auger assembly 122, and the fixed flange seat forms fixed connection with a flange arranged at the outer end of the unloading horizontal auger assembly 122. One end of the fixed horizontal shell, which is far away from the grain unloading horizontal auger assembly 122, is provided with a rotating flange seat 127, and the rotating flange seat 127 is rotationally connected with a flange plate 234. A fixed horizontal auger welding joint 125 is arranged between the fixed flange seat 124 and the rotating flange seat 127, a control motor seat 126 is arranged above the fixed horizontal auger welding joint 125 close to the rotating flange seat 127, and the control motor seat 126 is used for installing a control motor 211.
Referring to fig. 4a and 4b, the control motor assembly 210 includes a control motor 211 and a motor gear 212, the control motor 211 drives the motor gear 212 to rotate, and the motor gear 212 drives the sector-shaped gear ring 233.
Example 3
The harvester of the present embodiment includes the grain unloading device of embodiment 2, and further includes a harvester body 300.
Referring to fig. 10, the harvester body 300 may be an existing combine harvester, and the general operation process of the combine harvester is cutting → conveying → threshing → cleaning → grain collecting → grain unloading. After the harvester body 300 finishes the processes of cutting, conveying, threshing and cleaning, the grains are stored in the grain collecting tank 110 of the grain unloading device 100 arranged on the harvester body 300, and then the grains are unloaded onto the transport vehicle 400 through the auger assembly 120 and the movable grain unloading opening mechanism 200.
Because the auger assembly 120, the vertical auger assembly 121 and the unloading horizontal auger assembly 122 in the unloading device 100 of the embodiment are movably connected, the unloading horizontal auger assembly 122 can independently make 360-degree direction change relative to the auger assembly 120 in a horizontal projection plane. When unloading the grain operation, can change the export 250 orientation of putting out the grain wantonly, can unload grain evenly to each corner that the grain cart 400 dragged the case, need not remove harvester body 300 or grain cart 400, more need not artifically dial the grain, just can fully unload the grain cart 400 drag case, even the drag case is very long, also only need remove 1 ~ 2 times harvester body 300 or grain cart 400 and just go, improved the harvester widely and unloaded the grain operating efficiency, practiced thrift the harvester operating cost, also eliminated and unloaded the grain potential safety hazard.
It should be noted that the harvesting process and the grain unloading process can be performed synchronously or sequentially, and the implementation of the embodiment is not affected.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (13)
1. The utility model provides a grain mouth mechanism is unloaded in combine activity, installs in the end of unloading grain horizontal screw feeder subassembly, its characterized in that: the device comprises a radial rotating component and an axial swinging component;
one end of the radial rotating assembly is connected to the tail end of the grain unloading horizontal auger assembly, the grain unloading horizontal auger assembly drives the radial rotating assembly to rotate through a first power mechanism, and the radial rotating assembly can rotate around the axis of the grain unloading horizontal auger assembly;
the axial swinging assembly is connected to one end, far away from the grain unloading horizontal auger assembly, of the radial rotating assembly, the axial swinging assembly is connected with the radial rotating assembly through a second power mechanism, and the second power mechanism can drive the axial swinging assembly to swing along the axis direction of the grain unloading horizontal auger assembly;
the radial rotating assembly and the axial swinging assembly are provided with inner cavities which are communicated with each other for grains to pass through.
2. The combine harvester movable grain unloading opening mechanism as claimed in claim 1, characterized in that: the radial rotating assembly comprises a radial rotating assembly shell, one end of the radial rotating assembly shell is a circular opening, a flange plate is arranged in the circumferential direction of the circular opening, the flange plate is connected with the grain unloading horizontal auger assembly through a rotating flange seat, and the flange plate can rotate in the rotating flange seat.
3. The combine harvester movable grain unloading opening mechanism as claimed in claim 1, characterized in that: the first power mechanism is a control motor assembly, a sector gear ring is arranged on an arc surface above the radial rotating assembly shell and close to the grain unloading horizontal auger assembly, and the sector gear ring is meshed with a motor gear of the control motor assembly.
4. The combine harvester movable grain unloading opening mechanism as claimed in claim 1, characterized in that: an electric push rod seat I is arranged below the radial rotating assembly and close to the grain unloading horizontal auger assembly, and the electric push rod seat I is used for being connected with a second power mechanism.
5. The combine harvester movable grain unloading opening mechanism as claimed in claim 1, characterized in that: the axial swing assembly comprises a fixed frame and a swing assembly shell, the fixed frame is fixedly connected with a port of the radial rotating assembly, which is far away from the grain unloading horizontal auger assembly, and the swing assembly shell can swing around the fixed frame.
6. The combine harvester movable grain unloading opening mechanism as claimed in claim 5, characterized in that: and one side of the swing assembly shell, which is close to the radial rotating assembly, is provided with an electric push rod seat II, and the electric push rod seat II is used for being connected with a second power mechanism.
7. The combine harvester movable grain unloading opening mechanism as claimed in claim 5, characterized in that: and two sides of the fixed frame are respectively provided with a shaft pin, the outer end of the shaft pin is inserted into a bearing, the bearing is matched with a bearing seat fixedly arranged on the wall surface of the shell of the swinging assembly, and the bearing seat form a bearing and bearing seat assembly.
8. The combine harvester movable grain unloading opening mechanism as claimed in claim 1, characterized in that: the second power mechanism is an electric push rod, the electric push rod comprises a telescopic push rod and an electric push rod cylinder body seat, and the telescopic push rod can do reciprocating telescopic motion under the constraint of the electric push rod cylinder body seat; the telescopic push rod is connected with the swinging assembly, and the electric push rod cylinder body seat is connected with the radial rotating assembly.
9. The combine harvester movable grain unloading opening mechanism as claimed in claim 7, characterized in that: the section of the swing assembly shell is of a rectangular structure; the wall surface of the shell where a group of opposite sides of the section of the shell of the swing assembly are respectively located is used for arranging the bearing and the bearing seat assembly, and the wall surface of the shell where the other group of opposite sides of the section of the shell of the swing assembly are located has a distance with the fixed frame, and the distance limits the maximum swing amplitude of the swing assembly.
10. The combine harvester movable grain unloading opening mechanism as claimed in claim 7, characterized in that: still include the export, the export is connected swing assembly casing below.
11. A grain unloading device comprising a movable grain unloading opening mechanism of the combine harvester of any one of the claims 1 to 10, which is characterized in that: the device also comprises a grain collecting tank and an auger assembly;
the grain collecting box is used for temporarily storing and collecting clean grains threshed and cleaned by the harvester;
the auger assembly comprises a vertical auger assembly and a grain unloading horizontal auger assembly; the lower extreme of perpendicular screw feeder subassembly with horizontal screw feeder links to each other in the collection grain tank, the upper end of perpendicular screw feeder subassembly with the one end of unloading grain horizontal screw feeder subassembly links to each other, it keeps away from to unload grain horizontal screw feeder subassembly the one end of perpendicular screw feeder subassembly is connected with the activity grain mouth mechanism of unloading.
12. The grain unloading device of claim 10, characterized in that: the grain unloading horizontal auger assembly is connected with the radial rotating assembly through a section of fixed horizontal auger shell; a fixed flange seat is arranged at one end of the fixed horizontal auger shell, which is close to the grain unloading horizontal auger assembly, and the fixed flange seat is fixedly connected with a flange arranged at the outer end of the grain unloading horizontal auger assembly; a rotary flange seat is arranged at one end of the fixed horizontal auger shell, which is far away from the grain unloading horizontal auger assembly, and the rotary flange seat is rotationally connected with a flange plate at one end of the radial rotary assembly shell; a fixed horizontal auger shell is welded between the fixed flange seat and the rotating flange seat, a control motor seat is arranged above the fixed horizontal auger shell welded close to the rotating flange seat, and the control motor seat is used for installing a control motor; the control motor drives the motor gear to rotate, and the motor gear drives the sector gear ring arranged on the arc surface above the radial rotating component shell and close to the grain unloading horizontal auger component.
13. A harvester comprising the grain unloading apparatus of claim 11 or 12, characterized in that: the harvester also comprises a harvester body;
the grain unloading device is arranged on the harvester body and unloads grains onto the grain carrying vehicle;
the harvesting process of the harvester body and the grain unloading process of the grain unloading device are sequentially carried out; or the harvesting process of the harvester body and the grain unloading process of the grain unloading device are synchronously carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111055162.1A CN113575100A (en) | 2021-09-09 | 2021-09-09 | Movable grain unloading opening mechanism of combine harvester, grain unloading device and harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111055162.1A CN113575100A (en) | 2021-09-09 | 2021-09-09 | Movable grain unloading opening mechanism of combine harvester, grain unloading device and harvester |
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| CN113575100A true CN113575100A (en) | 2021-11-02 |
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| CN202111055162.1A Pending CN113575100A (en) | 2021-09-09 | 2021-09-09 | Movable grain unloading opening mechanism of combine harvester, grain unloading device and harvester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116513018A (en) * | 2023-06-29 | 2023-08-01 | 黑龙江省红亮农业科技有限公司 | Multifunctional liquid-driven tillage and soil preparation transfer machine |
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2021
- 2021-09-09 CN CN202111055162.1A patent/CN113575100A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116513018A (en) * | 2023-06-29 | 2023-08-01 | 黑龙江省红亮农业科技有限公司 | Multifunctional liquid-driven tillage and soil preparation transfer machine |
| CN116513018B (en) * | 2023-06-29 | 2023-09-12 | 黑龙江省红亮农业科技有限公司 | Multifunctional liquid-driven tillage and soil preparation transfer machine |
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